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gl_texture_image Struct Reference

Texture image record. More...

#include <mtypes.h>

Data Fields
GLenum	Format
	Either GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_COLOR_INDEX or GL_DEPTH_COMPONENT only. More...
GLint	IntFormat
	Internal format as given by the user. More...
GLuint	Border
	0 or 1. More...
GLuint	Width
	= 2^WidthLog2 + 2*Border. More...
GLuint	Height
	= 2^HeightLog2 + 2*Border. More...
GLuint	Depth
	= 2^DepthLog2 + 2*Border. More...
GLuint	RowStride
	== Width unless IsClientData and padded. More...
GLuint	Width2
	= Width - 2*Border. More...
GLuint	Height2
	= Height - 2*Border. More...
GLuint	Depth2
	= Depth - 2*Border. More...
GLuint	WidthLog2
	= log2(Width2). More...
GLuint	HeightLog2
	= log2(Height2). More...
GLuint	DepthLog2
	= log2(Depth2). More...
GLuint	MaxLog2
	= MAX(WidthLog2, HeightLog2). More...
GLfloat	WidthScale
	used for mipmap LOD computation. More...
GLfloat	HeightScale
	used for mipmap LOD computation. More...
GLfloat	DepthScale
	used for mipmap LOD computation. More...
GLvoid *	Data
	Image data, accessed via FetchTexel(). More...
GLboolean	IsClientData
	Data owned by client? More...
GLboolean	_IsPowerOfTwo
	Are all dimensions powers of two? More...
const struct gl_texture_format *	TexFormat
gl_texture_object *	TexObject
	Pointer back to parent object. More...
FetchTexelFuncC	FetchTexelc
	GLchan texel fetch function pointer. More...
FetchTexelFuncF	FetchTexelf
	Float texel fetch function pointer. More...
GLboolean	IsCompressed
	GL_ARB_texture_compression. More...
GLuint	CompressedSize
	GL_ARB_texture_compression. More...
For device driver:
void *	DriverData
	Arbitrary device driver data. More...

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Detailed Description

Texture image record.

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Field Documentation

GLboolean gl_texture_image::_IsPowerOfTwo

Are all dimensions powers of two?

GLuint gl_texture_image::Border

0 or 1.

GLuint gl_texture_image::CompressedSize

GL_ARB_texture_compression.

GLvoid* gl_texture_image::Data

Image data, accessed via FetchTexel().

GLuint gl_texture_image::Depth

= 2^DepthLog2 + 2*Border.

GLuint gl_texture_image::Depth2

= Depth - 2*Border.

GLuint gl_texture_image::DepthLog2

= log2(Depth2).

GLfloat gl_texture_image::DepthScale

used for mipmap LOD computation.

void* gl_texture_image::DriverData

Arbitrary device driver data.

FetchTexelFuncC gl_texture_image::FetchTexelc

GLchan texel fetch function pointer.

FetchTexelFuncF gl_texture_image::FetchTexelf

Float texel fetch function pointer.

GLenum gl_texture_image::Format

Either GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_COLOR_INDEX or GL_DEPTH_COMPONENT only. Used for choosing TexEnv arithmetic.

GLuint gl_texture_image::Height

= 2^HeightLog2 + 2*Border.

GLuint gl_texture_image::Height2

= Height - 2*Border.

GLuint gl_texture_image::HeightLog2

= log2(Height2).

GLfloat gl_texture_image::HeightScale

used for mipmap LOD computation.

GLint gl_texture_image::IntFormat

Internal format as given by the user.

GLboolean gl_texture_image::IsClientData

Data owned by client?

GLboolean gl_texture_image::IsCompressed

GL_ARB_texture_compression.

GLuint gl_texture_image::MaxLog2

= MAX(WidthLog2, HeightLog2).

GLuint gl_texture_image::RowStride

== Width unless IsClientData and padded.

const struct gl_texture_format* gl_texture_image::TexFormat

struct gl_texture_object* gl_texture_image::TexObject

Pointer back to parent object.

GLuint gl_texture_image::Width

= 2^WidthLog2 + 2*Border.

GLuint gl_texture_image::Width2

= Width - 2*Border.

GLuint gl_texture_image::WidthLog2

= log2(Width2).

GLfloat gl_texture_image::WidthScale

used for mipmap LOD computation.

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The documentation for this struct was generated from the following file:

• mtypes.h

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