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Kenneth Graunke 5f09454e34 mesa: Don't call GenerateMipmap if Width or Height == 0.
One of the WebGL 2.0 conformance tests is trying to call
glGenerateMipmaps with a width and height of 0.  With the meta
implementation, this generates a "framebuffer attachment incomplete"
status, and falls back to the CPU path, calling MapTextureImage.

Except that there's no actual texture to map, and we assert fail.

There's no work to do in this case.  The test expects it to succeed,
so just return early with no error and avoid hassling the driver.

Cc: mesa-stable@lists.freedesktop.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96911
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
(cherry picked from commit f80bea2d80)
2016-07-28 14:46:50 +01:00
bin bugzilla_mesa.sh: Drop "Bug " from sed command 2016-07-07 16:12:34 +01:00
docs docs: add sha256 checksums for 12.0.1 2016-07-09 00:02:13 +01:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include include: Require MSVC 2013 Update 4. 2016-06-24 20:58:23 +01:00
m4 util: Add ATTRIBUTE_RETURNS_NONNULL. 2016-05-16 11:06:15 -07:00
scons scons: support 2.5.0 2016-05-25 12:23:12 -06:00
scripts scripts: bump git_reviewer.pl --git-min-percent default 2016-05-09 19:30:28 -04:00
src mesa: Don't call GenerateMipmap if Width or Height == 0. 2016-07-28 14:46:50 +01:00
.dir-locals.el dir-locals.el: set case-label offset to 0 2016-02-03 15:44:51 -05:00
.gitattributes Disable autocrlf for Visual Studio project files. 2008-02-28 12:34:01 +09:00
.gitignore automake: rework the git_sha1.h rule, include in tarball 2016-05-30 17:53:45 +01:00
.mailmap .mailmap: use Jakob Bornecrantz's personal email 2016-05-26 13:57:32 +01:00
.travis.yml travis: Add a test build with scons. 2015-12-01 15:09:56 -08:00
Android.common.mk Android: Move setting DEFAULT_DRIVER_DIR to shared location 2016-05-23 12:07:45 +01:00
Android.mk isl: add support for Android libmesa_isl static library 2016-06-02 22:35:29 +01:00
appveyor.yml appveyor: Run unit tests. 2016-04-14 07:19:04 +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: Allow building with Address Sanitizer. 2016-04-13 06:54:32 +01:00
configure.ac swr: Refactor checks for compiler feature flags 2016-07-27 15:15:34 +01:00
install-gallium-links.mk install-gallium-links.mk: handle multiple libraries 2016-04-14 16:30:57 +01:00
install-lib-links.mk install-lib-links: remove the .install-lib-links file 2015-02-24 15:33:25 +00:00
Makefile.am automake: add SWR to `make distcheck' gallium drivers 2016-06-15 09:29:11 +01:00
REVIEWERS add REVIEWERS and get_reviewer.pl script 2016-05-04 11:25:46 -04:00
SConstruct scons: whitespace cleanup 2016-05-25 12:23:12 -06:00
VERSION Update version to 12.0.1 2016-07-08 23:48:11 +01:00

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.