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choose the closest matching sampler border color

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Samuliak 2025-01-26 10:23:07 +01:00
parent 0c216e40e0
commit 24e1bba31c
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3 changed files with 63 additions and 18 deletions
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3
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
View file

@ -2049,8 +2049,7 @@ void MetalRenderer::BindStageResources(MTL::RenderCommandEncoder* renderCommandE
MTL::SamplerState* sampler;
if (stageSamplerIndex != LATTE_DECOMPILER_SAMPLER_NONE)
{
uint32 samplerIndex = stageSamplerIndex + LatteDecompiler_getTextureSamplerBaseIndex(shader->shaderType);
sampler = m_samplerCache->GetSamplerState(LatteGPUState.contextNew, samplerIndex);
sampler = m_samplerCache->GetSamplerState(LatteGPUState.contextNew, shader->shaderType, stageSamplerIndex);
}
else
{

65
src/Cafe/HW/Latte/Renderer/Metal/MetalSamplerCache.cpp
View file

@ -1,6 +1,21 @@
#include "Cafe/HW/Latte/Renderer/Metal/MetalSamplerCache.h"
#include "Cafe/HW/Latte/Renderer/Metal/MetalRenderer.h"
#include "HW/Latte/Renderer/Metal/LatteToMtl.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)
{
switch (borderColor)
{
case MTL::SamplerBorderColorTransparentBlack:
return "transparent black";
case MTL::SamplerBorderColorOpaqueBlack:
return "opaque black";
case MTL::SamplerBorderColorOpaqueWhite:
return "opaque white";
}
}
MetalSamplerCache::~MetalSamplerCache()
{
@ -11,9 +26,11 @@ MetalSamplerCache::~MetalSamplerCache()
m_samplerCache.clear();
}
MTL::SamplerState* MetalSamplerCache::GetSamplerState(const LatteContextRegister& lcr, uint32 samplerIndex)
MTL::SamplerState* MetalSamplerCache::GetSamplerState(const LatteContextRegister& lcr, LatteConst::ShaderType shaderType, uint32 stageSamplerIndex)
{
uint64 stateHash = CalculateSamplerHash(lcr, samplerIndex);
uint32 samplerIndex = stageSamplerIndex + LatteDecompiler_getTextureSamplerBaseIndex(shaderType);
uint64 stateHash = CalculateSamplerHash(lcr, shaderType, stageSamplerIndex, samplerIndex);
auto& samplerState = m_samplerCache[stateHash];
if (samplerState)
return samplerState;
@ -101,25 +118,53 @@ MTL::SamplerState* MetalSamplerCache::GetSamplerState(const LatteContextRegister
// 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)
samplerDescriptor->setBorderColor(MTL::SamplerBorderColorTransparentBlack);
borderColor = MTL::SamplerBorderColorTransparentBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_BLACK)
samplerDescriptor->setBorderColor(MTL::SamplerBorderColorOpaqueBlack);
borderColor = MTL::SamplerBorderColorOpaqueBlack;
else if (borderType == Latte::LATTE_SQ_TEX_SAMPLER_WORD0_0::E_BORDER_COLOR_TYPE::OPAQUE_WHITE)
samplerDescriptor->setBorderColor(MTL::SamplerBorderColorOpaqueWhite);
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
{
// Metal doesn't support custom border color
cemuLog_logOnce(LogType::Force, "Custom border color is not supported in Metal, using transparent black instead");
samplerDescriptor->setBorderColor(MTL::SamplerBorderColorTransparentBlack);
borderColor = MTL::SamplerBorderColorTransparentBlack;
}
cemuLog_log(LogType::Force, "Custom border color ({}, {}, {}, {}) is not supported on Metal, using {} instead", r, g, b, a, BorderColorToStr(borderColor));
}
samplerDescriptor->setBorderColor(borderColor);
samplerState = m_mtlr->GetDevice()->newSamplerState(samplerDescriptor);
return samplerState;
}
uint64 MetalSamplerCache::CalculateSamplerHash(const LatteContextRegister& lcr, uint32 samplerIndex)
uint64 MetalSamplerCache::CalculateSamplerHash(const LatteContextRegister& lcr, LatteConst::ShaderType shaderType, uint32 stageSamplerIndex, uint32 samplerIndex)
{
const _LatteRegisterSetSampler* samplerWords = lcr.SQ_TEX_SAMPLER + samplerIndex;

5
src/Cafe/HW/Latte/Renderer/Metal/MetalSamplerCache.h
View file

@ -2,6 +2,7 @@
#include <Metal/Metal.hpp>
#include "HW/Latte/Core/LatteConst.h"
#include "HW/Latte/ISA/LatteReg.h"
class MetalSamplerCache
@ -10,12 +11,12 @@ public:
MetalSamplerCache(class MetalRenderer* metalRenderer) : m_mtlr{metalRenderer} {}
~MetalSamplerCache();
MTL::SamplerState* GetSamplerState(const LatteContextRegister& lcr, uint32 samplerIndex);
MTL::SamplerState* GetSamplerState(const LatteContextRegister& lcr, LatteConst::ShaderType shaderType, uint32 stageSamplerIndex);
private:
class MetalRenderer* m_mtlr;
std::map<uint64, MTL::SamplerState*> m_samplerCache;
uint64 CalculateSamplerHash(const LatteContextRegister& lcr, uint32 samplerIndex);
uint64 CalculateSamplerHash(const LatteContextRegister& lcr, LatteConst::ShaderType shaderType, uint32 stageSamplerIndex, uint32 samplerIndex);
};