Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/opensubdiv/bfr/surfaceData.cpp

@@ -0,0 +1,68 @@
+//
+//   Copyright 2021 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#include "../bfr/surfaceData.h"
+#include "../bfr/patchTree.h"
+
+namespace OpenSubdiv {
+namespace OPENSUBDIV_VERSION {
+
+namespace Bfr {
+namespace internal {
+
+//
+//  Constructors and other methods to manage data members for copy and
+//  destruction:
+//
+SurfaceData::SurfaceData() : _cvIndices(), _param(),
+    _isValid(false),
+    _isDouble(false),
+    _isRegular(true),
+    _isLinear(false),
+    _regPatchType(0),
+    _regPatchMask(0),
+    _irregPatch() {
+}
+
+SurfaceData & 
+SurfaceData::operator=(SurfaceData const & src) {
+
+    //  No need to explicitly manage pre-existing resources in destination
+    //  as they will be either re-used or released when re-assigned
+
+    //  No copy/operator= supported by StackBuffer so resize and copy:
+    _cvIndices.SetSize(src._cvIndices.GetSize());
+    std::memcpy(&_cvIndices[0],
+        &src._cvIndices[0], src._cvIndices.GetSize() * sizeof(Index));
+
+    _param = src._param;
+
+    _isValid      = src._isValid;
+    _isDouble     = src._isDouble;
+    _isRegular    = src._isRegular;
+    _isLinear     = src._isLinear;
+    _regPatchType = src._regPatchType;
+    _regPatchMask = src._regPatchMask;
+    _irregPatch   = src._irregPatch;
+
+    return *this;
+}
+
+void
+SurfaceData::invalidate() {
+
+    //  Release any attached memory before marking as invalid:
+    _irregPatch = 0;
+
+    _isValid = false;
+}
+
+} // end namespace internal
+} // end namespace Bfr
+
+} // end namespace OPENSUBDIV_VERSION
+} // end namespace OpenSubdiv