User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.98 Safari/537.36 Steps to reproduce: Run the WebGL readPixels conformance test https://www.khronos.org/registry/webgl/sdk/tests/conformance/reading/read-pixels-test.html?webglVersion=1&quiet=0 or this example https://jsfiddle.net/greggman/dfwnqv69/ Actual results: Check the Web Console, Firefox printed the misleading message Error: WebGL: readPixels: Out-of-bounds reads with readPixels are deprecated, and may be slow. Expected results: At most Firefox should print Warning: WebGL: readPixels: Out-of-bounds reads with readPixels may be slow. Reading out of bounds pixels is not an error nor is it deprecated. See WebGL1 and WebGL2 specs
This is now fixed in nightly 55.0a1 (2017-04-16) (64-bit)
Status: UNCONFIRMED → RESOLVED
Last Resolved: 10 months ago
Resolution: --- → WORKSFORME
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