gecko-dev/layout/ipc
Robert O'Callahan 7c34e38876 Bug 733607. Restructure logic to compute snapped bounds of display items in layer coordinates. Moves responsibility for computing snapped bounds from within the display items to callers of GetBounds/GetOpaqueRegion. r=tnikkel
Previously we snapped the results of nsDisplayItem::GetBounds and
nsDisplayItem::GetOpaqueRegion internally. By tracking which display items were
inside transforms, we disabled snapping quite conservatively whenever an ancestor
had a transform, which is undesirable.

With this patch, we don't snap inside GetBounds or GetOpaqueRegion, but just return
a boolean flag indicating whether the item will draw with snapping or not. This flag
is conservative so that "true" means we will snap (if the graphics context has a transform
that allows snapping), but "false" means we might or might not snap (so it's always safe
to return false).

FrameLayerBuilder takes over responsibility for snapping item bounds. When it converts
display item bounds to layer pixel coordinates, it checks the snap flag returned from
the display item and checks whether the transform when we draw into the layer will be
a known scale (the ContainerParameters scale factors) plus integer translation. If both
are true, we snap the item bounds when converting to layer pixel coordinates. With
this approach, we can snap item bounds even when the items have ancestors with active
transforms.
2012-04-10 23:24:18 +12:00
..
ipdl.mk Bug 570620, part n: Hook layout/ipc into the build system, and integrate PRenderFrame into the PBrowser family. sr=bsmedberg 2010-08-20 18:24:41 -05:00
jar.mn Bug 590294: Test app that uses new viewport and displayport APIs. 2010-09-03 15:10:46 -05:00
Makefile.in Bug 570620, part n: Hook layout/ipc into the build system, and integrate PRenderFrame into the PBrowser family. sr=bsmedberg 2010-08-20 18:24:41 -05:00
PRenderFrame.ipdl Bug 648484, parts 3, 3.1, and 3.2: Allow passing a "backend hint" to GetLayerManager() to request a non-default layer manager backend. Deal with failure to hook up shadow layers. sr=roc 2011-08-09 12:38:26 -07:00
RenderFrameChild.cpp Bug 648484, parts 3, 3.1, and 3.2: Allow passing a "backend hint" to GetLayerManager() to request a non-default layer manager backend. Deal with failure to hook up shadow layers. sr=roc 2011-08-09 12:38:26 -07:00
RenderFrameChild.h Bug 648484, parts 3, 3.1, and 3.2: Allow passing a "backend hint" to GetLayerManager() to request a non-default layer manager backend. Deal with failure to hook up shadow layers. sr=roc 2011-08-09 12:38:26 -07:00
RenderFrameParent.cpp Bug 732091 - Part 3: Pass on the isFirstPaint flag from the PresShell to the compositor via the layer manager. r=tnikkel,bgirard 2012-03-12 11:50:15 -04:00
RenderFrameParent.h Bug 733607. Restructure logic to compute snapped bounds of display items in layer coordinates. Moves responsibility for computing snapped bounds from within the display items to callers of GetBounds/GetOpaqueRegion. r=tnikkel 2012-04-10 23:24:18 +12:00
test-ipcbrowser-chrome.js Bug 704171 part 1. Stop using the no-argument form of mozRequestAnimationFrame in our chrome. r=roc,gavin 2011-11-28 07:49:44 -05:00
test-ipcbrowser-content.js Bug 672172 - Remove nsIDOMWindowUtils_MOZILLA_2_0_BRANCH remnant from test-ipcbrowser-content.js. r=jdm 2011-07-20 10:39:27 +02:00
test-ipcbrowser.xul Fix test-ipcbrowser bug, as part of bug 593310 why not. a=b 2011-01-26 00:26:37 -06:00