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ca78f5d3cb
... instead of a gl context. This requires some refactoring in the way we mark the shared context as drawing: We now call begin_frame/end_frame() on it and ignore the call on the main context. Unfortunately we need to do this check in all vfuncs, which sucks. But I haven't found a better way.
60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkdrawcontext.h: base class for rendering system support
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*
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* Copyright © 2016 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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#ifndef __GDK_DRAW_CONTEXT_PRIVATE__
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#define __GDK_DRAW_CONTEXT_PRIVATE__
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#include "gdkdrawcontext.h"
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G_BEGIN_DECLS
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#define GDK_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
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#define GDK_IS_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAW_CONTEXT))
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#define GDK_DRAW_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
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typedef struct _GdkDrawContextClass GdkDrawContextClass;
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struct _GdkDrawContext
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{
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GObject parent_instance;
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};
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struct _GdkDrawContextClass
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{
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GObjectClass parent_class;
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void (* begin_frame) (GdkDrawContext *context,
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cairo_region_t *update_area);
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void (* end_frame) (GdkDrawContext *context,
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cairo_region_t *painted,
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cairo_region_t *damage);
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};
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gboolean gdk_draw_context_is_drawing (GdkDrawContext *context);
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void gdk_draw_context_begin_frame (GdkDrawContext *context,
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cairo_region_t *region);
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void gdk_draw_context_end_frame (GdkDrawContext *context,
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cairo_region_t *painted,
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cairo_region_t *damage);
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G_END_DECLS
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#endif /* __GDK__DRAW_CONTEXT_PRIVATE__ */
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