Functions for working with textures. More...

#include <Texture.h>

Static Public Member Functions
static bool	isETCSupported (bool verbose=false)
	Reports whether or not ETC (Ericsson Texture Compression) is supported. More...

static void	createTexture (unsigned int width, unsigned int height, GLvoid **textureData)
	Create a texture using random data. More...

static void	createTexture (unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData)
	Create a 1 component texture of uniform colour. More...

static void	createTexture (unsigned int width, unsigned int height, short red, short **textureData)
	Create uniform texture using given color with 1 short integer components. More...

static void	deleteTextureData (GLvoid **textureData)
	Deletes previously created texture. More...

static void	loadData (const char filename, unsigned char *textureData)
	Load texture data from a file into memory. More...

static void	loadPKMData (const char filename, ETCHeader etcHeader, unsigned char **textureData)
	Load header and texture data from a pkm file into memory. More...

static void	loadCompressedMipmaps (const char filenameBase, const char filenameSuffix, GLuint *textureID)
	Load compressed mipmaps into memory. More...

static void	reversePixelLine (float destination, const float source, int lineWidth)
	Copies float pixel data of one line of the image from source to destination in the reverse direction. More...

static bool	isETCSupported (bool verbose=false)
	Reports whether or not ETC (Ericsson Texture Compression) is supported. More...

static void	createTexture (unsigned int width, unsigned int height, GLvoid **textureData)
	Create a texture using random data. More...

static void	createTexture (unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData)
	Create a 1 component texture of uniform colour. More...

static void	createTexture (unsigned int width, unsigned int height, short red, short **textureData)
	Create uniform texture using given color with 1 short integer components. More...

static void	deleteTextureData (GLvoid **textureData)
	Deletes previously created texture. More...

static void	loadData (const char filename, unsigned char *textureData)
	Load texture data from a file into memory. More...

static void	loadPKMData (const char filename, ETCHeader etcHeader, unsigned char **textureData)
	Load header and texture data from a pkm file into memory. More...

static void	reversePixelLine (float destination, const float source, int lineWidth)
	Copies float pixel data of one line of the image from source to destination in the reverse direction. More...

static void	createTexture (unsigned int width, unsigned int height, GLvoid **textureData)
	Create a texture using random data. More...

static void	createTexture (unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData)
	Create a 1 component texture of uniform colour. More...

static void	createTexture (unsigned int width, unsigned int height, short red, short **textureData)
	Create uniform texture using given color with 1 short integer components. More...

static void	deleteTextureData (GLvoid **textureData)
	Deletes previously created texture. More...

static bool	isETCSupported (bool verbose=false)
	Reports whether or not ETC (Ericsson Texture Compression) is supported. More...

static void	createTexture (unsigned int width, unsigned int height, GLvoid **textureData)
	Create a texture using random data. More...

static void	createTexture (unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData)
	Create a 1 component texture of uniform colour. More...

static void	createTexture (unsigned int width, unsigned int height, short red, short **textureData)
	Create uniform texture using given color with 1 short integer components. More...

static void	deleteTextureData (GLvoid **textureData)
	Deletes previously created texture. More...

static void	loadData (const char filename, unsigned char *textureData)
	Load texture data from a file into memory. More...

static void	reversePixelLine (float destination, const float source, int lineWidth)
	Copies float pixel data of one line of the image from source to destination in the reverse direction. More...

static bool	isETCSupported (bool verbose=false)
	Reports whether or not ETC (Ericsson Texture Compression) is supported. More...

static void	createTexture (unsigned int width, unsigned int height, GLvoid **textureData)
	Create a texture using random data. More...

static void	createTexture (unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData)
	Create a 1 component texture of uniform colour. More...

static void	createTexture (unsigned int width, unsigned int height, short red, short **textureData)
	Create uniform texture using given color with 1 short integer components. More...

static void	deleteTextureData (GLvoid **textureData)
	Deletes previously created texture. More...

static void	loadData (const char filename, unsigned char *textureData)
	Load texture data from a file into memory. More...

static void	reversePixelLine (float destination, const float source, int lineWidth)
	Copies float pixel data of one line of the image from source to destination in the reverse direction. More...

static void	loadBmpImageData (const char fileName, int imageWidthPtr, int imageHeightPtr, unsigned char *textureDataPtrPtr)
	Load BMP texture data from a file into memory. More...

static void	loadBmpImageData (const char fileName, int imageWidthPtr, int imageHeightPtr, unsigned char *textureDataPtrPtr)
	Load BMP texture data from a file into memory. More...

Static Private Member Functions
static void	getCompressedTextureFormats (GLint *textureFormats, int numberOfTextureFormats)
	Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves. More...

static void	getCompressedTextureFormats (GLint *textureFormats, int numberOfTextureFormats)
	Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves. More...

static void	getCompressedTextureFormats (GLint *textureFormats, int numberOfTextureFormats)
	Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves. More...

static void	getCompressedTextureFormats (GLint *textureFormats, int numberOfTextureFormats)
	Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves. More...

static void	readBitmapFileHeader (FILE filePtr, tagBITMAPFILEHEADER bitmapFileHeaderPtr)
	Read BMP file header. More...

static void	readBitmapInforHeader (FILE filePtr, tagBITMAPINFOHEADER bitmapInfoHeaderPtr)
	Read BMP info header. More...

static void	readBitmapFileHeader (FILE filePtr, tagBITMAPFILEHEADER bitmapFileHeaderPtr)
	Read BMP file header. More...

static void	readBitmapInforHeader (FILE filePtr, tagBITMAPINFOHEADER bitmapInfoHeaderPtr)
	Read BMP info header. More...

Detailed Description

Functions for working with textures.

Definition at line 39 of file Texture.h.

Member Function Documentation

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		GLvoid **	textureData
	)

static

Create a texture using random data.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	textureData	A pointer to the created texture data.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		unsigned int	red,
		GLvoid **	textureData
	)

static

Create a 1 component texture of uniform colour.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		GLvoid **	textureData
	)

static

Create a texture using random data.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	textureData	A pointer to the created texture data.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		GLvoid **	textureData
	)

static

Create a texture using random data.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	textureData	A pointer to the created texture data.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		GLvoid **	textureData
	)

static

Create a texture using random data.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	textureData	A pointer to the created texture data.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		short	red,
		short **	textureData
	)

static

Create uniform texture using given color with 1 short integer components.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		unsigned int	red,
		GLvoid **	textureData
	)

static

Create a 1 component texture of uniform colour.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		GLvoid **	textureData
	)

static

Create a texture using random data.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	textureData	A pointer to the created texture data.

Definition at line 103 of file Texture.cpp.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		unsigned int	red,
		GLvoid **	textureData
	)

static

Create a 1 component texture of uniform colour.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		unsigned int	red,
		GLvoid **	textureData
	)

static

Create a 1 component texture of uniform colour.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		short	red,
		short **	textureData
	)

static

Create uniform texture using given color with 1 short integer components.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		unsigned int	red,
		GLvoid **	textureData
	)

static

Create a 1 component texture of uniform colour.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

Definition at line 129 of file Texture.cpp.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		short	red,
		short **	textureData
	)

static

Create uniform texture using given color with 1 short integer components.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

static void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		short	red,
		short **	textureData
	)

static

Create uniform texture using given color with 1 short integer components.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

void MaliSDK::Texture::createTexture	(	unsigned int	width,
		unsigned int	height,
		short	red,
		short **	textureData
	)

static

Create uniform texture using given color with 1 short integer components.

Parameters

[in]	width	The required width of the texture.
[in]	height	The required height of the texture.
[in]	red	The required red channel.
[out]	textureData	Output texture.

Definition at line 146 of file Texture.cpp.

static void MaliSDK::Texture::deleteTextureData ( GLvoid ** textureData )

static

Deletes previously created texture.

Parameters

[in] textureData Texture to be deleted.

static void MaliSDK::Texture::deleteTextureData ( GLvoid ** textureData )

static

Deletes previously created texture.

Parameters

[in] textureData Texture to be deleted.

static void MaliSDK::Texture::deleteTextureData ( GLvoid ** textureData )

static

Deletes previously created texture.

Parameters

[in] textureData Texture to be deleted.

static void MaliSDK::Texture::deleteTextureData ( GLvoid ** textureData )

static

Deletes previously created texture.

Parameters

[in] textureData Texture to be deleted.

void MaliSDK::Texture::deleteTextureData ( GLvoid ** textureData )

static

Deletes previously created texture.

Parameters

[in] textureData Texture to be deleted.

Definition at line 162 of file Texture.cpp.

static void MaliSDK::Texture::getCompressedTextureFormats	(	GLint **	textureFormats,
		int *	numberOfTextureFormats
	)

staticprivate

Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves.

Calls glGetIntegerv with GL_NUM_COMPRESSED_TEXTURE_FORMATS and GL_COMPRESSED_TEXTURE_FORMATS.

Parameters

[out]	textureFormats	Pointer to the array of texture formats.
[out]	numberOfTextureFormats	Pointer to the number of compressed texture formats.

static void MaliSDK::Texture::getCompressedTextureFormats	(	GLint **	textureFormats,
		int *	numberOfTextureFormats
	)

staticprivate

Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves.

Calls glGetIntegerv with GL_NUM_COMPRESSED_TEXTURE_FORMATS and GL_COMPRESSED_TEXTURE_FORMATS.

Parameters

[out]	textureFormats	Pointer to the array of texture formats.
[out]	numberOfTextureFormats	Pointer to the number of compressed texture formats.

static void MaliSDK::Texture::getCompressedTextureFormats	(	GLint **	textureFormats,
		int *	numberOfTextureFormats
	)

staticprivate

Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves.

Calls glGetIntegerv with GL_NUM_COMPRESSED_TEXTURE_FORMATS and GL_COMPRESSED_TEXTURE_FORMATS.

Parameters

[out]	textureFormats	Pointer to the array of texture formats.
[out]	numberOfTextureFormats	Pointer to the number of compressed texture formats.

void MaliSDK::Texture::getCompressedTextureFormats	(	GLint **	textureFormats,
		int *	numberOfTextureFormats
	)

staticprivate

Uses glGetIntegerv to get the number of compressed texture formats and the formats themselves.

Calls glGetIntegerv with GL_NUM_COMPRESSED_TEXTURE_FORMATS and GL_COMPRESSED_TEXTURE_FORMATS.

Parameters

[out]	textureFormats	Pointer to the array of texture formats.
[out]	numberOfTextureFormats	Pointer to the number of compressed texture formats.

Definition at line 38 of file Texture.cpp.

static bool MaliSDK::Texture::isETCSupported ( bool verbose = false )

static

Reports whether or not ETC (Ericsson Texture Compression) is supported.

Uses getCompressedTextureFormats to get the list of supported compression formats and then checks to see if any of them are GL_ETC1_RGB8_OES.

Parameters

[in] verbose If true, prints out the number of supported texture compression formats and then lists the formats supported.

static bool MaliSDK::Texture::isETCSupported ( bool verbose = false )

static

Reports whether or not ETC (Ericsson Texture Compression) is supported.

Uses getCompressedTextureFormats to get the list of supported compression formats and then checks to see if any of them are GL_ETC1_RGB8_OES.

Parameters

[in] verbose If true, prints out the number of supported texture compression formats and then lists the formats supported.

static bool MaliSDK::Texture::isETCSupported ( bool verbose = false )

static

Reports whether or not ETC (Ericsson Texture Compression) is supported.

Uses getCompressedTextureFormats to get the list of supported compression formats and then checks to see if any of them are GL_ETC1_RGB8_OES.

Parameters

[in] verbose If true, prints out the number of supported texture compression formats and then lists the formats supported.

bool MaliSDK::Texture::isETCSupported ( bool verbose = false )

static

Reports whether or not ETC (Ericsson Texture Compression) is supported.

Uses getCompressedTextureFormats to get the list of supported compression formats and then checks to see if any of them are GL_ETC1_RGB8_OES.

Parameters

[in] verbose If true, prints out the number of supported texture compression formats and then lists the formats supported.

Definition at line 46 of file Texture.cpp.

void MaliSDK::Texture::loadBmpImageData	(	const char *	fileName,
		int *	imageWidthPtr,
		int *	imageHeightPtr,
		unsigned char **	textureDataPtrPtr
	)

static

Load BMP texture data from a file into memory.

Parameters

fileName	The filename of the texture to be loaded. Cannot be NULL.
imageWidthPtr	Deref will be used to store image width.
imageHeightPtr	Deref will be used to store image height.
textureDataPtrPtr	Pointer to a memory where loaded texture data will be stored. Cannot be NULL.

Definition at line 26 of file Texture.cpp.

static void MaliSDK::Texture::loadBmpImageData	(	const char *	fileName,
		int *	imageWidthPtr,
		int *	imageHeightPtr,
		unsigned char **	textureDataPtrPtr
	)

static

Load BMP texture data from a file into memory.

Parameters

fileName	The filename of the texture to be loaded. Cannot be NULL.
imageWidthPtr	Deref will be used to store image width.
imageHeightPtr	Deref will be used to store image height.
textureDataPtrPtr	Pointer to a memory where loaded texture data will be stored. Cannot be NULL.

void MaliSDK::Texture::loadCompressedMipmaps	(	const char *	filenameBase,
		const char *	filenameSuffix,
		GLuint *	textureID
	)

static

Load compressed mipmaps into memory.

Load the base level, calculate how many Mipmap levels there are. Load the PKM files into memory. Load the data into the texture mipmap levels.

Parameters

[in]	filenameBase	The base filename of the texture mipmap levels. Will have the mipmap level number appended to it to load all of the mipmap levels. For example, if filenameBase = "texture_", this method will try to load the files "texture_0", "texture_1", "texture_2", etc..
[in]	filenameSuffix	Any suffix to the mipmap filenames. Most commonly used for file extensions. For example, if filenameSuffix = ".pkm", this method will append ".pkm" to all the files it tries to load.
[out]	textureID	The texture ID of the texture that has been loaded.

Definition at line 232 of file Texture.cpp.

static void MaliSDK::Texture::loadData	(	const char *	filename,
		unsigned char **	textureData
	)

static

Load texture data from a file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	textureData	Pointer to the texture that has been loaded.

static void MaliSDK::Texture::loadData	(	const char *	filename,
		unsigned char **	textureData
	)

static

Load texture data from a file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	textureData	Pointer to the texture that has been loaded.

static void MaliSDK::Texture::loadData	(	const char *	filename,
		unsigned char **	textureData
	)

static

Load texture data from a file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	textureData	Pointer to the texture that has been loaded.

void MaliSDK::Texture::loadData	(	const char *	filename,
		unsigned char **	textureData
	)

static

Load texture data from a file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	textureData	Pointer to the texture that has been loaded.

Definition at line 167 of file Texture.cpp.

static void MaliSDK::Texture::loadPKMData	(	const char *	filename,
		ETCHeader *	etcHeader,
		unsigned char **	textureData
	)

static

Load header and texture data from a pkm file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	etcHeader	Pointer to the header that has been loaded.
[out]	textureData	Pointer to the texture that has been loaded.

void MaliSDK::Texture::loadPKMData	(	const char *	filename,
		ETCHeader *	etcHeader,
		unsigned char **	textureData
	)

static

Load header and texture data from a pkm file into memory.

Parameters

[in]	filename	The filename of the texture to load.
[out]	etcHeader	Pointer to the header that has been loaded.
[out]	textureData	Pointer to the texture that has been loaded.

Definition at line 199 of file Texture.cpp.

void MaliSDK::Texture::readBitmapFileHeader	(	FILE *	filePtr,
		tagBITMAPFILEHEADER *	bitmapFileHeaderPtr
	)

staticprivate

Read BMP file header.

Parameters

filePtr	File pointer where BMP file header data is stored. Cannot be NULL.
bitmapFileHeaderPtr	Deref will be used to store loaded data. Cannot be NULL.

Definition at line 94 of file Texture.cpp.

static void MaliSDK::Texture::readBitmapFileHeader	(	FILE *	filePtr,
		tagBITMAPFILEHEADER *	bitmapFileHeaderPtr
	)

staticprivate

Read BMP file header.

Parameters

filePtr	File pointer where BMP file header data is stored. Cannot be NULL.
bitmapFileHeaderPtr	Deref will be used to store loaded data. Cannot be NULL.

void MaliSDK::Texture::readBitmapInforHeader	(	FILE *	filePtr,
		tagBITMAPINFOHEADER *	bitmapInfoHeaderPtr
	)

staticprivate

Read BMP info header.

Parameters

filePtr	File pointer where BMP info header data is stored. Cannot be NULL.
bitmapInfoHeaderPtr	Deref will be used to store loaded data. Cannot be NULL.

Definition at line 112 of file Texture.cpp.

static void MaliSDK::Texture::readBitmapInforHeader	(	FILE *	filePtr,
		tagBITMAPINFOHEADER *	bitmapInfoHeaderPtr
	)

staticprivate

Read BMP info header.

Parameters

filePtr	File pointer where BMP info header data is stored. Cannot be NULL.
bitmapInfoHeaderPtr	Deref will be used to store loaded data. Cannot be NULL.

static void MaliSDK::Texture::reversePixelLine	(	float *	destination,
		const float *	source,
		int	lineWidth
	)

static

Copies float pixel data of one line of the image from source to destination in the reverse direction.

Parameters

[out]	destination	Place in memory where the reversed data will be copied to. Cannot be NULL.
[in]	source	Place from which the copying should start from. Cannot be NULL.
[in]	lineWidth	Number of RGB pixels that will be copied.

static void MaliSDK::Texture::reversePixelLine	(	float *	destination,
		const float *	source,
		int	lineWidth
	)

static

Copies float pixel data of one line of the image from source to destination in the reverse direction.

Parameters

[out]	destination	Place in memory where the reversed data will be copied to. Cannot be NULL.
[in]	source	Place from which the copying should start from. Cannot be NULL.
[in]	lineWidth	Number of RGB pixels that will be copied.

static void MaliSDK::Texture::reversePixelLine	(	float *	destination,
		const float *	source,
		int	lineWidth
	)

static

Copies float pixel data of one line of the image from source to destination in the reverse direction.

Parameters

[out]	destination	Place in memory where the reversed data will be copied to. Cannot be NULL.
[in]	source	Place from which the copying should start from. Cannot be NULL.
[in]	lineWidth	Number of RGB pixels that will be copied.

void MaliSDK::Texture::reversePixelLine	(	float *	destination,
		const float *	source,
		int	lineWidth
	)

static

Copies float pixel data of one line of the image from source to destination in the reverse direction.

Parameters

[out]	destination	Place in memory where the reversed data will be copied to. Cannot be NULL.
[in]	source	Place from which the copying should start from. Cannot be NULL.
[in]	lineWidth	Number of RGB pixels that will be copied.

Definition at line 318 of file Texture.cpp.

The documentation for this class was generated from the following files:

/mnt/d/working/gitlab/opengles-sdk-android/samples/advanced_samples/common_native/inc/Texture.h
/mnt/d/working/gitlab/opengles-sdk-android/samples/advanced_samples/common_native/src/Texture.cpp

Static Public Member Functions

Static Private Member Functions

Detailed Description

Member Function Documentation