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-rw-r--r--src/gallium/auxiliary/gallivm/storagesoa.cpp97
1 files changed, 71 insertions, 26 deletions
diff --git a/src/gallium/auxiliary/gallivm/storagesoa.cpp b/src/gallium/auxiliary/gallivm/storagesoa.cpp
index 78d754371f..e1e5cabcf5 100644
--- a/src/gallium/auxiliary/gallivm/storagesoa.cpp
+++ b/src/gallium/auxiliary/gallivm/storagesoa.cpp
@@ -48,13 +48,11 @@ using namespace llvm;
StorageSoa::StorageSoa(llvm::BasicBlock *block,
llvm::Value *input,
llvm::Value *output,
- llvm::Value *consts,
- llvm::Value *temps)
+ llvm::Value *consts)
: m_block(block),
m_input(input),
m_output(output),
m_consts(consts),
- m_temps(temps),
m_immediates(0),
m_idx(0)
{
@@ -93,7 +91,7 @@ void StorageSoa::declareImmediates()
std::vector<float> vals(4);
std::vector<Constant*> channelArray;
- vals[0] = vec[0]; vals[1] = vec[0]; vals[2] = vec[0]; vals[3] = vec[0];
+ vals[0] = vec[0]; vals[1] = vec[1]; vals[2] = vec[2]; vals[3] = vec[3];
llvm::Constant *xChannel = createConstGlobalVector(vals);
vals[0] = vec[1]; vals[1] = vec[1]; vals[2] = vec[1]; vals[3] = vec[1];
@@ -144,22 +142,43 @@ std::vector<llvm::Value*> StorageSoa::inputElement(llvm::Value *idx)
return res;
}
-std::vector<llvm::Value*> StorageSoa::constElement(llvm::Value *idx)
+llvm::Value* StorageSoa::unpackConstElement(llvm::IRBuilder<>* m_builder, llvm::Value* vector, int cc)
{
- std::vector<llvm::Value*> res(4);
- llvm::Value *xChannel, *yChannel, *zChannel, *wChannel;
+ std::vector<llvm::Value*> x(4);
+ x[0] = m_builder->CreateExtractElement(vector,
+ constantInt(cc),
+ name("x"));
+
+ VectorType *vectorType = VectorType::get(Type::FloatTy, 4);
+ Constant *constVector = Constant::getNullValue(vectorType);
+ Value *res = m_builder->CreateInsertElement(constVector, x[0],
+ constantInt(0),
+ name("vecx"));
+ res = m_builder->CreateInsertElement(res, x[0], constantInt(1),
+ name("vecxx"));
+ res = m_builder->CreateInsertElement(res, x[0], constantInt(2),
+ name("vecxxx"));
+ res = m_builder->CreateInsertElement(res, x[0], constantInt(3),
+ name("vecxxxx"));
+ return res;
+}
+
+std::vector<llvm::Value*> StorageSoa::constElement(llvm::IRBuilder<>* m_builder, llvm::Value *idx)
+{
+ llvm::Value* res;
+ std::vector<llvm::Value*> res2(4);
+ llvm::Value *xChannel;
xChannel = elementPointer(m_consts, idx, 0);
- yChannel = elementPointer(m_consts, idx, 1);
- zChannel = elementPointer(m_consts, idx, 2);
- wChannel = elementPointer(m_consts, idx, 3);
- res[0] = alignedArrayLoad(xChannel);
- res[1] = alignedArrayLoad(yChannel);
- res[2] = alignedArrayLoad(zChannel);
- res[3] = alignedArrayLoad(wChannel);
+ res = alignedArrayLoad(xChannel);
- return res;
+ res2[0]=unpackConstElement(m_builder, res,0);
+ res2[1]=unpackConstElement(m_builder, res,1);
+ res2[2]=unpackConstElement(m_builder, res,2);
+ res2[3]=unpackConstElement(m_builder, res,3);
+
+ return res2;
}
std::vector<llvm::Value*> StorageSoa::outputElement(llvm::Value *idx)
@@ -174,14 +193,15 @@ std::vector<llvm::Value*> StorageSoa::outputElement(llvm::Value *idx)
return res;
}
-std::vector<llvm::Value*> StorageSoa::tempElement(llvm::Value *idx)
+std::vector<llvm::Value*> StorageSoa::tempElement(llvm::IRBuilder<>* m_builder, int idx)
{
std::vector<llvm::Value*> res(4);
+ llvm::Value *temp = m_temps[idx];
- res[0] = element(m_temps, idx, 0);
- res[1] = element(m_temps, idx, 1);
- res[2] = element(m_temps, idx, 2);
- res[3] = element(m_temps, idx, 3);
+ res[0] = element(temp, constantInt(0), 0);
+ res[1] = element(temp, constantInt(0), 1);
+ res[2] = element(temp, constantInt(0), 2);
+ res[3] = element(temp, constantInt(0), 3);
return res;
}
@@ -260,6 +280,12 @@ llvm::Module * StorageSoa::currentModule() const
return m_block->getParent()->getParent();
}
+llvm::Constant * StorageSoa::createConstGlobalFloat(const float val)
+{
+ Constant*c = ConstantFP::get(APFloat(val));
+ return c;
+}
+
llvm::Constant * StorageSoa::createConstGlobalVector(const std::vector<float> &vec)
{
VectorType *vectorType = VectorType::get(Type::FloatTy, 4);
@@ -278,7 +304,7 @@ llvm::Constant * StorageSoa::createConstGlobalVector(const std::vector<float> &v
}
std::vector<llvm::Value*> StorageSoa::load(enum tgsi_file_type type, int idx, int swizzle,
- llvm::Value *indIdx)
+ llvm::IRBuilder<>* m_builder,llvm::Value *indIdx)
{
std::vector<llvm::Value*> val(4);
@@ -299,10 +325,10 @@ std::vector<llvm::Value*> StorageSoa::load(enum tgsi_file_type type, int idx, in
val = outputElement(realIndex);
break;
case TGSI_FILE_TEMPORARY:
- val = tempElement(realIndex);
+ val = tempElement(m_builder, idx);
break;
case TGSI_FILE_CONSTANT:
- val = constElement(realIndex);
+ val = constElement(m_builder, realIndex);
break;
case TGSI_FILE_IMMEDIATE:
val = immediateElement(realIndex);
@@ -328,19 +354,39 @@ std::vector<llvm::Value*> StorageSoa::load(enum tgsi_file_type type, int idx, in
return res;
}
+llvm::Value * StorageSoa::allocaTemp(llvm::IRBuilder<>* m_builder)
+{
+ VectorType *vector = VectorType::get(Type::FloatTy, 4);
+ ArrayType *vecArray = ArrayType::get(vector, 4);
+ AllocaInst *alloca = new AllocaInst(vecArray, "temp",
+ m_builder->GetInsertBlock());
+
+ return alloca;
+}
+
+
void StorageSoa::store(enum tgsi_file_type type, int idx, const std::vector<llvm::Value*> &val,
- int mask)
+ int mask, llvm::IRBuilder<>* m_builder)
{
llvm::Value *out = 0;
+ llvm::Value *realIndex = 0;
switch(type) {
case TGSI_FILE_OUTPUT:
out = m_output;
+ realIndex = constantInt(idx);
break;
case TGSI_FILE_TEMPORARY:
- out = m_temps;
+ // if that temp doesn't already exist, alloca it
+ if (m_temps.find(idx) == m_temps.end())
+ m_temps[idx] = allocaTemp(m_builder);
+
+ out = m_temps[idx];
+
+ realIndex = constantInt(0);
break;
case TGSI_FILE_INPUT:
out = m_input;
+ realIndex = constantInt(idx);
break;
case TGSI_FILE_ADDRESS: {
llvm::Value *addr = m_addresses[idx];
@@ -358,7 +404,6 @@ void StorageSoa::store(enum tgsi_file_type type, int idx, const std::vector<llvm
assert(0);
break;
}
- llvm::Value *realIndex = constantInt(idx);
if ((mask & TGSI_WRITEMASK_X)) {
llvm::Value *xChannel = elementPointer(out, realIndex, 0);
new StoreInst(val[0], xChannel, false, m_block);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-26 10:34:11 +0000