[WebglGraphicsDevice] Catch and return async error in readTextureAsync #7173
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Very small change to
WebglGraphicsDevice
which catches and callsreject
whenreadPixelsAsync
fails.We saw this failure while attempting a readback during WebGL context loss, or if a context loss occurs while async reading is in progress.
Without this change, the method throws an uncaught exception that cannot be caught in any downstream APIs, for example:
With this change, the code above will work as expected and allow the developer to handle any readback errors as they see fit.
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