this patch helps for the demo.
but someone more familiar with radeon_vtxfmt should
check if it really fixes all cases...
I think in case of GL_QUAD_STRIP we should check
for 0, too.
(and maybe for 1?)
--- radeon_vtxfmt.c_orig Fri Mar 21 17:22:23 2003
+++ radeon_vtxfmt.c Mon Mar 24 21:52:58 2003
@@ -312,6 +312,8 @@
return 2;
}
case GL_TRIANGLE_STRIP:
+ if (nr == 0) /* dont let verts go negative! */
+ return 0;
ovf = MIN2( nr-1, 2 );
for (i = 0 ; i < ovf ; i++)
copy_vertex( rmesa, nr-ovf+i, tmp[i] );
best regards,
Andreas
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