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Jason Ekstrand 0ae9ce0f29 i965/clear: Quantize the depth clear value based on the format 
In f9fd976e8a we changed the clear value to be stored as an
isl_color_value.  This had the side-effect same clear value check is now
happening directly between the f32[0] field of the isl_color_value and
ctx->Depth.Clear.  This isn't what we want for two reasons.  One is that
the comparison happens in floating point even for Z16 and Z24 formats.
Worse than that, ctx->Depth.Clear is a double so, even for 32-bit float
formats, we were comparing as doubles and not floats.  This means that
the test basically always fails for anything other than 0.0f and 1.0f.
This caused a slight performance regression in Lightsmark 2008 because
it was using a depth clear value of 0.999 which can't be stored in a
32-bit float so we were doing unneeded resolves.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Bugzilla: https://bugs.freedesktop.org/101678
Cc: "17.2" <mesa-stable@lists.freedesktop.org>
2017-08-21 22:18:53 -07:00
bin git_sha1_gen: catch any error the same way 2017-08-02 14:57:54 +01:00
docs docs: remove link to MissingFunctionality wiki page 2017-08-22 11:03:08 +10:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include egl: Fix inclusion of egl.h+mesa_glinterop.h 2017-08-21 14:45:44 -07:00
m4 build: Remove unused AX_CHECK_COMPILE_FLAG macro 2016-07-25 15:14:12 +02:00
scons scons: split out check_header() helper 2017-07-14 13:23:54 +01:00
scripts get_reviewer.pl: fix mesa check 2016-08-30 16:44:00 -04:00
src i965/clear: Quantize the depth clear value based on the format 2017-08-21 22:18:53 -07:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig editorconfig: Fix up the tab rendering width. 2017-01-03 10:38:53 -08:00
.gitattributes Disable autocrlf for Visual Studio project files. 2008-02-28 12:34:01 +09:00
.gitignore .gitignore: Ignore tags generated by make tags 2016-08-24 11:33:48 +01:00
.mailmap .mailmap: Update my address again 2016-08-25 13:55:52 -07:00
.travis.yml travis: add missing wayland-protocols 2017-07-19 22:17:41 +03:00
Android.common.mk configure.ac: Introduce HAVE_ARM_ASM/HAVE_AARCH64_ASM and the -D flags. 2017-08-15 13:23:54 -07:00
Android.mk Android: Fix LLVM duplicated symbols linking for N and M 2017-08-21 10:46:21 -05:00
appveyor.yml appveyor: Update dependencies. 2017-03-29 11:53:03 +01:00
autogen.sh autogen.sh: pass --force to autoreconf, quote ORIGDIR 2015-03-11 23:28:26 +00:00
CleanSpec.mk android: Depend on gallium_dri from EGL, instead of linking in gallium. 2015-06-09 11:38:45 -07:00
common.py scons: Recognize LLVM_CONFIG environment variable. 2016-11-24 13:37:33 -08:00
configure.ac configure.ac: Check for expat21 if expat is not found. 2017-08-17 00:11:27 -07:00
install-gallium-links.mk gallium: Fix install-gallium-links.mk on non-bash /bin/sh 2016-10-10 08:56:12 -07:00
install-lib-links.mk install-lib-links: remove the .install-lib-links file 2015-02-24 15:33:25 +00:00
Makefile.am build: Convert git_sha1_gen script to Python. 2017-08-01 15:24:39 +01:00
REVIEWERS REVIEWERS: add autogen.sh to the autoconf group 2017-03-23 14:50:51 +00:00
SConstruct scons: whitespace cleanup 2016-05-25 12:23:12 -06:00
VERSION mesa: bump version to 17.2.0-devel 2017-07-24 14:20:53 +01:00

docs/README.WIN32 

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.