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llvmpipe: fix multisample point rendering. 

Fixes one case in
dEQP-VK.rasterization.primitives_multisample_4_bit.no_stipple.points

Cc: "20.3" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7705>
This commit is contained in:
Dave Airlie 2020-11-10 07:28:53 +10:00
parent 2ed54033de
commit d932720ff7
1 changed files with 3 additions and 3 deletions
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6
src/gallium/drivers/llvmpipe/lp_setup_point.c
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@ -350,7 +350,7 @@ try_setup_point( struct lp_setup_context *setup,
* slightly different rounding.
*/
int adj = (setup->bottom_edge_rule != 0) ? 1 : 0;
float pixel_offset = setup->multisample ? 0.0 : setup->pixel_offset;
struct lp_scene *scene = setup->scene;
struct lp_rast_triangle *point;
unsigned bytes;
@ -385,8 +385,8 @@ try_setup_point( struct lp_setup_context *setup,
*/
fixed_width = MAX2(FIXED_ONE, subpixel_snap(size));
x0 = subpixel_snap(v0[0][0] - setup->pixel_offset) - fixed_width/2;
y0 = subpixel_snap(v0[0][1] - setup->pixel_offset) - fixed_width/2;
x0 = subpixel_snap(v0[0][0] - pixel_offset) - fixed_width/2;
y0 = subpixel_snap(v0[0][1] - pixel_offset) - fixed_width/2;
bbox.x0 = (x0 + (FIXED_ONE-1)) >> FIXED_ORDER;
bbox.x1 = (x0 + fixed_width + (FIXED_ONE-1)) >> FIXED_ORDER;