st/mesa: implement layered framebuffer clear for the clear_with_quad fallback

Same approach as in u_blitter.

2 files changed, 25 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 33adee8d77a..8d217a4053e 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -1416,3 +1416,23 @@ cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count)
 
    cso_draw_vbo(cso, &info);
 }
+
+void
+cso_draw_arrays_instanced(struct cso_context *cso, uint mode,
+                          uint start, uint count,
+                          uint start_instance, uint instance_count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
+   info.start_instance = start_instance;
+   info.instance_count = instance_count;
+
+   cso_draw_vbo(cso, &info);
+}
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.h b/src/gallium/auxiliary/cso_cache/cso_context.h
index 82c8e18def0..4b433b1c7a1 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.h
+++ b/src/gallium/auxiliary/cso_cache/cso_context.h
@@ -228,6 +228,11 @@ void
 cso_draw_vbo(struct cso_context *cso,
              const struct pipe_draw_info *info);
 
+void
+cso_draw_arrays_instanced(struct cso_context *cso, uint mode,
+                          uint start, uint count,
+                          uint start_instance, uint instance_count);
+
 /* helper drawing function */
 void
 cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);