Python pyglet.gl方法代碼示例

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw(self):
        gl.glClearColor(0, 0, 0, 0)
        self.clear()
        gl.glViewport(0, 0, self.width, self.height)
        now = time.clock() - self._start_time
        now *= self._speed
        with self.bufferA:
            with self.shaderA:
                self.shaderA.uniformf("iTime", now)
                self.shaderA.uniformi("iFrame", self._frame_count)
                gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        with self.bufferB:
            with self.shaderB:
                self.shaderB.uniformf("iTime", now)
                gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        with self.shaderC:
            self.shaderC.uniformf("iTime", now)
            gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        self._frame_count += 1 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw(self):
        gl.glClearColor(0, 0, 0, 0)
        self.clear()
        gl.glViewport(0, 0, self.width, self.height)
        self._last = self._now
        self._now = time.clock()
        itime = self._now - self._start_time
        idate = get_idate()
        delta = self._now - self._last
        with self.bufferA:
            with self.shaderA:
                self.shaderA.uniformf("iTime", itime)
                self.shaderA.uniformf("iDate", *idate)
                self.shaderA.uniformf("iTimeDelta", delta)
                gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        with self.shaderB:
            self.shaderB.uniformf("iTime", itime)
            self.shaderB.uniformf("iDate", *idate)
            self.shaderB.uniformf("iTimeDelta", delta)
            gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        self._frame_count += 1 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def __init__(self, width, height, aa):
        pyglet.window.Window.__init__(self,
                                      width,
                                      height,
                                      caption="Loxodromic transformation",
                                      resizable=True,
                                      visible=False,
                                      vsync=False)
        self._start_time = time.clock()
        self.shader = Shader(["./glsl/loxodrome.vert"], ["./glsl/loxodrome.frag"])
        self.buffer = pyglet.image.get_buffer_manager().get_color_buffer()

        texture = create_image_texture(WOOD_TEXTURE)
        gl.glActiveTexture(gl.GL_TEXTURE0)
        gl.glBindTexture(gl.GL_TEXTURE_2D, texture)

        with self.shader:
            self.shader.vertex_attrib("position", [-1, -1, 1, -1, -1, 1, 1, 1])
            self.shader.uniformf("iResolution", width, height, 0.0)
            self.shader.uniformf("iTime", 0.0)
            self.shader.uniformi("iTexture", 0)
            self.shader.uniformi("AA", aa) 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw(self):
        gl.glClearColor(0.0, 0.0, 0.0, 0.0)
        self.clear()

        if time.time() - self.start_time > 0.1:
            gl.glViewport(0, 0, self.tex_width, self.tex_height)
            with self.fbo:
                with self.reaction_shader:
                    gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

            gl.glViewport(0, 0, self.width, self.height)
            with self.render_shader:
                gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)
                self.frame_count += 1

        if self.video_on and (self.frame_count % self.sample_rate == 0):
            self.write_video_frame() 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def create_image_texture(imgfile):
    """Create a 2D texture from an image file.
    """
    image = pyglet.image.load(imgfile)
    data = image.get_data("RGBA", image.width * 4)
    tex = gl.GLuint()
    gl.glGenTextures(1, ct.pointer(tex))
    gl.glBindTexture(gl.GL_TEXTURE_2D, tex)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)
    gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA,
                    image.width, image.height, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, data)
    gl.glBindTexture(tex, 0)
    return tex 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def __init__(self, size, target, usage):
        self.size = size
        self.target = target
        self.usage = usage
        self._context = pyglet.gl.current_context

        id = GLuint()
        glGenBuffers(1, id)
        self.id = id.value
        glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT)
        glBindBuffer(target, self.id)
        glBufferData(target, self.size, None, self.usage)
        glPopClientAttrib()

        global _workaround_vbo_finish
        if pyglet.gl.current_context._workaround_vbo_finish:
            _workaround_vbo_finish = True 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def __call__(self, *args, **kwargs):
        if self.func:
            return self.func(*args, **kwargs)

        from pyglet.gl import current_context
        if not current_context:
            raise Exception(
                'Call to function "%s" before GL context created' % self.name)
        address = wglGetProcAddress(self.name)
        if cast(address, POINTER(c_int)):  # check cast because address is func
            self.func = cast(address, self.ftype)
            decorate_function(self.func, self.name)
        else:
            self.func = missing_function(
                self.name, self.requires, self.suggestions)
        result = self.func(*args, **kwargs)
        return result 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_resize(self, width, height):
        '''A default resize event handler.

        This default handler updates the GL viewport to cover the entire
        window and sets the ``GL_PROJECTION`` matrix to be orthogonal in
        window space.  The bottom-left corner is (0, 0) and the top-right
        corner is the width and height of the window in pixels.

        Override this event handler with your own to create another
        projection, for example in perspective.
        '''
        gl.glViewport(0, 0, width, height)
        gl.glMatrixMode(gl.GL_PROJECTION)
        gl.glLoadIdentity()
        gl.glOrtho(0, width, 0, height, -1, 1)
        gl.glMatrixMode(gl.GL_MODELVIEW) 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def __init__(self, screen, attrib_list):
        self.screen = screen
        self._display = screen.display._display
        self._visual_info = glx.glXChooseVisual(self._display,
            screen._x_screen_id, attrib_list)
        if not self._visual_info:
            raise gl.ContextException('No conforming visual exists')

        for name, attr in self.attribute_ids.items():
            value = c_int()
            result = glx.glXGetConfig(self._display,
                self._visual_info, attr, byref(value))
            if result >= 0:
                setattr(self, name, value.value)
        self.sample_buffers = 0
        self.samples = 0 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def _init_texture(self, player):
        if not self.video_format:
            return

        width = self.video_format.width
        height = self.video_format.height
        if gl_info.have_extension('GL_ARB_texture_rectangle'):
            texture = image.Texture.create_for_size(
                gl.GL_TEXTURE_RECTANGLE_ARB, width, height,
                internalformat=gl.GL_RGB)
        else:
            texture = image.Texture.create_for_size(
                gl.GL_TEXTURE_2D, width, height, internalformat=gl.GL_RGB)
            if texture.width != width or texture.height != height:
                texture = texture.get_region(0, 0, width, height)
        player._texture = texture

        # Flip texture coords (good enough for simple apps).
        t = list(player._texture.tex_coords)
        player._texture.tex_coords = t[9:12] + t[6:9] + t[3:6] + t[:3] 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def get_best_config(self, template=None):
        '''Get the best available GL config.

        Any required attributes can be specified in `template`.  If
        no configuration matches the template, `NoSuchConfigException` will
        be raised.

        :Parameters:
            `template` : `pyglet.gl.Config`
                A configuration with desired attributes filled in.

        :rtype: `pyglet.gl.Config`
        :return: A configuration supported by the platform that best
            fulfils the needs described by the template.
        '''
        if template is None:
            template = gl.Config()
        configs = self.get_matching_configs(template)
        if not configs:
            raise NoSuchConfigException()
        return configs[0] 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw():
    gl.glColorMask(True, True, True, True)
    window.clear()

    with rc.default_shader, rc.default_states:
        with camera.right:
            gl.glColorMask(False, True, True, True)
            monkey.draw()

        gl.glClear(gl.GL_DEPTH_BUFFER_BIT)

        with camera.left:
            gl.glColorMask(True, False, False, True)
            monkey.draw() 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw(self):
        gl.glClearColor(0, 0, 0, 0)
        self.clear()
        gl.glViewport(0, 0, self.width, self.height)
        with self.shader:
            self.shader.uniformf("iTime", time.clock() - self._start_time)
            gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4) 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def on_draw(self):
        gl.glClearColor(0, 0, 0, 0)
        self.clear()
        gl.glViewport(0, 0, self.width, self.height)
        with self.shader:
            self.shader.uniformf("iTime", time.clock() - self._start_time)
            gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)

        if self.video_on and (self.frame_count % self.sample_rate == 0):
            self.write_video_frame()

        self.frame_count += 1 

# 需要導入模塊: import pyglet [as 別名]
# 或者: from pyglet import gl [as 別名]
def create_texture_from_ndarray(array):
    """Create a 2D texture from a numpy ndarray.
    """
    height, width = array.shape[:2]
    texture = pyglet.image.Texture.create_for_size(gl.GL_TEXTURE_2D, width, height,
                                                   gl.GL_RGBA32F_ARB)
    gl.glBindTexture(texture.target, texture.id)
    gl.glTexImage2D(texture.target, texture.level, gl.GL_RGBA32F_ARB,
                    width, height, 0, gl.GL_RGBA, gl.GL_FLOAT, array.ctypes.data)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE)
    gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)
    gl.glBindTexture(texture.target, 0)
    return texture