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In the past, BLORP has clobbered all BRW_NEW_* state flags, to trigger re-emission of the entire 3D pipeline on the next draw. However, there are some packets BLORP simply leaves alone, so there's no need to re-emit them. Trying to reduce the set of dirty bits flagged after BLORP runs is tricky. Instead, we introduce a BRW_NEW_BLORP flag. This should be set on any atom which emits a packet that BLORP also emits. When BLORP runs, it will flag BRW_NEW_BLORP, causing those packets to get re-emitted. This also makes it easy to avoid re-emitting specific atoms - we can simply drop the BRW_NEW_BLORP flag on those. To start, we assume that all packets need to be re-emitted. This is the safest approach and closest to the existing code's behavior. Many of these are obviously not required, and can be dropped in subsequent patches. Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com> Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> |
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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.