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draw with geometry shaders

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This commit is contained in:
Samuliak 2024-08-20 20:14:02 +02:00
parent 2f4ceb33e0
commit 97f441ecf1
7 changed files with 332 additions and 304 deletions
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27
src/Cafe/HW/Latte/Renderer/Metal/RendererShaderMtl.cpp
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@ -58,7 +58,6 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
std::string vertexBufferDefinitions = "#define VERTEX_BUFFER_DEFINITIONS ";
std::string vertexBuffers = "#define VERTEX_BUFFERS ";
std::string inputFetchDefinition = "VertexIn fetchInput(thread uint& vid VERTEX_BUFFER_DEFINITIONS) {\n";
inputFetchDefinition += "VertexIn in;\n";
if (hostIndexType != Renderer::INDEX_TYPE::NONE)
{
vertexBufferDefinitions += ", device ";
@ -77,8 +76,9 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
// TODO: don't hardcode the index
vertexBufferDefinitions += "* indexBuffer [[buffer(20)]]";
vertexBuffers += ", indexBuffer";
inputFetchDefinition += "vid = indexBuffer[vid]\n";
inputFetchDefinition += "vid = indexBuffer[vid];\n";
}
inputFetchDefinition += "VertexIn in;\n";
for (auto& bufferGroup : fetchShader->bufferGroups)
{
std::optional<LatteConst::VertexFetchType2> fetchType;
@ -92,51 +92,67 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
continue; // attribute not used?
std::string formatName;
uint8 componentCount = 0;
switch (GetMtlVertexFormat(attr.format))
{
case MTL::VertexFormatUChar:
formatName = "uchar";
componentCount = 1;
break;
case MTL::VertexFormatUChar2:
formatName = "uchar2";
componentCount = 2;
break;
case MTL::VertexFormatUChar3:
formatName = "uchar3";
componentCount = 3;
break;
case MTL::VertexFormatUChar4:
formatName = "uchar4";
componentCount = 4;
break;
case MTL::VertexFormatUShort:
formatName = "ushort";
componentCount = 1;
break;
case MTL::VertexFormatUShort2:
formatName = "ushort2";
componentCount = 2;
break;
case MTL::VertexFormatUShort3:
formatName = "ushort3";
componentCount = 3;
break;
case MTL::VertexFormatUShort4:
formatName = "ushort4";
componentCount = 4;
break;
case MTL::VertexFormatUInt:
formatName = "uint";
componentCount = 1;
break;
case MTL::VertexFormatUInt2:
formatName = "uint2";
componentCount = 2;
break;
case MTL::VertexFormatUInt3:
formatName = "uint3";
componentCount = 3;
break;
case MTL::VertexFormatUInt4:
formatName = "uint4";
componentCount = 4;
break;
}
// Fetch the attribute
inputFetchDefinition += "in.ATTRIBUTE_NAME" + std::to_string(semanticId) + " = ";
inputFetchDefinition += "*(device " + formatName + "*)";
inputFetchDefinition += "uint4(*(device " + formatName + "*)";
inputFetchDefinition += "(vertexBuffer" + std::to_string(attr.attributeBufferIndex);
inputFetchDefinition += " + vid + " + std::to_string(attr.offset) + ");\n";
inputFetchDefinition += " + vid + " + std::to_string(attr.offset) + ")";
for (uint8 i = 0; i < (4 - componentCount); i++)
inputFetchDefinition += ", 0";
inputFetchDefinition += ");\n";
if (fetchType.has_value())
cemu_assert_debug(fetchType == attr.fetchType);
@ -153,7 +169,8 @@ void RendererShaderMtl::CompileObjectFunction(const LatteContextRegister& lcr, c
uint32 bufferBaseRegisterIndex = mmSQ_VTX_ATTRIBUTE_BLOCK_START + bufferIndex * 7;
uint32 bufferStride = (lcr.GetRawView()[bufferBaseRegisterIndex + 2] >> 11) & 0xFFFF;
fullCode += ", device uchar* vertexBuffer" + std::to_string(bufferIndex) + " [[buffer(" + std::to_string(GET_MTL_VERTEX_BUFFER_INDEX(bufferIndex)) + ")]]";
vertexBufferDefinitions += ", device uchar* vertexBuffer" + std::to_string(bufferIndex) + " [[buffer(" + std::to_string(GET_MTL_VERTEX_BUFFER_INDEX(bufferIndex)) + ")]]";
vertexBuffers += ", vertexBuffer" + std::to_string(bufferIndex);
}
inputFetchDefinition += "return in;\n";
inputFetchDefinition += "}\n";