Mercurial > sdl-ios-xcode
annotate src/video/SDL_yuv_sw.c @ 1680:9488fca10677 SDL-1.3
Dummy video driver works again in high color video modes. Yay!
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 14 Jun 2006 08:41:13 +0000 |
| parents | 153477a6cc31 |
| children | c4aa1a2f48f1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
|
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
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24 #if 0 /* TODO */ |
| 0 | 25 /* This is the software implementation of the YUV video overlay support */ |
| 26 | |
| 27 /* This code was derived from code carrying the following copyright notices: | |
| 28 | |
| 29 * Copyright (c) 1995 The Regents of the University of California. | |
| 30 * All rights reserved. | |
| 31 * | |
| 32 * Permission to use, copy, modify, and distribute this software and its | |
| 33 * documentation for any purpose, without fee, and without written agreement is | |
| 34 * hereby granted, provided that the above copyright notice and the following | |
| 35 * two paragraphs appear in all copies of this software. | |
| 36 * | |
| 37 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR | |
| 38 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT | |
| 39 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF | |
| 40 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 41 * | |
| 42 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, | |
| 43 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | |
| 44 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS | |
| 45 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO | |
| 46 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
| 47 | |
| 48 * Copyright (c) 1995 Erik Corry | |
| 49 * All rights reserved. | |
| 50 * | |
| 51 * Permission to use, copy, modify, and distribute this software and its | |
| 52 * documentation for any purpose, without fee, and without written agreement is | |
| 53 * hereby granted, provided that the above copyright notice and the following | |
| 54 * two paragraphs appear in all copies of this software. | |
| 55 * | |
| 56 * IN NO EVENT SHALL ERIK CORRY BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, | |
| 57 * SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF | |
| 58 * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF ERIK CORRY HAS BEEN ADVISED | |
| 59 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 60 * | |
| 61 * ERIK CORRY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT | |
| 62 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 63 * PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" | |
| 64 * BASIS, AND ERIK CORRY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, | |
| 65 * UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
| 66 | |
| 67 * Portions of this software Copyright (c) 1995 Brown University. | |
| 68 * All rights reserved. | |
| 69 * | |
| 70 * Permission to use, copy, modify, and distribute this software and its | |
| 71 * documentation for any purpose, without fee, and without written agreement | |
| 72 * is hereby granted, provided that the above copyright notice and the | |
| 73 * following two paragraphs appear in all copies of this software. | |
| 74 * | |
| 75 * IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR | |
| 76 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT | |
| 77 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN | |
| 78 * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 79 * | |
| 80 * BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT | |
| 81 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 82 * PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" | |
| 83 * BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, | |
| 84 * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
| 85 */ | |
| 86 | |
| 87 #include "SDL_video.h" | |
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88 #include "SDL_cpuinfo.h" |
| 0 | 89 #include "SDL_stretch_c.h" |
| 90 #include "SDL_yuvfuncs.h" | |
| 91 #include "SDL_yuv_sw_c.h" | |
| 92 | |
| 93 /* The functions used to manipulate software video overlays */ | |
| 94 static struct private_yuvhwfuncs sw_yuvfuncs = { | |
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95 SDL_LockYUV_SW, |
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96 SDL_UnlockYUV_SW, |
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97 SDL_DisplayYUV_SW, |
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98 SDL_FreeYUV_SW |
| 0 | 99 }; |
| 100 | |
| 101 /* RGB conversion lookup tables */ | |
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102 struct private_yuvhwdata |
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103 { |
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104 SDL_Surface *stretch; |
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105 SDL_Surface *display; |
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106 Uint8 *pixels; |
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107 int *colortab; |
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108 Uint32 *rgb_2_pix; |
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109 void (*Display1X) (int *colortab, Uint32 * rgb_2_pix, |
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110 unsigned char *lum, unsigned char *cr, |
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111 unsigned char *cb, unsigned char *out, |
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112 int rows, int cols, int mod); |
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113 void (*Display2X) (int *colortab, Uint32 * rgb_2_pix, |
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114 unsigned char *lum, unsigned char *cr, |
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115 unsigned char *cb, unsigned char *out, |
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116 int rows, int cols, int mod); |
| 0 | 117 |
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118 /* These are just so we don't have to allocate them separately */ |
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119 Uint16 pitches[3]; |
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120 Uint8 *planes[3]; |
| 0 | 121 }; |
| 122 | |
| 123 | |
| 124 /* The colorspace conversion functions */ | |
| 125 | |
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126 #if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */ |
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127 extern void Color565DitherYV12MMX1X(int *colortab, Uint32 * rgb_2_pix, |
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128 unsigned char *lum, unsigned char *cr, |
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129 unsigned char *cb, unsigned char *out, |
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130 int rows, int cols, int mod); |
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131 extern void ColorRGBDitherYV12MMX1X(int *colortab, Uint32 * rgb_2_pix, |
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132 unsigned char *lum, unsigned char *cr, |
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133 unsigned char *cb, unsigned char *out, |
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134 int rows, int cols, int mod); |
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135 #endif |
| 0 | 136 |
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137 static void |
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138 Color16DitherYV12Mod1X(int *colortab, Uint32 * rgb_2_pix, |
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139 unsigned char *lum, unsigned char *cr, |
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140 unsigned char *cb, unsigned char *out, |
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141 int rows, int cols, int mod) |
| 0 | 142 { |
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143 unsigned short *row1; |
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144 unsigned short *row2; |
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145 unsigned char *lum2; |
| 0 | 146 int x, y; |
| 147 int cr_r; | |
| 148 int crb_g; | |
| 149 int cb_b; | |
| 150 int cols_2 = cols / 2; | |
| 151 | |
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152 row1 = (unsigned short *) out; |
| 0 | 153 row2 = row1 + cols + mod; |
| 154 lum2 = lum + cols; | |
| 155 | |
| 156 mod += cols + mod; | |
| 157 | |
| 158 y = rows / 2; | |
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159 while (y--) { |
| 0 | 160 x = cols_2; |
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161 while (x--) { |
| 0 | 162 register int L; |
| 163 | |
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164 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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165 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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166 + colortab[*cb + 2 * 256]; |
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167 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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168 ++cr; |
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169 ++cb; |
| 0 | 170 |
| 171 L = *lum++; | |
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172 *row1++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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173 rgb_2_pix[L + crb_g] | |
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174 rgb_2_pix[L + cb_b]); |
| 0 | 175 |
| 176 L = *lum++; | |
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177 *row1++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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178 rgb_2_pix[L + crb_g] | |
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179 rgb_2_pix[L + cb_b]); |
| 0 | 180 |
| 181 | |
| 182 /* Now, do second row. */ | |
| 183 | |
| 184 L = *lum2++; | |
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185 *row2++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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186 rgb_2_pix[L + crb_g] | |
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187 rgb_2_pix[L + cb_b]); |
| 0 | 188 |
| 189 L = *lum2++; | |
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190 *row2++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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191 rgb_2_pix[L + crb_g] | |
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192 rgb_2_pix[L + cb_b]); |
| 0 | 193 } |
| 194 | |
| 195 /* | |
| 196 * These values are at the start of the next line, (due | |
| 197 * to the ++'s above),but they need to be at the start | |
| 198 * of the line after that. | |
| 199 */ | |
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200 lum += cols; |
| 0 | 201 lum2 += cols; |
| 202 row1 += mod; | |
| 203 row2 += mod; | |
| 204 } | |
| 205 } | |
| 206 | |
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207 static void |
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208 Color24DitherYV12Mod1X(int *colortab, Uint32 * rgb_2_pix, |
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209 unsigned char *lum, unsigned char *cr, |
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210 unsigned char *cb, unsigned char *out, |
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211 int rows, int cols, int mod) |
| 0 | 212 { |
| 213 unsigned int value; | |
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214 unsigned char *row1; |
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215 unsigned char *row2; |
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216 unsigned char *lum2; |
| 0 | 217 int x, y; |
| 218 int cr_r; | |
| 219 int crb_g; | |
| 220 int cb_b; | |
| 221 int cols_2 = cols / 2; | |
| 222 | |
| 223 row1 = out; | |
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224 row2 = row1 + cols * 3 + mod * 3; |
| 0 | 225 lum2 = lum + cols; |
| 226 | |
| 227 mod += cols + mod; | |
| 228 mod *= 3; | |
| 229 | |
| 230 y = rows / 2; | |
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231 while (y--) { |
| 0 | 232 x = cols_2; |
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233 while (x--) { |
| 0 | 234 register int L; |
| 235 | |
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236 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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237 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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238 + colortab[*cb + 2 * 256]; |
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239 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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240 ++cr; |
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241 ++cb; |
| 0 | 242 |
| 243 L = *lum++; | |
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244 value = (rgb_2_pix[L + cr_r] | |
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245 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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246 *row1++ = (value) & 0xFF; |
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247 *row1++ = (value >> 8) & 0xFF; |
| 0 | 248 *row1++ = (value >> 16) & 0xFF; |
| 249 | |
| 250 L = *lum++; | |
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251 value = (rgb_2_pix[L + cr_r] | |
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252 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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253 *row1++ = (value) & 0xFF; |
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254 *row1++ = (value >> 8) & 0xFF; |
| 0 | 255 *row1++ = (value >> 16) & 0xFF; |
| 256 | |
| 257 | |
| 258 /* Now, do second row. */ | |
| 259 | |
| 260 L = *lum2++; | |
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261 value = (rgb_2_pix[L + cr_r] | |
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262 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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263 *row2++ = (value) & 0xFF; |
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264 *row2++ = (value >> 8) & 0xFF; |
| 0 | 265 *row2++ = (value >> 16) & 0xFF; |
| 266 | |
| 267 L = *lum2++; | |
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268 value = (rgb_2_pix[L + cr_r] | |
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269 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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270 *row2++ = (value) & 0xFF; |
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271 *row2++ = (value >> 8) & 0xFF; |
| 0 | 272 *row2++ = (value >> 16) & 0xFF; |
| 273 } | |
| 274 | |
| 275 /* | |
| 276 * These values are at the start of the next line, (due | |
| 277 * to the ++'s above),but they need to be at the start | |
| 278 * of the line after that. | |
| 279 */ | |
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280 lum += cols; |
| 0 | 281 lum2 += cols; |
| 282 row1 += mod; | |
| 283 row2 += mod; | |
| 284 } | |
| 285 } | |
| 286 | |
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287 static void |
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288 Color32DitherYV12Mod1X(int *colortab, Uint32 * rgb_2_pix, |
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289 unsigned char *lum, unsigned char *cr, |
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290 unsigned char *cb, unsigned char *out, |
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291 int rows, int cols, int mod) |
| 0 | 292 { |
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293 unsigned int *row1; |
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294 unsigned int *row2; |
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295 unsigned char *lum2; |
| 0 | 296 int x, y; |
| 297 int cr_r; | |
| 298 int crb_g; | |
| 299 int cb_b; | |
| 300 int cols_2 = cols / 2; | |
| 301 | |
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302 row1 = (unsigned int *) out; |
| 0 | 303 row2 = row1 + cols + mod; |
| 304 lum2 = lum + cols; | |
| 305 | |
| 306 mod += cols + mod; | |
| 307 | |
| 308 y = rows / 2; | |
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309 while (y--) { |
| 0 | 310 x = cols_2; |
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311 while (x--) { |
| 0 | 312 register int L; |
| 313 | |
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314 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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315 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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316 + colortab[*cb + 2 * 256]; |
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317 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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318 ++cr; |
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319 ++cb; |
| 0 | 320 |
| 321 L = *lum++; | |
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322 *row1++ = (rgb_2_pix[L + cr_r] | |
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323 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 324 |
| 325 L = *lum++; | |
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326 *row1++ = (rgb_2_pix[L + cr_r] | |
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327 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 328 |
| 329 | |
| 330 /* Now, do second row. */ | |
| 331 | |
| 332 L = *lum2++; | |
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333 *row2++ = (rgb_2_pix[L + cr_r] | |
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334 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 335 |
| 336 L = *lum2++; | |
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337 *row2++ = (rgb_2_pix[L + cr_r] | |
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338 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 339 } |
| 340 | |
| 341 /* | |
| 342 * These values are at the start of the next line, (due | |
| 343 * to the ++'s above),but they need to be at the start | |
| 344 * of the line after that. | |
| 345 */ | |
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346 lum += cols; |
| 0 | 347 lum2 += cols; |
| 348 row1 += mod; | |
| 349 row2 += mod; | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 /* | |
| 354 * In this function I make use of a nasty trick. The tables have the lower | |
| 355 * 16 bits replicated in the upper 16. This means I can write ints and get | |
| 356 * the horisontal doubling for free (almost). | |
| 357 */ | |
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358 static void |
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359 Color16DitherYV12Mod2X(int *colortab, Uint32 * rgb_2_pix, |
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360 unsigned char *lum, unsigned char *cr, |
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361 unsigned char *cb, unsigned char *out, |
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362 int rows, int cols, int mod) |
| 0 | 363 { |
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364 unsigned int *row1 = (unsigned int *) out; |
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365 const int next_row = cols + (mod / 2); |
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366 unsigned int *row2 = row1 + 2 * next_row; |
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367 unsigned char *lum2; |
| 0 | 368 int x, y; |
| 369 int cr_r; | |
| 370 int crb_g; | |
| 371 int cb_b; | |
| 372 int cols_2 = cols / 2; | |
| 373 | |
| 374 lum2 = lum + cols; | |
| 375 | |
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376 mod = (next_row * 3) + (mod / 2); |
| 0 | 377 |
| 378 y = rows / 2; | |
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379 while (y--) { |
| 0 | 380 x = cols_2; |
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381 while (x--) { |
| 0 | 382 register int L; |
| 383 | |
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384 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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385 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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386 + colortab[*cb + 2 * 256]; |
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387 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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388 ++cr; |
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389 ++cb; |
| 0 | 390 |
| 391 L = *lum++; | |
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392 row1[0] = row1[next_row] = (rgb_2_pix[L + cr_r] | |
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393 rgb_2_pix[L + crb_g] | |
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394 rgb_2_pix[L + cb_b]); |
| 0 | 395 row1++; |
| 396 | |
| 397 L = *lum++; | |
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398 row1[0] = row1[next_row] = (rgb_2_pix[L + cr_r] | |
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399 rgb_2_pix[L + crb_g] | |
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400 rgb_2_pix[L + cb_b]); |
| 0 | 401 row1++; |
| 402 | |
| 403 | |
| 404 /* Now, do second row. */ | |
| 405 | |
| 406 L = *lum2++; | |
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407 row2[0] = row2[next_row] = (rgb_2_pix[L + cr_r] | |
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408 rgb_2_pix[L + crb_g] | |
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409 rgb_2_pix[L + cb_b]); |
| 0 | 410 row2++; |
| 411 | |
| 412 L = *lum2++; | |
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413 row2[0] = row2[next_row] = (rgb_2_pix[L + cr_r] | |
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414 rgb_2_pix[L + crb_g] | |
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415 rgb_2_pix[L + cb_b]); |
| 0 | 416 row2++; |
| 417 } | |
| 418 | |
| 419 /* | |
| 420 * These values are at the start of the next line, (due | |
| 421 * to the ++'s above),but they need to be at the start | |
| 422 * of the line after that. | |
| 423 */ | |
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424 lum += cols; |
| 0 | 425 lum2 += cols; |
| 426 row1 += mod; | |
| 427 row2 += mod; | |
| 428 } | |
| 429 } | |
| 430 | |
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431 static void |
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432 Color24DitherYV12Mod2X(int *colortab, Uint32 * rgb_2_pix, |
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433 unsigned char *lum, unsigned char *cr, |
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434 unsigned char *cb, unsigned char *out, |
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435 int rows, int cols, int mod) |
| 0 | 436 { |
| 437 unsigned int value; | |
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438 unsigned char *row1 = out; |
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439 const int next_row = (cols * 2 + mod) * 3; |
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440 unsigned char *row2 = row1 + 2 * next_row; |
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441 unsigned char *lum2; |
| 0 | 442 int x, y; |
| 443 int cr_r; | |
| 444 int crb_g; | |
| 445 int cb_b; | |
| 446 int cols_2 = cols / 2; | |
| 447 | |
| 448 lum2 = lum + cols; | |
| 449 | |
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450 mod = next_row * 3 + mod * 3; |
| 0 | 451 |
| 452 y = rows / 2; | |
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453 while (y--) { |
| 0 | 454 x = cols_2; |
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455 while (x--) { |
| 0 | 456 register int L; |
| 457 | |
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458 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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459 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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460 + colortab[*cb + 2 * 256]; |
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461 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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462 ++cr; |
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463 ++cb; |
| 0 | 464 |
| 465 L = *lum++; | |
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466 value = (rgb_2_pix[L + cr_r] | |
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467 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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468 row1[0 + 0] = row1[3 + 0] = row1[next_row + 0] = |
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469 row1[next_row + 3 + 0] = (value) & 0xFF; |
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470 row1[0 + 1] = row1[3 + 1] = row1[next_row + 1] = |
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471 row1[next_row + 3 + 1] = (value >> 8) & 0xFF; |
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472 row1[0 + 2] = row1[3 + 2] = row1[next_row + 2] = |
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473 row1[next_row + 3 + 2] = (value >> 16) & 0xFF; |
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474 row1 += 2 * 3; |
| 0 | 475 |
| 476 L = *lum++; | |
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477 value = (rgb_2_pix[L + cr_r] | |
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478 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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479 row1[0 + 0] = row1[3 + 0] = row1[next_row + 0] = |
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480 row1[next_row + 3 + 0] = (value) & 0xFF; |
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481 row1[0 + 1] = row1[3 + 1] = row1[next_row + 1] = |
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482 row1[next_row + 3 + 1] = (value >> 8) & 0xFF; |
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483 row1[0 + 2] = row1[3 + 2] = row1[next_row + 2] = |
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484 row1[next_row + 3 + 2] = (value >> 16) & 0xFF; |
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485 row1 += 2 * 3; |
| 0 | 486 |
| 487 | |
| 488 /* Now, do second row. */ | |
| 489 | |
| 490 L = *lum2++; | |
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491 value = (rgb_2_pix[L + cr_r] | |
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492 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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493 row2[0 + 0] = row2[3 + 0] = row2[next_row + 0] = |
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494 row2[next_row + 3 + 0] = (value) & 0xFF; |
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495 row2[0 + 1] = row2[3 + 1] = row2[next_row + 1] = |
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496 row2[next_row + 3 + 1] = (value >> 8) & 0xFF; |
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497 row2[0 + 2] = row2[3 + 2] = row2[next_row + 2] = |
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498 row2[next_row + 3 + 2] = (value >> 16) & 0xFF; |
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499 row2 += 2 * 3; |
| 0 | 500 |
| 501 L = *lum2++; | |
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502 value = (rgb_2_pix[L + cr_r] | |
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503 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
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504 row2[0 + 0] = row2[3 + 0] = row2[next_row + 0] = |
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505 row2[next_row + 3 + 0] = (value) & 0xFF; |
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506 row2[0 + 1] = row2[3 + 1] = row2[next_row + 1] = |
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507 row2[next_row + 3 + 1] = (value >> 8) & 0xFF; |
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508 row2[0 + 2] = row2[3 + 2] = row2[next_row + 2] = |
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509 row2[next_row + 3 + 2] = (value >> 16) & 0xFF; |
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510 row2 += 2 * 3; |
| 0 | 511 } |
| 512 | |
| 513 /* | |
| 514 * These values are at the start of the next line, (due | |
| 515 * to the ++'s above),but they need to be at the start | |
| 516 * of the line after that. | |
| 517 */ | |
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518 lum += cols; |
| 0 | 519 lum2 += cols; |
| 520 row1 += mod; | |
| 521 row2 += mod; | |
| 522 } | |
| 523 } | |
| 524 | |
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525 static void |
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526 Color32DitherYV12Mod2X(int *colortab, Uint32 * rgb_2_pix, |
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527 unsigned char *lum, unsigned char *cr, |
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528 unsigned char *cb, unsigned char *out, |
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529 int rows, int cols, int mod) |
| 0 | 530 { |
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531 unsigned int *row1 = (unsigned int *) out; |
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532 const int next_row = cols * 2 + mod; |
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533 unsigned int *row2 = row1 + 2 * next_row; |
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534 unsigned char *lum2; |
| 0 | 535 int x, y; |
| 536 int cr_r; | |
| 537 int crb_g; | |
| 538 int cb_b; | |
| 539 int cols_2 = cols / 2; | |
| 540 | |
| 541 lum2 = lum + cols; | |
| 542 | |
| 543 mod = (next_row * 3) + mod; | |
| 544 | |
| 545 y = rows / 2; | |
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546 while (y--) { |
| 0 | 547 x = cols_2; |
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548 while (x--) { |
| 0 | 549 register int L; |
| 550 | |
|
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551 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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552 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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553 + colortab[*cb + 2 * 256]; |
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554 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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555 ++cr; |
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556 ++cb; |
| 0 | 557 |
| 558 L = *lum++; | |
|
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559 row1[0] = row1[1] = row1[next_row] = row1[next_row + 1] = |
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560 (rgb_2_pix[L + cr_r] | |
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561 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 562 row1 += 2; |
| 563 | |
| 564 L = *lum++; | |
|
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565 row1[0] = row1[1] = row1[next_row] = row1[next_row + 1] = |
|
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566 (rgb_2_pix[L + cr_r] | |
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567 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 568 row1 += 2; |
| 569 | |
| 570 | |
| 571 /* Now, do second row. */ | |
| 572 | |
| 573 L = *lum2++; | |
|
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574 row2[0] = row2[1] = row2[next_row] = row2[next_row + 1] = |
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575 (rgb_2_pix[L + cr_r] | |
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576 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 577 row2 += 2; |
| 578 | |
| 579 L = *lum2++; | |
|
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580 row2[0] = row2[1] = row2[next_row] = row2[next_row + 1] = |
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581 (rgb_2_pix[L + cr_r] | |
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582 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 583 row2 += 2; |
| 584 } | |
| 585 | |
| 586 /* | |
| 587 * These values are at the start of the next line, (due | |
| 588 * to the ++'s above),but they need to be at the start | |
| 589 * of the line after that. | |
| 590 */ | |
|
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591 lum += cols; |
| 0 | 592 lum2 += cols; |
| 593 row1 += mod; | |
| 594 row2 += mod; | |
| 595 } | |
| 596 } | |
| 597 | |
|
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598 static void |
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599 Color16DitherYUY2Mod1X(int *colortab, Uint32 * rgb_2_pix, |
|
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600 unsigned char *lum, unsigned char *cr, |
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601 unsigned char *cb, unsigned char *out, |
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602 int rows, int cols, int mod) |
| 0 | 603 { |
|
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604 unsigned short *row; |
| 0 | 605 int x, y; |
| 606 int cr_r; | |
| 607 int crb_g; | |
| 608 int cb_b; | |
| 609 int cols_2 = cols / 2; | |
| 610 | |
|
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611 row = (unsigned short *) out; |
| 0 | 612 |
| 613 y = rows; | |
|
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614 while (y--) { |
| 0 | 615 x = cols_2; |
|
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616 while (x--) { |
| 0 | 617 register int L; |
| 618 | |
|
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619 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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620 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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621 + colortab[*cb + 2 * 256]; |
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622 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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623 cr += 4; |
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624 cb += 4; |
| 0 | 625 |
|
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626 L = *lum; |
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627 lum += 2; |
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628 *row++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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629 rgb_2_pix[L + crb_g] | |
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630 rgb_2_pix[L + cb_b]); |
| 0 | 631 |
|
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632 L = *lum; |
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633 lum += 2; |
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634 *row++ = (unsigned short) (rgb_2_pix[L + cr_r] | |
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635 rgb_2_pix[L + crb_g] | |
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636 rgb_2_pix[L + cb_b]); |
| 0 | 637 |
| 638 } | |
| 639 | |
| 640 row += mod; | |
| 641 } | |
| 642 } | |
| 643 | |
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644 static void |
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645 Color24DitherYUY2Mod1X(int *colortab, Uint32 * rgb_2_pix, |
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646 unsigned char *lum, unsigned char *cr, |
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647 unsigned char *cb, unsigned char *out, |
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648 int rows, int cols, int mod) |
| 0 | 649 { |
| 650 unsigned int value; | |
|
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651 unsigned char *row; |
| 0 | 652 int x, y; |
| 653 int cr_r; | |
| 654 int crb_g; | |
| 655 int cb_b; | |
| 656 int cols_2 = cols / 2; | |
| 657 | |
|
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658 row = (unsigned char *) out; |
| 0 | 659 mod *= 3; |
| 660 y = rows; | |
|
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661 while (y--) { |
| 0 | 662 x = cols_2; |
|
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663 while (x--) { |
| 0 | 664 register int L; |
| 665 | |
|
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666 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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667 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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|
668 + colortab[*cb + 2 * 256]; |
|
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669 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
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670 cr += 4; |
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671 cb += 4; |
| 0 | 672 |
|
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673 L = *lum; |
|
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674 lum += 2; |
|
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675 value = (rgb_2_pix[L + cr_r] | |
|
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676 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
|
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677 *row++ = (value) & 0xFF; |
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678 *row++ = (value >> 8) & 0xFF; |
| 0 | 679 *row++ = (value >> 16) & 0xFF; |
| 680 | |
|
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681 L = *lum; |
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682 lum += 2; |
|
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683 value = (rgb_2_pix[L + cr_r] | |
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684 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
|
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685 *row++ = (value) & 0xFF; |
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|
686 *row++ = (value >> 8) & 0xFF; |
| 0 | 687 *row++ = (value >> 16) & 0xFF; |
| 688 | |
| 689 } | |
| 690 row += mod; | |
| 691 } | |
| 692 } | |
| 693 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
694 static void |
|
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695 Color32DitherYUY2Mod1X(int *colortab, Uint32 * rgb_2_pix, |
|
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|
696 unsigned char *lum, unsigned char *cr, |
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|
697 unsigned char *cb, unsigned char *out, |
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|
698 int rows, int cols, int mod) |
| 0 | 699 { |
|
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|
700 unsigned int *row; |
| 0 | 701 int x, y; |
| 702 int cr_r; | |
| 703 int crb_g; | |
| 704 int cb_b; | |
| 705 int cols_2 = cols / 2; | |
| 706 | |
|
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707 row = (unsigned int *) out; |
| 0 | 708 y = rows; |
|
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|
709 while (y--) { |
| 0 | 710 x = cols_2; |
|
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|
711 while (x--) { |
| 0 | 712 register int L; |
| 713 | |
|
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714 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
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715 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
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|
716 + colortab[*cb + 2 * 256]; |
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changeset
|
717 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
|
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718 cr += 4; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
changeset
|
719 cb += 4; |
| 0 | 720 |
|
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Sam Lantinga <slouken@libsdl.org>
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|
721 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
722 lum += 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
723 *row++ = (rgb_2_pix[L + cr_r] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
724 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 725 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
726 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
727 lum += 2; |
|
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Sam Lantinga <slouken@libsdl.org>
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|
728 *row++ = (rgb_2_pix[L + cr_r] | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
729 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 730 |
| 731 | |
| 732 } | |
| 733 row += mod; | |
| 734 } | |
| 735 } | |
| 736 | |
| 737 /* | |
| 738 * In this function I make use of a nasty trick. The tables have the lower | |
| 739 * 16 bits replicated in the upper 16. This means I can write ints and get | |
| 740 * the horisontal doubling for free (almost). | |
| 741 */ | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
742 static void |
|
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|
743 Color16DitherYUY2Mod2X(int *colortab, Uint32 * rgb_2_pix, |
|
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|
744 unsigned char *lum, unsigned char *cr, |
|
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|
745 unsigned char *cb, unsigned char *out, |
|
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|
746 int rows, int cols, int mod) |
| 0 | 747 { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
748 unsigned int *row = (unsigned int *) out; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
749 const int next_row = cols + (mod / 2); |
| 0 | 750 int x, y; |
| 751 int cr_r; | |
| 752 int crb_g; | |
| 753 int cb_b; | |
| 754 int cols_2 = cols / 2; | |
| 755 | |
| 756 y = rows; | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
757 while (y--) { |
| 0 | 758 x = cols_2; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
759 while (x--) { |
| 0 | 760 register int L; |
| 761 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
762 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
763 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
764 + colortab[*cb + 2 * 256]; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
765 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
766 cr += 4; |
|
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Sam Lantinga <slouken@libsdl.org>
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|
767 cb += 4; |
| 0 | 768 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
769 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
770 lum += 2; |
|
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Sam Lantinga <slouken@libsdl.org>
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|
771 row[0] = row[next_row] = (rgb_2_pix[L + cr_r] | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
772 rgb_2_pix[L + crb_g] | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
773 rgb_2_pix[L + cb_b]); |
| 0 | 774 row++; |
| 775 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
776 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
777 lum += 2; |
|
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|
778 row[0] = row[next_row] = (rgb_2_pix[L + cr_r] | |
|
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|
779 rgb_2_pix[L + crb_g] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
780 rgb_2_pix[L + cb_b]); |
| 0 | 781 row++; |
| 782 | |
| 783 } | |
| 784 row += next_row; | |
| 785 } | |
| 786 } | |
| 787 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
788 static void |
|
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|
789 Color24DitherYUY2Mod2X(int *colortab, Uint32 * rgb_2_pix, |
|
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changeset
|
790 unsigned char *lum, unsigned char *cr, |
|
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|
791 unsigned char *cb, unsigned char *out, |
|
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|
792 int rows, int cols, int mod) |
| 0 | 793 { |
| 794 unsigned int value; | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
795 unsigned char *row = out; |
|
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|
796 const int next_row = (cols * 2 + mod) * 3; |
| 0 | 797 int x, y; |
| 798 int cr_r; | |
| 799 int crb_g; | |
| 800 int cb_b; | |
| 801 int cols_2 = cols / 2; | |
| 802 y = rows; | |
|
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
803 while (y--) { |
| 0 | 804 x = cols_2; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
805 while (x--) { |
| 0 | 806 register int L; |
| 807 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
808 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
|
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|
809 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
|
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changeset
|
810 + colortab[*cb + 2 * 256]; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
811 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
812 cr += 4; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
813 cb += 4; |
| 0 | 814 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
815 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
816 lum += 2; |
|
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changeset
|
817 value = (rgb_2_pix[L + cr_r] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
818 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
819 row[0 + 0] = row[3 + 0] = row[next_row + 0] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
820 row[next_row + 3 + 0] = (value) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
821 row[0 + 1] = row[3 + 1] = row[next_row + 1] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
822 row[next_row + 3 + 1] = (value >> 8) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
823 row[0 + 2] = row[3 + 2] = row[next_row + 2] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
824 row[next_row + 3 + 2] = (value >> 16) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
825 row += 2 * 3; |
| 0 | 826 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
changeset
|
827 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
828 lum += 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
829 value = (rgb_2_pix[L + cr_r] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
830 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
831 row[0 + 0] = row[3 + 0] = row[next_row + 0] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
832 row[next_row + 3 + 0] = (value) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
833 row[0 + 1] = row[3 + 1] = row[next_row + 1] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
834 row[next_row + 3 + 1] = (value >> 8) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
835 row[0 + 2] = row[3 + 2] = row[next_row + 2] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
836 row[next_row + 3 + 2] = (value >> 16) & 0xFF; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
837 row += 2 * 3; |
| 0 | 838 |
| 839 } | |
| 840 row += next_row; | |
| 841 } | |
| 842 } | |
| 843 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
844 static void |
|
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|
845 Color32DitherYUY2Mod2X(int *colortab, Uint32 * rgb_2_pix, |
|
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changeset
|
846 unsigned char *lum, unsigned char *cr, |
|
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|
847 unsigned char *cb, unsigned char *out, |
|
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changeset
|
848 int rows, int cols, int mod) |
| 0 | 849 { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
850 unsigned int *row = (unsigned int *) out; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
851 const int next_row = cols * 2 + mod; |
| 0 | 852 int x, y; |
| 853 int cr_r; | |
| 854 int crb_g; | |
| 855 int cb_b; | |
| 856 int cols_2 = cols / 2; | |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
857 mod += mod; |
| 0 | 858 y = rows; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
859 while (y--) { |
| 0 | 860 x = cols_2; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
861 while (x--) { |
| 0 | 862 register int L; |
| 863 | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
864 cr_r = 0 * 768 + 256 + colortab[*cr + 0 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
865 crb_g = 1 * 768 + 256 + colortab[*cr + 1 * 256] |
|
782fd950bd46
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
866 + colortab[*cb + 2 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
867 cb_b = 2 * 768 + 256 + colortab[*cb + 3 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
868 cr += 4; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
869 cb += 4; |
| 0 | 870 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
871 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
872 lum += 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
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|
873 row[0] = row[1] = row[next_row] = row[next_row + 1] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
874 (rgb_2_pix[L + cr_r] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
875 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 876 row += 2; |
| 877 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
878 L = *lum; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
879 lum += 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
880 row[0] = row[1] = row[next_row] = row[next_row + 1] = |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
881 (rgb_2_pix[L + cr_r] | |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
882 rgb_2_pix[L + crb_g] | rgb_2_pix[L + cb_b]); |
| 0 | 883 row += 2; |
| 884 | |
| 885 | |
| 886 } | |
| 887 | |
| 888 row += next_row; | |
| 889 } | |
| 890 } | |
| 891 | |
| 892 /* | |
| 893 * How many 1 bits are there in the Uint32. | |
| 894 * Low performance, do not call often. | |
| 895 */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
896 static int |
|
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|
897 number_of_bits_set(Uint32 a) |
| 0 | 898 { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
899 if (!a) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
900 return 0; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
901 if (a & 1) |
|
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|
902 return 1 + number_of_bits_set(a >> 1); |
|
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|
903 return (number_of_bits_set(a >> 1)); |
| 0 | 904 } |
| 905 | |
| 906 /* | |
| 907 * How many 0 bits are there at least significant end of Uint32. | |
| 908 * Low performance, do not call often. | |
| 909 */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
910 static int |
|
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|
911 free_bits_at_bottom(Uint32 a) |
| 0 | 912 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
913 /* assume char is 8 bits */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
914 if (!a) |
|
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|
915 return sizeof(Uint32) * 8; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
916 if (((Sint32) a) & 1l) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
917 return 0; |
|
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|
918 return 1 + free_bits_at_bottom(a >> 1); |
| 0 | 919 } |
| 920 | |
| 921 | |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
922 SDL_Overlay * |
|
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|
923 SDL_CreateYUV_SW(_THIS, int width, int height, Uint32 format, |
|
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|
924 SDL_Surface * display) |
| 0 | 925 { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
926 SDL_Overlay *overlay; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
927 struct private_yuvhwdata *swdata; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
928 int *Cr_r_tab; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
929 int *Cr_g_tab; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
930 int *Cb_g_tab; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
931 int *Cb_b_tab; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
932 Uint32 *r_2_pix_alloc; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
933 Uint32 *g_2_pix_alloc; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
934 Uint32 *b_2_pix_alloc; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
935 int i; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
936 int CR, CB; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
937 Uint32 Rmask, Gmask, Bmask; |
| 0 | 938 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
939 /* Only RGB packed pixel conversion supported */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
940 if ((display->format->BytesPerPixel != 2) && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
941 (display->format->BytesPerPixel != 3) && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
942 (display->format->BytesPerPixel != 4)) { |
|
1668
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|
943 SDL_SetError("Can't use YUV data on non 16/24/32 bit surfaces"); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
944 return (NULL); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
945 } |
| 0 | 946 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
947 /* Verify that we support the format */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
948 switch (format) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
949 case SDL_YV12_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
950 case SDL_IYUV_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
951 case SDL_YUY2_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
952 case SDL_UYVY_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
953 case SDL_YVYU_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
954 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
955 default: |
|
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changeset
|
956 SDL_SetError("Unsupported YUV format"); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
957 return (NULL); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
958 } |
| 0 | 959 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
960 /* Create the overlay structure */ |
|
1668
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diff
changeset
|
961 overlay = (SDL_Overlay *) SDL_malloc(sizeof *overlay); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
962 if (overlay == NULL) { |
|
1668
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changeset
|
963 SDL_OutOfMemory(); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
964 return (NULL); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
965 } |
|
1668
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changeset
|
966 SDL_memset(overlay, 0, (sizeof *overlay)); |
| 0 | 967 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
968 /* Fill in the basic members */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
969 overlay->format = format; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
970 overlay->w = width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
971 overlay->h = height; |
| 0 | 972 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
973 /* Set up the YUV surface function structure */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
974 overlay->hwfuncs = &sw_yuvfuncs; |
| 0 | 975 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
976 /* Create the pixel data and lookup tables */ |
|
1668
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changeset
|
977 swdata = (struct private_yuvhwdata *) SDL_malloc(sizeof *swdata); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
978 overlay->hwdata = swdata; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
979 if (swdata == NULL) { |
|
1668
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changeset
|
980 SDL_OutOfMemory(); |
|
4da1ee79c9af
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changeset
|
981 SDL_FreeYUVOverlay(overlay); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
982 return (NULL); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
983 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
984 swdata->stretch = NULL; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
985 swdata->display = display; |
|
1668
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changeset
|
986 swdata->pixels = (Uint8 *) SDL_malloc(width * height * 2); |
|
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changeset
|
987 swdata->colortab = (int *) SDL_malloc(4 * 256 * sizeof(int)); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
988 Cr_r_tab = &swdata->colortab[0 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
989 Cr_g_tab = &swdata->colortab[1 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
990 Cb_g_tab = &swdata->colortab[2 * 256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
991 Cb_b_tab = &swdata->colortab[3 * 256]; |
|
1668
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|
992 swdata->rgb_2_pix = (Uint32 *) SDL_malloc(3 * 768 * sizeof(Uint32)); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
993 r_2_pix_alloc = &swdata->rgb_2_pix[0 * 768]; |
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994 g_2_pix_alloc = &swdata->rgb_2_pix[1 * 768]; |
|
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|
995 b_2_pix_alloc = &swdata->rgb_2_pix[2 * 768]; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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996 if (!swdata->pixels || !swdata->colortab || !swdata->rgb_2_pix) { |
|
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997 SDL_OutOfMemory(); |
|
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998 SDL_FreeYUVOverlay(overlay); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
999 return (NULL); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1000 } |
| 0 | 1001 |
|
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|
1002 /* Generate the tables for the display surface */ |
|
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|
1003 for (i = 0; i < 256; i++) { |
|
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|
1004 /* Gamma correction (luminescence table) and chroma correction |
|
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|
1005 would be done here. See the Berkeley mpeg_play sources. |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1006 */ |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1007 CB = CR = (i - 128); |
|
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|
1008 Cr_r_tab[i] = (int) ((0.419 / 0.299) * CR); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1009 Cr_g_tab[i] = (int) (-(0.299 / 0.419) * CR); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1010 Cb_g_tab[i] = (int) (-(0.114 / 0.331) * CB); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1011 Cb_b_tab[i] = (int) ((0.587 / 0.331) * CB); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1012 } |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1013 |
|
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|
1014 /* |
|
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|
1015 * Set up entries 0-255 in rgb-to-pixel value tables. |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1016 */ |
|
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|
1017 Rmask = display->format->Rmask; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1018 Gmask = display->format->Gmask; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1019 Bmask = display->format->Bmask; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1020 for (i = 0; i < 256; ++i) { |
|
1668
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1021 r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Rmask)); |
|
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|
1022 r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Rmask); |
|
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changeset
|
1023 g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Gmask)); |
|
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|
1024 g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Gmask); |
|
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|
1025 b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(Bmask)); |
|
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|
1026 b_2_pix_alloc[i + 256] <<= free_bits_at_bottom(Bmask); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1027 } |
| 0 | 1028 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1029 /* |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1030 * If we have 16-bit output depth, then we double the value |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1031 * in the top word. This means that we can write out both |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1032 * pixels in the pixel doubling mode with one op. It is |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1033 * harmless in the normal case as storing a 32-bit value |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1034 * through a short pointer will lose the top bits anyway. |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1035 */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1036 if (display->format->BytesPerPixel == 2) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1037 for (i = 0; i < 256; ++i) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1038 r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 16; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1039 g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 16; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1040 b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 16; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1041 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1042 } |
| 0 | 1043 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1044 /* |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1045 * Spread out the values we have to the rest of the array so that |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1046 * we do not need to check for overflow. |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1047 */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1048 for (i = 0; i < 256; ++i) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1049 r_2_pix_alloc[i] = r_2_pix_alloc[256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1050 r_2_pix_alloc[i + 512] = r_2_pix_alloc[511]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1051 g_2_pix_alloc[i] = g_2_pix_alloc[256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1052 g_2_pix_alloc[i + 512] = g_2_pix_alloc[511]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1053 b_2_pix_alloc[i] = b_2_pix_alloc[256]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1054 b_2_pix_alloc[i + 512] = b_2_pix_alloc[511]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1055 } |
| 0 | 1056 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1057 /* You have chosen wisely... */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1058 switch (format) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1059 case SDL_YV12_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1060 case SDL_IYUV_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1061 if (display->format->BytesPerPixel == 2) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1062 #if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1063 /* inline assembly functions */ |
|
1668
4da1ee79c9af
more tweaking indent options
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parents:
1662
diff
changeset
|
1064 if (SDL_HasMMX() && (Rmask == 0xF800) && |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1065 (Gmask == 0x07E0) && (Bmask == 0x001F) && (width & 15) == 0) { |
| 0 | 1066 /*printf("Using MMX 16-bit 565 dither\n");*/ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1067 swdata->Display1X = Color565DitherYV12MMX1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1068 } else { |
| 0 | 1069 /*printf("Using C 16-bit dither\n");*/ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1070 swdata->Display1X = Color16DitherYV12Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1071 } |
| 0 | 1072 #else |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1073 swdata->Display1X = Color16DitherYV12Mod1X; |
| 0 | 1074 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1075 swdata->Display2X = Color16DitherYV12Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1076 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1077 if (display->format->BytesPerPixel == 3) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1078 swdata->Display1X = Color24DitherYV12Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1079 swdata->Display2X = Color24DitherYV12Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1080 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1081 if (display->format->BytesPerPixel == 4) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1082 #if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1083 /* inline assembly functions */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1084 if (SDL_HasMMX() && (Rmask == 0x00FF0000) && |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1085 (Gmask == 0x0000FF00) && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1086 (Bmask == 0x000000FF) && (width & 15) == 0) { |
| 0 | 1087 /*printf("Using MMX 32-bit dither\n");*/ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1088 swdata->Display1X = ColorRGBDitherYV12MMX1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1089 } else { |
| 0 | 1090 /*printf("Using C 32-bit dither\n");*/ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1091 swdata->Display1X = Color32DitherYV12Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1092 } |
| 0 | 1093 #else |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1094 swdata->Display1X = Color32DitherYV12Mod1X; |
| 0 | 1095 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1096 swdata->Display2X = Color32DitherYV12Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1097 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1098 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1099 case SDL_YUY2_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1100 case SDL_UYVY_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1101 case SDL_YVYU_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1102 if (display->format->BytesPerPixel == 2) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1103 swdata->Display1X = Color16DitherYUY2Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1104 swdata->Display2X = Color16DitherYUY2Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1105 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1106 if (display->format->BytesPerPixel == 3) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1107 swdata->Display1X = Color24DitherYUY2Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1108 swdata->Display2X = Color24DitherYUY2Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1109 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1110 if (display->format->BytesPerPixel == 4) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1111 swdata->Display1X = Color32DitherYUY2Mod1X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1112 swdata->Display2X = Color32DitherYUY2Mod2X; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1113 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1114 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1115 default: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1116 /* We should never get here (caught above) */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1117 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1118 } |
| 0 | 1119 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1120 /* Find the pitch and offset values for the overlay */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1121 overlay->pitches = swdata->pitches; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1122 overlay->pixels = swdata->planes; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1123 switch (format) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1124 case SDL_YV12_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1125 case SDL_IYUV_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1126 overlay->pitches[0] = overlay->w; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1127 overlay->pitches[1] = overlay->pitches[0] / 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1128 overlay->pitches[2] = overlay->pitches[0] / 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1129 overlay->pixels[0] = swdata->pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1130 overlay->pixels[1] = overlay->pixels[0] + |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1131 overlay->pitches[0] * overlay->h; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1132 overlay->pixels[2] = overlay->pixels[1] + |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1133 overlay->pitches[1] * overlay->h / 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1134 overlay->planes = 3; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1135 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1136 case SDL_YUY2_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1137 case SDL_UYVY_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1138 case SDL_YVYU_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1139 overlay->pitches[0] = overlay->w * 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1140 overlay->pixels[0] = swdata->pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1141 overlay->planes = 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1142 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1143 default: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1144 /* We should never get here (caught above) */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1145 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1146 } |
| 0 | 1147 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1148 /* We're all done.. */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1149 return (overlay); |
| 0 | 1150 } |
| 1151 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1152 int |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1153 SDL_LockYUV_SW(_THIS, SDL_Overlay * overlay) |
| 0 | 1154 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1155 return (0); |
| 0 | 1156 } |
| 1157 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1158 void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1159 SDL_UnlockYUV_SW(_THIS, SDL_Overlay * overlay) |
| 0 | 1160 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1161 return; |
| 0 | 1162 } |
| 1163 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1164 int |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1165 SDL_DisplayYUV_SW(_THIS, SDL_Overlay * overlay, SDL_Rect * src, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1166 SDL_Rect * dst) |
| 0 | 1167 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1168 struct private_yuvhwdata *swdata; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1169 int stretch; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1170 int scale_2x; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1171 SDL_Surface *display; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1172 Uint8 *lum, *Cr, *Cb; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1173 Uint8 *dstp; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1174 int mod; |
| 0 | 1175 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1176 swdata = overlay->hwdata; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1177 stretch = 0; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1178 scale_2x = 0; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1179 if (src->x || src->y || src->w < overlay->w || src->h < overlay->h) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1180 /* The source rectangle has been clipped. |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1181 Using a scratch surface is easier than adding clipped |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1182 source support to all the blitters, plus that would |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1183 slow them down in the general unclipped case. |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1184 */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1185 stretch = 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1186 } else if ((src->w != dst->w) || (src->h != dst->h)) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1187 if ((dst->w == 2 * src->w) && (dst->h == 2 * src->h)) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1188 scale_2x = 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1189 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1190 stretch = 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1191 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1192 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1193 if (stretch) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1194 if (!swdata->stretch) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1195 display = swdata->display; |
|
1672
8e754b82cecc
Updated SDL_Surface code for software-only access, fixed some build errors
Sam Lantinga <slouken@libsdl.org>
parents:
1668
diff
changeset
|
1196 swdata->stretch = SDL_CreateRGBSurface(0, |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1197 overlay->w, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1198 overlay->h, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1199 display->format-> |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1200 BitsPerPixel, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1201 display->format-> |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1202 Rmask, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1203 display->format-> |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1204 Gmask, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1205 display->format->Bmask, 0); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1206 if (!swdata->stretch) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1207 return (-1); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1208 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1209 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1210 display = swdata->stretch; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1211 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1212 display = swdata->display; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1213 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1214 switch (overlay->format) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1215 case SDL_YV12_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1216 lum = overlay->pixels[0]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1217 Cr = overlay->pixels[1]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1218 Cb = overlay->pixels[2]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1219 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1220 case SDL_IYUV_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1221 lum = overlay->pixels[0]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1222 Cr = overlay->pixels[2]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1223 Cb = overlay->pixels[1]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1224 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1225 case SDL_YUY2_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1226 lum = overlay->pixels[0]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1227 Cr = lum + 3; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1228 Cb = lum + 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1229 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1230 case SDL_UYVY_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1231 lum = overlay->pixels[0] + 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1232 Cr = lum + 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1233 Cb = lum - 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1234 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1235 case SDL_YVYU_OVERLAY: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1236 lum = overlay->pixels[0]; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1237 Cr = lum + 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1238 Cb = lum + 3; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1239 break; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1240 default: |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1241 SDL_SetError("Unsupported YUV format in blit"); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1242 return (-1); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1243 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1244 if (SDL_MUSTLOCK(display)) { |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1245 if (SDL_LockSurface(display) < 0) { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1246 return (-1); |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1247 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1248 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1249 if (stretch) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1250 dstp = (Uint8 *) swdata->stretch->pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1251 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1252 dstp = (Uint8 *) display->pixels |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1253 + dst->x * display->format->BytesPerPixel |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1254 + dst->y * display->pitch; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1255 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1256 mod = (display->pitch / display->format->BytesPerPixel); |
| 0 | 1257 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1258 if (scale_2x) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1259 mod -= (overlay->w * 2); |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1260 swdata->Display2X(swdata->colortab, swdata->rgb_2_pix, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1261 lum, Cr, Cb, dstp, overlay->h, overlay->w, mod); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1262 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1263 mod -= overlay->w; |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1264 swdata->Display1X(swdata->colortab, swdata->rgb_2_pix, |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1265 lum, Cr, Cb, dstp, overlay->h, overlay->w, mod); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1266 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1267 if (SDL_MUSTLOCK(display)) { |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1268 SDL_UnlockSurface(display); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1269 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1270 if (stretch) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1271 display = swdata->display; |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1272 SDL_SoftStretch(swdata->stretch, src, display, dst); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1273 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1274 SDL_UpdateRects(display, 1, dst); |
| 0 | 1275 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1276 return (0); |
| 0 | 1277 } |
| 1278 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1279 void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1280 SDL_FreeYUV_SW(_THIS, SDL_Overlay * overlay) |
| 0 | 1281 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1282 struct private_yuvhwdata *swdata; |
| 0 | 1283 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1284 swdata = overlay->hwdata; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1285 if (swdata) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1286 if (swdata->stretch) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1287 SDL_FreeSurface(swdata->stretch); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1288 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1289 if (swdata->pixels) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1290 SDL_free(swdata->pixels); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1291 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1292 if (swdata->colortab) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1293 SDL_free(swdata->colortab); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1294 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1295 if (swdata->rgb_2_pix) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1296 SDL_free(swdata->rgb_2_pix); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1297 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1298 SDL_free(swdata); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1299 } |
| 0 | 1300 } |
| 1679 | 1301 #endif /* TODO */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1302 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1644
diff
changeset
|
1303 /* vi: set ts=4 sw=4 expandtab: */ |