def _test_functonality(backend):
""" Create app and canvas so we have a context. Then run tests.
"""
# use the backend
gl.use(backend)
with Canvas() as canvas:
_clear_screen()
# Prepare
w, h = canvas.size
gl.glViewport(0, 0, w, h)
gl.glScissor(0, 0, w, h) # touch
gl.glClearColor(0.0, 0.0, 0.0, 1.0)
# Setup visualization, ensure to do it in a draw event
objects = _prepare_vis()
_clear_screen()
_draw1()
_clear_screen()
_draw2()
_clear_screen()
_draw3()
# Clean up
for delete_func, handle in objects:
delete_func(handle)
gl.glFinish()
def _test_functonality(backend):
""" Create app and canvas so we have a context. Then run tests.
"""
# use the backend
gl.use(backend)
# Note that we explicitly use pyglet because with Qt we seem
# to get errors for this test
with app_opengl_context('qt') as context:
_clear_screen()
# Prepare
w, h = context.c.size
gl.glViewport(0, 0, w, h)
gl.glScissor(0, 0, w, h) # touch
gl.glClearColor(0.0, 0.0, 0.0, 1.0)
# Setup visualization, ensure to do it in a paint event
objects = context.test(_prepare_vis)
_clear_screen()
# Draw 1
context.test(_draw1)
if SHOW:
context.c.swap_buffers()
app.process_events()
time.sleep(1.0)
_clear_screen()
# Draw 2
context.test(_draw2)
if SHOW:
context.c.swap_buffers()
app.process_events()
time.sleep(1.0)
_clear_screen()
# Draw 3
context.test(_draw3)
if SHOW:
context.c.swap_buffers()
app.process_events()
time.sleep(1.0)
# Clean up
for delete_func, handle in objects:
delete_func(handle)
def _test_basics(backend):
""" Create app and canvas so we have a context. Then run tests.
"""
# use the backend
gl.use(backend)
with app_opengl_context():
_test_setting_parameters()
_test_enabling_disabling()
_test_setting_stuff()
_test_object_creation_and_deletion()
_test_fbo()
def test_use_desktop():
""" Using that gl.use injects all names in gl namespace """
# Use desktop
gl.use('desktop')
#
for name in dir(gl.desktop):
if name.lower().startswith('gl'):
val1 = getattr(gl, name)
val2 = getattr(gl.desktop, name)
assert_is(val1, val2)
# Use pyopengl
gl.use('pyopengl')
#
for name in dir(gl.desktop):
if name.lower().startswith('gl'):
val1 = getattr(gl, name)
val2 = getattr(gl.pyopengl, name)
assert_is(val1, val2)
# Touch debug wrapper stuff
gl.use('desktop debug')
# Use desktop again
gl.use('desktop')
#
for name in dir(gl.desktop):
if name.lower().startswith('gl'):
val1 = getattr(gl, name)
val2 = getattr(gl.desktop, name)
assert_is(val1, val2)
def test_wrappers():
"""Test gloo wrappers"""
with Canvas():
gl.use('desktop debug')
# check presets
assert_raises(ValueError, gloo.set_state, preset='foo')
for state in gloo.get_state_presets().keys():
gloo.set_state(state)
assert_raises(ValueError, gloo.set_blend_color, (0., 0.)) # bad color
assert_raises(TypeError, gloo.set_hint, 1, 2) # need strs
assert_raises(TypeError, gloo.get_parameter, 1) # need str
# this doesn't exist in ES 2.0 namespace
assert_raises(ValueError, gloo.set_hint, 'fog_hint', 'nicest')
# test bad enum
assert_raises(RuntimeError, gloo.set_line_width, -1)
# check read_pixels
assert_true(isinstance(gloo.read_pixels(), np.ndarray))
assert_true(isinstance(gloo.read_pixels((0, 0, 1, 1)), np.ndarray))
assert_raises(ValueError, gloo.read_pixels, (0, 0, 1)) # bad port
# now let's (indirectly) check our set_* functions
viewport = (0, 0, 1, 1)
blend_color = (0., 0., 0.)
_funs = dict(viewport=viewport, # checked
hint=('generate_mipmap_hint', 'nicest'),
depth_range=(1., 2.),
front_face='cw', # checked
cull_face='front',
line_width=1.,
polygon_offset=(1., 1.),
blend_func=('zero', 'one'),
blend_color=blend_color,
blend_equation='func_add',
scissor=(0, 0, 1, 1),
stencil_func=('never', 1, 2, 'back'),
stencil_mask=4,
stencil_op=('zero', 'zero', 'zero', 'back'),
depth_func='greater',
depth_mask=True,
color_mask=(True, True, True, True),
sample_coverage=(0.5, True))
gloo.set_state(**_funs)
gloo.clear((1., 1., 1., 1.), 0.5, 1)
gloo.flush()
gloo.finish()
# check some results
assert_array_equal(gloo.get_parameter('viewport'), viewport)
assert_equal(gloo.get_parameter('front_face'), gl.GL_CW)
assert_equal(gloo.get_parameter('blend_color'), blend_color + (1,))
import sys
from numpy.testing import assert_array_equal
from nose.tools import assert_equal, assert_true, assert_raises
from vispy.app import Application, Canvas, Timer, MouseEvent, KeyEvent
from vispy.app.base import BaseApplicationBackend
from vispy.util.testing import requires_pyglet, requires_qt, requires_glfw, requires_glut, requires_application # noqa
from vispy.gloo.program import Program, VertexBuffer, IndexBuffer
from vispy.gloo.shader import VertexShader, FragmentShader
from vispy.util.testing import assert_in, assert_is
from vispy.gloo.util import _screenshot
from vispy.gloo import gl
gl.use("desktop debug")
def on_nonexist(self, *args):
return
def on_mouse_move(self, *args):
return
def _on_mouse_move(self, *args):
return
def _test_callbacks(canvas):
def teardown_module():
gl.use() # Reset to default
def tearDown(self):
gl.use('desktop')
def tearDown(self):
gl.use('desktop')
from time import sleep
from numpy.testing import assert_array_equal
from nose.tools import assert_equal, assert_true, assert_raises
from vispy.app import default_app, Canvas, Timer, MouseEvent, KeyEvent
from vispy.app.base import BaseApplicationBackend
from vispy.testing import requires_application, SkipTest, assert_is, assert_in
from vispy.util import keys, use_log_level
from vispy.gloo.program import (Program, VertexBuffer, IndexBuffer)
from vispy.gloo.shader import VertexShader, FragmentShader
from vispy.gloo.util import _screenshot
from vispy.gloo import gl
gl.use('desktop debug')
def on_nonexist(self, *args):
return
def on_mouse_move(self, *args):
return
def _on_mouse_move(self, *args):
return
def _test_callbacks(canvas):
