Commit 22aba328e69f19edab02062bfd791775310a0c92
2020-05-20T10:59:56
Don't write alpha when blitting to a framebuffer with emulated alpha. Emulated alpha framebuffers should never modify the alpha channel. Our blitting code didn't take this property into account. TEST=conformance2/rendering/blitframebuffer-resolve-to-back-buffer.html BUG=angleproject:4645 Change-Id: I1797934df7e7aa520bacfba8a379f6545e38753e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2210023 Reviewed-by: Jonah Ryan-Davis <jonahr@google.com> Reviewed-by: James Darpinian <jdarpinian@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>