glGetProgramBinary - return a binary representation of a program object's
compiled and linked executable source
void glGetProgramBinary(GLuint program,
GLsizei bufSize, GLsizei *length,
Specifies the name of a program object whose binary
representation to retrieve.
Specifies the size of the buffer whose address is given
Specifies the address of a variable to receive the number
of bytes written into binary.
Specifies the address of a variable to receive a token
indicating the format of the binary data returned by the GL.
Specifies the address an array into which the GL will
return program's binary representation.
glGetProgramBinary returns a binary representation of the compiled and
linked executable for program into the array of bytes whose address is
specified in binary. The maximum number of bytes that may be written
into binary is specified by bufSize. If the program binary is
greater in size than bufSize bytes, then an error is generated,
otherwise the actual number of bytes written into binary is returned in
the variable whose address is given by length. If length is
NULL, then no length is returned.
The format of the program binary written into binary is
returned in the variable whose address is given by binaryFormat, and
may be implementation dependent. The binary produced by the GL may
subsequently be returned to the GL by calling glProgramBinary(), with
binaryFormat and length set to the values returned by
glGetProgramBinary, and passing the returned binary data in the
GL_INVALID_OPERATION is generated if bufSize is less than the size
of GL_PROGRAM_BINARY_LENGTH for program.
GL_INVALID_OPERATION is generated if GL_LINK_STATUS
for the program object is false.
glGetProgram() with argument GL_PROGRAM_BINARY_LENGTH
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v 1.0, 8 June 1999. http://opencontent.org/openpub/.
Copyright © 2010-2014 Khronos Group
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