kc3-lang/SDL

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• Hash : ecea3c4a
  Author :
  Date : 2016-10-01T13:33:32
  

  Fixed bug 3169 - GLES2_CreateRenderer does not check SDL_GL_GetAttribute result, causing use of uninitialized data
  
  Yann Dirson
  
  When attempting to force use of opengles2 renderer with:
  
      int wanted_renderer = -1;
       for (int i = 0; i < numrenderers; i++) {
   	SDL_RendererInfo renderer_info;
   	if (SDL_GetRenderDriverInfo(i, &renderer_info) != 0) {
   	    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't get renderer driver info: %s\n",
   			 SDL_GetError());
   	    quit(2);
   	}
   	std::cerr << "Renderer " << i << " '" << renderer_info.name << "': flags=0x"
   		  << std::hex << renderer_info.flags << std::dec
   		  << ", " << renderer_info.num_texture_formats << " texture formats, max="
   		  << renderer_info.max_texture_width << "x"
   		  << renderer_info.max_texture_height << "\n";
  	if (!strcmp(renderer_info.name, "opengles2")) {
  	    std::cerr << " selecting!\n";
  	    wanted_renderer = i;
  	}
       }
  
      renderer = SDL_CreateRenderer(window, wanted_renderer, 0);
  
  ... on banana pi or raspberry pi I get an error like the following (the actual
  context profile value varies, being used uninitialized)
  
   ERROR: Couldn't create renderer: Unknown OpenGL context profile 900
  
  With this patch I get the following, which should help more pointing to a real problem:
  
   ERROR: Couldn't create renderer: Failed getting OpenGL glGetString entry point
  
  I pushed a patch (based on master branch of unofficial git mirror):
  
  https://github.com/O-Computers/SDL/commit/550389c89f4e73a0a5294f95b9f6e6c18ba48509
  
  
  I'll be opening a different bug for the underlying issue.
  

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• Git HTTP	https://git.kmx.io/kc3-lang/SDL.git
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