clutter: Move ClutterStageCogl[View] code to src/backends

This is now MetaStageImpl in backend code.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1862>

clutter/clutter/meson.build

@@ -232,13 +232,9 @@ clutter_deprecated_headers = [
 ]
 
 clutter_backend_sources = []
-clutter_backend_nonintrospected_sources = [
+clutter_backend_nonintrospected_sources = []
-  'cogl/clutter-stage-cogl.c',
-]
 clutter_backend_headers = []
-clutter_backend_private_headers = [
+clutter_backend_private_headers = []
-  'cogl/clutter-stage-cogl.h',
-]
 
 if have_x11
   clutter_x11_sources = [

src/backends/meta-renderer-view.h

@@ -19,7 +19,7 @@
 #define META_RENDERER_VIEW_H
 
 #include "backends/meta-monitor-manager-private.h"
-#include "clutter/clutter-mutter.h"
+#include "backends/meta-stage-impl-private.h"
 
 #define META_TYPE_RENDERER_VIEW (meta_renderer_view_get_type ())
 G_DECLARE_FINAL_TYPE (MetaRendererView, meta_renderer_view,

src/backends/meta-stage-impl-private.h

@@ -1,11 +1,34 @@
-#ifndef __CLUTTER_STAGE_COGL_H__
+/*
-#define __CLUTTER_STAGE_COGL_H__
+ * Copyright (C) 2007,2008,2009,2010,2011  Intel Corporation.
+ * Copyright (C) 2021 Red Hat
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Written by:
+ *  Matthew Allum
+ *  Robert Bragg
+ *  Neil Roberts
+ *  Emmanuele Bassi
+ *
+ */
+
+#ifndef META_STAGE_IMPL_PRIVATE_H
+#define META_STAGE_IMPL_PRIVATE_H
 
 #include <cairo.h>
-#include <clutter/clutter-backend.h>
-#include <clutter/clutter-stage.h>
 
-#include "clutter/clutter-stage-window.h"
+#include "clutter/clutter.h"
 
 G_BEGIN_DECLS
 
@@ -62,4 +85,4 @@ void clutter_stage_cogl_add_onscreen_frame_info (ClutterStageCogl *stage_cogl,
 
 G_END_DECLS
 
-#endif /* __CLUTTER_STAGE_COGL_H__ */
+#endif /* META_STAGE_IMPL_PRIVATE_H */

src/backends/meta-stage-impl.c

@@ -25,28 +25,16 @@
  *  Emmanuele Bassi
  */
 
-#include "clutter-build-config.h"
+#include "config.h"
 
-#include "clutter-config.h"
+#include "backends/meta-stage-impl-private.h"
-
-#include "clutter-stage-cogl.h"
 
 #include <stdlib.h>
 #include <math.h>
 
-#include "clutter-actor-private.h"
+#include "clutter/clutter-mutter.h"
-#include "clutter-backend-private.h"
+#include "cogl/cogl.h"
-#include "clutter-damage-history.h"
+#include "core/util-private.h"
-#include "clutter-debug.h"
-#include "clutter-event.h"
-#include "clutter-enum-types.h"
-#include "clutter-feature.h"
-#include "clutter-frame.h"
-#include "clutter-main.h"
-#include "clutter-private.h"
-#include "clutter-stage-private.h"
-#include "clutter-stage-view-private.h"
-#include "cogl.h"
 
 #define MAX_STACK_RECTS 256
 
@@ -464,6 +452,7 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
   cairo_region_t *queued_redraw_clip = NULL;
   cairo_region_t *fb_clip_region;
   cairo_region_t *swap_region;
+  ClutterDrawDebugFlag paint_debug_flags;
   float fb_scale;
   int fb_width, fb_height;
   int buffer_age = 0;
@@ -501,9 +490,11 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
         }
     }
 
+  meta_get_clutter_debug_flags (NULL, &paint_debug_flags, NULL);
+
   use_clipped_redraw =
     use_clipped_redraw &&
-    !(clutter_paint_debug_flags & CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS) &&
+    !(paint_debug_flags & CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS) &&
     _clutter_stage_window_can_clip_redraws (stage_window) &&
     (can_blit_sub_buffer || has_buffer_age) &&
     !is_full_redraw &&
@@ -518,8 +509,7 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
                                                       -view_rect.y,
                                                       fb_scale);
 
-      if (G_UNLIKELY (clutter_paint_debug_flags &
+      if (G_UNLIKELY (paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
-                      CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
         {
           queued_redraw_clip =
             scale_offset_and_clamp_region (fb_clip_region,
@@ -541,8 +531,7 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
       g_clear_pointer (&redraw_clip, cairo_region_destroy);
       redraw_clip = cairo_region_create_rectangle (&view_rect);
 
-      if (G_UNLIKELY (clutter_paint_debug_flags &
+      if (G_UNLIKELY (paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
-                      CLUTTER_DEBUG_PAINT_DAMAGE_REGION))
         queued_redraw_clip = cairo_region_reference (redraw_clip);
     }
 
@@ -594,7 +583,7 @@ clutter_stage_cogl_redraw_view_primary (ClutterStageCogl *stage_cogl,
                                                    view_rect.y);
     }
 
-  if (clutter_paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION)
+  if (paint_debug_flags & CLUTTER_DEBUG_PAINT_DAMAGE_REGION)
     {
       cairo_region_t *debug_redraw_clip;
 

src/backends/native/meta-stage-native.h

@@ -25,6 +25,7 @@
 #ifndef META_STAGE_NATIVE_H
 #define META_STAGE_NATIVE_H
 
+#include "backends/meta-stage-impl-private.h"
 #include "clutter/clutter-mutter.h"
 
 #define META_TYPE_STAGE_NATIVE (meta_stage_native_get_type ())

src/meson.build

@@ -233,6 +233,8 @@ mutter_sources = [
   'backends/meta-settings.c',
   'backends/meta-settings-private.h',
   'backends/meta-stage.c',
+  'backends/meta-stage-impl.c',
+  'backends/meta-stage-impl-private.h',
   'backends/meta-stage-private.h',
   'backends/meta-viewport-info.c',
   'backends/meta-viewport-info.h',