radeonsi: use u_decomposed_prims_for_vertices instead of u_prims_for_vertices

It seems to be the same, but this doesn't use integer division with
a variable divisor.

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>

diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 6454491457bb191113a672c33319e72bba64770a..d0b2e18b4ea7b01adc9bea193d1e10c05c38866d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -315,10 +315,12 @@ static unsigned si_num_prims_for_vertices(const struct pipe_draw_info *info)
        switch (info->mode) {
        case PIPE_PRIM_PATCHES:
                return info->count / info->vertices_per_patch;
+       case PIPE_PRIM_POLYGON:
+               return info->count >= 3;
        case SI_PRIM_RECTANGLE_LIST:
                return info->count / 3;
        default:
-               return u_prims_for_vertices(info->mode, info->count);
+               return u_decomposed_prims_for_vertices(info->mode, info->count);
        }
 }