c6493885c3
This backend is a event backend that can be enabled for EGL (for now). It uses udev (gudev) to query input devices on a linux system, listens to keyboard events from input devices and xkbcommon to translate raw key codes into key keysyms. This commit only supports key events, more to follow.
156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/* Clutter.
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2006, 2007 OpenedHand
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* Copyright (C) 2010 Intel Corp
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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* Authors:
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* Matthew Allum
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* Robert Bragg
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*/
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#ifndef __CLUTTER_BACKEND_EGL_H__
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#define __CLUTTER_BACKEND_EGL_H__
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#include <glib-object.h>
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#include <clutter/clutter-event.h>
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#include <clutter/clutter-backend.h>
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#include <clutter/clutter-device-manager.h>
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#ifdef COGL_HAS_XLIB_SUPPORT
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#endif
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#include "clutter-backend-private.h"
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#include "clutter-egl-headers.h"
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#ifdef COGL_HAS_X11_SUPPORT
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#include "../x11/clutter-backend-x11.h"
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#endif
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#include "clutter-egl.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_BACKEND_EGL (_clutter_backend_egl_get_type ())
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#define CLUTTER_BACKEND_EGL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGL))
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#define CLUTTER_IS_BACKEND_EGL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BACKEND_EGL))
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#define CLUTTER_BACKEND_EGL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGLClass))
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#define CLUTTER_IS_BACKEND_EGL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND_EGL))
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#define CLUTTER_BACKEND_EGL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGLClass))
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typedef struct _ClutterBackendEGL ClutterBackendEGL;
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typedef struct _ClutterBackendEGLClass ClutterBackendEGLClass;
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typedef enum ClutterEGLVBlankType {
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CLUTTER_VBLANK_NONE = 0,
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CLUTTER_VBLANK_SWAP_INTERVAL
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} ClutterEGLVBlankType;
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typedef void (*BlitFramebufferProc) (GLint srcX0,
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GLint srcY0,
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GLint srcX1,
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GLint srcY1,
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GLint dstX0,
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GLint dstY0,
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GLint dstX1,
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GLint dstY1,
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GLbitfield mask,
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GLenum filter);
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typedef EGLBoolean (*SwapBuffersRegionProc) (EGLDisplay dpy,
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EGLSurface surface,
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EGLint numRects,
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const EGLint *rects);
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struct _ClutterBackendEGL
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{
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#ifdef COGL_HAS_XLIB_SUPPORT
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ClutterBackendX11 parent_instance;
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/* EGL Specific */
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EGLDisplay edpy;
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EGLContext egl_context;
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EGLConfig egl_config;
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Window dummy_xwin;
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EGLSurface dummy_surface;
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#else /* COGL_HAS_X11_SUPPORT */
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ClutterBackend parent_instance;
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/* EGL Specific */
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EGLDisplay edpy;
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EGLSurface egl_surface;
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EGLContext egl_context;
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/* from the backend */
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gint surface_width;
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gint surface_height;
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/* main stage singleton */
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ClutterStageWindow *stage;
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/* device manager (ie evdev) */
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ClutterDeviceManager *device_manager;
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/* event source */
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GSource *event_source;
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/* event timer */
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GTimer *event_timer;
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/* FB device */
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gint fb_device_id;
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#endif /* COGL_HAS_X11_SUPPORT */
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gint egl_version_major;
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gint egl_version_minor;
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ClutterEGLVBlankType vblank_type;
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gboolean can_blit_sub_buffer;
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BlitFramebufferProc blit_framebuffer;
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SwapBuffersRegionProc swap_buffers_region;
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gboolean blit_sub_buffer_is_synchronized;
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};
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struct _ClutterBackendEGLClass
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{
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#ifdef COGL_HAS_XLIB_SUPPORT
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ClutterBackendX11Class parent_class;
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#else
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ClutterBackendClass parent_class;
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#endif
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};
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GType _clutter_backend_egl_get_type (void) G_GNUC_CONST;
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void _clutter_events_egl_init (ClutterBackendEGL *backend);
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void _clutter_events_egl_uninit (ClutterBackendEGL *backend);
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void
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_clutter_backend_egl_blit_sub_buffer (ClutterBackendEGL *backend_egl,
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EGLSurface drawable,
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int x, int y, int width, int height);
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_EGL_H__ */
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