Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/examples/common/clDeviceContext.h

@@ -0,0 +1,53 @@
+//
+//   Copyright 2015 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#ifndef OSD_EXAMPLES_COMMON_CL_DEVICE_CONTEXT_H
+#define OSD_EXAMPLES_COMMON_CL_DEVICE_CONTEXT_H
+
+#include <opensubdiv/osd/opencl.h>
+
+class CLDeviceContext {
+public:
+    CLDeviceContext();
+    ~CLDeviceContext();
+
+    static bool HAS_CL_VERSION_1_1 ();
+
+    bool Initialize();
+
+    bool IsInitialized() const {
+        return (_clContext != NULL);
+    }
+
+    cl_context GetContext() const {
+        return _clContext;
+    }
+    cl_command_queue GetCommandQueue() const {
+        return _clCommandQueue;
+    }
+
+protected:
+    cl_context _clContext;
+    cl_command_queue _clCommandQueue;
+};
+
+struct ID3D11DeviceContext;
+
+class CLD3D11DeviceContext : public CLDeviceContext {
+public:
+    bool Initialize(ID3D11DeviceContext *deviceContext);
+
+    ID3D11DeviceContext *GetDeviceContext() const {
+        return _d3dDeviceContext;
+    }
+
+private:
+    ID3D11DeviceContext *_d3dDeviceContext;
+};
+
+
+#endif  // OSD_EXAMPLES_COMMON_CL_DEVICE_CONTEXT_H