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Implement extended swizzling.

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This commit is contained in:
Zack Rusin
2007-10-22 14:01:52 -04:00
parent 743e96eec5
commit 1248b9776b
3 changed files with 50 additions and 6 deletions
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src/mesa/pipe/llvm/llvmtgsi.cpp
+24 -5
View File
@@ -162,10 +162,26 @@ translate_instruction(llvm::Module *module,
src->SrcRegisterExtSwz.ExtSwizzleY != TGSI_EXTSWIZZLE_Y ||
src->SrcRegisterExtSwz.ExtSwizzleZ != TGSI_EXTSWIZZLE_Z ||
src->SrcRegisterExtSwz.ExtSwizzleW != TGSI_EXTSWIZZLE_W) {
int swizzle = src->SrcRegisterExtSwz.ExtSwizzleX * 1000;
swizzle += src->SrcRegisterExtSwz.ExtSwizzleY * 100;
swizzle += src->SrcRegisterExtSwz.ExtSwizzleZ * 10;
swizzle += src->SrcRegisterExtSwz.ExtSwizzleW * 1;
int swizzle = 0;
if (src->SrcRegisterExtSwz.ExtSwizzleX != TGSI_EXTSWIZZLE_X)
swizzle = src->SrcRegisterExtSwz.ExtSwizzleX * 1000;
else
swizzle = src->SrcRegister.SwizzleX * 1000;
if (src->SrcRegisterExtSwz.ExtSwizzleY != TGSI_EXTSWIZZLE_Y)
swizzle += src->SrcRegisterExtSwz.ExtSwizzleY * 100;
else
swizzle += src->SrcRegister.SwizzleY * 100;
if (src->SrcRegisterExtSwz.ExtSwizzleZ != TGSI_EXTSWIZZLE_Z)
swizzle += src->SrcRegisterExtSwz.ExtSwizzleZ * 10;
else
swizzle += src->SrcRegister.SwizzleZ * 10;
if (src->SrcRegisterExtSwz.ExtSwizzleW != TGSI_EXTSWIZZLE_W)
swizzle += src->SrcRegisterExtSwz.ExtSwizzleW * 1;
else
swizzle += src->SrcRegister.SwizzleW * 1;
/*fprintf(stderr, "EXT XXXXXXXX swizzle x = %d\n", swizzle);*/
val = storage->shuffleVector(val, swizzle);
}
} else if (src->SrcRegister.SwizzleX != TGSI_SWIZZLE_X ||
@@ -176,13 +192,16 @@ translate_instruction(llvm::Module *module,
swizzle += src->SrcRegister.SwizzleY * 100;
swizzle += src->SrcRegister.SwizzleZ * 10;
swizzle += src->SrcRegister.SwizzleW * 1;
/*fprintf(stderr, "XXXXXXXX swizzle = %d\n", swizzle);*/
val = storage->shuffleVector(val, swizzle);
}
inputs[i] = val;
}
/*if (inputs[0])
instr->printVector(inputs[0]);*/
instr->printVector(inputs[0]);
if (inputs[1])
instr->printVector(inputs[1]);*/
llvm::Value *out = 0;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_ARL:
src/mesa/pipe/llvm/storage.cpp
+24 -1
View File
@@ -25,6 +25,7 @@ Storage::Storage(llvm::BasicBlock *block, llvm::Value *out,
m_undefFloatVec = UndefValue::get(m_floatVecType);
m_undefIntVec = UndefValue::get(m_intVecType);
m_extSwizzleVec = 0;
m_numConsts = 0;
}
@@ -32,6 +33,27 @@ Storage::Storage(llvm::BasicBlock *block, llvm::Value *out,
//can only build vectors with all members in the [0, 9] range
llvm::Constant *Storage::shuffleMask(int vec)
{
if (!m_extSwizzleVec) {
Constant *const_vec = Constant::getNullValue(m_floatVecType);
InsertElementInst *res = new InsertElementInst(const_vec,
ConstantFP::get(Type::FloatTy, APFloat(0.f)),
unsigned(0),
name("extswx"), m_block);
res = new InsertElementInst(res, ConstantFP::get(Type::FloatTy, APFloat(1.f)),
unsigned(1),
name("extswy"),
m_block);
res = new InsertElementInst(res, ConstantFP::get(Type::FloatTy, APFloat(0.f)),
unsigned(2),
name("extswz"),
m_block);
res = new InsertElementInst(res, ConstantFP::get(Type::FloatTy, APFloat(1.f)),
unsigned(3),
name("extsww"),
m_block);
m_extSwizzleVec = res;
}
if (m_intVecs.find(vec) != m_intVecs.end()) {
return m_intVecs[vec];
}
@@ -79,6 +101,7 @@ llvm::Value *Storage::inputElement(int idx)
false, m_block);
load->setAlignment(8);
m_inputs[idx] = load;
return load;
}
@@ -103,7 +126,7 @@ llvm::Value *Storage::shuffleVector(llvm::Value *vec, int shuffle)
{
Constant *mask = shuffleMask(shuffle);
ShuffleVectorInst *res =
new ShuffleVectorInst(vec, m_undefFloatVec, mask,
new ShuffleVectorInst(vec, m_extSwizzleVec, mask,
name("shuffle"), m_block);
return res;
}
src/mesa/pipe/llvm/storage.h
+2
View File
@@ -57,6 +57,8 @@ private:
llvm::Value *m_undefFloatVec;
llvm::Value *m_undefIntVec;
llvm::Value *m_extSwizzleVec;
char m_name[32];
int m_idx;