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 on_draw(self, event): # Read about depth testing and changing stated in vispy here http://vispy.org/gloo.html?highlight=set_state gloo.clear(color=[0, 0, 0, 1.0], depth=True) gl.glEnable(gl.GL_DEPTH_TEST) gl.glStencilOp(gl.GL_KEEP, gl.GL_KEEP, gl.GL_REPLACE) gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT | gl.GL_STENCIL_BUFFER_BIT) gl.glStencilFunc(gl.GL_ALWAYS, 1, 0xFF) gl.glStencilMask(0xFF) # delta_time self.current_frame = time() self.delta_time = self.current_frame - self.last_frame self.last_frame = self.current_frame if self.camera.bool_a: self.camera.ProcessKeyboard(Camera_Movement.LEFT, self.delta_time) if self.camera.bool_w: self.camera.ProcessKeyboard(Camera_Movement.FORWARD, self.delta_time) if self.camera.bool_s: self.camera.ProcessKeyboard(Camera_Movement.BACKWARD, self.delta_time) if self.camera.bool_d: self.camera.ProcessKeyboard(Camera_Movement.RIGHT, self.delta_time) self.view = self.camera.GetViewMatrix() self.projection = glm.perspective(glm.radians(self.camera.Zoom), builtins.width / builtins.height, 0.1, 100.0) # vispy takes numpy array in m * n matrix form self.view = (np.array(self.view.to_list()).astype(np.float32)) self.projection = (np.array(self.projection.to_list()).astype( np.float32)) # reshaping to (m, n) to (1, m*n) to support data input in vispy self.view = self.view.reshape( (1, self.view.shape[0] * self.view.shape[1])) self.projection = self.projection.reshape( (1, self.projection.shape[0] * self.projection.shape[1])) # drawing normal cube self.program['view'] = self.view self.program['projection'] = self.projection self.program['a_position'] = self.vertices self.program['aNormal'] = self.aNormal self.program['viewPos'] = self.camera.Position self.program['texCoords'] = self.texCoord self.program['l_ambient[0]'] = [0.2, 0.2, 0.2] self.program['l_diffuse[0]'] = [1, 1, 0.5] self.program['l_specular[0]'] = [1.0, 1.0, 1.0] self.program['l_direction[0]'] = [-0.3, -1, -1] self.program['m_diffuse[0]'] = self.diffuse_map self.program['m_shininess[0]'] = 32 self.program['m_specular[0]'] = self.specular_map self.model = glm.mat4(1.0) # rotate the cube if you want # self.model = glm.rotate(self.model, glm.radians((time() - self.startTime) * 10), glm.vec3(0,1.5,1)) self.model = glm.translate(self.model, glm.vec3(0, 0.5, 0)) self.model = (np.array(self.model.to_list()).astype(np.float32)) self.model = self.model.reshape( (1, self.model.shape[0] * self.model.shape[1])) self.program['model'] = self.model self.program.draw('triangles') self.model = glm.mat4(1.0) self.model = glm.translate(self.model, glm.vec3(0.5, 0.5, 2)) self.model = (np.array(self.model.to_list()).astype(np.float32)) self.model = self.model.reshape( (1, self.model.shape[0] * self.model.shape[1])) self.program['model'] = self.model self.program.draw('triangles') self.program['a_position'] = self.vertices * 10 self.model = glm.mat4(1.0) self.model = glm.translate(self.model, glm.vec3(0, -5, 0)) self.model = (np.array(self.model.to_list()).astype(np.float32)) self.model = self.model.reshape( (1, self.model.shape[0] * self.model.shape[1])) self.program['model'] = self.model self.program.draw('triangles') gl.glStencilFunc(gl.GL_NOTEQUAL, 1, 0xFF) gl.glStencilMask(0x00) gl.glDisable(gl.GL_DEPTH_TEST) self.model = glm.mat4(1.0) self.model = glm.translate(self.model, [0, 0.5, 0]) self.model = (np.array(self.model.to_list()).astype(np.float32)) self.model = self.model.reshape( (1, self.model.shape[0] * self.model.shape[1])) # drawing light source self.programLightSource['model'] = self.model self.programLightSource['view'] = self.view self.programLightSource['projection'] = self.projection self.programLightSource['a_position'] = self.vertices * 1.2 self.programLightSource.draw('triangles') gl.glStencilMask(0xFF) gl.glStencilFunc(gl.GL_ALWAYS, 1, 0xFF) gl.glEnable(gl.GL_DEPTH_TEST) self.update()