Topi Pohjolainen 76e2f390f9 i965/miptree: Use num_samples of 1 instead of 0 for single-sampled
Patch moves "assert(brw->num_samples <= 16)" from
emit_3dstate_multisample2() to upload_multisample_state(). Latter
is the only caller of the former and passes "brw->num_samples"
as argument. Therefore it is clearer to assert in the caller.

Possible bug fix in genX(emit_3dstate_multisample2) which
doesn't have a case for num_samples == 0 in the switch
statement.

It should be noted that intel_miptree_map()/unmap() now checks
additionally for "mt->surf.samples == 1" in order to support gen6
stencil which is already transitioned to ISL. This will go away in
next patch when native miptrees start to use isl_surf::samples as
well.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
2017-07-20 11:32:21 +03:00
2016-08-30 16:44:00 -04:00
2016-08-25 13:55:52 -07:00
2017-07-05 15:10:31 +01:00
2017-03-29 11:53:03 +01:00
2017-07-20 01:56:04 +01:00
2016-05-25 12:23:12 -06:00

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 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.
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