Allow to specify the stride when uploading data into a texture. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This helper correctly sets the viewport to the size of a screen. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
The GL subsystem is copied from the old output_context subsystem and now provides shader and GL-math. It will replace the old output_context subs soon. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>