mirror of
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877d22c39e
Differential Revision: https://phabricator.services.mozilla.com/D52008 --HG-- extra : moz-landing-system : lando
602 lines
28 KiB
C++
602 lines
28 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_image_SurfacePipeFactory_h
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#define mozilla_image_SurfacePipeFactory_h
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#include "SurfacePipe.h"
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#include "SurfaceFilters.h"
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namespace mozilla {
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namespace image {
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namespace detail {
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/**
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* FilterPipeline is a helper template for SurfacePipeFactory that determines
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* the full type of the sequence of SurfaceFilters that a sequence of
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* configuration structs corresponds to. To make this work, all configuration
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* structs must include a typedef 'Filter' that identifies the SurfaceFilter
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* they configure.
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*/
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template <typename... Configs>
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struct FilterPipeline;
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template <typename Config, typename... Configs>
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struct FilterPipeline<Config, Configs...> {
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typedef typename Config::template Filter<
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typename FilterPipeline<Configs...>::Type>
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Type;
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};
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template <typename Config>
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struct FilterPipeline<Config> {
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typedef typename Config::Filter Type;
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};
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} // namespace detail
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/**
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* Flags for SurfacePipeFactory, used in conjunction with the factory functions
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* in SurfacePipeFactory to enable or disable various SurfacePipe
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* functionality.
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*/
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enum class SurfacePipeFlags {
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DEINTERLACE = 1 << 0, // If set, deinterlace the image.
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ADAM7_INTERPOLATE =
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1 << 1, // If set, the caller is deinterlacing the
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// image using ADAM7, and we may want to
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// interpolate it for better intermediate results.
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FLIP_VERTICALLY = 1 << 2, // If set, flip the image vertically.
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PROGRESSIVE_DISPLAY = 1 << 3, // If set, we expect the image to be displayed
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// progressively. This enables features that
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// result in a better user experience for
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// progressive display but which may be more
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// computationally expensive.
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PREMULTIPLY_ALPHA = 1 << 4, // If set, we want to premultiply the alpha
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// channel and the individual color channels.
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};
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MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(SurfacePipeFlags)
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class SurfacePipeFactory {
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public:
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/**
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* Creates and initializes a normal (i.e., non-paletted) SurfacePipe.
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*
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* @param aDecoder The decoder whose current frame the SurfacePipe will write
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* to.
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* @param aInputSize The original size of the image.
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* @param aOutputSize The size the SurfacePipe should output. Must be the same
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* as @aInputSize or smaller. If smaller, the image will be
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* downscaled during decoding.
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* @param aFrameRect The portion of the image that actually contains data.
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* @param aFormat The surface format of the image; generally B8G8R8A8 or
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* B8G8R8X8.
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* @param aAnimParams Extra parameters used by animated images.
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* @param aFlags Flags enabling or disabling various functionality for the
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* SurfacePipe; see the SurfacePipeFlags documentation for more
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* information.
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*
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* @return A SurfacePipe if the parameters allowed one to be created
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* successfully, or Nothing() if the SurfacePipe could not be
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* initialized.
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*/
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static Maybe<SurfacePipe> CreateSurfacePipe(
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Decoder* aDecoder, const nsIntSize& aInputSize,
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const nsIntSize& aOutputSize, const nsIntRect& aFrameRect,
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gfx::SurfaceFormat aInFormat, gfx::SurfaceFormat aOutFormat,
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const Maybe<AnimationParams>& aAnimParams, qcms_transform* aTransform,
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SurfacePipeFlags aFlags) {
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const bool deinterlace = bool(aFlags & SurfacePipeFlags::DEINTERLACE);
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const bool flipVertically =
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bool(aFlags & SurfacePipeFlags::FLIP_VERTICALLY);
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const bool progressiveDisplay =
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bool(aFlags & SurfacePipeFlags::PROGRESSIVE_DISPLAY);
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const bool downscale = aInputSize != aOutputSize;
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const bool removeFrameRect = !aFrameRect.IsEqualEdges(
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nsIntRect(0, 0, aInputSize.width, aInputSize.height));
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const bool blendAnimation = aAnimParams.isSome();
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const bool colorManagement = aTransform != nullptr;
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const bool premultiplyAlpha =
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bool(aFlags & SurfacePipeFlags::PREMULTIPLY_ALPHA);
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MOZ_ASSERT(aInFormat == gfx::SurfaceFormat::R8G8B8 ||
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aInFormat == gfx::SurfaceFormat::R8G8B8A8 ||
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aInFormat == gfx::SurfaceFormat::R8G8B8X8 ||
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aInFormat == gfx::SurfaceFormat::OS_RGBA ||
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aInFormat == gfx::SurfaceFormat::OS_RGBX);
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MOZ_ASSERT(aOutFormat == gfx::SurfaceFormat::OS_RGBA ||
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aOutFormat == gfx::SurfaceFormat::OS_RGBX);
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const bool inFormatRgb = aInFormat == gfx::SurfaceFormat::R8G8B8;
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const bool inFormatOpaque = aInFormat == gfx::SurfaceFormat::OS_RGBX ||
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aInFormat == gfx::SurfaceFormat::R8G8B8X8 ||
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inFormatRgb;
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const bool outFormatOpaque = aOutFormat == gfx::SurfaceFormat::OS_RGBX;
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const bool inFormatOrder = aInFormat == gfx::SurfaceFormat::R8G8B8A8 ||
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aInFormat == gfx::SurfaceFormat::R8G8B8X8;
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const bool outFormatOrder = aOutFormat == gfx::SurfaceFormat::R8G8B8A8 ||
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aOutFormat == gfx::SurfaceFormat::R8G8B8X8;
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// Early swizzles are for unpacking RGB or forcing RGBA/BGRA_U32 to
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// RGBX/BGRX_U32. We should never want to premultiply in either case,
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// because the image's alpha channel will always be opaque. This must be
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// done before downscaling and color management.
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bool unpackOrMaskSwizzle =
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inFormatRgb ||
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(!inFormatOpaque && outFormatOpaque && inFormatOrder == outFormatOrder);
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// Late swizzles are for premultiplying RGBA/BGRA_U32 and/or possible
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// converting between RGBA and BGRA_U32. It must happen after color
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// management, and before downscaling.
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bool swapOrAlphaSwizzle =
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(!inFormatRgb && inFormatOrder != outFormatOrder) || premultiplyAlpha;
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if (unpackOrMaskSwizzle && swapOrAlphaSwizzle) {
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MOZ_ASSERT_UNREACHABLE("Early and late swizzles not supported");
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return Nothing();
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}
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if (!unpackOrMaskSwizzle && !swapOrAlphaSwizzle &&
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aInFormat != aOutFormat) {
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MOZ_ASSERT_UNREACHABLE("Need to swizzle, but not configured to");
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return Nothing();
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}
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// Don't interpolate if we're sure we won't show this surface to the user
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// until it's completely decoded. The final pass of an ADAM7 image doesn't
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// need interpolation, so we only need to interpolate if we'll be displaying
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// the image while it's still being decoded.
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const bool adam7Interpolate =
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bool(aFlags & SurfacePipeFlags::ADAM7_INTERPOLATE) &&
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progressiveDisplay;
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if (deinterlace && adam7Interpolate) {
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MOZ_ASSERT_UNREACHABLE("ADAM7 deinterlacing is handled by libpng");
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return Nothing();
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}
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// Construct configurations for the SurfaceFilters. Note that the order of
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// these filters is significant. We want to deinterlace or interpolate raw
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// input rows, before any other transformations, and we want to remove the
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// frame rect (which may involve adding blank rows or columns to the image)
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// before any downscaling, so that the new rows and columns are taken into
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// account.
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DeinterlacingConfig<uint32_t> deinterlacingConfig{progressiveDisplay};
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ADAM7InterpolatingConfig interpolatingConfig;
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RemoveFrameRectConfig removeFrameRectConfig{aFrameRect};
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BlendAnimationConfig blendAnimationConfig{aDecoder};
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DownscalingConfig downscalingConfig{aInputSize, aOutFormat};
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ColorManagementConfig colorManagementConfig{aTransform};
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SwizzleConfig swizzleConfig{aInFormat, aOutFormat, premultiplyAlpha};
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SurfaceConfig surfaceConfig{aDecoder, aOutputSize, aOutFormat,
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flipVertically, aAnimParams};
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Maybe<SurfacePipe> pipe;
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if (unpackOrMaskSwizzle) {
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if (colorManagement) {
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if (downscale) {
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MOZ_ASSERT(!blendAnimation);
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if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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removeFrameRectConfig, downscalingConfig,
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colorManagementConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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removeFrameRectConfig, downscalingConfig,
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colorManagementConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, removeFrameRectConfig,
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downscalingConfig, colorManagementConfig,
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surfaceConfig);
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}
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} else { // (removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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downscalingConfig, colorManagementConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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downscalingConfig, colorManagementConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, downscalingConfig,
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colorManagementConfig, surfaceConfig);
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}
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}
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} else { // (downscale is false)
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if (blendAnimation) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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colorManagementConfig, blendAnimationConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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colorManagementConfig, blendAnimationConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, colorManagementConfig,
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blendAnimationConfig, surfaceConfig);
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}
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} else if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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colorManagementConfig, removeFrameRectConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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colorManagementConfig, removeFrameRectConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, colorManagementConfig,
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removeFrameRectConfig, surfaceConfig);
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}
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} else { // (blendAnimation and removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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colorManagementConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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colorManagementConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(swizzleConfig, colorManagementConfig, surfaceConfig);
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}
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}
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}
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} else { // (colorManagement is false)
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if (downscale) {
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MOZ_ASSERT(!blendAnimation);
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if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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removeFrameRectConfig, downscalingConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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removeFrameRectConfig, downscalingConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, removeFrameRectConfig,
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downscalingConfig, surfaceConfig);
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}
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} else { // (removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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downscalingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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downscalingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, downscalingConfig, surfaceConfig);
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}
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}
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} else { // (downscale is false)
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if (blendAnimation) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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blendAnimationConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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blendAnimationConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(swizzleConfig, blendAnimationConfig, surfaceConfig);
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}
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} else if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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removeFrameRectConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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removeFrameRectConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(swizzleConfig, removeFrameRectConfig, surfaceConfig);
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}
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} else { // (blendAnimation and removeFrameRect is false)
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if (deinterlace) {
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pipe =
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MakePipe(swizzleConfig, deinterlacingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe =
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MakePipe(swizzleConfig, interpolatingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, surfaceConfig);
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}
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}
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}
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}
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} else if (swapOrAlphaSwizzle) {
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if (colorManagement) {
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if (downscale) {
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MOZ_ASSERT(!blendAnimation);
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if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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deinterlacingConfig, removeFrameRectConfig,
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downscalingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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interpolatingConfig, removeFrameRectConfig,
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downscalingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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removeFrameRectConfig, downscalingConfig,
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surfaceConfig);
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}
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} else { // (removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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deinterlacingConfig, downscalingConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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interpolatingConfig, downscalingConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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downscalingConfig, surfaceConfig);
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}
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}
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} else { // (downscale is false)
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if (blendAnimation) {
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if (deinterlace) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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deinterlacingConfig, blendAnimationConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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interpolatingConfig, blendAnimationConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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blendAnimationConfig, surfaceConfig);
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}
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} else if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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deinterlacingConfig, removeFrameRectConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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interpolatingConfig, removeFrameRectConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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removeFrameRectConfig, surfaceConfig);
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}
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} else { // (blendAnimation and removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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deinterlacingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(colorManagementConfig, swizzleConfig,
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interpolatingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(colorManagementConfig, swizzleConfig, surfaceConfig);
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}
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}
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}
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} else { // (colorManagement is false)
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if (downscale) {
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MOZ_ASSERT(!blendAnimation);
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if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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removeFrameRectConfig, downscalingConfig,
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surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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removeFrameRectConfig, downscalingConfig,
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surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, removeFrameRectConfig,
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downscalingConfig, surfaceConfig);
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}
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} else { // (removeFrameRect is false)
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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downscalingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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downscalingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, downscalingConfig, surfaceConfig);
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}
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}
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} else { // (downscale is false)
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if (blendAnimation) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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blendAnimationConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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blendAnimationConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(swizzleConfig, blendAnimationConfig, surfaceConfig);
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}
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} else if (removeFrameRect) {
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if (deinterlace) {
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pipe = MakePipe(swizzleConfig, deinterlacingConfig,
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removeFrameRectConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe = MakePipe(swizzleConfig, interpolatingConfig,
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removeFrameRectConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe =
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MakePipe(swizzleConfig, removeFrameRectConfig, surfaceConfig);
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}
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} else { // (blendAnimation and removeFrameRect is false)
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if (deinterlace) {
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pipe =
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MakePipe(swizzleConfig, deinterlacingConfig, surfaceConfig);
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} else if (adam7Interpolate) {
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pipe =
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MakePipe(swizzleConfig, interpolatingConfig, surfaceConfig);
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} else { // (deinterlace and adam7Interpolate are false)
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pipe = MakePipe(swizzleConfig, surfaceConfig);
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}
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}
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}
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}
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} else { // (unpackOrMaskSwizzle and swapOrAlphaSwizzle are false)
|
|
if (colorManagement) {
|
|
if (downscale) {
|
|
MOZ_ASSERT(!blendAnimation);
|
|
if (removeFrameRect) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, removeFrameRectConfig,
|
|
downscalingConfig, colorManagementConfig,
|
|
surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, removeFrameRectConfig,
|
|
downscalingConfig, colorManagementConfig,
|
|
surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(removeFrameRectConfig, downscalingConfig,
|
|
colorManagementConfig, surfaceConfig);
|
|
}
|
|
} else { // (removeFrameRect is false)
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, downscalingConfig,
|
|
colorManagementConfig, surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, downscalingConfig,
|
|
colorManagementConfig, surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(downscalingConfig, colorManagementConfig,
|
|
surfaceConfig);
|
|
}
|
|
}
|
|
} else { // (downscale is false)
|
|
if (blendAnimation) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, colorManagementConfig,
|
|
blendAnimationConfig, surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, colorManagementConfig,
|
|
blendAnimationConfig, surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(colorManagementConfig, blendAnimationConfig,
|
|
surfaceConfig);
|
|
}
|
|
} else if (removeFrameRect) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, colorManagementConfig,
|
|
removeFrameRectConfig, surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, colorManagementConfig,
|
|
removeFrameRectConfig, surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(colorManagementConfig, removeFrameRectConfig,
|
|
surfaceConfig);
|
|
}
|
|
} else { // (blendAnimation and removeFrameRect is false)
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, colorManagementConfig,
|
|
surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, colorManagementConfig,
|
|
surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(colorManagementConfig, surfaceConfig);
|
|
}
|
|
}
|
|
}
|
|
} else { // (colorManagement is false)
|
|
if (downscale) {
|
|
MOZ_ASSERT(!blendAnimation);
|
|
if (removeFrameRect) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, removeFrameRectConfig,
|
|
downscalingConfig, surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, removeFrameRectConfig,
|
|
downscalingConfig, surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(removeFrameRectConfig, downscalingConfig,
|
|
surfaceConfig);
|
|
}
|
|
} else { // (removeFrameRect is false)
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, downscalingConfig,
|
|
surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, downscalingConfig,
|
|
surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(downscalingConfig, surfaceConfig);
|
|
}
|
|
}
|
|
} else { // (downscale is false)
|
|
if (blendAnimation) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, blendAnimationConfig,
|
|
surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, blendAnimationConfig,
|
|
surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(blendAnimationConfig, surfaceConfig);
|
|
}
|
|
} else if (removeFrameRect) {
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, removeFrameRectConfig,
|
|
surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, removeFrameRectConfig,
|
|
surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(removeFrameRectConfig, surfaceConfig);
|
|
}
|
|
} else { // (blendAnimation and removeFrameRect is false)
|
|
if (deinterlace) {
|
|
pipe = MakePipe(deinterlacingConfig, surfaceConfig);
|
|
} else if (adam7Interpolate) {
|
|
pipe = MakePipe(interpolatingConfig, surfaceConfig);
|
|
} else { // (deinterlace and adam7Interpolate are false)
|
|
pipe = MakePipe(surfaceConfig);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return pipe;
|
|
}
|
|
|
|
private:
|
|
template <typename... Configs>
|
|
static Maybe<SurfacePipe> MakePipe(const Configs&... aConfigs) {
|
|
auto pipe = MakeUnique<typename detail::FilterPipeline<Configs...>::Type>();
|
|
nsresult rv = pipe->Configure(aConfigs...);
|
|
if (NS_FAILED(rv)) {
|
|
return Nothing();
|
|
}
|
|
|
|
return Some(SurfacePipe{std::move(pipe)});
|
|
}
|
|
|
|
virtual ~SurfacePipeFactory() = 0;
|
|
};
|
|
|
|
} // namespace image
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_image_SurfacePipeFactory_h
|