Felix Kühling wrote:
It is necessary to do that there. I can't bring an example off the top of my head, but feel free to remove the call & play with the mesa demos. Something should break before too long...Hi,while I was trying to understand the vtxfmt mesa code and poking around with gdb I noticed that the neutral vtxfmt wrapper gets restored quite often. I tracked it to radeonFlushVertices where _mesa_install_exec_vtxfmt( ctx, &rmesa->vb.vtxfmt ) is called if the FLUSH_UPDATE_CURRENT flag is set. _mesa_install_exec_vtxfmt in turn sets ctx->TnlModule.Current to the new exec vertex format and calls _mesa_restore_exec_vtxfmt( ctx ) which restores the neutral wrapper. Is this really what was intended here? The only place I could find where the FLUSH_UPDATE_CURRENT flag is set in the radeon driver is in radeon_vtxfmt_c.c and there the Exec dispatch table is modified directly. So there should be no need for reinstalling the vertex format.
I guess I should have left a comment there to explain/remind myself why.
Keith
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