mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-26 23:37:18 +00:00
4b99bba200
This should fix the occasional Wayland protocol errors that arise when
the UI thread and the cursor thread race.
Example of error that is fixed:
zwp_pointer_constraints_v1@11: error 1: a pointer constraint with a wl_pointer of the same wl_seat is already on this surface
275 lines
7.3 KiB
C
275 lines
7.3 KiB
C
/**
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* Looking Glass
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* Copyright (C) 2017-2021 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdbool.h>
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#include <sys/types.h>
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#include <wayland-client.h>
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#if defined(ENABLE_EGL) || defined(ENABLE_OPENGL)
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# include <wayland-egl.h>
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# include <EGL/egl.h>
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# include <EGL/eglext.h>
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#endif
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#include "egl_dynprocs.h"
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#include "common/locking.h"
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#include "common/countedbuffer.h"
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#include "interface/displayserver.h"
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#include "wayland-xdg-shell-client-protocol.h"
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#include "wayland-xdg-decoration-unstable-v1-client-protocol.h"
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#include "wayland-keyboard-shortcuts-inhibit-unstable-v1-client-protocol.h"
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#include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
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#include "wayland-relative-pointer-unstable-v1-client-protocol.h"
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#include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
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typedef void (*WaylandPollCallback)(uint32_t events, void * opaque);
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struct WaylandPoll
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{
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int fd;
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bool removed;
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WaylandPollCallback callback;
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void * opaque;
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struct wl_list link;
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};
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struct WaylandOutput
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{
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uint32_t name;
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int32_t scale;
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struct wl_output * output;
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uint32_t version;
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struct wl_list link;
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};
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struct SurfaceOutput
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{
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struct wl_output * output;
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struct wl_list link;
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};
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enum EGLSwapWithDamageState {
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SWAP_WITH_DAMAGE_UNKNOWN,
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SWAP_WITH_DAMAGE_UNSUPPORTED,
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SWAP_WITH_DAMAGE_KHR,
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SWAP_WITH_DAMAGE_EXT,
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};
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struct WaylandDSState
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{
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bool pointerGrabbed;
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bool keyboardGrabbed;
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bool pointerInSurface;
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bool focusedOnSurface;
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struct wl_display * display;
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struct wl_surface * surface;
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struct wl_registry * registry;
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struct wl_seat * seat;
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struct wl_shm * shm;
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struct wl_compositor * compositor;
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int32_t width, height, scale;
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bool needsResize;
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bool fullscreen;
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uint32_t resizeSerial;
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bool configured;
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bool warpSupport;
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double cursorX, cursorY;
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#if defined(ENABLE_EGL) || defined(ENABLE_OPENGL)
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struct wl_egl_window * eglWindow;
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bool eglSwapWithDamageInit;
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eglSwapBuffersWithDamageKHR_t eglSwapWithDamage;
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EGLint * eglDamageRects;
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int eglDamageRectCount;
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#endif
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#ifdef ENABLE_OPENGL
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EGLDisplay glDisplay;
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EGLConfig glConfig;
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EGLSurface glSurface;
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#endif
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#ifdef ENABLE_LIBDECOR
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struct libdecor * libdecor;
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struct libdecor_frame * libdecorFrame;
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#else
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struct xdg_wm_base * xdgWmBase;
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struct xdg_surface * xdgSurface;
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struct xdg_toplevel * xdgToplevel;
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struct zxdg_decoration_manager_v1 * xdgDecorationManager;
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struct zxdg_toplevel_decoration_v1 * xdgToplevelDecoration;
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#endif
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struct wl_surface * cursor;
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struct wl_buffer * cursorBuffer;
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struct wl_data_device_manager * dataDeviceManager;
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uint32_t capabilities;
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struct wl_keyboard * keyboard;
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struct zwp_keyboard_shortcuts_inhibit_manager_v1 * keyboardInhibitManager;
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struct zwp_keyboard_shortcuts_inhibitor_v1 * keyboardInhibitor;
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uint32_t keyboardEnterSerial;
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struct wl_pointer * pointer;
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struct zwp_relative_pointer_manager_v1 * relativePointerManager;
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struct zwp_pointer_constraints_v1 * pointerConstraints;
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struct zwp_relative_pointer_v1 * relativePointer;
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struct zwp_confined_pointer_v1 * confinedPointer;
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struct zwp_locked_pointer_v1 * lockedPointer;
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bool showPointer;
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uint32_t pointerEnterSerial;
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LG_Lock confineLock;
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struct zwp_idle_inhibit_manager_v1 * idleInhibitManager;
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struct zwp_idle_inhibitor_v1 * idleInhibitor;
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struct wl_list outputs; // WaylandOutput::link
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struct wl_list surfaceOutputs; // SurfaceOutput::link
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struct wl_list poll; // WaylandPoll::link
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struct wl_list pollFree; // WaylandPoll::link
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LG_Lock pollLock;
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LG_Lock pollFreeLock;
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int epollFd;
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int displayFd;
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};
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struct WCBTransfer
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{
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struct CountedBuffer * data;
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const char ** mimetypes;
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};
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struct ClipboardRead
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{
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int fd;
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size_t size;
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size_t numRead;
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uint8_t * buf;
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enum LG_ClipboardData type;
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struct wl_data_offer * offer;
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};
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struct WCBState
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{
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struct wl_data_device * dataDevice;
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char lgMimetype[64];
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char * mimetypes[LG_CLIPBOARD_DATA_NONE];
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struct wl_data_offer * offer;
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struct wl_data_offer * dndOffer;
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bool haveRequest;
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LG_ClipboardData type;
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struct ClipboardRead * currentRead;
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};
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extern struct WaylandDSState wlWm;
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extern struct WCBState wlCb;
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// clipboard module
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bool waylandCBInit(void);
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void waylandCBRequest(LG_ClipboardData type);
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void waylandCBNotice(LG_ClipboardData type);
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void waylandCBRelease(void);
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void waylandCBInvalidate(void);
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// cursor module
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bool waylandCursorInit(void);
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void waylandCursorFree(void);
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void waylandShowPointer(bool show);
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// gl module
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#if defined(ENABLE_EGL) || defined(ENABLE_OPENGL)
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bool waylandEGLInit(int w, int h);
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EGLDisplay waylandGetEGLDisplay(void);
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void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface, const struct Rect * damage, int count);
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#endif
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#ifdef ENABLE_EGL
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EGLNativeWindowType waylandGetEGLNativeWindow(void);
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#endif
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#ifdef ENABLE_OPENGL
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bool waylandOpenGLInit(void);
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LG_DSGLContext waylandGLCreateContext(void);
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void waylandGLDeleteContext(LG_DSGLContext context);
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void waylandGLMakeCurrent(LG_DSGLContext context);
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void waylandGLSetSwapInterval(int interval);
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void waylandGLSwapBuffers(void);
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#endif
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// idle module
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bool waylandIdleInit(void);
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void waylandIdleFree(void);
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void waylandInhibitIdle(void);
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void waylandUninhibitIdle(void);
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// input module
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bool waylandInputInit(void);
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void waylandInputFree(void);
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void waylandGrabKeyboard(void);
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void waylandGrabPointer(void);
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void waylandUngrabKeyboard(void);
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void waylandUngrabPointer(void);
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void waylandCapturePointer(void);
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void waylandUncapturePointer(void);
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void waylandRealignPointer(void);
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void waylandWarpPointer(int x, int y, bool exiting);
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void waylandGuestPointerUpdated(double x, double y, double localX, double localY);
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// output module
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bool waylandOutputInit(void);
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void waylandOutputFree(void);
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void waylandOutputBind(uint32_t name, uint32_t version);
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void waylandOutputTryUnbind(uint32_t name);
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int32_t waylandOutputGetScale(struct wl_output * output);
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// poll module
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bool waylandPollInit(void);
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void waylandWait(unsigned int time);
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bool waylandPollRegister(int fd, WaylandPollCallback callback, void * opaque, uint32_t events);
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bool waylandPollUnregister(int fd);
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// registry module
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bool waylandRegistryInit(void);
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void waylandRegistryFree(void);
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// shell module
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bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless);
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void waylandShellAckConfigureIfNeeded(void);
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void waylandSetFullscreen(bool fs);
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bool waylandGetFullscreen(void);
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void waylandMinimize(void);
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// window module
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bool waylandWindowInit(const char * title, bool fullscreen, bool maximize, bool borderless);
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void waylandWindowFree(void);
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void waylandWindowUpdateScale(void);
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void waylandSetWindowSize(int x, int y);
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bool waylandIsValidPointerPos(int x, int y);
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