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fix _tnl_copy_to_current() so that current edge flag and rasterpos aren't trashed by color index updates

This commit is contained in:
Brian Paul 2005-04-28 21:14:00 +00:00
parent 5cef1a1fed
commit d59054e60b
1 changed files with 9 additions and 1 deletions
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10
src/mesa/tnl/t_vtx_api.c
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@ -142,7 +142,7 @@ static void _tnl_copy_to_current( GLcontext *ctx )
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint i;
for (i = _TNL_ATTRIB_POS+1 ; i <= _TNL_ATTRIB_EDGEFLAG ; i++)
for (i = _TNL_ATTRIB_POS+1 ; i < _TNL_ATTRIB_INDEX ; i++) {
if (tnl->vtx.attrsz[i]) {
/* Note: the tnl->vtx.current[i] pointers points to
* the ctx->Current fields. The first 16 or so, anyway.
@ -151,6 +151,14 @@ static void _tnl_copy_to_current( GLcontext *ctx )
tnl->vtx.attrsz[i],
tnl->vtx.attrptr[i]);
}
}
/* color index is special (it's not a float[4] so COPY_CLEAN_4V above
* will trash adjacent memory!)
*/
if (tnl->vtx.attrsz[_TNL_ATTRIB_INDEX]) {
ctx->Current.Index = tnl->vtx.attrptr[_TNL_ATTRIB_INDEX][0];
}
/* Edgeflag requires additional treatment:
*/