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authorKristian Høgsberg Kristensen <[email protected]>2015-10-20 23:22:27 -0700
committerKristian Høgsberg Kristensen <[email protected]>2015-10-23 09:42:28 -0700
commit8f60dc83f7edba51037662c2637f830feeea3fc6 (patch)
tree3063f78459fba849f4b1998000b9b3be006e7b40 /src/mesa
parent0cb7d7b4b7c32246d4c4225a1d17d7ff79a7526d (diff)
i965/fs: Allow copy propagating into new surface access opcodes
Reviewed-by: Francisco Jerez <[email protected]> Signed-off-by: Kristian Høgsberg Kristensen <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 5589716239a..97e206d3daa 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -612,6 +612,21 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry)
}
break;
+ case SHADER_OPCODE_UNTYPED_ATOMIC:
+ case SHADER_OPCODE_UNTYPED_SURFACE_READ:
+ case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
+ case SHADER_OPCODE_TYPED_ATOMIC:
+ case SHADER_OPCODE_TYPED_SURFACE_READ:
+ case SHADER_OPCODE_TYPED_SURFACE_WRITE:
+ /* We only propagate into the surface argument of the
+ * instruction. Everything else goes through LOAD_PAYLOAD.
+ */
+ if (i == 1) {
+ inst->src[i] = val;
+ progress = true;
+ }
+ break;
+
case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
case SHADER_OPCODE_BROADCAST:
inst->src[i] = val;