nvc0: provide support for unscaled poly offset units

Graphics / Mesa 3D Graphics Library / Mesa - Ilia Mirkin [alum.mit.edu] - 26 June 2016 11:04 UTC

On at least Kepler hardware, the units differ based on RT format. Emit a properly scaled value for Z16 depth buffers vs other formats, to help out st/nine.

89a7496 nvc0: provide support for unscaled poly offset units
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 2 +-
src/gallium/drivers/nouveau/nvc0/nvc0_state.c | 6 ++++--
.../drivers/nouveau/nvc0/nvc0_state_validate.c | 21 ++++++++++++++++++++
3 files changed, 26 insertions(+), 3 deletions(-)

Upstream: cgit.freedesktop.org

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