Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/util/debug.h

@@ -0,0 +1,169 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include <cassert>
+
+#include "bvh/params.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* Global storage for all sort of flags used to fine-tune behavior of particular
+ * areas for the development purposes, without officially exposing settings to
+ * the interface.
+ */
+class DebugFlags {
+ public:
+  /* Descriptor of CPU feature-set to be used. */
+  struct CPU {
+    CPU();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Flags describing which instructions sets are allowed for use. */
+    bool avx2 = true;
+    bool sse42 = true;
+
+    /* Check functions to see whether instructions up to the given one
+     * are allowed for use.
+     */
+    bool has_avx2()
+    {
+      return has_sse42() && avx2;
+    }
+    bool has_sse42()
+    {
+      return sse42;
+    }
+
+    /* Requested BVH layout.
+     *
+     * By default the fastest will be used. For debugging the BVH used by other
+     * CPUs and GPUs can be selected here instead.
+     */
+    BVHLayout bvh_layout = BVH_LAYOUT_AUTO;
+  };
+
+  /* Descriptor of CUDA feature-set to be used. */
+  struct CUDA {
+    CUDA();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Whether adaptive feature based runtime compile is enabled or not.
+     * Requires the CUDA Toolkit and only works on Linux at the moment. */
+    bool adaptive_compile = false;
+  };
+
+  /* Descriptor of HIP feature-set to be used. */
+  struct HIP {
+    HIP();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Whether adaptive feature based runtime compile is enabled or not. */
+    bool adaptive_compile = false;
+  };
+
+  /* Descriptor of OptiX feature-set to be used. */
+  struct OptiX {
+    OptiX();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Load OptiX module with debug capabilities. Will lower logging verbosity level, enable
+     * validations, and lower optimization level. */
+    bool use_debug = false;
+  };
+
+  /* Descriptor of Metal feature-set to be used. */
+  struct Metal {
+    Metal();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Whether adaptive feature based runtime compile is enabled or not. */
+    bool adaptive_compile = false;
+
+    /* Whether local atomic sorting is enabled or not. */
+    bool use_local_atomic_sort = true;
+
+    /* Whether nanovdb is enabled or not. */
+    bool use_nanovdb = true;
+
+    /* Whether async PSO creation is enabled or not. */
+    bool use_async_pso_creation = true;
+
+    /* Whether to use per-component motion interpolation. */
+    bool use_metalrt_pcmi = true;
+
+    /* Whether to use residency sets. */
+    bool use_residency_sets_if_available = true;
+  };
+
+  /* Descriptor of Texture Cache feature-set to be used. */
+  struct TextureCache {
+    TextureCache();
+
+    /* Reset flags to their defaults. */
+    void reset();
+
+    /* Enable texture cache eviction. */
+    bool use_eviction = true;
+
+    /* Preserve unused image cache tile memory in megabytes. */
+    int preserve_unused = 0;
+  };
+
+  /* Get instance of debug flags registry. */
+  static DebugFlags &get()
+  {
+    static DebugFlags instance;
+    return instance;
+  }
+
+  /* Reset flags to their defaults. */
+  void reset();
+
+  /* Requested CPU flags. */
+  CPU cpu;
+
+  /* Requested CUDA flags. */
+  CUDA cuda;
+
+  /* Requested OptiX flags. */
+  OptiX optix;
+
+  /* Requested HIP flags. */
+  HIP hip;
+
+  /* Requested Metal flags. */
+  Metal metal;
+
+  /* Requested Texture Cache flags. */
+  TextureCache texture_cache;
+
+ private:
+  DebugFlags() = default;
+
+ public:
+  explicit DebugFlags(const DebugFlags & /*other*/) = delete;
+  void operator=(const DebugFlags & /*other*/) = delete;
+};
+
+using DebugFlagsRef = DebugFlags &;
+using DebugFlagsConstRef = const DebugFlags &;
+
+inline DebugFlags &DebugFlags()
+{
+  return DebugFlags::get();
+}
+
+CCL_NAMESPACE_END