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02675622b0
On the RSxxx chip series, HW TCL is missing and r300_emit_vs_state()
is never called.
However, if R300_VAP_CNTL is never set, the hardware (at least the
RS690 I tested this on) comes up with rendering artifacts, and
parts that are uploaded before this "fix" remain broken in VRAM.
This causes artifacts as in fdo#69076 ("triangle flickering").
It seems like this setup needs to happen at least once after power on
for 3D rendering to work properly. In the DDX with EXA, this happens in
RADEON_SWITCH_TO_3D() when processing an XRENDER Composite or an
Xv request. So playing back a video or starting a GTK+2 application
fixes 3D rendering for the rest of the session. However, this auto-fix
doesn't happen when EXA is not used, such as with GLAMOR or Wayland.
This patch ensures the register is configured even in absence of
the DDX's EXA module.
The register setting is taken from:
xf86-video-ati -- RADEONInit3DEngineInternal()
mesa/src/mesa/drivers/dri/r300 -- r300EmitClearState()
Tested on RS690.
CC: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Max Staudt <mstaudt@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.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.