comparison: src/glcontext.c
src/glcontext.c
- changeset 88
- 6234b7ea48f3
- parent 81
- 84a546e282b7
- child 89
- e1f682a8a145
equal
deleted
inserted
replaced
| 87:874a02a683c5 | 88:6234b7ea48f3 |
|---|---|
| 72 | 72 |
| 73 static void asc_shader_destroy_predefined(AscGLContext *ctx) { | 73 static void asc_shader_destroy_predefined(AscGLContext *ctx) { |
| 74 asc_shader_program_destroy(&ctx->shader.sprite.program); | 74 asc_shader_program_destroy(&ctx->shader.sprite.program); |
| 75 } | 75 } |
| 76 | 76 |
| 77 static int asc_texture_initialize_predefined(AscGLContext *ctx) { | |
| 78 asc_texture_init_rectangle(&ctx->textures.empty_1x1_rect); | |
| 79 asc_texture_init_2d(&ctx->textures.empty_1x1_2d); | |
| 80 | |
| 81 // Create a 1x1 surface with 32-bit RGBA format | |
| 82 SDL_Surface* white1x1 = SDL_CreateRGBSurface( | |
| 83 0, 1, 1, 32, | |
| 84 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF); | |
| 85 if (white1x1 == NULL) { | |
| 86 // TODO: merge error messages once asc_error allows formatting | |
| 87 asc_error("Failed to create surface"); | |
| 88 asc_error(SDL_GetError()); | |
| 89 return 1; | |
| 90 } | |
| 91 SDL_FillRect(white1x1, NULL, 0xFFFFFFFF); | |
| 92 | |
| 93 // Initialize the empty textures with the white surface | |
| 94 asc_texture_from_surface(&ctx->textures.empty_1x1_2d, white1x1); | |
| 95 asc_texture_from_surface(&ctx->textures.empty_1x1_rect, white1x1); | |
| 96 | |
| 97 return asc_error_catch_all_gl(); | |
| 98 } | |
| 99 | |
| 100 static void asc_texture_destroy_predefined(AscGLContext *ctx) { | |
| 101 asc_texture_destroy(&ctx->textures.empty_1x1_2d); | |
| 102 asc_texture_destroy(&ctx->textures.empty_1x1_rect); | |
| 103 } | |
| 104 | |
| 77 bool asc_gl_context_initialize( | 105 bool asc_gl_context_initialize( |
| 78 AscGLContext *ctx, | 106 AscGLContext *ctx, |
| 79 SDL_Window *window, | 107 SDL_Window *window, |
| 80 AscGLContextSettings const *settings | 108 AscGLContextSettings const *settings |
| 81 ) { | 109 ) { |
| 107 asc_error("Initializing predefined shaders failed"); | 135 asc_error("Initializing predefined shaders failed"); |
| 108 SDL_GL_DeleteContext(ctx->glctx); | 136 SDL_GL_DeleteContext(ctx->glctx); |
| 109 return false; | 137 return false; |
| 110 } | 138 } |
| 111 | 139 |
| 140 if (asc_texture_initialize_predefined(ctx)) { | |
| 141 asc_error("Initializing predefined textures failed"); | |
| 142 return false; | |
| 143 } | |
| 144 | |
| 112 return true; | 145 return true; |
| 113 } else { | 146 } else { |
| 114 asc_error(glewGetErrorString(err)); | 147 asc_error(glewGetErrorString(err)); |
| 115 SDL_GL_DeleteContext(ctx->glctx); | 148 SDL_GL_DeleteContext(ctx->glctx); |
| 116 return false; | 149 return false; |
| 119 | 152 |
| 120 void asc_gl_context_destroy(AscGLContext *ctx) { | 153 void asc_gl_context_destroy(AscGLContext *ctx) { |
| 121 if (ctx->glctx == NULL) return; | 154 if (ctx->glctx == NULL) return; |
| 122 SDL_GL_MakeCurrent(ctx->window, ctx->glctx); | 155 SDL_GL_MakeCurrent(ctx->window, ctx->glctx); |
| 123 | 156 |
| 157 asc_texture_destroy_predefined(ctx); | |
| 124 asc_shader_destroy_predefined(ctx); | 158 asc_shader_destroy_predefined(ctx); |
| 125 asc_primitives_destroy(ctx); | 159 asc_primitives_destroy(ctx); |
| 126 | 160 |
| 127 // destroy the GL context and the window | 161 // destroy the GL context and the window |
| 128 SDL_GL_DeleteContext(ctx->glctx); | 162 SDL_GL_DeleteContext(ctx->glctx); |
