get_uniform_location
Description:
Retrieve the location (offset) of a uniform variable in a shader program, a uniform is a variable that is constant for all vertices/fragments for a shader object and is possible to modify as an external parameter.
Note:
Use CoglSnippet api instead
Parameters:
| uniform_name |
the name of a uniform. |
| handle |
a VertexBufferIndices for a shader program. |
Returns:
|
the offset of a uniform in a specified program. This uniform can be set using uniform_1f when the program is in use. |