13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#ifndef _TCUTEXTUREUTIL_HPP 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#define _TCUTEXTUREUTIL_HPP 33c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 43c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Quality Program Tester Core 53c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * ---------------------------------------- 63c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 73c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Copyright 2014 The Android Open Source Project 83c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 93c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Licensed under the Apache License, Version 2.0 (the "License"); 103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * you may not use this file except in compliance with the License. 113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * You may obtain a copy of the License at 123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * http://www.apache.org/licenses/LICENSE-2.0 143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Unless required by applicable law or agreed to in writing, software 163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * distributed under the License is distributed on an "AS IS" BASIS, 173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * See the License for the specific language governing permissions and 193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * limitations under the License. 203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*! 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \file 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Texture utilities. 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuDefs.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTexture.hpp" 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace tcu 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// PixelBufferAccess utilities. 333c827367444ee418f129b2c238299f49d3264554Jarkko PoyryPixelBufferAccess getSubregion (const PixelBufferAccess& access, int x, int y, int z, int width, int height, int depth); 343c827367444ee418f129b2c238299f49d3264554Jarkko PoyryConstPixelBufferAccess getSubregion (const ConstPixelBufferAccess& access, int x, int y, int z, int width, int height, int depth); 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 363c827367444ee418f129b2c238299f49d3264554Jarkko PoyryPixelBufferAccess getSubregion (const PixelBufferAccess& access, int x, int y, int width, int height); 373c827367444ee418f129b2c238299f49d3264554Jarkko PoyryConstPixelBufferAccess getSubregion (const ConstPixelBufferAccess& access, int x, int y, int width, int height); 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 393c827367444ee418f129b2c238299f49d3264554Jarkko PoyryPixelBufferAccess flipYAccess (const PixelBufferAccess& access); 403c827367444ee418f129b2c238299f49d3264554Jarkko PoyryConstPixelBufferAccess flipYAccess (const ConstPixelBufferAccess& access); 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// sRGB - linear conversion. 433c827367444ee418f129b2c238299f49d3264554Jarkko PoyryVec4 sRGBToLinear (const Vec4& cs); 443c827367444ee418f129b2c238299f49d3264554Jarkko PoyryVec4 linearToSRGB (const Vec4& cl); 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*--------------------------------------------------------------------*//*! 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Color channel storage type 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyryenum TextureChannelClass 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_SIGNED_FIXED_POINT = 0, 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT, 533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_SIGNED_INTEGER, 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_UNSIGNED_INTEGER, 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_FLOATING_POINT, 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TEXTURECHANNELCLASS_LAST 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 603c827367444ee418f129b2c238299f49d3264554Jarkko PoyryTextureChannelClass getTextureChannelClass (TextureFormat::ChannelType channelType); 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*--------------------------------------------------------------------*//*! 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Standard parameters for texture format testing 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystruct TextureFormatInfo 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 valueMin; 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 valueMax; 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 lookupScale; 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 lookupBias; 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TextureFormatInfo (const Vec4& valueMin_, const Vec4& valueMax_, const Vec4& lookupScale_, const Vec4& lookupBias_) 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : valueMin (valueMin_) 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , valueMax (valueMax_) 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , lookupScale (lookupScale_) 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , lookupBias (lookupBias_) 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 81ade588f3b2b1b6d007b9681e95434dc4a4bd46caJarkko PöyryTextureFormatInfo getTextureFormatInfo (const TextureFormat& format); 82ade588f3b2b1b6d007b9681e95434dc4a4bd46caJarkko PöyryIVec4 getTextureFormatBitDepth (const TextureFormat& format); 83ade588f3b2b1b6d007b9681e95434dc4a4bd46caJarkko PöyryIVec4 getTextureFormatMantissaBitDepth (const TextureFormat& format); 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Texture fill. 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clear (const PixelBufferAccess& access, const Vec4& color); 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clear (const PixelBufferAccess& access, const IVec4& color); 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clearDepth (const PixelBufferAccess& access, float depth); 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clearStencil (const PixelBufferAccess& access, int stencil); 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fillWithComponentGradients (const PixelBufferAccess& access, const Vec4& minVal, const Vec4& maxVal); 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fillWithGrid (const PixelBufferAccess& access, int cellSize, const Vec4& colorA, const Vec4& colorB); 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fillWithRepeatableGradient (const PixelBufferAccess& access, const Vec4& colorA, const Vec4& colorB); 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fillWithMetaballs (const PixelBufferAccess& access, int numMetaballs, deUint32 seed); 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fillWithRGBAQuads (const PixelBufferAccess& access); 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid copy (const PixelBufferAccess& dst, const ConstPixelBufferAccess& src); 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid scale (const PixelBufferAccess& dst, const ConstPixelBufferAccess& src, Sampler::FilterMode filter); 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid estimatePixelValueRange (const ConstPixelBufferAccess& access, Vec4& minVal, Vec4& maxVal); 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computePixelScaleBias (const ConstPixelBufferAccess& access, Vec4& scale, Vec4& bias); 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1028852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyryint getCubeArrayFaceIndex (CubeFace face); 1038852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! FP32->U8 with RTE rounding (extremely fast, always accurate). 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline deUint8 floatToU8 (float fv) 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry union { float fv; deUint32 uv; deInt32 iv; } v; 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry v.fv = fv; 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const deUint32 e = (deUint32)(126-(v.iv>>23)); 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint32 m = v.uv; 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m &= 0x00ffffffu; 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m |= 0x00800000u; 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m = (m << 8) - m; 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m = 0x00800000u + (m >> e); 1173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (e > 8) 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m = e; 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (deUint8)(m>>24); 1223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // tcu 1253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#endif // _TCUTEXTUREUTIL_HPP 127