//==============================================================================
void RenderingThread::flushCommandBuffer(CommandBufferPtr cmdb)
{
cmdb->getImplementation().makeImmutable();
{
LockGuard<Mutex> lock(m_mtx);
// Set commands
U64 diff = m_tail - m_head;
if(diff < m_queue.getSize())
{
U64 idx = m_tail % m_queue.getSize();
m_queue[idx] = cmdb;
++m_tail;
}
else
{
ANKI_LOGW("Rendering queue too small");
}
m_condVar.notifyOne(); // Wake the thread
}
}
Error operator()(GlState&)
{
ANKI_TRACE_START_EVENT(GL_2ND_LEVEL_CMD_BUFFER);
Error err = m_cmdb->getImplementation().executeAllCommands();
ANKI_TRACE_STOP_EVENT(GL_2ND_LEVEL_CMD_BUFFER);
return err;
}
void Texture::init(const TextureInitInfo& init)
{
m_impl.reset(getAllocator().newInstance<TextureImpl>(&getManager()));
CommandBufferPtr cmdb =
getManager().newInstance<CommandBuffer>(CommandBufferInitInfo());
cmdb->getImplementation().pushBackNewCommand<CreateTextureCommand>(
this, init);
cmdb->flush();
}
void OcclusionQuery::init(OcclusionQueryResultBit condRenderingBit)
{
m_impl.reset(getAllocator().newInstance<OcclusionQueryImpl>(&getManager()));
CommandBufferPtr cmdb =
getManager().newInstance<CommandBuffer>(CommandBufferInitInfo());
cmdb->getImplementation().pushBackNewCommand<CreateOqCommand>(
this, condRenderingBit);
cmdb->flush();
}
//==============================================================================
void RenderingThread::threadLoop()
{
prepare();
while(1)
{
CommandBufferPtr cmd;
// Wait for something
{
LockGuard<Mutex> lock(m_mtx);
while(m_tail == m_head)
{
m_condVar.wait(m_mtx);
}
// Check signals
if(m_renderingThreadSignal == 1)
{
// Requested to stop
break;
}
U64 idx = m_head % m_queue.getSize();
// Pop a command
cmd = m_queue[idx];
m_queue[idx] = CommandBufferPtr(); // Insert empty cmd buffer
++m_head;
}
ANKI_TRACE_START_EVENT(GL_THREAD);
Error err = cmd->getImplementation().executeAllCommands();
ANKI_TRACE_STOP_EVENT(GL_THREAD);
if(err)
{
ANKI_LOGE("Error in rendering thread. Aborting");
abort();
}
}
finish();
}