commit 7648060dc03775979e3fa8904c4948c084e82b6a
author Marek Olšák <marek.olsak@amd.com> Tue Oct 13 10:33:40 2020 -0400
committer Marge Bot <eric+marge@anholt.net> Sat Oct 17 01:58:19 2020 +0000
tree 2f145cae089b18cf07968ebbfcd4a2760fb2c7e5
parent e7d3f22c6ae532e25f26c0f2740fa9ad88794d71

radeonsi: enable NGG culling by default on gfx10.3 dGPUs

for better performance

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7172>

src/gallium/drivers/radeonsi/si_state_shaders.c

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 3faedfc..866d458 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2794,11 +2794,15 @@
 
          if (sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_ALL))
             sel->ngg_cull_vert_threshold = 0; /* always enabled */
-         else if (sscreen->options.shader_culling)
+         else if (sscreen->options.shader_culling ||
+                  (sscreen->info.chip_class == GFX10_3 &&
+                   sscreen->info.has_dedicated_vram))
             sel->ngg_cull_vert_threshold = 1500; /* vertex count must be more than this */
       } else if (sel->info.stage == MESA_SHADER_TESS_EVAL) {
          if (sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_ALL) ||
-             sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_TESS))
+             sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_TESS) ||
+             (sscreen->info.chip_class == GFX10_3 &&
+              sscreen->info.has_dedicated_vram))
             sel->ngg_cull_vert_threshold = 0; /* always enabled */
       }
    }