Difference between revisions of "GLAPI/glGetFragDataLocation"

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m (Renaming category: 'API Reference 4' to 'Core API Reference'.)
m (Renaming category: 'GL 4 API Shader Program Creation' to 'Core API Ref Shader Program Creation'.)
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Copyright © 2010 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. [http://opencontent.org/openpub/ http://opencontent.org/openpub/].
 
Copyright © 2010 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. [http://opencontent.org/openpub/ http://opencontent.org/openpub/].
  
[[Category:GL 4 API Shader Program Creation|GetFragDataLocation]]
 
 
[[Category:Core API Reference|GetFragDataLocation]]
 
[[Category:Core API Reference|GetFragDataLocation]]
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[[Category:Core API Ref Shader Program Creation|GetFragDataLocation]]

Revision as of 08:03, 26 February 2012

glGetFragDataLocation
Core in version 4.6
Core since version 3.0

glGetFragDataLocation: query the bindings of color numbers to user-defined varying out variables

Function Definition

 GLint glGetFragDataLocation(GLuint program, const char * name);
program
The name of the program containing varying out variable whose binding to query
name
The name of the user-defined varying out variable whose binding to query

Description

glGetFragDataLocation retrieves the assigned color number binding for the user-defined varying out variable name for program program. program must have previously been linked. name must be a null-terminated string. If name is not the name of an active user-defined varying out fragment shader variable within program, -1 will be returned.

Errors

GL_INVALID_OPERATION is generated if program is not the name of a program object.

See Also

glCreateProgram, glBindFragDataLocation

Copyright

Copyright © 2010 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.