cogl: Remove cogl_handle_ref/unref

This is for all intents and purposes the same as
`cogl_object_ref/unref`, but still refers to handles rather than
objects (while we're trying to get rid of the former) so it's a bit of
unnecessary redundant API.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/451

src/tests/clutter/interactive/test-cogl-multitexture.c

@@ -225,12 +225,12 @@ test_cogl_multitexture_main (int argc, char *argv[])
 
   clutter_main();
 
-  cogl_handle_unref (state->material1);
-  cogl_handle_unref (state->material0);
-  cogl_handle_unref (state->alpha_tex);
-  cogl_handle_unref (state->redhand_tex);
-  cogl_handle_unref (state->light_tex0);
-  cogl_handle_unref (state->light_tex1);
+  cogl_object_unref (state->material1);
+  cogl_object_unref (state->material0);
+  cogl_object_unref (state->alpha_tex);
+  cogl_object_unref (state->redhand_tex);
+  cogl_object_unref (state->light_tex0);
+  cogl_object_unref (state->light_tex1);
   g_free (state);
 
   return 0;

src/tests/clutter/interactive/test-cogl-offscreen.c

@@ -133,8 +133,8 @@ test_coglbox_dispose (GObject *object)
 
   priv = TEST_COGLBOX_GET_PRIVATE (object);
 
-  cogl_handle_unref (priv->texture_id);
-  cogl_handle_unref (priv->offscreen_id);
+  cogl_object_unref (priv->texture_id);
+  cogl_object_unref (priv->offscreen_id);
 
   G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
 }

src/tests/clutter/interactive/test-cogl-point-sprites.c

@@ -209,7 +209,7 @@ paint_cb (ClutterActor *stage, Data *data)
   cogl_set_source (data->material);
   cogl_vertex_buffer_draw (vbo, COGL_VERTICES_MODE_POINTS, 0, N_SPARKS);
 
-  cogl_handle_unref (vbo);
+  cogl_object_unref (vbo);
 
   cogl_set_projection_matrix (&old_matrix);
   cogl_pop_matrix ();
@@ -242,7 +242,7 @@ test_cogl_point_sprites_main (int argc, char *argv[])
 
   tex = generate_round_texture ();
   cogl_material_set_layer (data.material, 0, tex);
-  cogl_handle_unref (tex);
+  cogl_object_unref (tex);
 
   if (!cogl_material_set_layer_point_sprite_coords_enabled (data.material,
                                                             0, TRUE,

src/tests/clutter/interactive/test-cogl-shader-glsl.c

@@ -197,7 +197,7 @@ set_shader_num (int new_no)
 
   program = cogl_create_program ();
   cogl_program_attach_shader (program, shader);
-  cogl_handle_unref (shader);
+  cogl_object_unref (shader);
   cogl_program_link (program);
 
   uniform_no = cogl_program_get_uniform_location (program, "tex");
@@ -215,7 +215,7 @@ set_shader_num (int new_no)
   cogl_program_set_uniform_1f (program, uniform_no, 1.0f / image_height);
 
   cogl_material_set_user_program (material, program);
-  cogl_handle_unref (program);
+  cogl_object_unref (program);
 
   shader_no = new_no;
 }

src/tests/clutter/interactive/test-cogl-tex-convert.c

@@ -137,7 +137,7 @@ test_coglbox_dispose (GObject *object)
   TestCoglboxPrivate *priv;
   
   priv = TEST_COGLBOX_GET_PRIVATE (object);
-  cogl_handle_unref (priv->cogl_tex_id);
+  cogl_object_unref (priv->cogl_tex_id);
   
   G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
 }

src/tests/clutter/interactive/test-cogl-tex-polygon.c

@@ -220,7 +220,7 @@ test_coglbox_paint (ClutterActor *self)
 
   cogl_pop_matrix ();
 
-  cogl_handle_unref (material);
+  cogl_object_unref (material);
 }
 
 static void
@@ -235,8 +235,8 @@ test_coglbox_dispose (GObject *object)
   TestCoglboxPrivate *priv;
 
   priv = TEST_COGLBOX_GET_PRIVATE (object);
-  cogl_handle_unref (priv->not_sliced_tex);
-  cogl_handle_unref (priv->sliced_tex);
+  cogl_object_unref (priv->not_sliced_tex);
+  cogl_object_unref (priv->sliced_tex);
 
   G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
 }

src/tests/clutter/interactive/test-cogl-tex-tile.c

@@ -134,7 +134,7 @@ test_coglbox_dispose (GObject *object)
   TestCoglboxPrivate *priv;
 
   priv = TEST_COGLBOX_GET_PRIVATE (object);
-  cogl_handle_unref (priv->cogl_tex_id);
+  cogl_object_unref (priv->cogl_tex_id);
 
   G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
 }

src/tests/clutter/interactive/test-cogl-vertex-buffer.c

@@ -383,8 +383,8 @@ test_cogl_vertex_buffer_main (int argc, char *argv[])
 
   clutter_main ();
 
-  cogl_handle_unref (state.buffer);
-  cogl_handle_unref (state.indices);
+  cogl_object_unref (state.buffer);
+  cogl_object_unref (state.indices);
 
   return 0;
 }