forked from AuroraMiddleware/gtk
fbefec52a5
When sending render nodes from the client to the daemon we add an id, and whenever we're about to re-send the entire tree node we instead send the old id. We track all the nodes for the previous frame of the surface this way. Having the id on the daemon side will allow us do to much better deltas.
103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* Copyright © 2018 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkconfig.h"
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#include "gdkdrawcontext-broadway.h"
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#include "gdktextureprivate.h"
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#include "gdkprivate-broadway.h"
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G_DEFINE_TYPE (GdkBroadwayDrawContext, gdk_broadway_draw_context, GDK_TYPE_DRAW_CONTEXT)
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static void
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gdk_broadway_draw_context_dispose (GObject *object)
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{
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G_OBJECT_CLASS (gdk_broadway_draw_context_parent_class)->dispose (object);
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}
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static void
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gdk_broadway_draw_context_begin_frame (GdkDrawContext *draw_context,
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cairo_region_t *region)
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{
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GdkBroadwayDrawContext *self = GDK_BROADWAY_DRAW_CONTEXT (draw_context);
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GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (self));
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cairo_region_union_rectangle (region,
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&(cairo_rectangle_int_t) {
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0, 0,
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gdk_surface_get_width (surface),
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gdk_surface_get_height (surface)
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});
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g_assert (self->nodes == NULL);
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g_assert (self->node_textures == NULL);
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self->nodes = g_array_new (FALSE, FALSE, sizeof(guint32));
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self->node_textures = g_ptr_array_new_with_free_func (g_object_unref);
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}
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static void
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gdk_broadway_draw_context_end_frame (GdkDrawContext *draw_context,
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cairo_region_t *painted)
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{
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GdkBroadwayDrawContext *self = GDK_BROADWAY_DRAW_CONTEXT (draw_context);
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GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
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gdk_broadway_surface_set_nodes (surface, self->nodes, self->node_textures);
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g_array_unref (self->nodes);
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self->nodes = NULL;
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/* We now sent all new texture refs to the daemon via the nodes, so we can drop them here */
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g_ptr_array_unref (self->node_textures);
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self->node_textures = NULL;
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}
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static void
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gdk_broadway_draw_context_surface_resized (GdkDrawContext *draw_context)
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{
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}
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static void
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gdk_broadway_draw_context_class_init (GdkBroadwayDrawContextClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
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gobject_class->dispose = gdk_broadway_draw_context_dispose;
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draw_context_class->begin_frame = gdk_broadway_draw_context_begin_frame;
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draw_context_class->end_frame = gdk_broadway_draw_context_end_frame;
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draw_context_class->surface_resized = gdk_broadway_draw_context_surface_resized;
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}
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static void
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gdk_broadway_draw_context_init (GdkBroadwayDrawContext *self)
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{
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}
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GdkBroadwayDrawContext *
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gdk_broadway_draw_context_context (GdkSurface *surface)
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{
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return g_object_new (GDK_TYPE_BROADWAY_DRAW_CONTEXT,
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"surface", surface,
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NULL);
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}
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