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swr/rast: Add Builder::GetVectorType()

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Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
George Kyriazis 2018-05-01 16:33:19 -05:00
parent 8cb55dae2e
commit 8238c791dc
2 changed files with 45 additions and 0 deletions
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44
src/gallium/drivers/swr/rasterizer/jitter/builder.cpp
View file

@ -170,4 +170,48 @@ namespace SwrJit
return (pGenIntrin->getMetadata("is_evaluate") != nullptr);
}
//////////////////////////////////////////////////////////////////////////
/// @brief Packetizes the type. Assumes SOA conversion.
Type* Builder::GetVectorType(Type* pType)
{
if (pType->isVectorTy())
{
return pType;
}
// [N x float] should packetize to [N x <8 x float>]
if (pType->isArrayTy())
{
uint32_t arraySize = pType->getArrayNumElements();
Type* pArrayType = pType->getArrayElementType();
Type* pVecArrayType = GetVectorType(pArrayType);
Type* pVecType = ArrayType::get(pVecArrayType, arraySize);
return pVecType;
}
// {float,int} should packetize to {<8 x float>, <8 x int>}
if (pType->isAggregateType())
{
uint32_t numElems = pType->getStructNumElements();
SmallVector<Type*, 8> vecTypes;
for (uint32_t i = 0; i < numElems; ++i)
{
Type* pElemType = pType->getStructElementType(i);
Type* pVecElemType = GetVectorType(pElemType);
vecTypes.push_back(pVecElemType);
}
Type* pVecType = StructType::get(JM()->mContext, vecTypes);
return pVecType;
}
// [N x float]* should packetize to [N x <8 x float>]*
if (pType->isPointerTy() && pType->getPointerElementType()->isArrayTy())
{
return PointerType::get(GetVectorType(pType->getPointerElementType()), pType->getPointerAddressSpace());
}
// <ty> should packetize to <8 x <ty>>
Type* vecType = VectorType::get(pType, JM()->mVWidth);
return vecType;
}
}

1
src/gallium/drivers/swr/rasterizer/jitter/builder.h
View file

@ -123,6 +123,7 @@ namespace SwrJit
bool IsTempAlloca(Value* inst);
bool SetTexelMaskEvaluate(Instruction* inst);
bool IsTexelMaskEvaluate(Instruction* inst);
Type* GetVectorType(Type* pType);
#include "gen_builder.hpp"
#include "gen_builder_meta.hpp"