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annotate src/video/ps3/spulibs/bilin_scaler.c @ 3257:94fb40a4a9a7

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Merged Martin's code changes from Google Summer of Code 2009
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 04:51:29 +0000
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3257
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1 /*
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2 * SDL - Simple DirectMedia Layer
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3 * CELL BE Support for PS3 Framebuffer
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4 * Copyright (C) 2008, 2009 International Business Machines Corporation
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5 *
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6 * This library is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU Lesser General Public License as published
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8 * by the Free Software Foundation; either version 2.1 of the License, or
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9 * (at your option) any later version.
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10 *
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11 * This library is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with this library; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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19 * USA
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20 *
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21 * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
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22 * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
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23 * SPE code based on research by:
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24 * Rene Becker
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25 * Thimo Emmerich
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26 */
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27
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28 #include "spu_common.h"
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29
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30 #include <spu_intrinsics.h>
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31 #include <spu_mfcio.h>
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32
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33 // Debugging
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34 //#define DEBUG
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35
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36 #ifdef DEBUG
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37 #define deprintf(fmt, args... ) \
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38 fprintf( stdout, fmt, ##args ); \
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39 fflush( stdout );
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40 #else
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41 #define deprintf( fmt, args... )
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42 #endif
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43
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44 struct scale_parms_t parms __attribute__((aligned(128)));
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45
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46 /* A maximum of 8 lines Y, therefore 4 lines V, 4 lines U are stored
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47 * there might be the need to retrieve misaligned data, adjust
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48 * incoming v and u plane to be able to handle this (add 128)
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49 */
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50 unsigned char y_plane[2][(MAX_HDTV_WIDTH+128)*4] __attribute__((aligned(128)));
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51 unsigned char v_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128)));
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52 unsigned char u_plane[2][(MAX_HDTV_WIDTH+128)*2] __attribute__((aligned(128)));
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53
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54 /* temp-buffer for scaling: 4 lines Y, therefore 2 lines V, 2 lines U */
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55 unsigned char scaled_y_plane[2][MAX_HDTV_WIDTH*2] __attribute__((aligned(128)));
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56 unsigned char scaled_v_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128)));
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57 unsigned char scaled_u_plane[2][MAX_HDTV_WIDTH/2] __attribute__((aligned(128)));
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58
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59 /* some vectors needed by the float to int conversion */
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60 static const vector float vec_255 = { 255.0f, 255.0f, 255.0f, 255.0f };
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61 static const vector float vec_0_1 = { 0.1f, 0.1f, 0.1f, 0.1f };
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62
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63 void bilinear_scale_line_w8(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride);
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64 void bilinear_scale_line_w16(unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride);
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65
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66 void scale_srcw16_dstw16();
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67 void scale_srcw16_dstw32();
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68 void scale_srcw32_dstw16();
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69 void scale_srcw32_dstw32();
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70
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71 int main( unsigned long long spe_id __attribute__((unused)), unsigned long long argp )
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72 {
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73 deprintf("[SPU] bilin_scaler_spu is up... (on SPE #%llu)\n", spe_id);
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74 /* DMA transfer for the input parameters */
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75 spu_mfcdma32(&parms, (unsigned int)argp, sizeof(struct scale_parms_t), TAG_INIT, MFC_GET_CMD);
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76 DMA_WAIT_TAG(TAG_INIT);
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77
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78 deprintf("[SPU] Scale %ux%u to %ux%u\n", parms.src_pixel_width, parms.src_pixel_height,
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79 parms.dst_pixel_width, parms.dst_pixel_height);
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80
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81 if(parms.src_pixel_width & 0x1f) {
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82 if(parms.dst_pixel_width & 0x1F) {
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83 deprintf("[SPU] Using scale_srcw16_dstw16\n");
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84 scale_srcw16_dstw16();
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85 } else {
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86 deprintf("[SPU] Using scale_srcw16_dstw32\n");
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87 scale_srcw16_dstw32();
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88 }
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89 } else {
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90 if(parms.dst_pixel_width & 0x1F) {
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91 deprintf("[SPU] Using scale_srcw32_dstw16\n");
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92 scale_srcw32_dstw16();
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93 } else {
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94 deprintf("[SPU] Using scale_srcw32_dstw32\n");
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95 scale_srcw32_dstw32();
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96 }
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97 }
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98 deprintf("[SPU] bilin_scaler_spu... done!\n");
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99
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100 return 0;
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101 }
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102
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103
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104 /*
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105 * vfloat_to_vuint()
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106 *
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107 * converts a float vector to an unsinged int vector using saturated
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108 * arithmetic
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109 *
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110 * @param vec_s float vector for conversion
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111 * @returns converted unsigned int vector
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112 */
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113 inline static vector unsigned int vfloat_to_vuint(vector float vec_s) {
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114 vector unsigned int select_1 = spu_cmpgt(vec_0_1, vec_s);
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115 vec_s = spu_sel(vec_s, vec_0_1, select_1);
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116
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117 vector unsigned int select_2 = spu_cmpgt(vec_s, vec_255);
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118 vec_s = spu_sel(vec_s, vec_255, select_2);
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119 return spu_convtu(vec_s,0);
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120 }
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121
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122
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123 /*
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124 * scale_srcw16_dstw16()
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125 *
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126 * processes an input image of width 16
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127 * scaling is done to a width 16
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128 * result stored in RAM
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129 */
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130 void scale_srcw16_dstw16() {
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131 // extract parameters
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132 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
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133
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134 unsigned int src_width = parms.src_pixel_width;
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135 unsigned int src_height = parms.src_pixel_height;
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136 unsigned int dst_width = parms.dst_pixel_width;
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137 unsigned int dst_height = parms.dst_pixel_height;
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138
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139 // YVU
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140 unsigned int src_linestride_y = src_width;
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141 unsigned int src_dbl_linestride_y = src_width<<1;
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142 unsigned int src_linestride_vu = src_width>>1;
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143 unsigned int src_dbl_linestride_vu = src_width;
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144
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145 // scaled YVU
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146 unsigned int scaled_src_linestride_y = dst_width;
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147
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148 // ram addresses
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149 unsigned char* src_addr_y = parms.y_plane;
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150 unsigned char* src_addr_v = parms.v_plane;
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151 unsigned char* src_addr_u = parms.u_plane;
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152
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153 // for handling misalignment, addresses are precalculated
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154 unsigned char* precalc_src_addr_v = src_addr_v;
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155 unsigned char* precalc_src_addr_u = src_addr_u;
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156
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157 unsigned int dst_picture_size = dst_width*dst_height;
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158
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159 // Sizes for destination
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160 unsigned int dst_dbl_linestride_y = dst_width<<1;
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161 unsigned int dst_dbl_linestride_vu = dst_width>>1;
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162
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163 // Perform address calculation for Y, V and U in main memory with dst_addr as base
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164 unsigned char* dst_addr_main_memory_y = dst_addr;
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165 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
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166 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
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167
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168 // calculate scale factors
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169 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
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170 float y_scale = (float)src_height/(float)dst_height;
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171
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172 // double buffered processing
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173 // buffer switching
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174 unsigned int curr_src_idx = 0;
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175 unsigned int curr_dst_idx = 0;
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176 unsigned int next_src_idx, next_dst_idx;
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177
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178 // 2 lines y as output, upper and lowerline
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179 unsigned int curr_interpl_y_upper = 0;
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180 unsigned int next_interpl_y_upper;
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181 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
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182 // only 1 line v/u output, both planes have the same dimension
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183 unsigned int curr_interpl_vu = 0;
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184 unsigned int next_interpl_vu;
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185
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186 // weights, calculated in every loop iteration
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187 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
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188 vector float vf_next_NSweight_y_upper;
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189 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
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190 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
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191 vector float vf_next_NSweight_vu;
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192
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193 // line indices for the src picture
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194 float curr_src_y_upper = 0.0f, next_src_y_upper;
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195 float curr_src_y_lower, next_src_y_lower;
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196 float curr_src_vu = 0.0f, next_src_vu;
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197
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198 // line indices for the dst picture
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199 unsigned int dst_y=0, dst_vu=0;
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200
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201 // offset for the v and u plane to handle misalignement
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202 unsigned int curr_lsoff_v = 0, next_lsoff_v;
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203 unsigned int curr_lsoff_u = 0, next_lsoff_u;
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204
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205 // calculate lower line indices
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206 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
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207 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
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208 // lower line weight
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209 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
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210
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211
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212 // start partially double buffered processing
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213 // get initial data, 2 sets of y, 1 set v, 1 set u
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214 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
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215 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
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216 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
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217 src_dbl_linestride_y,
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218 RETR_BUF,
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219 0, 0 );
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220 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
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221 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
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222
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223 /* iteration loop
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224 * within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
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225 * the scaled output is 2 lines y, 1 line v, 1 line u
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226 * the yuv2rgb-converted output is stored to RAM
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227 */
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228 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
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229 dst_y = dst_vu<<1;
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230
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231 // calculate next indices
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232 next_src_vu = ((float)dst_vu+1)*y_scale;
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233 next_src_y_upper = ((float)dst_y+2)*y_scale;
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234 next_src_y_lower = ((float)dst_y+3)*y_scale;
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235
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236 next_interpl_vu = (unsigned int) next_src_vu;
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237 next_interpl_y_upper = (unsigned int) next_src_y_upper;
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238 next_interpl_y_lower = (unsigned int) next_src_y_lower;
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239
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240 // calculate weight NORTH-SOUTH
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241 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
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242 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
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243 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
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244
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245 // get next lines
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246 next_src_idx = curr_src_idx^1;
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247 next_dst_idx = curr_dst_idx^1;
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248
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249 // 4 lines y
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250 mfc_get( y_plane[next_src_idx],
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251 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
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252 src_dbl_linestride_y,
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253 RETR_BUF+next_src_idx,
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254 0, 0 );
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255 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
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256 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
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257 src_dbl_linestride_y,
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258 RETR_BUF+next_src_idx,
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259 0, 0 );
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260
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261 // 2 lines v
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262 precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu);
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263 next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F;
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264 mfc_get( v_plane[next_src_idx],
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265 ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0,
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266 src_dbl_linestride_vu+(next_lsoff_v<<1),
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267 RETR_BUF+next_src_idx,
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268 0, 0 );
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269 // 2 lines u
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270 precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu);
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271 next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F;
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272 mfc_get( u_plane[next_src_idx],
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273 ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0,
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274 src_dbl_linestride_vu+(next_lsoff_v<<1),
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275 RETR_BUF+next_src_idx,
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276 0, 0 );
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277
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278 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
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279
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280 // scaling
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281 // work line y_upper
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282 bilinear_scale_line_w16( y_plane[curr_src_idx],
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283 scaled_y_plane[curr_src_idx],
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284 dst_width,
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285 vf_x_scale,
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286 vf_curr_NSweight_y_upper,
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287 src_linestride_y );
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288 // work line y_lower
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289 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
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290 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
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291 dst_width,
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292 vf_x_scale,
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293 vf_curr_NSweight_y_lower,
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294 src_linestride_y );
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295 // work line v
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296 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
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297 scaled_v_plane[curr_src_idx],
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298 dst_width>>1,
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299 vf_x_scale,
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300 vf_curr_NSweight_vu,
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301 src_linestride_vu );
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302 // work line u
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303 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
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304 scaled_u_plane[curr_src_idx],
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305 dst_width>>1,
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306 vf_x_scale,
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307 vf_curr_NSweight_vu,
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308 src_linestride_vu );
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309
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310
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311 // Store the result back to main memory into a destination buffer in YUV format
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312 //---------------------------------------------------------------------------------------------
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313 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
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314
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315 // Perform three DMA transfers to 3 different locations in the main memory!
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316 // dst_width: Pixel width of destination image
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317 // dst_addr: Destination address in main memory
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318 // dst_vu: Counter which is incremented one by one
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319 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
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320 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
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321 (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
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322 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
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323 STR_BUF+curr_dst_idx, // Tag
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324 0, 0 );
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325
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326 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
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327 (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
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328 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
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329 STR_BUF+curr_dst_idx, // Tag
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330 0, 0 );
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331
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332 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
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333 (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
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334 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
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335 STR_BUF+curr_dst_idx, // Tag
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336 0, 0 );
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337 //---------------------------------------------------------------------------------------------
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338
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339
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340 // update for next cycle
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341 curr_src_idx = next_src_idx;
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342 curr_dst_idx = next_dst_idx;
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343
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344 curr_interpl_y_upper = next_interpl_y_upper;
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345 curr_interpl_y_lower = next_interpl_y_lower;
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346 curr_interpl_vu = next_interpl_vu;
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347
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348 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
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349 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
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350 vf_curr_NSweight_vu = vf_next_NSweight_vu;
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351
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352 curr_src_y_upper = next_src_y_upper;
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353 curr_src_y_lower = next_src_y_lower;
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354 curr_src_vu = next_src_vu;
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355
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356 curr_lsoff_v = next_lsoff_v;
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357 curr_lsoff_u = next_lsoff_u;
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358 }
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359
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360
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361
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362 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
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363
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364 // scaling
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365 // work line y_upper
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366 bilinear_scale_line_w16( y_plane[curr_src_idx],
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367 scaled_y_plane[curr_src_idx],
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368 dst_width,
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369 vf_x_scale,
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370 vf_curr_NSweight_y_upper,
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371 src_linestride_y );
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372 // work line y_lower
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373 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
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374 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
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375 dst_width,
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376 vf_x_scale,
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377 vf_curr_NSweight_y_lower,
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378 src_linestride_y );
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379 // work line v
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380 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
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381 scaled_v_plane[curr_src_idx],
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382 dst_width>>1,
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383 vf_x_scale,
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384 vf_curr_NSweight_vu,
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385 src_linestride_vu );
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386 // work line u
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387 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
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388 scaled_u_plane[curr_src_idx],
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389 dst_width>>1,
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390 vf_x_scale,
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391 vf_curr_NSweight_vu,
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392 src_linestride_vu );
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393
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394
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395 // Store the result back to main memory into a destination buffer in YUV format
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396 //---------------------------------------------------------------------------------------------
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397 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
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398
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399 // Perform three DMA transfers to 3 different locations in the main memory!
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400 // dst_width: Pixel width of destination image
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401 // dst_addr: Destination address in main memory
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402 // dst_vu: Counter which is incremented one by one
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403 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
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404 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
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405 (unsigned int)dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
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406 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
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407 STR_BUF+curr_dst_idx, // Tag
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408 0, 0 );
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409
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410 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
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411 (unsigned int)dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
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412 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
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413 STR_BUF+curr_dst_idx, // Tag
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414 0, 0 );
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415
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416 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
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417 (unsigned int)dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
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418 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
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419 STR_BUF+curr_dst_idx, // Tag
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420 0, 0 );
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421
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422 // wait for completion
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423 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
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424 //---------------------------------------------------------------------------------------------
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425 }
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426
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427
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428 /*
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429 * scale_srcw16_dstw32()
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430 *
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431 * processes an input image of width 16
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432 * scaling is done to a width 32
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433 * yuv2rgb conversion on a width of 32
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434 * result stored in RAM
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435 */
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436 void scale_srcw16_dstw32() {
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437 // extract parameters
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438 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
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439
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440 unsigned int src_width = parms.src_pixel_width;
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441 unsigned int src_height = parms.src_pixel_height;
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442 unsigned int dst_width = parms.dst_pixel_width;
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443 unsigned int dst_height = parms.dst_pixel_height;
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444
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445 // YVU
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446 unsigned int src_linestride_y = src_width;
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447 unsigned int src_dbl_linestride_y = src_width<<1;
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448 unsigned int src_linestride_vu = src_width>>1;
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449 unsigned int src_dbl_linestride_vu = src_width;
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450 // scaled YVU
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451 unsigned int scaled_src_linestride_y = dst_width;
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452
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453 // ram addresses
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454 unsigned char* src_addr_y = parms.y_plane;
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455 unsigned char* src_addr_v = parms.v_plane;
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456 unsigned char* src_addr_u = parms.u_plane;
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457
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458 unsigned int dst_picture_size = dst_width*dst_height;
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459
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460 // Sizes for destination
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461 unsigned int dst_dbl_linestride_y = dst_width<<1;
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462 unsigned int dst_dbl_linestride_vu = dst_width>>1;
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463
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464 // Perform address calculation for Y, V and U in main memory with dst_addr as base
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465 unsigned char* dst_addr_main_memory_y = dst_addr;
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466 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
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467 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
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468
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469
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470 // for handling misalignment, addresses are precalculated
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471 unsigned char* precalc_src_addr_v = src_addr_v;
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472 unsigned char* precalc_src_addr_u = src_addr_u;
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473
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474 // calculate scale factors
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475 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
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476 float y_scale = (float)src_height/(float)dst_height;
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477
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478 // double buffered processing
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479 // buffer switching
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480 unsigned int curr_src_idx = 0;
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481 unsigned int curr_dst_idx = 0;
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482 unsigned int next_src_idx, next_dst_idx;
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483
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484 // 2 lines y as output, upper and lowerline
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485 unsigned int curr_interpl_y_upper = 0;
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486 unsigned int next_interpl_y_upper;
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487 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
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488 // only 1 line v/u output, both planes have the same dimension
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489 unsigned int curr_interpl_vu = 0;
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490 unsigned int next_interpl_vu;
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491
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492 // weights, calculated in every loop iteration
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493 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
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494 vector float vf_next_NSweight_y_upper;
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495 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
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496 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
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497 vector float vf_next_NSweight_vu;
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498
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499 // line indices for the src picture
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500 float curr_src_y_upper = 0.0f, next_src_y_upper;
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501 float curr_src_y_lower, next_src_y_lower;
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502 float curr_src_vu = 0.0f, next_src_vu;
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diff changeset
503
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504 // line indices for the dst picture
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505 unsigned int dst_y=0, dst_vu=0;
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diff changeset
506
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507 // offset for the v and u plane to handle misalignement
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diff changeset
508 unsigned int curr_lsoff_v = 0, next_lsoff_v;
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parents:
diff changeset
509 unsigned int curr_lsoff_u = 0, next_lsoff_u;
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parents:
diff changeset
510
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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diff changeset
511 // calculate lower line idices
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parents:
diff changeset
512 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
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parents:
diff changeset
513 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 // lower line weight
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
518 // start partially double buffered processing
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
523 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
524 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
525 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
526 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528
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parents:
diff changeset
529 // iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 // the scaled output is 2 lines y, 1 line v, 1 line u
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 // the yuv2rgb-converted output is stored to RAM
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
534 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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diff changeset
535
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
536 // calculate next indices
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parents:
diff changeset
537 next_src_vu = ((float)dst_vu+1)*y_scale;
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parents:
diff changeset
538 next_src_y_upper = ((float)dst_y+2)*y_scale;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 next_src_y_lower = ((float)dst_y+3)*y_scale;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 next_interpl_y_upper = (unsigned int) next_src_y_upper;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
544
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parents:
diff changeset
545 // calculate weight NORTH-SOUTH
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 // get next lines
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 next_src_idx = curr_src_idx^1;
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parents:
diff changeset
552 next_dst_idx = curr_dst_idx^1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553
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diff changeset
554 // 4 lines y
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 src_dbl_linestride_y,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
558 RETR_BUF+next_src_idx,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 0, 0 );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 // 2 lines v
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 precalc_src_addr_v = src_addr_v+(next_interpl_vu*src_linestride_vu);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 next_lsoff_v = ((unsigned int)precalc_src_addr_v)&0x0F;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 ((unsigned int) precalc_src_addr_v)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 src_dbl_linestride_vu+(next_lsoff_v<<1),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 RETR_BUF+next_src_idx,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 // 2 lines u
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parents:
diff changeset
575 precalc_src_addr_u = src_addr_u+(next_interpl_vu*src_linestride_vu);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 next_lsoff_u = ((unsigned int)precalc_src_addr_u)&0x0F;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 ((unsigned int) precalc_src_addr_u)&0xFFFFFFF0,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 src_dbl_linestride_vu+(next_lsoff_v<<1),
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 // scaling
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 // work line y_upper
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parents:
diff changeset
587 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 scaled_y_plane[curr_src_idx],
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 dst_width,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 vf_x_scale,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
591 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
592 src_linestride_y );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593 // work line y_lower
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
598 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
599 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
600 // work line v
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
602 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
604 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
608 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
610 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
618 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
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parents:
diff changeset
636 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
644 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
653 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 curr_lsoff_v = next_lsoff_v;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 curr_lsoff_u = next_lsoff_u;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
680 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
681 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 bilinear_scale_line_w8( v_plane[curr_src_idx]+curr_lsoff_v,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 bilinear_scale_line_w8( u_plane[curr_src_idx]+curr_lsoff_u,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
694 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
696 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
702 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
703 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
705 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
706
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
707 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
708 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
709 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
710 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
711 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
712
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
715 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
718
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
720 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
721 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
724
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
725 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
726 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
727 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
728 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
729
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
730
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
731 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 * scale_srcw32_dstw16()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
733 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
734 * processes an input image of width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
735 * scaling is done to a width 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
736 * yuv2rgb conversion on a width of 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
737 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
738 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
739 void scale_srcw32_dstw16() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
740 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
741 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
742
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
743 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
767 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
768 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
769 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
772 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
776 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
777 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
780 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
782 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
785 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
786 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
787 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788 unsigned int next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 vector float vf_next_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
795 vector float vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
796
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 float curr_src_vu = 0.0f, next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
801
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
802 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
803 unsigned int dst_y=0, dst_vu=0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
804
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 // calculate lower line idices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
807 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
808 // lower line weight
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
809 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
810
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
812 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
813 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
814 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
816 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
817 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
818 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
819 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
820 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
821 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
822
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
823 // iteration loop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
824 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
825 // the scaled output is 2 lines y, 1 line v, 1 line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826 // the yuv2rgb-converted output is stored to RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
827 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828 dst_y = dst_vu<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830 // calculate next indices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831 next_src_vu = ((float)dst_vu+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
832 next_src_y_upper = ((float)dst_y+2)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
833 next_src_y_lower = ((float)dst_y+3)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835 next_interpl_vu = (unsigned int) next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 next_interpl_y_upper = (unsigned int) next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
837 next_interpl_y_lower = (unsigned int) next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
839 // calculate weight NORTH-SOUTH
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
841 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
843
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
844 // get next lines
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
846 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
848 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
849 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
850 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
851 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
852 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
853 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
854 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
859
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
860 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
863 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
865 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
866 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
867 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
868 (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
869 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
874
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
876 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
877 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
878 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
879 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
880 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
881 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
882 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
883 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
884 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
885 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
888 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
891 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
893 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
894 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
898 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
899 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
900 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
901 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
902 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
903 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
904
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
905 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
906 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
907
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
908 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
909 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
910 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
911 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
912 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
913
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
914 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
915 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
916 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
917 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
918 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
919
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
920 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
921 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
922 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
923 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
924 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
925
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
926 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
927 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
928 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
929 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
930 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
931 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
932
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
934 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
935 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
936 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
937
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
938 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
939 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
940 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
941
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
942 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
943 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
944 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
945
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
946 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
947 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
948 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
949 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
950
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
951
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
952
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
953 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
954
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
955 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
956 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
957 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
958 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
959 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
960 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
961 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
962 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
963 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
964 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
965 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
966 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
967 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
968 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
969 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
970 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
971 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
972 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
973 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
974 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
975 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
976 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
977 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
978 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
979 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
980 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
981 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
982 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
983 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
984
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
985
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
986 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
987 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
988
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
989 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
990 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
991 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
992 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
993 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
994
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
995 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
996 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
997 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
998 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
999 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1000
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1001 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1002 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1003 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1004 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1005 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1006
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1007 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1008 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1009 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1010 STR_BUF+curr_dst_idx, // Tag
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1011 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1012
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1013 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1014 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1015 //---------------------------------------------------------------------------------------------
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1016 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1017
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1018
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1019 /**
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1020 * scale_srcw32_dstw32()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1021 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1022 * processes an input image of width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1023 * scaling is done to a width 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1024 * yuv2rgb conversion on a width of 32
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1025 * result stored in RAM
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1026 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1027 void scale_srcw32_dstw32() {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1028 // extract parameters
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1029 unsigned char* dst_addr = (unsigned char *)parms.dstBuffer;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1030
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1031 unsigned int src_width = parms.src_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1032 unsigned int src_height = parms.src_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1033 unsigned int dst_width = parms.dst_pixel_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1034 unsigned int dst_height = parms.dst_pixel_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1035
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1036 // YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1037 unsigned int src_linestride_y = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1038 unsigned int src_dbl_linestride_y = src_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1039 unsigned int src_linestride_vu = src_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1040 unsigned int src_dbl_linestride_vu = src_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1041
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1042 // scaled YVU
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1043 unsigned int scaled_src_linestride_y = dst_width;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1044
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1045 // ram addresses
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1046 unsigned char* src_addr_y = parms.y_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1047 unsigned char* src_addr_v = parms.v_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1048 unsigned char* src_addr_u = parms.u_plane;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1049
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1050 unsigned int dst_picture_size = dst_width*dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1051
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1052 // Sizes for destination
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1053 unsigned int dst_dbl_linestride_y = dst_width<<1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1054 unsigned int dst_dbl_linestride_vu = dst_width>>1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1055
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1056 // Perform address calculation for Y, V and U in main memory with dst_addr as base
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1057 unsigned char* dst_addr_main_memory_y = dst_addr;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1058 unsigned char* dst_addr_main_memory_v = dst_addr + dst_picture_size;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1059 unsigned char* dst_addr_main_memory_u = dst_addr_main_memory_v +(dst_picture_size>>2);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1060
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1061 // calculate scale factors
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1062 vector float vf_x_scale = spu_splats( (float)src_width/(float)dst_width );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1063 float y_scale = (float)src_height/(float)dst_height;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1064
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1065 // double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1066 // buffer switching
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1067 unsigned int curr_src_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1068 unsigned int curr_dst_idx = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1069 unsigned int next_src_idx, next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1070
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1071 // 2 lines y as output, upper and lowerline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1072 unsigned int curr_interpl_y_upper = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1073 unsigned int next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1074 unsigned int curr_interpl_y_lower, next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1075 // only 1 line v/u output, both planes have the same dimension
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1076 unsigned int curr_interpl_vu = 0;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1077 unsigned int next_interpl_vu;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1078
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1079 // weights, calculated in every loop iteration
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1080 vector float vf_curr_NSweight_y_upper = { 0.0f, 0.0f, 0.0f, 0.0f };
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1081 vector float vf_next_NSweight_y_upper;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1082 vector float vf_curr_NSweight_y_lower, vf_next_NSweight_y_lower;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1083 vector float vf_curr_NSweight_vu = { 0.0f, 0.0f, 0.0f, 0.0f };
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1084 vector float vf_next_NSweight_vu;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1085
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1086 // line indices for the src picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1087 float curr_src_y_upper = 0.0f, next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1088 float curr_src_y_lower, next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1089 float curr_src_vu = 0.0f, next_src_vu;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1090
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1091 // line indices for the dst picture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1092 unsigned int dst_y=0, dst_vu=0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1093
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1094 // calculate lower line idices
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1095 curr_src_y_lower = ((float)curr_interpl_y_upper+1)*y_scale;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1096 curr_interpl_y_lower = (unsigned int)curr_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1097 // lower line weight
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1098 vf_curr_NSweight_y_lower = spu_splats( curr_src_y_lower-(float)curr_interpl_y_lower );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1099
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1100
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1101 // start partially double buffered processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1102 // get initial data, 2 sets of y, 1 set v, 1 set u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1103 mfc_get( y_plane[curr_src_idx], (unsigned int) src_addr_y, src_dbl_linestride_y, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1104 mfc_get( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1105 (unsigned int) src_addr_y+(curr_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1106 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1107 RETR_BUF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1108 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1109 mfc_get( v_plane[curr_src_idx], (unsigned int) src_addr_v, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1110 mfc_get( u_plane[curr_src_idx], (unsigned int) src_addr_u, src_dbl_linestride_vu, RETR_BUF, 0, 0 );
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parents:
diff changeset
1111
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parents:
diff changeset
1112 // iteration loop
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1113 // within each iteration 4 lines y, 2 lines v, 2 lines u are retrieved
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1114 // the scaled output is 2 lines y, 1 line v, 1 line u
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1115 // the yuv2rgb-converted output is stored to RAM
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1116 for( dst_vu=0; dst_vu<(dst_height>>1)-1; dst_vu++ ) {
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1117 dst_y = dst_vu<<1;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1118
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1119 // calculate next indices
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1120 next_src_vu = ((float)dst_vu+1)*y_scale;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1121 next_src_y_upper = ((float)dst_y+2)*y_scale;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1122 next_src_y_lower = ((float)dst_y+3)*y_scale;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1123
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1124 next_interpl_vu = (unsigned int) next_src_vu;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1125 next_interpl_y_upper = (unsigned int) next_src_y_upper;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1126 next_interpl_y_lower = (unsigned int) next_src_y_lower;
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parents:
diff changeset
1127
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parents:
diff changeset
1128 // calculate weight NORTH-SOUTH
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1129 vf_next_NSweight_vu = spu_splats( next_src_vu-(float)next_interpl_vu );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1130 vf_next_NSweight_y_upper = spu_splats( next_src_y_upper-(float)next_interpl_y_upper );
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1131 vf_next_NSweight_y_lower = spu_splats( next_src_y_lower-(float)next_interpl_y_lower );
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parents:
diff changeset
1132
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parents:
diff changeset
1133 // get next lines
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1134 next_src_idx = curr_src_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1135 next_dst_idx = curr_dst_idx^1;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1136
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1137 // 4 lines y
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1138 mfc_get( y_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1139 (unsigned int) src_addr_y+(next_interpl_y_upper*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1140 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1141 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1142 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1143 mfc_get( y_plane[next_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1144 (unsigned int) src_addr_y+(next_interpl_y_lower*src_linestride_y),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1145 src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1146 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1147 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1148
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1149 // 2 lines v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1150 mfc_get( v_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1151 (unsigned int) src_addr_v+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1152 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1153 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1154 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1155 // 2 lines u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1156 mfc_get( u_plane[next_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1157 (unsigned int) src_addr_u+(next_interpl_vu*src_linestride_vu),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1158 src_dbl_linestride_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1159 RETR_BUF+next_src_idx,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1160 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1161
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1162 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1163
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1164 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1165 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1166 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1167 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1168 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1169 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1170 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1171 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1172 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1173 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1174 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1175 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1176 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1177 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1178 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1179 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1180 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1181 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1182 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1183 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1184 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1185 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1186 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1187 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1188 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1189 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1190 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1191 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1192 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1193
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1194
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1195
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1196 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1197 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1198 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1199
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1200 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1201 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1202 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1203 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1204 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1205
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1206 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1207 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1208 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1209 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1210 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1211
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1212 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1213 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1214 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1215 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1216 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1217
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1218 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1219 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1220 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1221 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1222 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1223 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1224
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1225
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1226 // update for next cycle
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1227 curr_src_idx = next_src_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1228 curr_dst_idx = next_dst_idx;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1229
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1230 curr_interpl_y_upper = next_interpl_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1231 curr_interpl_y_lower = next_interpl_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1232 curr_interpl_vu = next_interpl_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1233
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1234 vf_curr_NSweight_y_upper = vf_curr_NSweight_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1235 vf_curr_NSweight_y_lower = vf_curr_NSweight_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1236 vf_curr_NSweight_vu = vf_next_NSweight_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1237
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1238 curr_src_y_upper = next_src_y_upper;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1239 curr_src_y_lower = next_src_y_lower;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1240 curr_src_vu = next_src_vu;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1241 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1242
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1243
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1244
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1245 DMA_WAIT_TAG( (RETR_BUF+curr_src_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1246
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1247 // scaling
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1248 // work line y_upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1249 bilinear_scale_line_w16( y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1250 scaled_y_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1251 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1252 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1253 vf_curr_NSweight_y_upper,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1254 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1255 // work line y_lower
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1256 bilinear_scale_line_w16( y_plane[curr_src_idx]+src_dbl_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1257 scaled_y_plane[curr_src_idx]+scaled_src_linestride_y,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1258 dst_width,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1259 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1260 vf_curr_NSweight_y_lower,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1261 src_linestride_y );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1262 // work line v
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1263 bilinear_scale_line_w16( v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1264 scaled_v_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1265 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1266 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1267 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1268 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1269 // work line u
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1270 bilinear_scale_line_w16( u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1271 scaled_u_plane[curr_src_idx],
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1272 dst_width>>1,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1273 vf_x_scale,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1274 vf_curr_NSweight_vu,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1275 src_linestride_vu );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1276
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1277
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1278 // Store the result back to main memory into a destination buffer in YUV format
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1279 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1280 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1281
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1282 // Perform three DMA transfers to 3 different locations in the main memory!
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1283 // dst_width: Pixel width of destination image
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1284 // dst_addr: Destination address in main memory
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1285 // dst_vu: Counter which is incremented one by one
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1286 // dst_y: Counter which is twice larger than dst_vu (dst_y = 2*dst_vu)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1287
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1288 mfc_put( scaled_y_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1289 (unsigned int) dst_addr_main_memory_y + (dst_vu*dst_dbl_linestride_y), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1290 dst_dbl_linestride_y, // Two Y lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1291 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1292 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1293
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1294 mfc_put( scaled_v_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1295 (unsigned int) dst_addr_main_memory_v + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1296 dst_dbl_linestride_vu, // Two V lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1297 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1298 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1299
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1300 mfc_put( scaled_u_plane[curr_src_idx], // What from local store (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1301 (unsigned int) dst_addr_main_memory_u + (dst_vu*dst_dbl_linestride_vu), // Destination in main memory (addr)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1302 dst_dbl_linestride_vu, // Two U lines (depending on the widht of the destination resolution)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1303 STR_BUF+curr_dst_idx, // Tag
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1304 0, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1305
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1306 // wait for completion
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1307 DMA_WAIT_TAG( (STR_BUF+curr_dst_idx) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1308 //---------------------------------------------------------------------------------------------
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1309 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1310
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1311
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1312 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1313 * bilinear_scale_line_w8()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1314 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1315 * processes a line of yuv-input, width has to be a multiple of 8
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1316 * scaled yuv-output is written to local store buffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1317 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1318 * @param src buffer for 2 lines input
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1319 * @param dst_ buffer for 1 line output
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1320 * @param dst_width the width of the destination line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1321 * @param vf_x_scale a float vector, at each entry is the x_scale-factor
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1322 * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1323 * @param src_linestride the stride of the srcline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1324 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1325 void bilinear_scale_line_w8( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1326
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1327 unsigned char* dst = dst_;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1328
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1329 unsigned int dst_x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1330 for( dst_x=0; dst_x<dst_width; dst_x+=8) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1331 // address calculation for loading the 4 surrounding pixel of each calculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1332 // destination pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1333 vector unsigned int vui_dst_x_tmp = spu_splats( dst_x );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1334 // lower range->first 4 pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1335 // upper range->next 4 pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1336 vector unsigned int vui_inc_dst_x_lower_range = { 0, 1, 2, 3 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1337 vector unsigned int vui_inc_dst_x_upper_range = { 4, 5, 6, 7 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1338 vector unsigned int vui_dst_x_lower_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1339 vector unsigned int vui_dst_x_upper_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1340
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1341 // calculate weight EAST-WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1342 vector float vf_dst_x_lower_range = spu_convtf( vui_dst_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1343 vector float vf_dst_x_upper_range = spu_convtf( vui_dst_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1344 vector float vf_src_x_lower_range = spu_mul( vf_dst_x_lower_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1345 vector float vf_src_x_upper_range = spu_mul( vf_dst_x_upper_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1346 vector unsigned int vui_interpl_x_lower_range = spu_convtu( vf_src_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1347 vector unsigned int vui_interpl_x_upper_range = spu_convtu( vf_src_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1348 vector float vf_interpl_x_lower_range = spu_convtf( vui_interpl_x_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1349 vector float vf_interpl_x_upper_range = spu_convtf( vui_interpl_x_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1350 vector float vf_EWweight_lower_range = spu_sub( vf_src_x_lower_range, vf_interpl_x_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1351 vector float vf_EWweight_upper_range = spu_sub( vf_src_x_upper_range, vf_interpl_x_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1352
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1353 // calculate address offset
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1354 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1355 // pixel NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1356 vector unsigned int vui_off_pixelNW_lower_range = vui_interpl_x_lower_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1357 vector unsigned int vui_off_pixelNW_upper_range = vui_interpl_x_upper_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1358
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1359 // pixel NORTH EAST-->(offpixelNW+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1360 vector unsigned int vui_add_1 = { 1, 1, 1, 1 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1361 vector unsigned int vui_off_pixelNE_lower_range = spu_add( vui_off_pixelNW_lower_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1362 vector unsigned int vui_off_pixelNE_upper_range = spu_add( vui_off_pixelNW_upper_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1363
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1364 // SOUTH-WEST-->(offpixelNW+src_linestride)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1365 vector unsigned int vui_srclinestride = spu_splats( src_linestride );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1366 vector unsigned int vui_off_pixelSW_lower_range = spu_add( vui_srclinestride, vui_off_pixelNW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1367 vector unsigned int vui_off_pixelSW_upper_range = spu_add( vui_srclinestride, vui_off_pixelNW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1368
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1369 // SOUTH-EAST-->(offpixelNW+src_linestride+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1370 vector unsigned int vui_off_pixelSE_lower_range = spu_add( vui_srclinestride, vui_off_pixelNE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1371 vector unsigned int vui_off_pixelSE_upper_range = spu_add( vui_srclinestride, vui_off_pixelNE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1372
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1373 // calculate each address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1374 vector unsigned int vui_src_ls = spu_splats( (unsigned int) src );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1375 vector unsigned int vui_addr_pixelNW_lower_range = spu_add( vui_src_ls, vui_off_pixelNW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1376 vector unsigned int vui_addr_pixelNW_upper_range = spu_add( vui_src_ls, vui_off_pixelNW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1377 vector unsigned int vui_addr_pixelNE_lower_range = spu_add( vui_src_ls, vui_off_pixelNE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1378 vector unsigned int vui_addr_pixelNE_upper_range = spu_add( vui_src_ls, vui_off_pixelNE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1379
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1380 vector unsigned int vui_addr_pixelSW_lower_range = spu_add( vui_src_ls, vui_off_pixelSW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1381 vector unsigned int vui_addr_pixelSW_upper_range = spu_add( vui_src_ls, vui_off_pixelSW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1382 vector unsigned int vui_addr_pixelSE_lower_range = spu_add( vui_src_ls, vui_off_pixelSE_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1383 vector unsigned int vui_addr_pixelSE_upper_range = spu_add( vui_src_ls, vui_off_pixelSE_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1384
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1385 // get each pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1386 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1387 // scalar load, afterwards insertion into the right position
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1388 // NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1389 vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1390 vector unsigned char vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1391 *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1392 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1393 *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1394 vuc_pixel_NW_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1395 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1396 *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1397 vuc_pixel_NW_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1398 vuc_pixel_NW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1399 *((unsigned char*) spu_extract( vui_addr_pixelNW_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1400 vuc_pixel_NW_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1401
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1402 vector unsigned char vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1403 *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1404 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1405 *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1406 vuc_pixel_NW_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1407 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1408 *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1409 vuc_pixel_NW_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1410 vuc_pixel_NW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1411 *((unsigned char*) spu_extract( vui_addr_pixelNW_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1412 vuc_pixel_NW_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1413
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1414 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1415 vector unsigned char vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1416 *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1417 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1418 *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1419 vuc_pixel_NE_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1420 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1421 *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1422 vuc_pixel_NE_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1423 vuc_pixel_NE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1424 *((unsigned char*) spu_extract( vui_addr_pixelNE_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1425 vuc_pixel_NE_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1426
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1427 vector unsigned char vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1428 *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1429 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1430 *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1431 vuc_pixel_NE_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1432 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1433 *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1434 vuc_pixel_NE_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1435 vuc_pixel_NE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1436 *((unsigned char*) spu_extract( vui_addr_pixelNE_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1437 vuc_pixel_NE_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1438
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1439
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1440 // SOUTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1441 vector unsigned char vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1442 *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1443 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1444 *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1445 vuc_pixel_SW_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1446 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1447 *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1448 vuc_pixel_SW_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1449 vuc_pixel_SW_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1450 *((unsigned char*) spu_extract( vui_addr_pixelSW_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1451 vuc_pixel_SW_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1452
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1453 vector unsigned char vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1454 *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1455 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1456 *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1457 vuc_pixel_SW_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1458 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1459 *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1460 vuc_pixel_SW_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1461 vuc_pixel_SW_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1462 *((unsigned char*) spu_extract( vui_addr_pixelSW_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1463 vuc_pixel_SW_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1464
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1465 // SOUTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1466 vector unsigned char vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1467 *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1468 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1469 *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1470 vuc_pixel_SE_lower_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1471 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1472 *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1473 vuc_pixel_SE_lower_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1474 vuc_pixel_SE_lower_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1475 *((unsigned char*) spu_extract( vui_addr_pixelSE_lower_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1476 vuc_pixel_SE_lower_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1477
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1478 vector unsigned char vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1479 *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1480 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1481 *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1482 vuc_pixel_SE_upper_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1483 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1484 *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1485 vuc_pixel_SE_upper_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1486 vuc_pixel_SE_upper_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1487 *((unsigned char*) spu_extract( vui_addr_pixelSE_upper_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1488 vuc_pixel_SE_upper_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1489
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1490
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1491 // convert to float
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1492 vector float vf_pixel_NW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1493 vector float vf_pixel_NW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1494
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1495 vector float vf_pixel_SW_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1496 vector float vf_pixel_SW_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1497
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1498 vector float vf_pixel_NE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1499 vector float vf_pixel_NE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1500
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1501 vector float vf_pixel_SE_lower_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_lower_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1502 vector float vf_pixel_SE_upper_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_upper_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1503
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1504
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1505
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1506 // first linear interpolation: EWtop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1507 // EWtop = NW + EWweight*(NE-NW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1508 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1509 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1510 vector float vf_EWtop_lower_range_tmp = spu_sub( vf_pixel_NE_lower_range, vf_pixel_NW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1511 vector float vf_EWtop_lower_range = spu_madd( vf_EWweight_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1512 vf_EWtop_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1513 vf_pixel_NW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1514
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1515 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1516 vector float vf_EWtop_upper_range_tmp = spu_sub( vf_pixel_NE_upper_range, vf_pixel_NW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1517 vector float vf_EWtop_upper_range = spu_madd( vf_EWweight_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1518 vf_EWtop_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1519 vf_pixel_NW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1520
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1521
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1522
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1523 // second linear interpolation: EWbottom
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1524 // EWbottom = SW + EWweight*(SE-SW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1525 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1526 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1527 vector float vf_EWbottom_lower_range_tmp = spu_sub( vf_pixel_SE_lower_range, vf_pixel_SW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1528 vector float vf_EWbottom_lower_range = spu_madd( vf_EWweight_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1529 vf_EWbottom_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1530 vf_pixel_SW_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1531
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1532 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1533 vector float vf_EWbottom_upper_range_tmp = spu_sub( vf_pixel_SE_upper_range, vf_pixel_SW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1534 vector float vf_EWbottom_upper_range = spu_madd( vf_EWweight_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1535 vf_EWbottom_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1536 vf_pixel_SW_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1537
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1538
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1539
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1540 // third linear interpolation: the bilinear interpolated value
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1541 // result = EWtop + NSweight*(EWbottom-EWtop);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1542 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1543 // lower range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1544 vector float vf_result_lower_range_tmp = spu_sub( vf_EWbottom_lower_range, vf_EWtop_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1545 vector float vf_result_lower_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1546 vf_result_lower_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1547 vf_EWtop_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1548
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1549 // upper range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1550 vector float vf_result_upper_range_tmp = spu_sub( vf_EWbottom_upper_range, vf_EWtop_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1551 vector float vf_result_upper_range = spu_madd( vf_NSweight,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1552 vf_result_upper_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1553 vf_EWtop_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1554
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1555
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1556 // convert back: using saturated arithmetic
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1557 vector unsigned int vui_result_lower_range = vfloat_to_vuint( vf_result_lower_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1558 vector unsigned int vui_result_upper_range = vfloat_to_vuint( vf_result_upper_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1559
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1560 // merge results->lower,upper
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1561 vector unsigned char vuc_mask_merge_result = { 0x03, 0x07, 0x0B, 0x0F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1562 0x13, 0x17, 0x1B, 0x1F,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1563 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1564 0x00, 0x00, 0x00, 0x00 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1565
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1566 vector unsigned char vuc_result = spu_shuffle( (vector unsigned char) vui_result_lower_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1567 (vector unsigned char) vui_result_upper_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1568 vuc_mask_merge_result );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1569
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1570 // partial storing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1571 vector unsigned char vuc_mask_out = { 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1572 0x00, 0x00, 0x00, 0x00,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1573 0xFF, 0xFF, 0xFF, 0xFF,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1574 0xFF, 0xFF, 0xFF, 0xFF };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1575
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1576
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1577 // get currently stored data
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1578 vector unsigned char vuc_orig = *((vector unsigned char*)dst);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1579
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1580 // clear currently stored data
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1581 vuc_orig = spu_and( vuc_orig,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1582 spu_rlqwbyte( vuc_mask_out, ((unsigned int)dst)&0x0F) );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1583
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1584 // rotate result according to storing address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1585 vuc_result = spu_rlqwbyte( vuc_result, ((unsigned int)dst)&0x0F );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1586
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1587 // store result
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1588 *((vector unsigned char*)dst) = spu_or( vuc_result,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1589 vuc_orig );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1590 dst += 8;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1591 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1592 }
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1593
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1594
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1595 /*
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1596 * bilinear_scale_line_w16()
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1597 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1598 * processes a line of yuv-input, width has to be a multiple of 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1599 * scaled yuv-output is written to local store buffer
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1600 *
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1601 * @param src buffer for 2 lines input
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1602 * @param dst_ buffer for 1 line output
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1603 * @param dst_width the width of the destination line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1604 * @param vf_x_scale a float vector, at each entry is the x_scale-factor
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1605 * @param vf_NSweight a float vector, at each position is the weight NORTH/SOUTH for the current line
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1606 * @param src_linestride the stride of the srcline
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1607 */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1608 void bilinear_scale_line_w16( unsigned char* src, unsigned char* dst_, unsigned int dst_width, vector float vf_x_scale, vector float vf_NSweight, unsigned int src_linestride ) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1609
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1610 unsigned char* dst = dst_;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1611
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1612 unsigned int dst_x;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1613 for( dst_x=0; dst_x<dst_width; dst_x+=16) {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1614 // address calculation for loading the 4 surrounding pixel of each calculated
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1615 // destination pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1616 vector unsigned int vui_dst_x_tmp = spu_splats( dst_x );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1617 // parallelised processing
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1618 // first range->pixel 1 2 3 4
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1619 // second range->pixel 5 6 7 8
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1620 // third range->pixel 9 10 11 12
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1621 // fourth range->pixel 13 14 15 16
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1622 vector unsigned int vui_inc_dst_x_first_range = { 0, 1, 2, 3 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1623 vector unsigned int vui_inc_dst_x_second_range = { 4, 5, 6, 7 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1624 vector unsigned int vui_inc_dst_x_third_range = { 8, 9, 10, 11 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1625 vector unsigned int vui_inc_dst_x_fourth_range = { 12, 13, 14, 15 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1626 vector unsigned int vui_dst_x_first_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1627 vector unsigned int vui_dst_x_second_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1628 vector unsigned int vui_dst_x_third_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1629 vector unsigned int vui_dst_x_fourth_range = spu_add( vui_dst_x_tmp, vui_inc_dst_x_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1630
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1631 // calculate weight EAST-WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1632 vector float vf_dst_x_first_range = spu_convtf( vui_dst_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1633 vector float vf_dst_x_second_range = spu_convtf( vui_dst_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1634 vector float vf_dst_x_third_range = spu_convtf( vui_dst_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1635 vector float vf_dst_x_fourth_range = spu_convtf( vui_dst_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1636 vector float vf_src_x_first_range = spu_mul( vf_dst_x_first_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1637 vector float vf_src_x_second_range = spu_mul( vf_dst_x_second_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1638 vector float vf_src_x_third_range = spu_mul( vf_dst_x_third_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1639 vector float vf_src_x_fourth_range = spu_mul( vf_dst_x_fourth_range, vf_x_scale );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1640 vector unsigned int vui_interpl_x_first_range = spu_convtu( vf_src_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1641 vector unsigned int vui_interpl_x_second_range = spu_convtu( vf_src_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1642 vector unsigned int vui_interpl_x_third_range = spu_convtu( vf_src_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1643 vector unsigned int vui_interpl_x_fourth_range = spu_convtu( vf_src_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1644 vector float vf_interpl_x_first_range = spu_convtf( vui_interpl_x_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1645 vector float vf_interpl_x_second_range = spu_convtf( vui_interpl_x_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1646 vector float vf_interpl_x_third_range = spu_convtf( vui_interpl_x_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1647 vector float vf_interpl_x_fourth_range = spu_convtf( vui_interpl_x_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1648 vector float vf_EWweight_first_range = spu_sub( vf_src_x_first_range, vf_interpl_x_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1649 vector float vf_EWweight_second_range = spu_sub( vf_src_x_second_range, vf_interpl_x_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1650 vector float vf_EWweight_third_range = spu_sub( vf_src_x_third_range, vf_interpl_x_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1651 vector float vf_EWweight_fourth_range = spu_sub( vf_src_x_fourth_range, vf_interpl_x_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1652
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1653 // calculate address offset
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1654 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1655 // pixel NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1656 vector unsigned int vui_off_pixelNW_first_range = vui_interpl_x_first_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1657 vector unsigned int vui_off_pixelNW_second_range = vui_interpl_x_second_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1658 vector unsigned int vui_off_pixelNW_third_range = vui_interpl_x_third_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1659 vector unsigned int vui_off_pixelNW_fourth_range = vui_interpl_x_fourth_range;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1660
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1661 // pixel NORTH EAST-->(offpixelNW+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1662 vector unsigned int vui_add_1 = { 1, 1, 1, 1 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1663 vector unsigned int vui_off_pixelNE_first_range = spu_add( vui_off_pixelNW_first_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1664 vector unsigned int vui_off_pixelNE_second_range = spu_add( vui_off_pixelNW_second_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1665 vector unsigned int vui_off_pixelNE_third_range = spu_add( vui_off_pixelNW_third_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1666 vector unsigned int vui_off_pixelNE_fourth_range = spu_add( vui_off_pixelNW_fourth_range, vui_add_1 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1667
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1668 // SOUTH-WEST-->(offpixelNW+src_linestride)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1669 vector unsigned int vui_srclinestride = spu_splats( src_linestride );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1670 vector unsigned int vui_off_pixelSW_first_range = spu_add( vui_srclinestride, vui_off_pixelNW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1671 vector unsigned int vui_off_pixelSW_second_range = spu_add( vui_srclinestride, vui_off_pixelNW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1672 vector unsigned int vui_off_pixelSW_third_range = spu_add( vui_srclinestride, vui_off_pixelNW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1673 vector unsigned int vui_off_pixelSW_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1674
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1675 // SOUTH-EAST-->(offpixelNW+src_linestride+1)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1676 vector unsigned int vui_off_pixelSE_first_range = spu_add( vui_srclinestride, vui_off_pixelNE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1677 vector unsigned int vui_off_pixelSE_second_range = spu_add( vui_srclinestride, vui_off_pixelNE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1678 vector unsigned int vui_off_pixelSE_third_range = spu_add( vui_srclinestride, vui_off_pixelNE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1679 vector unsigned int vui_off_pixelSE_fourth_range = spu_add( vui_srclinestride, vui_off_pixelNE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1680
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1681 // calculate each address
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1682 vector unsigned int vui_src_ls = spu_splats( (unsigned int) src );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1683 vector unsigned int vui_addr_pixelNW_first_range = spu_add( vui_src_ls, vui_off_pixelNW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1684 vector unsigned int vui_addr_pixelNW_second_range = spu_add( vui_src_ls, vui_off_pixelNW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1685 vector unsigned int vui_addr_pixelNW_third_range = spu_add( vui_src_ls, vui_off_pixelNW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1686 vector unsigned int vui_addr_pixelNW_fourth_range = spu_add( vui_src_ls, vui_off_pixelNW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1687
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1688 vector unsigned int vui_addr_pixelNE_first_range = spu_add( vui_src_ls, vui_off_pixelNE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1689 vector unsigned int vui_addr_pixelNE_second_range = spu_add( vui_src_ls, vui_off_pixelNE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1690 vector unsigned int vui_addr_pixelNE_third_range = spu_add( vui_src_ls, vui_off_pixelNE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1691 vector unsigned int vui_addr_pixelNE_fourth_range = spu_add( vui_src_ls, vui_off_pixelNE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1692
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1693 vector unsigned int vui_addr_pixelSW_first_range = spu_add( vui_src_ls, vui_off_pixelSW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1694 vector unsigned int vui_addr_pixelSW_second_range = spu_add( vui_src_ls, vui_off_pixelSW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1695 vector unsigned int vui_addr_pixelSW_third_range = spu_add( vui_src_ls, vui_off_pixelSW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1696 vector unsigned int vui_addr_pixelSW_fourth_range = spu_add( vui_src_ls, vui_off_pixelSW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1697
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1698 vector unsigned int vui_addr_pixelSE_first_range = spu_add( vui_src_ls, vui_off_pixelSE_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1699 vector unsigned int vui_addr_pixelSE_second_range = spu_add( vui_src_ls, vui_off_pixelSE_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1700 vector unsigned int vui_addr_pixelSE_third_range = spu_add( vui_src_ls, vui_off_pixelSE_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1701 vector unsigned int vui_addr_pixelSE_fourth_range = spu_add( vui_src_ls, vui_off_pixelSE_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1702
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1703
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1704 // get each pixel
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1705 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1706 // scalar load, afterwards insertion into the right position
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1707 // NORTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1708 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1709 vector unsigned char null_vector = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1710 vector unsigned char vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1711 *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1712 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1713 *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1714 vuc_pixel_NW_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1715 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1716 *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1717 vuc_pixel_NW_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1718 vuc_pixel_NW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1719 *((unsigned char*) spu_extract( vui_addr_pixelNW_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1720 vuc_pixel_NW_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1721 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1722 vector unsigned char vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1723 *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1724 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1725 *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1726 vuc_pixel_NW_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1727 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1728 *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1729 vuc_pixel_NW_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1730 vuc_pixel_NW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1731 *((unsigned char*) spu_extract( vui_addr_pixelNW_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1732 vuc_pixel_NW_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1733 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1734 vector unsigned char vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1735 *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1736 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1737 *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1738 vuc_pixel_NW_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1739 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1740 *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1741 vuc_pixel_NW_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1742 vuc_pixel_NW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1743 *((unsigned char*) spu_extract( vui_addr_pixelNW_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1744 vuc_pixel_NW_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1745 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1746 vector unsigned char vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1747 *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1748 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1749 *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1750 vuc_pixel_NW_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1751 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1752 *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1753 vuc_pixel_NW_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1754 vuc_pixel_NW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1755 *((unsigned char*) spu_extract( vui_addr_pixelNW_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1756 vuc_pixel_NW_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1757
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1758 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1759 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1760 vector unsigned char vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1761 *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1762 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1763 *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1764 vuc_pixel_NE_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1765 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1766 *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1767 vuc_pixel_NE_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1768 vuc_pixel_NE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1769 *((unsigned char*) spu_extract( vui_addr_pixelNE_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1770 vuc_pixel_NE_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1771 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1772 vector unsigned char vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1773 *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1774 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1775 *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1776 vuc_pixel_NE_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1777 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1778 *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1779 vuc_pixel_NE_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1780 vuc_pixel_NE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1781 *((unsigned char*) spu_extract( vui_addr_pixelNE_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1782 vuc_pixel_NE_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1783 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1784 vector unsigned char vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1785 *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1786 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1787 *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1788 vuc_pixel_NE_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1789 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1790 *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1791 vuc_pixel_NE_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1792 vuc_pixel_NE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1793 *((unsigned char*) spu_extract( vui_addr_pixelNE_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1794 vuc_pixel_NE_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1795 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1796 vector unsigned char vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1797 *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1798 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1799 *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1800 vuc_pixel_NE_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1801 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1802 *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1803 vuc_pixel_NE_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1804 vuc_pixel_NE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1805 *((unsigned char*) spu_extract( vui_addr_pixelNE_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1806 vuc_pixel_NE_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1807
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1808 // SOUTH WEST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1809 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1810 vector unsigned char vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1811 *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1812 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1813 *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1814 vuc_pixel_SW_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1815 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1816 *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1817 vuc_pixel_SW_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1818 vuc_pixel_SW_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1819 *((unsigned char*) spu_extract( vui_addr_pixelSW_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1820 vuc_pixel_SW_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1821 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1822 vector unsigned char vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1823 *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1824 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1825 *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1826 vuc_pixel_SW_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1827 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1828 *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1829 vuc_pixel_SW_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1830 vuc_pixel_SW_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1831 *((unsigned char*) spu_extract( vui_addr_pixelSW_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1832 vuc_pixel_SW_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1833 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1834 vector unsigned char vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1835 *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1836 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1837 *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1838 vuc_pixel_SW_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1839 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1840 *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1841 vuc_pixel_SW_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1842 vuc_pixel_SW_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1843 *((unsigned char*) spu_extract( vui_addr_pixelSW_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1844 vuc_pixel_SW_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1845 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1846 vector unsigned char vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1847 *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1848 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1849 *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1850 vuc_pixel_SW_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1851 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1852 *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1853 vuc_pixel_SW_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1854 vuc_pixel_SW_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1855 *((unsigned char*) spu_extract( vui_addr_pixelSW_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1856 vuc_pixel_SW_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1857
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1858 // NORTH EAST
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1859 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1860 vector unsigned char vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1861 *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1862 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1863 *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1864 vuc_pixel_SE_first_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1865 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1866 *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1867 vuc_pixel_SE_first_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1868 vuc_pixel_SE_first_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1869 *((unsigned char*) spu_extract( vui_addr_pixelSE_first_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1870 vuc_pixel_SE_first_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1871 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1872 vector unsigned char vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1873 *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1874 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1875 *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1876 vuc_pixel_SE_second_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1877 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1878 *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1879 vuc_pixel_SE_second_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1880 vuc_pixel_SE_second_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1881 *((unsigned char*) spu_extract( vui_addr_pixelSE_second_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1882 vuc_pixel_SE_second_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1883 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1884 vector unsigned char vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1885 *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1886 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1887 *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1888 vuc_pixel_SE_third_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1889 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1890 *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1891 vuc_pixel_SE_third_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1892 vuc_pixel_SE_third_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1893 *((unsigned char*) spu_extract( vui_addr_pixelSE_third_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1894 vuc_pixel_SE_third_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1895 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1896 vector unsigned char vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1897 *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 0 )), null_vector, 3 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1898 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1899 *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 1 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1900 vuc_pixel_SE_fourth_range, 7 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1901 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1902 *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 2 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1903 vuc_pixel_SE_fourth_range, 11 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1904 vuc_pixel_SE_fourth_range = spu_insert(
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1905 *((unsigned char*) spu_extract( vui_addr_pixelSE_fourth_range, 3 )),
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1906 vuc_pixel_SE_fourth_range, 15 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1907
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1908
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1909
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1910 // convert to float
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1911 vector float vf_pixel_NW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1912 vector float vf_pixel_NW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1913 vector float vf_pixel_NW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1914 vector float vf_pixel_NW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NW_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1915
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1916 vector float vf_pixel_NE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1917 vector float vf_pixel_NE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1918 vector float vf_pixel_NE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1919 vector float vf_pixel_NE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_NE_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1920
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1921 vector float vf_pixel_SW_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1922 vector float vf_pixel_SW_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1923 vector float vf_pixel_SW_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1924 vector float vf_pixel_SW_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SW_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1925
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1926 vector float vf_pixel_SE_first_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_first_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1927 vector float vf_pixel_SE_second_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_second_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1928 vector float vf_pixel_SE_third_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_third_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1929 vector float vf_pixel_SE_fourth_range = spu_convtf( (vector unsigned int) vuc_pixel_SE_fourth_range, 0 );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1930
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1931 // first linear interpolation: EWtop
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1932 // EWtop = NW + EWweight*(NE-NW)
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1933 //
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1934 // first range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1935 vector float vf_EWtop_first_range_tmp = spu_sub( vf_pixel_NE_first_range, vf_pixel_NW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1936 vector float vf_EWtop_first_range = spu_madd( vf_EWweight_first_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1937 vf_EWtop_first_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1938 vf_pixel_NW_first_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1939
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1940 // second range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1941 vector float vf_EWtop_second_range_tmp = spu_sub( vf_pixel_NE_second_range, vf_pixel_NW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1942 vector float vf_EWtop_second_range = spu_madd( vf_EWweight_second_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1943 vf_EWtop_second_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1944 vf_pixel_NW_second_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1945
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1946 // third range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1947 vector float vf_EWtop_third_range_tmp = spu_sub( vf_pixel_NE_third_range, vf_pixel_NW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1948 vector float vf_EWtop_third_range = spu_madd( vf_EWweight_third_range,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1949 vf_EWtop_third_range_tmp,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1950 vf_pixel_NW_third_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1951
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1952 // fourth range
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1953 vector float vf_EWtop_fourth_range_tmp = spu_sub( vf_pixel_NE_fourth_range, vf_pixel_NW_fourth_range );
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1954 vector float vf_EWtop_fourth_range = spu_madd( vf_EWweight_fourth_range,
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diff changeset
1955 vf_EWtop_fourth_range_tmp,
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diff changeset
1956 vf_pixel_NW_fourth_range );
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diff changeset
1957
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diff changeset
1958
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diff changeset
1959
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diff changeset
1960 // second linear interpolation: EWbottom
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diff changeset
1961 // EWbottom = SW + EWweight*(SE-SW)
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1962 //
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1963 // first range
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1964 vector float vf_EWbottom_first_range_tmp = spu_sub( vf_pixel_SE_first_range, vf_pixel_SW_first_range );
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diff changeset
1965 vector float vf_EWbottom_first_range = spu_madd( vf_EWweight_first_range,
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diff changeset
1966 vf_EWbottom_first_range_tmp,
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diff changeset
1967 vf_pixel_SW_first_range );
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diff changeset
1968
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diff changeset
1969 // second range
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1970 vector float vf_EWbottom_second_range_tmp = spu_sub( vf_pixel_SE_second_range, vf_pixel_SW_second_range );
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1971 vector float vf_EWbottom_second_range = spu_madd( vf_EWweight_second_range,
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diff changeset
1972 vf_EWbottom_second_range_tmp,
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diff changeset
1973 vf_pixel_SW_second_range );
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diff changeset
1974 // first range
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diff changeset
1975 vector float vf_EWbottom_third_range_tmp = spu_sub( vf_pixel_SE_third_range, vf_pixel_SW_third_range );
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diff changeset
1976 vector float vf_EWbottom_third_range = spu_madd( vf_EWweight_third_range,
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diff changeset
1977 vf_EWbottom_third_range_tmp,
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diff changeset
1978 vf_pixel_SW_third_range );
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1979
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1980 // first range
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1981 vector float vf_EWbottom_fourth_range_tmp = spu_sub( vf_pixel_SE_fourth_range, vf_pixel_SW_fourth_range );
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diff changeset
1982 vector float vf_EWbottom_fourth_range = spu_madd( vf_EWweight_fourth_range,
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diff changeset
1983 vf_EWbottom_fourth_range_tmp,
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diff changeset
1984 vf_pixel_SW_fourth_range );
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diff changeset
1985
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diff changeset
1986
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diff changeset
1987
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diff changeset
1988 // third linear interpolation: the bilinear interpolated value
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diff changeset
1989 // result = EWtop + NSweight*(EWbottom-EWtop);
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diff changeset
1990 //
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1991 // first range
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diff changeset
1992 vector float vf_result_first_range_tmp = spu_sub( vf_EWbottom_first_range, vf_EWtop_first_range );
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diff changeset
1993 vector float vf_result_first_range = spu_madd( vf_NSweight,
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diff changeset
1994 vf_result_first_range_tmp,
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diff changeset
1995 vf_EWtop_first_range );
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diff changeset
1996
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1997 // second range
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diff changeset
1998 vector float vf_result_second_range_tmp = spu_sub( vf_EWbottom_second_range, vf_EWtop_second_range );
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diff changeset
1999 vector float vf_result_second_range = spu_madd( vf_NSweight,
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diff changeset
2000 vf_result_second_range_tmp,
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diff changeset
2001 vf_EWtop_second_range );
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diff changeset
2002
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2003 // third range
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2004 vector float vf_result_third_range_tmp = spu_sub( vf_EWbottom_third_range, vf_EWtop_third_range );
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diff changeset
2005 vector float vf_result_third_range = spu_madd( vf_NSweight,
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diff changeset
2006 vf_result_third_range_tmp,
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diff changeset
2007 vf_EWtop_third_range );
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diff changeset
2008
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2009 // fourth range
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diff changeset
2010 vector float vf_result_fourth_range_tmp = spu_sub( vf_EWbottom_fourth_range, vf_EWtop_fourth_range );
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diff changeset
2011 vector float vf_result_fourth_range = spu_madd( vf_NSweight,
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diff changeset
2012 vf_result_fourth_range_tmp,
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diff changeset
2013 vf_EWtop_fourth_range );
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diff changeset
2014
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diff changeset
2015
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diff changeset
2016
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diff changeset
2017 // convert back: using saturated arithmetic
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2018 vector unsigned int vui_result_first_range = vfloat_to_vuint( vf_result_first_range );
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2019 vector unsigned int vui_result_second_range = vfloat_to_vuint( vf_result_second_range );
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2020 vector unsigned int vui_result_third_range = vfloat_to_vuint( vf_result_third_range );
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diff changeset
2021 vector unsigned int vui_result_fourth_range = vfloat_to_vuint( vf_result_fourth_range );
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diff changeset
2022
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2023 // merge results->lower,upper
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2024 vector unsigned char vuc_mask_merge_result_first_second = { 0x03, 0x07, 0x0B, 0x0F,
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diff changeset
2025 0x13, 0x17, 0x1B, 0x1F,
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diff changeset
2026 0x00, 0x00, 0x00, 0x00,
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diff changeset
2027 0x00, 0x00, 0x00, 0x00 };
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diff changeset
2028
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diff changeset
2029 vector unsigned char vuc_mask_merge_result_third_fourth = { 0x00, 0x00, 0x00, 0x00,
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diff changeset
2030 0x00, 0x00, 0x00, 0x00,
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diff changeset
2031 0x03, 0x07, 0x0B, 0x0F,
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diff changeset
2032 0x13, 0x17, 0x1B, 0x1F };
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diff changeset
2033
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diff changeset
2034 vector unsigned char vuc_result_first_second =
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diff changeset
2035 spu_shuffle( (vector unsigned char) vui_result_first_range,
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diff changeset
2036 (vector unsigned char) vui_result_second_range,
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diff changeset
2037 vuc_mask_merge_result_first_second );
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diff changeset
2038
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diff changeset
2039 vector unsigned char vuc_result_third_fourth =
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diff changeset
2040 spu_shuffle( (vector unsigned char) vui_result_third_range,
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diff changeset
2041 (vector unsigned char) vui_result_fourth_range,
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diff changeset
2042 vuc_mask_merge_result_third_fourth );
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diff changeset
2043
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2044 // store result
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2045 *((vector unsigned char*)dst) = spu_or( vuc_result_first_second,
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diff changeset
2046 vuc_result_third_fourth );
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diff changeset
2047 dst += 16;
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diff changeset
2048 }
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diff changeset
2049 }
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diff changeset
2050