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Class CL_ProgramObject

OpenGL Program Object. More...

Derived from:	None
Derived by:	None
Group:	Display (Display)

#include <ClanLib/display.h>

Class Members:

Construction:
CL_ProgramObject	Construct OpenGL program object.
load
load_and_link

Attributes:
is_null	Returns true if the Program object is a dummy.
get_handle	Returns the OpenGL program object handle.
get_shaders	Returns the shaders attached to the program object.
get_info_log	Returns the current info log for the program object.
get_attribute_count	Returns the count of active attributes.
get_attributes	Returns the active attributes.
get_attribute_location	Returns the location of a named active attribute.
get_uniform_count	Returns the count of active uniform variables.
get_uniforms	Returns the active uniforms.
get_uniform_location	Returns the location of a named uniform variable.

Operations:
attach	Add shader to program object.
detach	Remove shader from program object.
bind_attribute_location	Bind attribute to specific location.
link	Link program.
validate	Validate program.
set_uniform	Set uniform variable(s).
set_uniform_matrix	Set uniform matrices.

Detailed description:

The shader objects that are to be used by programmable stages of OpenGL are collected together to form a program object. CL_ProgramObject is ClanLib's C++ interface to OpenGL program objects.

To construct a program object programatically, the procedure is as follows:

For more information about program objects, see the OpenGL 2.0 specification at . Documentation about the OpenGL Shader Language (GLSL) is also available from www.opengl.org.