Difference between revisions of "GLAPI/glGetFragDataLocation"

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== See Also ==
== See Also ==
{{apifunc|glCreateProgram}}, {{apifunc|glBindFragDataLocation}}
{{apifunc|glLinkProgram}}, {{apifunc|glBindFragDataLocation}}, {{apifunc|glBindFragDataLocationIndexed}}, {{apifunc|glGetFragDataIndex}}, {{apifunc|glGetProgramResource}}, {{apifunc|glGetProgramResourceLocation}}
== Copyright ==
== Copyright ==
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[[Category:Core API Reference|GetFragDataLocation]]
[[Category:Core API Reference|GetFragDataLocation]]
[[Category:Core API Ref Shader Program Creation|GetFragDataLocation]]
[[Category:Core API Ref Shader Program Query|GetFragDataLocation]]
[[Category:Program Object API State Functions|GetFragDataLocation]]

Latest revision as of 09:59, 15 August 2013

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​);
The name of the program containing varying out variable whose binding to query
The name of the user-defined varying out variable whose binding to query


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.


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

See Also

glLinkProgram, glBindFragDataLocation, glBindFragDataLocationIndexed, glGetFragDataIndex, glGetProgramResource, glGetProgramResourceLocation


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/.