comparison: src/window.c
src/window.c
- changeset 16
- c5dde81b6fb2
- parent 13
- f04a49b2aeee
- child 29
- 1d001eb694dc
equal
deleted
inserted
replaced
| 15:362b7659dc76 | 16:c5dde81b6fb2 |
|---|---|
| 43 "source = %d, id = %u, type = %d, severity= %d, message = %.*s", | 43 "source = %d, id = %u, type = %d, severity= %d, message = %.*s", |
| 44 source, id, type, severity, length, message); | 44 source, id, type, severity, length, message); |
| 45 if (type == GL_DEBUG_TYPE_ERROR) { | 45 if (type == GL_DEBUG_TYPE_ERROR) { |
| 46 asc_error(buf.ptr); | 46 asc_error(buf.ptr); |
| 47 } else { | 47 } else { |
| 48 asc_dprintf("GL debug: %*.s", (int)buf.length, buf.ptr); | 48 asc_dprintf("GL debug: %.*s", (int)buf.length, buf.ptr); |
| 49 } | 49 } |
| 50 cx_strfree(&buf); | 50 cx_strfree(&buf); |
| 51 } | |
| 52 | |
| 53 | |
| 54 static void asc_event_window_resized(Uint32 id, Sint32 width, Sint32 height) { | |
| 55 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) { | |
| 56 if (asc_context.windows[i].id == id) { | |
| 57 asc_context.windows[i].dimensions.width = width; | |
| 58 asc_context.windows[i].dimensions.height = height; | |
| 59 asc_mat4f_ortho(asc_context.windows[i].projection, 0, (float) width, (float) height, 0); | |
| 60 return; | |
| 61 } | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 bool asc_loop_next(void) { | |
| 66 // dispatch SDL events | |
| 67 SDL_Event event; | |
| 68 while (SDL_PollEvent(&event)) { | |
| 69 switch (event.type) { | |
| 70 case SDL_QUIT: | |
| 71 asc_set_flag(&asc_context.flags, ASC_FLAG_QUIT); | |
| 72 break; | |
| 73 case SDL_WINDOWEVENT: { | |
| 74 if (event.window.type == SDL_WINDOWEVENT_RESIZED) | |
| 75 asc_event_window_resized( | |
| 76 event.window.windowID, | |
| 77 event.window.data1, | |
| 78 event.window.data2 | |
| 79 ); | |
| 80 break; | |
| 81 } | |
| 82 case SDL_KEYDOWN: | |
| 83 // TODO: remove this code and implement key press map instead | |
| 84 if (event.key.keysym.sym == SDLK_ESCAPE) | |
| 85 return false; | |
| 86 break; | |
| 87 case SDL_KEYUP: | |
| 88 // TODO: implement key press map | |
| 89 break; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 // sync the windows | |
| 94 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) { | |
| 95 if (asc_context.windows[i].id > 0) { | |
| 96 asc_window_sync(&asc_context.windows[i]); | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 return !asc_test_flag(asc_context.flags, ASC_FLAG_QUIT); | |
| 101 } | 51 } |
| 102 | 52 |
| 103 void asc_window_settings_init_defaults(AscWindowSettings* settings) { | 53 void asc_window_settings_init_defaults(AscWindowSettings* settings) { |
| 104 settings->depth_size = 24; | 54 settings->depth_size = 24; |
| 105 settings->vsync = 1; | 55 settings->vsync = 1; |
| 168 glEnable(GL_DEPTH_TEST); | 118 glEnable(GL_DEPTH_TEST); |
| 169 glEnable(GL_BLEND); | 119 glEnable(GL_BLEND); |
| 170 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | 120 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 171 glEnable(GL_DEBUG_OUTPUT); | 121 glEnable(GL_DEBUG_OUTPUT); |
| 172 glDebugMessageCallback(asc_gl_debug_callback, NULL); | 122 glDebugMessageCallback(asc_gl_debug_callback, NULL); |
| 123 | |
| 173 asc_dprintf("Window %u initialized", window->id); | 124 asc_dprintf("Window %u initialized", window->id); |
| 174 return window; | 125 if (asc_primitives_init(&window->primitives)) { |
| 126 asc_context.active_window = window; | |
| 127 return window; | |
| 128 } else { | |
| 129 asc_dprintf("!!! Creating primitives for window %u failed !!!", window->id); | |
| 130 } | |
| 175 } else { | 131 } else { |
| 176 asc_error(glewGetErrorString(err)); | 132 asc_error(glewGetErrorString(err)); |
| 177 } | 133 } |
| 178 } | 134 } |
| 179 | 135 |
| 189 | 145 |
| 190 void asc_window_destroy(AscWindow* window) { | 146 void asc_window_destroy(AscWindow* window) { |
| 191 // safeguard | 147 // safeguard |
| 192 if (window->id == 0) return; | 148 if (window->id == 0) return; |
| 193 | 149 |
| 150 // this window cannot be active anymore | |
| 151 if (asc_context.active_window == window) { | |
| 152 asc_context.active_window = NULL; | |
| 153 } | |
| 154 | |
| 155 // release context related data (we have to make the GL context current for this) | |
| 156 SDL_GL_MakeCurrent(window->window, window->glctx); | |
| 157 asc_primitives_destroy(&window->primitives); | |
| 158 | |
| 194 // destroy the GL context and the window | 159 // destroy the GL context and the window |
| 195 if (window->glctx != NULL) { | 160 if (window->glctx != NULL) { |
| 196 SDL_GL_DeleteContext(window->glctx); | 161 SDL_GL_DeleteContext(window->glctx); |
| 197 } | 162 } |
| 198 if (window->window != NULL) { | 163 if (window->window != NULL) { |
| 199 SDL_DestroyWindow(window->window); | 164 SDL_DestroyWindow(window->window); |
| 200 } | 165 } |
| 201 | 166 |
| 167 // if another window was active, make the other context current again | |
| 168 if (asc_context.active_window != NULL) { | |
| 169 AscWindow const *aw = asc_context.active_window; | |
| 170 SDL_GL_MakeCurrent(aw->window, aw->glctx); | |
| 171 } | |
| 172 | |
| 202 // clean the data | 173 // clean the data |
| 203 asc_dprintf("Window %u and its OpenGL context destroyed.", window->id); | 174 asc_dprintf("Window %u and its OpenGL context destroyed.", window->id); |
| 204 memset(window, 0, sizeof(AscWindow)); | 175 memset(window, 0, sizeof(AscWindow)); |
| 205 } | 176 } |
| 206 | 177 |
| 207 void asc_window_sync(AscWindow const* window) { | 178 void asc_window_sync(AscWindow const* window) { |
| 208 SDL_GL_MakeCurrent(window->window, window->glctx); | 179 AscWindow const *active_window = asc_context.active_window; |
| 180 if (window != active_window) { | |
| 181 asc_window_activate(window); | |
| 182 } | |
| 209 SDL_GL_SwapWindow(window->window); | 183 SDL_GL_SwapWindow(window->window); |
| 210 glViewport(0, 0, window->dimensions.width, window->dimensions.height); | 184 glViewport(0, 0, window->dimensions.width, window->dimensions.height); |
| 211 glClearColor(0.0f, 0.0f, 0.0f, 1.0f); | 185 glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| 212 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | 186 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| 187 if (window != active_window) { | |
| 188 asc_window_activate(active_window); | |
| 189 } | |
| 213 } | 190 } |
| 191 | |
| 192 void asc_window_activate(AscWindow const *window) { | |
| 193 SDL_GL_MakeCurrent(window->window, window->glctx); | |
| 194 asc_context.active_window = window; | |
| 195 } |
