GL_ARB_get_program_binary
http://www.opengl.org/registry/specs/ARB/get_program_binary.txt
GL_ARB_get_program_binary
GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
GL_PROGRAM_BINARY_LENGTH 0x8741
GL_NUM_PROGRAM_BINARY_FORMATS 0x87FE
GL_PROGRAM_BINARY_FORMATS 0x87FF
void glGetProgramBinary (GLuint program, GLsizei bufSize, GLsizei* length, GLenum *binaryFormat, GLvoid*binary)
void glProgramBinary (GLuint program, GLenum binaryFormat, const void* binary, GLsizei length)
void glProgramParameteri (GLuint program, GLenum pname, GLint value)