sdl-ios-xcode: src/video/ps3/spulibs/bilin

annotate src/video/ps3/spulibs/bilin_scaler.c @ 3683:4c5ab6841fdc

From: Jjgod Jiang Date: Mon, 18 Jan 2010 17:46:35 +0800 Subject: [PATCH] Polish text input handling for Mac OS X - Prevent crash caused by uninitialized video data - Prevent beeping caused by unhandled Cocoa selectors (like moveUp: moveDown:, etc.)

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 19 Jan 2010 07:28:51 +0000
parents	94fb40a4a9a7
children

rev	line source
3257 94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 * SDL - Simple DirectMedia Layer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 * CELL BE Support for PS3 Framebuffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4 * Copyright (C) 2008, 2009 International Business Machines Corporation
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 * This library is free software; you can redistribute it and/or modify it
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 * under the terms of the GNU Lesser General Public License as published
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 * by the Free Software Foundation; either version 2.1 of the License, or
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9 * (at your option) any later version.
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 * This library is distributed in the hope that it will be useful, but
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 * WITHOUT ANY WARRANTY; without even the implied warranty of
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14 * Lesser General Public License for more details.
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 * You should have received a copy of the GNU Lesser General Public
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 * License along with this library; if not, write to the Free Software
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 * USA
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 * SPE code based on research by:
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 * Rene Becker
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 * Thimo Emmerich
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "spu_common.h"
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include <spu_intrinsics.h>
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include <spu_mfcio.h>
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 // Debugging
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 //#define DEBUG
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #ifdef DEBUG
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #define deprintf(fmt, args... ) \
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 fprintf( stdout, fmt, ##args ); \
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 fflush( stdout );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #else
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 #define deprintf( fmt, args... )
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #endif
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 struct scale_parms_t parms __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 /* A maximum of 8 lines Y, therefore 4 lines V, 4 lines U are stored
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 * there might be the need to retrieve misaligned data, adjust
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 * incoming v and u plane to be able to handle this (add 128)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 unsigned char y_plane[2][(MAX_HDTV_WIDTH+128)*4] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 unsigned char v_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 unsigned char u_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 /* temp-buffer for scaling: 4 lines Y, therefore 2 lines V, 2 lines U */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 unsigned char scaled_y_plane[2][MAX_HDTV_WIDTH*2] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 unsigned char scaled_v_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 unsigned char scaled_u_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 /* some vectors needed by the float to int conversion */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 static const vector float vec_255 = { 255.0f, 255.0f, 255.0f, 255.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 static const vector float vec_0_1 = { 0.1f, 0.1f, 0.1f, 0.1f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 void bilinear_scale_line_w8(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 void bilinear_scale_line_w16(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 void scale_srcw16_dstw16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 void scale_srcw16_dstw32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 void scale_srcw32_dstw16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 void scale_srcw32_dstw32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 int main( unsigned long long spe_id __attribute__((unused)), unsigned long long argp )
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 deprintf("[SPU] bilin_scaler_spu is up... (on SPE #%llu)\n", spe_id);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 /* DMA transfer for the input parameters */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 spu_mfcdma32(&parms, (unsigned int)argp, sizeof(struct scale_parms_t), TAG_INIT, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 DMA_WAIT_TAG(TAG_INIT);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 deprintf("[SPU] Scale %ux%u to %ux%u\n", parms.src_pixel_width, parms.src_pixel_height,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 parms.dst_pixel_width, parms.dst_pixel_height);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 if(parms.src_pixel_width & 0x1f) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 if(parms.dst_pixel_width & 0x1F) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 deprintf("[SPU] Using scale_srcw16_dstw16\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 scale_srcw16_dstw16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 } else {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 deprintf("[SPU] Using scale_srcw16_dstw32\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 scale_srcw16_dstw32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 } else {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 if(parms.dst_pixel_width & 0x1F) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 deprintf("[SPU] Using scale_srcw32_dstw16\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 scale_srcw32_dstw16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 } else {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 deprintf("[SPU] Using scale_srcw32_dstw32\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 scale_srcw32_dstw32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 deprintf("[SPU] bilin_scaler_spu... done!\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 return 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 * vfloat_to_vuint()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 * converts a float vector to an unsinged int vector using saturated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 * arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 * @param vec_s float vector for conversion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 * @returns converted unsigned int vector
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 inline static vector unsigned int vfloat_to_vuint(vector float vec_s) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 vector unsigned int select_1 = spu_cmpgt(vec_0_1, vec_s);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 vec_s = spu_sel(vec_s, vec_0_1, select_1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 vector unsigned int select_2 = spu_cmpgt(vec_s, vec_255);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 vec_s = spu_sel(vec_s, vec_255, select_2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 return spu_convtu(vec_s,0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 * scale_srcw16_dstw16()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 * processes an input image of width 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 * scaling is done to a width 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 void scale_srcw16_dstw16() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 // for handling misalignment, addresses are precalculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 unsigned char* precalc_src_addr_v = src_addr_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 unsigned char* precalc_src_addr_u = src_addr_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 unsigned int next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 vector float vf_next_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 vector float vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 float curr_src_vu = 0.0f, next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 unsigned int dst_y=0, dst_vu=0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 // offset for the v and u plane to handle misalignement
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 unsigned int curr_lsoff_v = 0, next_lsoff_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 unsigned int curr_lsoff_u = 0, next_lsoff_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 // calculate lower line indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 // lower line weight
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 /* iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 * within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 * the scaled output is 2 lines y, 1 line v, 1 line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 * the yuv2rgb-converted output is stored to RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 // calculate next indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 next_src_vu = ((float)dst_vu+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 next_src_y_upper = ((float)dst_y+2)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 next_src_y_lower = ((float)dst_y+3)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 next_interpl_y_upper = (unsigned int) next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 // calculate weight NORTH-SOUTH
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 // get next lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 src_dbl_linestride_vu+(next_lsoff_v<<1),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 src_dbl_linestride_vu+(next_lsoff_v<<1),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 curr_lsoff_v = next_lsoff_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 curr_lsoff_u = next_lsoff_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 * scale_srcw16_dstw32()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 * processes an input image of width 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 * scaling is done to a width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 * yuv2rgb conversion on a width of 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 void scale_srcw16_dstw32() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 // for handling misalignment, addresses are precalculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 unsigned char* precalc_src_addr_v = src_addr_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 unsigned char* precalc_src_addr_u = src_addr_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 unsigned int next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 vector float vf_next_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 vector float vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 float curr_src_vu = 0.0f, next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 unsigned int dst_y=0, dst_vu=0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 // offset for the v and u plane to handle misalignement
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 unsigned int curr_lsoff_v = 0, next_lsoff_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 unsigned int curr_lsoff_u = 0, next_lsoff_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 // calculate lower line idices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 // lower line weight
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 // iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 // the scaled output is 2 lines y, 1 line v, 1 line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 // the yuv2rgb-converted output is stored to RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 // calculate next indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 next_src_vu = ((float)dst_vu+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 next_src_y_upper = ((float)dst_y+2)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 next_src_y_lower = ((float)dst_y+3)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 next_interpl_y_upper = (unsigned int) next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 // calculate weight NORTH-SOUTH
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 // get next lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 src_dbl_linestride_vu+(next_lsoff_v<<1),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 src_dbl_linestride_vu+(next_lsoff_v<<1),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 curr_lsoff_v = next_lsoff_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 curr_lsoff_u = next_lsoff_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 * scale_srcw32_dstw16()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 * processes an input image of width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 * scaling is done to a width 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 * yuv2rgb conversion on a width of 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 void scale_srcw32_dstw16() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788 unsigned int next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 vector float vf_next_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 vector float vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 float curr_src_vu = 0.0f, next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 unsigned int dst_y=0, dst_vu=0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 // calculate lower line idices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 // lower line weight
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 // iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 // the scaled output is 2 lines y, 1 line v, 1 line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 // the yuv2rgb-converted output is stored to RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 // calculate next indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 next_src_vu = ((float)dst_vu+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832 next_src_y_upper = ((float)dst_y+2)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 next_src_y_lower = ((float)dst_y+3)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 next_interpl_y_upper = (unsigned int) next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 // calculate weight NORTH-SOUTH
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844 // get next lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862 (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	863 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	865 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	866 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	867 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868 (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	872
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	873 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	881 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	882 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	895 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	900 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	903 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	904
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	905 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	909 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	918 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	919
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	921 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	922 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	924 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	925
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	926 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	935 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	941
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	946 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	947 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	948 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	950
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	954
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	955 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	957 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	958 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	959 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	960 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	961 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	964 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	965 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	966 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	967 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	969 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	970 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	971 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	972 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	973 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	974 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	975 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	976 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	978 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	979 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	980 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	983 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	987 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	988
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	990 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	991 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	993 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	994
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	995 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	996 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	997 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	998 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	999 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1001 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1002 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1003 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1004 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1005 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1006
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1007 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1008 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1009 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1010 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1011 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1012
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1013 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1014 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1015 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1016 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1017
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1018
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 /**
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1020 * scale_srcw32_dstw32()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1022 * processes an input image of width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023 * scaling is done to a width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1024 * yuv2rgb conversion on a width of 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1025 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1026 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1027 void scale_srcw32_dstw32() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1028 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1029 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1030
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1031 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1032 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1033 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1034 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1035
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1036 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1037 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1038 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1039 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1040 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1041
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1042 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1043 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1046 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1047 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1048 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1049
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1050 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1051
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1052 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1053 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1054 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1055
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1056 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1057 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1059 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1060
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1061 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1062 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1063 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1064
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1065 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1066 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1067 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1068 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1069 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1070
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1071 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1072 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1073 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1074 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1075 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1076 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1077 unsigned int next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1078
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1079 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1080 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1081 vector float vf_next_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1082 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1083 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1084 vector float vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1085
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1086 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1087 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1088 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1089 float curr_src_vu = 0.0f, next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1090
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1091 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1092 unsigned int dst_y=0, dst_vu=0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1093
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1094 // calculate lower line idices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1095 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1096 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1097 // lower line weight
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1098 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1099
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1100
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1101 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1102 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1103 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1104 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1105 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1106 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1107 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1108 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1109 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1110 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1111
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1112 // iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1113 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1114 // the scaled output is 2 lines y, 1 line v, 1 line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1115 // the yuv2rgb-converted output is stored to RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1116 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1117 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1118
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1119 // calculate next indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1120 next_src_vu = ((float)dst_vu+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1121 next_src_y_upper = ((float)dst_y+2)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1122 next_src_y_lower = ((float)dst_y+3)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1123
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1124 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1125 next_interpl_y_upper = (unsigned int) next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1126 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1127
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1128 // calculate weight NORTH-SOUTH
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1129 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1130 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1131 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1132
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1133 // get next lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1134 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1135 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1136
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1137 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1138 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1139 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1140 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1141 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1142 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1143 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1144 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1145 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1146 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1147 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1149 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1150 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1151 (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1153 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1154 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1155 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1156 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1157 (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1158 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1159 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1160 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1161
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1162 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1163
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1164 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1165 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1166 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1167 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1168 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1169 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1170 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1171 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1172 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1173 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1174 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1175 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1176 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1177 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1178 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1179 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1180 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1181 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1182 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1183 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1184 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1185 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1186 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1187 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1188 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1189 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1190 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1191 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1192 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1193
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1194
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1195
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1196 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1197 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1198 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1199
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1200 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1201 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1202 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1205
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1206 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1207 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1208 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1209 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1210 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1211
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1212 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1213 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1214 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1215 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1216 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1217
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1218 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1219 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1220 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1221 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1222 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1223 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1224
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1225
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1226 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1227 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1228 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1229
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1230 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1231 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1232 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1233
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1234 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1235 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1236 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1237
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1238 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1239 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1240 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1241 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1242
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1243
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1244
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1245 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1246
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1247 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1248 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1249 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1250 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1251 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1252 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1253 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1254 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1255 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1256 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1257 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1258 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1259 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1260 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1261 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1262 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1263 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1264 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1265 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1266 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1267 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1268 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1269 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1270 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1271 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1272 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1273 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1274 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1275 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1276
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1277
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1278 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1279 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1280 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1281
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1282 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1283 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1284 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1285 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1286 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1287
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1288 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1289 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1290 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1291 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1292 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1293
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1294 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1295 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1296 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1298 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1299
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1300 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1301 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1302 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1303 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1304 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1305
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1306 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1307 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1308 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1309 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1310
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1311
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1312 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1313 * bilinear_scale_line_w8()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1314 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1315 * processes a line of yuv-input, width has to be a multiple of 8
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1316 * scaled yuv-output is written to local store buffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1317 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1318 * @param src buffer for 2 lines input
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1319 * @param dst_ buffer for 1 line output
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1320 * @param dst_width the width of the destination line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1321 * @param vf_x_scale a float vector, at each entry is the x_scale-factor
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1322 * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1323 * @param src_linestride the stride of the srcline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1324 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1325 void bilinear_scale_line_w8( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1326
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1327 unsigned char* dst = dst_;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1328
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1329 unsigned int dst_x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1330 for( dst_x=0; dst_x<dst_width; dst_x+=8) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1331 // address calculation for loading the 4 surrounding pixel of each calculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1332 // destination pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1333 vector unsigned int vui_dst_x_tmp = spu_splats( dst_x );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1334 // lower range->first 4 pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1335 // upper range->next 4 pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1336 vector unsigned int vui_inc_dst_x_lower_range = { 0, 1, 2, 3 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1337 vector unsigned int vui_inc_dst_x_upper_range = { 4, 5, 6, 7 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1338 vector unsigned int vui_dst_x_lower_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1339 vector unsigned int vui_dst_x_upper_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1340
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1341 // calculate weight EAST-WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1342 vector float vf_dst_x_lower_range = spu_convtf( vui_dst_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1343 vector float vf_dst_x_upper_range = spu_convtf( vui_dst_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1344 vector float vf_src_x_lower_range = spu_mul( vf_dst_x_lower_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1345 vector float vf_src_x_upper_range = spu_mul( vf_dst_x_upper_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1346 vector unsigned int vui_interpl_x_lower_range = spu_convtu( vf_src_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1347 vector unsigned int vui_interpl_x_upper_range = spu_convtu( vf_src_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348 vector float vf_interpl_x_lower_range = spu_convtf( vui_interpl_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1349 vector float vf_interpl_x_upper_range = spu_convtf( vui_interpl_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1350 vector float vf_EWweight_lower_range = spu_sub( vf_src_x_lower_range, vf_interpl_x_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1351 vector float vf_EWweight_upper_range = spu_sub( vf_src_x_upper_range, vf_interpl_x_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1352
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1353 // calculate address offset
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1355 // pixel NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356 vector unsigned int vui_off_pixelNW_lower_range = vui_interpl_x_lower_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1357 vector unsigned int vui_off_pixelNW_upper_range = vui_interpl_x_upper_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1358
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1359 // pixel NORTH EAST-->(offpixelNW+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1360 vector unsigned int vui_add_1 = { 1, 1, 1, 1 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1361 vector unsigned int vui_off_pixelNE_lower_range = spu_add( vui_off_pixelNW_lower_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1362 vector unsigned int vui_off_pixelNE_upper_range = spu_add( vui_off_pixelNW_upper_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1363
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1364 // SOUTH-WEST-->(offpixelNW+src_linestride)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1365 vector unsigned int vui_srclinestride = spu_splats( src_linestride );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1366 vector unsigned int vui_off_pixelSW_lower_range = spu_add( vui_srclinestride, vui_off_pixelNW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1367 vector unsigned int vui_off_pixelSW_upper_range = spu_add( vui_srclinestride, vui_off_pixelNW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1369 // SOUTH-EAST-->(offpixelNW+src_linestride+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1370 vector unsigned int vui_off_pixelSE_lower_range = spu_add( vui_srclinestride, vui_off_pixelNE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1371 vector unsigned int vui_off_pixelSE_upper_range = spu_add( vui_srclinestride, vui_off_pixelNE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1372
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1373 // calculate each address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1374 vector unsigned int vui_src_ls = spu_splats( (unsigned int) src );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1375 vector unsigned int vui_addr_pixelNW_lower_range = spu_add( vui_src_ls, vui_off_pixelNW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1376 vector unsigned int vui_addr_pixelNW_upper_range = spu_add( vui_src_ls, vui_off_pixelNW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1377 vector unsigned int vui_addr_pixelNE_lower_range = spu_add( vui_src_ls, vui_off_pixelNE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1378 vector unsigned int vui_addr_pixelNE_upper_range = spu_add( vui_src_ls, vui_off_pixelNE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1379
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1380 vector unsigned int vui_addr_pixelSW_lower_range = spu_add( vui_src_ls, vui_off_pixelSW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1381 vector unsigned int vui_addr_pixelSW_upper_range = spu_add( vui_src_ls, vui_off_pixelSW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1382 vector unsigned int vui_addr_pixelSE_lower_range = spu_add( vui_src_ls, vui_off_pixelSE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1383 vector unsigned int vui_addr_pixelSE_upper_range = spu_add( vui_src_ls, vui_off_pixelSE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1384
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1385 // get each pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1387 // scalar load, afterwards insertion into the right position
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1388 // NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1389 vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1390 vector unsigned char vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1391 ((unsigned char) spu_extract( vui_addr_pixelNW_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1392 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1393 ((unsigned char) spu_extract( vui_addr_pixelNW_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1394 vuc_pixel_NW_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1395 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1396 ((unsigned char) spu_extract( vui_addr_pixelNW_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1397 vuc_pixel_NW_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1398 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1399 ((unsigned char) spu_extract( vui_addr_pixelNW_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1400 vuc_pixel_NW_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1401
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1402 vector unsigned char vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1403 ((unsigned char) spu_extract( vui_addr_pixelNW_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1404 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1405 ((unsigned char) spu_extract( vui_addr_pixelNW_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1406 vuc_pixel_NW_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1407 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1408 ((unsigned char) spu_extract( vui_addr_pixelNW_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1409 vuc_pixel_NW_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1410 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1411 ((unsigned char) spu_extract( vui_addr_pixelNW_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1412 vuc_pixel_NW_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1413
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1414 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1415 vector unsigned char vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1416 ((unsigned char) spu_extract( vui_addr_pixelNE_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1417 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1418 ((unsigned char) spu_extract( vui_addr_pixelNE_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1419 vuc_pixel_NE_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1420 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1421 ((unsigned char) spu_extract( vui_addr_pixelNE_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1422 vuc_pixel_NE_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1423 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1424 ((unsigned char) spu_extract( vui_addr_pixelNE_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1425 vuc_pixel_NE_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1426
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1427 vector unsigned char vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1428 ((unsigned char) spu_extract( vui_addr_pixelNE_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1429 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1430 ((unsigned char) spu_extract( vui_addr_pixelNE_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1431 vuc_pixel_NE_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1432 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1433 ((unsigned char) spu_extract( vui_addr_pixelNE_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1434 vuc_pixel_NE_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1435 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1436 ((unsigned char) spu_extract( vui_addr_pixelNE_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1437 vuc_pixel_NE_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1438
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1439
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1440 // SOUTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1441 vector unsigned char vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1442 ((unsigned char) spu_extract( vui_addr_pixelSW_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1443 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1444 ((unsigned char) spu_extract( vui_addr_pixelSW_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1445 vuc_pixel_SW_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1446 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1447 ((unsigned char) spu_extract( vui_addr_pixelSW_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1448 vuc_pixel_SW_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1449 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1450 ((unsigned char) spu_extract( vui_addr_pixelSW_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1451 vuc_pixel_SW_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1452
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1453 vector unsigned char vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1454 ((unsigned char) spu_extract( vui_addr_pixelSW_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1455 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1456 ((unsigned char) spu_extract( vui_addr_pixelSW_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1457 vuc_pixel_SW_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1458 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1459 ((unsigned char) spu_extract( vui_addr_pixelSW_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1460 vuc_pixel_SW_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1461 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1462 ((unsigned char) spu_extract( vui_addr_pixelSW_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1463 vuc_pixel_SW_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1464
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1465 // SOUTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1466 vector unsigned char vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1467 ((unsigned char) spu_extract( vui_addr_pixelSE_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1468 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1469 ((unsigned char) spu_extract( vui_addr_pixelSE_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1470 vuc_pixel_SE_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1471 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1472 ((unsigned char) spu_extract( vui_addr_pixelSE_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1473 vuc_pixel_SE_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1474 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1475 ((unsigned char) spu_extract( vui_addr_pixelSE_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1476 vuc_pixel_SE_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1477
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1478 vector unsigned char vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1479 ((unsigned char) spu_extract( vui_addr_pixelSE_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1480 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1481 ((unsigned char) spu_extract( vui_addr_pixelSE_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1482 vuc_pixel_SE_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1483 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1484 ((unsigned char) spu_extract( vui_addr_pixelSE_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1485 vuc_pixel_SE_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1486 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1487 ((unsigned char) spu_extract( vui_addr_pixelSE_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1488 vuc_pixel_SE_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1489
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1490
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1491 // convert to float
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1492 vector float vf_pixel_NW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1493 vector float vf_pixel_NW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1494
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1495 vector float vf_pixel_SW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1496 vector float vf_pixel_SW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1497
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1498 vector float vf_pixel_NE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1499 vector float vf_pixel_NE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1500
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1501 vector float vf_pixel_SE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1502 vector float vf_pixel_SE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1503
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1504
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1505
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1506 // first linear interpolation: EWtop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1507 // EWtop = NW + EWweight*(NE-NW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1508 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1509 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1510 vector float vf_EWtop_lower_range_tmp = spu_sub( vf_pixel_NE_lower_range, vf_pixel_NW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1511 vector float vf_EWtop_lower_range = spu_madd( vf_EWweight_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1512 vf_EWtop_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1513 vf_pixel_NW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1514
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1515 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1516 vector float vf_EWtop_upper_range_tmp = spu_sub( vf_pixel_NE_upper_range, vf_pixel_NW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1517 vector float vf_EWtop_upper_range = spu_madd( vf_EWweight_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1518 vf_EWtop_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1519 vf_pixel_NW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1520
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1521
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1522
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1523 // second linear interpolation: EWbottom
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1524 // EWbottom = SW + EWweight*(SE-SW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1525 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1526 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1527 vector float vf_EWbottom_lower_range_tmp = spu_sub( vf_pixel_SE_lower_range, vf_pixel_SW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1528 vector float vf_EWbottom_lower_range = spu_madd( vf_EWweight_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1529 vf_EWbottom_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1530 vf_pixel_SW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1531
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1532 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1533 vector float vf_EWbottom_upper_range_tmp = spu_sub( vf_pixel_SE_upper_range, vf_pixel_SW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1534 vector float vf_EWbottom_upper_range = spu_madd( vf_EWweight_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1535 vf_EWbottom_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1536 vf_pixel_SW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1537
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1538
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1539
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1540 // third linear interpolation: the bilinear interpolated value
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1541 // result = EWtop + NSweight*(EWbottom-EWtop);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1542 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1543 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1544 vector float vf_result_lower_range_tmp = spu_sub( vf_EWbottom_lower_range, vf_EWtop_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1545 vector float vf_result_lower_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1546 vf_result_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1547 vf_EWtop_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1548
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1549 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1550 vector float vf_result_upper_range_tmp = spu_sub( vf_EWbottom_upper_range, vf_EWtop_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1551 vector float vf_result_upper_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1552 vf_result_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1553 vf_EWtop_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1554
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1555
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1556 // convert back: using saturated arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1557 vector unsigned int vui_result_lower_range = vfloat_to_vuint( vf_result_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1558 vector unsigned int vui_result_upper_range = vfloat_to_vuint( vf_result_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1559
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1560 // merge results->lower,upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1561 vector unsigned char vuc_mask_merge_result = { 0x03, 0x07, 0x0B, 0x0F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1562 0x13, 0x17, 0x1B, 0x1F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1563 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1564 0x00, 0x00, 0x00, 0x00 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1565
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1566 vector unsigned char vuc_result = spu_shuffle( (vector unsigned char) vui_result_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1567 (vector unsigned char) vui_result_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1568 vuc_mask_merge_result );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1569
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1570 // partial storing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1571 vector unsigned char vuc_mask_out = { 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1572 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1573 0xFF, 0xFF, 0xFF, 0xFF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1574 0xFF, 0xFF, 0xFF, 0xFF };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1575
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1576
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1577 // get currently stored data
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1578 vector unsigned char vuc_orig = ((vector unsigned char)dst);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1579
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1580 // clear currently stored data
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1581 vuc_orig = spu_and( vuc_orig,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1582 spu_rlqwbyte( vuc_mask_out, ((unsigned int)dst)&0x0F) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1583
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1584 // rotate result according to storing address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1585 vuc_result = spu_rlqwbyte( vuc_result, ((unsigned int)dst)&0x0F );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1586
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1587 // store result
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1588 ((vector unsigned char)dst) = spu_or( vuc_result,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1589 vuc_orig );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1590 dst += 8;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1591 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1592 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1593
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1594
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1595 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1596 * bilinear_scale_line_w16()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1597 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1598 * processes a line of yuv-input, width has to be a multiple of 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1599 * scaled yuv-output is written to local store buffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1600 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1601 * @param src buffer for 2 lines input
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1602 * @param dst_ buffer for 1 line output
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1603 * @param dst_width the width of the destination line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1604 * @param vf_x_scale a float vector, at each entry is the x_scale-factor
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1605 * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1606 * @param src_linestride the stride of the srcline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1607 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1608 void bilinear_scale_line_w16( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1609
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1610 unsigned char* dst = dst_;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1611
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1612 unsigned int dst_x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1613 for( dst_x=0; dst_x<dst_width; dst_x+=16) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1614 // address calculation for loading the 4 surrounding pixel of each calculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1615 // destination pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1616 vector unsigned int vui_dst_x_tmp = spu_splats( dst_x );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1617 // parallelised processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1618 // first range->pixel 1 2 3 4
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1619 // second range->pixel 5 6 7 8
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1620 // third range->pixel 9 10 11 12
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1621 // fourth range->pixel 13 14 15 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1622 vector unsigned int vui_inc_dst_x_first_range = { 0, 1, 2, 3 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1623 vector unsigned int vui_inc_dst_x_second_range = { 4, 5, 6, 7 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1624 vector unsigned int vui_inc_dst_x_third_range = { 8, 9, 10, 11 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1625 vector unsigned int vui_inc_dst_x_fourth_range = { 12, 13, 14, 15 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1626 vector unsigned int vui_dst_x_first_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1627 vector unsigned int vui_dst_x_second_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1628 vector unsigned int vui_dst_x_third_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1629 vector unsigned int vui_dst_x_fourth_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1630
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1631 // calculate weight EAST-WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1632 vector float vf_dst_x_first_range = spu_convtf( vui_dst_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1633 vector float vf_dst_x_second_range = spu_convtf( vui_dst_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1634 vector float vf_dst_x_third_range = spu_convtf( vui_dst_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1635 vector float vf_dst_x_fourth_range = spu_convtf( vui_dst_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1636 vector float vf_src_x_first_range = spu_mul( vf_dst_x_first_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1637 vector float vf_src_x_second_range = spu_mul( vf_dst_x_second_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1638 vector float vf_src_x_third_range = spu_mul( vf_dst_x_third_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1639 vector float vf_src_x_fourth_range = spu_mul( vf_dst_x_fourth_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1640 vector unsigned int vui_interpl_x_first_range = spu_convtu( vf_src_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1641 vector unsigned int vui_interpl_x_second_range = spu_convtu( vf_src_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1642 vector unsigned int vui_interpl_x_third_range = spu_convtu( vf_src_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1643 vector unsigned int vui_interpl_x_fourth_range = spu_convtu( vf_src_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1644 vector float vf_interpl_x_first_range = spu_convtf( vui_interpl_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1645 vector float vf_interpl_x_second_range = spu_convtf( vui_interpl_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1646 vector float vf_interpl_x_third_range = spu_convtf( vui_interpl_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1647 vector float vf_interpl_x_fourth_range = spu_convtf( vui_interpl_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1648 vector float vf_EWweight_first_range = spu_sub( vf_src_x_first_range, vf_interpl_x_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1649 vector float vf_EWweight_second_range = spu_sub( vf_src_x_second_range, vf_interpl_x_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1650 vector float vf_EWweight_third_range = spu_sub( vf_src_x_third_range, vf_interpl_x_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1651 vector float vf_EWweight_fourth_range = spu_sub( vf_src_x_fourth_range, vf_interpl_x_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1652
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1653 // calculate address offset
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1654 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1655 // pixel NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1656 vector unsigned int vui_off_pixelNW_first_range = vui_interpl_x_first_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1657 vector unsigned int vui_off_pixelNW_second_range = vui_interpl_x_second_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1658 vector unsigned int vui_off_pixelNW_third_range = vui_interpl_x_third_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1659 vector unsigned int vui_off_pixelNW_fourth_range = vui_interpl_x_fourth_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1660
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1661 // pixel NORTH EAST-->(offpixelNW+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1662 vector unsigned int vui_add_1 = { 1, 1, 1, 1 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1663 vector unsigned int vui_off_pixelNE_first_range = spu_add( vui_off_pixelNW_first_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1664 vector unsigned int vui_off_pixelNE_second_range = spu_add( vui_off_pixelNW_second_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1665 vector unsigned int vui_off_pixelNE_third_range = spu_add( vui_off_pixelNW_third_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1666 vector unsigned int vui_off_pixelNE_fourth_range = spu_add( vui_off_pixelNW_fourth_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1667
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1668 // SOUTH-WEST-->(offpixelNW+src_linestride)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1669 vector unsigned int vui_srclinestride = spu_splats( src_linestride );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1670 vector unsigned int vui_off_pixelSW_first_range = spu_add( vui_srclinestride, vui_off_pixelNW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1671 vector unsigned int vui_off_pixelSW_second_range = spu_add( vui_srclinestride, vui_off_pixelNW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1672 vector unsigned int vui_off_pixelSW_third_range = spu_add( vui_srclinestride, vui_off_pixelNW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1673 vector unsigned int vui_off_pixelSW_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1674
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1675 // SOUTH-EAST-->(offpixelNW+src_linestride+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1676 vector unsigned int vui_off_pixelSE_first_range = spu_add( vui_srclinestride, vui_off_pixelNE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1677 vector unsigned int vui_off_pixelSE_second_range = spu_add( vui_srclinestride, vui_off_pixelNE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1678 vector unsigned int vui_off_pixelSE_third_range = spu_add( vui_srclinestride, vui_off_pixelNE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1679 vector unsigned int vui_off_pixelSE_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1680
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1681 // calculate each address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1682 vector unsigned int vui_src_ls = spu_splats( (unsigned int) src );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1683 vector unsigned int vui_addr_pixelNW_first_range = spu_add( vui_src_ls, vui_off_pixelNW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1684 vector unsigned int vui_addr_pixelNW_second_range = spu_add( vui_src_ls, vui_off_pixelNW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1685 vector unsigned int vui_addr_pixelNW_third_range = spu_add( vui_src_ls, vui_off_pixelNW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1686 vector unsigned int vui_addr_pixelNW_fourth_range = spu_add( vui_src_ls, vui_off_pixelNW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1687
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1688 vector unsigned int vui_addr_pixelNE_first_range = spu_add( vui_src_ls, vui_off_pixelNE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1689 vector unsigned int vui_addr_pixelNE_second_range = spu_add( vui_src_ls, vui_off_pixelNE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1690 vector unsigned int vui_addr_pixelNE_third_range = spu_add( vui_src_ls, vui_off_pixelNE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1691 vector unsigned int vui_addr_pixelNE_fourth_range = spu_add( vui_src_ls, vui_off_pixelNE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1692
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1693 vector unsigned int vui_addr_pixelSW_first_range = spu_add( vui_src_ls, vui_off_pixelSW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1694 vector unsigned int vui_addr_pixelSW_second_range = spu_add( vui_src_ls, vui_off_pixelSW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1695 vector unsigned int vui_addr_pixelSW_third_range = spu_add( vui_src_ls, vui_off_pixelSW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1696 vector unsigned int vui_addr_pixelSW_fourth_range = spu_add( vui_src_ls, vui_off_pixelSW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1697
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1698 vector unsigned int vui_addr_pixelSE_first_range = spu_add( vui_src_ls, vui_off_pixelSE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1699 vector unsigned int vui_addr_pixelSE_second_range = spu_add( vui_src_ls, vui_off_pixelSE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1700 vector unsigned int vui_addr_pixelSE_third_range = spu_add( vui_src_ls, vui_off_pixelSE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1701 vector unsigned int vui_addr_pixelSE_fourth_range = spu_add( vui_src_ls, vui_off_pixelSE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1702
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1703
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1704 // get each pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1705 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1706 // scalar load, afterwards insertion into the right position
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1707 // NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1708 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1709 vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1710 vector unsigned char vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1711 ((unsigned char) spu_extract( vui_addr_pixelNW_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1712 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1713 ((unsigned char) spu_extract( vui_addr_pixelNW_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1714 vuc_pixel_NW_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1715 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1716 ((unsigned char) spu_extract( vui_addr_pixelNW_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1717 vuc_pixel_NW_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1718 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1719 ((unsigned char) spu_extract( vui_addr_pixelNW_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1720 vuc_pixel_NW_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1721 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1722 vector unsigned char vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1723 ((unsigned char) spu_extract( vui_addr_pixelNW_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1724 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1725 ((unsigned char) spu_extract( vui_addr_pixelNW_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1726 vuc_pixel_NW_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1727 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1728 ((unsigned char) spu_extract( vui_addr_pixelNW_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1729 vuc_pixel_NW_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1730 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1731 ((unsigned char) spu_extract( vui_addr_pixelNW_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1732 vuc_pixel_NW_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1733 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1734 vector unsigned char vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1735 ((unsigned char) spu_extract( vui_addr_pixelNW_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1736 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1737 ((unsigned char) spu_extract( vui_addr_pixelNW_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1738 vuc_pixel_NW_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1739 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1740 ((unsigned char) spu_extract( vui_addr_pixelNW_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1741 vuc_pixel_NW_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1742 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1743 ((unsigned char) spu_extract( vui_addr_pixelNW_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1744 vuc_pixel_NW_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1745 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1746 vector unsigned char vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1747 ((unsigned char) spu_extract( vui_addr_pixelNW_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1748 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1749 ((unsigned char) spu_extract( vui_addr_pixelNW_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1750 vuc_pixel_NW_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1751 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1752 ((unsigned char) spu_extract( vui_addr_pixelNW_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1753 vuc_pixel_NW_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1754 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1755 ((unsigned char) spu_extract( vui_addr_pixelNW_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1756 vuc_pixel_NW_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1757
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1758 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1759 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1760 vector unsigned char vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1761 ((unsigned char) spu_extract( vui_addr_pixelNE_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1762 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1763 ((unsigned char) spu_extract( vui_addr_pixelNE_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1764 vuc_pixel_NE_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1765 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1766 ((unsigned char) spu_extract( vui_addr_pixelNE_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1767 vuc_pixel_NE_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1768 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1769 ((unsigned char) spu_extract( vui_addr_pixelNE_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1770 vuc_pixel_NE_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1771 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1772 vector unsigned char vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1773 ((unsigned char) spu_extract( vui_addr_pixelNE_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1774 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1775 ((unsigned char) spu_extract( vui_addr_pixelNE_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1776 vuc_pixel_NE_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1777 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1778 ((unsigned char) spu_extract( vui_addr_pixelNE_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1779 vuc_pixel_NE_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1780 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1781 ((unsigned char) spu_extract( vui_addr_pixelNE_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1782 vuc_pixel_NE_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1783 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1784 vector unsigned char vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1785 ((unsigned char) spu_extract( vui_addr_pixelNE_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1786 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1787 ((unsigned char) spu_extract( vui_addr_pixelNE_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1788 vuc_pixel_NE_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1789 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1790 ((unsigned char) spu_extract( vui_addr_pixelNE_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1791 vuc_pixel_NE_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1792 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1793 ((unsigned char) spu_extract( vui_addr_pixelNE_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1794 vuc_pixel_NE_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1795 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1796 vector unsigned char vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1797 ((unsigned char) spu_extract( vui_addr_pixelNE_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1798 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1799 ((unsigned char) spu_extract( vui_addr_pixelNE_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1800 vuc_pixel_NE_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1801 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1802 ((unsigned char) spu_extract( vui_addr_pixelNE_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1803 vuc_pixel_NE_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1804 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1805 ((unsigned char) spu_extract( vui_addr_pixelNE_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1806 vuc_pixel_NE_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1807
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1808 // SOUTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1809 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1810 vector unsigned char vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1811 ((unsigned char) spu_extract( vui_addr_pixelSW_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1812 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1813 ((unsigned char) spu_extract( vui_addr_pixelSW_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1814 vuc_pixel_SW_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1815 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1816 ((unsigned char) spu_extract( vui_addr_pixelSW_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1817 vuc_pixel_SW_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1818 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1819 ((unsigned char) spu_extract( vui_addr_pixelSW_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1820 vuc_pixel_SW_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1821 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1822 vector unsigned char vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1823 ((unsigned char) spu_extract( vui_addr_pixelSW_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1824 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1825 ((unsigned char) spu_extract( vui_addr_pixelSW_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1826 vuc_pixel_SW_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1827 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1828 ((unsigned char) spu_extract( vui_addr_pixelSW_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1829 vuc_pixel_SW_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1830 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1831 ((unsigned char) spu_extract( vui_addr_pixelSW_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1832 vuc_pixel_SW_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1833 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1834 vector unsigned char vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1835 ((unsigned char) spu_extract( vui_addr_pixelSW_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1836 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1837 ((unsigned char) spu_extract( vui_addr_pixelSW_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1838 vuc_pixel_SW_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1839 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1840 ((unsigned char) spu_extract( vui_addr_pixelSW_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1841 vuc_pixel_SW_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1842 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1843 ((unsigned char) spu_extract( vui_addr_pixelSW_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1844 vuc_pixel_SW_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1845 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1846 vector unsigned char vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1847 ((unsigned char) spu_extract( vui_addr_pixelSW_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1848 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1849 ((unsigned char) spu_extract( vui_addr_pixelSW_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1850 vuc_pixel_SW_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1851 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1852 ((unsigned char) spu_extract( vui_addr_pixelSW_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1853 vuc_pixel_SW_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1854 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1855 ((unsigned char) spu_extract( vui_addr_pixelSW_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1856 vuc_pixel_SW_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1857
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1858 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1859 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1860 vector unsigned char vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1861 ((unsigned char) spu_extract( vui_addr_pixelSE_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1862 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1863 ((unsigned char) spu_extract( vui_addr_pixelSE_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1864 vuc_pixel_SE_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1865 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1866 ((unsigned char) spu_extract( vui_addr_pixelSE_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1867 vuc_pixel_SE_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1868 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1869 ((unsigned char) spu_extract( vui_addr_pixelSE_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1870 vuc_pixel_SE_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1871 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1872 vector unsigned char vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1873 ((unsigned char) spu_extract( vui_addr_pixelSE_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1874 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1875 ((unsigned char) spu_extract( vui_addr_pixelSE_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1876 vuc_pixel_SE_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1877 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1878 ((unsigned char) spu_extract( vui_addr_pixelSE_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1879 vuc_pixel_SE_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1880 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1881 ((unsigned char) spu_extract( vui_addr_pixelSE_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1882 vuc_pixel_SE_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1883 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1884 vector unsigned char vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1885 ((unsigned char) spu_extract( vui_addr_pixelSE_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1886 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1887 ((unsigned char) spu_extract( vui_addr_pixelSE_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1888 vuc_pixel_SE_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1889 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1890 ((unsigned char) spu_extract( vui_addr_pixelSE_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1891 vuc_pixel_SE_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1892 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1893 ((unsigned char) spu_extract( vui_addr_pixelSE_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1894 vuc_pixel_SE_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1895 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1896 vector unsigned char vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1897 ((unsigned char) spu_extract( vui_addr_pixelSE_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1898 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1899 ((unsigned char) spu_extract( vui_addr_pixelSE_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1900 vuc_pixel_SE_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1901 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1902 ((unsigned char) spu_extract( vui_addr_pixelSE_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1903 vuc_pixel_SE_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1904 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1905 ((unsigned char) spu_extract( vui_addr_pixelSE_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1906 vuc_pixel_SE_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1907
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1908
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1909
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1910 // convert to float
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1911 vector float vf_pixel_NW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1912 vector float vf_pixel_NW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1913 vector float vf_pixel_NW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1914 vector float vf_pixel_NW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1915
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1916 vector float vf_pixel_NE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1917 vector float vf_pixel_NE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1918 vector float vf_pixel_NE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1919 vector float vf_pixel_NE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1920
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1921 vector float vf_pixel_SW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1922 vector float vf_pixel_SW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1923 vector float vf_pixel_SW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1924 vector float vf_pixel_SW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1925
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1926 vector float vf_pixel_SE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1927 vector float vf_pixel_SE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1928 vector float vf_pixel_SE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1929 vector float vf_pixel_SE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1930
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1931 // first linear interpolation: EWtop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1932 // EWtop = NW + EWweight*(NE-NW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1933 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1934 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1935 vector float vf_EWtop_first_range_tmp = spu_sub( vf_pixel_NE_first_range, vf_pixel_NW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1936 vector float vf_EWtop_first_range = spu_madd( vf_EWweight_first_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1937 vf_EWtop_first_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1938 vf_pixel_NW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1939
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1940 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1941 vector float vf_EWtop_second_range_tmp = spu_sub( vf_pixel_NE_second_range, vf_pixel_NW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1942 vector float vf_EWtop_second_range = spu_madd( vf_EWweight_second_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1943 vf_EWtop_second_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1944 vf_pixel_NW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1945
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1946 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1947 vector float vf_EWtop_third_range_tmp = spu_sub( vf_pixel_NE_third_range, vf_pixel_NW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1948 vector float vf_EWtop_third_range = spu_madd( vf_EWweight_third_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1949 vf_EWtop_third_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1950 vf_pixel_NW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1951
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1952 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1953 vector float vf_EWtop_fourth_range_tmp = spu_sub( vf_pixel_NE_fourth_range, vf_pixel_NW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1954 vector float vf_EWtop_fourth_range = spu_madd( vf_EWweight_fourth_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1955 vf_EWtop_fourth_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1956 vf_pixel_NW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1957
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1958
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1959
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1960 // second linear interpolation: EWbottom
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1961 // EWbottom = SW + EWweight*(SE-SW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1962 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1963 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1964 vector float vf_EWbottom_first_range_tmp = spu_sub( vf_pixel_SE_first_range, vf_pixel_SW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1965 vector float vf_EWbottom_first_range = spu_madd( vf_EWweight_first_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1966 vf_EWbottom_first_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1967 vf_pixel_SW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1968
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1969 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1970 vector float vf_EWbottom_second_range_tmp = spu_sub( vf_pixel_SE_second_range, vf_pixel_SW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1971 vector float vf_EWbottom_second_range = spu_madd( vf_EWweight_second_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1972 vf_EWbottom_second_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1973 vf_pixel_SW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1974 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1975 vector float vf_EWbottom_third_range_tmp = spu_sub( vf_pixel_SE_third_range, vf_pixel_SW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1976 vector float vf_EWbottom_third_range = spu_madd( vf_EWweight_third_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1977 vf_EWbottom_third_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1978 vf_pixel_SW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1979
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1980 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1981 vector float vf_EWbottom_fourth_range_tmp = spu_sub( vf_pixel_SE_fourth_range, vf_pixel_SW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1982 vector float vf_EWbottom_fourth_range = spu_madd( vf_EWweight_fourth_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1983 vf_EWbottom_fourth_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1984 vf_pixel_SW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1985
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1986
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1987
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1988 // third linear interpolation: the bilinear interpolated value
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1989 // result = EWtop + NSweight*(EWbottom-EWtop);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1990 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1991 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1992 vector float vf_result_first_range_tmp = spu_sub( vf_EWbottom_first_range, vf_EWtop_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1993 vector float vf_result_first_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1994 vf_result_first_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1995 vf_EWtop_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1996
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1997 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1998 vector float vf_result_second_range_tmp = spu_sub( vf_EWbottom_second_range, vf_EWtop_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1999 vector float vf_result_second_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2000 vf_result_second_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2001 vf_EWtop_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2002
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2003 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2004 vector float vf_result_third_range_tmp = spu_sub( vf_EWbottom_third_range, vf_EWtop_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2005 vector float vf_result_third_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2006 vf_result_third_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2007 vf_EWtop_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2008
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2009 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2010 vector float vf_result_fourth_range_tmp = spu_sub( vf_EWbottom_fourth_range, vf_EWtop_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2011 vector float vf_result_fourth_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2012 vf_result_fourth_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2013 vf_EWtop_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2014
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2015
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2016
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2017 // convert back: using saturated arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2018 vector unsigned int vui_result_first_range = vfloat_to_vuint( vf_result_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2019 vector unsigned int vui_result_second_range = vfloat_to_vuint( vf_result_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2020 vector unsigned int vui_result_third_range = vfloat_to_vuint( vf_result_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2021 vector unsigned int vui_result_fourth_range = vfloat_to_vuint( vf_result_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2022
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2023 // merge results->lower,upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2024 vector unsigned char vuc_mask_merge_result_first_second = { 0x03, 0x07, 0x0B, 0x0F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2025 0x13, 0x17, 0x1B, 0x1F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2026 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2027 0x00, 0x00, 0x00, 0x00 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2028
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2029 vector unsigned char vuc_mask_merge_result_third_fourth = { 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2030 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2031 0x03, 0x07, 0x0B, 0x0F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2032 0x13, 0x17, 0x1B, 0x1F };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2033
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2034 vector unsigned char vuc_result_first_second =
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2035 spu_shuffle( (vector unsigned char) vui_result_first_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2036 (vector unsigned char) vui_result_second_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2037 vuc_mask_merge_result_first_second );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2038
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2039 vector unsigned char vuc_result_third_fourth =
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2040 spu_shuffle( (vector unsigned char) vui_result_third_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2041 (vector unsigned char) vui_result_fourth_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2042 vuc_mask_merge_result_third_fourth );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2043
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2044 // store result
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2045 ((vector unsigned char)dst) = spu_or( vuc_result_first_second,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2046 vuc_result_third_fourth );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2047 dst += 16;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2048 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2049 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2050

Mercurial > sdl-ios-xcode

annotate src/video/ps3/spulibs/bilin_scaler.c @ 3683:4c5ab6841fdc