Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/device/cuda/util.h

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+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#ifdef WITH_CUDA
+
+#  ifdef WITH_CUDA_DYNLOAD
+#    include <cuew.h>
+#  else
+#    include <cuda.h>
+#  endif
+
+CCL_NAMESPACE_BEGIN
+
+class CUDADevice;
+
+/* Utility to push/pop CUDA context. */
+class CUDAContextScope {
+ public:
+  CUDAContextScope(CUDADevice *device);
+  ~CUDAContextScope();
+
+ private:
+  CUDADevice *device;
+};
+
+/* Utility for checking return values of CUDA function calls. */
+#  define cuda_device_assert(cuda_device, stmt) \
+    { \
+      CUresult result = stmt; \
+      if (result != CUDA_SUCCESS) { \
+        const char *name = cuewErrorString(result); \
+        cuda_device->set_error( \
+            string_printf("%s in %s (%s:%d)", name, #stmt, __FILE__, __LINE__)); \
+      } \
+    } \
+    (void)0
+
+#  define cuda_assert(stmt) cuda_device_assert(this, stmt)
+
+#  ifndef WITH_CUDA_DYNLOAD
+/* Transparently implement some functions, so majority of the file does not need
+ * to worry about difference between dynamically loaded and linked CUDA at all. */
+const char *cuewErrorString(CUresult result);
+const char *cuewCompilerPath();
+int cuewCompilerVersion();
+#  endif /* WITH_CUDA_DYNLOAD */
+
+static inline bool cudaSupportsDevice(const int cudaDevID)
+{
+  int major;
+  cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, cudaDevID);
+  if (major >= 5) {
+    return true;
+  }
+  return false;
+}
+
+CCL_NAMESPACE_END
+
+#endif /* WITH_CUDA */