1 files changed, 22 insertions, 8 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 2c1414e48..45dea594e 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -88,6 +88,14 @@ st_destroy_clear(struct st_context *st)
       cso_delete_vertex_shader(st->cso_context, st->clear.vs);
       st->clear.vs = NULL;
    }
+   if (st->clear.vs_layered) {
+      cso_delete_vertex_shader(st->cso_context, st->clear.vs_layered);
+      st->clear.vs_layered = NULL;
+   }
+   if (st->clear.gs_layered) {
+      cso_delete_geometry_shader(st->cso_context, st->clear.gs_layered);
+      st->clear.gs_layered = NULL;
+   }
 }
 
 
@@ -123,10 +131,12 @@ set_vertex_shader(struct st_context *st)
       const uint semantic_indexes[] = { 0, 0 };
       st->clear.vs = util_make_vertex_passthrough_shader(st->pipe, 2,
                                                          semantic_names,
-                                                         semantic_indexes);
+                                                         semantic_indexes,
+                                                         FALSE);
    }
 
    cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
+   cso_set_geometry_shader_handle(st->cso_context, NULL);
 }
 
 
@@ -135,18 +145,25 @@ set_vertex_shader_layered(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
 
-   if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) ||
-       !pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT)) {
-      assert(!"Got layered clear, but the VS layer output is unsupported");
+   if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID)) {
+      assert(!"Got layered clear, but VS instancing is unsupported");
       set_vertex_shader(st);
       return;
    }
 
    if (!st->clear.vs_layered) {
-      st->clear.vs_layered = util_make_layered_clear_vertex_shader(pipe);
+      bool vs_layer =
+         pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT);
+      if (vs_layer) {
+         st->clear.vs_layered = util_make_layered_clear_vertex_shader(pipe);
+      } else {
+         st->clear.vs_layered = util_make_layered_clear_helper_vertex_shader(pipe);
+         st->clear.gs_layered = util_make_layered_clear_geometry_shader(pipe);
+      }
    }
 
    cso_set_vertex_shader_handle(st->cso_context, st->clear.vs_layered);
+   cso_set_geometry_shader_handle(st->cso_context, st->clear.gs_layered);
 }
 
 
@@ -323,16 +340,13 @@ clear_with_quad(struct gl_context *ctx, unsigned clear_buffers)
       vp.scale[0] = 0.5f * fb_width;
       vp.scale[1] = fb_height * (invert ? -0.5f : 0.5f);
       vp.scale[2] = 0.5f;
-      vp.scale[3] = 1.0f;
       vp.translate[0] = 0.5f * fb_width;
       vp.translate[1] = 0.5f * fb_height;
       vp.translate[2] = 0.5f;
-      vp.translate[3] = 0.0f;
       cso_set_viewport(st->cso_context, &vp);
    }
 
    set_fragment_shader(st);
-   cso_set_geometry_shader_handle(st->cso_context, NULL);
 
    if (num_layers > 1)
       set_vertex_shader_layered(st);