Constructor

CoglAttributenew_const_1f

Declaration [src]

CoglAttribute*
cogl_attribute_new_const_1f (
  CoglContext* context,
  const char* name,
  float value
)

Description [src]

Creates a new, single component, attribute whose value remains constant across all the vertices of a primitive without needing to duplicate the value for each vertex.

The constant value is a single precision floating point scalar which should have a corresponding declaration in GLSL code like:

[| attribute float name; |]

Parameters

context

Type: CoglContext

A CoglContext.

The data is owned by the caller of the function.
name

Type: const char*

The name of the attribute (used to reference it from GLSL)

The data is owned by the caller of the function.
The value is a NUL terminated UTF-8 string.
value

Type: float

The constant value for the attribute.

Return value

Type: CoglAttribute

A newly allocated CoglAttribute representing the given constant value.

The caller of the function takes ownership of the data, and is responsible for freeing it.