Add Chromium-only Blender WebEngine parity work

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

@@ -0,0 +1,47 @@
+/* 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"
+
+#include "util/color.h"
+
+CCL_NAMESPACE_BEGIN
+
+ccl_device_noinline void svm_node_hsv(ccl_private float *ccl_restrict stack,
+                                      const ccl_global SVMNodeHSV &ccl_restrict node)
+{
+  const float fac = stack_load(stack, node.fac);
+  const float3 in_color = stack_load(stack, node.color);
+  float3 color = in_color;
+
+  const float hue = stack_load(stack, node.hue);
+  const float sat = stack_load(stack, node.sat);
+  const float val = stack_load(stack, node.val);
+
+  color = rgb_to_hsv(color);
+
+  color.x = fractf(color.x + hue + 0.5f);
+  color.y = saturatef(color.y * sat);
+  color.z *= val;
+
+  color = hsv_to_rgb(color);
+
+  color.x = fac * color.x + (1.0f - fac) * in_color.x;
+  color.y = fac * color.y + (1.0f - fac) * in_color.y;
+  color.z = fac * color.z + (1.0f - fac) * in_color.z;
+
+  /* Clamp color to prevent negative values caused by over saturation. */
+  color.x = max(color.x, 0.0f);
+  color.y = max(color.y, 0.0f);
+  color.z = max(color.z, 0.0f);
+
+  if (stack_valid(node.out_color_offset)) {
+    stack_store_float3(stack, node.out_color_offset, color);
+  }
+}
+
+CCL_NAMESPACE_END