foreverml的专栏

D3DFVF_XYZ和D3DFVF_XYZRHW有什么区别？以前好像没有仔细思考过，只是见到Beginning DirectX9中如是说：The RHW value, which stands for Reciprocal of Homogeneous W[1], tells Direct3D that the vertices that are being used are already in

这几天做3D地形。以前做的时候用的是自己写的读取高度图函数，这次做直接调用引擎的多线程函数读取8位高度纹理，然后按字节解析。用的513 * 513*8bit的纹理，但LockRect得出的pitch大小是516，这是因为LockRect的每行是按4字节对齐的(32位系统)，每行的末尾会补上3个0字节。如果用16位或32位字节的高度图就不会出现这问题，因为pitch是描述的是D3DSurface内存

http://msdn.microsoft.com/en-us/library/windows/desktop/aa378137(v=vs.85).aspxCommon HRESULT Values28 out of 42 rated this helpful - Rate this topicThe following HRESULT values

http://www.toymaker.info/Games/html/directx_q_a.htmlI have a DirectX related bug I cannot track down!The first thing to do is to check the debug output in Viz, DirectX puts warnings and er

Walkthrough: Hosting Direct3D9 Content in WPF.NET Framework 4.5Other Versions0 out of 1 rated this helpful - Rate this topicThis walkthrough shows h

Performance Considerations for Direct3D9 and WPF Interoperability.NET Framework 4.5Other Versions0 out of 1 rated this helpful - Rate this topicYou

Walkthrough: Creating Direct3D9 Content for Hosting in WPF.NET Framework 4.5Other VersionsThis walkthrough shows how to create Direct3D9 content that is sui