Blender Git Loki

BGE: Image source refresh() accepts pixel format argument.

All image source objects now accept a pixel format argument in addition to
the buffer argument in the refresh() method. This can be used to change the
format of the image copied in the buffer. The only allowed values are "RGBA"
and "BGRA". This is useful when transferring images to external application
that do not support the RGBA format.
Ex:
im = bge.texture.ImageRender(...)
im.refresh(buffer, "BGRA")

Note: the transfer is optimal (i.e. no intermediate copy) for ImageRender and
ImageViewport objects when no processing of the image is needed in VideoTexture.
This is the case if no filter is set and the attributes are set as follow:
flip=False, alpha=True, scale=False, depth=False, zbuff=False.