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Mathias Fröhlich 8a7cb5d21c glsl: Avoid excessive loop unrolling. 
Avoid unrollong loops that are either nested loops or
where the loop body times the unroll count is huge.

The change is far from being perfect but it extends the
loop unrolling decision heuristic by some additional
safeguard. In particular this cuts down compilation of
a shader precomputing atmospheric scattering integral
tables containing two nesting levels in a loop from
something way beyond some minutes (I never waited for
it to finish) to some fractions of a second.

This fixes piglit tests glsl-fs-unroll-explosion and
glsl-vs-unroll-explosion on r600g.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>
(cherry picked from commit 67007080b7)
2012-05-17 21:27:59 -07:00
bin Add .gitignore files to exclude unit test build artifacts from git 2012-01-05 13:27:12 -08:00
configs mesa: bump version to 8.0.2 in configs/default 2012-05-07 08:59:05 -06:00
docs docs: Add 8.0.2 md5sums 2012-03-21 19:19:59 +00:00
doxygen gallium/failover: Remove the deprecated module. 2011-11-30 17:26:40 +00:00
include intel: add PCI IDs for Ivy Bridge GT2 server variant 2012-05-17 08:16:09 -07:00
scons scons: Fix libGL.so build. 2012-01-10 17:42:02 +00:00
src glsl: Avoid excessive loop unrolling. 2012-05-17 21:27:59 -07:00
tests Add .gitignore files to exclude unit test build artifacts from git 2012-01-05 13:27:12 -08:00
.emacs-dirvars Add emacs dirvars file with Mesa indention definition. 2007-09-18 10:02:51 -04:00
.gitattributes Allow CRLF automatic conversion on MSVC project files. 2008-06-24 22:25:52 +09:00
.gitignore Ignore all shared objects 2011-10-04 07:48:45 -06:00
acinclude.m4 autoconf: Attempt to figure out the PIC flags for the platform 2008-05-09 07:05:16 -07:00
Android.common.mk android: pass -std=c99 by default 2011-11-26 11:42:08 +08:00
Android.mk android: move libGLES_mesa build rules to src/egl/main/. 2011-11-26 11:42:08 +08:00
autogen.sh autogen.sh: Honor NOCONFIGURE environment variable 2011-09-19 19:53:49 +01:00
common.py gallium/cell: Remove the driver. 2011-11-29 20:26:53 +00:00
configure.ac Remove -ffast-math from default CFLAGS 2012-05-17 17:20:32 -07:00
Makefile mesa: Bump version number to 8.0.2 2012-03-21 17:55:53 +00:00
SConstruct scons: Disable saving options automatically. 2011-07-01 19:04:57 +01:00

docs/README.WIN32 

File: docs/README.WIN32

Last updated: 23 April 2011


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.


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.