[PATCH vkd3d 6/6] vkd3d-shader/hlsl: Write SM4 saturate instructions.

[Zebediah Figura]

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 Makefile.am                  | 1 -
 libs/vkd3d-shader/hlsl_sm4.c | 6 ++++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 45db1a16d..c9ad38893 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -296,7 +296,6 @@ XFAIL_TESTS = \
 	tests/hlsl-vector-indexing-uniform.shader_test \
 	tests/math.shader_test \
 	tests/max.shader_test \
-	tests/saturate.shader_test \
 	tests/trigonometry.shader_test \
 	tests/writemask-assignop-1.shader_test
 endif
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 24c586c20..8a1d36322 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1023,6 +1023,12 @@ static void write_sm4_expr(struct hlsl_ctx *ctx,
                     write_sm4_unary_op(buffer, VKD3D_SM4_OP_MOV, &expr->node, arg1, VKD3D_SM4_REGISTER_MODIFIER_NEGATE);
                     break;
 
+                case HLSL_OP1_SAT:
+                    write_sm4_unary_op(buffer, VKD3D_SM4_OP_MOV
+                            | (VKD3D_SM4_INSTRUCTION_FLAG_SATURATE << VKD3D_SM4_INSTRUCTION_FLAGS_SHIFT),
+                            &expr->node, arg1, 0);
+                    break;
+
                 case HLSL_OP2_ADD:
                     write_sm4_binary_op(buffer, VKD3D_SM4_OP_ADD, &expr->node, arg1, arg2);
                     break;
-- 
2.33.0