Since context sharing is not currently supported with WebGL, offscreen
contexts have a limited usability on Qt for WASM.
If a context is shared, use the same underlaying WebGL context so that
the two can actually share resources. This is not full-blown context
sharing by any means but it makes e.g. the Open GL widget work as the
readback texture for it is 'shared' between the virtual Qt contexts.
If no sharing is desired, we use an OffscreenCanvas and actually create
a separate WebGL context.
Fixes: QTBUG-107558
Change-Id: If57e44739ddb57c167d5f8881a74d8dee52531f6
Reviewed-by: Mikołaj Boc <Mikolaj.Boc@qt.io>
(cherry picked from commit 0eea2238f3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
Make the browser compositor draw the window non-client area (using css
+ html). Get rid of OpenGL usage in non-OpenGL windows and use canvas
2d context instead to blit the texture (QImage).
Also, as part of the change, remove the deprecated canvas element support
in QScreen.
Fixes: QTBUG-107116
Fixes: QTBUG-107219
Change-Id: I65f0d91831c806315685ca681ac0e416673f5cd5
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Aleksandr Reviakin <aleksandr.reviakin@qt.io>
Reviewed-by: David Skoland <david.skoland@qt.io>
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.
Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
QtQuick3D probes for the supported OpenGL level by testing
multiple OpenGL versions in descending order. Context creation
must fail for versions not supported by WebGL. It does not
appear that Emscripten does this for the 3.x minor versions,
at least.
Add version check which allows OpenGL (ES) 3.0 and 2.0.
Change-Id: Ide8745dd79e69af86812a8d6f5d6cc16ecdd099a
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
We don’t need the contextLost callback since we can
poll for the “lost” status in isValid()
Recreating the native context is not very helpful,
since it destroys all current context state. Remove
this logic.
Support makeCurrent() on different surfaces, as long
as they refer to the same screen. Create the native
context (and record which screen) on the first call
to makeCurrent()
Task-number: QTBUG-75463
Change-Id: I6eb830df14578ffdbed5b0505fe860ce433e4f9b
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
This allows for multi canvas use
Task-number: QTBUG-64079
Change-Id: I69c998aa4c2869bb5b7f14ba65bb63284365ad70
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
This is the squashed diff from wip/webassembly to dev.
Done-with: Peng Wu <peng.wu@intopalo.com>
Done-with: Sami Enne <sami.enne@intopalo.com>
Done-with: Morten Johan Sørvig <morten.sorvig@qt.io>
Started-by: Andrew Knight <andrew.knight@intopalo.com>
Change-Id: I6562433c0a38d6ec49ab675e0f104f2665f3392d
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Mikolaj Boc
Lucie Gérard
Morten Johan Sørvig
Lorn Potter