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ShaderCache: Implement background shader compilation

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This enables shaders to be compiled while the game is starting, instead
of blocking startup. If a shader is needed before it is compiled,
emulation will block.
This commit is contained in:
Stenzek 2018-03-01 19:21:06 +10:00
commit e31cc1f679
15 changed files with 202 additions and 145 deletions
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5
Source/Core/VideoCommon/VideoConfig.cpp
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@ -102,6 +102,7 @@ void VideoConfig::Refresh()
bBackendMultithreading = Config::Get(Config::GFX_BACKEND_MULTITHREADING);
iCommandBufferExecuteInterval = Config::Get(Config::GFX_COMMAND_BUFFER_EXECUTE_INTERVAL);
bShaderCache = Config::Get(Config::GFX_SHADER_CACHE);
bWaitForShadersBeforeStarting = Config::Get(Config::GFX_WAIT_FOR_SHADERS_BEFORE_STARTING);
iUberShaderMode = static_cast<UberShaderMode>(Config::Get(Config::GFX_UBERSHADER_MODE));
iShaderCompilerThreads = Config::Get(Config::GFX_SHADER_COMPILER_THREADS);
iShaderPrecompilerThreads = Config::Get(Config::GFX_SHADER_PRECOMPILER_THREADS);
@ -196,6 +197,10 @@ u32 VideoConfig::GetShaderCompilerThreads() const
u32 VideoConfig::GetShaderPrecompilerThreads() const
{
// When using background compilation, always keep the same thread count.
if (bWaitForShadersBeforeStarting)
return GetShaderCompilerThreads();
if (!backend_info.bSupportsBackgroundCompiling)
return 0;