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4f1d757b86
There were several bugs how this was handled, most opcodes wouldn't even have fetched the right arguments. Also, the tex "target" is coming from the sampler view, hence it cannot have information about shadow comparisons - fortunately this is not only sampler state but also needs to have matching instruction, so just use this instead to identify shadow comparisons. Still untested (compiles...). Note that sample_i and sviewinfo are still busted (just assert). (The problem is that the interface for doing the opengl-equivalent functions txf and txq is tied to the specific the sampler itself but these opcodes have no sampler associated with them. Oops...) Also, even the other sample instructions will not work correctly since they always operate on samplers which include the texture state. Fixing this wouldn't be that difficult but most likely make softpipe quite a bit slower when using the OpenGL tex opcodes (as the samplers have pre-baked function calls in the sampler state depending on texture state and that stuff would need to be evaluated at runtime), so leave it for now. Reviewed-by: Jose Fonseca <jfonseca@vmware.com> |
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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.