G
glGetError
Chapter 7
195
There is not enough memory left to execute the command. The state of the GL is
undefined, except for the state of the error flags, after this error is recorded.
When an error flag is set, results of a GL operation are undefined only if
GL_OUT_OF_MEMORY has occurred. In all other cases, the command generating the
error is ignored and has no effect on the GL state or frame buffer contents. If the
generating command returns a value, it returns 0. If glGetError itself generates an
error, it returns 0.
Errors
• GL_INVALID_OPERATION is generated if glGetError is executed between the
execution of glBegin and the corresponding execution of glEnd. In this case
glGetError returns 0.
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