zink: export PIPE_CAP_TGSI_BALLOT

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11990>

diff --git a/docs/features.txt b/docs/features.txt
index 5ee8971..b3ee73b 100644 (file)
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -306,7 +306,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
   GL_ARB_robustness_isolation                           not started
   GL_ARB_sample_locations                               DONE (nvc0, zink)
   GL_ARB_seamless_cubemap_per_texture                   DONE (etnaviv/SEAMLESS_CUBE_MAP, freedreno, i965, nvc0, r600, radeonsi, softpipe, swr, virgl)
-  GL_ARB_shader_ballot                                  DONE (i965/gen8+, nvc0, radeonsi)
+  GL_ARB_shader_ballot                                  DONE (i965/gen8+, nvc0, radeonsi, zink)
   GL_ARB_shader_clock                                   DONE (i965/gen7+, nv50, nvc0, r600, radeonsi, virgl, zink)
   GL_ARB_shader_stencil_export                          DONE (i965/gen9+, r600, radeonsi, softpipe, llvmpipe, swr, virgl, panfrost, zink)
   GL_ARB_shader_viewport_layer_array                    DONE (i965/gen6+, nvc0, radeonsi, zink)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 19893dd..ef8da6d 100644 (file)
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -409,6 +409,9 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_POINT_SPRITE:
       return 1;
 
+   case PIPE_CAP_TGSI_BALLOT:
+      return screen->vk_version >= VK_MAKE_VERSION(1,2,0) && screen->info.props11.subgroupSize <= 64;
+
    case PIPE_CAP_SAMPLE_SHADING:
       return screen->info.feats.features.sampleRateShading;