[PATCH v4 4/7] vkd3d-shader/spirv: Build undefined values once.

[Conor McCarthy]

From: Conor McCarthy

---
 libs/vkd3d-shader/spirv.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 3215e41c..3dd81def 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -1215,10 +1215,14 @@ static uint32_t vkd3d_spirv_build_op_function_call(struct vkd3d_spirv_builder *b
             SpvOpFunctionCall, result_type, function_id, arguments, argument_count);
 }

-static uint32_t vkd3d_spirv_build_op_undef(struct vkd3d_spirv_builder *builder,
-        struct vkd3d_spirv_stream *stream, uint32_t type_id)
+static uint32_t vkd3d_spirv_build_op_undef(struct vkd3d_spirv_builder *builder, uint32_t type_id)
 {
-    return vkd3d_spirv_build_op_tr(builder, stream, SpvOpUndef, type_id);
+    return vkd3d_spirv_build_op_tr(builder, &builder->global_stream, SpvOpUndef, type_id);
+}
+
+static uint32_t vkd3d_spirv_get_op_undef(struct vkd3d_spirv_builder *builder, uint32_t type_id)
+{
+    return vkd3d_spirv_build_once1(builder, SpvOpUndef, type_id, vkd3d_spirv_build_op_undef);
 }

static uint32_t vkd3d_spirv_build_op_access_chain(struct vkd3d_spirv_builder *builder,
@@ -2855,7 +2859,7 @@ static uint32_t spirv_compiler_get_constant(struct spirv_compiler *compiler,
             break;
         default:
             FIXME("Unhandled component_type %#x.\n", component_type);
-            return vkd3d_spirv_build_op_undef(builder, &builder->global_stream, type_id);
+            return vkd3d_spirv_get_op_undef(builder, type_id);
     }

if (component_count == 1)
@@ -2884,7 +2888,7 @@ static uint32_t spirv_compiler_get_constant64(struct spirv_compiler *compiler,
     if (component_type != VKD3D_SHADER_COMPONENT_DOUBLE)
     {
         FIXME("Unhandled component_type %#x.\n", component_type);
-        return vkd3d_spirv_build_op_undef(builder, &builder->global_stream, type_id);
+        return vkd3d_spirv_get_op_undef(builder, type_id);
     }

if (component_count == 1)
@@ -3636,7 +3640,7 @@ static uint32_t spirv_compiler_emit_load_undef(struct spirv_compiler *compiler,
     assert(reg->type == VKD3DSPR_UNDEF);

type_id = vkd3d_spirv_get_type_id_for_data_type(builder, reg->data_type, component_count);
-    return vkd3d_spirv_build_op_undef(builder, &builder->global_stream, type_id);
+    return vkd3d_spirv_get_op_undef(builder, type_id);
 }

static uint32_t spirv_compiler_emit_load_scalar(struct spirv_compiler *compiler,
@@ -3730,7 +3734,7 @@ static uint32_t spirv_compiler_emit_load_reg(struct spirv_compiler *compiler,
     if (!spirv_compiler_get_register_info(compiler, reg, &reg_info))
     {
         type_id = vkd3d_spirv_get_type_id(builder, component_type, component_count);
-        return vkd3d_spirv_build_op_undef(builder, &builder->global_stream, type_id);
+        return vkd3d_spirv_get_op_undef(builder, type_id);
     }
     assert(reg_info.component_type != VKD3D_SHADER_COMPONENT_DOUBLE);
     spirv_compiler_emit_dereference_register(compiler, reg, &reg_info);