Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/session/display_driver.cpp

@@ -0,0 +1,86 @@
+/* SPDX-FileCopyrightText: 2021-2025 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#include "session/display_driver.h"
+
+#ifdef _WIN32
+#  include "util/windows.h"
+#else
+#  include <unistd.h>
+#endif
+
+CCL_NAMESPACE_BEGIN
+
+GraphicsInteropBuffer::~GraphicsInteropBuffer()
+{
+  clear();
+}
+
+void GraphicsInteropBuffer::assign(GraphicsInteropDevice::Type type, int64_t handle, size_t size)
+{
+  clear();
+
+  type_ = type;
+  handle_ = handle;
+  own_handle_ = true;
+  size_ = size;
+}
+
+bool GraphicsInteropBuffer::is_empty() const
+{
+  return handle_ == 0;
+}
+
+void GraphicsInteropBuffer::zero()
+{
+  need_zero_ = true;
+}
+
+void GraphicsInteropBuffer::clear()
+{
+  if (type_ == GraphicsInteropDevice::VULKAN && handle_ && own_handle_) {
+#ifdef _WIN32
+    CloseHandle(HANDLE(handle_));
+#else
+    close(handle_);
+#endif
+  }
+
+  type_ = GraphicsInteropDevice::NONE;
+  handle_ = 0;
+  size_ = 0;
+  need_zero_ = false;
+  own_handle_ = false;
+}
+
+GraphicsInteropDevice::Type GraphicsInteropBuffer::get_type() const
+{
+  return type_;
+}
+
+size_t GraphicsInteropBuffer::get_size() const
+{
+  return size_;
+}
+
+bool GraphicsInteropBuffer::has_new_handle() const
+{
+  return own_handle_;
+}
+
+bool GraphicsInteropBuffer::take_zero()
+{
+  bool need_zero = need_zero_;
+  need_zero_ = false;
+  return need_zero;
+}
+
+int64_t GraphicsInteropBuffer::take_handle()
+{
+  assert(own_handle_);
+  own_handle_ = false;
+  return handle_;
+}
+
+CCL_NAMESPACE_END