On Wed, 2004-05-05 at 04:48, Ian Romanick wrote:
Anyone have any ideas about the fog coordinate stuff???
Not really I'm afraid, but some things seem odd to me (I'm using the register names from the register reference here, those in the driver differ slightly):
The register reference says 'post-TCL only' about the VTX_DISCRETE_FOG_PRESENT bit in the SE_VTX_FMT_0 register. No idea if that's significant for this though.
There's a VTX_DISCRETE_FOG_SEL bit in the SE_TCL_OUTPUT_VTX_COMP_SEL register that the code doesn't seem to handle yet?
SE_TCL_OUTPUT_VTX_COMP_SEL or SE_TCL_OUTPUT_VTX_FMT_0? There isn't even a bit for fog in SE_TCL_OUTPUT_VTX_COMP_SEL in r200_reg.h. Hmm...
PS: Is it just me, or is the r200 driver broken with no_rast=true?
The R200 driver is totally hosed any time when there's a software rasterization fallback (i.e., stencil operations in 16-bit depth mode). It seems to be t_vertex related. :(
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