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fix: Attempt to reinitialize the webgl context when restored #1328

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merged 1 commit into from
Sep 3, 2024
+3 −1
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fix: Attempt to reinitialize the webgl context when restored #1328

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4 changes: 3 additions & 1 deletion src/webgl/webglRenderer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,8 @@ var webglRenderer = function (arg) {
m_viewer.init();
m_contextRenderer = m_viewer.renderWindow().activeRenderer();
m_contextRenderer.setResetScene(false);
canvas.get(0).addEventListener('webglcontextlost', (evt) => evt.preventDefault(), false);
canvas.get(0).addEventListener('webglcontextrestored', () => m_viewer.renderWindow()._init(), false);

if (m_viewer.renderWindow().renderers().length > 0) {
m_contextRenderer.setLayer(m_viewer.renderWindow().renderers().length);
Expand Down Expand Up @@ -140,7 +142,7 @@ var webglRenderer = function (arg) {
/* If we are already scheduled to render, don't schedule again. Rather,
* mark that we should render after other animation frame requests occur.
* It would be nice if we could just reschedule the call by removing and
* readding the animation frame request, but this doesn't work for if the
* re-adding the animation frame request, but this doesn't work for if the
* reschedule occurs during another animation frame callback (it then waits
* until a subsequent frame). */
m_this.layer().map().scheduleAnimationFrame(m_this._renderFrame, true);
Expand Down