From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- image/DecoderFlags.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 image/DecoderFlags.h (limited to 'image/DecoderFlags.h') diff --git a/image/DecoderFlags.h b/image/DecoderFlags.h new file mode 100644 index 000000000..c4a4df0e5 --- /dev/null +++ b/image/DecoderFlags.h @@ -0,0 +1,42 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_image_DecoderFlags_h +#define mozilla_image_DecoderFlags_h + +#include "mozilla/TypedEnumBits.h" + +namespace mozilla { +namespace image { + +/** + * Flags that influence decoder behavior. Note that these flags *don't* + * influence the logical content of the surfaces that the decoder generates, so + * they're not in a factor in SurfaceCache lookups and the like. These flags + * instead either influence which surfaces are generated at all or the tune the + * decoder's behavior for a particular scenario. + */ +enum class DecoderFlags : uint8_t +{ + FIRST_FRAME_ONLY = 1 << 0, + IS_REDECODE = 1 << 1, + IMAGE_IS_TRANSIENT = 1 << 2, + ASYNC_NOTIFY = 1 << 3 +}; +MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(DecoderFlags) + +/** + * @return the default set of decode flags. + */ +inline DecoderFlags +DefaultDecoderFlags() +{ + return DecoderFlags(); +} + +} // namespace image +} // namespace mozilla + +#endif // mozilla_image_DecoderFlags_h -- cgit v1.2.3