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All drivers remaining in Mesa support this extension. This extension is either required or optional features in desktop OpenGL, OpenGL ES 1.x, and OpenGL ES 2.x. The existing support is already partially broken in Mesa (e.g., querying GL_TEXTURE_ENV_MODE in OpenGL ES 2.x). This patch does not change the situation in any way. It looks like the only hardware supported by Mesa that cannot do ARB_texture_env_combine is pre-NV10 NVIDA chips. It appears that these chips cannot do the GL_SUBTRACT mode. Based on looking at older copies of nvOpenGLspecs.pdf found on the net, NVIDIA never supported ARB_texture_env_combine on those chips either. This extension was previously not supported on mach64, mga (G200), r128, savage, sis, and tdfx (Voodoo Banshee and Voodoo3). Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
File: docs/README.WIN32 Last updated: 23 April 2011 Quick Start ----- ----- Windows drivers are build with SCons. Makefiles or Visual Studio projects are no longer shipped or supported. Run scons osmesa mesagdi to build classic mesa Windows GDI drivers; or scons libgl-gdi to build gallium based GDI driver. This will work both with MSVS or Mingw. Windows Drivers ------- ------- At this time, only the gallium GDI driver is known to work. Source code also exists in the tree for other drivers in src/mesa/drivers/windows, but the status of this code is unknown. General ------- After building, you can copy the above DLL files to a place in your PATH such as $SystemRoot/SYSTEM32. If you don't like putting things in a system directory, place them in the same directory as the executable(s). Be careful about accidentially overwriting files of the same name in the SYSTEM32 directory. The DLL files are built so that the external entry points use the stdcall calling convention. Static LIB files are not built. The LIB files that are built with are the linker import files associated with the DLL files. The si-glu sources are used to build the GLU libs. This was done mainly to get the better tessellator code. If you have a Windows-related build problem or question, please post to the mesa-dev or mesa-users list.