Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/opensubdiv/osd/cpuVertexBuffer.cpp

@@ -0,0 +1,67 @@
+//
+//   Copyright 2013 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#include "../osd/cpuVertexBuffer.h"
+
+#include <string.h>
+
+namespace OpenSubdiv {
+namespace OPENSUBDIV_VERSION {
+
+namespace Osd {
+
+CpuVertexBuffer::CpuVertexBuffer(int numElements, int numVertices)
+    : _numElements(numElements),
+      _numVertices(numVertices),
+      _cpuBuffer(NULL) {
+
+    _cpuBuffer = new float[numElements * numVertices];
+}
+
+CpuVertexBuffer::~CpuVertexBuffer() {
+
+    delete[] _cpuBuffer;
+}
+
+CpuVertexBuffer *
+CpuVertexBuffer::Create(int numElements, int numVertices,
+                        void * /*deviceContext*/) {
+
+    return new CpuVertexBuffer(numElements, numVertices);
+}
+
+void
+CpuVertexBuffer::UpdateData(const float *src, int startVertex, int numVertices,
+                            void * /*deviceContext*/) {
+
+    memcpy(_cpuBuffer + startVertex * _numElements,
+           src, GetNumElements() * numVertices * sizeof(float));
+}
+
+int
+CpuVertexBuffer::GetNumElements() const {
+
+    return _numElements;
+}
+
+int
+CpuVertexBuffer::GetNumVertices() const {
+
+    return _numVertices;
+}
+
+float*
+CpuVertexBuffer::BindCpuBuffer() {
+
+    return _cpuBuffer;
+}
+
+}  // end namespace Osd
+
+}  // end namespace OPENSUBDIV_VERSION
+}  // end namespace OpenSubdiv
+