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/*
* 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>
#include <unistd.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().Get();
}
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
}
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