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Implement cross product and abs opcode

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This commit is contained in:
Zack Rusin 2007-10-23 07:11:39 -04:00
parent 1248b9776b
commit ba823b3ded
3 changed files with 65 additions and 2 deletions
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57
src/mesa/pipe/llvm/instructions.cpp
View file

@ -657,6 +657,61 @@ llvm::Value * Instructions::slt(llvm::Value *in1, llvm::Value *in2)
return vectorFromVals(x, y, z, w);
}
llvm::Value * Instructions::cross(llvm::Value *in1, llvm::Value *in2)
{
ExtractElementInst *x1 = new ExtractElementInst(in1, unsigned(0),
name("x1"),
m_block);
ExtractElementInst *y1 = new ExtractElementInst(in1, unsigned(1),
name("y1"),
m_block);
ExtractElementInst *z1 = new ExtractElementInst(in1, unsigned(2),
name("z1"),
m_block);
ExtractElementInst *x2 = new ExtractElementInst(in2, unsigned(0),
name("x2"),
m_block);
ExtractElementInst *y2 = new ExtractElementInst(in2, unsigned(1),
name("y2"),
m_block);
ExtractElementInst *z2 = new ExtractElementInst(in2, unsigned(2),
name("z2"),
m_block);
Value *y1z2 = mul(y1, z2);
Value *z1y2 = mul(z1, y2);
Value *z1x2 = mul(z1, x2);
Value *x1z2 = mul(x1, z2);
Value *x1y2 = mul(x1, y2);
Value *y1x2 = mul(y1, x2);
return vectorFromVals(sub(y1z2, z1y2), sub(z1x2, x1z2), sub(x1y2, y1x2));
}
llvm::Value * Instructions::abs(llvm::Value *in)
{
ExtractElementInst *x = new ExtractElementInst(in, unsigned(0),
name("extractx"),
m_block);
ExtractElementInst *y = new ExtractElementInst(in, unsigned(1),
name("extracty"),
m_block);
ExtractElementInst *z = new ExtractElementInst(in, unsigned(2),
name("extractz"),
m_block);
ExtractElementInst *w = new ExtractElementInst(in, unsigned(3),
name("extractw"),
m_block);
Value *xabs = callFAbs(x);
Value *yabs = callFAbs(y);
Value *zabs = callFAbs(z);
Value *wabs = callFAbs(w);
return vectorFromVals(xabs, yabs, zabs, wabs);
}
/*
typedef __attribute__(( ocu_vector_type(4) )) float float4;
@ -832,3 +887,5 @@ Constant* const_packed_14 = ConstantVector::get(VectorTy_2, const_packed_14_elem
return func_lit;
}

2
src/mesa/pipe/llvm/instructions.h
View file

@ -15,7 +15,9 @@ class Instructions
public:
Instructions(llvm::Module *mod, llvm::Function *func, llvm::BasicBlock *block);
llvm::Value *abs(llvm::Value *in1);
llvm::Value *add(llvm::Value *in1, llvm::Value *in2);
llvm::Value *cross(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dp3(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dp4(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dph(llvm::Value *in1, llvm::Value *in2);

8
src/mesa/pipe/llvm/llvmtgsi.cpp
View file

@ -306,11 +306,15 @@ translate_instruction(llvm::Module *module,
out = instr->pow(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_CROSSPRODUCT:
case TGSI_OPCODE_CROSSPRODUCT: {
out = instr->cross(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_MULTIPLYMATRIX:
break;
case TGSI_OPCODE_ABS:
case TGSI_OPCODE_ABS: {
out = instr->abs(inputs[0]);
}
break;
case TGSI_OPCODE_RCC:
break;