我的建议是：使用 sdl_hwsurface|sdl_doublebuf。如果出错的话，使用sdl_swsurface.
sdl_setvideomode 返回指向sdl_surface的指针，出错的话返回null。使用如下代码检测出错：
if ( screen == null )
{
printf("unable to set 640x480 video: %s\n", sdl_geterror());
GFX with SDL Lesson 1: Getting started with SDL(翻译)[19]
[入库：2005年8月19日] [更新：2007年3月24日]
本文简介：选择自 heroboy2000 的 blog
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本文关键：GFX with SDL Lesson 1: Getting started with SDL(翻译)
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