1 #ifndef _GLUTEXTUREUTIL_HPP 2 #define _GLUTEXTUREUTIL_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program OpenGL ES Utilities 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 format utilities. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "gluDefs.hpp" 27 #include "tcuTexture.hpp" 28 #include "tcuCompressedTexture.hpp" 29 #include "gluShaderUtil.hpp" 30 #include "deInt32.h" 31 32 namespace glu 33 { 34 35 class RenderContext; 36 class ContextInfo; 37 38 /*--------------------------------------------------------------------*//*! 39 * \brief GL pixel transfer format. 40 *//*--------------------------------------------------------------------*/ 41 struct TransferFormat 42 { 43 deUint32 format; //!< Pixel format. 44 deUint32 dataType; //!< Data type. 45 TransferFormatglu::TransferFormat46 TransferFormat (void) 47 : format (0) 48 , dataType (0) 49 { 50 } 51 TransferFormatglu::TransferFormat52 TransferFormat (deUint32 format_, deUint32 dataType_) 53 : format (format_) 54 , dataType (dataType_) 55 { 56 } 57 } DE_WARN_UNUSED_TYPE; 58 59 tcu::TextureFormat mapGLTransferFormat (deUint32 format, deUint32 dataType); 60 tcu::TextureFormat mapGLInternalFormat (deUint32 internalFormat); 61 tcu::CompressedTexFormat mapGLCompressedTexFormat (deUint32 format); 62 bool isGLInternalColorFormatFilterable (deUint32 internalFormat); 63 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 minFilter, deUint32 magFilter); 64 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter); 65 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter); 66 tcu::Sampler::CompareMode mapGLCompareFunc (deUint32 mode); 67 68 TransferFormat getTransferFormat (tcu::TextureFormat format); 69 deUint32 getInternalFormat (tcu::TextureFormat format); 70 deUint32 getGLFormat (tcu::CompressedTexFormat format); 71 72 deUint32 getGLWrapMode (tcu::Sampler::WrapMode wrapMode); 73 deUint32 getGLFilterMode (tcu::Sampler::FilterMode filterMode); 74 deUint32 getGLCompareFunc (tcu::Sampler::CompareMode compareMode); 75 76 deUint32 getGLCubeFace (tcu::CubeFace face); 77 tcu::CubeFace getCubeFaceFromGL (deUint32 face); 78 79 DataType getSampler1DType (tcu::TextureFormat format); 80 DataType getSampler2DType (tcu::TextureFormat format); 81 DataType getSamplerCubeType (tcu::TextureFormat format); 82 DataType getSampler2DArrayType (tcu::TextureFormat format); 83 DataType getSampler3DType (tcu::TextureFormat format); 84 DataType getSamplerCubeArrayType (tcu::TextureFormat format); 85 86 bool isSizedFormatColorRenderable (const RenderContext& renderCtx, const ContextInfo& contextInfo, deUint32 sizedFormat); 87 bool isCompressedFormat (deUint32 internalFormat); 88 89 const tcu::IVec2 (&getDefaultGatherOffsets (void))[4]; 90 91 } // glu 92 93 #endif // _GLUTEXTUREUTIL_HPP 94