How can I reduce the time to blit to a texture?
The size is 446x285 but takes 0.88 to 1.7 seconds to blit to texture.
I am using the method used in the media player sample.
The code I use, and is called in the program loop. The source
(surf_clip) is a cairo image surface.
s = str(surf_clip.get_data())
pitch = sw * len('BGRA') * -1
imagedata = image.ImageData(sw, sh, 'BGRA', s,pitch )
texture = self.texture
glBindTexture(texture.target, texture.id)
#rx and ry = 0, will be used to update only part that changed
imagedata.blit_to_texture(texture.target, 0, rx, ry, 0)
And the self.texture exactly like media/video:
def _get_texture(self):
if not self._texture:
glEnable(GL_TEXTURE_2D)
texture = image.Texture.create_for_size(GL_TEXTURE_2D,
self.width, self.height, GL_RGB)
if texture.width != self.width or texture.height !=
self.height:
self._texture = texture.get_region(
0, 0, self.width, self.height)
else:
self._texture = texture
return self._texture
texture = property(_get_texture)
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