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Test probelm

test.c (text/x-csrc), 1.70 KB, created by 15gixh+64kt8tozpu6p0 on 2015-05-01 20:09:16 UTC

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Description:

Filename:

MIME Type:

Creator: 15gixh+64kt8tozpu6p0

Created: 2015-05-01 20:09:16 UTC

Size: 1.70 KB

patch

obsolete

>#include <SDL.h>
>
>#include <stdbool.h>
>
>#define USE_LOCK_TEXTURE 0
>
>int main(int argc, char ** argv)
>{
>  bool quit = false;
>  SDL_Event event;
>
>  SDL_Init(SDL_INIT_VIDEO);
>
>  SDL_Window * window = SDL_CreateWindow("SDL2 Pixel Drawing",
>                                         SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_RESIZABLE);
>
>  SDL_Renderer * renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_PRESENTVSYNC);
>  SDL_Texture * texture = SDL_CreateTexture(renderer,
>                                            SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 640, 480);
>  Uint32 * pixels = malloc(640 * 480 * sizeof(Uint32));
>
>  int f = 0;
>  bool p = true;
>  while (!quit)
>    {
>      f = (f + 1) % 5;
>      if (!f) {
>        p = !p;
>      }
>      while (SDL_PollEvent(&event)) {
>        switch (event.type) {
>        case SDL_QUIT:
>          quit = true;
>          break;
>        }
>      }
>
>      Uint32 *pixels3;
>      if (USE_LOCK_TEXTURE) {
>        int pitch;
>        void *pixels2 = pixels;
>        SDL_LockTexture(texture, NULL, &pixels2, &pitch);
>        pixels3 = (Uint32 *) pixels2;
>      }
>      else {
>        pixels3 = pixels;
>      }
>
>      Uint32 v = p ? 0x000000ff : 0x0;
>      for (size_t i = 0; i < 640 * 480; ++i) {
>        pixels3[i] = v;
>      }
>
>      if (USE_LOCK_TEXTURE) {
>        SDL_UnlockTexture(texture);
>      }
>      else {
>        SDL_UpdateTexture(texture, NULL, pixels, 640 * sizeof(Uint32));
>      }
>
>      SDL_RenderClear(renderer);
>      SDL_RenderCopy(renderer, texture, NULL, NULL);
>      SDL_RenderPresent(renderer);
>    }
>
>  free(pixels);
>  SDL_DestroyTexture(texture);
>  SDL_DestroyRenderer(renderer);
>  SDL_DestroyWindow(window);
>  SDL_Quit();
>
>  return 0;
>}

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Attachments on bug 2973: 2145

We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.