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fog coords (it seems the chip cannot do fog factor computation when not using fragment depth as fog coord source). vtxfmt uses fallback for now (most code present but some magic would be needed if replaying vertices is necessary later on).
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coordinate generation. Original code by Roland Schiedegger, with changes by
myself. While here, ensure that the swtcl path does tnl_install_attrs enough
when fog/specular are being (en/dis)abled.
Notable effects:
- projtex test works with TCL and is closer with swtcl (Bugzilla #1461)
- 8/9 squares work in texgenmix instead of 3.
- texcyl "reflect" mode works (GL_SPHERE_MAP is now a fallback -- unclear if the
hardware can actually support it).
- flickering in doom3 replaced by just plain darkness.
- blocktube fixed (Bugzilla #984)
- fixes stex3d
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workarounds only for r200, not derivatives.
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textures. progs/demos/cubemap and progs/demos/stex3d seem to work
correctly at all tcl_mode settings. x86 / SSE codegen is currently
disabled.
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- Allocate vertices explicitly, rather than trying to talk
about dma buffers.
- Clean up the various Flush() operations.
- Don't allow fallbacks any longer. Provide a support function
to detect them ahead o ftime
Updates to tnl_dd_vbtmp.h
- Get rid of power-of-two vertex strides. Pack all vertices tightly.
- Get texunit 2,3 emit working coorrectly.
Other stuff:
- Get rid of lingering Ubyte color support.
- Fix a few compiler warnings.
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