1 #ifndef _TCUTEXCOMPAREVERIFIER_HPP 2 #define _TCUTEXCOMPAREVERIFIER_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 Texture compare (shadow) result verifier. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 #include "tcuTexture.hpp" 28 #include "tcuTexLookupVerifier.hpp" 29 30 namespace tcu 31 { 32 33 /*--------------------------------------------------------------------*//*! 34 * \brief Texture compare (shadow) lookup precision parameters. 35 * \see LookupPrecision 36 *//*--------------------------------------------------------------------*/ 37 struct TexComparePrecision 38 { 39 IVec3 coordBits; //!< Bits per coordinate component before any transformations. Assumed to be floating-point. 40 IVec3 uvwBits; //!< Bits per component in final per-level UV(W) coordinates. Assumed to be fixed-point. 41 int pcfBits; //!< Number of accurate bits in PCF. This is additional error taken into account when doing filtering. Assumed to be fixed-point. 42 int referenceBits; //!< Number of accurate bits in compare reference value. Assumed to be fixed-point. 43 int resultBits; //!< Number of accurate bits in result value. Assumed to be fixed-point. 44 TexComparePrecisiontcu::TexComparePrecision45 TexComparePrecision(void) : coordBits(22), uvwBits(16), pcfBits(16), referenceBits(16), resultBits(16) 46 { 47 } 48 } DE_WARN_UNUSED_TYPE; 49 50 bool isTexCompareResultValid(const Texture2DView &texture, const Sampler &sampler, const TexComparePrecision &prec, 51 const Vec2 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); 52 bool isTexCompareResultValid(const TextureCubeView &texture, const Sampler &sampler, const TexComparePrecision &prec, 53 const Vec3 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); 54 bool isTexCompareResultValid(const Texture2DArrayView &texture, const Sampler &sampler, const TexComparePrecision &prec, 55 const Vec3 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); 56 bool isTexCompareResultValid(const Texture1DView &texture, const Sampler &sampler, const TexComparePrecision &prec, 57 const Vec1 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); 58 bool isTexCompareResultValid(const Texture1DArrayView &texture, const Sampler &sampler, const TexComparePrecision &prec, 59 const Vec2 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); 60 bool isTexCompareResultValid(const TextureCubeArrayView &texture, const Sampler &sampler, 61 const TexComparePrecision &prec, const Vec4 &coord, const Vec2 &lodBounds, 62 const float cmpReference, const float result); 63 64 bool isGatherOffsetsCompareResultValid(const Texture2DView &texture, const Sampler &sampler, 65 const TexComparePrecision &prec, const Vec2 &coord, const IVec2 (&offsets)[4], 66 float cmpReference, const Vec4 &result); 67 bool isGatherOffsetsCompareResultValid(const Texture2DArrayView &texture, const Sampler &sampler, 68 const TexComparePrecision &prec, const Vec3 &coord, const IVec2 (&offsets)[4], 69 float cmpReference, const Vec4 &result); 70 // \note For cube textures, gather is only defined without offset. 71 bool isGatherCompareResultValid(const TextureCubeView &texture, const Sampler &sampler, const TexComparePrecision &prec, 72 const Vec3 &coord, float cmpReference, const Vec4 &result); 73 74 } // namespace tcu 75 76 #endif // _TCUTEXCOMPAREVERIFIER_HPP 77