We could do better by tracking scratch reads and writes.
Cc: 10.5 <mesa-sta...@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88793
---
src/mesa/drivers/dri/i965/brw_shader.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp
b/src/mesa/drivers/dri/i965/brw_shader.cpp
index fbb20bc..ec3cfcb 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -963,6 +963,7 @@ backend_instruction::has_side_effects() const
{
switch (opcode) {
case SHADER_OPCODE_UNTYPED_ATOMIC:
+ case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
case SHADER_OPCODE_URB_WRITE_SIMD8:
case FS_OPCODE_FB_WRITE:
return true;
--
2.0.5
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