Eric Anholt bda361e0d4 mesa: Fix glCompressedTexImage when dstRowStride != srcRowStride.
Since the MapTextureImage changes on Intel, nwn had corruption in the
scrollbar at the load game menu, and corrupted ground textures in the
starting zone.  Heroes of Newerth's intro screen was also thoroughly
garbled.  A new piglit test "compressedteximage" was created to
regression test this.

The issue was this code now seeing dstRowStride aligned to hardware
requirements instead of a temporary buffer that gets uploaded to
hardware later.  The existing code was just trying to memcpy
srcRowStride * height / bh, while the glCompressedTexSubImage2D()
storage code nearby did the correct walking by blockheight rows at a
time.  Just reuse the subimage upload instead of duplicating that
logic.

v2: Update comment at the top of the function (suggestion by Joel
Forsberg)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41451
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> (v1)
2011-12-02 15:28:44 -08:00
2011-12-01 11:06:49 -05:00
2011-11-29 17:34:56 +00:00
2011-10-04 07:48:45 -06:00
2011-11-29 20:26:53 +00:00
2011-11-29 20:26:53 +00:00

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.
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