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 29 namespace tcu 30 { 31 namespace TexVerifierUtil 32 { 33 34 // Error bound utilities 35 36 float computeFloatingPointError (const float value, const int numAccurateBits); 37 float computeFixedPointError (const int numAccurateBits); 38 39 template<int Size> 40 inline 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 48 template<int Size> 49 inline 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 59 inline bool isNearestMipmapFilter (const Sampler::FilterMode mode) 60 { 61 return mode == Sampler::NEAREST_MIPMAP_NEAREST || mode == Sampler::LINEAR_MIPMAP_NEAREST; 62 } 63 64 inline bool isLinearMipmapFilter (const Sampler::FilterMode mode) 65 { 66 return mode == Sampler::NEAREST_MIPMAP_LINEAR || mode == Sampler::LINEAR_MIPMAP_LINEAR; 67 } 68 69 inline bool isMipmapFilter (const Sampler::FilterMode mode) 70 { 71 return isNearestMipmapFilter(mode) || isLinearMipmapFilter(mode); 72 } 73 74 inline bool isLinearFilter (const Sampler::FilterMode mode) 75 { 76 return mode == Sampler::LINEAR || mode == Sampler::LINEAR_MIPMAP_NEAREST || mode == Sampler::LINEAR_MIPMAP_LINEAR; 77 } 78 79 inline bool isNearestFilter (const Sampler::FilterMode mode) 80 { 81 return !isLinearFilter(mode); 82 } 83 84 inline Sampler::FilterMode getLevelFilter (const Sampler::FilterMode mode) 85 { 86 return isLinearFilter(mode) ? Sampler::LINEAR : Sampler::NEAREST; 87 } 88 89 inline bool isWrapModeSupported (const Sampler::WrapMode mode) 90 { 91 return mode != Sampler::MIRRORED_REPEAT_CL && mode != Sampler::REPEAT_CL; 92 } 93 94 // Misc utilities 95 96 Vec2 computeNonNormalizedCoordBounds (const bool normalizedCoords, const int dim, const float coord, const int coordBits, const int uvBits); 97 void getPossibleCubeFaces (const Vec3& coord, const IVec3& bits, CubeFace* faces, int& numFaces); 98 99 Sampler getUnnormalizedCoordSampler (const Sampler& sampler); 100 int wrap (Sampler::WrapMode mode, int c, int size); 101 102 } // TexVerifierUtil 103 } // tcu 104 105 #endif // _TCUTEXVERIFIERUTIL_HPP 106
