[cogl] framebuffer: Annotate the output parameter of get_viewport4fv()

[Damien Lespiau <dlespiau src gnome org>]

commit f40b0d03d796c16c62f4937e99e16de084fc6b9a
Author: Damien Lespiau <damien lespiau intel com>
Date:   Mon Oct 1 01:25:09 2012 +0100

    framebuffer: Annotate the output parameter of get_viewport4fv()
    
    Annotate that the float* is an out parameter that points to a caller
    allocated array of 4 floats.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 cogl/cogl-framebuffer.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/cogl/cogl-framebuffer.h b/cogl/cogl-framebuffer.h
index 62a02ca..c1295b8 100644
--- a/cogl/cogl-framebuffer.h
+++ b/cogl/cogl-framebuffer.h
@@ -231,7 +231,8 @@ cogl_framebuffer_get_viewport_height (CoglFramebuffer *framebuffer);
 /**
  * cogl_framebuffer_get_viewport4fv:
  * @framebuffer: A #CoglFramebuffer
- * @viewport: A pointer to an array of 4 floats to receive the (x, y, width, height)
+ * @viewport: (out caller-allocates) (array fixed-size=4): A pointer to an
+ *            array of 4 floats to receive the (x, y, width, height)
  *            components of the current viewport.
  *
  * Queries the x, y, width and height components of the current viewport as set