diff --git a/test/testsprite2.c b/test/testsprite2.c index b0348f85d..f471ff319 100644 --- a/test/testsprite2.c +++ b/test/testsprite2.c @@ -37,6 +37,8 @@ static SDL_Rect *positions; static SDL_Rect *velocities; static int sprite_w, sprite_h; static SDL_BlendMode blendMode = SDL_BLENDMODE_BLEND; +static Uint32 next_fps_check, frames; +static const Uint32 fps_check_delay = 5000; /* Number of iterations to move sprites - used for visual tests. */ /* -1: infinite random moves (default); >=0: enables N deterministic moves */ @@ -244,6 +246,7 @@ MoveSprites(SDL_Renderer * renderer, SDL_Texture * sprite) void loop() { + Uint32 now; int i; SDL_Event event; @@ -261,13 +264,24 @@ loop() emscripten_cancel_main_loop(); } #endif + + frames++; + now = SDL_GetTicks(); + if (SDL_TICKS_PASSED(now, next_fps_check)) { + /* Print out some timing information */ + const Uint32 then = next_fps_check - fps_check_delay; + const double fps = ((double) frames * 1000) / (now - then); + SDL_Log("%2.2f frames per second\n", fps); + next_fps_check = now + fps_check_delay; + frames = 0; + } + } int main(int argc, char *argv[]) { int i; - Uint32 then, now, frames; Uint64 seed; const char *icon = "icon.bmp"; @@ -384,24 +398,17 @@ main(int argc, char *argv[]) /* Main render loop */ frames = 0; - then = SDL_GetTicks(); + next_fps_check = SDL_GetTicks() + fps_check_delay; done = 0; #ifdef __EMSCRIPTEN__ emscripten_set_main_loop(loop, 0, 1); #else while (!done) { - ++frames; loop(); } #endif - /* Print out some timing information */ - now = SDL_GetTicks(); - if (now > then) { - double fps = ((double) frames * 1000) / (now - then); - SDL_Log("%2.2f frames per second\n", fps); - } quit(0); return 0; }