diff options
Diffstat (limited to 'test/sdl2/main.c')
-rw-r--r-- | test/sdl2/main.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/test/sdl2/main.c b/test/sdl2/main.c deleted file mode 100644 index beddc3f..0000000 --- a/test/sdl2/main.c +++ /dev/null @@ -1,48 +0,0 @@ -#include <stdlib.h> -#include <stdbool.h> -#include <math.h> -#include <SDL2/SDL.h> - -#define UPSCALE_FACTOR 3 -#define WIN_HEIGHT 240 -#define WIN_WIDTH 320 -#define FPS 60 - -static void pixel(SDL_Renderer* r, unsigned px, unsigned py, unsigned cr, unsigned cg, unsigned cb) { - SDL_SetRenderDrawColor(r, cr, cg, cb, 255); - SDL_RenderFillRect(r, &(SDL_Rect) {.x = px * UPSCALE_FACTOR, .y = py * UPSCALE_FACTOR, .w = UPSCALE_FACTOR, .h = UPSCALE_FACTOR}); -} - -int main() { - SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS); - SDL_Window *window = SDL_CreateWindow("sdl2 test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIN_WIDTH * UPSCALE_FACTOR, WIN_HEIGHT * UPSCALE_FACTOR, SDL_WINDOW_SHOWN); - SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED); - - SDL_Event e; - unsigned long frame = 0; - while (true) { - uint32_t start = SDL_GetTicks(); - frame++; - while (SDL_PollEvent(&e)) if (e.type == SDL_QUIT) exit(0); - - SDL_RenderClear(renderer); - - for (unsigned i = 0; i < WIN_WIDTH; i++) { - for (unsigned j = 0; j < WIN_HEIGHT; j++) { - pixel(renderer, i, j, (unsigned)(sqrt(i * 20) + frame) % 255, (i * j + frame) % 255, (j * 20) % 255); - } - } - - SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); - SDL_RenderPresent(renderer); - - uint32_t end = SDL_GetTicks(); - int wait_for = 1000 / FPS - (end - start); - if (wait_for > 0) SDL_Delay(wait_for); - } - - SDL_DestroyRenderer(renderer); - SDL_DestroyWindow(window); - SDL_Quit(); - return 0; -} |