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Implement "Skip" ubershader mode

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Skip ubershader mode works the same as hybrid ubershaders in that the
shaders are compiled asynchronously. However, instead of using the
ubershader to draw the object, it skips it entirely until the
specialized shader is made available.

This mode will likely result in broken effects where a game creates an
EFB copy, and does not redraw it every frame. Therefore, it is not a
recommended option, however, it may result in better performance on
low-end systems.
This commit is contained in:
Stenzek 2018-03-16 23:10:22 +10:00
commit 2f1a7cbee1
22 changed files with 292 additions and 127 deletions
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9
Source/Core/VideoCommon/VideoConfig.cpp
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@ -103,7 +103,8 @@ void VideoConfig::Refresh()
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));
iShaderCompilationMode =
static_cast<ShaderCompilationMode>(Config::Get(Config::GFX_SHADER_COMPILATION_MODE));
iShaderCompilerThreads = Config::Get(Config::GFX_SHADER_COMPILER_THREADS);
iShaderPrecompilerThreads = Config::Get(Config::GFX_SHADER_PRECOMPILER_THREADS);
@ -178,6 +179,12 @@ bool VideoConfig::IsVSync() const
return bVSync && !Core::GetIsThrottlerTempDisabled();
}
bool VideoConfig::UsingUberShaders() const
{
return iShaderCompilationMode == ShaderCompilationMode::SynchronousUberShaders ||
iShaderCompilationMode == ShaderCompilationMode::AsynchronousUberShaders;
}
static u32 GetNumAutoShaderCompilerThreads()
{
// Automatic number. We use clamp(cpus - 3, 1, 4).