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Normally when a built-in array (such as gl_ClipDistance) is redeclared, we call get_variable_being_redeclared() to do the redeclaration, and it in turn calls check_builtin_array_max_size() to make sure that the redeclared array size isn't too large. However when a built-in array is redeclared as part of redeclaring gl_in, we don't call get_variable_being_redeclared() (since the individual built-ins aren't each represented by their own ir_variable anymore). So we need to add an explicit call to check_builtin_array_max_size() to make sure the new array size isn't too large. Note: at the moment this is redundant with a test that's done at link time, so there's no change to piglit results. But the patch that follows will prevent link errors from being reported if gl_PerVertex isn't used, so in order to prevent that patch from causing regressions, we need to add the compile check now. Besides, it's nicer to report this error at compile time anyhow. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.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 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. Recipe ------ Building on windows requires several open-source packages. These are steps that work as of this writing. 1) install python 2.7 2) install scons (latest) 3) install mingw, flex, and bison 4) install libxml2 from here: http://www.lfd.uci.edu/~gohlke/pythonlibs get libxml2-python-2.9.1.win-amd64-py2.7.exe 5) install pywin32 from here: http://www.lfd.uci.edu/~gohlke/pythonlibs get pywin32-218.4.win-amd64-py2.7.exe 6) install git 7) download mesa from git see http://www.mesa3d.org/repository.html 8) 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.