[Bug 29305] New: Black screen with Buzzing Cars demo

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=29305

             Bug #: 29305
           Summary: Black screen with Buzzing Cars demo
           Product: Wine
           Version: 1.3.29
          Platform: x86-64
               URL: http://www.ceebot.com/buzzingcars/load-e.php
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: markk at clara.co.uk
    Classification: Unclassified
   Regression SHA1: 1aeee59bd8b6172c848c8029e1a55ddac1f93c44


Hi,

This bug applies to the Buzzing Cars demo by Epsitec. It probably also applies
to some other Epsitec products: BlupiMania 2, Colobot and CeeBot.

Wine previously had problems with the rendering engine used by those titles
(see bug 13932). That bug was apparently fixed with Wine 1.3.33.

I'm testing with Lubuntu 11.10 64-bit, Nvidia driver version 96, Geforce Go
7300. On my system, since Wine 1.3.29 another problem appeared.

The screen (or window in virtual desktop mode) is black, sometimes with a few
lines of trash/garbage. These lines are output to the console repeatedly:
  err:d3d_draw:drawStridedFast >>>>>>>>>>>>>>>>>
GL_INVALID_FRAMEBUFFER_OPERATION (0x506) from glDrawArrays @ drawprim.c / 58
  fixme:d3d:context_check_fbo_status FBO status GL_FRAMEBUFFER_UNSUPPORTED
(0x8cdd)
  fixme:d3d:context_check_fbo_status     Location SFLAG_INTEXTURE (0x40000).
  fixme:d3d:context_check_fbo_status     Color attachment 0: (0x13f698)
WINED3DFMT_B5G6R5_UNORM 640x480 0 samples.
  fixme:d3d:context_check_fbo_status     Depth attachment: (0x13fc60)
WINED3DFMT_D16_UNORM 640x480 0 samples.

Is anyone else seeing this problem? I did a regression test:

1aeee59bd8b6172c848c8029e1a55ddac1f93c44 is the first bad commit
commit 1aeee59bd8b6172c848c8029e1a55ddac1f93c44
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Thu Sep 15 20:01:50 2011 +0200

    ddraw: Use offscreen backbuffers.

    In principle this allows us to use more than one backbuffer in ddraw. It's
    also a requirement for the next patch.

:040000 040000 d2e61690982dd3a33ba685ec9a371449602cc210
dde17c19243dd91a3830083879701b13c2a4476f M    dlls

Prior to that commit the program was working, albeit with the graphical issues
described in bug 13932.

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