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Process render commands 1 by 1 to allow pre-empting high frequency cmds

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This commit is contained in:
baldurk
2017-02-17 13:43:19 +00:00
parent 24c1042f06
commit 1e65762e93
4 changed files with 57 additions and 22 deletions
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qrenderdoc/Code/RenderManager.cpp
+42 -18
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@@ -231,6 +231,31 @@ bool RenderManager::IsRunning()
return m_Thread && m_Thread->isRunning() && m_Running;
}
void RenderManager::AsyncInvoke(const QString &tag, RenderManager::InvokeMethod m)
{
{
QMutexLocker autolock(&m_RenderLock);
for(int i = 0; i < m_RenderQueue.count();)
{
if(m_RenderQueue[i]->tag == tag)
{
InvokeHandle *cmd = m_RenderQueue.takeAt(i);
if(cmd->selfdelete)
delete cmd;
}
else
{
i++;
}
}
}
InvokeHandle *cmd = new InvokeHandle(m, tag);
cmd->selfdelete = true;
PushInvoke(cmd);
}
void RenderManager::AsyncInvoke(RenderManager::InvokeMethod m)
{
InvokeHandle *cmd = new InvokeHandle(m);
@@ -373,7 +398,7 @@ void RenderManager::PushInvoke(RenderManager::InvokeHandle *cmd)
}
QMutexLocker autolock(&m_RenderLock);
m_RenderQueue.push_back(cmd);
m_RenderQueue.enqueue(cmd);
m_RenderCondition.wakeAll();
}
@@ -396,31 +421,30 @@ void RenderManager::run()
// main render command loop
while(m_Running)
{
QQueue<InvokeHandle *> queue;
InvokeHandle *cmd = NULL;
// wait for the condition to be woken, grab current queue,
// wait for the condition to be woken, grab top of current queue,
// unlock again.
{
QMutexLocker autolock(&m_RenderLock);
m_RenderCondition.wait(&m_RenderLock, 10);
m_RenderQueue.swap(queue);
if(m_RenderQueue.isEmpty())
m_RenderCondition.wait(&m_RenderLock, 10);
if(!m_RenderQueue.isEmpty())
cmd = m_RenderQueue.dequeue();
}
// process all the commands
for(InvokeHandle *cmd : queue)
{
if(cmd == NULL)
continue;
if(cmd == NULL)
continue;
if(cmd->method != NULL)
cmd->method(renderer);
if(cmd->method != NULL)
cmd->method(renderer);
// if it's a throwaway command, delete it
if(cmd->selfdelete)
delete cmd;
else
cmd->processed.release();
}
// if it's a throwaway command, delete it
if(cmd->selfdelete)
delete cmd;
else
cmd->processed.release();
}
// clean up anything left in the queue