#ifndef _RRGENERICVECTOR_HPP
|
#define _RRGENERICVECTOR_HPP
|
/*-------------------------------------------------------------------------
|
* drawElements Quality Program Reference Renderer
|
* -----------------------------------------------
|
*
|
* Copyright 2014 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
*//*!
|
* \file
|
* \brief Generic vetor
|
*//*--------------------------------------------------------------------*/
|
|
#include "rrDefs.hpp"
|
#include "tcuVector.hpp"
|
|
namespace rr
|
{
|
|
enum GenericVecType
|
{
|
GENERICVECTYPE_FLOAT = 0,
|
GENERICVECTYPE_UINT32,
|
GENERICVECTYPE_INT32,
|
|
GENERICVECTYPE_LAST
|
};
|
|
/*--------------------------------------------------------------------*//*!
|
* \brief Generic vertex attrib
|
*
|
* Generic vertex attributes hold 4 32-bit scalar values that can be accessed
|
* as floating-point or integer values.
|
*
|
* Aliasing rules must be adhered when accessing data (ie. writing as float
|
* and reading as int has undefined result).
|
*//*--------------------------------------------------------------------*/
|
class GenericVec4
|
{
|
private:
|
union
|
{
|
deUint32 uData[4];
|
deInt32 iData[4];
|
float fData[4];
|
} v;
|
|
public:
|
inline GenericVec4 (void)
|
{
|
v.iData[0] = 0;
|
v.iData[1] = 0;
|
v.iData[2] = 0;
|
v.iData[3] = 0;
|
}
|
|
template<typename ScalarType>
|
explicit GenericVec4 (const tcu::Vector<ScalarType, 4>& value)
|
{
|
*this = value;
|
}
|
|
GenericVec4& operator= (const GenericVec4& value)
|
{
|
v.iData[0] = value.v.iData[0];
|
v.iData[1] = value.v.iData[1];
|
v.iData[2] = value.v.iData[2];
|
v.iData[3] = value.v.iData[3];
|
return *this;
|
}
|
|
template<typename ScalarType>
|
GenericVec4& operator= (const tcu::Vector<ScalarType, 4>& value)
|
{
|
getAccess<ScalarType>()[0] = value[0];
|
getAccess<ScalarType>()[1] = value[1];
|
getAccess<ScalarType>()[2] = value[2];
|
getAccess<ScalarType>()[3] = value[3];
|
return *this;
|
}
|
|
template<typename ScalarType>
|
inline tcu::Vector<ScalarType, 4> get (void) const
|
{
|
return tcu::Vector<ScalarType, 4>(
|
getAccess<ScalarType>()[0],
|
getAccess<ScalarType>()[1],
|
getAccess<ScalarType>()[2],
|
getAccess<ScalarType>()[3]);
|
}
|
|
template<typename ScalarType>
|
inline ScalarType* getAccess ();
|
|
template<typename ScalarType>
|
inline const ScalarType* getAccess () const;
|
} DE_WARN_UNUSED_TYPE;
|
|
template<>
|
inline float* GenericVec4::getAccess<float> ()
|
{
|
return v.fData;
|
}
|
|
template<>
|
inline const float* GenericVec4::getAccess<float> () const
|
{
|
return v.fData;
|
}
|
|
template<>
|
inline deUint32* GenericVec4::getAccess<deUint32> ()
|
{
|
return v.uData;
|
}
|
|
template<>
|
inline const deUint32* GenericVec4::getAccess<deUint32> () const
|
{
|
return v.uData;
|
}
|
|
template<>
|
inline deInt32* GenericVec4::getAccess<deInt32> ()
|
{
|
return v.iData;
|
}
|
|
template<>
|
inline const deInt32* GenericVec4::getAccess<deInt32> () const
|
{
|
return v.iData;
|
}
|
|
} // rr
|
|
#endif // _RRGENERICVECTOR_HPP
|
