---
src/gallium/drivers/r600/r600_state_common.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_state_common.c
b/src/gallium/drivers/r600/r600_state_common.c
index 23adf3b..f1d5d57 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -757,10 +757,12 @@ static void r600_update_alpha_ref(struct r600_context
*rctx)
void r600_constant_buffers_dirty(struct r600_context *rctx, struct
r600_constbuf_state *state)
{
- r600_inval_shader_cache(rctx);
- state->atom.num_dw = rctx->chip_class >= EVERGREEN ?
util_bitcount(state->dirty_mask)*20
- :
util_bitcount(state->dirty_mask)*19;
- r600_atom_dirty(rctx, &state->atom);
+ if (state->dirty_mask) {
+ r600_inval_shader_cache(rctx);
+ state->atom.num_dw = rctx->chip_class >= EVERGREEN ?
util_bitcount(state->dirty_mask)*20
+ :
util_bitcount(state->dirty_mask)*19;
+ r600_atom_dirty(rctx, &state->atom);
+ }
}
void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint
index,
--
1.7.9.5
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