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code sample

file_2144.txt (text/plain), 2.72 KB, created by Sam Lantinga on 2013-10-11 04:44:40 UTC

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Description:

Filename:

MIME Type:

Creator: Sam Lantinga

Created: 2013-10-11 04:44:40 UTC

Size: 2.72 KB

patch

obsolete

>// build on intel 3000 graphics mountain lion macbook air 13
>// gcc -Werror -Wall -ggdb3  -L/users/xaxxon/downloads/SDL2-2.0.0/build/.libs/  -lSDL2 -lSDL2_ttf -framework OpenGL -framework CoreGraphics gltest.c -o gltest && ./gltest
>
>
>#include <OpenGL/gl3.h>
>#include <OpenGL/gl3ext.h>
>#include <SDL2/sdl.h>
>#include <assert.h>
>
>
>int main() {
>  SDL_Init(SDL_INIT_EVERYTHING);
> 
>  
>  int display_count = SDL_GetNumVideoDisplays();
>  printf("display count %d\n", display_count);	
>  int i = 0;
>  for (i = 0; i < display_count; i++) {
>	  int mode_count = SDL_GetNumDisplayModes(i);
>	  printf("Mode count %d\n", mode_count);
>	  int j = 0;
>	  for (j = 0; j < mode_count; j++) {
>		  SDL_DisplayMode mode;
>		  int result = SDL_GetDisplayMode(i, j, &mode);
>		  if(result < 0) {
>			  printf("ERROR getting modes <put error here>\n");
>		  } else {
>			  printf("Format %d/%d: %d x %d at %d (looking for %d)\n", i, j, mode.w, mode.h, mode.format, SDL_PIXELFORMAT_ARGB8888);
>		  }
>	  }
>  }
>  
>  
>  SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
>  SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
>  SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
>  
>  
>  
>  SDL_Window *win = SDL_CreateWindow("My Game!", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1440, 900, SDL_WINDOW_FULLSCREEN | SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN);
>// SDL_Window *win = SDL_CreateWindow(
>//     "SDL2/OpenGL Demo", 0, 0, 640, 480, 
>//     SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE);
>  
>  // SDL_Window *win = SDL_CreateWindow("My Game!", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1440, 900, SDL_WINDOW_SHOWN);
>  if (win == NULL){
>    return 1;
>  }
>
>  // SDL_Renderer * renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
>  // if (renderer == NULL){
>  //   return 1;
>  // }
>  
>  
>  // if (TTF_Init() == -1){
>  //     return 2;
>  // }
>    
>  
>
>  /* Turn on double buffering with a 24bit Z buffer.
>   * You may need to change this to 16 or 32 for your system */
>  SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
>  SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
>
>  SDL_GLContext context = SDL_GL_CreateContext(win);
>  assert(context != NULL);
>
>    // GLenum err = glewInit();
>    // assert(GLEW_OK == err);
>  
>  
>  glEnable( GL_BLEND );
>  assert(glGetError() == 0);
>  glEnable( GL_DEPTH_TEST);
>  assert(glGetError() == 0);
>  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
>  assert(glGetError() == 0);
>  
>  
>  
>  glClearColor(1,0,0,1);
>  assert(!glGetError());
>  fprintf(stderr, "FB status: %d\n", glCheckFramebufferStatus(GL_FRAMEBUFFER));
>  
>  glClear(GL_COLOR_BUFFER_BIT);
>  assert(!glGetError());
>  SDL_GL_SwapWindow(win);
>  
>  SDL_Delay(2000);
>}

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Attachments on bug 2144: 1361

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.