Nicolai Hähnle
c11dcfb5e9
primcount must be a GLsizei as in the signature for MultiDrawElements or bad things can happen. Furthermore, an error should be flagged when primcount is negative. Curiously, this code used to work somewhat correctly even when primcount was negative, because the loop that checks count[i] would iterate out of bounds and almost certainly hit a negative value at some point. Found by an ASAN error in GL45-CTS.gtf32.GL3Tests.draw_elements_base_vertex.draw_elements_base_vertex_primcount Note that the OpenGL spec seems to have s/primcount/drawcount/ at some point, and the code still reflects the old language. v2: provide the correct spec quotes (pointed out by Ian) Cc: mesa-stable@lists.freedesktop.org Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v1) Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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 https://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.