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make sampler hash more accurate

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Samuliak 2025-01-26 10:39:39 +01:00
parent 24e1bba31c
commit 2e6eafde2e
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1 changed files with 64 additions and 44 deletions
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108
src/Cafe/HW/Latte/Renderer/Metal/MetalSamplerCache.cpp
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@ -2,7 +2,6 @@
#include "Cafe/HW/Latte/Renderer/Metal/MetalRenderer.h"
#include "Cafe/HW/Latte/Core/LatteShader.h"
#include "Cafe/HW/Latte/Renderer/Metal/LatteToMtl.h"
#include "Metal/MTLSampler.hpp"
inline const char* BorderColorToStr(MTL::SamplerBorderColor borderColor)
{
@ -17,6 +16,54 @@ inline const char* BorderColorToStr(MTL::SamplerBorderColor borderColor)
}
}
MTL::SamplerBorderColor GetBorderColor(LatteConst::ShaderType shaderType, uint32 stageSamplerIndex, const _LatteRegisterSetSampler* samplerWords, bool logWorkaround)
{
auto borderType = samplerWords->WORD0.get_BORDER_COLOR_TYPE();
MTL::SamplerBorderColor borderColor;
if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::TRANSPARENT_BLACK)
borderColor = MTL::SamplerBorderColorTransparentBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_BLACK)
borderColor = MTL::SamplerBorderColorOpaqueBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_WHITE)
borderColor = MTL::SamplerBorderColorOpaqueWhite;
else [[unlikely]]
{
_LatteRegisterSetSamplerBorderColor* borderColorReg;
if (shaderType == LatteConst::ShaderType::Vertex)
borderColorReg = LatteGPUState.contextNew.TD_VS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
else if (shaderType == LatteConst::ShaderType::Pixel)
borderColorReg = LatteGPUState.contextNew.TD_PS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
else // geometry
borderColorReg = LatteGPUState.contextNew.TD_GS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
float r = borderColorReg->red.get_channelValue();
float g = borderColorReg->green.get_channelValue();
float b = borderColorReg->blue.get_channelValue();
float a = borderColorReg->alpha.get_channelValue();
// Metal doesn't support custom border color
// Let's find the best match
bool opaque = (a == 1.0f);
bool white = (r == 1.0f);
if (opaque)
{
if (white)
borderColor = MTL::SamplerBorderColorOpaqueWhite;
else
borderColor = MTL::SamplerBorderColorOpaqueBlack;
}
else
{
borderColor = MTL::SamplerBorderColorTransparentBlack;
}
if (logWorkaround)
cemuLog_log(LogType::Force, "Custom border color ({}, {}, {}, {}) is not supported on Metal, using {} instead", r, g, b, a, BorderColorToStr(borderColor));
}
return borderColor;
}
MetalSamplerCache::~MetalSamplerCache()
{
for (auto& pair : m_samplerCache)
@ -115,48 +162,8 @@ MTL::SamplerState* MetalSamplerCache::GetSamplerState(const LatteContextRegister
// TODO: is it okay to just cast?
samplerDescriptor->setCompareFunction(GetMtlCompareFunc((Latte::E_COMPAREFUNC)samplerWords->WORD0.get_DEPTH_COMPARE_FUNCTION()));
// border
auto borderType = samplerWords->WORD0.get_BORDER_COLOR_TYPE();
MTL::SamplerBorderColor borderColor;
if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::TRANSPARENT_BLACK)
borderColor = MTL::SamplerBorderColorTransparentBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_BLACK)
borderColor = MTL::SamplerBorderColorOpaqueBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_WHITE)
borderColor = MTL::SamplerBorderColorOpaqueWhite;
else [[unlikely]]
{
_LatteRegisterSetSamplerBorderColor* borderColorReg;
if (shaderType == LatteConst::ShaderType::Vertex)
borderColorReg = LatteGPUState.contextNew.TD_VS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
else if (shaderType == LatteConst::ShaderType::Pixel)
borderColorReg = LatteGPUState.contextNew.TD_PS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
else // geometry
borderColorReg = LatteGPUState.contextNew.TD_GS_SAMPLER_BORDER_COLOR + stageSamplerIndex;
float r = borderColorReg->red.get_channelValue();
float g = borderColorReg->green.get_channelValue();
float b = borderColorReg->blue.get_channelValue();
float a = borderColorReg->alpha.get_channelValue();
// Metal doesn't support custom border color
// Let's find the best match
bool opaque = (a == 1.0f);
bool white = (r == 1.0f);
if (opaque)
{
if (white)
borderColor = MTL::SamplerBorderColorOpaqueWhite;
else
borderColor = MTL::SamplerBorderColorOpaqueBlack;
}
else
{
borderColor = MTL::SamplerBorderColorTransparentBlack;
}
cemuLog_log(LogType::Force, "Custom border color ({}, {}, {}, {}) is not supported on Metal, using {} instead", r, g, b, a, BorderColorToStr(borderColor));
}
// Border color
auto borderColor = GetBorderColor(shaderType, stageSamplerIndex, samplerWords, true);
samplerDescriptor->setBorderColor(borderColor);
samplerState = m_mtlr->GetDevice()->newSamplerState(samplerDescriptor);
@ -168,6 +175,19 @@ uint64 MetalSamplerCache::CalculateSamplerHash(const LatteContextRegister& lcr,
{
const _LatteRegisterSetSampler* samplerWords = lcr.SQ_TEX_SAMPLER + samplerIndex;
uint64 hash = 0;
hash = std::rotl<uint64>(hash, 17);
hash += (uint64)samplerWords->WORD0.getRawValue();
hash = std::rotl<uint64>(hash, 17);
hash += (uint64)samplerWords->WORD1.getRawValue();
hash = std::rotl<uint64>(hash, 17);
hash += (uint64)samplerWords->WORD2.getRawValue();
auto borderColor = GetBorderColor(shaderType, stageSamplerIndex, samplerWords, true);
hash = std::rotl<uint64>(hash, 5);
hash += (uint64)borderColor;
// TODO: check this
return *((uint64*)samplerWords);
return hash;
}