def draw_depth(camera, renderables, rend_target):
rendfb, rendtex, _ = rend_target
material = DepthMaterial()
program = DepthMaterial().compile()
with rendfb:
gloo.clear(color=camera.clear_color)
gloo.set_state(depth_test=True)
gl.glEnable(gl.GL_CULL_FACE)
gl.glCullFace(gl.GL_FRONT)
for renderable in renderables:
material.upload_camera(program, camera)
material.upload_attributes(program, renderable._attributes)
program['u_model'] = renderable.model_mat.T
program.draw(gl.GL_TRIANGLES)
gl.glCullFace(gl.GL_BACK)
gl.glDisable(gl.GL_CULL_FACE)
def _test_setting_parameters():
# Set some parameters and get result
clr = 1.0, 0.1, 0.2, 0.7
gl.glClearColor(*clr)
assert_almost_equal(gl.glGetParameter(gl.GL_COLOR_CLEAR_VALUE), clr)
#
gl.glCullFace(gl.GL_FRONT)
assert_equal(gl.glGetParameter(gl.GL_CULL_FACE_MODE), gl.GL_FRONT)
gl.glCullFace(gl.GL_BACK)
assert_equal(gl.glGetParameter(gl.GL_CULL_FACE_MODE), gl.GL_BACK)
#
gl.glDepthFunc(gl.GL_NOTEQUAL)
assert_equal(gl.glGetParameter(gl.GL_DEPTH_FUNC), gl.GL_NOTEQUAL)
#
val = 0.2, 0.3
gl.glDepthRange(*val)
assert_almost_equal(gl.glGetParameter(gl.GL_DEPTH_RANGE), val)
gl.check_error()
def _test_setting_parameters():
# Set some parameters and get result
clr = 1.0, 0.1, 0.2, 0.7
gl.glClearColor(*clr)
assert_almost_equal(gl.glGetParameter(gl.GL_COLOR_CLEAR_VALUE), clr)
#
gl.glCullFace(gl.GL_FRONT)
assert_equal(gl.glGetParameter(gl.GL_CULL_FACE_MODE), gl.GL_FRONT)
gl.glCullFace(gl.GL_BACK)
assert_equal(gl.glGetParameter(gl.GL_CULL_FACE_MODE), gl.GL_BACK)
#
gl.glDepthFunc(gl.GL_NOTEQUAL)
assert_equal(gl.glGetParameter(gl.GL_DEPTH_FUNC), gl.GL_NOTEQUAL)
#
val = 0.2, 0.3
gl.glDepthRange(*val)
assert_almost_equal(gl.glGetParameter(gl.GL_DEPTH_RANGE), val)
gl.check_error()