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support instancing for mesh shaders

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This commit is contained in:
Samuliak 2024-09-11 12:22:45 +02:00
parent 395cd1cd11
commit 950f04d444
5 changed files with 15 additions and 6 deletions
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8
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
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@ -3920,8 +3920,8 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
// Index buffer
inputFetchDefinition += "if (indexType == 1) // UShort\n";
inputFetchDefinition += "vid = ((device ushort*)indexBuffer)[vid];\n";
inputFetchDefinition += "else if (indexType == 2)\n";
inputFetchDefinition += "vid = ((device uint*)indexBuffer)[vid]; // UInt\n";
inputFetchDefinition += "else if (indexType == 2) // UInt\n";
inputFetchDefinition += "vid = ((device uint*)indexBuffer)[vid];\n";
inputFetchDefinition += "VertexIn in;\n";
for (auto& bufferGroup : shaderContext->fetchShader->bufferGroups)
@ -4060,8 +4060,8 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
{
// Calculate the imaginary vertex id
src->add("uint vid = tig * VERTICES_PER_VERTEX_PRIMITIVE + tid;" _CRLF);
// TODO: don't hardcode the instance index
src->add("uint iid = 0;" _CRLF);
src->add("uint iid = vid / verticesPerInstance;" _CRLF);
src->add("vid %= verticesPerInstance;" _CRLF);
// Fetch the input
src->add("VertexIn in = fetchVertex(vid, indexBuffer, indexType VERTEX_BUFFERS);" _CRLF);
// Output is defined as object payload