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support line strip as vertex output with geometry shaders

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Samuliak 2025-01-28 19:23:47 +01:00
parent 1fb9cfd783
commit 3fececc3ba
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4 changed files with 48 additions and 41 deletions
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6
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
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@ -4140,7 +4140,11 @@ void LatteDecompiler_emitMSLShader(LatteDecompilerShaderContext* shaderContext,
if (usesGeometryShader)
{
// Calculate the imaginary vertex id
src->add("uint vid = tig * VERTICES_PER_VERTEX_PRIMITIVE + tid;" _CRLF);
LattePrimitiveMode vsOutPrimType = shaderContext->contextRegistersNew->VGT_PRIMITIVE_TYPE.get_PRIMITIVE_MODE();
if (PrimitiveRequiresConnection(vsOutPrimType))
src->add("uint vid = tig + tid;" _CRLF);
else
src->add("uint vid = tig * VERTICES_PER_VERTEX_PRIMITIVE + tid;" _CRLF);
src->add("uint iid = vid / supportBuffer.verticesPerInstance;" _CRLF);
src->add("vid %= supportBuffer.verticesPerInstance;" _CRLF);