http://bugs.freedesktop.org/show_bug.cgi?id=21866
Summary: radeon-rewrite: Multitexturing failure on r250 in DRI2
codepath
Product: Mesa
Version: CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r200
AssignedTo: [email protected]
ReportedBy: [email protected]
Multitexturing does not work correctly on r250 cards in the radeon-rewrite
branch if the DRI2 codepath is enabled(KMS et al). Any texture other than the
first one returns a solid color. This happens with both GL_ATI_fragment_shader
fragment processing and GL_ARB_texture_env_combine.
A small open source sample to show this issue can be found in the
codesampler.com opengl demos:
http://www.codesampler.com/oglsrc/oglsrc_3.htm#ogl_multitexture
It is a Win32 app, but it runs fine in Wine, even in very old ones, so the
distro Wine should be OK.
I haven't yet figured out where things go wrong, but I suspect that the texture
sampling itself is correct, and the texture coordinates aren't handled properly
on texture units > GL_TEXTURE0.
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