1 files changed, 53 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/sepcomb_color.h b/intern/cycles/kernel/svm/sepcomb_color.h
new file mode 100644
index 00000000000..a1a8cdfd9b0
--- /dev/null
+++ b/intern/cycles/kernel/svm/sepcomb_color.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2011-2022 Blender Foundation */
+
+#pragma once
+
+CCL_NAMESPACE_BEGIN
+
+ccl_device_noinline void svm_node_combine_color(KernelGlobals kg,
+                                             ccl_private ShaderData *sd,
+                                             ccl_private float *stack,
+                                             uint color_type,
+                                             uint inputs_stack_offsets,
+                                             uint result_stack_offset)
+{
+  uint red_stack_offset, green_stack_offset, blue_stack_offset;
+  svm_unpack_node_uchar3(inputs_stack_offsets, &red_stack_offset, &green_stack_offset, &blue_stack_offset);
+
+  float r = stack_load_float(stack, red_stack_offset);
+  float g = stack_load_float(stack, green_stack_offset);
+  float b = stack_load_float(stack, blue_stack_offset);
+
+  /* Combine, and convert back to RGB */
+  float3 color = svm_combine_color((NodeCombSepColorType)color_type, make_float3(r, g, b));
+
+  if (stack_valid(result_stack_offset))
+    stack_store_float3(stack, result_stack_offset, color);
+}
+
+ccl_device_noinline void svm_node_separate_color(KernelGlobals kg,
+                                                ccl_private ShaderData *sd,
+                                                ccl_private float *stack,
+                                                uint color_type,
+                                                uint input_stack_offset,
+                                                uint results_stack_offsets)
+{
+  float3 color = stack_load_float3(stack, input_stack_offset);
+
+  /* Convert color space */
+  color = svm_separate_color((NodeCombSepColorType)color_type, color);
+
+  uint red_stack_offset, green_stack_offset, blue_stack_offset;
+  svm_unpack_node_uchar3(
+      results_stack_offsets, &red_stack_offset, &green_stack_offset, &blue_stack_offset);
+
+  if (stack_valid(red_stack_offset))
+    stack_store_float(stack, red_stack_offset, color.x);
+  if (stack_valid(green_stack_offset))
+    stack_store_float(stack, green_stack_offset, color.y);
+  if (stack_valid(blue_stack_offset))
+    stack_store_float(stack, blue_stack_offset, color.z);
+}
+
+CCL_NAMESPACE_END