glGetDebugMessageLog man page on RedHat
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GLGETDEBUGMESSAGELOG(3G) OpenGL Manual GLGETDEBUGMESSAGELOG(3G)
NAME
glGetDebugMessageLog - retrieve messages from the debug message log
C SPECIFICATION
GLuint glGetDebugMessageLog(GLuint count, GLsizei bufSize,
GLenum *sources, Glenum *types,
GLuint *ids, GLenum *severities,
GLsizei *lengths, GLchar *messageLog);
PARAMETERS
count
The number of debug messages to retrieve from the log.
bufSize
The size of the buffer whose address is given by messageLog.
sources
The address of an array of variables to receive the sources of the
retrieved messages.
types
The address of an array of variables to receive the types of the
retrieved messages.
ids
The address of an array of unsigned integers to receive the ids of
the retrieved messages.
severities
The address of an array of variables to receive the severites of
the retrieved messages.
lengths
The address of an array of variables to receive the lengths of the
received messages.
messageLog
The address of an array of characters that will receive the
messages.
DESCRIPTION
glGetDebugMessageLog retrieves messages from the debug message log. A
maximum of count messages are retrieved from the log. If sources is not
NULL then the source of each message is written into up to count
elements of the array. If types is not NULL then the type of each
message is written into up to count elements of the array. If id is not
NULL then the identifier of each message is written into up to count
elements of the array. If severities is not NULL then the severity of
each message is written into up to count elements of the array. If
lengths is not NULL then the length of each message is written into up
to count elements of the array.
messageLog specifies the address of a character array into which the
debug messages will be written. Each message will be concatenated onto
the array starting at the first element of messageLog. bufSize
specifies the size of the array messageLog. If a message will not fit
into the remaining space in messageLog then the function terminates and
returns the number of messages written so far, which may be zero.
If glGetDebugMessageLog returns zero then no messages are present in
the debug log, or there was not enough space in messageLog to retrieve
the first message in the queue. If messageLog is NULL then no messages
are written and the value of bufSize is ignored.
NOTES
Although debug messages may be enabled in a non-debug context, the
quantity and detail of such messages may be substantially inferior to
those in a debug context. In particular, a valid implementation of the
debug message queue in a non-debug context may produce no messages at
all.
ERRORS
GL_INVALID_VALUE is generated if count or bufSize is negative.
ASSOCIATED GETS
glGet() with argument GL_DEBUG_LOGGED_MESSAGES
glGet() with argument GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH
glGet() with argument GL_MAX_DEBUG_MESSAGE_LENGTH
glGet() with argument GL_MAX_DEBUG_LOGGED_MESSAGES
SEE ALSO
glDebugMessageInsert(), glDebugMessageCallback(),
glDebugMessageControl().
COPYRIGHT
Copyright © 2012 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/.
AUTHORS
opengl.org
opengl.org 03/16/2013 GLGETDEBUGMESSAGELOG(3G)
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