#ifndef _GLUTEXTURE_HPP
#define _GLUTEXTURE_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES Utilities
* ------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Texture classes.
*//*--------------------------------------------------------------------*/
#include "gluDefs.hpp"
#include "tcuTexture.hpp"
#include "tcuCompressedTexture.hpp"
#include "tcuResource.hpp"
#include "gluRenderContext.hpp"
#include "gluContextInfo.hpp"
#include <vector>
#include <string>
namespace glu
{
/*--------------------------------------------------------------------*//*!
* \brief 1D Texture only supported on OpenGL
*//*--------------------------------------------------------------------*/
class Texture1D
{
public:
Texture1D (const RenderContext& context, deUint32 format, deUint32 dataType, int width);
Texture1D (const RenderContext& context, deUint32 internalFormat, int width);
~Texture1D (void);
tcu::Texture1D& getRefTexture (void) { return m_refTexture; }
const tcu::Texture1D& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
void upload (void);
private:
Texture1D (const Texture1D& other); // Not allowed!
Texture1D& operator= (const Texture1D& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
tcu::Texture1D m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief 2D Texture
*//*--------------------------------------------------------------------*/
class Texture2D
{
public:
Texture2D (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::CompressedTexture::DecompressionParams& = tcu::CompressedTexture::DecompressionParams(false));
Texture2D (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height);
Texture2D (const RenderContext& context, deUint32 internalFormat, int width, int height);
~Texture2D (void);
void upload (void); // Not supported on compressed textures.
tcu::Texture2D& getRefTexture (void) { return m_refTexture; }
const tcu::Texture2D& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const std::vector<std::string>& filenames);
static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const char* const* filenames);
static Texture2D* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, const char* filename) { return create(context, contextInfo, archive, 1, &filename); }
private:
Texture2D (const Texture2D& other); // Not allowed!
Texture2D& operator= (const Texture2D& other); // Not allowed!
void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::CompressedTexture::DecompressionParams&);
const RenderContext& m_context;
bool m_isCompressed;
deUint32 m_format; //!< Internal format.
tcu::Texture2D m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief Cube Map Texture
*//*--------------------------------------------------------------------*/
class TextureCube
{
public:
// For compressed cubemap constructor and create() function input level pointers / filenames are expected
// to laid out to array in following order:
// { l0_neg_x, l0_pos_x, l0_neg_y, l0_pos_y, l0_neg_z, l0_pos_z, l1_neg_x, l1_pos_x, ... }
TextureCube (const RenderContext& context, const ContextInfo& contextInfo, int numLevels, const tcu::CompressedTexture* levels, const tcu::CompressedTexture::DecompressionParams& = tcu::CompressedTexture::DecompressionParams(false));
TextureCube (const RenderContext& context, deUint32 format, deUint32 dataType, int size);
TextureCube (const RenderContext& context, deUint32 internalFormat, int size);
~TextureCube (void);
void upload (void); // Not supported on compressed textures.
tcu::TextureCube& getRefTexture (void) { return m_refTexture; }
const tcu::TextureCube& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
static TextureCube* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const std::vector<std::string>& filenames);
static TextureCube* create (const RenderContext& context, const ContextInfo& contextInfo, const tcu::Archive& archive, int numLevels, const char* const* filenames);
private:
TextureCube (const TextureCube& other); // Not allowed!
TextureCube& operator= (const TextureCube& other); // Not allowed!
void loadCompressed (int numLevels, const tcu::CompressedTexture* levels, const tcu::CompressedTexture::DecompressionParams&);
const RenderContext& m_context;
bool m_isCompressed;
deUint32 m_format; //!< Internal format.
tcu::TextureCube m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief 2D Array Texture
* \note Not supported on OpenGL ES 2
*//*--------------------------------------------------------------------*/
class Texture2DArray
{
public:
Texture2DArray (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height, int numLayers);
Texture2DArray (const RenderContext& context, deUint32 internalFormat, int width, int height, int numLayers);
~Texture2DArray (void);
void upload (void);
tcu::Texture2DArray& getRefTexture (void) { return m_refTexture; }
const tcu::Texture2DArray& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
private:
Texture2DArray (const Texture2DArray& other); // Not allowed!
Texture2DArray& operator= (const Texture2DArray& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
tcu::Texture2DArray m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief 1D Array Texture
* \note Only supported on OpenGL
*//*--------------------------------------------------------------------*/
class Texture1DArray
{
public:
Texture1DArray (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int numLayers);
Texture1DArray (const RenderContext& context, deUint32 internalFormat, int width, int numLayers);
~Texture1DArray (void);
void upload (void);
tcu::Texture1DArray& getRefTexture (void) { return m_refTexture; }
const tcu::Texture1DArray& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
private:
Texture1DArray (const Texture1DArray& other); // Not allowed!
Texture1DArray& operator= (const Texture1DArray& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
tcu::Texture1DArray m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief 3D Texture
* \note Not supported on OpenGL ES 2
*//*--------------------------------------------------------------------*/
class Texture3D
{
public:
Texture3D (const RenderContext& context, deUint32 format, deUint32 dataType, int width, int height, int depth);
Texture3D (const RenderContext& context, deUint32 internalFormat, int width, int height, int depth);
~Texture3D (void);
void upload (void);
tcu::Texture3D& getRefTexture (void) { return m_refTexture; }
const tcu::Texture3D& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
private:
Texture3D (const Texture3D& other); // Not allowed!
Texture3D& operator= (const Texture3D& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
tcu::Texture3D m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief Cube Map Array Texture
* \note Not supported on OpenGL ES 3.0 or lower
*//*--------------------------------------------------------------------*/
class TextureCubeArray
{
public:
TextureCubeArray (const RenderContext& context, deUint32 format, deUint32 dataType, int size, int numLayers);
TextureCubeArray (const RenderContext& context, deUint32 internalFormat, int size, int numLayers);
~TextureCubeArray (void);
void upload (void);
tcu::TextureCubeArray& getRefTexture (void) { return m_refTexture; }
const tcu::TextureCubeArray& getRefTexture (void) const { return m_refTexture; }
deUint32 getGLTexture (void) const { return m_glTexture; }
private:
TextureCubeArray (const TextureCubeArray& other); // Not allowed!
TextureCubeArray& operator= (const TextureCubeArray& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
tcu::TextureCubeArray m_refTexture;
deUint32 m_glTexture;
};
/*--------------------------------------------------------------------*//*!
* \brief 1D Texture Buffer only supported on OpenGL
*//*--------------------------------------------------------------------*/
class TextureBuffer
{
public:
TextureBuffer (const RenderContext& context, deUint32 internalFormat, size_t bufferSize);
TextureBuffer (const RenderContext& context, deUint32 internalFormat, size_t bufferSize, size_t offset, size_t size, const void* data = DE_NULL);
~TextureBuffer (void);
const tcu::PixelBufferAccess& getRefTexture (void) { return m_refTexture; }
const tcu::ConstPixelBufferAccess& getRefTexture (void) const { return m_refTexture; }
deUint8* getRefBuffer (void) { return &(m_refBuffer[0]); }
const deUint8* getRefBuffer (void) const { return &(m_refBuffer[0]); }
size_t getSize (void) const { return m_size; }
size_t getOffset (void) const { return m_offset; }
size_t getBufferSize (void) const { return m_refBuffer.size(); }
deUint32 getGLTexture (void) const { return m_glTexture; }
deUint32 getGLBuffer (void) const { return m_glBuffer; }
// \note Resizes reference buffer. Invalidates old pixel buffer acceses.
// \note Doesn't upload data.
void bufferData (const deUint8* data, size_t size);
void upload (void);
private:
void init (deUint32 internalFormat, size_t bufferSize, size_t offset, size_t size, const void* data);
TextureBuffer (const TextureBuffer& other); // Not allowed!
TextureBuffer& operator= (const TextureBuffer& other); // Not allowed!
const RenderContext& m_context;
deUint32 m_format; //!< Internal format.
std::vector<deUint8> m_refBuffer;
size_t m_offset;
size_t m_size;
tcu::PixelBufferAccess m_refTexture;
deUint32 m_glTexture;
deUint32 m_glBuffer;
};
} // glu
#endif // _GLUTEXTURE_HPP