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