Kenneth Graunke 8696c3e997 Revert "i965: Call intel_prepare_render() from intel_update_state()"
This reverts commit b7153c3e9f.

The point of that commit was to ensure intel_prepare_render() occurred
before color resolves on the current framebuffer.  In 0673bbfd9b
(i965: Move surface resolves back to draw/dispatch time), Jason moved
brw_predraw_resolve_framebuffer back to draw time, which is already
after a intel_prepare_render() call.  So, this is no longer necessary.

Furthermore, it caused problems.  "mpv" would only display a small
corner of movies, and Android started failing camera CTS tests.

This is because intel_prepare_render() ended up handling DRI2 events
which caused the drawable to be resized at an inopportune time, flagging
ctx->NewState |= _NEW_BUFFERS, but at a point where we've already copied
ctx->NewState, and failed to notice the newly set flag.

The lack of _NEW_BUFFERS caused us to skip 3DSTATE_DRAWING_RECTANGLE,
so the drawing ended up being clipped to an outdated framebuffer size.

Just drop the hack and go back to handling this at the proper time.

Thanks to Matti Hämäläinen (ccr), Tomasz Figa (tfiga), and Tapani Palli
for reporting these issues.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101558
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101704
Tested-by: Tapani Pälli <tapani.palli@intel.com>
2017-07-20 16:10:10 -07:00
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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