Fredrik Höglund daee59b170 EXA: Wrap Trapezoids to prevent excessive migration of the alpha pixmap. ...

miTrapezoids creates an alpha pixmap and initializes the contents
using PolyFillRect, which causes the pixmap to be moved in for
acceleration. The subsequent call to RasterizeTrapezoid won't be
accelerated by EXA, which causing the pixmap to be moved back out
again.

By wrapping Trapezoids and using ExaCheckPolyFillRect instead of
PolyFillRect to initialize the pixmap, we avoid this roundtrip.

2007-08-16 23:49:07 +02:00

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