---
src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 7f58b44..89ad6cd 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1655,7 +1655,13 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
st_dst_reg temp_dst = st_dst_reg(temp);
st_src_reg temp1 = st_src_reg(temp), temp2 = st_src_reg(temp);
- emit_asm(ir, TGSI_OPCODE_SEQ, st_dst_reg(temp), op[0], op[1]);
+ if (ir->operands[0]->type->is_boolean() &&
+ ir->operands[1]->as_constant() &&
+ ir->operands[1]->as_constant()->is_one()) {
+ emit_asm(ir, TGSI_OPCODE_MOV, st_dst_reg(temp), op[0]);
+ } else {
+ emit_asm(ir, TGSI_OPCODE_SEQ, st_dst_reg(temp), op[0], op[1]);
+ }
/* Emit 1-3 AND operations to combine the SEQ results. */
switch (ir->operands[0]->type->vector_elements) {
@@ -1708,7 +1714,13 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
st_src_reg temp = get_temp(native_integers ?
glsl_type::uvec4_type :
glsl_type::vec4_type);
- emit_asm(ir, TGSI_OPCODE_SNE, st_dst_reg(temp), op[0], op[1]);
+ if (ir->operands[0]->type->is_boolean() &&
+ ir->operands[1]->as_constant() &&
+ ir->operands[1]->as_constant()->is_zero()) {
+ emit_asm(ir, TGSI_OPCODE_MOV, st_dst_reg(temp), op[0]);
+ } else {
+ emit_asm(ir, TGSI_OPCODE_SNE, st_dst_reg(temp), op[0], op[1]);
+ }
if (native_integers) {
st_dst_reg temp_dst = st_dst_reg(temp);
--
2.4.9
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