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authorAnuj Phogat <[email protected]>2014-07-28 15:41:55 -0700
committerAnuj Phogat <[email protected]>2014-08-14 11:03:00 -0700
commit7c1ea00eafc882b67784e6cfd8ee46a7c6fc05dc (patch)
tree390196bf35293570e68db3c5e6294ea1c8b38eb2 /src/mesa/drivers/dri/i965
parent2b837576eb47eeb25f381c534a8bbccda0ee4c89 (diff)
i965: Bail on vec4 copy propagation for scratch writes with source modifiers
Fixes Khronos GLES3 CTS test: dynamic_expression_array_access_vertex Cc: <[email protected]> Signed-off-by: Anuj Phogat <[email protected]> Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri/i965')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
index 28f162df5ba..37ca661d561 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
@@ -273,6 +273,10 @@ try_copy_propagate(struct brw_context *brw, vec4_instruction *inst,
if (has_source_modifiers && value.type != inst->src[arg].type)
return false;
+ if (has_source_modifiers &&
+ inst->opcode == SHADER_OPCODE_GEN4_SCRATCH_WRITE)
+ return false;
+
bool is_3src_inst = (inst->opcode == BRW_OPCODE_LRP ||
inst->opcode == BRW_OPCODE_MAD ||
inst->opcode == BRW_OPCODE_BFE ||