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99 lines
3.8 KiB
99 lines
3.8 KiB
#ifndef _GLUTEXTUREUTIL_HPP
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#define _GLUTEXTUREUTIL_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program OpenGL ES Utilities
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* ------------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Texture format utilities.
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*//*--------------------------------------------------------------------*/
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#include "gluDefs.hpp"
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#include "tcuTexture.hpp"
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#include "tcuCompressedTexture.hpp"
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#include "gluShaderUtil.hpp"
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#include "deInt32.h"
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namespace glu
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{
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class RenderContext;
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class ContextInfo;
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class TextureBuffer;
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/*--------------------------------------------------------------------*//*!
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* \brief GL pixel transfer format.
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*//*--------------------------------------------------------------------*/
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struct TransferFormat
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{
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deUint32 format; //!< Pixel format.
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deUint32 dataType; //!< Data type.
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TransferFormat (void)
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: format (0)
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, dataType (0)
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{
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}
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TransferFormat (deUint32 format_, deUint32 dataType_)
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: format (format_)
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, dataType (dataType_)
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{
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}
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} DE_WARN_UNUSED_TYPE;
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tcu::TextureFormat mapGLTransferFormat (deUint32 format, deUint32 dataType);
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tcu::TextureFormat mapGLInternalFormat (deUint32 internalFormat);
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tcu::CompressedTexFormat mapGLCompressedTexFormat (deUint32 format);
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bool isGLInternalColorFormatFilterable (deUint32 internalFormat);
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tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 minFilter, deUint32 magFilter);
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tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter);
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tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter);
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tcu::Sampler::CompareMode mapGLCompareFunc (deUint32 mode);
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TransferFormat getTransferFormat (tcu::TextureFormat format);
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deUint32 getInternalFormat (tcu::TextureFormat format);
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deUint32 getGLFormat (tcu::CompressedTexFormat format);
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deUint32 getGLWrapMode (tcu::Sampler::WrapMode wrapMode);
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deUint32 getGLFilterMode (tcu::Sampler::FilterMode filterMode);
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deUint32 getGLCompareFunc (tcu::Sampler::CompareMode compareMode);
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deUint32 getGLCubeFace (tcu::CubeFace face);
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tcu::CubeFace getCubeFaceFromGL (deUint32 face);
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DataType getSampler1DType (tcu::TextureFormat format);
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DataType getSampler2DType (tcu::TextureFormat format);
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DataType getSamplerCubeType (tcu::TextureFormat format);
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DataType getSampler1DArrayType (tcu::TextureFormat format);
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DataType getSampler2DArrayType (tcu::TextureFormat format);
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DataType getSampler3DType (tcu::TextureFormat format);
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DataType getSamplerCubeArrayType (tcu::TextureFormat format);
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bool isSizedFormatColorRenderable (const RenderContext& renderCtx, const ContextInfo& contextInfo, deUint32 sizedFormat);
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bool isCompressedFormat (deUint32 internalFormat);
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const tcu::IVec2 (&getDefaultGatherOffsets (void))[4];
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tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture (TextureBuffer& buffer, int maxTextureBufferSize);
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tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture (const TextureBuffer& buffer, int maxTextureBufferSize);
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} // glu
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#endif // _GLUTEXTUREUTIL_HPP
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