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path: root/src/plugins/platforms/wasm/qwasmopenglcontext.cpp
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* wasm: Specify event targets by CSS selectors; Support emsdk >= 1.39.5Morten Johan Sørvig2020-02-181-1/+2
| | | | | | | | | | | | | | | DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR is now on by default, which means that functions like emscripten_set_keydown_callback() now expects CSS selectors (e.g. "#canvas_id" instead of "canvas_id"). In addition, Module.canvas is no more. Add a deprecation warning in case someone is setting it and expects Qt to use it. (qtloader.js sets qtCanvasElements instead). This bumps the minimum supported emsdk version to 1.39.5. Change-Id: I38abb2a191076ea04581c29552657ee3e0b87dbc Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: do not get canvas as property of js global objectAlexandra Cherdantseva2020-01-131-1/+1
| | | | | | | | | You cannot be sure that property with specified key in a global object is really a canvas. Should use `document.getElementById`. Change-Id: Ife55adaad5517aed64122b0c9bff32489cf19a2f Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* Prevent emscripten_webgl_destroy_context from removing event handlersMorten Johan Sørvig2019-12-031-0/+7
| | | | | | | | | | | | | | | | | | | | The JavaScript implementation of that function has the following code: if (typeof JSEvents === 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all // JS event handlers on the DOM element that the GL context is associated with since the context // is now deleted. This breaks mouse/keyboard events, etc. Disable this logic by temporarily setting the JSEvents object to undefined, for the duration of the emscripten_webgl_destroy_context call. Fixes: QTBUG-74850 Change-Id: Ied3177b0ca6e63e8ea07143bf7d6a850b0bce35a Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* Merge remote-tracking branch 'origin/5.13.0' into 5.13Liang Qi2019-06-111-32/+27
|\ | | | | | | | | | | | | | | Conflicts: src/plugins/platforms/wasm/qwasmintegration.cpp src/plugins/platforms/wasm/qwasmintegration.h Change-Id: Idf4c7936513fb1f21daa8f6105b8545f13447bb8
| * wasm: rewrite/simplify OpenglContextMorten Johan Sørvig2019-05-141-32/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | wasm: fix QSGContext warning messageLorn Potter2019-05-211-2/+14
|/ | | | | | | | | | | When runing the scenegraph example sgengine, gets rid if this error: QSGContext::initialize: stencil buffer support missing, expect rendering errors Change-Id: I7f3a82409bc2cf81cf8217876e527f9c45be3bf4 Fixes: QTBUG-74694 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: support rendering to multiple canvasesMorten Johan Sørvig2019-03-081-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Qt (via the the qtloader.js API) now supports rendering to multiple canvases. The application sees each canvas as a QScreen. Make qtloader.js support multiple canvases: var qtloader = QtLoader({ canvasElements : [array-of-canvas], showCanvas: function() { // make canvas(es) visible }, }); The canvases were previously created/returned by showCanvas(), however this function is called after the Qt app has been started and adding screens that that point is too late. (This worked before since there was only one screen, and no need to connect each screen instance to specific canvas.) Remove QWasmScreen, QWasmCompositor, and QWasmEventTranslator singletons from QWasmIntegration. These are are now crated per-screen and are owned by the QWasmScreen. Task-number: QTBUG-64079 Change-Id: I24689929fd5bfb7ff0ba076f66937728fa4bc4e4 Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* wasm: make wasm platform target a specific canvas instead of defaultLorn Potter2019-03-081-5/+7
| | | | | | | | This allows for multi canvas use Task-number: QTBUG-64079 Change-Id: I69c998aa4c2869bb5b7f14ba65bb63284365ad70 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* WebAssembly for QtBaseMorten Johan Sørvig2018-08-301-0/+147
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>
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