GLGETFRAGDATAINDEX - Online Linux Manual PageSection : 3G
Updated : 01/20/2022
Source : [FIXME: source]
Note : [FIXME: manual]

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NAMEglGetFragDataIndex − query the bindings of color indices to user−defined varying out variables

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C SPECIFICATIONGLint glGetFragDataIndex(GLuint program, const char * name);

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PARAMETERSprogram 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

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DESCRIPTIONglGetFragDataIndex 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​.

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NOTESglGetFragDataIndex is available only if the GL version is 3​.3 or greater​.

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

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VERSION SUPPORT OpenGL Version Function / Feature Name 2​.0 none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'> 2​.1 3​.0 3​.1 3​.2 3​.3 4​.0 4​.1 4​.2 4​.3 4​.4 4​.5 glGetFragDataIndex − − − − ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

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SEE ALSOglCreateProgram(), glBindFragDataLocation(), glBindFragDataLocationIndexed(), glGetFragDataLocation()

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COPYRIGHTCopyright © 2010−2014 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/​.

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