From: Tom Stellard <thomas.stell...@amd.com>
Compute shaders fetch data from vertex buffers via the texture cache, so
we need to make sure the texture cache is flushed.
---
src/gallium/drivers/r600/evergreen_compute.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/r600/evergreen_compute.c
b/src/gallium/drivers/r600/evergreen_compute.c
index 2749b05..e5396d8 100644
--- a/src/gallium/drivers/r600/evergreen_compute.c
+++ b/src/gallium/drivers/r600/evergreen_compute.c
@@ -96,7 +96,10 @@ static void evergreen_cs_set_vertex_buffer(
vb->buffer = buffer;
vb->user_buffer = NULL;
- rctx->flags |= rctx->has_vertex_cache ? R600_CONTEXT_VTX_FLUSH :
R600_CONTEXT_TEX_FLUSH;
+ /* The vertex instructions in the compute shaders use the texture cache,
+ * so we need to invalid it. */
+ rctx->flags |= rctx->has_vertex_cache | R600_CONTEXT_VTX_FLUSH
+ | R600_CONTEXT_TEX_FLUSH;
state->enabled_mask |= 1 << vb_index;
state->dirty_mask |= 1 << vb_index;
r600_atom_dirty(rctx, &state->atom);
--
1.7.11.4
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