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CentOS 7.0 - man page for glgetbufferpointerv (centos section 3g)

GLGETBUFFERPOINTERV(3G) 			    OpenGL Manual			      GLGETBUFFERPOINTERV(3G)

NAME
glGetBufferPointerv - return the pointer to a mapped buffer object's data store
C SPECIFICATION
void glGetBufferPointerv(GLenum target, GLenum pname, GLvoid ** params);
PARAMETERS
target Specifies the target buffer object. The symbolic constant must be GL_ARRAY_BUFFER, GL_ATOMIC_COUNTER_BUFFER, GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, GL_DRAW_INDIRECT_BUFFER, GL_DISPATCH_INDIRECT_BUFFER, GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER, GL_PIXEL_UNPACK_BUFFER, GL_SHADER_STORAGE_BUFFER, GL_TEXTURE_BUFFER, GL_TRANSFORM_FEEDBACK_BUFFER, or GL_UNIFORM_BUFFER. pname Specifies the pointer to be returned. The symbolic constant must be GL_BUFFER_MAP_POINTER. params Returns the pointer value specified by pname.
DESCRIPTION
glGetBufferPointerv returns pointer information. pname is a symbolic constant indicating the pointer to be returned, which must be GL_BUFFER_MAP_POINTER, the pointer to which the buffer object's data store is mapped. If the data store is not currently mapped, NULL is returned. params is a pointer to a location in which to place the returned pointer value.
NOTES
If an error is generated, no change is made to the contents of params. The initial value for the pointer is NULL. The GL_ATOMIC_COUNTER_BUFER target is available only if the GL version is 4.2 or greater. The GL_DISPATCH_INDIRECT_BUFFER and GL_SHADER_STORAGE_BUFFER targets are available only if the GL version is 4.3 or greater.
ERRORS
GL_INVALID_ENUM is generated if target or pname is not an accepted value. GL_INVALID_OPERATION is generated if the reserved buffer object name 0 is bound to target.
SEE ALSO
glBindBuffer(), glMapBuffer()
COPYRIGHT
Copyright (C) 2005 Addison-Wesley. 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 06/10/2014 GLGETBUFFERPOINTERV(3G)


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