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This patch switches non-TGSI compute shaders over to using the HSA ABI described here: https://github.com/RadeonOpenCompute/ROCm-Docs/blob/master/AMDGPU-ABI.md The HSA ABI provides a much cleaner interface for compute shaders and allows us to share more code in the compiler with the HSA stack. The main changes in this patch are: - We now pass the scratch buffer resource into the shader via user sgprs rather than using relocations. - Grid/Block sizes are now passed to the shader via the dispatch packet rather than at the beginning of the kernel arguments. Typically for HSA, the CP firmware will create the dispatch packet and set up the user sgprs automatically. However, in Mesa we let the driver do this work. The main reason for this is that I haven't researched how to get the CP to do all these things, and I'm not sure if it is supported for all GPUs. v2: - Add comments explaining why we are setting certain bits of the scratch resource descriptor. v3: - Use amdgcn-mesa-mesa3d triple instead of amdgcn--mesa3d. Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> |
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File: docs/README.WIN32 Last updated: 21 June 2013 Quick Start ----- ----- Windows drivers are build with SCons. Makefiles or Visual Studio projects are no longer shipped or supported. Run 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. Recipe ------ Building on windows requires several open-source packages. These are steps that work as of this writing. - install python 2.7 - install scons (latest) - install mingw, flex, and bison - install pywin32 from here: http://www.lfd.uci.edu/~gohlke/pythonlibs get pywin32-218.4.win-amd64-py2.7.exe - install git - download mesa from git see http://www.mesa3d.org/repository.html - run scons 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.