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comparison src/video/SDL_renderer_gl.c @ 2936:066384910f50

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iPhone build compiles again (drawing routines need to be implemented)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 31 Dec 2008 07:56:56 +0000
parents 2133d2d300fd
children 017d4334accf
comparison
equal deleted inserted replaced
2935:59e3e0aaa725 2936:066384910f50
430 data->glEnable(GL_TEXTURE_2D); 430 data->glEnable(GL_TEXTURE_2D);
431 } 431 }
432 data->updateSize = SDL_TRUE; 432 data->updateSize = SDL_TRUE;
433 433
434 return renderer; 434 return renderer;
435 }
436
437 static void
438 SetBlendMode(GL_RenderData * data, int blendMode)
439 {
440 if (blendMode != data->blendMode) {
441 switch (blendMode) {
442 case SDL_BLENDMODE_NONE:
443 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
444 data->glDisable(GL_BLEND);
445 break;
446 case SDL_BLENDMODE_MASK:
447 case SDL_BLENDMODE_BLEND:
448 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
449 data->glEnable(GL_BLEND);
450 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
451 break;
452 case SDL_BLENDMODE_ADD:
453 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
454 data->glEnable(GL_BLEND);
455 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
456 break;
457 case SDL_BLENDMODE_MOD:
458 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
459 data->glEnable(GL_BLEND);
460 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
461 break;
462 }
463 data->blendMode = blendMode;
464 }
465 } 435 }
466 436
467 static int 437 static int
468 GL_ActivateRenderer(SDL_Renderer * renderer) 438 GL_ActivateRenderer(SDL_Renderer * renderer)
469 { 439 {
1064 for (i = 0; i < numrects; ++i) { 1034 for (i = 0; i < numrects; ++i) {
1065 SDL_AddDirtyRect(&data->dirty, &rects[i]); 1035 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1066 } 1036 }
1067 } 1037 }
1068 1038
1039 static void
1040 GL_SetBlendMode(GL_RenderData * data, int blendMode)
1041 {
1042 if (blendMode != data->blendMode) {
1043 switch (blendMode) {
1044 case SDL_BLENDMODE_NONE:
1045 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1046 data->glDisable(GL_BLEND);
1047 break;
1048 case SDL_BLENDMODE_MASK:
1049 case SDL_BLENDMODE_BLEND:
1050 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
1051 data->glEnable(GL_BLEND);
1052 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1053 break;
1054 case SDL_BLENDMODE_ADD:
1055 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
1056 data->glEnable(GL_BLEND);
1057 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
1058 break;
1059 case SDL_BLENDMODE_MOD:
1060 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
1061 data->glEnable(GL_BLEND);
1062 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
1063 break;
1064 }
1065 data->blendMode = blendMode;
1066 }
1067 }
1068
1069 static int 1069 static int
1070 GL_RenderPoint(SDL_Renderer * renderer, int x, int y) 1070 GL_RenderPoint(SDL_Renderer * renderer, int x, int y)
1071 { 1071 {
1072 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; 1072 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
1073 1073
1074 SetBlendMode(data, renderer->blendMode); 1074 GL_SetBlendMode(data, renderer->blendMode);
1075 1075
1076 data->glColor4f((GLfloat) renderer->r * inv255f, 1076 data->glColor4f((GLfloat) renderer->r * inv255f,
1077 (GLfloat) renderer->g * inv255f, 1077 (GLfloat) renderer->g * inv255f,
1078 (GLfloat) renderer->b * inv255f, 1078 (GLfloat) renderer->b * inv255f,
1079 (GLfloat) renderer->a * inv255f); 1079 (GLfloat) renderer->a * inv255f);
1088 static int 1088 static int
1089 GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2) 1089 GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
1090 { 1090 {
1091 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; 1091 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
1092 1092
1093 SetBlendMode(data, renderer->blendMode); 1093 GL_SetBlendMode(data, renderer->blendMode);
1094 1094
1095 data->glColor4f((GLfloat) renderer->r * inv255f, 1095 data->glColor4f((GLfloat) renderer->r * inv255f,
1096 (GLfloat) renderer->g * inv255f, 1096 (GLfloat) renderer->g * inv255f,
1097 (GLfloat) renderer->b * inv255f, 1097 (GLfloat) renderer->b * inv255f,
1098 (GLfloat) renderer->a * inv255f); 1098 (GLfloat) renderer->a * inv255f);
1109 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect) 1109 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
1110 { 1110 {
1111 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; 1111 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
1112 SDL_Window *window = SDL_GetWindowFromID(renderer->window); 1112 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
1113 1113
1114 GL_SetBlendMode(data, renderer->blendMode);
1115
1114 data->glColor4f((GLfloat) renderer->r * inv255f, 1116 data->glColor4f((GLfloat) renderer->r * inv255f,
1115 (GLfloat) renderer->g * inv255f, 1117 (GLfloat) renderer->g * inv255f,
1116 (GLfloat) renderer->b * inv255f, 1118 (GLfloat) renderer->b * inv255f,
1117 (GLfloat) renderer->a * inv255f); 1119 (GLfloat) renderer->a * inv255f);
1118 SetBlendMode(data, renderer->blendMode); 1120
1119 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h); 1121 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
1120 1122
1121 return 0; 1123 return 0;
1122 } 1124 }
1123 1125
1176 (GLfloat) texture->a * inv255f); 1178 (GLfloat) texture->a * inv255f);
1177 } else { 1179 } else {
1178 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f); 1180 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
1179 } 1181 }
1180 1182
1181 SetBlendMode(data, texture->blendMode); 1183 GL_SetBlendMode(data, texture->blendMode);
1182 1184
1183 if (texture->scaleMode != data->scaleMode) { 1185 if (texture->scaleMode != data->scaleMode) {
1184 switch (texture->scaleMode) { 1186 switch (texture->scaleMode) {
1185 case SDL_TEXTURESCALEMODE_NONE: 1187 case SDL_TEXTURESCALEMODE_NONE:
1186 case SDL_TEXTURESCALEMODE_FAST: 1188 case SDL_TEXTURESCALEMODE_FAST: