Improves on a major performance regression for the dolphin wii emulator
from its move to using UBOs. Performance in the UBO codepath (as
replayed through apitrace) is up 21.1% +/- 2.3% (n=26/29).
---
src/mesa/drivers/dri/i965/brw_fs_cse.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
index a13ca36..44479d8 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
@@ -66,6 +66,7 @@ is_expression(const fs_inst *const inst)
case BRW_OPCODE_LINE:
case BRW_OPCODE_PLN:
case BRW_OPCODE_MAD:
+ case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
case FS_OPCODE_CINTERP:
case FS_OPCODE_LINTERP:
return true;
@@ -136,8 +137,10 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
}
/* dest <- temp */
+ assert(inst->dst.type == entry->tmp.type);
fs_inst *copy = new(ralloc_parent(inst))
fs_inst(BRW_OPCODE_MOV, inst->dst, entry->tmp);
+ copy->force_writemask_all = inst->force_writemask_all;
inst->replace_with(copy);
/* Appending an instruction may have changed our bblock end. */
--
1.7.10.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
