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VideoBackends: Support a different number of threads for precompiling

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At runtime, we only really want a single shader compiler thread.
However, for initial boots, we can use a higher number to speed things
up.
This commit is contained in:
Stenzek
2017-07-27 13:15:38 +10:00
parent e17efb1d8d
commit c8f31656cb
14 changed files with 81 additions and 27 deletions
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23
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -607,17 +607,8 @@ void ProgramShaderCache::Init()
// on the main thread the first time they are used, causing stutter. Nouveau has been
// reported to crash if draw calls are invoked on the shared context threads. For now,
// disable asynchronous compilation on Mesa.
if (!DriverDetails::HasBug(DriverDetails::BUG_SHARED_CONTEXT_SHADER_COMPILATION) &&
g_ActiveConfig.GetShaderCompilerThreads() > 0)
{
if (!DriverDetails::HasBug(DriverDetails::BUG_SHARED_CONTEXT_SHADER_COMPILATION))
s_async_compiler = std::make_unique<SharedContextAsyncShaderCompiler>();
s_async_compiler->StartWorkerThreads(g_ActiveConfig.GetShaderCompilerThreads());
if (!s_async_compiler->HasWorkerThreads())
{
// No point using the async compiler without workers.
s_async_compiler.reset();
}
}
// Read our shader cache, only if supported and enabled
if (g_ogl_config.bSupportsGLSLCache && g_ActiveConfig.bShaderCache)
@ -630,7 +621,19 @@ void ProgramShaderCache::Init()
last_uber_entry = nullptr;
if (g_ActiveConfig.CanPrecompileUberShaders())
{
if (s_async_compiler)
s_async_compiler->ResizeWorkerThreads(g_ActiveConfig.GetShaderPrecompilerThreads());
PrecompileUberShaders();
}
if (s_async_compiler)
{
// No point using the async compiler without workers.
s_async_compiler->ResizeWorkerThreads(g_ActiveConfig.GetShaderCompilerThreads());
if (!s_async_compiler->HasWorkerThreads())
s_async_compiler.reset();
}
}
void ProgramShaderCache::RetrieveAsyncShaders()