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 uint32_t format; //!< Pixel format. 45 uint32_t dataType; //!< Data type. 46 TransferFormatglu::TransferFormat47 TransferFormat(void) : format(0), dataType(0) 48 { 49 } 50 TransferFormatglu::TransferFormat51 TransferFormat(uint32_t format_, uint32_t dataType_) : format(format_), dataType(dataType_) 52 { 53 } 54 } DE_WARN_UNUSED_TYPE; 55 56 tcu::TextureFormat mapGLTransferFormat(uint32_t format, uint32_t dataType); 57 tcu::TextureFormat mapGLInternalFormat(uint32_t internalFormat); 58 tcu::CompressedTexFormat mapGLCompressedTexFormat(uint32_t format); 59 bool isGLInternalColorFormatFilterable(uint32_t internalFormat); 60 tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t minFilter, uint32_t magFilter); 61 tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t wrapT, uint32_t minFilter, uint32_t magFilter); 62 tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t wrapT, uint32_t wrapR, uint32_t minFilter, uint32_t magFilter); 63 tcu::Sampler::CompareMode mapGLCompareFunc(uint32_t mode); 64 65 TransferFormat getTransferFormat(tcu::TextureFormat format); 66 uint32_t getInternalFormat(tcu::TextureFormat format); 67 uint32_t getGLFormat(tcu::CompressedTexFormat format); 68 69 uint32_t getGLWrapMode(tcu::Sampler::WrapMode wrapMode); 70 uint32_t getGLFilterMode(tcu::Sampler::FilterMode filterMode); 71 uint32_t getGLCompareFunc(tcu::Sampler::CompareMode compareMode); 72 73 uint32_t getGLCubeFace(tcu::CubeFace face); 74 tcu::CubeFace getCubeFaceFromGL(uint32_t face); 75 76 DataType getSampler1DType(tcu::TextureFormat format); 77 DataType getSampler2DType(tcu::TextureFormat format); 78 DataType getSamplerCubeType(tcu::TextureFormat format); 79 DataType getSampler1DArrayType(tcu::TextureFormat format); 80 DataType getSampler2DArrayType(tcu::TextureFormat format); 81 DataType getSampler3DType(tcu::TextureFormat format); 82 DataType getSamplerCubeArrayType(tcu::TextureFormat format); 83 84 bool isSizedFormatColorRenderable(const RenderContext &renderCtx, const ContextInfo &contextInfo, uint32_t sizedFormat); 85 bool isCompressedFormat(uint32_t internalFormat); 86 87 const tcu::IVec2 (&getDefaultGatherOffsets(void))[4]; 88 89 tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture(TextureBuffer &buffer, int maxTextureBufferSize); 90 tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture(const TextureBuffer &buffer, int maxTextureBufferSize); 91 92 } // namespace glu 93 94 #endif // _GLUTEXTUREUTIL_HPP 95