static int
ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLXDrawable write,
GLXDrawable read, GLXContextTag ctx,
GLXContextTag old_ctx, Bool a_do_swap)
{
int res = BadImplementation;
xGLXMakeCurrentReply reply;
DrawablePtr drawableR = NULL, drawableW = NULL;
GLXContextTag new_ctx = 0;
EPHYR_LOG("enter\n");
res = dixLookupDrawable(&drawableW, write, a_cl->client, 0, DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL(drawableW, BadValue);
EPHYR_RETURN_VAL_IF_FAIL(drawableW->pScreen, BadValue);
EPHYR_LOG("screen nummber requested:%d\n", drawableW->pScreen->myNum);
if (read != write) {
res = dixLookupDrawable(&drawableR, read, a_cl->client, 0,
DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL(drawableR, BadValue);
EPHYR_RETURN_VAL_IF_FAIL(drawableR->pScreen, BadValue);
}
else {
drawableR = drawableW;
}
if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawableW->pScreen->myNum),
hostx_get_window(drawableR->pScreen->myNum),
ctx, old_ctx, (int *) &new_ctx)) {
EPHYR_LOG_ERROR("ephyrHostGLXMakeCurrent() failed\n");
goto out;
}
reply = (xGLXMakeCurrentReply) {
.type = X_Reply,
.sequenceNumber = a_cl->client->sequence,
.length = 0,
.contextTag = new_ctx
};
if (a_do_swap) {
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_SHORT(&reply.sequenceNumber);
__GLX_SWAP_INT(&reply.length);
__GLX_SWAP_INT(&reply.contextTag);
}
WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, &reply);
res = Success;
out:
EPHYR_LOG("leave\n");
return res;
}
int
ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc)
{
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->drawable,
req->context, req->oldContextTag, FALSE);
}
static int
ProcXF86DRIDestroyDrawable(
register ClientPtr client
)
{
REQUEST(xXF86DRIDestroyDrawableReq);
DrawablePtr pDrawable;
REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
int rc;
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client,
pDrawable)) {
return BadValue;
}
return (client->noClientException);
}
static int
ProcXF86DRICreateDrawable(
ClientPtr client
)
{
xXF86DRICreateDrawableReply rep;
DrawablePtr pDrawable;
int rc;
REQUEST(xXF86DRICreateDrawableReq);
REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client,
pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) {
return BadValue;
}
WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
return (client->noClientException);
}
int
dixLookupWindow(WindowPtr *pWin, XID id, ClientPtr client, Mask access)
{
int rc;
rc = dixLookupDrawable((DrawablePtr*)pWin, id, client, M_WINDOW, access);
return (rc == BadDrawable) ? BadWindow : rc;
}
static int
ProcXvStopVideo(ClientPtr client)
{
int status, rc;
DrawablePtr pDraw;
XvPortPtr pPort;
REQUEST(xvStopVideoReq);
REQUEST_SIZE_MATCH(xvStopVideoReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
if (rc != Success)
return rc;
return XVCALL(diStopVideo)(client, pPort, pDraw);
}
static int
proc_dri3_fd_from_fence(ClientPtr client)
{
REQUEST(xDRI3FDFromFenceReq);
xDRI3FDFromFenceReply rep = {
.type = X_Reply,
.nfd = 1,
.sequenceNumber = client->sequence,
.length = 0,
};
DrawablePtr drawable;
int fd;
int status;
SyncFence *fence;
REQUEST_SIZE_MATCH(xDRI3FDFromFenceReq);
status = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
if (status != Success)
return status;
status = SyncVerifyFence(&fence, stuff->fence, client, DixWriteAccess);
if (status != Success)
return status;
fd = SyncFDFromFence(client, drawable, fence);
if (fd < 0)
return BadMatch;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
}
if (WriteFdToClient(client, fd, FALSE) < 0)
return BadAlloc;
WriteToClient(client, sizeof(rep), &rep);
return client->noClientException;
}
int (*proc_dri3_vector[DRI3NumberRequests]) (ClientPtr) = {
proc_dri3_query_version, /* 0 */
proc_dri3_open, /* 1 */
proc_dri3_pixmap_from_buffer, /* 2 */
proc_dri3_buffer_from_pixmap, /* 3 */
proc_dri3_fence_from_fd, /* 4 */
proc_dri3_fd_from_fence, /* 5 */
};
int
proc_dri3_dispatch(ClientPtr client)
{
REQUEST(xReq);
if (!client->local)
return BadMatch;
if (stuff->data >= DRI3NumberRequests || !proc_dri3_vector[stuff->data])
return BadRequest;
return (*proc_dri3_vector[stuff->data]) (client);
}
static void
nouveau_dri2_flip_event_handler(unsigned int frame, unsigned int tv_sec,
unsigned int tv_usec, void *event_data)
{
struct nouveau_dri2_vblank_state *flip = event_data;
DrawablePtr draw;
ScreenPtr screen;
ScrnInfoPtr scrn;
int status;
status = dixLookupDrawable(&draw, flip->draw, serverClient,
M_ANY, DixWriteAccess);
if (status != Success) {
free(flip);
return;
}
screen = draw->pScreen;
scrn = xf86ScreenToScrn(screen);
/* We assume our flips arrive in order, so we don't check the frame */
switch (flip->action) {
case SWAP:
/* Check for too small vblank count of pageflip completion,
* taking wraparound into account. This usually means some
* defective kms pageflip completion, causing wrong (msc, ust)
* return values and possible visual corruption.
* Skip test for frame == 0, as this is a valid constant value
* reported by all Linux kernels at least up to Linux 3.0.
*/
if ((frame != 0) &&
(frame < flip->frame) && (flip->frame - frame < 5)) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"%s: Pageflip has impossible msc %d < target_msc %d\n",
__func__, frame, flip->frame);
/* All-Zero values signal failure of (msc, ust)
* timestamping to client.
*/
frame = tv_sec = tv_usec = 0;
}
DRI2SwapComplete(flip->client, draw, frame, tv_sec, tv_usec,
DRI2_FLIP_COMPLETE, flip->func,
flip->data);
break;
default:
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"%s: unknown vblank event received\n", __func__);
/* Unknown type */
break;
}
free(flip);
}
/* replaced by dixLookupDrawable */
pointer
SecurityLookupDrawable(XID id, ClientPtr client, Mask access_mode)
{
DrawablePtr pDraw;
int i = dixLookupDrawable(&pDraw, id, client, M_DRAWABLE, access_mode);
static int warn = 1;
if (warn > 0 && --warn)
ErrorF("Warning: LookupDrawable()/SecurityLookupDrawable() "
"are deprecated. Please convert your driver/module "
"to use dixLookupDrawable().\n");
return (i == Success) ? pDraw : NULL;
}
static int
ProcAppleDRICreatePixmap(ClientPtr client)
{
REQUEST(xAppleDRICreatePixmapReq);
DrawablePtr pDrawable;
int rc;
char path[PATH_MAX];
xAppleDRICreatePixmapReply rep;
int width, height, pitch, bpp;
void *ptr;
REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq);
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if(rc != Success)
return rc;
if(!DRICreatePixmap(screenInfo.screens[stuff->screen],
(Drawable)stuff->drawable,
pDrawable,
path, PATH_MAX)) {
return BadValue;
}
if(!DRIGetPixmapData(pDrawable, &width, &height,
&pitch, &bpp, &ptr)) {
return BadValue;
}
rep.stringLength = strlen(path) + 1;
/* No need for swapping, because this only runs if LocalClient is true. */
rep.type = X_Reply;
rep.length = sizeof(rep) + rep.stringLength;
rep.sequenceNumber = client->sequence;
rep.width = width;
rep.height = height;
rep.pitch = pitch;
rep.bpp = bpp;
rep.size = pitch * height;
if(sizeof(rep) != sz_xAppleDRICreatePixmapReply)
ErrorF("error sizeof(rep) is %zu\n", sizeof(rep));
WriteReplyToClient(client, sizeof(rep), &rep);
(void)WriteToClient(client, rep.stringLength, path);
return Success;
}
static Bool
validDrawable(ClientPtr client, XID drawable, Mask access_mode,
DrawablePtr *pDrawable, int *status)
{
*status = dixLookupDrawable(pDrawable, drawable, client,
M_DRAWABLE_WINDOW | M_DRAWABLE_PIXMAP,
access_mode);
if (*status != Success) {
client->errorValue = drawable;
return FALSE;
}
return TRUE;
}
static int
ProcXvSelectVideoNotify(ClientPtr client)
{
DrawablePtr pDraw;
int rc;
REQUEST(xvSelectVideoNotifyReq);
REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReceiveAccess);
if (rc != Success)
return rc;
return XvdiSelectVideoNotify(client, pDraw, stuff->onoff);
}
int
dixLookupWindow(WindowPtr *pWin, XID id, ClientPtr client, Mask access)
{
int rc;
rc = dixLookupDrawable((DrawablePtr*)pWin, id, client, M_WINDOW, access);
/* dixLookupDrawable returns BadMatch iff id is a valid Drawable
but is not a Window. Users of dixLookupWindow expect a BadWindow
error in this case; they don't care that it's a valid non-Window XID */
if (rc == BadMatch)
rc = BadWindow;
/* Similarly, users of dixLookupWindow don't want BadDrawable. */
if (rc == BadDrawable)
rc = BadWindow;
return rc;
}
static int
ProcAppleDRICreateSurface(ClientPtr client)
{
xAppleDRICreateSurfaceReply rep;
DrawablePtr pDrawable;
xp_surface_id sid;
unsigned int key[2];
int rc;
REQUEST(xAppleDRICreateSurfaceReq);
REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
rep.key_0 = rep.key_1 = rep.uid = 0;
if (!DRICreateSurface(screenInfo.screens[stuff->screen],
(Drawable)stuff->drawable, pDrawable,
stuff->client_id, &sid, key,
surface_notify,
x_cvt_uint_to_vptr(client->index))) {
return BadValue;
}
rep.key_0 = key[0];
rep.key_1 = key[1];
rep.uid = sid;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.key_0);
swapl(&rep.key_1);
swapl(&rep.uid);
}
WriteToClient(client, sizeof(xAppleDRICreateSurfaceReply), (char *)&rep);
return Success;
}
static int
ProcAppleDRIDestroyPixmap(ClientPtr client)
{
DrawablePtr pDrawable;
int rc;
REQUEST(xAppleDRIDestroyPixmapReq);
REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq);
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
DRIDestroyPixmap(pDrawable);
return Success;
}
static int
ephyrGLXMakeCurrentReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
{
int res=BadImplementation;
xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
xGLXMakeCurrentReply reply ;
DrawablePtr drawable=NULL;
int rc=0;
EPHYR_LOG ("enter\n") ;
rc = dixLookupDrawable (&drawable,
req->drawable,
a_cl->client,
0,
DixReadAccess);
EPHYR_RETURN_VAL_IF_FAIL (drawable, BadValue) ;
EPHYR_RETURN_VAL_IF_FAIL (drawable->pScreen, BadValue) ;
EPHYR_LOG ("screen nummber requested:%d\n",
drawable->pScreen->myNum) ;
memset (&reply, 0, sizeof (reply)) ;
if (!ephyrHostGLXMakeCurrent (hostx_get_window (drawable->pScreen->myNum),
req->context,
req->oldContextTag,
(int*)&reply.contextTag)) {
EPHYR_LOG_ERROR ("ephyrHostGLXMakeCurrent() failed\n") ;
goto out;
}
reply.length = 0;
reply.type = X_Reply;
reply.sequenceNumber = a_cl->client->sequence;
if (a_do_swap) {
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_SHORT(&reply.sequenceNumber);
__GLX_SWAP_INT(&reply.length);
__GLX_SWAP_INT(&reply.contextTag);
}
WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, (char *)&reply);
res = Success ;
out:
EPHYR_LOG ("leave\n") ;
return res ;
}
void
vivante_dri2_vblank(int fd, unsigned frame, unsigned tv_sec, unsigned tv_usec,
void *event)
{
struct vivante_dri_wait *wait = event;
DrawablePtr draw;
if (!wait->drawable_id)
goto out;
if (dixLookupDrawable(&draw, wait->drawable_id, serverClient, M_ANY,
DixWriteAccess) != Success)
goto out;
switch (wait->type) {
case DRI2_FLIP:
if (can_exchange(draw, wait->front, wait->back) &&
vivante_dri2_ScheduleFlip(draw, wait))
return;
/* FALLTHROUGH */
case DRI2_SWAP:
vivante_dri2_blit(wait->client, draw, wait->front, wait->back,
frame, tv_sec, tv_usec,
wait->client ? wait->event_func : NULL,
wait->event_data);
break;
case DRI2_WAITMSC:
if (wait->client)
DRI2WaitMSCComplete(wait->client, draw, frame, tv_sec, tv_usec);
break;
default:
xf86DrvMsg(xf86ScreenToScrn(draw->pScreen)->scrnIndex,
X_WARNING, "%s: unknown vblank event received\n",
__FUNCTION__);
break;
}
out:
del_wait_info(wait);
}
static int
ProcAppleDRIDestroySurface(register ClientPtr client)
{
int rc;
REQUEST(xAppleDRIDestroySurfaceReq);
DrawablePtr pDrawable;
REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq);
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (!DRIDestroySurface(screenInfo.screens[stuff->screen],
(Drawable)stuff->drawable,
pDrawable, NULL, NULL)) {
return BadValue;
}
return Success;
}
static void
nouveau_dri2_vblank_handler(void *priv, uint64_t name, uint64_t ust, uint32_t frame)
{
struct dri2_vblank *event = priv;
struct nouveau_dri2_vblank_state *s = event->s;
uint32_t tv_sec = ust / 1000000;
uint32_t tv_usec = ust % 1000000;
DrawablePtr draw;
int ret;
ret = dixLookupDrawable(&draw, s->draw, serverClient,
M_ANY, DixWriteAccess);
if (ret) {
free(s);
return;
}
switch (s->action) {
case SWAP:
nouveau_dri2_finish_swap(draw, frame, tv_sec, tv_usec, s);
#if DRI2INFOREC_VERSION >= 6
/* Restore real swap limit on drawable, now that it is safe. */
ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
DRI2SwapLimit(draw, NVPTR(scrn)->swap_limit);
#endif
break;
case WAIT:
DRI2WaitMSCComplete(s->client, draw, frame, tv_sec, tv_usec);
free(s);
break;
case BLIT:
DRI2SwapComplete(s->client, draw, frame, tv_sec, tv_usec,
DRI2_BLIT_COMPLETE, s->func, s->data);
free(s);
break;
}
}
static int
ProcSELinuxGetDrawableContext(ClientPtr client)
{
DrawablePtr pDraw;
PrivateRec **privatePtr;
SELinuxObjectRec *obj;
int rc;
REQUEST(SELinuxGetContextReq);
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
rc = dixLookupDrawable(&pDraw, stuff->id, client, 0, DixGetAttrAccess);
if (rc != Success)
return rc;
if (pDraw->type == DRAWABLE_PIXMAP)
privatePtr = &((PixmapPtr)pDraw)->devPrivates;
else
privatePtr = &((WindowPtr)pDraw)->devPrivates;
obj = dixLookupPrivate(privatePtr, objectKey);
return SELinuxSendContextReply(client, obj->sid);
}
static int
ProcXvStopVideo(ClientPtr client)
{
int status, rc;
DrawablePtr pDraw;
XvPortPtr pPort;
REQUEST(xvStopVideoReq);
REQUEST_SIZE_MATCH(xvStopVideoReq);
VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess);
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return status;
}
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
if (rc != Success)
return rc;
return XvdiStopVideo(client, pPort, pDraw);
}
static int
ProcDamageAdd (ClientPtr client)
{
REQUEST(xDamageAddReq);
DrawablePtr pDrawable;
RegionPtr pRegion;
int rc;
REQUEST_SIZE_MATCH(xDamageAddReq);
VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixWriteAccess);
if (rc != Success)
return rc;
/* The region is relative to the drawable origin, so translate it out to
* screen coordinates like damage expects.
*/
RegionTranslate(pRegion, pDrawable->x, pDrawable->y);
DamageDamageRegion(pDrawable, pRegion);
RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y);
return Success;
}
static int
ProcPanoramiXShmCreatePixmap(ClientPtr client)
{
ScreenPtr pScreen = NULL;
PixmapPtr pMap = NULL;
DrawablePtr pDraw;
DepthPtr pDepth;
int i, j, result, rc;
ShmDescPtr shmdesc;
REQUEST(xShmCreatePixmapReq);
unsigned int width, height, depth;
unsigned long size;
PanoramiXRes *newPix;
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
client->errorValue = stuff->pid;
if (!sharedPixmaps)
return BadImplementation;
LEGAL_NEW_RESOURCE(stuff->pid, client);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
DixGetAttrAccess);
if (rc != Success)
return rc;
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
width = stuff->width;
height = stuff->height;
depth = stuff->depth;
if (!width || !height || !depth)
{
client->errorValue = 0;
return BadValue;
}
if (width > 32767 || height > 32767)
return BadAlloc;
if (stuff->depth != 1)
{
pDepth = pDraw->pScreen->allowedDepths;
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
if (pDepth->depth == stuff->depth)
goto CreatePmap;
client->errorValue = stuff->depth;
return BadValue;
}
CreatePmap:
size = PixmapBytePad(width, depth) * height;
if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
if (size < width * height)
return BadAlloc;
}
/* thankfully, offset is unsigned */
if (stuff->offset + size < size)
return BadAlloc;
VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client);
if(!(newPix = malloc(sizeof(PanoramiXRes))))
return BadAlloc;
newPix->type = XRT_PIXMAP;
newPix->u.pix.shared = TRUE;
newPix->info[0].id = stuff->pid;
for(j = 1; j < PanoramiXNumScreens; j++)
newPix->info[j].id = FakeClientID(client->index);
result = Success;
FOR_NSCREENS(j) {
ShmScrPrivateRec *screen_priv;
pScreen = screenInfo.screens[j];
screen_priv = ShmGetScreenPriv(pScreen);
pMap = (*screen_priv->shmFuncs->CreatePixmap)(pScreen,
stuff->width, stuff->height, stuff->depth,
shmdesc->addr + stuff->offset);
if (pMap) {
dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc);
shmdesc->refcnt++;
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = newPix->info[j].id;
if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) {
(*pScreen->DestroyPixmap)(pMap);
result = BadAlloc;
break;
}
} else {
result = BadAlloc;
break;
}
}
if(result == BadAlloc) {
while(j--) {
(*pScreen->DestroyPixmap)(pMap);
FreeResource(newPix->info[j].id, RT_NONE);
}
free(newPix);
} else
AddResource(stuff->pid, XRT_PIXMAP, newPix);
return result;
}
static int
ProcPanoramiXShmGetImage(ClientPtr client)
{
PanoramiXRes *draw;
DrawablePtr *drawables;
DrawablePtr pDraw;
xShmGetImageReply xgi;
ShmDescPtr shmdesc;
int i, x, y, w, h, format, rc;
Mask plane = 0, planemask;
long lenPer = 0, length, widthBytesLine;
Bool isRoot;
REQUEST(xShmGetImageReq);
REQUEST_SIZE_MATCH(xShmGetImageReq);
if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) {
client->errorValue = stuff->format;
return BadValue;
}
rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
XRC_DRAWABLE, client, DixWriteAccess);
if (rc != Success)
return (rc == BadValue) ? BadDrawable : rc;
if (draw->type == XRT_PIXMAP)
return ProcShmGetImage(client);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
x = stuff->x;
y = stuff->y;
w = stuff->width;
h = stuff->height;
format = stuff->format;
planemask = stuff->planeMask;
isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;
if(isRoot) {
if( /* check for being onscreen */
x < 0 || x + w > PanoramiXPixWidth ||
y < 0 || y + h > PanoramiXPixHeight )
return BadMatch;
} else {
if( /* check for being onscreen */
screenInfo.screens[0]->x + pDraw->x + x < 0 ||
screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth ||
screenInfo.screens[0]->y + pDraw->y + y < 0 ||
screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight ||
/* check for being inside of border */
x < - wBorderWidth((WindowPtr)pDraw) ||
x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
y < -wBorderWidth((WindowPtr)pDraw) ||
y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height)
return BadMatch;
}
drawables = calloc(PanoramiXNumScreens, sizeof(DrawablePtr));
if(!drawables)
return BadAlloc;
drawables[0] = pDraw;
for(i = 1; i < PanoramiXNumScreens; i++) {
rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0,
DixReadAccess);
if (rc != Success)
{
free(drawables);
return rc;
}
}
xgi.visual = wVisual(((WindowPtr)pDraw));
xgi.type = X_Reply;
xgi.length = 0;
xgi.sequenceNumber = client->sequence;
xgi.depth = pDraw->depth;
if(format == ZPixmap) {
widthBytesLine = PixmapBytePad(w, pDraw->depth);
length = widthBytesLine * h;
} else {
widthBytesLine = PixmapBytePad(w, 1);
lenPer = widthBytesLine * h;
plane = ((Mask)1) << (pDraw->depth - 1);
length = lenPer * Ones(planemask & (plane | (plane - 1)));
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
xgi.size = length;
if (length == 0) {/* nothing to do */ }
else if (format == ZPixmap) {
XineramaGetImageData(drawables, x, y, w, h, format, planemask,
shmdesc->addr + stuff->offset,
widthBytesLine, isRoot);
} else {
length = stuff->offset;
for (; plane; plane >>= 1) {
if (planemask & plane) {
XineramaGetImageData(drawables, x, y, w, h,
format, plane, shmdesc->addr + length,
widthBytesLine, isRoot);
length += lenPer;
}
}
}
free(drawables);
if (client->swapped) {
int n;
swaps(&xgi.sequenceNumber, n);
swapl(&xgi.length, n);
swapl(&xgi.visual, n);
swapl(&xgi.size, n);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
return Success;
}
static int
ProcShmGetImage(ClientPtr client)
{
DrawablePtr pDraw;
long lenPer = 0, length;
Mask plane = 0;
xShmGetImageReply xgi;
ShmDescPtr shmdesc;
int n, rc;
REQUEST(xShmGetImageReq);
REQUEST_SIZE_MATCH(xShmGetImageReq);
if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap))
{
client->errorValue = stuff->format;
return BadValue;
}
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
if (pDraw->type == DRAWABLE_WINDOW)
{
if( /* check for being viewable */
!((WindowPtr) pDraw)->realized ||
/* check for being on screen */
pDraw->x + stuff->x < 0 ||
pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width ||
pDraw->y + stuff->y < 0 ||
pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height ||
/* check for being inside of border */
stuff->x < - wBorderWidth((WindowPtr)pDraw) ||
stuff->x + (int)stuff->width >
wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
stuff->y < -wBorderWidth((WindowPtr)pDraw) ||
stuff->y + (int)stuff->height >
wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height
)
return BadMatch;
xgi.visual = wVisual(((WindowPtr)pDraw));
}
else
{
if (stuff->x < 0 ||
stuff->x+(int)stuff->width > pDraw->width ||
stuff->y < 0 ||
stuff->y+(int)stuff->height > pDraw->height
)
return BadMatch;
xgi.visual = None;
}
xgi.type = X_Reply;
xgi.length = 0;
xgi.sequenceNumber = client->sequence;
xgi.depth = pDraw->depth;
if(stuff->format == ZPixmap)
{
length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height;
}
else
{
lenPer = PixmapBytePad(stuff->width, 1) * stuff->height;
plane = ((Mask)1) << (pDraw->depth - 1);
/* only planes asked for */
length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1)));
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
xgi.size = length;
if (length == 0)
{
/* nothing to do */
}
else if (stuff->format == ZPixmap)
{
(*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y,
stuff->width, stuff->height,
stuff->format, stuff->planeMask,
shmdesc->addr + stuff->offset);
}
else
{
length = stuff->offset;
for (; plane; plane >>= 1)
{
if (stuff->planeMask & plane)
{
(*pDraw->pScreen->GetImage)(pDraw,
stuff->x, stuff->y,
stuff->width, stuff->height,
stuff->format, plane,
shmdesc->addr + length);
length += lenPer;
}
}
}
if (client->swapped) {
swaps(&xgi.sequenceNumber, n);
swapl(&xgi.length, n);
swapl(&xgi.visual, n);
swapl(&xgi.size, n);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
return Success;
}
static int
ProcShmCreatePixmap(ClientPtr client)
{
PixmapPtr pMap;
DrawablePtr pDraw;
DepthPtr pDepth;
int i, rc;
ShmDescPtr shmdesc;
ShmScrPrivateRec *screen_priv;
REQUEST(xShmCreatePixmapReq);
unsigned int width, height, depth;
unsigned long size;
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
client->errorValue = stuff->pid;
if (!sharedPixmaps)
return BadImplementation;
LEGAL_NEW_RESOURCE(stuff->pid, client);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
DixGetAttrAccess);
if (rc != Success)
return rc;
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
width = stuff->width;
height = stuff->height;
depth = stuff->depth;
if (!width || !height || !depth)
{
client->errorValue = 0;
return BadValue;
}
if (width > 32767 || height > 32767)
return BadAlloc;
if (stuff->depth != 1)
{
pDepth = pDraw->pScreen->allowedDepths;
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
if (pDepth->depth == stuff->depth)
goto CreatePmap;
client->errorValue = stuff->depth;
return BadValue;
}
CreatePmap:
size = PixmapBytePad(width, depth) * height;
if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
if (size < width * height)
return BadAlloc;
}
/* thankfully, offset is unsigned */
if (stuff->offset + size < size)
return BadAlloc;
VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client);
screen_priv = ShmGetScreenPriv(pDraw->pScreen);
pMap = (*screen_priv->shmFuncs->CreatePixmap)(
pDraw->pScreen, stuff->width,
stuff->height, stuff->depth,
shmdesc->addr + stuff->offset);
if (pMap)
{
rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP,
pMap, RT_NONE, NULL, DixCreateAccess);
if (rc != Success) {
pDraw->pScreen->DestroyPixmap(pMap);
return rc;
}
dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc);
shmdesc->refcnt++;
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = stuff->pid;
if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
{
return Success;
}
pDraw->pScreen->DestroyPixmap(pMap);
}
return BadAlloc;
}
static int
proc_dri3_query_version(ClientPtr client)
{
REQUEST(xDRI3QueryVersionReq);
xDRI3QueryVersionReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0,
.majorVersion = SERVER_DRI3_MAJOR_VERSION,
.minorVersion = SERVER_DRI3_MINOR_VERSION
};
REQUEST_SIZE_MATCH(xDRI3QueryVersionReq);
(void) stuff;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.majorVersion);
swapl(&rep.minorVersion);
}
WriteToClient(client, sizeof(rep), &rep);
return Success;
}
int
dri3_send_open_reply(ClientPtr client, int fd)
{
xDRI3OpenReply rep = {
.type = X_Reply,
.nfd = 1,
.sequenceNumber = client->sequence,
.length = 0,
};
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
}
if (WriteFdToClient(client, fd, TRUE) < 0) {
close(fd);
return BadAlloc;
}
WriteToClient(client, sizeof (rep), &rep);
return Success;
}
static int
proc_dri3_open(ClientPtr client)
{
REQUEST(xDRI3OpenReq);
RRProviderPtr provider;
DrawablePtr drawable;
ScreenPtr screen;
int fd;
int status;
REQUEST_SIZE_MATCH(xDRI3OpenReq);
status = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixReadAccess);
if (status != Success)
return status;
if (stuff->provider == None)
provider = NULL;
else if (!RRProviderType) {
return BadMatch;
} else {
VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
if (drawable->pScreen != provider->pScreen)
return BadMatch;
}
screen = drawable->pScreen;
status = dri3_open(client, screen, provider, &fd);
if (status != Success)
return status;
if (client->ignoreCount == 0)
return dri3_send_open_reply(client, fd);
return Success;
}
static int
proc_dri3_buffer_from_pixmap(ClientPtr client)
{
REQUEST(xDRI3BufferFromPixmapReq);
xDRI3BufferFromPixmapReply rep = {
.type = X_Reply,
.nfd = 1,
.sequenceNumber = client->sequence,
.length = 0,
};
int rc;
int fd;
PixmapPtr pixmap;
REQUEST_SIZE_MATCH(xDRI3BufferFromPixmapReq);
rc = dixLookupResourceByType((void **) &pixmap, stuff->pixmap, RT_PIXMAP,
client, DixWriteAccess);
if (rc != Success) {
client->errorValue = stuff->pixmap;
return rc;
}
rep.width = pixmap->drawable.width;
rep.height = pixmap->drawable.height;
rep.depth = pixmap->drawable.depth;
rep.bpp = pixmap->drawable.bitsPerPixel;
rc = dri3_fd_from_pixmap(&fd, pixmap, &rep.stride, &rep.size);
if (rc != Success)
return rc;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.size);
swaps(&rep.width);
swaps(&rep.height);
swaps(&rep.stride);
}
if (WriteFdToClient(client, fd, TRUE) < 0) {
close(fd);
return BadAlloc;
}
WriteToClient(client, sizeof(rep), &rep);
return client->noClientException;
}
static int
proc_dri3_fence_from_fd(ClientPtr client)
{
REQUEST(xDRI3FenceFromFDReq);
DrawablePtr drawable;
int fd;
int status;
SetReqFds(client, 1);
REQUEST_SIZE_MATCH(xDRI3FenceFromFDReq);
LEGAL_NEW_RESOURCE(stuff->fence, client);
status = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
if (status != Success)
return status;
fd = ReadFdFromClient(client);
if (fd < 0)
return BadValue;
status = SyncCreateFenceFromFD(client, drawable, stuff->fence,
fd, stuff->initially_triggered);
return status;
}
static int
proc_dri3_pixmap_from_buffer(ClientPtr client)
{
REQUEST(xDRI3PixmapFromBufferReq);
int fd;
DrawablePtr drawable;
PixmapPtr pixmap;
int rc;
SetReqFds(client, 1);
REQUEST_SIZE_MATCH(xDRI3PixmapFromBufferReq);
LEGAL_NEW_RESOURCE(stuff->pixmap, client);
rc = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
if (rc != Success) {
client->errorValue = stuff->drawable;
return rc;
}
if (!stuff->width || !stuff->height) {
client->errorValue = 0;
return BadValue;
}
if (stuff->width > 32767 || stuff->height > 32767)
return BadAlloc;
if (stuff->depth != 1) {
DepthPtr depth = drawable->pScreen->allowedDepths;
int i;
for (i = 0; i < drawable->pScreen->numDepths; i++, depth++)
if (depth->depth == stuff->depth)
break;
if (i == drawable->pScreen->numDepths) {
client->errorValue = stuff->depth;
return BadValue;
}
}
fd = ReadFdFromClient(client);
if (fd < 0)
return BadValue;
rc = dri3_pixmap_from_fd(&pixmap,
drawable->pScreen, fd,
stuff->width, stuff->height,
stuff->stride, stuff->depth,
stuff->bpp);
close (fd);
if (rc != Success)
return rc;
pixmap->drawable.id = stuff->pixmap;
/* security creation/labeling check */
rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP,
pixmap, RT_NONE, NULL, DixCreateAccess);
if (rc != Success) {
(*drawable->pScreen->DestroyPixmap) (pixmap);
return rc;
}
if (AddResource(stuff->pixmap, RT_PIXMAP, (void *) pixmap))
return Success;
return Success;
}
static int
ProcXF86DRIGetDrawableInfo(
register ClientPtr client
)
{
xXF86DRIGetDrawableInfoReply rep;
DrawablePtr pDrawable;
int X, Y, W, H;
drm_clip_rect_t * pClipRects, *pClippedRects;
drm_clip_rect_t * pBackClipRects;
int backX, backY, rc;
REQUEST(xXF86DRIGetDrawableInfoReq);
REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
if (stuff->screen >= screenInfo.numScreens) {
client->errorValue = stuff->screen;
return BadValue;
}
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
pDrawable,
(unsigned int*)&rep.drawableTableIndex,
(unsigned int*)&rep.drawableTableStamp,
(int*)&X,
(int*)&Y,
(int*)&W,
(int*)&H,
(int*)&rep.numClipRects,
&pClipRects,
&backX,
&backY,
(int*)&rep.numBackClipRects,
&pBackClipRects)) {
return BadValue;
}
rep.drawableX = X;
rep.drawableY = Y;
rep.drawableWidth = W;
rep.drawableHeight = H;
rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
SIZEOF(xGenericReply));
rep.backX = backX;
rep.backY = backY;
if (rep.numBackClipRects)
rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
pClippedRects = pClipRects;
if (rep.numClipRects) {
/* Clip cliprects to screen dimensions (redirected windows) */
pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t));
if (pClippedRects) {
ScreenPtr pScreen = screenInfo.screens[stuff->screen];
int i, j;
for (i = 0, j = 0; i < rep.numClipRects; i++) {
pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
pClippedRects[j].y1 < pClippedRects[j].y2) {
j++;
}
}
rep.numClipRects = j;
} else {
rep.numClipRects = 0;
}
rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
}
rep.length = ((rep.length + 3) & ~3) >> 2;
WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
if (rep.numClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numClipRects,
(char *)pClippedRects);
xfree(pClippedRects);
}
if (rep.numBackClipRects) {
WriteToClient(client,
sizeof(drm_clip_rect_t) * rep.numBackClipRects,
(char *)pBackClipRects);
}
return (client->noClientException);
}
static int
ProcDamageCreate (ClientPtr client)
{
DrawablePtr pDrawable;
DamageExtPtr pDamageExt;
DamageReportLevel level;
RegionPtr pRegion;
int rc;
REQUEST(xDamageCreateReq);
REQUEST_SIZE_MATCH(xDamageCreateReq);
LEGAL_NEW_RESOURCE(stuff->damage, client);
rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
DixGetAttrAccess|DixReadAccess);
if (rc != Success)
return rc;
switch (stuff->level) {
case XDamageReportRawRectangles:
level = DamageReportRawRegion;
break;
case XDamageReportDeltaRectangles:
level = DamageReportDeltaRegion;
break;
case XDamageReportBoundingBox:
level = DamageReportBoundingBox;
break;
case XDamageReportNonEmpty:
level = DamageReportNonEmpty;
break;
default:
client->errorValue = stuff->level;
return BadValue;
}
pDamageExt = malloc(sizeof (DamageExtRec));
if (!pDamageExt)
return BadAlloc;
pDamageExt->id = stuff->damage;
pDamageExt->drawable = stuff->drawable;
pDamageExt->pDrawable = pDrawable;
pDamageExt->level = level;
pDamageExt->pClient = client;
pDamageExt->pDamage = DamageCreate (DamageExtReport,
DamageExtDestroy,
level,
FALSE,
pDrawable->pScreen,
pDamageExt);
if (!pDamageExt->pDamage)
{
free(pDamageExt);
return BadAlloc;
}
if (!AddResource (stuff->damage, DamageExtType, (pointer) pDamageExt))
return BadAlloc;
DamageSetReportAfterOp (pDamageExt->pDamage, TRUE);
DamageRegister (pDamageExt->pDrawable, pDamageExt->pDamage);
if (pDrawable->type == DRAWABLE_WINDOW)
{
pRegion = &((WindowPtr) pDrawable)->borderClip;
DamageDamageRegion(pDrawable, pRegion);
}
return Success;
}
