1 files changed, 82 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/vertex_color.h b/intern/cycles/kernel/svm/vertex_color.h
new file mode 100644
index 00000000000..b676a28c0e3
--- /dev/null
+++ b/intern/cycles/kernel/svm/vertex_color.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+CCL_NAMESPACE_BEGIN
+
+ccl_device_noinline void svm_node_vertex_color(KernelGlobals kg,
+                                               ccl_private ShaderData *sd,
+                                               ccl_private float *stack,
+                                               uint layer_id,
+                                               uint color_offset,
+                                               uint alpha_offset)
+{
+  AttributeDescriptor descriptor = find_attribute(kg, sd, layer_id);
+  if (descriptor.offset != ATTR_STD_NOT_FOUND) {
+    float4 vertex_color = primitive_surface_attribute_float4(kg, sd, descriptor, NULL, NULL);
+    stack_store_float3(stack, color_offset, float4_to_float3(vertex_color));
+    stack_store_float(stack, alpha_offset, vertex_color.w);
+  }
+  else {
+    stack_store_float3(stack, color_offset, make_float3(0.0f, 0.0f, 0.0f));
+    stack_store_float(stack, alpha_offset, 0.0f);
+  }
+}
+
+ccl_device_noinline void svm_node_vertex_color_bump_dx(KernelGlobals kg,
+                                                       ccl_private ShaderData *sd,
+                                                       ccl_private float *stack,
+                                                       uint layer_id,
+                                                       uint color_offset,
+                                                       uint alpha_offset)
+{
+  AttributeDescriptor descriptor = find_attribute(kg, sd, layer_id);
+  if (descriptor.offset != ATTR_STD_NOT_FOUND) {
+    float4 dx;
+    float4 vertex_color = primitive_surface_attribute_float4(kg, sd, descriptor, &dx, NULL);
+    vertex_color += dx;
+    stack_store_float3(stack, color_offset, float4_to_float3(vertex_color));
+    stack_store_float(stack, alpha_offset, vertex_color.w);
+  }
+  else {
+    stack_store_float3(stack, color_offset, make_float3(0.0f, 0.0f, 0.0f));
+    stack_store_float(stack, alpha_offset, 0.0f);
+  }
+}
+
+ccl_device_noinline void svm_node_vertex_color_bump_dy(KernelGlobals kg,
+                                                       ccl_private ShaderData *sd,
+                                                       ccl_private float *stack,
+                                                       uint layer_id,
+                                                       uint color_offset,
+                                                       uint alpha_offset)
+{
+  AttributeDescriptor descriptor = find_attribute(kg, sd, layer_id);
+  if (descriptor.offset != ATTR_STD_NOT_FOUND) {
+    float4 dy;
+    float4 vertex_color = primitive_surface_attribute_float4(kg, sd, descriptor, NULL, &dy);
+    vertex_color += dy;
+    stack_store_float3(stack, color_offset, float4_to_float3(vertex_color));
+    stack_store_float(stack, alpha_offset, vertex_color.w);
+  }
+  else {
+    stack_store_float3(stack, color_offset, make_float3(0.0f, 0.0f, 0.0f));
+    stack_store_float(stack, alpha_offset, 0.0f);
+  }
+}
+
+CCL_NAMESPACE_END