diff options
Diffstat (limited to 'examples/game.c')
| -rw-r--r-- | examples/game.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/examples/game.c b/examples/game.c index 850b39b..89b9f3a 100644 --- a/examples/game.c +++ b/examples/game.c @@ -1,8 +1,8 @@ /* GPU example: the application owns context binding, drawing and swap pacing. */ #include <yasl/yasl.h> -#include <yasl/gl.h> -#include <stdio.h> +#include <errno.h> #include <math.h> +#include <stdio.h> #include <string.h> typedef void (*clear_color_fn)(float, float, float, float); @@ -12,11 +12,10 @@ typedef void (*viewport_fn)(int, int, int, int); int main(int argc, char **argv) { bool smoke = argc == 2 && !strcmp(argv[1], "--smoke-test"); - yasl_surface *s = yasl_gl_surface_create(&(struct yasl_surface_options){.title="YASL OpenGL", .width=800, .height=600, .type=YASL_SURFACE_NATIVE, .flags=0}, NULL); - if (!s || (yasl_gl_make_current(s) < 0)) { - const char *error; - error = strerror(errno); - fprintf(stderr, "%s\n", error); + yasl_surface *s = yasl_surface_create(&(struct yasl_surface_options){ + .title = "YASL OpenGL", .width = 800, .height = 600, .type = YASL_SURFACE_GL}); + if (!s || yasl_gl_make_current(s) < 0) { + fprintf(stderr, "%s\n", strerror(errno)); yasl_shutdown(); return 1; } @@ -34,23 +33,34 @@ int main(int argc, char **argv) /* Drain events before each frame; while the display is gone, block until it returns. */ yasl_event e; int n = yasl_wait_event(&e, online ? 0 : -1); - if (n < 0) { result = 1; break; } + if (n < 0) { + result = 1; + break; + } if (e.type == YASL_EVENT_CLOSE || e.type == YASL_EVENT_QUIT || - (e.type == YASL_EVENT_KEY && e.key.key == YASL_KEY_ESCAPE)) running = false; - if (e.type == YASL_EVENT_DISPLAY_LOST) online = false; + (e.type == YASL_EVENT_KEY && e.key.key == YASL_KEY_ESCAPE)) + running = false; + if (e.type == YASL_EVENT_DISPLAY_LOST) { + yasl_gl_make_current(NULL); + online = false; + } if (e.type == YASL_EVENT_DISPLAY_RESTORED) { /* The context is new: bind it again and restore GL state here. */ - online = (yasl_gl_make_current(s) == 0) && (yasl_gl_set_swap_interval(s, 1) == 0); + online = yasl_gl_make_current(s) == 0 && yasl_gl_set_swap_interval(s, 1) == 0; } - if (n > 0 || !online || !running) continue; - int w, h; - yasl_surface_get_framebuffer_size(s, &w, &h); - viewport(0, 0, w, h); + if (n > 0 || !online || !running) + continue; + struct yasl_surface_info info = yasl_surface_get_info(s); + viewport(0, 0, info.pixel_width, info.pixel_height); double t = yasl_time_ns() / 1e9; clear_color((float)(0.3 + 0.2 * sin(t)), 0.2f, 0.4f, 1); clear(0x00004000u); - if ((yasl_gl_present(s) < 0)) { result = 1; break; } - if (smoke && ++frames == 3) break; + if (yasl_gl_present(s) < 0) { + result = 1; + break; + } + if (smoke && ++frames == 3) + break; } yasl_gl_make_current(NULL); yasl_shutdown(); |