diff options
| author | Boris Brezillon <boris.brezillon@collabora.com> | 2020-10-09 14:00:28 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2020-10-15 08:05:23 +0200 |
| commit | d8326ceafbd8903b69e211ec6449ecdb83efc761 (patch) | |
| tree | b69b51b1fb31bb9026cf92d621392630238a8ad3 | |
| parent | 442f48f27b666cd2183d4ce27977da045ee34b0f (diff) | |
panfrost: Fix fixed-function blend on bifrost
The conversion from a 32b float to a 16b fixed-point number was wrong.
Fixes: 8389976b7c09 ("panfrost: XML-ify the blend descriptors")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7151>
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_cmdstream.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/panfrost/pan_cmdstream.c b/src/gallium/drivers/panfrost/pan_cmdstream.c index 52f3abc544d..e95e414ce92 100644 --- a/src/gallium/drivers/panfrost/pan_cmdstream.c +++ b/src/gallium/drivers/panfrost/pan_cmdstream.c @@ -311,7 +311,7 @@ panfrost_emit_bifrost_blend(struct panfrost_batch *batch, cfg.bifrost.equation = blend[i].equation.equation; /* Fixed point constant */ - u16 constant = blend[i].equation.constant / ((1 << chan_size) - 1); + u16 constant = blend[i].equation.constant * ((1 << chan_size) - 1); constant <<= 16 - chan_size; cfg.bifrost.constant = constant; |