class PbufferGrabber(object):
"""A render-to texture mechanism using pbuffers.
Requires pbuffer extensions. Currently only implemented in GLX.
Not working yet, very untested
"""
def grab (self, texture):
self.pbuf = Pbuffer(director.window, [
GLX_CONFIG_CAVEAT, GLX_NONE,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_DEPTH_SIZE, 24,
GLX_DOUBLEBUFFER, 1,
])
def before_render (self, texture):
self.pbuf.switch_to()
gl.glViewport(0, 0, self.pbuf.width, self.pbuf.height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, self.pbuf.width, 0, self.pbuf.height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glEnable (gl.GL_TEXTURE_2D)
def after_render (self, texture):
buffer = image.get_buffer_manager().get_color_buffer()
texture.blit_into (buffer, 0, 0, 0)
director.window.switch_to()
def grab (self, texture):
self.pbuf = Pbuffer(director.window, [
GLX_CONFIG_CAVEAT, GLX_NONE,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_DEPTH_SIZE, 24,
GLX_DOUBLEBUFFER, 1,
])
