Neil Roberts 046a4b8047 cogl: Use the colours of COGL_DEBUG=rectangles to debug batching
Instead of assigning a new colour to each quad of a batch, the
rectangle debugging code now assigns a new colour to each batch so
that it can be used to visually see what is being batched. The colour
is stored in a global variable that is reset during cogl_clear. This
improves the chances that the same colour will be used for a batch in
the next frames to avoid flickering.
2010-01-28 16:52:42 +00:00
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