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[clutter/wip/cogl-winsys-egl: 9/37] framebuffer: expose experimental cogl_get_draw_framebuffer

commit d7d5e7bd07089e1d2e9ab3a9d2c07789ede965f1
Author: Robert Bragg <robert linux intel com>
Date:   Thu Mar 10 21:33:31 2011 +0000

    framebuffer: expose experimental cogl_get_draw_framebuffer
    
    This renames the two internal functions _cogl_get_draw/read_buffer
    as cogl_get_draw_framebuffer and _cogl_get_read_framebuffer. The
    former is now also exposed as experimental API.

 clutter/clutter-actor.c                      |    2 +-
 clutter/cogl/cogl/cogl-attribute.c           |    8 ++--
 clutter/cogl/cogl/cogl-clip-stack.c          |   10 +++---
 clutter/cogl/cogl/cogl-clip-state.c          |   12 +++---
 clutter/cogl/cogl/cogl-framebuffer-private.h |    5 +--
 clutter/cogl/cogl/cogl-framebuffer.c         |   24 +++++++-------
 clutter/cogl/cogl/cogl-journal.c             |   10 +++---
 clutter/cogl/cogl/cogl-matrix-stack.c        |    2 +-
 clutter/cogl/cogl/cogl-primitives.c          |    4 +-
 clutter/cogl/cogl/cogl-texture-2d.c          |    4 +-
 clutter/cogl/cogl/cogl-texture.c             |    2 +-
 clutter/cogl/cogl/cogl.c                     |   46 +++++++++++++-------------
 clutter/cogl/cogl/cogl.h                     |    5 ++-
 clutter/cogl/cogl/cogl2-clip-state.c         |    2 +-
 clutter/cogl/cogl/cogl2-path.c               |    6 ++--
 15 files changed, 71 insertions(+), 71 deletions(-)
---
diff --git a/clutter/clutter-actor.c b/clutter/clutter-actor.c
index 2630a52..6316a15 100644
--- a/clutter/clutter-actor.c
+++ b/clutter/clutter-actor.c
@@ -2524,7 +2524,7 @@ cull_actor (ClutterActor *self)
   const ClutterPlane *stage_clip;
   ClutterCullResult result;
 
-  if (_cogl_get_draw_buffer () != NULL)
+  if (cogl_get_draw_framebuffer () != NULL)
     {
       CLUTTER_NOTE (CLIPPING, "Bail from cull_actor without culling (%s): "
                     "Current framebuffer doesn't correspond to stage",
diff --git a/clutter/cogl/cogl/cogl-attribute.c b/clutter/cogl/cogl/cogl-attribute.c
index f106eff..591313d 100644
--- a/clutter/cogl/cogl/cogl-attribute.c
+++ b/clutter/cogl/cogl/cogl-attribute.c
@@ -480,7 +480,7 @@ enable_gl_state (CoglDrawFlags flags,
                  CoglAttribute **attributes,
                  ValidateLayerState *state)
 {
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   int i;
 #ifdef MAY_HAVE_PROGRAMABLE_GL
   GLuint generic_index = 0;
@@ -1066,7 +1066,7 @@ flush_state (CoglDrawFlags flags,
 {
   if (!(flags & COGL_DRAW_SKIP_JOURNAL_FLUSH))
     {
-      CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+      CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
       _cogl_journal_flush (framebuffer->journal, framebuffer);
     }
 
@@ -1086,8 +1086,8 @@ flush_state (CoglDrawFlags flags,
    * stack can cause some drawing which would change the array
    * pointers. */
   if (!(flags & COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH))
-    _cogl_framebuffer_flush_state (_cogl_get_draw_buffer (),
-                                   _cogl_get_read_buffer (),
+    _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
+                                   _cogl_get_read_framebuffer (),
                                    0);
 }
 
diff --git a/clutter/cogl/cogl/cogl-clip-stack.c b/clutter/cogl/cogl/cogl-clip-stack.c
index 435c4ed..1456262 100644
--- a/clutter/cogl/cogl/cogl-clip-stack.c
+++ b/clutter/cogl/cogl/cogl-clip-stack.c
@@ -77,7 +77,7 @@ set_clip_plane (GLint plane_num,
   GLdouble plane[4];
 #endif
   GLfloat angle;
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglMatrixStack *modelview_stack =
     _cogl_framebuffer_get_modelview_stack (framebuffer);
   CoglMatrixStack *projection_stack =
@@ -131,7 +131,7 @@ set_clip_planes (float x_1,
 		 float x_2,
 		 float y_2)
 {
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglMatrixStack *modelview_stack =
     _cogl_framebuffer_get_modelview_stack (framebuffer);
   CoglMatrix modelview_matrix;
@@ -192,7 +192,7 @@ add_stencil_clip_rectangle (float x_1,
                             float y_2,
                             gboolean first)
 {
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglMatrixStack *modelview_stack =
     _cogl_framebuffer_get_modelview_stack (framebuffer);
   CoglMatrixStack *projection_stack =
@@ -598,7 +598,7 @@ _cogl_clip_stack_flush (CoglClipStack *stack)
   ctx->current_clip_stack = _cogl_clip_stack_ref (stack);
 
   modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
 
   has_clip_planes = cogl_features_available (COGL_FEATURE_FOUR_CLIP_PLANES);
 
@@ -629,7 +629,7 @@ _cogl_clip_stack_flush (CoglClipStack *stack)
     scissor_x0 = scissor_y0 = scissor_x1 = scissor_y1 = scissor_y_start = 0;
   else
     {
-      CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+      CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
 
       /* We store the entry coordinates in Cogl coordinate space
        * but OpenGL requires the window origin to be the bottom
diff --git a/clutter/cogl/cogl/cogl-clip-state.c b/clutter/cogl/cogl/cogl-clip-state.c
index 19d7b0e..02b487e 100644
--- a/clutter/cogl/cogl/cogl-clip-state.c
+++ b/clutter/cogl/cogl/cogl-clip-state.c
@@ -51,7 +51,7 @@ cogl_clip_push_window_rectangle (int x_offset,
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   clip_state->stacks->data =
@@ -82,7 +82,7 @@ cogl_clip_push_rectangle (float x_1,
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   cogl_get_modelview_matrix (&modelview_matrix);
@@ -139,7 +139,7 @@ cogl_clip_pop (void)
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   _cogl_clip_pop_real (clip_state);
@@ -157,7 +157,7 @@ _cogl_clip_state_flush (CoglClipState *clip_state)
 void
 cogl_clip_ensure (void)
 {
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglClipState *clip_state;
 
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
@@ -183,7 +183,7 @@ cogl_clip_stack_save (void)
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   _cogl_clip_stack_save_real (clip_state);
@@ -213,7 +213,7 @@ cogl_clip_stack_restore (void)
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   _cogl_clip_stack_restore_real (clip_state);
diff --git a/clutter/cogl/cogl/cogl-framebuffer-private.h b/clutter/cogl/cogl/cogl-framebuffer-private.h
index b1a99a8..fc95664 100644
--- a/clutter/cogl/cogl/cogl-framebuffer-private.h
+++ b/clutter/cogl/cogl/cogl-framebuffer-private.h
@@ -241,10 +241,7 @@ CoglHandle
 _cogl_onscreen_new (void);
 
 CoglFramebuffer *
-_cogl_get_draw_buffer (void);
-
-CoglFramebuffer *
-_cogl_get_read_buffer (void);
+_cogl_get_read_framebuffer (void);
 
 GSList *
 _cogl_create_framebuffer_stack (void);
diff --git a/clutter/cogl/cogl/cogl-framebuffer.c b/clutter/cogl/cogl/cogl-framebuffer.c
index 543fd35..b357609 100644
--- a/clutter/cogl/cogl/cogl-framebuffer.c
+++ b/clutter/cogl/cogl/cogl-framebuffer.c
@@ -513,7 +513,7 @@ _cogl_framebuffer_set_viewport (CoglFramebuffer *framebuffer,
   framebuffer->viewport_width = width;
   framebuffer->viewport_height = height;
 
-  if (framebuffer->context && _cogl_get_draw_buffer () == framebuffer)
+  if (framebuffer->context && cogl_get_draw_framebuffer () == framebuffer)
     framebuffer->context->dirty_gl_viewport = TRUE;
 }
 
@@ -1100,8 +1100,8 @@ _cogl_set_framebuffers (CoglFramebuffer *draw_buffer,
   g_return_if_fail (_cogl_is_framebuffer (draw_buffer));
   g_return_if_fail (_cogl_is_framebuffer (read_buffer));
 
-  current_draw_buffer = _cogl_get_draw_buffer ();
-  current_read_buffer = _cogl_get_read_buffer ();
+  current_draw_buffer = cogl_get_draw_framebuffer ();
+  current_read_buffer = _cogl_get_read_framebuffer ();
 
   if (current_draw_buffer != draw_buffer ||
       current_read_buffer != read_buffer)
@@ -1142,7 +1142,7 @@ cogl_set_draw_buffer (CoglBufferTarget target, CoglHandle handle)
 }
 
 CoglFramebuffer *
-_cogl_get_draw_buffer (void)
+cogl_get_draw_framebuffer (void)
 {
   CoglFramebufferStackEntry *entry;
 
@@ -1156,7 +1156,7 @@ _cogl_get_draw_buffer (void)
 }
 
 CoglFramebuffer *
-_cogl_get_read_buffer (void)
+_cogl_get_read_framebuffer (void)
 {
   CoglFramebufferStackEntry *entry;
 
@@ -1187,8 +1187,8 @@ _cogl_push_framebuffers (CoglFramebuffer *draw_buffer,
 
   /* Copy the top of the stack so that when we call cogl_set_framebuffer
      it will still know what the old framebuffer was */
-  old_draw_buffer = cogl_object_ref (_cogl_get_draw_buffer ());
-  old_read_buffer = cogl_object_ref (_cogl_get_read_buffer ());
+  old_draw_buffer = cogl_object_ref (cogl_get_draw_framebuffer ());
+  old_read_buffer = cogl_object_ref (_cogl_get_read_framebuffer ());
   ctx->framebuffer_stack =
     g_slist_prepend (ctx->framebuffer_stack,
                      create_stack_entry (old_draw_buffer,
@@ -1207,7 +1207,7 @@ cogl_push_framebuffer (CoglFramebuffer *buffer)
 void
 cogl_push_draw_buffer (void)
 {
-  cogl_push_framebuffer (_cogl_get_draw_buffer ());
+  cogl_push_framebuffer (cogl_get_draw_framebuffer ());
 }
 
 void
@@ -1450,8 +1450,8 @@ _cogl_blit_framebuffer (unsigned int src_x,
   CoglFramebuffer *read_buffer;
   CoglContext *ctx;
 
-  draw_buffer = _cogl_get_draw_buffer ();
-  read_buffer = _cogl_get_read_buffer ();
+  draw_buffer = cogl_get_draw_framebuffer ();
+  read_buffer = _cogl_get_read_framebuffer ();
   ctx = draw_buffer->context;
 
   g_return_if_fail (cogl_features_available (COGL_FEATURE_OFFSCREEN_BLIT));
@@ -1465,8 +1465,8 @@ _cogl_blit_framebuffer (unsigned int src_x,
 
   /* Make sure the current framebuffers are bound. We explicitly avoid
      flushing the clip state so we can bind our own empty state */
-  _cogl_framebuffer_flush_state (_cogl_get_draw_buffer (),
-                                 _cogl_get_read_buffer (),
+  _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
+                                 _cogl_get_read_framebuffer (),
                                  COGL_FRAMEBUFFER_FLUSH_SKIP_CLIP_STATE);
 
   /* Flush any empty clip stack because glBlitFramebuffer is affected
diff --git a/clutter/cogl/cogl/cogl-journal.c b/clutter/cogl/cogl/cogl-journal.c
index 01db3b8..b0fbac7 100644
--- a/clutter/cogl/cogl/cogl-journal.c
+++ b/clutter/cogl/cogl/cogl-journal.c
@@ -1519,7 +1519,7 @@ _cogl_journal_log_quad (CoglJournal  *journal,
 
   entry->pipeline = _cogl_pipeline_journal_ref (source);
 
-  clip_stack = _cogl_framebuffer_get_clip_stack (_cogl_get_draw_buffer ());
+  clip_stack = _cogl_framebuffer_get_clip_stack (cogl_get_draw_framebuffer ());
   entry->clip_stack = _cogl_clip_stack_ref (clip_stack);
 
   if (G_UNLIKELY (source != pipeline))
@@ -1529,7 +1529,7 @@ _cogl_journal_log_quad (CoglJournal  *journal,
 
   _cogl_pipeline_foreach_layer_internal (pipeline,
                                          add_framebuffer_deps_cb,
-                                         _cogl_get_draw_buffer ());
+                                         cogl_get_draw_framebuffer ());
 
   /* XXX: It doesn't feel very nice that in this case we just assume
    * that the journal is associated with the current framebuffer. I
@@ -1537,7 +1537,7 @@ _cogl_journal_log_quad (CoglJournal  *journal,
    * the reason we don't have that currently is that it would
    * introduce a circular reference. */
   if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_BATCHING)))
-    _cogl_framebuffer_flush_journal (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_flush_journal (cogl_get_draw_framebuffer ());
 
   COGL_TIMER_STOP (_cogl_uprof_context, log_timer);
 }
@@ -1588,7 +1588,7 @@ entry_to_screen_polygon (const CoglJournalEntry *entry,
                                 4 /* n_points */);
 
   projection_stack =
-    _cogl_framebuffer_get_projection_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_projection_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_get (projection_stack, &projection);
 
   cogl_matrix_project_points (&projection,
@@ -1600,7 +1600,7 @@ entry_to_screen_polygon (const CoglJournalEntry *entry,
                               poly, /* points_out */
                               4 /* n_points */);
 
-  _cogl_framebuffer_get_viewport4fv (_cogl_get_draw_buffer (),
+  _cogl_framebuffer_get_viewport4fv (cogl_get_draw_framebuffer (),
                                      viewport);
 
 /* Scale from OpenGL normalized device coordinates (ranging from -1 to 1)
diff --git a/clutter/cogl/cogl/cogl-matrix-stack.c b/clutter/cogl/cogl/cogl-matrix-stack.c
index a673de1..d844c7b 100644
--- a/clutter/cogl/cogl/cogl-matrix-stack.c
+++ b/clutter/cogl/cogl/cogl-matrix-stack.c
@@ -434,7 +434,7 @@ _cogl_matrix_stack_prepare_for_flush (CoglMatrixStack *stack,
    * always render upside down to offscreen buffers.
    */
   if (mode == COGL_MATRIX_PROJECTION &&
-      cogl_is_offscreen (_cogl_get_draw_buffer ()))
+      cogl_is_offscreen (cogl_get_draw_framebuffer ()))
     {
       CoglMatrix flipped_projection;
       CoglMatrix *projection =
diff --git a/clutter/cogl/cogl/cogl-primitives.c b/clutter/cogl/cogl/cogl-primitives.c
index e5ff820..2931126 100644
--- a/clutter/cogl/cogl/cogl-primitives.c
+++ b/clutter/cogl/cogl/cogl-primitives.c
@@ -78,7 +78,7 @@ log_quad_sub_textures_cb (CoglHandle texture_handle,
                           void *user_data)
 {
   TextureSlicedQuadState *state = user_data;
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglHandle texture_override;
   float quad_coords[4];
 
@@ -542,7 +542,7 @@ _cogl_multitexture_quad_single_primitive (const float  *position,
   if (state.override_pipeline)
     pipeline = state.override_pipeline;
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   _cogl_journal_log_quad (framebuffer->journal,
                           position,
                           pipeline,
diff --git a/clutter/cogl/cogl/cogl-texture-2d.c b/clutter/cogl/cogl/cogl-texture-2d.c
index adbcf85..05a455a 100644
--- a/clutter/cogl/cogl/cogl-texture-2d.c
+++ b/clutter/cogl/cogl/cogl-texture-2d.c
@@ -459,8 +459,8 @@ _cogl_texture_2d_copy_from_framebuffer (CoglHandle handle,
 
   /* Make sure the current framebuffers are bound. We explicitly avoid
      flushing the clip state so we can bind our own empty state */
-  _cogl_framebuffer_flush_state (_cogl_get_draw_buffer (),
-                                 _cogl_get_read_buffer (),
+  _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
+                                 _cogl_get_read_framebuffer (),
                                  0);
 
   _cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
diff --git a/clutter/cogl/cogl/cogl-texture.c b/clutter/cogl/cogl/cogl-texture.c
index e1f0c2c..4bf58ae 100644
--- a/clutter/cogl/cogl/cogl-texture.c
+++ b/clutter/cogl/cogl/cogl-texture.c
@@ -1048,7 +1048,7 @@ _cogl_texture_draw_and_read (CoglHandle   handle,
 
   bpp = _cogl_get_format_bpp (COGL_PIXEL_FORMAT_RGBA_8888);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   /* Viewport needs to have some size and be inside the window for this */
   _cogl_framebuffer_get_viewport4fv (framebuffer, viewport);
   if (viewport[0] <  0 || viewport[1] <  0 ||
diff --git a/clutter/cogl/cogl/cogl.c b/clutter/cogl/cogl/cogl.c
index 4ee9318..aa483c9 100644
--- a/clutter/cogl/cogl/cogl.c
+++ b/clutter/cogl/cogl/cogl.c
@@ -151,7 +151,7 @@ cogl_check_extension (const char *name, const char *ext)
 void
 cogl_clear (const CoglColor *color, unsigned long buffers)
 {
-  _cogl_framebuffer_clear (_cogl_get_draw_buffer (), buffers, color);
+  _cogl_framebuffer_clear (cogl_get_draw_framebuffer (), buffers, color);
 }
 
 static gboolean
@@ -282,7 +282,7 @@ cogl_set_backface_culling_enabled (gboolean setting)
     return;
 
   /* Currently the journal can't track changes to backface culling state... */
-  _cogl_framebuffer_flush_journal (_cogl_get_draw_buffer ());
+  _cogl_framebuffer_flush_journal (cogl_get_draw_framebuffer ());
 
   ctx->enable_backface_culling = setting;
 }
@@ -311,7 +311,7 @@ _cogl_flush_face_winding (void)
    * all offscreen rendering is done upside down resulting in reversed winding
    * for all triangles.
    */
-  if (cogl_is_offscreen (_cogl_get_draw_buffer ()))
+  if (cogl_is_offscreen (cogl_get_draw_framebuffer ()))
     winding = COGL_FRONT_WINDING_CLOCKWISE;
   else
     winding = COGL_FRONT_WINDING_COUNTER_CLOCKWISE;
@@ -360,7 +360,7 @@ cogl_set_viewport (int x,
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
 
   _cogl_framebuffer_set_viewport (framebuffer,
                                   x,
@@ -413,7 +413,7 @@ cogl_get_viewport (float viewport[4])
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   _cogl_framebuffer_get_viewport4fv (framebuffer, viewport);
 }
 
@@ -425,7 +425,7 @@ cogl_get_bitmasks (int *red,
 {
   CoglFramebuffer *framebuffer;
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
 
   if (red)
     *red = _cogl_framebuffer_get_red_bits (framebuffer);
@@ -492,7 +492,7 @@ _cogl_read_pixels_with_rowstride (int x,
                                   guint8 *pixels,
                                   int rowstride)
 {
-  CoglFramebuffer *framebuffer = _cogl_get_read_buffer ();
+  CoglFramebuffer *framebuffer = _cogl_get_read_framebuffer ();
   int              framebuffer_height;
   int              bpp;
   CoglBitmap      *bmp;
@@ -532,7 +532,7 @@ _cogl_read_pixels_with_rowstride (int x,
    */
   cogl_flush ();
 
-  _cogl_framebuffer_flush_state (_cogl_get_draw_buffer (),
+  _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
                                  framebuffer,
                                  0);
 
@@ -703,8 +703,8 @@ cogl_begin_gl (void)
    * NB: _cogl_framebuffer_flush_state may disrupt various state (such
    * as the pipeline state) when flushing the clip stack, so should
    * always be done first when preparing to draw. */
-  _cogl_framebuffer_flush_state (_cogl_get_draw_buffer (),
-                                 _cogl_get_read_buffer (),
+  _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
+                                 _cogl_get_read_framebuffer (),
                                  0);
 
   /* Setup the state for the current pipeline */
@@ -761,7 +761,7 @@ void
 cogl_push_matrix (void)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_push (modelview_stack);
 }
 
@@ -769,7 +769,7 @@ void
 cogl_pop_matrix (void)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_pop (modelview_stack);
 }
 
@@ -777,7 +777,7 @@ void
 cogl_scale (float x, float y, float z)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_scale (modelview_stack, x, y, z);
 }
 
@@ -785,7 +785,7 @@ void
 cogl_translate (float x, float y, float z)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_translate (modelview_stack, x, y, z);
 }
 
@@ -793,7 +793,7 @@ void
 cogl_rotate (float angle, float x, float y, float z)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_rotate (modelview_stack, angle, x, y, z);
 }
 
@@ -801,7 +801,7 @@ void
 cogl_transform (const CoglMatrix *matrix)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_multiply (modelview_stack, matrix);
 }
 
@@ -830,7 +830,7 @@ cogl_frustum (float        left,
 	      float        z_far)
 {
   CoglMatrixStack *projection_stack =
-    _cogl_framebuffer_get_projection_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_projection_stack (cogl_get_draw_framebuffer ());
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
@@ -855,7 +855,7 @@ cogl_ortho (float left,
 {
   CoglMatrix ortho;
   CoglMatrixStack *projection_stack =
-    _cogl_framebuffer_get_projection_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_projection_stack (cogl_get_draw_framebuffer ());
 
   _COGL_GET_CONTEXT (ctx, NO_RETVAL);
 
@@ -868,7 +868,7 @@ void
 cogl_get_modelview_matrix (CoglMatrix *matrix)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_get (modelview_stack, matrix);
   _COGL_MATRIX_DEBUG_PRINT (matrix);
 }
@@ -877,7 +877,7 @@ void
 cogl_set_modelview_matrix (CoglMatrix *matrix)
 {
   CoglMatrixStack *modelview_stack =
-    _cogl_framebuffer_get_modelview_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_modelview_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_set (modelview_stack, matrix);
   _COGL_MATRIX_DEBUG_PRINT (matrix);
 }
@@ -886,7 +886,7 @@ void
 cogl_get_projection_matrix (CoglMatrix *matrix)
 {
   CoglMatrixStack *projection_stack =
-    _cogl_framebuffer_get_projection_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_projection_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_get (projection_stack, matrix);
   _COGL_MATRIX_DEBUG_PRINT (matrix);
 }
@@ -895,7 +895,7 @@ void
 cogl_set_projection_matrix (CoglMatrix *matrix)
 {
   CoglMatrixStack *projection_stack =
-    _cogl_framebuffer_get_projection_stack (_cogl_get_draw_buffer ());
+    _cogl_framebuffer_get_projection_stack (cogl_get_draw_framebuffer ());
   _cogl_matrix_stack_set (projection_stack, matrix);
 
   /* FIXME: Update the inverse projection matrix!! Presumably use
@@ -908,7 +908,7 @@ _cogl_get_clip_state (void)
 {
   CoglFramebuffer *framebuffer;
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   return _cogl_framebuffer_get_clip_state (framebuffer);
 }
 
diff --git a/clutter/cogl/cogl/cogl.h b/clutter/cogl/cogl/cogl.h
index 11ee5c4..28f2f3d 100644
--- a/clutter/cogl/cogl/cogl.h
+++ b/clutter/cogl/cogl/cogl.h
@@ -1280,8 +1280,11 @@ _cogl_driver_error_quark (void);
 void
 _cogl_onscreen_clutter_backend_set_size (int width, int height);
 
+#ifdef COGL_ENABLE_EXPERIMENTAL_API
+#define cogl_get_draw_framebuffer cogl_get_draw_framebuffer_EXP
 CoglFramebuffer *
-_cogl_get_draw_buffer (void);
+cogl_get_draw_framebuffer (void);
+#endif
 
 G_END_DECLS
 
diff --git a/clutter/cogl/cogl/cogl2-clip-state.c b/clutter/cogl/cogl/cogl2-clip-state.c
index 9b56ab9..347e0da 100644
--- a/clutter/cogl/cogl/cogl2-clip-state.c
+++ b/clutter/cogl/cogl/cogl2-clip-state.c
@@ -37,7 +37,7 @@ cogl2_clip_push_from_path (CoglPath *path)
   CoglClipState *clip_state;
   CoglMatrix modelview_matrix;
 
-  framebuffer = _cogl_get_draw_buffer ();
+  framebuffer = cogl_get_draw_framebuffer ();
   clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
 
   cogl_get_modelview_matrix (&modelview_matrix);
diff --git a/clutter/cogl/cogl/cogl2-path.c b/clutter/cogl/cogl/cogl2-path.c
index 9a9abdb..b9d1ea1 100644
--- a/clutter/cogl/cogl/cogl2-path.c
+++ b/clutter/cogl/cogl/cogl2-path.c
@@ -360,7 +360,7 @@ _cogl_add_path_to_stencil_buffer (CoglPath *path,
                                   gboolean need_clear)
 {
   CoglPathData *data = path->data;
-  CoglFramebuffer *framebuffer = _cogl_get_draw_buffer ();
+  CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer ();
   CoglMatrixStack *modelview_stack =
     _cogl_framebuffer_get_modelview_stack (framebuffer);
   CoglMatrixStack *projection_stack =
@@ -484,7 +484,7 @@ cogl2_path_fill (CoglPath *path)
     }
   else
     {
-      framebuffer = _cogl_get_draw_buffer ();
+      framebuffer = cogl_get_draw_framebuffer ();
 
       _cogl_framebuffer_flush_journal (framebuffer);
 
@@ -492,7 +492,7 @@ cogl2_path_fill (CoglPath *path)
        * as the pipeline state) when flushing the clip stack, so should
        * always be done first when preparing to draw. */
       _cogl_framebuffer_flush_state (framebuffer,
-                                     _cogl_get_read_buffer (),
+                                     _cogl_get_read_framebuffer (),
                                      0);
 
       _cogl_path_fill_nodes (path);
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