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I could currently only test this with --enable-overlay-scrollbars.
Background color quads still need some work in Chromium to be able to
to use this kind of quads, see
<http://code.google.com/p/chromium/issues/detail?id=114658>.
Change-Id: I9c9bdb5c72b91827cfdb7e38e44755c6361a05cf
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
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This basically reimplements GLRenderer::DrawYUVVideoQuad.
Change-Id: I990e224d69b372c76e2174c174c9b82678e25b86
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
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A few changes are necessary to allow fetching textures provided by
the render processes through IPC and bound to their respective GL
context in the GPU process and use them in the QtQuick scene graph.
- Remove the plain color test textures.
- Allow setting the QtQuick QOpenGLContext's handle as the share
context for all context set as shared in the Chromium GPU process.
We do this by letting the GpuChannelManager ask us for a
ShareGroup instance responsible for returning a sharing GL context
handle.
- Fetch texture IDs from the MailboxManager used by the GPU process
using the Mailbox given to us in the DelegatedFrameData.
This is the same mechanism used by Chromium to share textures
between "client" GL contexts.
- Keep the QtQuick scene graph threads and Chromium in-process GPU
thread separate. The complicated part of merging those two
rendering pipelines on the same thread is that it would force Qt
to also use only one thread for rendering. For the moment we will
try to synchronize those threads together instead.
- Lock the Qt SG thread while waiting for resource sync points.
Do so by posting a callback to the Chromium GPU thread and wait
until the sync point of every resource has been retired by the
producing contexts.
- Acknowledge the delegated from once QtQuick swapped the GL buffers
instead of right after we added the frame to the scene graph.
This fixes some issues where the textures for the previous frame
would already be released as Chromium was producing the new frame.
There are still a few issues regarding synchronization that have to
be fixed, especially when Qt triggers the rendering of a new frame
while Chromium is starting to produce the next frame.
Note: To enable it we still need to pass the following command switches:
--enable-delegated-renderer --enable-threaded-compositing --in-process-gpu
Change-Id: I2d4f7fac603b1808ed1495a8d689cb48e9ed41b9
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
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We can't have QWebFrame::evaluateJavascript in its old form for
several reasons, the first of which being that we don't have a
QWebEngineFrame class anymore. This is worked around by adding
an optional QString parameter with the frame's XPath.
Another issue is that the WebKit1 API was synchronous, and this would
not play nicely with the very asynchronous nature of chromium we're
now sitting on top of. In order to make this obvious when porting, we
rename it to runJavaScript which doesn't return any result.
This also introduces a template member function overload that will
accept function pointers, functors and lambdas,much like Qt5's new
signal/slot syntax, in order to get the result of the javascript
evaluation back.
Change-Id: I64e15a6f5a168936c52a4da2cef6285dfd16e0d5
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
Reviewed-by: Andras Becsi <andras.becsi@digia.com>
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This is just the basic core part and widgets plumbing and default
implementations of the virtual functions in QWebEnginePage.
QtQuick implementation is still yet to be done
Change-Id: I7cf8d6e5ec0bf747d45e9914db57bd0e4ef95b7f
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
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This provides a stub implementation that renders quads and RenderPasses
using QSGNodes in QQuickWebEngineView.
The BackingStore code path is still supported when the delegated renderer
switch is not enabled. To use the new rendering, pass the following switches:
--enable-delegated-renderer --enable-threaded-compositing
This uses debug, plain color textures until we can fetch tiles and
textures from the ResourceProvider across OpenGL context boundaries.
Change-Id: I33ea0738dc5a326ef79c1435f75c044c42e8551f
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
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This adds the common GURL->QUrl and string16->QString conversions
into a common header and use those functions throughout the code.
Move the qStringToStringType into the same header and rename it
to a name consistent with the others.
This also cleans up shared_globals.h by moving content:: forward
declarations in the cpp, where they are used.
Change-Id: I19527ea7de1f6047aae8b44c97eb4d7c3e5a0e54
Reviewed-by: Andras Becsi <andras.becsi@digia.com>
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