On 2/24/2015 8:18 AM, Gan wrote:


Doesn't work. Still gives the same OpenGL too low error. I think you
need to place the lines
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
             SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
             SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
SDL_GL_CONTEXT_PROFILE_CORE);
             SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS,
SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG);

before window creation.

Yes. All SDL_GL_SetAttributes must be called before window creation for them to have any effect. I thought that was already understood.

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