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Carl Worth 33599433c7 i965: Use swizzles to force alpha to 1.0 for RED, RG, or RGB textures. 
We may be using a texture with actual RGBA storage for these formats, so force
the alpha value read to 1.0.

This commit fixes the following piglit (sub) tests:

	ARB_texture_float/fb-blending-formats
		GL_RGB16F_ARB
	EXT_framebuffer_object/fbo-blending-formats
                GL_RGB10
		GL_RGB12
	        GL_RGB16
	EXT_texture_snorm/fbo-blending-formats
		GL_RGB16_SNORM
		GL_RGB8_SNORM
		GL_RGB_SNORM

These test improvements depend on the previous commit as well. That commit
smashes alpha to 1.0 for the case of ReadPixels (so fixes "FBO testing" as
reported by this test), while this commit smashes alpha to 1.0 for the case of
texturing (fixed the "window testing" as reported by this test).

Note: Haswell bypasses this swizzle code, so may require an independent fix
for this bug.

Reviewed-by: Eric Anholt <eric@anholt.net>
2013-01-23 17:40:52 -08:00
bin Remove installmesa 2013-01-10 22:01:31 +01:00
docs GL3.txt: i965 supports ARB_base_instance 2013-01-22 21:34:25 -08:00
doxygen glsl/build: Build glcpp via the glsl Makefile 2013-01-22 14:33:20 -08:00
include dri: Define enum __DRI_API_GLES3 2013-01-15 13:45:53 -08:00
m4 build: Use AX_PROG_FLEX 2013-01-22 14:33:38 -08:00
scons scons: Fix source lists parsing on Windows. 2013-01-23 12:11:53 +00:00
src i965: Use swizzles to force alpha to 1.0 for RED, RG, or RGB textures. 2013-01-23 17:40:52 -08:00
.dir-locals.el Add emacs setup for the docs/devinfo.html comment wrapping recommendation. 2012-07-11 09:20:21 -07:00
.gitattributes Disable autocrlf for Visual Studio project files. 2008-02-28 12:34:01 +09:00
.gitignore Clean up .gitignore files 2013-01-10 22:01:31 +01:00
Android.common.mk android: Define Make variables for Android version 2013-01-02 14:51:18 -08:00
Android.mk android: Define Make variables for Android version 2013-01-02 14:51:18 -08:00
autogen.sh build: Fix autogen.sh to allow out-of-tree builds 2012-08-14 10:54:39 -07:00
common.py scons: Add option to enable floating-point textures. 2012-08-15 22:04:24 -07:00
configure.ac build: Use AX_PROG_FLEX 2013-01-22 14:33:38 -08:00
Makefile.am glsl/build: Build tests via the glsl Makefile 2013-01-22 14:33:24 -08:00
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.