diff options
Diffstat (limited to 'gfx-app')
-rw-r--r-- | gfx-app/include/gfx/gfx_app.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/gfx-app/include/gfx/gfx_app.h b/gfx-app/include/gfx/gfx_app.h index 0033bde..3c544fa 100644 --- a/gfx-app/include/gfx/gfx_app.h +++ b/gfx-app/include/gfx/gfx_app.h | |||
@@ -2,6 +2,7 @@ | |||
2 | 2 | ||
3 | #include <stdbool.h> | 3 | #include <stdbool.h> |
4 | 4 | ||
5 | /// Application settings. | ||
5 | typedef struct GfxAppDesc { | 6 | typedef struct GfxAppDesc { |
6 | int argc; // Number of application arguments. | 7 | int argc; // Number of application arguments. |
7 | const char** argv; // Application arguments. | 8 | const char** argv; // Application arguments. |
@@ -12,12 +13,19 @@ typedef struct GfxAppDesc { | |||
12 | const char* title; // Window title. | 13 | const char* title; // Window title. |
13 | } GfxAppDesc; | 14 | } GfxAppDesc; |
14 | 15 | ||
16 | typedef bool (*GfxAppInit)(const GfxAppDesc*, void** app_state); | ||
17 | typedef void (*GfxAppUpdate)(void* app_state, double t, double dt); | ||
18 | typedef void (*GfxAppRender)(void* app_state); | ||
19 | typedef void (*GfxAppResize)(void* app_state, int width, int height); | ||
20 | typedef void (*GfxAppShutdown)(void* app_state); | ||
21 | |||
22 | /// Application callback functions. | ||
15 | typedef struct GfxAppCallbacks { | 23 | typedef struct GfxAppCallbacks { |
16 | bool (*init)(const GfxAppDesc*, void** app_state); | 24 | GfxAppInit init; |
17 | void (*update)(void* app_state, double t, double dt); | 25 | GfxAppUpdate update; |
18 | void (*render)(void* app_state); | 26 | GfxAppRender render; |
19 | void (*resize)(void* app_state, int width, int height); | 27 | GfxAppResize resize; |
20 | void (*shutdown)(void* app_state); | 28 | GfxAppShutdown shutdown; |
21 | } GfxAppCallbacks; | 29 | } GfxAppCallbacks; |
22 | 30 | ||
23 | /// Create a window with an OpenGL context and run the main loop. | 31 | /// Create a window with an OpenGL context and run the main loop. |
@@ -25,3 +33,24 @@ bool gfx_app_run(const GfxAppDesc*, const GfxAppCallbacks*); | |||
25 | 33 | ||
26 | /// Get the mouse coordinates relative to the app's window. | 34 | /// Get the mouse coordinates relative to the app's window. |
27 | void gfx_app_get_mouse_position(double* x, double* y); | 35 | void gfx_app_get_mouse_position(double* x, double* y); |
36 | |||
37 | /// Define a main function that initializes and puts the application in a loop. | ||
38 | /// See also: gfx_app_run(). | ||
39 | #define GFX_APP_MAIN(WIDTH, HEIGHT, MAX_FPS) \ | ||
40 | int main(int argc, const char** argv) { \ | ||
41 | gfx_app_run( \ | ||
42 | &(GfxAppDesc){ \ | ||
43 | .argc = argc, \ | ||
44 | .argv = argv, \ | ||
45 | .width = WIDTH, \ | ||
46 | .height = HEIGHT, \ | ||
47 | .max_fps = MAX_FPS, \ | ||
48 | .update_delta_time = MAX_FPS > 0 ? 1.0 / (double)MAX_FPS : 0.0}, \ | ||
49 | &(GfxAppCallbacks){ \ | ||
50 | .init = (GfxAppInit)app_init, \ | ||
51 | .update = (GfxAppUpdate)app_update, \ | ||
52 | .render = (GfxAppRender)app_render, \ | ||
53 | .resize = (GfxAppResize)app_resize, \ | ||
54 | .shutdown = (GfxAppShutdown)app_end}); \ | ||
55 | return 0; \ | ||
56 | } | ||