Add Chromium-only Blender WebEngine parity work

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

@@ -0,0 +1,62 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "kernel/film/aov_passes.h"
+
+#include "kernel/svm/node_types.h"
+#include "kernel/svm/util.h"
+
+CCL_NAMESPACE_BEGIN
+
+ccl_device_inline bool svm_node_aov_check(const uint32_t path_flag,
+                                          const ccl_global float *render_buffer)
+{
+  const bool is_primary = (path_flag & PATH_RAY_TRANSPARENT_BACKGROUND) &&
+                          (!(path_flag & PATH_RAY_SINGLE_PASS_DONE));
+
+  return ((render_buffer != nullptr) && is_primary);
+}
+
+template<uint node_feature_mask, typename ConstIntegratorGenericState>
+ccl_device void svm_node_aov_color(KernelGlobals kg,
+                                   ccl_private ShaderData *sd,
+                                   ConstIntegratorGenericState state,
+                                   ccl_private float *ccl_restrict stack,
+                                   const ccl_global SVMNodeAOVColor &ccl_restrict node,
+                                   ccl_global float *render_buffer)
+{
+  IF_KERNEL_NODES_FEATURE(AOV)
+  {
+    /* Don't write AOV on texture cache miss, we'll try again when the texture exists. */
+    if (sd->flag & SD_CACHE_MISS) {
+      return;
+    }
+
+    const float3 val = stack_load(stack, node.color);
+    film_write_aov_pass_color(kg, state, render_buffer, node.aov_offset, val);
+  }
+}
+
+template<uint node_feature_mask, typename ConstIntegratorGenericState>
+ccl_device void svm_node_aov_value(KernelGlobals kg,
+                                   ccl_private ShaderData *sd,
+                                   ConstIntegratorGenericState state,
+                                   ccl_private float *ccl_restrict stack,
+                                   const ccl_global SVMNodeAOVValue &ccl_restrict node,
+                                   ccl_global float *render_buffer)
+{
+  IF_KERNEL_NODES_FEATURE(AOV)
+  {
+    /* Don't write AOV on texture cache miss, we'll try again when the texture exists. */
+    if (sd->flag & SD_CACHE_MISS) {
+      return;
+    }
+
+    const float val = stack_load(stack, node.value);
+    film_write_aov_pass_value(kg, state, render_buffer, node.aov_offset, val);
+  }
+}
+CCL_NAMESPACE_END