def __enter__(self):
for idx in self.state:
texuint = 0
if hasattr(idx, "__len__"):
texunit = idx[1]
idx = idx[0]
if idx in self.ClientState:
if idx == gl.GL_TEXTURE_COORD_ARRAY:
gl.glClientActiveTexture(GL_TEXTURE0 + texunit)
gl.glEnableClientState(idx)
else:
gl.glEnable(idx)
def draw_arrays(primitive, verts=None, colors=None, tc0=None, tc1=None, tc2=None, tc3=None):
states = []
if verts is not None:
verts = ascont(verts)
assert verts.ndim >= 2 and verts.shape[-1] <= 4
gl.glVertexPointer( verts.shape[-1], arrayToGLType(verts), verts.strides[-2], verts.ctypes.data)
states.append( gl.GL_VERTEX_ARRAY )
if colors is not None:
colors = ascont(colors)
gl.glColorPointer( colors.shape[-1], arrayToGLType(colors), colors.strides[-2], colors.ctypes.data)
states.append( gl.GL_COLOR_ARRAY )
protect = []
for i, tc in enumerate([tc0, tc1, tc2, tc3]):
if tc is not None:
tc = ascont(tc)
protect.append(tc)
gl.glClientActiveTexture(GL_TEXTURE0 + i)
gl.glTexCoordPointer(tc.shape[-1], arrayToGLType(tc), tc.strides[-2], tc.ctypes.data)
states.append( (GL_TEXTURE_COORD_ARRAY, i) )
with glstate(*states):
gl.glDrawArrays( primitive, 0, np.prod(verts.shape[:-1]) )
