glClearBufferData man page on RedHat
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GLCLEARBUFFERDATA(3G) OpenGL Manual GLCLEARBUFFERDATA(3G)
NAME
glClearBufferData - fill a buffer object's data store with a fixed
value
C SPECIFICATION
void glClearBufferData(GLenum target, GLenum internalformat,
GLenum format, GLenum type, const void * data);
PARAMETERS
target
Specify the target of the operation. target must be one of the
global buffer binding targets.
internalformat
The internal format with which the data will be stored in the
buffer object.
size
The size, in basic machine units of the range of the data store to
fill.
format
The format of the data in memory addressed by data.
type
The type of the data in memory addressed by data.
data
The address of a memory location storing the data to be replicated
into the buffer's data store.
DESCRIPTION
glClearBufferData fills the entirety of a buffer object's data store
with data from client memory. Data, initially supplied in a format
specified by format in data type type is read from the memory address
given by data and converted into the internal representation given by
internalforamt. This converted data is then replicated throughout the
buffer object's data store.
If data is NULL, then the buffer's data store is filled with zeros.
ERRORS
GL_INVALID_ENUM is generated if target not one of the generic buffer
binding targets.
GL_INVALID_VALUE is generated if no buffer is bound to target.
GL_INVALID_ENUM is generated if internalformat is not a sized internal
format.
GL_INVALID_OPERATION is generated if any part of the buffer's data
store is mapped with glMapBufferRange() or glMapBuffer.()
SEE ALSO
glClearBufferSubData().
COPYRIGHT
Copyright © 2011-2012 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 GLCLEARBUFFERDATA(3G)
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