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我正在嘗試使用SDL/opengl進行多重採樣,但SDL不會接受設置SDL_MULTISAMPLEBUFFERS和SDL_MULTISAMPLESAMPLES。相反,這些都保留爲0,SDL_SetVideoMode()將在以後失敗。我知道我的硬件可以用4倍多重採樣完成這種像素格式。我正在運行Ubuntu 10.10。SDL/opengl多重採樣不起作用
代碼:
SDL_Init(SDL_INIT_VIDEO);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 0);
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
Uint32 flags;
flags = SDL_OPENGL;
if(m_bFullscreen)
{
flags = flags | SDL_FULLSCREEN;
}
SDL_SetVideoMode(m_sizeX, m_sizeY, 0, flags);
什麼是您的視頻卡和驅動程序? – SurvivalMachine
GF7950GT在Linux-x86_64上的驅動程序260.19.06 – gufftan