tree fc324f541de3232cb94d7c8d20ff6c2c2472adb3
parent 297aaf97a32ac16a2bc3f4bbc231d5de859ac02d
author kkinnunen <kkinnunen@nvidia.com> 1424359240 -0800
committer Commit bot <commit-bot@chromium.org> 1424359240 -0800

Do not clear the source device in SkGpuDevice::drawDevice

Do not clear the source device in SkGpuDevice::drawDevice based on
the status whether the destination device needs a clear.

Source device clear is flushed in SkGpuDevice::accessRenderTarget()
and target device clear is flushed in CHECK_SHOULD_DRAW(draw).

Review URL: https://codereview.chromium.org/943623002