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fix: geometry shaders

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This commit is contained in:
Samuliak 2024-08-21 08:17:41 +02:00
parent 76cf3de80b
commit 7500a54b38
6 changed files with 82 additions and 74 deletions
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27
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
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@ -3589,7 +3589,6 @@ void LatteDecompiler_emitClauseCodeMSL(LatteDecompilerShaderContext* shaderConte
src->add("out.pointSize = supportBuffer.pointSize;" _CRLF);
// Emit vertex (if the vertex index matches thread id)
src->add("mesh.set_vertex(vertexIndex, out);" _CRLF);
src->add("mesh.set_index(vertexIndex, vertexIndex);" _CRLF);
src->add("vertexIndex++;" _CRLF);
// increment transform feedback pointer
for (sint32 i = 0; i < LATTE_NUM_STREAMOUT_BUFFER; i++)
@ -3849,7 +3848,7 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
// Will also modify vid in case of an indexed draw
src->add("VertexIn fetchInput(thread uint& vid VERTEX_BUFFER_DEFINITIONS);" _CRLF);
functionType = "[[object, max_total_threads_per_threadgroup(VERTICES_PER_PRIMITIVE), max_total_threadgroups_per_mesh_grid(1)]]";
functionType = "[[object, max_total_threads_per_threadgroup(VERTICES_PER_VERTEX_PRIMITIVE), max_total_threadgroups_per_mesh_grid(1)]]";
outputTypeName = "void";
}
else
@ -3876,7 +3875,7 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
if (shader->shaderType == LatteConst::ShaderType::Vertex)
{
// Calculate the imaginary vertex id
src->add("uint vid = tig * VERTICES_PER_PRIMITIVE + tid;" _CRLF);
src->add("uint vid = tig * VERTICES_PER_VERTEX_PRIMITIVE + tid;" _CRLF);
// TODO: don't hardcode the instance index
src->add("uint iid = 0;" _CRLF);
// Fetch the input
@ -4145,7 +4144,27 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
}
else if (shader->shaderType == LatteConst::ShaderType::Geometry)
{
src->add("mesh.set_primitive_count(vertexIndex / VERTICES_PER_PRIMITIVE);" _CRLF);
src->add("mesh.set_primitive_count(GET_PRIMITIVE_COUNT(vertexIndex));" _CRLF);
// Set indices
if (shaderContext->contextRegisters[mmVGT_GS_OUT_PRIM_TYPE] == 1) // Line strip
{
src->add("for (uint8_t i = 0; i < GET_PRIMITIVE_COUNT(vertexIndex) * 2; i++) {" _CRLF);
src->add("mesh.set_index(i, (i 2 3) + i % 2);" _CRLF);
src->add("}" _CRLF);
}
else if (shaderContext->contextRegisters[mmVGT_GS_OUT_PRIM_TYPE] == 2) // Triangle strip
{
src->add("for (uint8_t i = 0; i < GET_PRIMITIVE_COUNT(vertexIndex) * 3; i++) {" _CRLF);
src->add("mesh.set_index(i, (i / 3) + i % 3);" _CRLF);
src->add("}" _CRLF);
}
else
{
src->add("for (uint8_t i = 0; i < vertexIndex; i++) {" _CRLF);
src->add("mesh.set_index(i, i);" _CRLF);
src->add("}" _CRLF);
}
}
}
else

56
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSLHeader.hpp
View File

@ -1,5 +1,6 @@
#pragma once
#include "Common/precompiled.h"
#include "HW/Latte/Core/LatteConst.h"
namespace LatteDecompiler
{
@ -307,7 +308,7 @@ namespace LatteDecompiler
src->addFmt("int4 passParameterSem{};" _CRLF, f);
src->add("};" _CRLF _CRLF);
src->add("struct ObjectPayload {" _CRLF);
src->add("VertexOut vertexOut[VERTICES_PER_PRIMITIVE];" _CRLF);
src->add("VertexOut vertexOut[VERTICES_PER_VERTEX_PRIMITIVE];" _CRLF);
src->add("};" _CRLF _CRLF);
}
if (decompilerContext->shaderType == LatteConst::ShaderType::Geometry)
@ -329,10 +330,10 @@ namespace LatteDecompiler
}
src->add("};" _CRLF _CRLF);
const uint32 MAX_PRIMITIVE_COUNT = 8;
const uint32 MAX_VERTEX_COUNT = 32;
// Define the mesh shader output type
src->addFmt("using MeshType = mesh<GeometryOut, void, {} * VERTICES_PER_PRIMITIVE, {}, topology::PRIMITIVE_TYPE>;" _CRLF, MAX_PRIMITIVE_COUNT, MAX_PRIMITIVE_COUNT);
src->addFmt("using MeshType = mesh<GeometryOut, void, {}, GET_PRIMITIVE_COUNT({}), topology::MTL_PRIMITIVE_TYPE>;" _CRLF, MAX_VERTEX_COUNT, MAX_VERTEX_COUNT);
}
}
}
@ -343,15 +344,46 @@ namespace LatteDecompiler
if (decompilerContext->options->usesGeometryShader && (decompilerContext->shaderType == LatteConst::ShaderType::Vertex || decompilerContext->shaderType == LatteConst::ShaderType::Geometry))
{
src->add("#if PRIMITIVE_TYPE == point" _CRLF);
src->add("#define VERTICES_PER_PRIMITIVE 1" _CRLF);
src->add("#elif PRIMITIVE_TYPE == line" _CRLF);
src->add("#define VERTICES_PER_PRIMITIVE 2" _CRLF);
src->add("#elif PRIMITIVE_TYPE == triangle" _CRLF);
src->add("#define VERTICES_PER_PRIMITIVE 3" _CRLF);
src->add("#else" _CRLF);
src->add("#error unsupported primitive type" _CRLF);
src->add("#endif" _CRLF);
// TODO: make vsOutPrimType parth of the shader hash
LattePrimitiveMode vsOutPrimType = static_cast<LattePrimitiveMode>(decompilerContext->contextRegisters[mmVGT_PRIMITIVE_TYPE]);
uint32 gsOutPrimType = decompilerContext->contextRegisters[mmVGT_GS_OUT_PRIM_TYPE];
switch (vsOutPrimType)
{
case LattePrimitiveMode::POINTS:
src->add("#define VERTICES_PER_VERTEX_PRIMITIVE 1" _CRLF);
break;
case LattePrimitiveMode::LINES:
src->add("#define VERTICES_PER_VERTEX_PRIMITIVE 2" _CRLF);
break;
case LattePrimitiveMode::TRIANGLES:
src->add("#define VERTICES_PER_VERTEX_PRIMITIVE 3" _CRLF);
break;
default:
cemu_assert_suspicious();
break;
}
if (decompilerContext->shaderType == LatteConst::ShaderType::Geometry)
{
switch (gsOutPrimType)
{
case 0: // Point
src->add("#define MTL_PRIMITIVE_TYPE point" _CRLF);
src->add("#define GET_PRIMITIVE_COUNT(vertexCount) (vertexCount / 1)" _CRLF);
break;
case 1: // Line strip
src->add("#define MTL_PRIMITIVE_TYPE line" _CRLF);
src->add("#define GET_PRIMITIVE_COUNT(vertexCount) (vertexCount - 1)" _CRLF);
break;
case 2: // Triangle strip
src->add("#define MTL_PRIMITIVE_TYPE triangle" _CRLF);
src->add("#define GET_PRIMITIVE_COUNT(vertexCount) (vertexCount - 2)" _CRLF);
break;
default:
cemu_assert_suspicious();
break;
}
}
}
const bool dump_shaders_enabled = ActiveSettings::DumpShadersEnabled();

1
src/Cafe/HW/Latte/Renderer/Metal/MetalPipelineCache.cpp
View File

@ -276,7 +276,6 @@ MTL::RenderPipelineState* MetalPipelineCache::GetMeshPipelineState(const LatteFe
auto mtlMeshShader = static_cast<RendererShaderMtl*>(geometryShader->shader);
auto mtlPixelShader = static_cast<RendererShaderMtl*>(pixelShader->shader);
mtlObjectShader->CompileObjectFunction(lcr, fetchShader, vertexShader, hostIndexType);
mtlMeshShader->CompileMeshFunction(lcr, fetchShader);
mtlPixelShader->CompileFragmentFunction(activeFBO);
// Render pipeline state

2
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
View File

@ -1013,7 +1013,7 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
// Restride
if (geometryShader)
{
// Object shaders don't need restriding, since the attribute are fetched in the shader
// Object shaders don't need restriding, since the attributes are fetched in the shader
buffer = m_memoryManager->GetBufferCache();
offset = m_state.m_vertexBuffers[i].offset;
}

65
src/Cafe/HW/Latte/Renderer/Metal/RendererShaderMtl.cpp
View File

@ -15,9 +15,16 @@ extern std::atomic_int g_compiled_shaders_async;
RendererShaderMtl::RendererShaderMtl(MetalRenderer* mtlRenderer, ShaderType type, uint64 baseHash, uint64 auxHash, bool isGameShader, bool isGfxPackShader, const std::string& mslCode)
: RendererShader(type, baseHash, auxHash, isGameShader, isGfxPackShader), m_mtlr{mtlRenderer}
{
if (type == ShaderType::kGeometry)
{
Compile(mslCode);
}
else
{
// TODO: don't compile just-in-time
m_mslCode = mslCode;
}
// Count shader compilation
g_compiled_shaders_total++;
@ -35,25 +42,6 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
std::string fullCode;
// Primitive type
const LattePrimitiveMode primitiveMode = static_cast<LattePrimitiveMode>(lcr.VGT_PRIMITIVE_TYPE.get_PRIMITIVE_MODE());
fullCode += "#define PRIMITIVE_TYPE ";
switch (primitiveMode)
{
case LattePrimitiveMode::POINTS:
fullCode += "point";
break;
case LattePrimitiveMode::LINES:
fullCode += "line";
break;
case LattePrimitiveMode::TRIANGLES:
fullCode += "triangle";
break;
default:
break;
}
fullCode += "\n";
// Vertex buffers
std::string vertexBufferDefinitions = "#define VERTEX_BUFFER_DEFINITIONS ";
std::string vertexBuffers = "#define VERTEX_BUFFERS ";
@ -83,6 +71,10 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
{
std::optional<LatteConst::VertexFetchType2> fetchType;
uint32 bufferIndex = bufferGroup.attributeBufferIndex;
uint32 bufferBaseRegisterIndex = mmSQ_VTX_ATTRIBUTE_BLOCK_START + bufferIndex * 7;
uint32 bufferStride = (lcr.GetRawView()[bufferBaseRegisterIndex + 2] >> 11) & 0xFFFF;
for (sint32 j = 0; j < bufferGroup.attribCount; ++j)
{
auto& attr = bufferGroup.attrib[j];
@ -149,7 +141,7 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
inputFetchDefinition += "in.ATTRIBUTE_NAME" + std::to_string(semanticId) + " = ";
inputFetchDefinition += "uint4(*(device " + formatName + "*)";
inputFetchDefinition += "(vertexBuffer" + std::to_string(attr.attributeBufferIndex);
inputFetchDefinition += " + vid + " + std::to_string(attr.offset) + ")";
inputFetchDefinition += " + vid * " + std::to_string(bufferStride) + " + " + std::to_string(attr.offset) + ")";
for (uint8 i = 0; i < (4 - componentCount); i++)
inputFetchDefinition += ", 0";
inputFetchDefinition += ");\n";
@ -165,10 +157,6 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
}
}
uint32 bufferIndex = bufferGroup.attributeBufferIndex;
uint32 bufferBaseRegisterIndex = mmSQ_VTX_ATTRIBUTE_BLOCK_START + bufferIndex * 7;
uint32 bufferStride = (lcr.GetRawView()[bufferBaseRegisterIndex + 2] >> 11) & 0xFFFF;
vertexBufferDefinitions += ", device uchar* vertexBuffer" + std::to_string(bufferIndex) + " [[buffer(" + std::to_string(GET_MTL_VERTEX_BUFFER_INDEX(bufferIndex)) + ")]]";
vertexBuffers += ", vertexBuffer" + std::to_string(bufferIndex);
}
@ -183,35 +171,6 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
Compile(fullCode);
}
void RendererShaderMtl::CompileMeshFunction(const LatteContextRegister& lcr, const LatteFetchShader* fetchShader)
{
cemu_assert_debug(m_type == ShaderType::kGeometry);
std::string fullCode;
// Primitive type
const LattePrimitiveMode primitiveMode = static_cast<LattePrimitiveMode>(lcr.VGT_PRIMITIVE_TYPE.get_PRIMITIVE_MODE());
fullCode += "#define PRIMITIVE_TYPE ";
switch (primitiveMode)
{
case LattePrimitiveMode::POINTS:
fullCode += "point";
break;
case LattePrimitiveMode::LINES:
fullCode += "line";
break;
case LattePrimitiveMode::TRIANGLES:
fullCode += "triangle";
break;
default:
break;
}
fullCode += "\n";
fullCode += m_mslCode;
Compile(fullCode);
}
void RendererShaderMtl::CompileFragmentFunction(CachedFBOMtl* activeFBO)
{
cemu_assert_debug(m_type == ShaderType::kFragment);

1
src/Cafe/HW/Latte/Renderer/Metal/RendererShaderMtl.h
View File

@ -27,7 +27,6 @@ public:
}
void CompileObjectFunction(const LatteContextRegister& lcr, const LatteFetchShader* fetchShader, const LatteDecompilerShader* vertexShader, Renderer::INDEX_TYPE hostIndexType);
void CompileMeshFunction(const LatteContextRegister& lcr, const LatteFetchShader* fetchShader);
void CompileFragmentFunction(CachedFBOMtl* activeFBO);
MTL::Function* GetFunction() const