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VideoConfig: Add config options for ubershaders

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This commit is contained in:
Stenzek
2017-06-13 20:07:09 +10:00
parent 745d541527
commit 901bf9c257
12 changed files with 207 additions and 0 deletions
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35
Source/Core/VideoCommon/VideoConfig.cpp
View File

@ -4,6 +4,7 @@
#include <algorithm>
#include "Common/CPUDetect.h"
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "Core/Config/GraphicsSettings.h"
@ -93,6 +94,12 @@ 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);
bBackgroundShaderCompiling = Config::Get(Config::GFX_BACKGROUND_SHADER_COMPILING);
bDisableSpecializedShaders = Config::Get(Config::GFX_DISABLE_SPECIALIZED_SHADERS);
bPrecompileUberShaders = Config::Get(Config::GFX_PRECOMPILE_UBER_SHADERS);
iShaderCompilerThreads = Config::Get(Config::GFX_SHADER_COMPILER_THREADS);
bForceVertexUberShaders = Config::Get(Config::GFX_FORCE_VERTEX_UBER_SHADERS);
bForcePixelUberShaders = Config::Get(Config::GFX_FORCE_PIXEL_UBER_SHADERS);
bZComploc = Config::Get(Config::GFX_SW_ZCOMPLOC);
bZFreeze = Config::Get(Config::GFX_SW_ZFREEZE);
@ -188,3 +195,31 @@ bool VideoConfig::IsVSync()
{
return bVSync && !Core::GetIsThrottlerTempDisabled();
}
u32 VideoConfig::GetShaderCompilerThreads() const
{
if (iShaderCompilerThreads >= 0)
return static_cast<u32>(iShaderCompilerThreads);
// Automatic number. We use clamp(cpus - 3, 1, 4).
return static_cast<u32>(std::min(std::max(cpu_info.num_cores - 3, 1), 4));
}
bool VideoConfig::CanUseUberShaders() const
{
// Ubershaders are currently incompatible with per-pixel lighting.
return !bEnablePixelLighting;
}
bool VideoConfig::CanPrecompileUberShaders() const
{
// We don't want to precompile ubershaders if they're never going to be used.
return bPrecompileUberShaders && (bBackgroundShaderCompiling || bDisableSpecializedShaders) &&
CanUseUberShaders();
}
bool VideoConfig::CanBackgroundCompileShaders() const
{
// We require precompiled ubershaders to background compile shaders.
return bBackgroundShaderCompiling && bPrecompileUberShaders && CanUseUberShaders();
}

33
Source/Core/VideoCommon/VideoConfig.h
View File

@ -168,6 +168,35 @@ struct VideoConfig final
// Currently only supported with Vulkan.
int iCommandBufferExecuteInterval;
// The following options determine the ubershader mode:
// No ubershaders:
// - bBackgroundShaderCompiling = false
// - bDisableSpecializedShaders = false
// Hybrid/background compiling:
// - bBackgroundShaderCompiling = true
// - bDisableSpecializedShaders = false
// Ubershaders only:
// - bBackgroundShaderCompiling = false
// - bDisableSpecializedShaders = true
// Enable background shader compiling, use ubershaders while waiting.
bool bBackgroundShaderCompiling;
// Use ubershaders only, don't compile specialized shaders.
bool bDisableSpecializedShaders;
// Precompile ubershader variants at boot/config reload time.
bool bPrecompileUberShaders;
// Number of shader compiler threads.
// 0 disables background compilation.
// -1 uses an automatic number based on the CPU threads.
int iShaderCompilerThreads;
// Temporary toggling of ubershaders, for debugging
bool bForceVertexUberShaders;
bool bForcePixelUberShaders;
// Static config per API
// TODO: Move this out of VideoConfig
struct
@ -226,6 +255,10 @@ struct VideoConfig final
return backend_info.bSupportsGPUTextureDecoding && bEnableGPUTextureDecoding;
}
bool UseVertexRounding() const { return bVertexRounding && iEFBScale != SCALE_1X; }
u32 GetShaderCompilerThreads() const;
bool CanUseUberShaders() const;
bool CanPrecompileUberShaders() const;
bool CanBackgroundCompileShaders() const;
};
extern VideoConfig g_Config;