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ShaderCache: Implement compile priority

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Currently, when immediately compile shaders is not enabled, the
ubershaders will be placed before any specialized shaders in the compile
queue in hybrid ubershaders mode. This means that Dolphin could
potentially use the ubershaders for a longer time than it would have if
we blocked startup until all shaders were compiled, leading to a drop in
performance.
This commit is contained in:
Stenzek 2018-03-16 22:48:56 +10:00
commit 93865b327f
4 changed files with 60 additions and 41 deletions
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9
Source/Core/VideoCommon/AsyncShaderCompiler.cpp
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@ -20,7 +20,7 @@ AsyncShaderCompiler::~AsyncShaderCompiler()
_assert_(!HasWorkerThreads());
}
void AsyncShaderCompiler::QueueWorkItem(WorkItemPtr item)
void AsyncShaderCompiler::QueueWorkItem(WorkItemPtr item, u32 priority)
{
// If no worker threads are available, compile synchronously.
if (!HasWorkerThreads())
@ -31,7 +31,7 @@ void AsyncShaderCompiler::QueueWorkItem(WorkItemPtr item)
else
{
std::lock_guard<std::mutex> guard(m_pending_work_lock);
m_pending_work.push_back(std::move(item));
m_pending_work.emplace(priority, std::move(item));
m_worker_thread_wake.notify_one();
}
}
@ -219,8 +219,9 @@ void AsyncShaderCompiler::WorkerThreadRun()
while (!m_pending_work.empty() && !m_exit_flag.IsSet())
{
m_busy_workers++;
WorkItemPtr item(std::move(m_pending_work.front()));
m_pending_work.pop_front();
auto iter = m_pending_work.begin();
WorkItemPtr item(std::move(iter->second));
m_pending_work.erase(iter);
pending_lock.unlock();
if (item->Compile())