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drm/radeon/kms: allow rendering while no colorbuffer is set on r300
authorMarek Olšák <maraeo@gmail.com>
Thu, 17 Dec 2009 05:02:28 +0000 (06:02 +0100)
committerDave Airlie <airlied@redhat.com>
Wed, 23 Dec 2009 01:14:04 +0000 (11:14 +1000)
Because hardware cannot disable all colorbuffers directly to do depth-only
rendering, a user should:
- disable reading from a colorbuffer in blending
- disable fastfill
- set the color channel mask to 0 to prevent writing to a colorbuffer

Signed-off-by: Dave Airlie <airlied@redhat.com>

No differences found
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