fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 00:00:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

draw: fix primitive restart bug by using the index buffer offset

Browse source 
The code which scans the index buffer for restart indexes wasn't adding
the index buffer offset so we were always starting at offset=0.  The
offset is usually zero so it wasn't noticed before.

Fixes a failure in the piglit primitive-restart test when testing
vertex data + index data in a single VBO.

NOTE: This is a candidate for the 8.0 branch.
This commit is contained in:
Brian Paul 2012-05-24 11:09:18 -06:00
parent 93ea5cd80b
commit 1609efb418
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/gallium/auxiliary/draw/draw_pt.c
View file

@ -368,25 +368,28 @@ draw_pt_arrays_restart(struct draw_context *draw,
if (draw->pt.user.elts) {
/* indexed prims (draw_elements) */
const char *elts =
(const char *) draw->pt.user.elts + draw->pt.index_buffer.offset;
cur_start = start;
cur_count = 0;
switch (draw->pt.user.eltSize) {
case 1:
{
const ubyte *elt_ub = (const ubyte *) draw->pt.user.elts;
const ubyte *elt_ub = (const ubyte *) elts;
PRIM_RESTART_LOOP(elt_ub);
}
break;
case 2:
{
const ushort *elt_us = (const ushort *) draw->pt.user.elts;
const ushort *elt_us = (const ushort *) elts;
PRIM_RESTART_LOOP(elt_us);
}
break;
case 4:
{
const uint *elt_ui = (const uint *) draw->pt.user.elts;
const uint *elt_ui = (const uint *) elts;
PRIM_RESTART_LOOP(elt_ui);
}
break;