IRenderBuffer *CBaseRenderBufferPool::GetBuffer(unsigned int width, unsigned int height)
{
if (!m_bConfigured)
return nullptr;
IRenderBuffer *renderBuffer = nullptr;
void *header = nullptr;
if (GetHeaderWithTimeout(header))
{
CSingleLock lock(m_bufferMutex);
for (auto it = m_free.begin(); it != m_free.end(); ++it)
{
std::unique_ptr<IRenderBuffer> &buffer = *it;
// Only return buffers of the same dimensions
const unsigned int bufferWidth = buffer->GetWidth();
const unsigned int bufferHeight = buffer->GetHeight();
if (bufferWidth == width && bufferHeight == height)
{
renderBuffer = buffer.release();
renderBuffer->SetHeader(header);
m_free.erase(it);
break;
}
}
if (renderBuffer == nullptr)
{
CLog::Log(LOGDEBUG, "RetroPlayer[RENDER]: Creating render buffer of size %ux%u for buffer pool",
width,
height);
std::unique_ptr<IRenderBuffer> renderBufferPtr(CreateRenderBuffer(header));
if (renderBufferPtr->Allocate(m_format, width, height))
renderBuffer = renderBufferPtr.release();
else
CLog::Log(LOGERROR, "RetroPlayer[RENDER]: Failed to allocate render buffer");
}
if (renderBuffer != nullptr)
{
renderBuffer->Acquire(GetPtr());
renderBuffer->Update();
}
}
return renderBuffer;
}
IRenderBuffer *CBaseRenderBufferPool::GetBuffer(size_t size)
{
if (!m_bConfigured)
return nullptr;
// If frame size is unknown, set it now
if (m_frameSize == 0)
m_frameSize = size;
// Changing sizes is not implemented
if (m_frameSize != size)
return nullptr;
IRenderBuffer *renderBuffer = nullptr;
void *header = nullptr;
if (GetHeaderWithTimeout(header))
{
CSingleLock lock(m_bufferMutex);
if (!m_free.empty())
{
renderBuffer = m_free.front().release();
m_free.pop_front();
renderBuffer->SetHeader(header);
}
else
{
CLog::Log(LOGDEBUG, "RetroPlayer[RENDER]: Creating render buffer for buffer pool");
std::unique_ptr<IRenderBuffer> renderBufferPtr(CreateRenderBuffer(header));
if (renderBufferPtr->Allocate(m_format, m_width, m_height, m_frameSize))
renderBuffer = renderBufferPtr.release();
}
if (renderBuffer != nullptr)
{
renderBuffer->Acquire(GetPtr());
renderBuffer->Update();
}
}
return renderBuffer;
}
