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 class TextureBuffer; 38 39 /*--------------------------------------------------------------------*//*! 40 * \brief GL pixel transfer format. 41 *//*--------------------------------------------------------------------*/ 42 struct TransferFormat 43 { 44 deUint32 format; //!< Pixel format. 45 deUint32 dataType; //!< Data type. 46 TransferFormatglu::TransferFormat47 TransferFormat (void) 48 : format (0) 49 , dataType (0) 50 { 51 } 52 TransferFormatglu::TransferFormat53 TransferFormat (deUint32 format_, deUint32 dataType_) 54 : format (format_) 55 , dataType (dataType_) 56 { 57 } 58 } DE_WARN_UNUSED_TYPE; 59 60 tcu::TextureFormat mapGLTransferFormat (deUint32 format, deUint32 dataType); 61 tcu::TextureFormat mapGLInternalFormat (deUint32 internalFormat); 62 tcu::CompressedTexFormat mapGLCompressedTexFormat (deUint32 format); 63 bool isGLInternalColorFormatFilterable (deUint32 internalFormat); 64 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 minFilter, deUint32 magFilter); 65 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter); 66 tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter); 67 tcu::Sampler::CompareMode mapGLCompareFunc (deUint32 mode); 68 69 TransferFormat getTransferFormat (tcu::TextureFormat format); 70 deUint32 getInternalFormat (tcu::TextureFormat format); 71 deUint32 getGLFormat (tcu::CompressedTexFormat format); 72 73 deUint32 getGLWrapMode (tcu::Sampler::WrapMode wrapMode); 74 deUint32 getGLFilterMode (tcu::Sampler::FilterMode filterMode); 75 deUint32 getGLCompareFunc (tcu::Sampler::CompareMode compareMode); 76 77 deUint32 getGLCubeFace (tcu::CubeFace face); 78 tcu::CubeFace getCubeFaceFromGL (deUint32 face); 79 80 DataType getSampler1DType (tcu::TextureFormat format); 81 DataType getSampler2DType (tcu::TextureFormat format); 82 DataType getSamplerCubeType (tcu::TextureFormat format); 83 DataType getSampler1DArrayType (tcu::TextureFormat format); 84 DataType getSampler2DArrayType (tcu::TextureFormat format); 85 DataType getSampler3DType (tcu::TextureFormat format); 86 DataType getSamplerCubeArrayType (tcu::TextureFormat format); 87 88 bool isSizedFormatColorRenderable (const RenderContext& renderCtx, const ContextInfo& contextInfo, deUint32 sizedFormat); 89 bool isCompressedFormat (deUint32 internalFormat); 90 91 const tcu::IVec2 (&getDefaultGatherOffsets (void))[4]; 92 93 tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture (TextureBuffer& buffer, int maxTextureBufferSize); 94 tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture (const TextureBuffer& buffer, int maxTextureBufferSize); 95 96 } // glu 97 98 #endif // _GLUTEXTUREUTIL_HPP 99