comparison: src/glcontext.c
src/glcontext.c
- changeset 81
- 84a546e282b7
- parent 80
- 9f7bfc0a1dc3
- child 88
- 6234b7ea48f3
equal
deleted
inserted
replaced
| 80:9f7bfc0a1dc3 | 81:84a546e282b7 |
|---|---|
| 46 asc_dprintf("GL debug: %.*s", (int)buf.length, buf.ptr); | 46 asc_dprintf("GL debug: %.*s", (int)buf.length, buf.ptr); |
| 47 } | 47 } |
| 48 cx_strfree(&buf); | 48 cx_strfree(&buf); |
| 49 } | 49 } |
| 50 | 50 |
| 51 static int asc_primitives_init(AscGLContext *context) { | |
| 52 asc_dprintf("Create primitives for the GL context of active window."); | |
| 53 asc_mesh_allocate_buffers((AscMesh*)&context->primitives, sizeof(context->primitives) / sizeof(AscMesh)); | |
| 54 | |
| 55 asc_primitives_init_plane(&context->primitives.plane); | |
| 56 // TODO: more primitives | |
| 57 | |
| 58 return asc_error_catch_all_gl(); | |
| 59 } | |
| 60 | |
| 61 static void asc_primitives_destroy(AscGLContext *context) { | |
| 62 asc_dprintf("Destroy primitives in GL context of active window."); | |
| 63 asc_mesh_free_buffers((AscMesh*)&context->primitives, sizeof(context->primitives) / sizeof(AscMesh)); | |
| 64 } | |
| 65 | |
| 51 static int asc_shader_initialize_predefined(AscGLContext *ctx) { | 66 static int asc_shader_initialize_predefined(AscGLContext *ctx) { |
| 52 int ret = 0; | 67 int ret = 0; |
| 53 ret |= asc_shader_sprite_init(&ctx->shader.sprite); | 68 ret |= asc_shader_sprite_init(&ctx->shader.sprite); |
| 69 ret |= asc_error_catch_all_gl(); | |
| 54 return ret; | 70 return ret; |
| 55 } | 71 } |
| 56 | 72 |
| 57 static void asc_shader_destroy_predefined(AscGLContext *ctx) { | 73 static void asc_shader_destroy_predefined(AscGLContext *ctx) { |
| 58 asc_shader_program_destroy(&ctx->shader.sprite.program); | 74 asc_shader_program_destroy(&ctx->shader.sprite.program); |
| 79 | 95 |
| 80 glClearColor(0.0f, 0.0f, 0.0f, 1.0f); | 96 glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| 81 glEnable(GL_DEBUG_OUTPUT); | 97 glEnable(GL_DEBUG_OUTPUT); |
| 82 glDebugMessageCallback(asc_gl_debug_callback, NULL); | 98 glDebugMessageCallback(asc_gl_debug_callback, NULL); |
| 83 | 99 |
| 84 if (!asc_primitives_init(&ctx->primitives)) { | 100 if (asc_primitives_init(ctx)) { |
| 85 asc_error("Creating primitive meshes failed"); | 101 asc_error("Creating primitive meshes failed"); |
| 86 SDL_GL_DeleteContext(ctx->glctx); | 102 SDL_GL_DeleteContext(ctx->glctx); |
| 87 return false; | 103 return false; |
| 88 } | 104 } |
| 89 | 105 |
| 90 if (asc_shader_initialize_predefined(ctx)) { | 106 if (asc_shader_initialize_predefined(ctx)) { |
| 107 asc_error("Initializing predefined shaders failed"); | |
| 91 SDL_GL_DeleteContext(ctx->glctx); | 108 SDL_GL_DeleteContext(ctx->glctx); |
| 92 return false; | 109 return false; |
| 93 } | 110 } |
| 94 | 111 |
| 95 return true; | 112 return true; |
| 103 void asc_gl_context_destroy(AscGLContext *ctx) { | 120 void asc_gl_context_destroy(AscGLContext *ctx) { |
| 104 if (ctx->glctx == NULL) return; | 121 if (ctx->glctx == NULL) return; |
| 105 SDL_GL_MakeCurrent(ctx->window, ctx->glctx); | 122 SDL_GL_MakeCurrent(ctx->window, ctx->glctx); |
| 106 | 123 |
| 107 asc_shader_destroy_predefined(ctx); | 124 asc_shader_destroy_predefined(ctx); |
| 108 asc_primitives_destroy(&ctx->primitives); | 125 asc_primitives_destroy(ctx); |
| 109 | 126 |
| 110 // destroy the GL context and the window | 127 // destroy the GL context and the window |
| 111 SDL_GL_DeleteContext(ctx->glctx); | 128 SDL_GL_DeleteContext(ctx->glctx); |
| 112 ctx->glctx = NULL; | 129 ctx->glctx = NULL; |
| 113 } | 130 } |
