Mesa (master): vc4: Don' t throw out the index offset in the shadow index buffer path.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: d78eb5752838979057a8a1210d6951c084904c0f
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=d78eb5752838979057a8a1210d6951c084904c0f

Author: Eric Anholt <e...@anholt.net>
Date:   Thu Dec 11 20:34:06 2014 -0800

vc4: Don't throw out the index offset in the shadow index buffer path.

When we upload shadow indices at draw time, we need the source offset.
Fixes the piglit draw-elements test.

---

 src/gallium/drivers/vc4/vc4_state.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/gallium/drivers/vc4/vc4_state.c 
b/src/gallium/drivers/vc4/vc4_state.c
index bbbb73d..630ac4d 100644
--- a/src/gallium/drivers/vc4/vc4_state.c
+++ b/src/gallium/drivers/vc4/vc4_state.c
@@ -300,12 +300,11 @@ vc4_set_index_buffer(struct pipe_context *pctx,
                         pipe_resource_reference(&vc4->indexbuf.buffer, NULL);
                         vc4->indexbuf.buffer = pshadow;
                         vc4->indexbuf.index_size = 2;
-                        vc4->indexbuf.offset = 0;
                 } else {
                         pipe_resource_reference(&vc4->indexbuf.buffer, 
ib->buffer);
                         vc4->indexbuf.index_size = ib->index_size;
-                        vc4->indexbuf.offset = ib->offset;
                 }
+                vc4->indexbuf.offset = ib->offset;
         } else {
                 pipe_resource_reference(&vc4->indexbuf.buffer, NULL);
         }

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