Kenneth Graunke
78bd126194
Commitafe3d1556f(i965: Stop doing remapping of "special" regs.) stopped remapping delta_x/delta_y, and additionally stopped considering them always-live. We later realized delta_x was used in register allocaiton, so we actually needed to remap it, which was fixed in commit23d782067a(i965/fs: Keep track of the register that hold delta_x/delta_y.). However, that commit didn't restore the "always consider it live" part. If all the code using delta_x was eliminated, fs_visitor::delta_x would be left pointing at its old register number. Later code in register allocation would handle that register number specially...even though it wasn't actually delta_x. To combat this, set delta_x/y to BAD_FILE if they're eliminated, and check for that. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83127 Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Matt Turner <mattst88@gmail.com> Cc: "10.3" <mesa-stable@lists.freedesktop.org>
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. - 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.