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Merge pull request #13151 from mike-000/null-attributes

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Avoid error accessing attributes when context is lost
This commit is contained in:
Tim Schaub
2021-12-21 11:47:08 -07:00
committed by GitHub
parent 5267e30d6d 792f937aa5
commit 4fe091c02d
1 changed files with 1 additions and 1 deletions
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src/ol/webgl/PostProcessingPass.js
+1 -1
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@@ -273,7 +273,7 @@ class WebGLPostProcessingPass {
const canvasId = getUid(gl.canvas); const canvasId = getUid(gl.canvas);
if (!frameState.renderTargets[canvasId]) { if (!frameState.renderTargets[canvasId]) {
const attributes = gl.getContextAttributes(); const attributes = gl.getContextAttributes();
if (attributes.preserveDrawingBuffer) { if (attributes && attributes.preserveDrawingBuffer) {
gl.clearColor(0.0, 0.0, 0.0, 0.0); gl.clearColor(0.0, 0.0, 0.0, 0.0);
gl.clear(gl.COLOR_BUFFER_BIT); gl.clear(gl.COLOR_BUFFER_BIT);
} }