Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/kernel/svm/invert.h

@@ -0,0 +1,32 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "kernel/svm/node_types.h"
+#include "kernel/svm/util.h"
+
+CCL_NAMESPACE_BEGIN
+
+ccl_device float invert(const float color, const float factor)
+{
+  return factor * (1.0f - color) + (1.0f - factor) * color;
+}
+
+ccl_device_noinline void svm_node_invert(ccl_private float *ccl_restrict stack,
+                                         const ccl_global SVMNodeInvert &ccl_restrict node)
+{
+  const float factor = stack_load(stack, node.fac);
+  float3 color = stack_load(stack, node.color);
+
+  color.x = invert(color.x, factor);
+  color.y = invert(color.y, factor);
+  color.z = invert(color.z, factor);
+
+  if (stack_valid(node.out_offset)) {
+    stack_store_float3(stack, node.out_offset, color);
+  }
+}
+
+CCL_NAMESPACE_END