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fb_invert_y
2009 Jul 12
0
[PATCH 2/3] nv50: fix viewport transform
We need to invert the viewport translate/scale parameters
when the state tracker thinks we have Y_0_TOP.
If these cases, we have do to bypass mode by setting an
identity viewport transform for x, z and inversion for y,
or p.e. clear_with_quad won't work correctly.
Clipping for xy in NDC space needs to be disabled then.
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src/gallium/drivers/nv50/nv50_context.h | 1 +