| #ifndef _TCUTEXCOMPAREVERIFIER_HPP |
| #define _TCUTEXCOMPAREVERIFIER_HPP |
| /*------------------------------------------------------------------------- |
| * drawElements Quality Program Tester Core |
| * ---------------------------------------- |
| * |
| * 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 Texture compare (shadow) result verifier. |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "tcuDefs.hpp" |
| #include "tcuTexture.hpp" |
| #include "tcuTexLookupVerifier.hpp" |
| |
| namespace tcu |
| { |
| |
| /*--------------------------------------------------------------------*//*! |
| * \brief Texture compare (shadow) lookup precision parameters. |
| * \see LookupPrecision |
| *//*--------------------------------------------------------------------*/ |
| struct TexComparePrecision |
| { |
| IVec3 coordBits; //!< Bits per coordinate component before any transformations. Assumed to be floating-point. |
| IVec3 uvwBits; //!< Bits per component in final per-level UV(W) coordinates. Assumed to be fixed-point. |
| int pcfBits; //!< Number of accurate bits in PCF. This is additional error taken into account when doing filtering. Assumed to be fixed-point. |
| int referenceBits; //!< Number of accurate bits in compare reference value. Assumed to be fixed-point. |
| int resultBits; //!< Number of accurate bits in result value. Assumed to be fixed-point. |
| |
| TexComparePrecision(void) : coordBits(22), uvwBits(16), pcfBits(16), referenceBits(16), resultBits(16) |
| { |
| } |
| } DE_WARN_UNUSED_TYPE; |
| |
| bool isTexCompareResultValid(const Texture2DView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec2 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); |
| bool isTexCompareResultValid(const TextureCubeView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec3 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); |
| bool isTexCompareResultValid(const Texture2DArrayView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec3 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); |
| bool isTexCompareResultValid(const Texture1DView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec1 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); |
| bool isTexCompareResultValid(const Texture1DArrayView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec2 &coord, const Vec2 &lodBounds, const float cmpReference, const float result); |
| bool isTexCompareResultValid(const TextureCubeArrayView &texture, const Sampler &sampler, |
| const TexComparePrecision &prec, const Vec4 &coord, const Vec2 &lodBounds, |
| const float cmpReference, const float result); |
| |
| bool isGatherOffsetsCompareResultValid(const Texture2DView &texture, const Sampler &sampler, |
| const TexComparePrecision &prec, const Vec2 &coord, const IVec2 (&offsets)[4], |
| float cmpReference, const Vec4 &result); |
| bool isGatherOffsetsCompareResultValid(const Texture2DArrayView &texture, const Sampler &sampler, |
| const TexComparePrecision &prec, const Vec3 &coord, const IVec2 (&offsets)[4], |
| float cmpReference, const Vec4 &result); |
| // \note For cube textures, gather is only defined without offset. |
| bool isGatherCompareResultValid(const TextureCubeView &texture, const Sampler &sampler, const TexComparePrecision &prec, |
| const Vec3 &coord, float cmpReference, const Vec4 &result); |
| |
| } // namespace tcu |
| |
| #endif // _TCUTEXCOMPAREVERIFIER_HPP |