2 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_framebuffer.c b/src/gallium/auxiliary/util/u_framebuffer.c
index 683967237e9..377b802b62a 100644
--- a/src/gallium/auxiliary/util/u_framebuffer.c
+++ b/src/gallium/auxiliary/util/u_framebuffer.c
@@ -171,3 +171,24 @@ util_framebuffer_get_num_layers(const struct pipe_framebuffer_state *fb)
 	}
 	return num_layers;
 }
+
+
+/**
+ * Return the number of MSAA samples.
+ */
+unsigned
+util_framebuffer_get_num_samples(const struct pipe_framebuffer_state *fb)
+{
+   unsigned i;
+
+   for (i = 0; i < fb->nr_cbufs; i++) {
+      if (fb->cbufs[i]) {
+         return MAX2(1, fb->cbufs[i]->texture->nr_samples);
+      }
+   }
+   if (fb->zsbuf) {
+      return MAX2(1, fb->zsbuf->texture->nr_samples);
+   }
+
+   return 1;
+}
diff --git a/src/gallium/auxiliary/util/u_framebuffer.h b/src/gallium/auxiliary/util/u_framebuffer.h
index 0e6c98363a8..c73942c9c14 100644
--- a/src/gallium/auxiliary/util/u_framebuffer.h
+++ b/src/gallium/auxiliary/util/u_framebuffer.h
@@ -60,6 +60,10 @@ extern unsigned
 util_framebuffer_get_num_layers(const struct pipe_framebuffer_state *fb);
 
 
+extern unsigned
+util_framebuffer_get_num_samples(const struct pipe_framebuffer_state *fb);
+
+
 #ifdef __cplusplus
 }
 #endif