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opengl, antialiasing, vsync, alpha blending

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This commit is contained in:
Tim Hoyt 2025-02-16 03:24:32 -06:00
parent c73dffbb6f
commit 8055ce668c
1 changed files with 9 additions and 3 deletions
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12
examples/SDL2-video-demo/main.c
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@ -48,9 +48,15 @@ int main(int argc, char *argv[]) {
SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
if (SDL_CreateWindowAndRenderer(800, 600, SDL_WINDOW_RESIZABLE, &window, &renderer) < 0) {
fprintf(stderr, "Error: could not create window and renderer: %s", SDL_GetError());
}
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl"); //for antialiasing
window = SDL_CreateWindow("SDL", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 800, 600, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4); //for antialiasing
bool enableVsync = false;
if(enableVsync){ renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);} //"SDL_RENDERER_ACCELERATED" is for antialiasing
else{renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);}
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND); //for alpha blending
uint64_t totalMemorySize = Clay_MinMemorySize();
Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(totalMemorySize, malloc(totalMemorySize));