Can someone commit this? Does this fix *all* the problems? I don't know if it would.
Keith
Felix Kühling wrote:
Hi,
I found the source of some vertex data corruption with software TCL. In
radeon_run_render tnl->Driver.Render.Start (points to radeonRenderStart)
is called after indexed vertices are emitted. However, radeonRenderStart
can change the vertex format if projective textures are involved. So the
indices emitted later refer do vertices of a different size.
The attached patch calls tnl->Driver.Render.Start before indexed
vertices are emitted.
Felix
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------------------------------------------------------------------------
Index: radeon_swtcl.c
===================================================================
RCS file: /cvsroot/dri/xc/xc/lib/GL/mesa/src/drv/radeon/radeon_swtcl.c,v
retrieving revision 1.10
diff -u -r1.10 radeon_swtcl.c
--- radeon_swtcl.c 25 Nov 2002 19:58:29 -0000 1.10
+++ radeon_swtcl.c 10 Feb 2003 09:35:45 -0000
@@ -690,6 +690,8 @@
return GL_TRUE;
}
+ tnl->Driver.Render.Start( ctx );
+
if (VB->Elts) {
tab = TAG(render_tab_elts);
if (!rmesa->swtcl.indexed_verts.buf)
@@ -697,8 +699,6 @@
return GL_TRUE; /* too many vertices */
}
- tnl->Driver.Render.Start( ctx );
-
for (i = 0 ; !(flags & PRIM_LAST) ; i += length)
{
flags = VB->Primitive[i];
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