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327 lines
14 KiB
327 lines
14 KiB
#ifndef _GLUTEXTURE_HPP
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#define _GLUTEXTURE_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 classes.
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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 "tcuResource.hpp"
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#include "gluRenderContext.hpp"
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#include "gluContextInfo.hpp"
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#include "deArrayBuffer.hpp"
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#include <vector>
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#include <string>
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namespace glu
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{
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/*--------------------------------------------------------------------*//*!
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* \brief 1D Texture only supported on OpenGL
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*//*--------------------------------------------------------------------*/
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class Texture1D
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{
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public:
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Texture1D (const RenderContext& context, deUint32 format, deUint32 dataType, int width);
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Texture1D (const RenderContext& context, deUint32 internalFormat, int width);
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~Texture1D (void);
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tcu::Texture1D& getRefTexture (void) { return m_refTexture; }
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const tcu::Texture1D& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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void upload (void);
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private:
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Texture1D (const Texture1D& other); // Not allowed!
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Texture1D& operator= (const Texture1D& other); // Not allowed!
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const RenderContext& m_context;
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deUint32 m_format; //!< Internal format.
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tcu::Texture1D m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief 2D Texture
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*//*--------------------------------------------------------------------*/
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class Texture2D
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{
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public:
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Texture2D (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams = tcu::TexDecompressionParams());
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Texture2D (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height);
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Texture2D (const RenderContext& context, deUint32 internalFormat, int width, int height);
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virtual ~Texture2D (void);
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virtual void upload (void); // Not supported on compressed textures.
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tcu::Texture2D& getRefTexture (void) { return m_refTexture; }
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const tcu::Texture2D& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const std::vector<std::string>& filenames);
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static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const char* const* filenames);
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static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, const char* filename) { return create(context, contextInfo, archive, 1, &filename); }
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protected:
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const RenderContext& m_context;
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bool m_isCompressed;
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deUint32 m_format; //!< Internal format.
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tcu::Texture2D m_refTexture;
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deUint32 m_glTexture;
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private:
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Texture2D (const Texture2D& other); // Not allowed!
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Texture2D& operator= (const Texture2D& other); // Not allowed!
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void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams);
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} DE_WARN_UNUSED_TYPE;
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class ImmutableTexture2D : public Texture2D
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{
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public:
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ImmutableTexture2D (const RenderContext& context, deUint32 internalFormat, int width, int height);
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void upload (void); // Not supported on compressed textures.
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private:
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ImmutableTexture2D (const ImmutableTexture2D& other); // Not allowed!
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ImmutableTexture2D& operator= (const ImmutableTexture2D& other); // Not allowed!
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};
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/*--------------------------------------------------------------------*//*!
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* \brief Cube Map Texture
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*//*--------------------------------------------------------------------*/
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class TextureCube
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{
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public:
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// For compressed cubemap constructor and create() function input level pointers / filenames are expected
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// to laid out to array in following order:
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// { l0_neg_x, l0_pos_x, l0_neg_y, l0_pos_y, l0_neg_z, l0_pos_z, l1_neg_x, l1_pos_x, ... }
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TextureCube (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams = tcu::TexDecompressionParams());
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TextureCube (const RenderContext& context, deUint32 format, deUint32 dataType, int size);
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TextureCube (const RenderContext& context, deUint32 internalFormat, int size);
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~TextureCube (void);
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void upload (void); // Not supported on compressed textures.
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tcu::TextureCube& getRefTexture (void) { return m_refTexture; }
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const tcu::TextureCube& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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static TextureCube* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const std::vector<std::string>& filenames);
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static TextureCube* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const char* const* filenames);
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private:
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TextureCube (const TextureCube& other); // Not allowed!
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TextureCube& operator= (const TextureCube& other); // Not allowed!
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void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams);
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const RenderContext& m_context;
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bool m_isCompressed;
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deUint32 m_format; //!< Internal format.
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tcu::TextureCube m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief 2D Array Texture
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* \note Not supported on OpenGL ES 2
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*//*--------------------------------------------------------------------*/
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class Texture2DArray
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{
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public:
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Texture2DArray (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height, int numLayers);
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Texture2DArray (const RenderContext& context, deUint32 internalFormat, int width, int height, int numLayers);
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Texture2DArray (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams = tcu::TexDecompressionParams());
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~Texture2DArray (void);
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void upload (void);
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tcu::Texture2DArray& getRefTexture (void) { return m_refTexture; }
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const tcu::Texture2DArray& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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private:
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Texture2DArray (const Texture2DArray& other); // Not allowed!
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Texture2DArray& operator= (const Texture2DArray& other); // Not allowed!
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void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams);
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const RenderContext& m_context;
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bool m_isCompressed;
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deUint32 m_format; //!< Internal format.
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tcu::Texture2DArray m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief 1D Array Texture
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* \note Only supported on OpenGL
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*//*--------------------------------------------------------------------*/
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class Texture1DArray
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{
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public:
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Texture1DArray (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int numLayers);
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Texture1DArray (const RenderContext& context, deUint32 internalFormat, int width, int numLayers);
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~Texture1DArray (void);
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void upload (void);
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tcu::Texture1DArray& getRefTexture (void) { return m_refTexture; }
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const tcu::Texture1DArray& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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private:
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Texture1DArray (const Texture1DArray& other); // Not allowed!
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Texture1DArray& operator= (const Texture1DArray& other); // Not allowed!
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const RenderContext& m_context;
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deUint32 m_format; //!< Internal format.
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tcu::Texture1DArray m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief 3D Texture
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* \note Not supported on OpenGL ES 2
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*//*--------------------------------------------------------------------*/
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class Texture3D
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{
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public:
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Texture3D (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height, int depth);
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Texture3D (const RenderContext& context, deUint32 internalFormat, int width, int height, int depth);
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Texture3D (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams = tcu::TexDecompressionParams());
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~Texture3D (void);
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void upload (void);
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tcu::Texture3D& getRefTexture (void) { return m_refTexture; }
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const tcu::Texture3D& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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private:
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Texture3D (const Texture3D& other); // Not allowed!
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Texture3D& operator= (const Texture3D& other); // Not allowed!
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void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::TexDecompressionParams& decompressionParams);
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const RenderContext& m_context;
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bool m_isCompressed;
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deUint32 m_format; //!< Internal format.
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tcu::Texture3D m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief Cube Map Array Texture
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* \note Not supported on OpenGL ES 3.0 or lower
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*//*--------------------------------------------------------------------*/
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class TextureCubeArray
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{
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public:
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TextureCubeArray (const RenderContext& context, deUint32 format, deUint32 dataType, int size, int numLayers);
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TextureCubeArray (const RenderContext& context, deUint32 internalFormat, int size, int numLayers);
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~TextureCubeArray (void);
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void upload (void);
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tcu::TextureCubeArray& getRefTexture (void) { return m_refTexture; }
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const tcu::TextureCubeArray& getRefTexture (void) const { return m_refTexture; }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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private:
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TextureCubeArray (const TextureCubeArray& other); // Not allowed!
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TextureCubeArray& operator= (const TextureCubeArray& other); // Not allowed!
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const RenderContext& m_context;
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bool m_isCompressed;
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deUint32 m_format; //!< Internal format.
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tcu::TextureCubeArray m_refTexture;
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deUint32 m_glTexture;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief 1D Texture Buffer only supported on OpenGL
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*//*--------------------------------------------------------------------*/
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class TextureBuffer
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{
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public:
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TextureBuffer (const RenderContext& context, deUint32 internalFormat, size_t bufferSize);
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TextureBuffer (const RenderContext& context, deUint32 internalFormat, size_t bufferSize, size_t offset, size_t size, const void* data = DE_NULL);
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~TextureBuffer (void);
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// \note Effective pixel buffer access must be limited to w <= GL_MAX_TEXTURE_BUFFER_SIZE
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const tcu::PixelBufferAccess getFullRefTexture (void);
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const tcu::ConstPixelBufferAccess getFullRefTexture (void) const;
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// \note mutating buffer storage will invalidate existing pixel buffer accesses
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de::ArrayBuffer<deUint8>& getRefBuffer (void) { return m_refBuffer; }
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const de::ArrayBuffer<deUint8>& getRefBuffer (void) const { return m_refBuffer; }
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size_t getSize (void) const { return m_size; }
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size_t getOffset (void) const { return m_offset; }
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size_t getBufferSize (void) const { return m_refBuffer.size(); }
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deUint32 getGLTexture (void) const { return m_glTexture; }
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deUint32 getGLBuffer (void) const { return m_glBuffer; }
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void upload (void);
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private:
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void init (deUint32 internalFormat, size_t bufferSize, size_t offset, size_t size, const void* data);
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TextureBuffer (const TextureBuffer& other); // Not allowed!
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TextureBuffer& operator= (const TextureBuffer& other); // Not allowed!
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const RenderContext& m_context;
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deUint32 m_format; //!< Internal format.
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de::ArrayBuffer<deUint8> m_refBuffer;
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size_t m_offset;
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size_t m_size;
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deUint32 m_glTexture;
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deUint32 m_glBuffer;
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} DE_WARN_UNUSED_TYPE;
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} // glu
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#endif // _GLUTEXTURE_HPP
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