1 files changed, 98 insertions, 0 deletions

diff --git a/xbmc/utils/GBMBufferObject.cpp b/xbmc/utils/GBMBufferObject.cpp
new file mode 100644
index 0000000..88b7575
--- /dev/null
+++ b/xbmc/utils/GBMBufferObject.cpp
@@ -0,0 +1,98 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "GBMBufferObject.h"
+
+#include "BufferObjectFactory.h"
+#include "ServiceBroker.h"
+#include "windowing/gbm/WinSystemGbmEGLContext.h"
+
+#include <gbm.h>
+
+using namespace KODI::WINDOWING::GBM;
+
+std::unique_ptr<CBufferObject> CGBMBufferObject::Create()
+{
+  return std::make_unique<CGBMBufferObject>();
+}
+
+void CGBMBufferObject::Register()
+{
+  CBufferObjectFactory::RegisterBufferObject(CGBMBufferObject::Create);
+}
+
+CGBMBufferObject::CGBMBufferObject()
+{
+  m_device = static_cast<CWinSystemGbmEGLContext*>(CServiceBroker::GetWinSystem())->GetGBMDevice();
+}
+
+CGBMBufferObject::~CGBMBufferObject()
+{
+  ReleaseMemory();
+  DestroyBufferObject();
+}
+
+bool CGBMBufferObject::CreateBufferObject(uint32_t format, uint32_t width, uint32_t height)
+{
+  if (m_fd >= 0)
+    return true;
+
+  m_width = width;
+  m_height = height;
+
+  m_bo = gbm_bo_create(m_device, m_width, m_height, format, GBM_BO_USE_LINEAR);
+
+  if (!m_bo)
+    return false;
+
+  m_fd = gbm_bo_get_fd(m_bo);
+
+  return true;
+}
+
+void CGBMBufferObject::DestroyBufferObject()
+{
+  close(m_fd);
+
+  if (m_bo)
+    gbm_bo_destroy(m_bo);
+
+  m_bo = nullptr;
+  m_fd = -1;
+}
+
+uint8_t* CGBMBufferObject::GetMemory()
+{
+  if (m_bo)
+  {
+    m_map = static_cast<uint8_t*>(gbm_bo_map(m_bo, 0, 0, m_width, m_height, GBM_BO_TRANSFER_WRITE, &m_stride, &m_map_data));
+    if (m_map)
+      return m_map;
+  }
+
+  return nullptr;
+}
+
+void CGBMBufferObject::ReleaseMemory()
+{
+  if (m_bo && m_map)
+  {
+    gbm_bo_unmap(m_bo, m_map_data);
+    m_map_data = nullptr;
+    m_map = nullptr;
+  }
+}
+
+uint64_t CGBMBufferObject::GetModifier()
+{
+#if defined(HAS_GBM_MODIFIERS)
+  return gbm_bo_get_modifier(m_bo);
+#else
+  return 0;
+#endif
+}