GLAPI/glGetFragDataIndex: Difference between revisions
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== Errors == | == Errors == | ||
{{ | {{enum|GL_INVALID_OPERATION}} is generated if {{param|program}} is not the name of a program object. | ||
== See Also == | == See Also == | ||
{{apifunc| | {{apifunc|glLinkProgram}}, {{apifunc|glBindFragDataLocation}}, {{apifunc|glBindFragDataLocationIndexed}}, {{apifunc|glGetFragDataLocation}}, {{apifunc|glGetProgramResource}}, {{apifunc|glGetProgramResourceLocationIndex}} | ||
== Copyright == | == Copyright == | ||
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[[Category:Core API Reference|GetFragDataIndex]] | [[Category:Core API Reference|GetFragDataIndex]] | ||
[[Category:Core API Ref Shader Program | [[Category:Core API Ref Shader Program Query|GetFragDataIndex]] | ||
[[Category:Program Object API State Functions|GetFragDataIndex]] | |||
Latest revision as of 09:59, 15 August 2013
| Core in version | 4.6 | |
|---|---|---|
| Core since version | 3.3 | |
| Core ARB extension | ARB_blend_func_extended | |
glGetFragDataIndex: query the bindings of color indices to user-defined varying out variables
Function Definition
GLint glGetFragDataIndex(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 index to query
Description
glGetFragDataIndex returns the index of the fragment color to which the variable name was bound when the program object program was last linked. If name is not a varying out variable of program, or if an error occurs, -1 will be returned.
Notes
glGetFragDataIndex is available only if the GL version is 3.3 or greater.
Errors
GL_INVALID_OPERATION is generated if program is not the name of a program object.
See Also
glLinkProgram, glBindFragDataLocation, glBindFragDataLocationIndexed, glGetFragDataLocation, glGetProgramResource, glGetProgramResourceLocationIndex
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/.