void
nsShmImage::Put(const mozilla::LayoutDeviceIntRegion& aRegion)
{
AutoTArray<xcb_rectangle_t, 32> xrects;
xrects.SetCapacity(aRegion.GetNumRects());
for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
const mozilla::LayoutDeviceIntRect &r = iter.Get();
xcb_rectangle_t xrect = { (short)r.x, (short)r.y, (unsigned short)r.width, (unsigned short)r.height };
xrects.AppendElement(xrect);
}
if (!mGC) {
mGC = xcb_generate_id(mConnection);
xcb_create_gc(mConnection, mGC, mWindow, 0, nullptr);
}
xcb_set_clip_rectangles(mConnection, XCB_CLIP_ORDERING_YX_BANDED, mGC, 0, 0,
xrects.Length(), xrects.Elements());
if (mPixmap != XCB_NONE) {
mLastRequest = xcb_copy_area_checked(mConnection, mPixmap, mWindow, mGC,
0, 0, 0, 0, mSize.width, mSize.height);
} else {
mLastRequest = xcb_shm_put_image_checked(mConnection, mWindow, mGC,
mSize.width, mSize.height,
0, 0, mSize.width, mSize.height,
0, 0, mDepth,
XCB_IMAGE_FORMAT_Z_PIXMAP, 0,
mShmSeg, 0);
}
xcb_flush(mConnection);
}
void
nsShmImage::Put(const mozilla::LayoutDeviceIntRegion& aRegion)
{
AutoTArray<xcb_rectangle_t, 32> xrects;
xrects.SetCapacity(aRegion.GetNumRects());
for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
const mozilla::LayoutDeviceIntRect &r = iter.Get();
xcb_rectangle_t xrect = { (short)r.x, (short)r.y, (unsigned short)r.width, (unsigned short)r.height };
xrects.AppendElement(xrect);
}
if (!mGC) {
mGC = xcb_generate_id(mConnection);
xcb_create_gc(mConnection, mGC, mWindow, 0, nullptr);
}
xcb_set_clip_rectangles(mConnection, XCB_CLIP_ORDERING_YX_BANDED, mGC, 0, 0,
xrects.Length(), xrects.Elements());
if (mPixmap != XCB_NONE) {
mPutRequest = xcb_copy_area_checked(mConnection, mPixmap, mWindow, mGC,
0, 0, 0, 0, mSize.width, mSize.height);
} else {
mPutRequest = xcb_shm_put_image_checked(mConnection, mWindow, mGC,
mSize.width, mSize.height,
0, 0, mSize.width, mSize.height,
0, 0, mDepth,
XCB_IMAGE_FORMAT_Z_PIXMAP, 0,
mShmSeg, 0);
}
// Send a request that returns a response so that we don't have to start a
// sync in nsShmImage::CreateDrawTarget to retrieve the result of mPutRequest.
mSyncRequest = xcb_get_input_focus(mConnection);
mRequestPending = true;
xcb_flush(mConnection);
}