[Mesa3d-dev] [Bug 23941] New: Wine offscreen rendering causes GL_INVALID_FRAMEBUFFER_OPERATION_EXT

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=23941

           Summary: Wine offscreen rendering causes
                    GL_INVALID_FRAMEBUFFER_OPERATION_EXT
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mes...@li...
        ReportedBy: sa...@wh...


As of a few releases ago, Wine uses framebuffer objects to render render
offscreen images and textures. This doesn't work so well in Mesa. Games have
rendering errors, or does not render at all and prints a lot of these errors:

fixme:d3d:context_check_fbo_status FBO status GL_FRAMEBUFFER_UNSUPPORTED_EXT
(0x8cdd)
fixme:d3d:context_check_fbo_status      Color attachment 0: (0xa1a2190)
WINED3DFMT_A8R8G8B8 800x600
fixme:d3d:context_check_fbo_status      Depth attachment: (0x2193a8)
WINED3DFMT_D24S8 800x600
fixme:d3d_draw:drawStridedFast >>>>>>>>>>>>>>>>>
GL_INVALID_FRAMEBUFFER_OPERATION_EXT (0x506) from glDrawArrays @
../../../dlls/wined3d/drawprim.c / 63

In some cases, this can be worked around by setting the registry key
OffscreenRenderingMode to backbuffer (the old default) as documented here:
http://wiki.winehq.org/UsefulRegistryKeys 

But it would of course be great if this wasn't necessary. Not sure if this more
of an enhancement request than a bug report, please reassign as necessary.


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