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Timothy Arceri bd3fde4068 mesa/glsl: delete previously linked shaders earlier when linking
This moves the delete linked shaders call to
_mesa_clear_shader_program_data() which makes sure we delete them
before returning due to any validation problems.

It also reduces some code duplication.

From the OpenGL 4.5 Core spec:

   "If LinkProgram failed, any information about a previous link of
   that program object is lost. Thus, a failed link does not restore
   the old state of program.

   ...

   If one of these commands is called with a program for which
   LinkProgram failed, no error is generated unless otherwise noted.
   Implementations may return information on variables and interface
   blocks that would have been active had the program been linked
   successfully. In cases where the link failed because the program
   required too many resources, these commands may help applications
   determine why limits were exceeded."

Therefore it's expected that we shouldn't be able to query the
program that failed to link and retrieve information about a
previously successful link.

Before this change the linker was doing validation before freeing
the previously linked shaders and therefore could exit on failure
before they were freed.

This change also fixes an issue in compat profile where a program
with no shaders attached is expect to fall back to fixed function
but was instead trying to relink IR from a previous link.

Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97715
Cc: "13.0" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit d2861d682a)
2016-11-09 13:53:50 +00:00
bin cherry-ignore: add mapi VISILITY_CFLAGS patch 2016-10-27 10:36:07 +01:00
docs docs: add sha256 checksums for 13.0.0 2016-11-01 16:05:32 +00:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include egl: Implement EGL_MESA_platform_surfaceless 2016-10-14 11:19:40 -07:00
m4 build: Remove unused AX_CHECK_COMPILE_FLAG macro 2016-07-25 15:14:12 +02:00
scons scons: remove all libudev references 2016-10-18 17:06:21 +01:00
scripts get_reviewer.pl: fix mesa check 2016-08-30 16:44:00 -04:00
src mesa/glsl: delete previously linked shaders earlier when linking 2016-11-09 13:53:50 +00:00
.dir-locals.el dir-locals.el: set case-label offset to 0 2016-02-03 15:44:51 -05:00
.editorconfig Introduce .editorconfig 2016-08-31 17:06:54 -07:00
.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: remove no longer needed libudev-dev dependency 2016-10-18 17:06:24 +01:00
Android.common.mk android: avoid using libdrm with host modules 2016-11-09 13:13:19 +00:00
Android.mk android: add support for libmesa_amdgpu_addrlib 2016-09-13 10:06:04 +10:00
appveyor.yml appveyor: Update winflexbison download URL. 2016-09-13 17:54:51 +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 svga: add opt to the list of valid build types 2016-08-26 06:19:51 -06:00
configure.ac Revert Use absolute path in intel_icd.json and related patches. 2016-10-19 19:10:30 +01:00
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 automake: don't forget to pick wglext.h in the tarball 2016-10-24 09:55:02 +01:00
REVIEWERS reviewers: Throw myself on the GLX grenade 2016-10-19 12:37:22 -04:00
SConstruct scons: whitespace cleanup 2016-05-25 12:23:12 -06:00
VERSION Update version to 13.0.0(final) 2016-11-01 15:47:33 +00:00

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.