OpenGL utility class. More...

#include <opengl1.h>

Friends
class	CL_GL1GraphicContextProvider
Attributes

static CL_GL1Functions *	functions
	Function table for OpenGL 2.0.
static CL_GL1ProcAddress *	get_proc_address (const CL_String8 &function_name)
	Get OpenGL extension specific function address.
static int	get_textureformat_bits (CL_TextureFormat format)
	Returns the number of bits in a texture format.
static bool	to_opengl_pixelformat (const CL_PixelBuffer &pbuffer, GLenum &format, GLenum &type)
	Get a OpenGL format out of a pixel format.
static bool	to_opengl_pixelformat (CL_TextureFormat texture_format, GLenum &format, GLenum &type)
	Get a OpenGL format out of a pixel format.
static void	to_opengl_textureformat (CL_TextureFormat format, GLint &gl_internal_format, GLenum &gl_pixel_format)
	To opengl textureformat.
static void	set_active (CL_GraphicContext &gc)
	Sets the thread's OpenGL context to the one used by the graphic context.
static void	set_active (const CL_GL1GraphicContextProvider *const gc_provider)
	Sets the thread's OpenGL context to the one used by the graphic context.
static bool	set_active ()
	Sets the thread's OpenGL context to the first valid allocated one.

Detailed Description

OpenGL utility class.

Member Function Documentation

static CL_GL1ProcAddress* CL_GL1::get_proc_address ( const CL_String8 & function_name ) [static]

Get OpenGL extension specific function address.

static int CL_GL1::get_textureformat_bits ( CL_TextureFormat format ) [static]

Returns the number of bits in a texture format.

static void CL_GL1::set_active ( const CL_GL1GraphicContextProvider *const gc_provider ) [static]

Sets the thread's OpenGL context to the one used by the graphic context.

static bool CL_GL1::set_active ( ) [static]

Sets the thread's OpenGL context to the first valid allocated one.

If a valid OpenGL context is not found, then "no render context" is set.

Returns:: true = Success. false = No OpenGL contexts could be found

static void CL_GL1::set_active ( CL_GraphicContext & gc ) [static]

Sets the thread's OpenGL context to the one used by the graphic context.

static bool CL_GL1::to_opengl_pixelformat	(	CL_TextureFormat	texture_format,
		GLenum &	format,
		GLenum &	type
	)			`[static]`

Get a OpenGL format out of a pixel format.

The function returns false if pixelformat color depth is not convertible to OpenGL pixel format, otherwise the format and type are returned with values in format and type.

static bool CL_GL1::to_opengl_pixelformat	(	const CL_PixelBuffer &	pbuffer,
		GLenum &	format,
		GLenum &	type
	)			`[static]`

Get a OpenGL format out of a pixel format.

The function returns false if pixelformat color depth is not convertible to OpenGL pixel format, otherwise the format and type are returned with values in format and type.