def draw_points(self):
gl.glDisable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthMask(gl.GL_TRUE)
self.program_points.draw('points')
def _test_setting_stuff():
# Set stuff to touch functions
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
#
gl.glBlendColor(1.0, 1.0, 1.0, 1.0)
gl.glBlendEquation(gl.GL_FUNC_ADD)
gl.glBlendEquationSeparate(gl.GL_FUNC_ADD, gl.GL_FUNC_ADD)
gl.glBlendFunc(gl.GL_ONE, gl.GL_ZERO)
gl.glBlendFuncSeparate(gl.GL_ONE, gl.GL_ZERO, gl.GL_ONE, gl.GL_ZERO)
#
gl.glClearColor(0.0, 0.0, 0.0, 1.0)
gl.glClearDepth(1)
gl.glClearStencil(0)
#
gl.glColorMask(True, True, True, True)
gl.glDepthMask(False)
gl.glStencilMask(255)
gl.glStencilMaskSeparate(gl.GL_FRONT, 128)
#
gl.glStencilFunc(gl.GL_ALWAYS, 0, 255)
gl.glStencilFuncSeparate(gl.GL_FRONT, gl.GL_ALWAYS, 0, 255)
gl.glStencilOp(gl.GL_KEEP, gl.GL_KEEP, gl.GL_KEEP)
gl.glStencilOpSeparate(gl.GL_FRONT, gl.GL_KEEP, gl.GL_KEEP, gl.GL_KEEP)
#
gl.glFrontFace(gl.GL_CW)
gl.glHint(gl.GL_GENERATE_MIPMAP_HINT, gl.GL_FASTEST)
gl.glLineWidth(2.0)
gl.glPolygonOffset(0.0, 0.0)
gl.glSampleCoverage(1.0, False)
# And getting stuff
try:
with use_log_level('error', print_msg=False):
r, p = gl.glGetShaderPrecisionFormat(gl.GL_FRAGMENT_SHADER,
gl.GL_HIGH_FLOAT)
gl.check_error() # Sometimes the func is there but OpenGL errs
except Exception:
pass # accept if the function is not there ...
# We should catch RuntimeError and GL.error.NullFunctionError,
# but PyOpenGL may not be available.
# On Travis this function was not there on one machine according
# to PyOpenGL, but our desktop backend worked fine ...
#
v = gl.glGetParameter(gl.GL_VERSION)
assert_true(isinstance(v, string_types))
assert_true(len(v) > 0)
gl.check_error()
def _test_setting_stuff():
# Set stuff to touch functions
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
#
gl.glBlendColor(1.0, 1.0, 1.0, 1.0)
gl.glBlendEquation(gl.GL_FUNC_ADD)
gl.glBlendEquationSeparate(gl.GL_FUNC_ADD, gl.GL_FUNC_ADD)
gl.glBlendFunc(gl.GL_ONE, gl.GL_ZERO)
gl.glBlendFuncSeparate(gl.GL_ONE, gl.GL_ZERO, gl.GL_ONE, gl.GL_ZERO)
#
gl.glClearColor(0.0, 0.0, 0.0, 1.0)
gl.glClearDepth(1)
gl.glClearStencil(0)
#
gl.glColorMask(True, True, True, True)
gl.glDepthMask(False)
gl.glStencilMask(255)
gl.glStencilMaskSeparate(gl.GL_FRONT, 128)
#
gl.glStencilFunc(gl.GL_ALWAYS, 0, 255)
gl.glStencilFuncSeparate(gl.GL_FRONT, gl.GL_ALWAYS, 0, 255)
gl.glStencilOp(gl.GL_KEEP, gl.GL_KEEP, gl.GL_KEEP)
gl.glStencilOpSeparate(gl.GL_FRONT, gl.GL_KEEP, gl.GL_KEEP, gl.GL_KEEP)
#
gl.glFrontFace(gl.GL_CW)
gl.glHint(gl.GL_GENERATE_MIPMAP_HINT, gl.GL_FASTEST)
gl.glLineWidth(2.0)
gl.glPolygonOffset(0.0, 0.0)
gl.glSampleCoverage(1.0, False)
# And getting stuff
try:
with use_log_level('error', print_msg=False):
r, p = gl.glGetShaderPrecisionFormat(gl.GL_FRAGMENT_SHADER,
gl.GL_HIGH_FLOAT)
gl.check_error() # Sometimes the func is there but OpenGL errs
except Exception:
pass # accept if the function is not there ...
# We should catch RuntimeError and GL.error.NullFunctionError,
# but PyOpenGL may not be available.
# On Travis this function was not there on one machine according
# to PyOpenGL, but our desktop backend worked fine ...
#
v = gl.glGetParameter(gl.GL_VERSION)
assert_true(isinstance(v, string_types))
assert_true(len(v) > 0)
gl.check_error()
def draw_model(self):
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthMask(gl.GL_TRUE)
gl.glFrontFace(gl.GL_CCW)
gl.glDisable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_ZERO, gl.GL_ZERO)
if self.render_params['transparent']:
gl.glEnable(gl.GL_BLEND)
gl.glDepthMask(gl.GL_FALSE)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
self.program_solids.draw('triangles')
def on_paint(self, event):
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
with self.program as prog:
# Filled cube
gl.glDisable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glEnable(gl.GL_POLYGON_OFFSET_FILL)
prog['u_color'] = 1, 1, 1, 1
prog.draw(gl.GL_TRIANGLES, self.filled_buf)
# Outline
gl.glDisable(gl.GL_POLYGON_OFFSET_FILL)
gl.glEnable(gl.GL_BLEND)
gl.glDepthMask(gl.GL_FALSE)
prog['u_color'] = 0, 0, 0, 1
prog.draw(gl.GL_LINES, self.outline_buf)
gl.glDepthMask(gl.GL_TRUE)
def draw(self, mode="triangle_strip"):
""" Draw collection """
gl.glDepthMask(gl.GL_FALSE)
Collection.draw(self, mode)
gl.glDepthMask(gl.GL_TRUE)
def draw(self, mode="triangles"):
""" Draw collection """
gl.glDepthMask(0)
Collection.draw(self, mode)
gl.glDepthMask(1)
def draw(self, mode="triangle_strip"):
""" Draw collection """
gl.glDepthMask(gl.GL_FALSE)
Collection.draw(self, mode)
gl.glDepthMask(gl.GL_TRUE)
def draw(self, mode="triangles"):
""" Draw collection """
gl.glDepthMask(0)
Collection.draw(self, mode)
gl.glDepthMask(1)
