1#ifndef _TCUTEXVERIFIERUTIL_HPP 2#define _TCUTEXVERIFIERUTIL_HPP 3/*------------------------------------------------------------------------- 4 * drawElements Quality Program Tester Core 5 * ---------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Internal utilities shared between TexLookup and TexCompare verifiers. 24 *//*--------------------------------------------------------------------*/ 25 26#include "tcuDefs.hpp" 27#include "tcuTexture.hpp" 28 29namespace tcu 30{ 31namespace TexVerifierUtil 32{ 33 34// Error bound utilities 35 36float computeFloatingPointError (const float value, const int numAccurateBits); 37float computeFixedPointError (const int numAccurateBits); 38 39template<int Size> 40inline Vector<float, Size> computeFloatingPointError (const Vector<float, Size>& value, const Vector<deInt32, Size>& numAccurateBits) 41{ 42 Vector<float, Size> res; 43 for (int ndx = 0; ndx < Size; ndx++) 44 res[ndx] = computeFloatingPointError(value[ndx], numAccurateBits[ndx]); 45 return res; 46} 47 48template<int Size> 49inline Vector<float, Size> computeFixedPointError (const Vector<deInt32, Size>& numAccurateBits) 50{ 51 Vector<float, Size> res; 52 for (int ndx = 0; ndx < Size; ndx++) 53 res[ndx] = computeFixedPointError(numAccurateBits[ndx]); 54 return res; 55} 56 57// Sampler introspection 58 59inline bool isNearestMipmapFilter (const Sampler::FilterMode mode) 60{ 61 return mode == Sampler::NEAREST_MIPMAP_NEAREST || mode == Sampler::LINEAR_MIPMAP_NEAREST; 62} 63 64inline bool isLinearMipmapFilter (const Sampler::FilterMode mode) 65{ 66 return mode == Sampler::NEAREST_MIPMAP_LINEAR || mode == Sampler::LINEAR_MIPMAP_LINEAR; 67} 68 69inline bool isMipmapFilter (const Sampler::FilterMode mode) 70{ 71 return isNearestMipmapFilter(mode) || isLinearMipmapFilter(mode); 72} 73 74inline bool isLinearFilter (const Sampler::FilterMode mode) 75{ 76 return mode == Sampler::LINEAR || mode == Sampler::LINEAR_MIPMAP_NEAREST || mode == Sampler::LINEAR_MIPMAP_LINEAR; 77} 78 79inline bool isNearestFilter (const Sampler::FilterMode mode) 80{ 81 return !isLinearFilter(mode); 82} 83 84inline Sampler::FilterMode getLevelFilter (const Sampler::FilterMode mode) 85{ 86 return isLinearFilter(mode) ? Sampler::LINEAR : Sampler::NEAREST; 87} 88 89inline bool isWrapModeSupported (const Sampler::WrapMode mode) 90{ 91 return mode != Sampler::MIRRORED_REPEAT_CL && mode != Sampler::REPEAT_CL; 92} 93 94// Misc utilities 95 96Vec2 computeNonNormalizedCoordBounds (const bool normalizedCoords, const int dim, const float coord, const int coordBits, const int uvBits); 97void getPossibleCubeFaces (const Vec3& coord, const IVec3& bits, CubeFace* faces, int& numFaces); 98 99Sampler getUnnormalizedCoordSampler (const Sampler& sampler); 100int wrap (Sampler::WrapMode mode, int c, int size); 101 102} // TexVerifierUtil 103} // tcu 104 105#endif // _TCUTEXVERIFIERUTIL_HPP 106