#ifndef _TCUCOMPRESSEDTEXTURE_HPP #define _TCUCOMPRESSEDTEXTURE_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 Compressed Texture Utilities. *//*--------------------------------------------------------------------*/ #include "tcuDefs.hpp" #include "tcuTexture.hpp" #include <vector> namespace tcu { enum CompressedTexFormat { COMPRESSEDTEXFORMAT_ETC1_RGB8 = 0, COMPRESSEDTEXFORMAT_EAC_R11, COMPRESSEDTEXFORMAT_EAC_SIGNED_R11, COMPRESSEDTEXFORMAT_EAC_RG11, COMPRESSEDTEXFORMAT_EAC_SIGNED_RG11, COMPRESSEDTEXFORMAT_ETC2_RGB8, COMPRESSEDTEXFORMAT_ETC2_SRGB8, COMPRESSEDTEXFORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1, COMPRESSEDTEXFORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1, COMPRESSEDTEXFORMAT_ETC2_EAC_RGBA8, COMPRESSEDTEXFORMAT_ETC2_EAC_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_4x4_RGBA, COMPRESSEDTEXFORMAT_ASTC_5x4_RGBA, COMPRESSEDTEXFORMAT_ASTC_5x5_RGBA, COMPRESSEDTEXFORMAT_ASTC_6x5_RGBA, COMPRESSEDTEXFORMAT_ASTC_6x6_RGBA, COMPRESSEDTEXFORMAT_ASTC_8x5_RGBA, COMPRESSEDTEXFORMAT_ASTC_8x6_RGBA, COMPRESSEDTEXFORMAT_ASTC_8x8_RGBA, COMPRESSEDTEXFORMAT_ASTC_10x5_RGBA, COMPRESSEDTEXFORMAT_ASTC_10x6_RGBA, COMPRESSEDTEXFORMAT_ASTC_10x8_RGBA, COMPRESSEDTEXFORMAT_ASTC_10x10_RGBA, COMPRESSEDTEXFORMAT_ASTC_12x10_RGBA, COMPRESSEDTEXFORMAT_ASTC_12x12_RGBA, COMPRESSEDTEXFORMAT_ASTC_4x4_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_5x4_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_5x5_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_6x5_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_6x6_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_8x5_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_8x6_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_8x8_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_10x5_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_10x6_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_10x8_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_10x10_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_12x10_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_ASTC_12x12_SRGB8_ALPHA8, COMPRESSEDTEXFORMAT_LAST }; int getBlockSize (CompressedTexFormat format); IVec3 getBlockPixelSize (CompressedTexFormat format); bool isEtcFormat (CompressedTexFormat format); bool isAstcFormat (CompressedTexFormat format); bool isAstcSRGBFormat (CompressedTexFormat format); TextureFormat getUncompressedFormat (CompressedTexFormat format); CompressedTexFormat getAstcFormatByBlockSize (const IVec3& size, bool isSRGB); struct TexDecompressionParams { enum AstcMode { ASTCMODE_LDR = 0, ASTCMODE_HDR, ASTCMODE_LAST }; TexDecompressionParams (AstcMode astcMode_ = ASTCMODE_LAST) : astcMode(astcMode_) {} AstcMode astcMode; }; /*--------------------------------------------------------------------*//*! * \brief Compressed texture * * This class implements container for common compressed texture formats. * Reference decoding to uncompressed formats is supported. *//*--------------------------------------------------------------------*/ class CompressedTexture { public: CompressedTexture (CompressedTexFormat format, int width, int height, int depth = 1); CompressedTexture (void); ~CompressedTexture (void); void setStorage (CompressedTexFormat format, int width, int height, int depth = 1); int getWidth (void) const { return m_width; } int getHeight (void) const { return m_height; } int getDepth (void) const { return m_depth; } CompressedTexFormat getFormat (void) const { return m_format; } int getDataSize (void) const { return (int)m_data.size(); } const void* getData (void) const { return &m_data[0]; } void* getData (void) { return &m_data[0]; } void decompress (const PixelBufferAccess& dst, const TexDecompressionParams& params = TexDecompressionParams()) const; private: CompressedTexFormat m_format; int m_width; int m_height; int m_depth; std::vector<deUint8> m_data; } DE_WARN_UNUSED_TYPE; void decompress (const PixelBufferAccess& dst, CompressedTexFormat fmt, const deUint8* src, const TexDecompressionParams& params = TexDecompressionParams()); } // tcu #endif // _TCUCOMPRESSEDTEXTURE_HPP