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'''OpenGL extension APPLE.vertex_array_object
Overview (from the spec)
This extension introduces named vertex array objects which encapsulate
vertex array state on the client side. The main purpose of these
objects is to keep pointers to static vertex data and provide a name
for different sets of static vertex data.
By extending vertex array range functionality this extension allows multiple
vertex array ranges to exist at one time, including their complete sets of
state, in manner analogous to texture objects.
GenVertexArraysAPPLE creates a list of n number of vertex array object
names. After creating a name, BindVertexArrayAPPLE associates the name with
a vertex array object and selects this vertex array and it's associated
state as current. To get back to the default vertex array and its
associated state the client should bind to vertex array named 0.
Once a client is done using a vertex array object it can be deleted with
DeleteVertexArraysAPPLE. The client is responsible for allocating and
deallocating the memory used by the vertex array data, while the
DeleteVertexArraysAPPLE command deletes vertex array object names and
associated state only.
The official definition of this extension is available here:
http://oss.sgi.com/projects/ogl-sample/registry/APPLE/vertex_array_object.txt
Automatically generated by the get_gl_extensions script, do not edit!
'''
from OpenGL import platform, constants, constant, arrays
from OpenGL import extensions
from OpenGL.GL import glget
import ctypes
EXTENSION_NAME = 'GL_APPLE_vertex_array_object'
GL_VERTEX_ARRAY_BINDING_APPLE = constant.Constant( 'GL_VERTEX_ARRAY_BINDING_APPLE', 0x85B5 )
glBindVertexArrayAPPLE = platform.createExtensionFunction(
'glBindVertexArrayAPPLE', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=None,
argTypes=(constants.GLuint,),
doc = 'glBindVertexArrayAPPLE( GLuint(array) ) -> None',
argNames = ('array',),
)
glDeleteVertexArraysAPPLE = platform.createExtensionFunction(
'glDeleteVertexArraysAPPLE', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=None,
argTypes=(constants.GLsizei, arrays.GLuintArray,),
doc = 'glDeleteVertexArraysAPPLE( GLsizei(n), GLuintArray(arrays) ) -> None',
argNames = ('n', 'arrays',),
)
glGenVertexArraysAPPLE = platform.createExtensionFunction(
'glGenVertexArraysAPPLE', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=None,
argTypes=(constants.GLsizei, arrays.GLuintArray,),
doc = 'glGenVertexArraysAPPLE( GLsizei(n), GLuintArray(arrays) ) -> None',
argNames = ('n', 'arrays',),
)
glIsVertexArrayAPPLE = platform.createExtensionFunction(
'glIsVertexArrayAPPLE', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=constants.GLboolean,
argTypes=(constants.GLuint,),
doc = 'glIsVertexArrayAPPLE( GLuint(array) ) -> constants.GLboolean',
argNames = ('array',),
)
def glInitVertexArrayObjectAPPLE():
'''Return boolean indicating whether this extension is available'''
return extensions.hasGLExtension( EXTENSION_NAME )
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