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westeros-compositor.cpp
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/*
* If not stated otherwise in this file or this component's Licenses.txt file the
* following copyright and licenses apply:
*
* Copyright 2016 RDK Management
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "westeros-compositor.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <memory.h>
#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <dirent.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <unistd.h>
#include <map>
#include <vector>
#include <xkbcommon/xkbcommon.h>
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
#include <EGL/egl.h>
#include <EGL/eglext.h>
#if defined (WESTEROS_PLATFORM_RPI)
#include <bcm_host.h>
#endif
#include "wayland-egl.h"
#endif
#include "wayland-server.h"
#include "westeros-nested.h"
#ifdef ENABLE_SBPROTOCOL
#include "westeros-simplebuffer.h"
#endif
#include "westeros-simpleshell.h"
#include "xdg-shell-server-protocol.h"
#include "vpc-client-protocol.h"
#include "vpc-server-protocol.h"
#include "westeros-version.h"
#define WST_MAX_ERROR_DETAIL (512)
#define MAX_NESTED_NAME_LEN (32)
#define DEFAULT_FRAME_RATE (60)
#define DEFAULT_OUTPUT_WIDTH (1280)
#define DEFAULT_OUTPUT_HEIGHT (720)
#define DEFAULT_NESTED_WIDTH (1280)
#define DEFAULT_NESTED_HEIGHT (720)
#define DEFAULT_KEY_REPEAT_DELAY (1000)
#define DEFAULT_KEY_REPEAT_RATE (5)
#if !defined (XKB_KEYMAP_COMPILE_NO_FLAGS)
#define XKB_KEYMAP_COMPILE_NO_FLAGS XKB_MAP_COMPILE_NO_FLAGS
#endif
#define WESTEROS_UNUSED(x) ((void)(x))
#define MIN(x,y) (((x) < (y)) ? (x) : (y))
#define INT_FATAL(FORMAT, ...) printf("Westeros Fatal: " FORMAT "\n", ##__VA_ARGS__)
#define INT_ERROR(FORMAT, ...) printf("Westeros Error: " FORMAT "\n", ##__VA_ARGS__)
#define INT_WARNING(FORMAT, ...) printf("Westeros Warning: " FORMAT "\n", ##__VA_ARGS__)
#define INT_INFO(FORMAT, ...) printf("Westeros Info: " FORMAT "\n", ##__VA_ARGS__)
#define INT_DEBUG(FORMAT, ...) printf("Westeros Debug: " FORMAT "\n", ##__VA_ARGS__)
#define INT_TRACE(FORMAT, ...)
#define FATAL(FORMAT, ...) INT_FATAL(FORMAT, ##__VA_ARGS__)
#define ERROR(FORMAT, ...) INT_ERROR(FORMAT, ##__VA_ARGS__)
#define WARNING(FORMAT, ...) INT_WARNING(FORMAT, ##__VA_ARGS__)
#define INFO(FORMAT, ...) INT_INFO(FORMAT, ##__VA_ARGS__)
#define DEBUG(FORMAT, ...) INT_DEBUG(FORMAT, ##__VA_ARGS__)
#define TRACE(FORMAT, ...) INT_TRACE(FORMAT, ##__VA_ARGS__)
#define WST_EVENT_QUEUE_SIZE (64)
#define VPCBRIDGE_SIGNAL (INT_MIN)
typedef void* (*PFNGETDEVICEBUFFERFROMRESOURCE)( struct wl_resource *resource );
typedef bool (*PFNREMOTEBEGIN)( struct wl_display *dspsrc, struct wl_display *dspdst );
typedef void (*PFNREMOTEEND)( struct wl_display *dspsrc, struct wl_display *dspdst );
typedef struct wl_buffer* (*PFNREMOTECLONEBUFFERFROMRESOURCE)( struct wl_display *dspsrc,
struct wl_resource *resource,
struct wl_display *dspdst,
int *width,
int *height );
typedef enum _WstEventType
{
WstEventType_key,
WstEventType_keyCode,
WstEventType_keyModifiers,
WstEventType_pointerEnter,
WstEventType_pointerLeave,
WstEventType_pointerMove,
WstEventType_pointerButton,
WstEventType_touchDown,
WstEventType_touchUp,
WstEventType_touchMotion,
WstEventType_touchFrame,
WstEventType_resolutionChangeBegin,
WstEventType_resolutionChangeEnd
} WstEventType;
typedef enum
{
WstPipeDescriptor_ParentRead = 0,
WstPipeDescriptor_ChildWrite = 1
} WstPipeDescriptor;
typedef struct _WstEvent
{
WstEventType type;
void *p1;
unsigned int v1;
unsigned int v2;
unsigned int v3;
unsigned int v4;
} WstEvent;
typedef struct _WstContext WstContext;
typedef struct _WstSurface WstSurface;
typedef struct _WstSeat WstSeat;
typedef struct _WstShellSurface
{
struct wl_resource *resource;
WstSurface *surface;
const char* title;
const char* className;
} WstShellSurface;
typedef struct _WstVpcSurface
{
struct wl_resource *resource;
WstSurface *surface;
WstCompositor *compositor;
struct wl_vpc_surface *vpcSurfaceNested;
bool videoPathSet;
bool useHWPath;
bool useHWPathNext;
bool pathTransitionPending;
bool sizeOverride;
int xTrans;
int yTrans;
int xScaleNum;
int xScaleDenom;
int yScaleNum;
int yScaleDenom;
int outputWidth;
int outputHeight;
int hwX;
int hwY;
int hwWidth;
int hwHeight;
bool useHWPathVpcBridge;
int xTransVpcBridge;
int yTransVpcBridge;
int xScaleNumVpcBridge;
int xScaleDenomVpcBridge;
int yScaleNumVpcBridge;
int yScaleDenomVpcBridge;
int outputWidthVpcBridge;
int outputHeightVpcBridge;
} WstVpcSurface;
typedef struct _WstKeyboard
{
WstSeat *seat;
WstCompositor *compositor;
struct wl_list resourceList;
struct wl_list focusResourceList;
struct wl_array keys;
WstSurface *focus;
uint32_t currentModifiers;
struct xkb_state *state;
xkb_mod_index_t modShift;
xkb_mod_index_t modAlt;
xkb_mod_index_t modCtrl;
xkb_mod_index_t modCaps;
} WstKeyboard;
typedef struct _WstPointer
{
WstSeat *seat;
WstCompositor *compositor;
struct wl_list resourceList;
struct wl_list focusResourceList;
bool entered;
WstSurface *focus;
WstSurface *pointerSurface;
int32_t hotSpotX;
int32_t hotSpotY;
int32_t pointerX;
int32_t pointerY;
} WstPointer;
typedef struct _WstTouch
{
WstSeat *seat;
WstCompositor *compositor;
struct wl_list resourceList;
struct wl_list focusResourceList;
WstSurface *focus;
} WstTouch;
typedef struct _WstSeat
{
WstContext *ctx;
struct wl_list resourceList;
const char *seatName;
int keyRepeatDelay;
int keyRepeatRate;
} WstSeat;
typedef struct _WstShm WstShm;
typedef struct _WstShmPool WstShmPool;
typedef struct _WstShmBuffer
{
WstShmPool *pool;
struct wl_resource *bufferResource;
struct wl_buffer *bufferNested;
int32_t width;
int32_t height;
int32_t stride;
uint32_t format;
} WstShmBuffer;
typedef struct _WstShmPool
{
WstShm *shm;
int32_t refCount;
struct wl_resource *poolResource;
struct wl_shm_pool *poolNested;
} WstShmPool;
typedef struct _WstShm
{
WstContext *ctx;
struct wl_list resourceList;
} WstShm;
typedef struct _WstRegion
{
struct wl_resource *resource;
WstCompositor *compositor;
} WstRegion;
typedef struct _WstSurfaceFrameCallback
{
struct wl_resource *resource;
struct wl_list link;
} WstSurfaceFrameCallback;
typedef struct _WstSurface
{
struct wl_resource *resource;
WstCompositor *compositor;
int surfaceId;
WstRenderer *renderer;
WstRenderSurface *surface;
std::vector<WstShellSurface*> shellSurface;
WstVpcSurface *vpcSurface;
struct wl_surface *surfaceNested;
const char *roleName;
bool visible;
int x;
int y;
int width;
int height;
float opacity;
float zorder;
bool tempVisible;
const char *name;
int refCount;
struct wl_resource *attachedBufferResource;
struct wl_resource *detachedBufferResource;
int attachedX;
int attachedY;
bool vpcBridgeSignal;
struct wl_list frameCallbackList;
struct wl_listener attachedBufferDestroyListener;
struct wl_listener detachedBufferDestroyListener;
} WstSurface;
typedef struct _WstSurfaceInfo
{
WstSurface *surface;
} WstSurfaceInfo;
typedef struct _WstClientInfo
{
struct wl_resource *sbResource;
WstSurface *surface;
WstCompositor *wctx;
bool usesXdgShell;
} WstClientInfo;
typedef struct _WstOutput
{
WstContext *ctx;
struct wl_list resourceList;
int x;
int y;
int refreshRate;
int mmWidth;
int mmHeight;
int subPixel;
const char *make;
const char *model;
int transform;
int currentScale;
} WstOutput;
typedef bool (*WstModuleInit)( WstCompositor *wctx, struct wl_display* );
typedef void (*WstModuleTerm)( WstCompositor *wctx );
typedef struct _WstModule
{
const char *moduleName;
void *module;
WstModuleInit initEntryPoint;
WstModuleTerm termEntryPoint;
bool isInitialized;
} WstModule;
typedef struct _WstContext
{
const char *displayName;
unsigned int frameRate;
int framePeriodMillis;
const char *rendererModule;
bool isNested;
bool isRepeater;
bool isEmbedded;
bool mustInitRendererModule;
bool hasVpcBridge;
const char *nestedDisplayName;
unsigned int nestedWidth;
unsigned int nestedHeight;
bool allowModifyCursor;
void *nativeWindow;
std::vector<WstModule*> modules;
void *terminatedUserData;
WstTerminatedCallback terminatedCB;
bool running;
bool compositorReady;
bool compositorAborted;
bool compositorThreadStarted;
pthread_t compositorThreadId;
struct xkb_rule_names xkbNames;
struct xkb_context *xkbCtx;
struct xkb_keymap *xkbKeymap;
uint32_t xkbKeymapFormat;
int xkbKeymapSize;
int xkbKeymapFd;
char *xkbKeymapArea;
pthread_mutex_t mutex;
WstOutput *output;
WstSeat *seat;
WstRenderer *renderer;
WstShm *shm;
WstNestedConnection *nc;
struct wl_display *ncDisplay;
pthread_mutex_t ncStartedMutex;
pthread_cond_t ncStartedCond;
void *nestedListenerUserData;
WstNestedConnectionListener nestedListener;
bool hasEmbeddedMaster;
void *outputNestedListenerUserData;
WstOutputNestedListener *outputNestedListener;
void *keyboardNestedListenerUserData;
WstKeyboardNestedListener *keyboardNestedListener;
void *pointerNestedListenerUserData;
WstPointerNestedListener *pointerNestedListener;
void *touchNestedListenerUserData;
WstTouchNestedListener *touchNestedListener;
struct wl_display *display;
#ifdef ENABLE_SBPROTOCOL
struct wl_sb *sb;
#endif
struct wl_simple_shell *simpleShell;
struct wl_event_source *displayTimer;
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
EGLDisplay eglDisplay;
PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL;
PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL;
PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
PFNGETDEVICEBUFFERFROMRESOURCE getDeviceBufferFromResource;
bool canRemoteClone;
PFNREMOTEBEGIN remoteBegin;
PFNREMOTEEND remoteEnd;
PFNREMOTECLONEBUFFERFROMRESOURCE remoteCloneBufferFromResource;
#endif
int nextSurfaceId;
std::vector<WstSurface*> surfaces;
std::vector<WstVpcSurface*> vpcSurfaces;
std::map<int32_t, WstSurface*> surfaceMap;
std::map<struct wl_client*, WstClientInfo*> clientInfoMap;
std::map<struct wl_resource*, WstSurfaceInfo*> surfaceInfoMap;
bool needRepaint;
bool allowImmediateRepaint;
bool outputSizeChanged;
struct wl_display *dcDisplay;
struct wl_registry *dcRegistry;
struct wl_shm *dcShm;
struct wl_compositor *dcCompositor;
struct wl_seat *dcSeat;
struct wl_pointer *dcPointer;
struct wl_shm_pool *dcPool;
struct wl_surface *dcCursorSurface;
struct wl_client *dcClient;
void *dcPoolData;
int dcPoolSize;
int dcPoolFd;
int dcPid;
bool dcDefaultCursor;
WstCompositor *wctx;
std::vector<WstCompositor*> virt;
} WstContext;
typedef struct _WstCompositor
{
bool isVirtual;
WstContext *ctx;
int clientPid;
bool clientCommit;
int clientCommitPid;
bool clientFirstFrame;
char lastErrorDetail[WST_MAX_ERROR_DETAIL];
void *dispatchUserData;
WstDispatchCallback dispatchCB;
void *invalidateUserData;
WstInvalidateSceneCallback invalidateCB;
void *hidePointerUserData;
WstHidePointerCallback hidePointerCB;
void *clientStatusUserData;
WstClientStatus clientStatusCB;
bool outputSizeChanged;
int outputWidth;
int outputHeight;
WstKeyboard *keyboard;
WstPointer *pointer;
WstTouch *touch;
bool destroyed;
int eventIndex;
WstEvent eventQueue[WST_EVENT_QUEUE_SIZE];
} WstCompositor;
static const char* wstGetNextNestedDisplayName(void);
static bool wstCompositorCreateRenderer( WstContext *ctx );
static void wstCompositorReleaseResources( WstContext *ctx );
static void* wstCompositorThread( void *arg );
static long long wstGetCurrentTimeMillis(void);
static bool wstCompositorCheckForRepeaterSupport( WstContext *ctx );
static void wstCompositorDestroyVirtual( WstCompositor *wctx );
static void wstCompositorProcessEvents( WstCompositor *wctx );
static void wstContextProcessEvents( WstContext *ctx );
static void wstCompositorComposeFrame( WstContext *ctx, uint32_t frameTime );
static void wstContextInvokeDispatchCB( WstContext *ctx );
static void wstContextInvokeInvalidateCB( WstContext *ctx );
static void wstContextInvokeHidePointerCB( WstContext *ctx, bool hidePointer );
static int wstCompositorDisplayTimeOut( void *data );
static void wstCompositorScheduleRepaint( WstContext *ctx );
static void wstCompositorReleaseDetachedBuffers( WstContext *ctx );
static void wstShmBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static bool wstShmInit( WstContext *ctx );
static void wstShmTerm( WstContext *ctx );
static void wstIShmBufferDestroy(struct wl_client *client, struct wl_resource *resource);
static void wstIShmPoolCreateBuffer( struct wl_client *client, struct wl_resource *resource,
uint32_t id, int32_t offset,
int32_t width, int32_t height,
int32_t stride, uint32_t format);
static void wstShmBufferDestroy( struct wl_resource *resource );
static void wstIShmPoolDestroy( struct wl_client *client, struct wl_resource *resource );
static void wstIShmPoolResize( struct wl_client *client, struct wl_resource *resource, int32_t size );
static void wstIShmCreatePool( struct wl_client *client, struct wl_resource *resource,
uint32_t id, int fd, int32_t size );
static void wstShmDestroyPool( struct wl_resource *resource );
static void wstShmPoolUnRef( WstShmPool *pool );
static WstCompositor *wstGetCompositorFromPid( WstContext *ctx, struct wl_client *client, int pid );
static WstCompositor* wstGetCompositorFromClient( WstContext *ctx, struct wl_client *client );
static void wstCompositorBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstDestroyCompositorCallback(struct wl_resource *resource);
static void wstICompositorCreateSurface( struct wl_client *client, struct wl_resource *resource, uint32_t id);
static void wstICompositorCreateRegion( struct wl_client *client, struct wl_resource *resource, uint32_t id);
static void wstDestroySurfaceCallback(struct wl_resource *resource);
static WstSurface* wstSurfaceCreate( WstCompositor *wctx);
static void wstSurfaceDestroy( WstSurface *surface );
static bool wstSurfaceSetRole( WstSurface *surface, const char *roleName,
struct wl_resource *errorResource, uint32_t errorCode );
static void wstSurfaceInsertSurface( WstContext *ctx, WstSurface *surface );
static WstSurface* wstGetSurfaceFromSurfaceId( WstContext *ctx, int32_t surfaceId );
static WstSurface* wstGetSurfaceFromPoint( WstCompositor *wctx, int x, int y );
static WstSurfaceInfo* wstGetSurfaceInfo( WstContext *ctx, struct wl_resource *resource );
static void wstUpdateClientInfo( WstContext *ctx, struct wl_client *client, struct wl_resource *resource );
static void wstISurfaceDestroy(struct wl_client *client, struct wl_resource *resource);
static void wstISurfaceAttach(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *bufferResource, int32_t sx, int32_t sy);
static void wstISurfaceDamage(struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height);
static void wstISurfaceFrame(struct wl_client *client,
struct wl_resource *resource, uint32_t callback);
static void wstISurfaceSetOpaqueRegion(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *regionResource);
static void wstISurfaceSetInputRegion(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *regionResource);
static void wstISurfaceCommit(struct wl_client *client, struct wl_resource *resource);
static void wstISurfaceSetBufferTransform(struct wl_client *client,
struct wl_resource *resource, int transform);
static void wstISurfaceSetBufferScale(struct wl_client *client,
struct wl_resource *resource,
int32_t scale);
static WstRegion *wstRegionCreate( WstCompositor *wctx );
static void wstRegionDestroy( WstRegion *region );
static void wstDestroyRegionCallback(struct wl_resource *resource);
static void wstIRegionDestroy( struct wl_client *client, struct wl_resource *resource );
static void wstIRegionAdd( struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height );
static void wstIRegionSubtract( struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height );
static bool wstOutputInit( WstContext *ctx );
static void wstOutputTerm( WstContext *ctx );
static void wstOutputBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstOutputChangeSize( WstCompositor *wctx );
static void wstShellBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstIShellGetShellSurface(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surfaceResource );
static void wstDestroyShellSurfaceCallback(struct wl_resource *resource);
static void wstShellSurfaceDestroy( WstShellSurface *shellSurface );
static void wstIShellSurfacePong(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial );
static void wstIShellSurfaceMove(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial );
static void wstIShellSurfaceResize(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial,
uint32_t edges );
static void wstIShellSurfaceSetTopLevel(struct wl_client *client,
struct wl_resource *resource);
static void wstIShellSurfaceSetTransient(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *parentResource,
int x, int y, uint32_t flags );
static void wstIShellSurfaceSetFullscreen(struct wl_client *client,
struct wl_resource *resource,
uint32_t method,
uint32_t framerate,
struct wl_resource *outputResource );
static void wstIShellSurfaceSetPopup(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial,
struct wl_resource *parentResource,
int x, int y, uint32_t flags );
static void wstIShellSurfaceSetMaximized(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *outputResource );
static void wstIShellSurfaceSetTitle(struct wl_client *client,
struct wl_resource *resource,
const char *title );
static void wstIShellSurfaceSetClass(struct wl_client *client,
struct wl_resource *resource,
const char *className );
static void wstXdgShellBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstIXdgDestroy( struct wl_client *client, struct wl_resource *resource );
static void wstIXdgUseUnstableVersion( struct wl_client *client, struct wl_resource *resource, int32_t version );
static void wstIXdgGetXdgSurface( struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surfaceResource );
static void wstIXdgGetXdgPopup( struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surfaceResource,
struct wl_resource *parentResource,
struct wl_resource *seatResource,
uint32_t serial,
int32_t x,
int32_t y
#if defined ( USE_XDG_VERSION4 )
,
uint32_t flags
#endif
);
static void wstIXdgPong( struct wl_client *client,
struct wl_resource *resource,
uint32_t serial );
static void wstIXdgShellSurfaceDestroy( struct wl_client *client,
struct wl_resource *resource );
static void wstIXdgShellSurfaceSetParent( struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *parentResource );
static void wstIXdgShellSurfaceSetTitle( struct wl_client *client,
struct wl_resource *resource,
const char *title );
static void wstIXdgShellSurfaceSetAppId( struct wl_client *client,
struct wl_resource *resource,
const char *app_id );
static void wstIXdgShellSurfaceShowWindowMenu( struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial,
int32_t x,
int32_t y );
static void wstIXdgShellSurfaceMove( struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial );
static void wstIXdgShellSurfaceResize( struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seatResource,
uint32_t serial,
uint32_t edges );
static void wstIXdgShellSurfaceAckConfigure( struct wl_client *client,
struct wl_resource *resource,
uint32_t serial );
static void wstIXdgShellSurfaceSetWindowGeometry( struct wl_client *client,
struct wl_resource *resource,
int32_t x,
int32_t y,
int32_t width,
int32_t height );
static void wstIXdgShellSurfaceSetMaximized( struct wl_client *client,
struct wl_resource *resource );
static void wstIXdgShellSurfaceUnSetMaximized( struct wl_client *client,
struct wl_resource *resource );
static void wstIXdgShellSurfaceSetFullscreen( struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *outputResource );
static void wstIXdgShellSurfaceUnSetFullscreen( struct wl_client *client,
struct wl_resource *resource );
static void wstIXdgShellSurfaceSetMinimized( struct wl_client *client,
struct wl_resource *resource );
static void wstXdgSurfaceSendConfigure( WstCompositor *wctx, WstSurface *surface, uint32_t state );
static void wstDefaultNestedConnectionStarted( void *userData );
static void wstDefaultNestedConnectionEnded( void *userData );
static void wstDefaultNestedOutputHandleGeometry( void *userData, int32_t x, int32_t y, int32_t mmWidth,
int32_t mmHeight, int32_t subPixel, const char *make,
const char *model, int32_t transform );
static void wstDefaultNestedOutputHandleMode( void* userData, uint32_t flags, int32_t width,
int32_t height, int32_t refreshRate );
static void wstDefaultNestedOutputHandleDone( void *userData );
static void wstDefaultNestedOutputHandleScale( void *userData, int32_t scale );
static void wstDefaultNestedKeyboardHandleKeyMap( void *userData, uint32_t format, int fd, uint32_t size );
static void wstDefaultNestedKeyboardHandleEnter( void *userData, struct wl_array *keys );
static void wstDefaultNestedKeyboardHandleLeave( void *userData );
static void wstDefaultNestedKeyboardHandleKey( void *userData, uint32_t time, uint32_t key, uint32_t state );
static void wstDefaultNestedKeyboardHandleModifiers( void *userData, uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group );
static void wstDefaultNestedKeyboardHandleRepeatInfo( void *userData, int32_t rate, int32_t delay );
static void wstDefaultNestedPointerHandleEnter( void *userData, struct wl_surface *surfaceNested, wl_fixed_t sx, wl_fixed_t sy );
static void wstDefaultNestedPointerHandleLeave( void *userData, struct wl_surface *surfaceNested );
static void wstDefaultNestedPointerHandleMotion( void *userData, uint32_t time, wl_fixed_t sx, wl_fixed_t sy );
static void wstDefaultNestedPointerHandleButton( void *userData, uint32_t time, uint32_t button, uint32_t state );
static void wstDefaultNestedPointerHandleAxis( void *userData, uint32_t time, uint32_t axis, wl_fixed_t value );
static void wstDefaultNestedTouchHandleDown( void *userData, struct wl_surface *surfaceNested, uint32_t time, int32_t id, wl_fixed_t sx, wl_fixed_t sy );
static void wstDefaultNestedTouchHandleUp( void *userData, uint32_t time, int32_t id );
static void wstDefaultNestedTouchHandleMotion( void *userData, uint32_t time, int32_t id, wl_fixed_t sx, wl_fixed_t sy );
static void wstDefaultNestedTouchHandleFrame( void *userData );
static void wstDefaultNestedShmFormat( void *userData, uint32_t format );
static void wstDefaultNestedVpcVideoPathChange( void *userData, struct wl_surface *surfaceNested, uint32_t newVideoPath );
static void wstDefaultNestedVpcVideoXformChange( void *userData,
struct wl_surface *surfaceNested,
int32_t x_translation,
int32_t y_translation,
uint32_t x_scale_num,
uint32_t x_scale_denom,
uint32_t y_scale_num,
uint32_t y_scale_denom,
uint32_t output_width,
uint32_t output_height );
static void wstDefaultNestedSurfaceStatus( void *userData, struct wl_surface *surface,
const char *name,
uint32_t visible,
int32_t x,
int32_t y,
int32_t width,
int32_t height,
wl_fixed_t opacity,
wl_fixed_t zorder);
static void wstSetDefaultNestedListener( WstContext *ctx );
static bool wstSeatInit( WstContext *ctx );
static void wstSeatItemTerm( WstCompositor *wctx );
static void wstSeatTerm( WstContext *ctx );
static void wstSeatCreateDevices( WstCompositor *wctx );
static void wstResourceUnBindCallback( struct wl_resource *resource );
static void wstSeatBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstISeatGetPointer( struct wl_client *client, struct wl_resource *resource, uint32_t id );
static void wstISeatGetKeyboard( struct wl_client *client, struct wl_resource *resource, uint32_t id );
static void wstISeatGetTouch( struct wl_client *client, struct wl_resource *resource, uint32_t id );
static void wstIKeyboardRelease( struct wl_client *client, struct wl_resource *resource );
static void wstIPointerSetCursor( struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
struct wl_resource *surfaceResource,
int32_t hotspot_x,
int32_t hotspot_y );
static void wstIPointerRelease( struct wl_client *client, struct wl_resource *resource );
static void wstITouchRelease( struct wl_client *client, struct wl_resource *resource );
static void wstVpcBind( struct wl_client *client, void *data, uint32_t version, uint32_t id);
static void wstIVpcGetVpcSurface( struct wl_client *client, struct wl_resource *resource,
uint32_t id, struct wl_resource *surfaceResource);
static void wstDestroyVpcSurfaceCallback(struct wl_resource *resource);
static void wstVpcSurfaceDestroy( WstVpcSurface *vpcSurface );
static void wstIVpcSurfaceSetGeometry( struct wl_client *client, struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height );
static void wstUpdateVPCSurfaces( WstCompositor *wctx, std::vector<WstRect> &rects );
static bool wstInitializeKeymap( WstCompositor *wctx );
static void wstTerminateKeymap( WstCompositor *wctx );
static void wstProcessKeyEvent( WstKeyboard *keyboard, uint32_t keyCode, uint32_t keyState, uint32_t modifiers );
static void wstKeyboardSendModifiers( WstKeyboard *keyboard, struct wl_resource *resource );
static void wstKeyboardCheckFocus( WstKeyboard *keyboard, WstSurface *surface );
static void wstKeyboardSetFocus( WstKeyboard *keyboard, WstSurface *surface );
static void wstKeyboardMoveFocusToClient( WstKeyboard *keyboard, struct wl_client *client );
static void wstProcessPointerEnter( WstPointer *pointer, int x, int y, struct wl_surface *surfaceNested );
static void wstProcessPointerLeave( WstPointer *pointer, struct wl_surface *surfaceNested );
static void wstProcessPointerMoveEvent( WstPointer *pointer, int32_t x, int32_t y );
static void wstProcessPointerButtonEvent( WstPointer *pointer, uint32_t button, uint32_t buttonState, uint32_t time );
static void wstPointerCheckFocus( WstPointer *pointer, int32_t x, int32_t y );
static void wstPointerSetPointer( WstPointer *pointer, WstSurface *surface );
static void wstPointerUpdatePosition( WstPointer *pointer );
static void wstPointerSetFocus( WstPointer *pointer, WstSurface *surface, wl_fixed_t x, wl_fixed_t y );
static void wstPointerMoveFocusToClient( WstPointer *pointer, struct wl_client *client );
static void wstProcessTouchDownEvent( WstTouch *touch, uint32_t time, int id, int x, int y, struct wl_surface *surfaceNested );
static void wstProcessTouchUpEvent( WstTouch *touch, uint32_t time, int id );
static void wstProcessTouchMotionEvent( WstTouch *touch, uint32_t time, int id, int x, int y );
static void wstProcessTouchFrameEvent( WstTouch *touch );
static void wstTouchCheckFocus( WstTouch *pointer, int32_t x, int32_t y );
static void wstTouchMoveFocusToClient( WstTouch *touch, struct wl_client *client );
static void wstRemoveTempFile( int fd );
static void wstPruneOrphanFiles( WstContext *ctx );
static bool wstInitializeDefaultCursor( WstCompositor *compositor,
unsigned char *imgData, int width, int height,
int hotspotX, int hotspotY );
static void wstTerminateDefaultCursor( WstCompositor *compositor );
static void wstForwardChildProcessStdout( int descriptors[2] );
static void wstMonitorChildProcessStdout( int descriptors[2] );
extern char **environ;
static pthread_mutex_t g_mutex= PTHREAD_MUTEX_INITIALIZER;
static int g_pid= 0;
static int g_nextNestedId= 0;
static pthread_mutex_t g_mutexMasterEmbedded= PTHREAD_MUTEX_INITIALIZER;
static WstCompositor *g_masterEmbedded= 0;
WstCompositor* WstCompositorCreate()
{
WstCompositor *wctx= 0;
INFO("westeros (core) version " WESTEROS_VERSION_FMT, WESTEROS_VERSION );
wctx= (WstCompositor*)calloc( 1, sizeof(WstCompositor) );
if ( wctx )
{
WstContext *ctx= 0;
wctx->outputWidth= DEFAULT_OUTPUT_WIDTH;
wctx->outputHeight= DEFAULT_OUTPUT_HEIGHT;
ctx= (WstContext*)calloc( 1, sizeof(WstContext) );
if ( ctx )
{
pthread_mutex_init( &ctx->mutex, 0 );
ctx->frameRate= DEFAULT_FRAME_RATE;
ctx->framePeriodMillis= (1000/ctx->frameRate);
ctx->nestedWidth= DEFAULT_NESTED_WIDTH;
ctx->nestedHeight= DEFAULT_NESTED_HEIGHT;
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
ctx->eglDisplay= EGL_NO_DISPLAY;
#endif
ctx->nextSurfaceId= 1;
ctx->surfaceMap= std::map<int32_t, WstSurface*>();
ctx->clientInfoMap= std::map<struct wl_client*, WstClientInfo*>();
ctx->surfaceInfoMap= std::map<struct wl_resource*, WstSurfaceInfo*>();
ctx->vpcSurfaces= std::vector<WstVpcSurface*>();
ctx->modules= std::vector<WstModule*>();
ctx->xkbNames.rules= strdup("evdev");
ctx->xkbNames.model= strdup("pc105");
ctx->xkbNames.layout= strdup("us");
ctx->xkbKeymapFd= -1;
ctx->dcPoolFd= -1;
wstSetDefaultNestedListener( ctx );
ctx->wctx= wctx;
wctx->ctx= ctx;
}
else
{
free( wctx );
wctx= 0;
}
}
return wctx;
}
void WstCompositorDestroy( WstCompositor *wctx )
{
if ( wctx && wctx->ctx )
{
WstContext *ctx= wctx->ctx;
if ( wctx->isVirtual )
{
pthread_mutex_lock( &ctx->mutex );
wctx->destroyed= true;
pthread_mutex_unlock( &ctx->mutex );
return;
}
pthread_mutex_lock( &g_mutexMasterEmbedded );
if ( g_masterEmbedded == wctx )
{
g_masterEmbedded= 0;
}
pthread_mutex_unlock( &g_mutexMasterEmbedded );
pthread_mutex_lock( &ctx->mutex );
for ( std::vector<WstCompositor*>::iterator it= ctx->virt.begin();
it != ctx->virt.end();
++it )
{
WstCompositor *wctx= (*it);
wctx->destroyed= true;
}
pthread_mutex_unlock( &ctx->mutex );
if ( ctx->running || ctx->compositorThreadStarted )
{
WstCompositorStop( wctx );
}
if ( ctx->displayName )
{
free( (void*)ctx->displayName );
ctx->displayName= 0;
}
if ( ctx->rendererModule )
{
free( (void*)ctx->rendererModule );
ctx->rendererModule= 0;
}
if ( ctx->nestedDisplayName )
{
free( (void*)ctx->nestedDisplayName );
ctx->nestedDisplayName= 0;
}
if ( ctx->xkbNames.rules )
{
free( (void*)ctx->xkbNames.rules );
ctx->xkbNames.rules= 0;
}
if ( ctx->xkbNames.model )
{
free( (void*)ctx->xkbNames.model );
ctx->xkbNames.model= 0;
}
if ( ctx->xkbNames.layout )
{
free( (void*)ctx->xkbNames.layout );
ctx->xkbNames.layout= 0;
}
if ( ctx->xkbNames.variant )
{
free( (void*)ctx->xkbNames.variant );
ctx->xkbNames.variant= 0;
}
if ( ctx->xkbNames.options )
{
free( (void*)ctx->xkbNames.options );
ctx->xkbNames.options= 0;
}
while( !ctx->modules.empty() )
{
WstModule* module= ctx->modules.back();
ctx->modules.pop_back();
if ( module )
{
if ( module->moduleName )
{
free( (void*)module->moduleName );
}
if ( module->module )
{
dlclose( module->module );
}
free( module );
}
}
pthread_mutex_destroy( &ctx->mutex );
free( ctx );
free( wctx );
}
}
WstCompositor* WstCompositorGetMasterEmbedded()
{
WstCompositor *wctx= 0;
pthread_mutex_lock( &g_mutexMasterEmbedded );
if ( !g_masterEmbedded )
{
wctx= WstCompositorCreate();
if ( wctx )
{
bool error= false;
if ( !WstCompositorSetRendererModule( wctx, "libwesteros_render_embedded.so.0.0.0" ) )