Python glfw.make_context_current方法代码示例

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def __init__(self, renderer, title="GlfwBaseApp"):
        "Creates an OpenGL context and a window, and acquires OpenGL resources"
        self.renderer = renderer
        self.title = title
        self._is_initialized = False # keep track of whether self.init_gl() has been called
        
        if not glfw.init():
            raise Exception("GLFW Initialization error")
        # Use modern OpenGL version 4.5 core
        glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
        glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 5)
        glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
        self._configure_context()
        self.window = glfw.create_window(self.renderer.window_size[0], self.renderer.window_size[1], self.title, None, None)
        if self.window is None:
            glfw.terminate()
            raise Exception("GLFW window creation error")
        glfw.set_key_callback(self.window, self.key_callback)
        glfw.make_context_current(self.window) 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def main_glfw():
    def glfw_init():
        width, height = 1280, 720
        window_name = "minimal ImGui/GLFW3 example"
        if not glfw.init():
            print("Could not initialize OpenGL context")
            exit(1)
        # OS X supports only forward-compatible core profiles from 3.2
        glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
        glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
        glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
        glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, gl.GL_TRUE)
        # Create a windowed mode window and its OpenGL context
        window = glfw.create_window(
            int(width), int(height), window_name, None, None
        )
        glfw.make_context_current(window)
        if not window:
            glfw.terminate()
            print("Could not initialize Window")
            exit(1)
        return window
    window = glfw_init()
    impl = GlfwRenderer(window)
    while not glfw.window_should_close(window):
        glfw.poll_events()
        impl.process_inputs()
        imgui.new_frame()
        on_frame()
        gl.glClearColor(1., 1., 1., 1)
        gl.glClear(gl.GL_COLOR_BUFFER_BIT)
        imgui.render()
        impl.render(imgui.get_draw_data())
        glfw.swap_buffers(window)
    impl.shutdown()
    glfw.terminate() 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def impl_glfw_init():
    width, height = 1280, 720
    window_name = "minimal ImGui/GLFW3 example"

    if not glfw.init():
        print("Could not initialize OpenGL context")
        exit(1)

    # OS X supports only forward-compatible core profiles from 3.2
    glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
    glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
    glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)

    glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, gl.GL_TRUE)

    # Create a windowed mode window and its OpenGL context
    window = glfw.create_window(
        int(width), int(height), window_name, None, None
    )
    glfw.make_context_current(window)

    if not window:
        glfw.terminate()
        print("Could not initialize Window")
        exit(1)

    return window 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def init_gl(self):
        if self._is_initialized:
            return # only initialize once
        glfw.make_context_current(self.window)
        if self.renderer:
            self.renderer.init_gl()
        self._is_initialized = True 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def render_scene(self):
        "render scene one time"
        self.init_gl() # should be a no-op after the first frame is rendered
        glfw.make_context_current(self.window)
        self.renderer.render_scene()
        # Done rendering
        # glfw.swap_buffers(self.window) # avoid double buffering to avoid stalling
        glFlush() # single buffering
        glfw.poll_events() 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def dispose_gl(self):
        if self.window:
            glfw.make_context_current(self.window)
            if self.renderer:
                self.renderer.dispose_gl()
        glfw.destroy_window(self.window)
        glfw.terminate()
        self._is_initialized = False 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def b_init(self):
        glfw.init()
        glfw.window_hint(glfw.SAMPLES, 4)
        self.window = glfw.create_window(self.companion_width, self.companion_height, 'hello_vr', None, None)
        glfw.set_key_callback(self.window, self.key_callback)
        glfw.make_context_current(self.window)
        #
        self.hmd = openvr.init(openvr.VRApplication_Scene)
        #
        vr_sys = openvr.VRSystem()
        driver = vr_sys.getStringTrackedDeviceProperty(
            openvr.k_unTrackedDeviceIndex_Hmd,
            openvr.Prop_TrackingSystemName_String,
        )
        display = vr_sys.getStringTrackedDeviceProperty(
            openvr.k_unTrackedDeviceIndex_Hmd,
            openvr.Prop_SerialNumber_String,
        )
        glfw.set_window_title(self.window, f'hello_vr -- {driver} {display}')
        self.b_init_gl()
        assert openvr.VRCompositor()
        action_path = pkg_resources.resource_filename('samples', 'hellovr_actions.json')
        openvr.VRInput().setActionManifestPath(action_path)
        self.action_hide_cubes = openvr.VRInput().getActionHandle('/actions/demo/in/HideCubes')
        self.action_hide_this_controller = openvr.VRInput().getActionHandle('/actions/demo/in/HideThisController')
        self.action_trigger_haptic = openvr.VRInput().getActionHandle('/actions/demo/in/TriggerHaptic')
        self.action_analog_input = openvr.VRInput().getActionHandle('/actions/demo/in/AnalogInput')
        self.action_set_demo = openvr.VRInput().getActionSetHandle('/actions/demo')
        self.hand[Left].action_haptic = openvr.VRInput().getActionHandle('/actions/demo/out/Haptic_Left')
        self.hand[Left].source = openvr.VRInput().getInputSourceHandle('/user/hand/left')
        self.hand[Left].action_pose = openvr.VRInput().getActionHandle('/actions/demo/in/Hand_Left')
        self.hand[Right].action_haptic = openvr.VRInput().getActionHandle('/actions/demo/out/Haptic_Right')
        self.hand[Right].source = openvr.VRInput().getInputSourceHandle('/user/hand/right')
        self.hand[Right].action_pose = openvr.VRInput().getActionHandle('/actions/demo/in/Hand_Right')
        return True 

# 需要导入模块: import glfw [as 别名]
# 或者: from glfw import make_context_current [as 别名]
def __init__(self, **kwargs):
        super().__init__(**kwargs)

        if not glfw.init():
            raise ValueError("Failed to initialize glfw")

        # Configure the OpenGL context
        glfw.window_hint(glfw.CONTEXT_CREATION_API, glfw.NATIVE_CONTEXT_API)
        glfw.window_hint(glfw.CLIENT_API, glfw.OPENGL_API)
        glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, self.gl_version[0])
        glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, self.gl_version[1])
        glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
        glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
        glfw.window_hint(glfw.RESIZABLE, self.resizable)
        glfw.window_hint(glfw.DOUBLEBUFFER, True)
        glfw.window_hint(glfw.DEPTH_BITS, 24)
        glfw.window_hint(glfw.SAMPLES, self.samples)

        monitor = None
        if self.fullscreen:
            monitor = glfw.get_primary_monitor()
            mode = glfw.get_video_mode(monitor)
            self._width, self._height = mode.size.width, mode.size.height

            glfw.window_hint(glfw.RED_BITS, mode.bits.red)
            glfw.window_hint(glfw.GREEN_BITS, mode.bits.green)
            glfw.window_hint(glfw.BLUE_BITS, mode.bits.blue)
            glfw.window_hint(glfw.REFRESH_RATE, mode.refresh_rate)

        self._window = glfw.create_window(self.width, self.height, self.title, monitor, None)
        self._has_focus = True

        if not self._window:
            glfw.terminate()
            raise ValueError("Failed to create window")

        self.cursor = self._cursor

        self._buffer_width, self._buffer_height = glfw.get_framebuffer_size(self._window)
        glfw.make_context_current(self._window)

        if self.vsync:
            glfw.swap_interval(1)
        else:
            glfw.swap_interval(0)

        glfw.set_key_callback(self._window, self.glfw_key_event_callback)
        glfw.set_cursor_pos_callback(self._window, self.glfw_mouse_event_callback)
        glfw.set_mouse_button_callback(self._window, self.glfw_mouse_button_callback)
        glfw.set_scroll_callback(self._window, self.glfw_mouse_scroll_callback)
        glfw.set_window_size_callback(self._window, self.glfw_window_resize_callback)
        glfw.set_char_callback(self._window, self.glfw_char_callback)
        glfw.set_window_focus_callback(self._window, self.glfw_window_focus)
        glfw.set_cursor_enter_callback(self._window, self.glfw_cursor_enter)
        glfw.set_window_iconify_callback(self._window, self.glfw_window_iconify)

        self.init_mgl_context()
        self.set_default_viewport()