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annotate src/video/photon/SDL_ph_image.c @ 358:1f148809d972

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Wilbern Cobb fixed joystick code on FreeBSD
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Apr 2002 16:45:23 +0000
parents 3333b6e68289
children ba72f259bc88
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdlib.h>
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29 #include <Ph.h>
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30 #include <photon/Pg.h>
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31
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32 #include "SDL_error.h"
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33 #include "SDL_endian.h"
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34 #include "SDL_ph_image_c.h"
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35
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36 /* remove this line, if photon headers updates */
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37 int PgWaitHWIdle(void);
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38
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39 int ph_SetupImage(_THIS, SDL_Surface *screen)
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40 {
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41 int type=0;
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42 PgColor_t* palette=NULL;
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43
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44 /* Determine image type */
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45 switch(screen->format->BitsPerPixel)
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46 {
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47 case 8:{
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48 type = Pg_IMAGE_PALETTE_BYTE;
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49 }
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50 break;
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51 case 15:{
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52 type = Pg_IMAGE_DIRECT_555;
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53 }
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54 break;
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55 case 16:{
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56 type = Pg_IMAGE_DIRECT_565;
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57 }
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58 break;
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59 case 24:{
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60 type = Pg_IMAGE_DIRECT_888;
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61 }
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62 break;
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63 case 32:{
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64 type = Pg_IMAGE_DIRECT_8888;
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65 }
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66 break;
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67 default:{
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68 /* should never get here */
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69 fprintf(stderr,"error: unsupported bbp = %d\n",
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70 screen->format->BitsPerPixel);
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71 return -1;
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72 }
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73 break;
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74 }
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75
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76 /* palette emulation code */
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77 if ((screen->format->BitsPerPixel==8) && (desktoppal==SDLPH_PAL_EMULATE))
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78 {
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79 /* creating image palette */
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80 palette=malloc(_Pg_MAX_PALETTE*sizeof(PgColor_t));
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81 PgGetPalette(palette);
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82
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83 /* using shared memory for speed (set last param to 1) */
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84 if ((SDL_Image = PhCreateImage(NULL, screen->w, screen->h, type, palette, _Pg_MAX_PALETTE, 1)) == NULL)
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85 {
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86 fprintf(stderr,"ph_SetupImage: PhCreateImage failed for bpp=8.\n");
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87 return -1;
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88 }
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89 }
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90 else
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91 {
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92 /* using shared memory for speed (set last param to 1) */
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93 if ((SDL_Image = PhCreateImage(NULL, screen->w, screen->h, type, NULL, 0, 1)) == NULL)
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94 {
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95 fprintf(stderr,"ph_SetupImage: PhCreateImage failed.\n");
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96 return -1;
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97 }
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98 }
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99
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100 screen->pixels = SDL_Image->image;
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101
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102 this->UpdateRects = ph_NormalUpdate;
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103
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104 return 0;
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105 }
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106
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107 int ph_SetupOCImage(_THIS, SDL_Surface *screen)
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108 {
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109 int type = 0;
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110
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111 /* Determine image type */
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112 switch(screen->format->BitsPerPixel)
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113 {
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114 case 8:{
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115 type = Pg_IMAGE_PALETTE_BYTE;
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116 }
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117 break;
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118 case 15:{
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119 type = Pg_IMAGE_DIRECT_555;
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120 }
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121 break;
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122 case 16:{
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123 type = Pg_IMAGE_DIRECT_565;
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124 }
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125 break;
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126
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127 case 24:{
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128 type = Pg_IMAGE_DIRECT_888;
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129 }
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130 break;
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131
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132 case 32:{
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133 type = Pg_IMAGE_DIRECT_8888;
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134 }
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135 break;
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136 default:{
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137 /* should never get here */
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138 fprintf(stderr,"error: unsupported bbp = %d\n",
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139 screen->format->BitsPerPixel);
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140 return -1;
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141 }
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142 break;
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143 }
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144
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145 OCImage.FrameData0 = (FRAMEDATA *) malloc((size_t)(sizeof( FRAMEDATA)));
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146 OCImage.FrameData1 = (FRAMEDATA *) malloc((size_t)(sizeof( FRAMEDATA)));
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147
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148 if(OCImage.direct_context == NULL)
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149 OCImage.direct_context = PdCreateDirectContext();
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150
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151 OCImage.offscreen_context = PdCreateOffscreenContext(0,screen->w,screen->h, Pg_OSC_MEM_PAGE_ALIGN);
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152
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153 if (OCImage.offscreen_context == NULL)
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154 {
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155 printf("PdCreateOffscreenContext failed\n");
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156 return -1;
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157 }
0
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158
266
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159 OCImage.Stride = OCImage.offscreen_context->pitch;
0
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160
266
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161 if (OCImage.flags & SDL_DOUBLEBUF)
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162 printf("hardware flag for doublebuf offscreen context\n");
0
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163
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164
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165 OCImage.dc_ptr.ptr8 = (unsigned char *) PdGetOffscreenContextPtr(OCImage.offscreen_context);
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166
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167 OCImage.CurrentFrameData = OCImage.FrameData0;
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168 OCImage.CurrentFrameData->Y = OCImage.dc_ptr.ptr8;
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169 OCImage.CurrentFrameData->U = NULL;
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170 OCImage.CurrentFrameData->V = NULL;
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171 OCImage.current = 0;
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172
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173 if(OCImage.dc_ptr.ptr8 == NULL)
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174 {
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175 printf("PdGetOffscreenContextPtr failed\n");
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176 return -1;
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177 }
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178
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179 PhDCSetCurrent(OCImage.offscreen_context);
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180
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181 screen->pixels = OCImage.CurrentFrameData->Y;
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182
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183 this->UpdateRects = ph_OCUpdate;
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184
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185 return 0;
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186 }
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187
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188 int ph_SetupOpenGLImage(_THIS, SDL_Surface* screen)
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189 {
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190 this->UpdateRects = ph_OpenGLUpdate;
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191
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192 return 0;
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193 }
0
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194
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195 void ph_DestroyImage(_THIS, SDL_Surface *screen)
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196 {
291
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197 if (OCImage.offscreen_context != NULL)
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198 {
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199 PhDCRelease(OCImage.offscreen_context);
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200 OCImage.offscreen_context = NULL;
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201 free(OCImage.FrameData0);
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202 OCImage.FrameData0 = NULL;
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203 free(OCImage.FrameData1);
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204 OCImage.FrameData1 = NULL;
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205 }
0
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206
291
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207 if (SDL_Image)
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208 {
315
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209 /* if palette allocated, free it */
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210 if (SDL_Image->palette)
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211 {
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212 free(SDL_Image->palette);
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213 }
291
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214 PgShmemDestroy(SDL_Image->image);
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215 free(SDL_Image);
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216 }
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217
315
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218 /* Must be zeroed everytime */
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219 SDL_Image = NULL;
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220
291
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221 if (screen)
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222 {
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223 screen->pixels = NULL;
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224 }
0
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225 }
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226
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227 int ph_ResizeImage(_THIS, SDL_Surface *screen, Uint32 flags)
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228 {
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229 ph_DestroyImage(this, screen);
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230
315
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231 if (flags & SDL_HWSURFACE)
0
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232 {
291
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diff changeset
233 OCImage.flags = flags; /* needed for SDL_DOUBLEBUF check */
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234 return ph_SetupOCImage(this, screen);
0
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235 }
315
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diff changeset
236 else if (flags & SDL_OPENGL)
0
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237 {
315
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diff changeset
238 return ph_SetupOpenGLImage(this, screen);
0
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239 }
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diff changeset
240 else
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241 {
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242 return ph_SetupImage(this, screen);
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diff changeset
243 }
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244 }
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diff changeset
245
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246 int ph_AllocHWSurface(_THIS, SDL_Surface *surface)
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diff changeset
247 {
315
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diff changeset
248 return(-1);
0
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249 }
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diff changeset
250
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diff changeset
251 void ph_FreeHWSurface(_THIS, SDL_Surface *surface)
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diff changeset
252 {
315
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diff changeset
253 return;
0
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diff changeset
254 }
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diff changeset
255
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diff changeset
256 int ph_FlipHWSurface(_THIS, SDL_Surface *surface)
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diff changeset
257 {
315
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diff changeset
258 return(0);
0
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diff changeset
259 }
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diff changeset
260
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diff changeset
261 int ph_LockHWSurface(_THIS, SDL_Surface *surface)
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diff changeset
262 {
315
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diff changeset
263 if ((surface == SDL_VideoSurface) && blit_queued) {
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diff changeset
264 PgFlush();
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diff changeset
265 blit_queued = 0;
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diff changeset
266 }
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diff changeset
267
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diff changeset
268 return(0);
0
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diff changeset
269 }
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diff changeset
270
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diff changeset
271 void ph_UnlockHWSurface(_THIS, SDL_Surface *surface)
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diff changeset
272 {
315
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diff changeset
273 return;
0
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diff changeset
274 }
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diff changeset
275
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diff changeset
276 static PhPoint_t ph_pos;
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diff changeset
277 static PhRect_t ph_rect;
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diff changeset
278 static int i;
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diff changeset
279
291
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diff changeset
280 void ph_OpenGLUpdate(_THIS, int numrects, SDL_Rect* rects)
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diff changeset
281 {
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
282 this->GL_SwapBuffers(this);
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
283
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
284 return;
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parents: 283
diff changeset
285 }
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parents: 283
diff changeset
286
0
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diff changeset
287 void ph_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
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diff changeset
288 {
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289 for ( i=0; i<numrects; ++i )
315
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parents: 297
diff changeset
290 {
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diff changeset
291 if (rects[i].w==0) /* Clipped? */
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parents: 297
diff changeset
292 {
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diff changeset
293 continue;
0
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diff changeset
294 }
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diff changeset
295
315
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diff changeset
296 ph_pos.x = rects[i].x;
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diff changeset
297 ph_pos.y = rects[i].y;
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diff changeset
298 ph_rect.ul.x = rects[i].x;
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diff changeset
299 ph_rect.ul.y = rects[i].y;
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diff changeset
300 ph_rect.lr.x = rects[i].x + rects[i].w;
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diff changeset
301 ph_rect.lr.y = rects[i].y + rects[i].h;
0
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parents:
diff changeset
302
315
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diff changeset
303 if (PgDrawPhImageRectmx(&ph_pos, SDL_Image, &ph_rect, 0) < 0)
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
304 {
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diff changeset
305 fprintf(stderr,"ph_NormalUpdate: PgDrawPhImageRectmx failed.\n");
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diff changeset
306 }
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parents: 297
diff changeset
307 }
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308
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309 if (PgFlush() < 0)
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310 {
315
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311 fprintf(stderr,"ph_NormalUpdate: PgFlush failed.\n");
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312 }
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313 }
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314 void ph_OCUpdate(_THIS, int numrects, SDL_Rect *rects)
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315 {
315
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316 PhPoint_t zero = {0};
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317 PhRect_t src_rect;
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318 PhRect_t dest_rect;
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319
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320 if(OCImage.direct_context == NULL)
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321 {
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322 return;
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323 }
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324
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325 PgSetRegion(PtWidgetRid(window));
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326 PgSetClipping(0,NULL);
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327 PgWaitHWIdle();
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328
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329 for (i=0; i<numrects; ++i)
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330 {
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331 if (rects[i].w == 0) /* Clipped? */
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332 {
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333 continue;
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334 }
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335
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336 src_rect.ul.x=rects[i].x;
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337 src_rect.ul.y=rects[i].y;
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338 dest_rect.ul.x=rects[i].x;
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339 dest_rect.ul.y=rects[i].y;
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340
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341 dest_rect.lr.x=src_rect.lr.x= rects[i].x +rects[i].w;
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342 dest_rect.lr.y=src_rect.lr.y= rects[i].y +rects[i].h;
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343
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344 zero.x = zero.y = 0;
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345 PgSetTranslation (&zero, 0);
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346 PgSetRegion(PtWidgetRid(window));
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347 PgSetClipping(0,NULL);
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348 PgContextBlitArea(OCImage.offscreen_context, (PhArea_t *)(&src_rect), NULL, (PhArea_t *)(&dest_rect));
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349
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350 }
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351 if (PgFlush() < 0)
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352 {
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353 fprintf(stderr,"ph_OCUpdate: PgFlush failed.\n");
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354 }
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355
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356 /* later used to toggling double buffer */
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357 if (OCImage.current == 0)
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358 {
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359 OCImage.CurrentFrameData = OCImage.FrameData0;
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360 }
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361 else
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362 {
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363 OCImage.CurrentFrameData = OCImage.FrameData1;
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364 }
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365 }