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create helper function for rasterization kill

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Samuliak 2025-01-28 16:41:30 +01:00
parent 05518c01fb
commit 1fb9cfd783
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5 changed files with 37 additions and 65 deletions
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16
src/Cafe/HW/Latte/Core/LatteShader.cpp
View file

@ -9,6 +9,7 @@
#include "Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.h"
#include "Cafe/OS/libs/gx2/GX2.h" // todo - remove dependency
#include "Cafe/GraphicPack/GraphicPack2.h"
#include "HW/Latte/Core/Latte.h"
#include "HW/Latte/Renderer/Renderer.h"
#include "util/helpers/StringParser.h"
#include "config/ActiveSettings.h"
@ -543,20 +544,7 @@ void LatteSHRC_UpdateVSBaseHash(uint8* vertexShaderPtr, uint32 vertexShaderSize,
if (!usesGeometryShader)
{
// Rasterization
bool rasterizationEnabled = !LatteGPUState.contextNew.PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// HACK
if (!LatteGPUState.contextNew.PA_CL_VTE_CNTL.get_VPORT_X_OFFSET_ENA())
rasterizationEnabled = true;
const auto& polygonControlReg = LatteGPUState.contextNew.PA_SU_SC_MODE_CNTL;
uint32 cullFront = polygonControlReg.get_CULL_FRONT();
uint32 cullBack = polygonControlReg.get_CULL_BACK();
if (cullFront && cullBack)
rasterizationEnabled = false;
if (rasterizationEnabled)
if (LatteGPUState.contextNew.IsRasterizationEnabled())
vsHash += 51ULL;
// Vertex fetch

18
src/Cafe/HW/Latte/ISA/LatteReg.h
View file

@ -1598,6 +1598,24 @@ struct LatteContextRegister
{
return (uint32*)hleSpecialState;
}
bool IsRasterizationEnabled() const
{
bool rasterizationEnabled = !PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// GX2SetSpecialState(0, true) enables DX_RASTERIZATION_KILL, but still expects depth writes to happen? -> Research which stages are disabled by DX_RASTERIZATION_KILL exactly
// for now we use a workaround:
if (!PA_CL_VTE_CNTL.get_VPORT_X_OFFSET_ENA())
rasterizationEnabled = true;
// Culling both front and back faces effectively disables rasterization
uint32 cullFront = PA_SU_SC_MODE_CNTL.get_CULL_FRONT();
uint32 cullBack = PA_SU_SC_MODE_CNTL.get_CULL_BACK();
if (cullFront && cullBack)
rasterizationEnabled = false;
return rasterizationEnabled;
}
};
static_assert(sizeof(LatteContextRegister) == 0x10000 * 4 + 9 * 4);

16
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
View file

@ -3938,21 +3938,7 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
bool fetchVertexManually = (usesGeometryShader || (shaderContext->fetchShader && shaderContext->fetchShader->mtlFetchVertexManually));
// Rasterization
rasterizationEnabled = true;
if (shader->shaderType == LatteConst::ShaderType::Vertex && !usesGeometryShader)
{
rasterizationEnabled = !shaderContext->contextRegistersNew->PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// HACK
if (!shaderContext->contextRegistersNew->PA_CL_VTE_CNTL.get_VPORT_X_OFFSET_ENA())
rasterizationEnabled = true;
const auto& polygonControlReg = shaderContext->contextRegistersNew->PA_SU_SC_MODE_CNTL;
uint32 cullFront = polygonControlReg.get_CULL_FRONT();
uint32 cullBack = polygonControlReg.get_CULL_BACK();
if (cullFront && cullBack)
rasterizationEnabled = false;
}
rasterizationEnabled = shaderContext->contextRegistersNew->IsRasterizationEnabled();
StringBuf* src = new StringBuf(1024*1024*12); // reserve 12MB for generated source (we resize-to-fit at the end)
shaderContext->shaderSource = src;

14
src/Cafe/HW/Latte/Renderer/Metal/MetalPipelineCompiler.cpp
View file

@ -295,19 +295,7 @@ void MetalPipelineCompiler::InitFromState(const LatteFetchShader* fetchShader, c
m_usesGeometryShader = (geometryShader != nullptr || isPrimitiveRect);
// Rasterization
m_rasterizationEnabled = !lcr.PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// HACK
// TODO: include this in the hash?
if (!lcr.PA_CL_VTE_CNTL.get_VPORT_X_OFFSET_ENA())
m_rasterizationEnabled = true;
// Culling both front and back faces effectively disables rasterization
const auto& polygonControlReg = lcr.PA_SU_SC_MODE_CNTL;
uint32 cullFront = polygonControlReg.get_CULL_FRONT();
uint32 cullBack = polygonControlReg.get_CULL_BACK();
if (cullFront && cullBack)
m_rasterizationEnabled = false;
m_rasterizationEnabled = lcr.IsRasterizationEnabled();
// Shaders
m_vertexShaderMtl = static_cast<RendererShaderMtl*>(vertexShader->shader);

10
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
View file

@ -1065,15 +1065,7 @@ void MetalRenderer::draw_beginSequence()
LatteRenderTarget_updateViewport();
LatteRenderTarget_updateScissorBox();
// check for conditions which would turn the drawcalls into no-ops
bool rasterizerEnable = !LatteGPUState.contextNew.PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// GX2SetSpecialState(0, true) enables DX_RASTERIZATION_KILL, but still expects depth writes to happen? -> Research which stages are disabled by DX_RASTERIZATION_KILL exactly
// for now we use a workaround:
if (!LatteGPUState.contextNew.PA_CL_VTE_CNTL.get_VPORT_X_OFFSET_ENA())
rasterizerEnable = true;
if (!rasterizerEnable && !streamoutEnable)
if (!LatteGPUState.contextNew.IsRasterizationEnabled() && !streamoutEnable)
m_state.m_skipDrawSequence = true;
}