sdl-ios-xcode: src/video/ps3/spulibs/yuv2rgb.c annotate

annotate src/video/ps3/spulibs/yuv2rgb.c @ 4630:02895e9c796b

Added some comments.

author	Sunny Sachanandani <sunnysachanandani@gmail.com>
date	Mon, 02 Aug 2010 17:14:09 +0530
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 // Test environment for /2 resolutions
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 //#define TESTING
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 #ifdef DEBUG
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #define deprintf(fmt, args... ) \
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 fprintf( stdout, fmt, ##args ); \
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 fflush( stdout );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #else
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 #define deprintf( fmt, args... )
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 #endif
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 struct yuv2rgb_parms_t parms_converter __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 /* 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	50 * 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	51 * 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	52 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 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	54 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	55 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	56
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 /* A maximum of 4 lines BGRA are stored, 4 byte per pixel */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 unsigned char bgra[4 * MAX_HDTV_WIDTH * 4] __attribute__((aligned(128)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 /* 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	61 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	62 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	63
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 void yuv_to_rgb_w16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 void yuv_to_rgb_w32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 void yuv_to_rgb_w2_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr, unsigned int width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 void yuv_to_rgb_w32_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_, unsigned int width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69
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 __attribute__ ((unused)))
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] yuv2rgb_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 uint32_t ea_mfc, mbox;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 // send ready message
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 spu_write_out_mbox(SPU_READY);
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 while (1) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 /* Check mailbox */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 mbox = spu_read_in_mbox();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 deprintf("[SPU] Message is %u\n", mbox);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 switch (mbox) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 case SPU_EXIT:
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 deprintf("[SPU] yuv2rgb_converter goes down...\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 return 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 case SPU_START:
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 break;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 default:
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 deprintf("[SPU] Cannot handle message\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 continue;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 /* Tag Manager setup */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 unsigned int tag_id;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 tag_id = mfc_multi_tag_reserve(1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 if (tag_id == MFC_TAG_INVALID) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 deprintf("[SPU] Failed to reserve mfc tags on yuv2rgb_converter\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 return 0;
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
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 /* 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	102 ea_mfc = spu_read_in_mbox();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 deprintf("[SPU] Message on yuv2rgb_converter is %u\n", ea_mfc);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 spu_mfcdma32(&parms_converter, (unsigned int)ea_mfc, sizeof(struct yuv2rgb_parms_t), tag_id, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 DMA_WAIT_TAG(tag_id);
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 /* There are alignment issues that involve handling of special cases
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 * a width of 32 results in a width of 16 in the chrominance
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 * --> choose the proper handling to optimize the performance
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 deprintf("[SPU] Convert %ix%i from YUV to RGB\n", parms_converter.src_pixel_width, parms_converter.src_pixel_height);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 if (!(parms_converter.src_pixel_width & 0x1f)) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 deprintf("[SPU] Using yuv_to_rgb_w16\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 yuv_to_rgb_w16();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 } else {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 deprintf("[SPU] Using yuv_to_rgb_w32\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 yuv_to_rgb_w32();
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 mfc_multi_tag_release(tag_id, 1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 deprintf("[SPU] yuv2rgb_spu... done!\n");
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 /* Send FIN message */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 spu_write_out_mbox(SPU_FIN);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 }
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 return 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128
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 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 * float_to_char()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 * converts a float to a character using saturated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 * arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 * @param s float for conversion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 * @returns converted character
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 inline static unsigned char float_to_char(float s) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 vector float vec_s = spu_splats(s);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 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	142 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	143
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 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	145 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	146 return (unsigned char) spu_extract(vec_s,0);
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
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 * vfloat_to_vuint()
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 * 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	154 * arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 * @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	157 * @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	158 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 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	160 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	161 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	162
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 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	164 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	165 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	166 }
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
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 void yuv_to_rgb_w16() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 // Pixel dimensions of the picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 uint32_t width, height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 // Extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 width = parms_converter.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 height = parms_converter.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 // Plane data management
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 // Y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 unsigned char* ram_addr_y = parms_converter.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 // V
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 unsigned char* ram_addr_v = parms_converter.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 // U
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 unsigned char* ram_addr_u = parms_converter.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 // BGRA
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 unsigned char* ram_addr_bgra = parms_converter.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 // Strides
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 unsigned int stride_y = width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 unsigned int stride_vu = width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 // Buffer management
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 unsigned int buf_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 unsigned int size_4lines_y = stride_y<<2;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 unsigned int size_2lines_y = stride_y<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 unsigned int size_2lines_vu = stride_vu<<1;
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 // 2width4byte_per_pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 unsigned int size_2lines_bgra = width<<3;
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
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 // start double-buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y, size_4lines_y, RETR_BUF+buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD);
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 // Wait for these transfers to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 DMA_WAIT_TAG((RETR_BUF + buf_idx));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 unsigned int i;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 for(i=0; i<(height>>2)-1; i++) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y+size_4lines_y, size_4lines_y, RETR_BUF+buf_idx, MFC_GET_CMD);
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 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v+size_2lines_vu, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u+size_2lines_vu, size_2lines_vu, RETR_BUF+buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 DMA_WAIT_TAG((RETR_BUF + buf_idx));
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 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 // Convert YUV to BGRA, store it back (first two lines)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 #ifndef TESTING
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 yuv_to_rgb_w16_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 yuv_to_rgb_w16_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 #else
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 yuv_to_rgb_w2_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 yuv_to_rgb_w2_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 #endif
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 // Wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 // Store converted lines in two steps->max transfer size 16384
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 spu_mfcdma32(bgra+size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 // Move 4 lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 ram_addr_y += size_4lines_y;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 ram_addr_v += size_2lines_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 ram_addr_u += size_2lines_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 #ifndef TESTING
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 // Convert YUV to BGRA, store it back (first two lines)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 yuv_to_rgb_w16_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 yuv_to_rgb_w16_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 #else
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 // Convert YUV to BGRA, store it back (first two lines)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 yuv_to_rgb_w2_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 yuv_to_rgb_w2_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 #endif
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 // Wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 spu_mfcdma32(bgra+size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 // wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 void yuv_to_rgb_w32() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 // Pixel dimensions of the picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 uint32_t width, height;
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 // Extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 width = parms_converter.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 height = parms_converter.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 // Plane data management
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 // Y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 unsigned char* ram_addr_y = parms_converter.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 // V
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 unsigned char* ram_addr_v = parms_converter.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 // U
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 unsigned char* ram_addr_u = parms_converter.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 // BGRA
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 unsigned char* ram_addr_bgra = parms_converter.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 // Strides
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 unsigned int stride_y = width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 unsigned int stride_vu = width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 // Buffer management
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 unsigned int buf_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 unsigned int size_4lines_y = stride_y<<2;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 unsigned int size_2lines_y = stride_y<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 unsigned int size_2lines_vu = stride_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 // 2width4byte_per_pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 unsigned int size_2lines_bgra = width<<3;
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 // start double-buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y, size_4lines_y, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 // Wait for these transfers to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 DMA_WAIT_TAG((RETR_BUF + buf_idx));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 unsigned int i;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 for(i=0; i < (height>>2)-1; i++) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 spu_mfcdma32(y_plane[buf_idx], (unsigned int) ram_addr_y+size_4lines_y, size_4lines_y, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 deprintf("4lines = %d\n", size_4lines_y);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 spu_mfcdma32(v_plane[buf_idx], (unsigned int) ram_addr_v+size_2lines_vu, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 deprintf("2lines = %d\n", size_2lines_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 spu_mfcdma32(u_plane[buf_idx], (unsigned int) ram_addr_u+size_2lines_vu, size_2lines_vu, RETR_BUF + buf_idx, MFC_GET_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 deprintf("2lines = %d\n", size_2lines_vu);
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 + buf_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 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 // Convert YUV to BGRA, store it back (first two lines)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 yuv_to_rgb_w32_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 yuv_to_rgb_w32_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 // Wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 // Store converted lines in two steps->max transfer size 16384
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 spu_mfcdma32(bgra, (unsigned int)ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 spu_mfcdma32(bgra + size_2lines_bgra, (unsigned int)ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 // Move 4 lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 ram_addr_y += size_4lines_y;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 ram_addr_v += size_2lines_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 ram_addr_u += size_2lines_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 buf_idx^=1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 // Convert YUV to BGRA, store it back (first two lines)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 yuv_to_rgb_w32_line(y_plane[buf_idx], v_plane[buf_idx], u_plane[buf_idx], bgra, width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 // Next two lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 yuv_to_rgb_w32_line(y_plane[buf_idx] + size_2lines_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 v_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 u_plane[buf_idx] + stride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 bgra + size_2lines_bgra,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 // Wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 spu_mfcdma32(bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 ram_addr_bgra += size_2lines_bgra;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 spu_mfcdma32(bgra + size_2lines_bgra, (unsigned int) ram_addr_bgra, size_2lines_bgra, STR_BUF, MFC_PUT_CMD);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 // Wait for previous storing transfer to be completed
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 DMA_WAIT_TAG(STR_BUF);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 /* Some vectors needed by the yuv 2 rgb conversion algorithm */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 const vector float vec_minus_128 = { -128.0f, -128.0f, -128.0f, -128.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 const vector unsigned char vec_null = { 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	417 const vector unsigned char vec_char2int_first = { 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x13 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 const vector unsigned char vec_char2int_second = { 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 const vector unsigned char vec_char2int_third = { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x1A, 0x00, 0x00, 0x00, 0x1B };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 const vector unsigned char vec_char2int_fourth = { 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x1D, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 0x1F };
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 const vector float vec_R_precalc_coeff = {1.403f, 1.403f, 1.403f, 1.403f};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 const vector float vec_Gu_precalc_coeff = {-0.344f, -0.344f, -0.344f, -0.344f};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 const vector float vec_Gv_precalc_coeff = {-0.714f, -0.714f, -0.714f, -0.714f};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 const vector float vec_B_precalc_coeff = {1.773f, 1.773f, 1.773f, 1.773f};
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 const vector unsigned int vec_alpha = { 255 << 24, 255 << 24, 255 << 24, 255 << 24 };
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 const vector unsigned char vec_select_floats_upper = { 0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x04, 0x05, 0x06, 0x07 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 const vector unsigned char vec_select_floats_lower = { 0x08, 0x09, 0x0A, 0x0B, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x0C, 0x0D, 0x0E, 0x0F };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 #ifdef TESTING
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 * yuv_to_rgb_w2()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 * - converts x * 4 pixels from YUV to RGB
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 * - two lines of YUV are taken as input.
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 * - width has to be a multiple of 2 (= 4 pixel)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 * @param y_addr address of the y plane (local store)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 * @param v_addr address of the v plane (local store)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 * @param u_addr address of the u plane (local store)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 * @param bgra_addr_char address of the bgra output buffer (local store)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 * @param width the width of a line in pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 void yuv_to_rgb_w2_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_char, unsigned int width) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 // each pixel is stored as an integer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 unsigned int* bgra_addr = (unsigned int*) bgra_addr_char;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 unsigned int x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 // Go through each line in steps of 2, because every U and V value is connected to 4 pixels Y (YUV 4:2:0)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 for(x = 0; x < width; x+=2) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 // Get the 4 Y, 1 U and 1 V values
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 const unsigned char Y_1 = *(y_addr + x);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 const unsigned char Y_2 = *(y_addr + x + 1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 const unsigned char Y_3 = *(y_addr + x + width);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 const unsigned char Y_4 = *(y_addr + x + width + 1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 const unsigned char U = *(u_addr + (x >> 1));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 const unsigned char V = *(v_addr + (x >> 1));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 // Start converting
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 float V_minus_128 = (float)((float)V - 128.0f);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 float U_minus_128 = (float)((float)U - 128.0f);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 float R_precalculate = 1.403f * V_minus_128;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 float G_precalculate = -(0.344f * U_minus_128 + 0.714f * V_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 float B_precalculate = 1.773f * U_minus_128;
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 // Cast the results
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 const unsigned char R_1 = float_to_char((Y_1 + R_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 const unsigned char R_2 = float_to_char((Y_2 + R_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 const unsigned char R_3 = float_to_char((Y_3 + R_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 const unsigned char R_4 = float_to_char((Y_4 + R_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 const unsigned char G_1 = float_to_char((Y_1 + G_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 const unsigned char G_2 = float_to_char((Y_2 + G_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 const unsigned char G_3 = float_to_char((Y_3 + G_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 const unsigned char G_4 = float_to_char((Y_4 + G_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 const unsigned char B_1 = float_to_char((Y_1 + B_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 const unsigned char B_2 = float_to_char((Y_2 + B_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 const unsigned char B_3 = float_to_char((Y_3 + B_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 const unsigned char B_4 = float_to_char((Y_4 + B_precalculate));
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 // Write back
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 *(bgra_addr + x) = (B_1 << 0)\| (G_1 << 8) \| (R_1 << 16) \| (255 << 24);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 *(bgra_addr + x + 1) = (B_2 << 0)\| (G_2 << 8) \| (R_2 << 16) \| (255 << 24);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 *(bgra_addr + x + width) = (B_3 << 0)\| (G_3 << 8) \| (R_3 << 16) \| (255 << 24);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 *(bgra_addr + x + width + 1) = (B_4 << 0)\| (G_4 << 8) \| (R_4 << 16) \| (255 << 24);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 #endif
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 * yuv_to_rgb_w32()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 * processes to line of yuv-input, width has to be a multiple of 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 * two lines of yuv are taken as input
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 * @param y_addr address of the y plane in local store
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 * @param v_addr address of the v plane in local store
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 * @param u_addr address of the u plane in local store
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 * @param bgra_addr_ address of the bgra output buffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 * @param width the width in pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 void yuv_to_rgb_w32_line(unsigned char* y_addr, unsigned char* v_addr, unsigned char* u_addr, unsigned char* bgra_addr_, unsigned int width) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 // each pixel is stored as an integer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 unsigned int* bgra_addr = (unsigned int*) bgra_addr_;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 unsigned int x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 for(x = 0; x < width; x+=32) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 // Gehe zweischrittig durch die zeile, da jeder u und v wert fuer 4 pixel(zwei hoch, zwei breit) gilt
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 const vector unsigned char vchar_Y_1 = ((vector unsigned char)(y_addr + x));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 const vector unsigned char vchar_Y_2 = ((vector unsigned char)(y_addr + x + 16));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 const vector unsigned char vchar_Y_3 = ((vector unsigned char)(y_addr + x + width));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 const vector unsigned char vchar_Y_4 = ((vector unsigned char)(y_addr + x + width + 16));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 const vector unsigned char vchar_U = ((vector unsigned char)(u_addr + (x >> 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 const vector unsigned char vchar_V = ((vector unsigned char)(v_addr + (x >> 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 const vector float vfloat_U_1 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_first), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 const vector float vfloat_U_2 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_second), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 const vector float vfloat_U_3 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_third), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 const vector float vfloat_U_4 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_U, vec_char2int_fourth), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 const vector float vfloat_V_1 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_first), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 const vector float vfloat_V_2 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_second), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 const vector float vfloat_V_3 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_third), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 const vector float vfloat_V_4 = spu_add(spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_V, vec_char2int_fourth), 0),vec_minus_128);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 vector float Y_1 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_first), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 vector float Y_2 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_second), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 vector float Y_3 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_third), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 vector float Y_4 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_1, vec_char2int_fourth), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 vector float Y_5 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_first), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 vector float Y_6 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_second), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 vector float Y_7 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_third), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 vector float Y_8 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_2, vec_char2int_fourth), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 vector float Y_9 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_first), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 vector float Y_10 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_second), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 vector float Y_11 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_third), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 vector float Y_12 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_3, vec_char2int_fourth), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 vector float Y_13 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_first), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 vector float Y_14 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_second), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 vector float Y_15 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_third), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 vector float Y_16 = spu_convtf((vector unsigned int)spu_shuffle(vec_null, vchar_Y_4, vec_char2int_fourth), 0);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 const vector float R1a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 const vector float R2a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 const vector float R3a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_3);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 const vector float R4a_precalculate = spu_mul(vec_R_precalc_coeff, vfloat_V_4);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 const vector float R1_precalculate = spu_shuffle(R1a_precalculate, R1a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 const vector float R2_precalculate = spu_shuffle(R1a_precalculate, R1a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 const vector float R3_precalculate = spu_shuffle(R2a_precalculate, R2a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 const vector float R4_precalculate = spu_shuffle(R2a_precalculate, R2a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 const vector float R5_precalculate = spu_shuffle(R3a_precalculate, R3a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 const vector float R6_precalculate = spu_shuffle(R3a_precalculate, R3a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 const vector float R7_precalculate = spu_shuffle(R4a_precalculate, R4a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 const vector float R8_precalculate = spu_shuffle(R4a_precalculate, R4a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 const vector float G1a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_1, spu_mul(vfloat_V_1, vec_Gv_precalc_coeff));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 const vector float G2a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_2, spu_mul(vfloat_V_2, vec_Gv_precalc_coeff));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 const vector float G3a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_3, spu_mul(vfloat_V_3, vec_Gv_precalc_coeff));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 const vector float G4a_precalculate = spu_madd(vec_Gu_precalc_coeff, vfloat_U_4, spu_mul(vfloat_V_4, vec_Gv_precalc_coeff));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 const vector float G1_precalculate = spu_shuffle(G1a_precalculate, G1a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 const vector float G2_precalculate = spu_shuffle(G1a_precalculate, G1a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 const vector float G3_precalculate = spu_shuffle(G2a_precalculate, G2a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 const vector float G4_precalculate = spu_shuffle(G2a_precalculate, G2a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 const vector float G5_precalculate = spu_shuffle(G3a_precalculate, G3a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 const vector float G6_precalculate = spu_shuffle(G3a_precalculate, G3a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 const vector float G7_precalculate = spu_shuffle(G4a_precalculate, G4a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 const vector float G8_precalculate = spu_shuffle(G4a_precalculate, G4a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 const vector float B1a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_1);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 const vector float B2a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 const vector float B3a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_3);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 const vector float B4a_precalculate = spu_mul(vec_B_precalc_coeff, vfloat_U_4);
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 const vector float B1_precalculate = spu_shuffle(B1a_precalculate, B1a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 const vector float B2_precalculate = spu_shuffle(B1a_precalculate, B1a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 const vector float B3_precalculate = spu_shuffle(B2a_precalculate, B2a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 const vector float B4_precalculate = spu_shuffle(B2a_precalculate, B2a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 const vector float B5_precalculate = spu_shuffle(B3a_precalculate, B3a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 const vector float B6_precalculate = spu_shuffle(B3a_precalculate, B3a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 const vector float B7_precalculate = spu_shuffle(B4a_precalculate, B4a_precalculate, vec_select_floats_upper);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 const vector float B8_precalculate = spu_shuffle(B4a_precalculate, B4a_precalculate, vec_select_floats_lower);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 const vector unsigned int R_1 = vfloat_to_vuint(spu_add( Y_1, R1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 const vector unsigned int R_2 = vfloat_to_vuint(spu_add( Y_2, R2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 const vector unsigned int R_3 = vfloat_to_vuint(spu_add( Y_3, R3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 const vector unsigned int R_4 = vfloat_to_vuint(spu_add( Y_4, R4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 const vector unsigned int R_5 = vfloat_to_vuint(spu_add( Y_5, R5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 const vector unsigned int R_6 = vfloat_to_vuint(spu_add( Y_6, R6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 const vector unsigned int R_7 = vfloat_to_vuint(spu_add( Y_7, R7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 const vector unsigned int R_8 = vfloat_to_vuint(spu_add( Y_8, R8_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 const vector unsigned int R_9 = vfloat_to_vuint(spu_add( Y_9, R1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 const vector unsigned int R_10 = vfloat_to_vuint(spu_add(Y_10, R2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 const vector unsigned int R_11 = vfloat_to_vuint(spu_add(Y_11, R3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 const vector unsigned int R_12 = vfloat_to_vuint(spu_add(Y_12, R4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 const vector unsigned int R_13 = vfloat_to_vuint(spu_add(Y_13, R5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 const vector unsigned int R_14 = vfloat_to_vuint(spu_add(Y_14, R6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 const vector unsigned int R_15 = vfloat_to_vuint(spu_add(Y_15, R7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 const vector unsigned int R_16 = vfloat_to_vuint(spu_add(Y_16, R8_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 const vector unsigned int G_1 = vfloat_to_vuint(spu_add( Y_1, G1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 const vector unsigned int G_2 = vfloat_to_vuint(spu_add( Y_2, G2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 const vector unsigned int G_3 = vfloat_to_vuint(spu_add( Y_3, G3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 const vector unsigned int G_4 = vfloat_to_vuint(spu_add( Y_4, G4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 const vector unsigned int G_5 = vfloat_to_vuint(spu_add( Y_5, G5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 const vector unsigned int G_6 = vfloat_to_vuint(spu_add( Y_6, G6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 const vector unsigned int G_7 = vfloat_to_vuint(spu_add( Y_7, G7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 const vector unsigned int G_8 = vfloat_to_vuint(spu_add( Y_8, G8_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 const vector unsigned int G_9 = vfloat_to_vuint(spu_add( Y_9, G1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 const vector unsigned int G_10 = vfloat_to_vuint(spu_add(Y_10, G2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 const vector unsigned int G_11 = vfloat_to_vuint(spu_add(Y_11, G3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 const vector unsigned int G_12 = vfloat_to_vuint(spu_add(Y_12, G4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 const vector unsigned int G_13 = vfloat_to_vuint(spu_add(Y_13, G5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 const vector unsigned int G_14 = vfloat_to_vuint(spu_add(Y_14, G6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 const vector unsigned int G_15 = vfloat_to_vuint(spu_add(Y_15, G7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 const vector unsigned int G_16 = vfloat_to_vuint(spu_add(Y_16, G8_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 const vector unsigned int B_1 = vfloat_to_vuint(spu_add( Y_1, B1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 const vector unsigned int B_2 = vfloat_to_vuint(spu_add( Y_2, B2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 const vector unsigned int B_3 = vfloat_to_vuint(spu_add( Y_3, B3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 const vector unsigned int B_4 = vfloat_to_vuint(spu_add( Y_4, B4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 const vector unsigned int B_5 = vfloat_to_vuint(spu_add( Y_5, B5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 const vector unsigned int B_6 = vfloat_to_vuint(spu_add( Y_6, B6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 const vector unsigned int B_7 = vfloat_to_vuint(spu_add( Y_7, B7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 const vector unsigned int B_8 = vfloat_to_vuint(spu_add( Y_8, B8_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 const vector unsigned int B_9 = vfloat_to_vuint(spu_add( Y_9, B1_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 const vector unsigned int B_10 = vfloat_to_vuint(spu_add(Y_10, B2_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 const vector unsigned int B_11 = vfloat_to_vuint(spu_add(Y_11, B3_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 const vector unsigned int B_12 = vfloat_to_vuint(spu_add(Y_12, B4_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 const vector unsigned int B_13 = vfloat_to_vuint(spu_add(Y_13, B5_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 const vector unsigned int B_14 = vfloat_to_vuint(spu_add(Y_14, B6_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 const vector unsigned int B_15 = vfloat_to_vuint(spu_add(Y_15, B7_precalculate));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 const vector unsigned int B_16 = vfloat_to_vuint(spu_add(Y_16, B8_precalculate));
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 ((vector unsigned int)(bgra_addr + x)) = spu_or(spu_or(vec_alpha, B_1), spu_or(spu_slqwbyte( R_1, 2),spu_slqwbyte(G_1, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 ((vector unsigned int)(bgra_addr + x + 4)) = spu_or(spu_or(vec_alpha, B_2), spu_or(spu_slqwbyte( R_2, 2),spu_slqwbyte(G_2, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 ((vector unsigned int)(bgra_addr + x + 8)) = spu_or(spu_or(vec_alpha, B_3), spu_or(spu_slqwbyte( R_3, 2),spu_slqwbyte(G_3, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 ((vector unsigned int)(bgra_addr + x + 12)) = spu_or(spu_or(vec_alpha, B_4), spu_or(spu_slqwbyte( R_4, 2),spu_slqwbyte(G_4, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 ((vector unsigned int)(bgra_addr + x + 16)) = spu_or(spu_or(vec_alpha, B_5), spu_or(spu_slqwbyte( R_5, 2),spu_slqwbyte(G_5, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 ((vector unsigned int)(bgra_addr + x + 20)) = spu_or(spu_or(vec_alpha, B_6), spu_or(spu_slqwbyte( R_6, 2),spu_slqwbyte(G_6, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 ((vector unsigned int)(bgra_addr + x + 24)) = spu_or(spu_or(vec_alpha, B_7), spu_or(spu_slqwbyte( R_7, 2),spu_slqwbyte(G_7, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 ((vector unsigned int)(bgra_addr + x + 28)) = spu_or(spu_or(vec_alpha, B_8), spu_or(spu_slqwbyte( R_8, 2),spu_slqwbyte(G_8, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 ((vector unsigned int)(bgra_addr + x + width)) = spu_or(spu_or(vec_alpha, B_9), spu_or(spu_slqwbyte( R_9, 2),spu_slqwbyte(G_9, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 ((vector unsigned int)(bgra_addr + x + width + 4)) = spu_or(spu_or(vec_alpha, B_10), spu_or(spu_slqwbyte(R_10, 2),spu_slqwbyte(G_10, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 ((vector unsigned int)(bgra_addr + x + width + 8)) = spu_or(spu_or(vec_alpha, B_11), spu_or(spu_slqwbyte(R_11, 2),spu_slqwbyte(G_11, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 ((vector unsigned int)(bgra_addr + x + width + 12)) = spu_or(spu_or(vec_alpha, B_12), spu_or(spu_slqwbyte(R_12, 2),spu_slqwbyte(G_12, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 ((vector unsigned int)(bgra_addr + x + width + 16)) = spu_or(spu_or(vec_alpha, B_13), spu_or(spu_slqwbyte(R_13, 2),spu_slqwbyte(G_13, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 ((vector unsigned int)(bgra_addr + x + width + 20)) = spu_or(spu_or(vec_alpha, B_14), spu_or(spu_slqwbyte(R_14, 2),spu_slqwbyte(G_14, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 ((vector unsigned int)(bgra_addr + x + width + 24)) = spu_or(spu_or(vec_alpha, B_15), spu_or(spu_slqwbyte(R_15, 2),spu_slqwbyte(G_15, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 ((vector unsigned int)(bgra_addr + x + width + 28)) = spu_or(spu_or(vec_alpha, B_16), spu_or(spu_slqwbyte(R_16, 2),spu_slqwbyte(G_16, 1)));
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662

Mercurial > sdl-ios-xcode

annotate src/video/ps3/spulibs/yuv2rgb.c @ 4630:02895e9c796b