gzdoom-gles/tools/drawergen/ssa/ssa_vec4f.h
2017-01-09 11:25:21 +01:00

71 lines
2.6 KiB
C++

/*
** SSA vec4 float
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
namespace llvm { class Value; }
namespace llvm { class Type; }
class SSAVec4i;
class SSAFloat;
class SSAInt;
class SSAVec4f
{
public:
SSAVec4f();
explicit SSAVec4f(float constant);
explicit SSAVec4f(float constant0, float constant1, float constant2, float constant3);
SSAVec4f(SSAFloat f);
SSAVec4f(SSAFloat f0, SSAFloat f1, SSAFloat f2, SSAFloat f3);
explicit SSAVec4f(llvm::Value *v);
SSAVec4f(SSAVec4i i32);
SSAFloat operator[](SSAInt index) const;
SSAFloat operator[](int index) const;
static SSAVec4f insert_element(SSAVec4f vec4f, SSAFloat value, int index);
static SSAVec4f bitcast(SSAVec4i i32);
static void transpose(SSAVec4f &row0, SSAVec4f &row1, SSAVec4f &row2, SSAVec4f &row3);
static SSAVec4f shuffle(const SSAVec4f &f0, int index0, int index1, int index2, int index3);
static SSAVec4f shuffle(const SSAVec4f &f0, const SSAVec4f &f1, int index0, int index1, int index2, int index3);
static SSAVec4f from_llvm(llvm::Value *v) { return SSAVec4f(v); }
static llvm::Type *llvm_type();
llvm::Value *v;
private:
static SSAVec4f shuffle(const SSAVec4f &f0, const SSAVec4f &f1, int mask);
};
SSAVec4f operator+(const SSAVec4f &a, const SSAVec4f &b);
SSAVec4f operator-(const SSAVec4f &a, const SSAVec4f &b);
SSAVec4f operator*(const SSAVec4f &a, const SSAVec4f &b);
SSAVec4f operator/(const SSAVec4f &a, const SSAVec4f &b);
SSAVec4f operator+(float a, const SSAVec4f &b);
SSAVec4f operator-(float a, const SSAVec4f &b);
SSAVec4f operator*(float a, const SSAVec4f &b);
SSAVec4f operator/(float a, const SSAVec4f &b);
SSAVec4f operator+(const SSAVec4f &a, float b);
SSAVec4f operator-(const SSAVec4f &a, float b);
SSAVec4f operator*(const SSAVec4f &a, float b);
SSAVec4f operator/(const SSAVec4f &a, float b);