Mesa (master): etnaviv: fix polygon offset

[GitLab Mirror]

Module: Mesa
Branch: master
Commit: 6c3c05dc38a2e4243252b688282816be8824538b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6c3c05dc38a2e4243252b688282816be8824538b

Author: Jonathan Marek <jonathan at marek.ca>
Date:   Wed Jul  3 14:01:33 2019 -0400

etnaviv: fix polygon offset

Dividing the fui result by 65535 is obviously wrong, and from testing, on
GC7000L at least there is no division by 65535.

Fixes dEQP-GLES2.functional.polygon_offset.fixed16_displacement_with_units

Signed-off-by: Jonathan Marek <jonathan at marek.ca>
Reviewed-by: Christian Gmeiner <christian.gmeiner at gmail.com>

---

 src/gallium/drivers/etnaviv/etnaviv_rasterizer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_rasterizer.c b/src/gallium/drivers/etnaviv/etnaviv_rasterizer.c
index c8627b1a9ab..b782e120537 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_rasterizer.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_rasterizer.c
@@ -56,7 +56,7 @@ etna_rasterizer_state_create(struct pipe_context *pctx,
    cs->PA_LINE_WIDTH = fui(so->line_width / 2.0f);
    cs->PA_POINT_SIZE = fui(so->point_size / 2.0f);
    cs->SE_DEPTH_SCALE = fui(so->offset_scale);
-   cs->SE_DEPTH_BIAS = fui(so->offset_units) / 65535.0f;
+   cs->SE_DEPTH_BIAS = fui(so->offset_units);
    cs->SE_CONFIG = COND(so->line_last_pixel, VIVS_SE_CONFIG_LAST_PIXEL_ENABLE);
    /* XXX anything else? */
    /* XXX bottom_edge_rule */