[PATCH v3 5/5] vkd3d-shader/hlsl: Allow non-numeric types in the ternary operator.

[Zebediah Figura]

From: Zebediah Figura

---
 libs/vkd3d-shader/hlsl.y       | 34 ++++++++++++++++++++++++++++------
 tests/hlsl/ternary.shader_test |  2 +-
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index 7927af592..13275e796 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -4004,14 +4004,36 @@ static bool add_ternary(struct hlsl_ctx *ctx, struct hlsl_block *block,
     struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0};
     struct hlsl_type *common_type;

-    if (!(common_type = get_common_numeric_type(ctx, first, second, &first->loc)))
-        return false;
+    if (first->data_type->class <= HLSL_CLASS_LAST_NUMERIC
+            && second->data_type->class <= HLSL_CLASS_LAST_NUMERIC)
+    {
+        if (!(common_type = get_common_numeric_type(ctx, first, second, &first->loc)))
+            return false;

-    if (!(first = add_implicit_conversion(ctx, block, first, common_type, &first->loc)))
-        return false;
+        if (!(first = add_implicit_conversion(ctx, block, first, common_type, &first->loc)))
+            return false;

-    if (!(second = add_implicit_conversion(ctx, block, second, common_type, &second->loc)))
-        return false;
+        if (!(second = add_implicit_conversion(ctx, block, second, common_type, &second->loc)))
+            return false;
+    }
+    else
+    {
+        struct vkd3d_string_buffer *first_string, *second_string;
+
+        if (!hlsl_types_are_equal(first->data_type, second->data_type))
+        {
+            first_string = hlsl_type_to_string(ctx, first->data_type);
+            second_string = hlsl_type_to_string(ctx, second->data_type);
+            if (first_string && second_string)
+                hlsl_error(ctx, &first->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
+                        "Ternary argument types '%s' and '%s' do not match.",
+                        first_string->buffer, second_string->buffer);
+            hlsl_release_string_buffer(ctx, first_string);
+            hlsl_release_string_buffer(ctx, second_string);
+        }
+
+        common_type = first->data_type;
+    }

args[0] = cond;
     args[1] = first;
diff --git a/tests/hlsl/ternary.shader_test b/tests/hlsl/ternary.shader_test
index c50920212..f680468c4 100644
--- a/tests/hlsl/ternary.shader_test
+++ b/tests/hlsl/ternary.shader_test
@@ -289,7 +289,7 @@ float4 main() : sv_target
 }

-[pixel shader fail]
+[pixel shader fail todo]
 Texture2D t;
 float4 f;