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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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/. */
+
+include LayersSurfaces;
+include protocol PCompositorBridge;
+include protocol PTexture;
+
+include "gfxipc/ShadowLayerUtils.h";
+include "mozilla/GfxMessageUtils.h";
+include "mozilla/layers/LayersMessageUtils.h";
+
+using mozilla::gfx::Glyph from "mozilla/gfx/2D.h";
+using mozilla::gfx::SamplingFilter from "mozilla/gfx/2D.h";
+using struct mozilla::gfx::DeviceColor from "mozilla/gfx/2D.h";
+using mozilla::gfx::Point from "mozilla/gfx/Point.h";
+using mozilla::gfx::Point3D from "mozilla/gfx/Point.h";
+using mozilla::gfx::IntPoint from "mozilla/gfx/Point.h";
+using mozilla::gfx::Matrix4x4 from "mozilla/gfx/Matrix.h";
+using mozilla::SideBits from "mozilla/gfx/Types.h";
+using nscolor from "nsColor.h";
+using nscoord from "nsCoord.h";
+using struct nsRect from "nsRect.h";
+using struct nsPoint from "nsPoint.h";
+using mozilla::TimeDuration from "mozilla/TimeStamp.h";
+using class mozilla::TimeStamp from "mozilla/TimeStamp.h";
+using mozilla::ScreenRotation from "mozilla/WidgetUtils.h";
+using nsCSSPropertyID from "nsCSSPropertyID.h";
+using mozilla::hal::ScreenOrientation from "mozilla/HalIPCUtils.h";
+using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
+using mozilla::CSSCoord from "Units.h";
+using mozilla::CSSPoint from "Units.h";
+using mozilla::CSSRect from "Units.h";
+using mozilla::gfx::IntSize from "mozilla/gfx/2D.h";
+using mozilla::LayerMargin from "Units.h";
+using mozilla::LayerPoint from "Units.h";
+using mozilla::LayerCoord from "Units.h";
+using mozilla::LayerSize from "Units.h";
+using mozilla::LayerRect from "Units.h";
+using mozilla::LayerIntSize from "Units.h";
+using mozilla::LayerIntRect from "Units.h";
+using mozilla::LayerIntRegion from "Units.h";
+using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h";
+using mozilla::ParentLayerIntRect from "Units.h";
+using mozilla::ParentLayerRect from "Units.h";
+using mozilla::LayoutDeviceIntRect from "Units.h";
+using mozilla::LayoutDevicePoint from "Units.h";
+using mozilla::LayoutDeviceRect from "Units.h";
+using mozilla::layers::ScaleMode from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::EventRegionsOverride from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::DiagnosticTypes from "mozilla/layers/CompositorTypes.h";
+using mozilla::layers::ScrollableLayerGuid::ViewID from "mozilla/layers/ScrollableLayerGuid.h";
+using mozilla::layers::ScrollDirection from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::LayersBackend from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::LayerHandle from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::CompositableHandle from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::CompositionPayload from "mozilla/layers/LayersTypes.h";
+[MoveOnly] using mozilla::CrossProcessSemaphoreHandle from "mozilla/ipc/CrossProcessSemaphore.h";
+using struct mozilla::void_t from "mozilla/ipc/IPCCore.h";
+using mozilla::layers::LayersId from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::RemoteTextureId from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::RemoteTextureOwnerId from "mozilla/layers/LayersTypes.h";
+using mozilla::layers::TransactionId from "mozilla/layers/LayersTypes.h";
+using mozilla::LengthPercentage from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleOffsetPath from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleOffsetRotate from "mozilla/ServoStyleConsts.h";
+using mozilla::StylePositionOrAuto from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleOffsetPosition from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleRotate from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleScale from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleTranslate from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleTransform from "mozilla/ServoStyleConsts.h";
+using mozilla::StyleComputedTimingFunction from "mozilla/ServoStyleConsts.h";
+
+namespace mozilla {
+namespace layers {
+
+struct TargetConfig {
+ IntRect naturalBounds;
+ ScreenRotation rotation;
+ ScreenOrientation orientation;
+ nsIntRegion clearRegion;
+};
+
+struct OpAttachCompositable {
+ LayerHandle layer;
+ CompositableHandle compositable;
+};
+
+struct OpAttachAsyncCompositable {
+ LayerHandle layer;
+ CompositableHandle compositable;
+};
+struct LayerColor { DeviceColor value; };
+
+[Comparable] union Animatable {
+ null_t;
+ float;
+ nscolor;
+ StyleRotate;
+ StyleScale;
+ StyleTranslate;
+ StyleTransform;
+ StyleOffsetPath;
+ LengthPercentage;
+ StyleOffsetRotate;
+ StylePositionOrAuto;
+ StyleOffsetPosition;
+};
+
+struct AnimationSegment {
+ Animatable startState;
+ Animatable endState;
+ float startPortion;
+ float endPortion;
+ uint8_t startComposite;
+ uint8_t endComposite;
+ StyleComputedTimingFunction? sampleFn;
+};
+
+[Comparable] struct MotionPathData {
+ // The transform-origin property for motion in css pixels
+ CSSPoint origin;
+ // The adjustment for the anchor point of motion path.
+ CSSPoint anchorAdjustment;
+ // The coord box of the containing block.
+ nsRect coordBox;
+ // The current position of this transfromed box in the coordinate system of
+ // its containing block.
+ nsPoint currentPosition;
+ // The reference length for computing ray(contain) (in css pixels).
+ CSSCoord rayContainReferenceLength;
+ // The resolved border-radius of its containing block. If the array size is
+ // zero, we don't have radius.
+ nscoord[] coordBoxInsetRadii;
+};
+
+[Comparable] struct PartialPrerenderData {
+ LayoutDeviceRect rect;
+ SideBits overflowedSides;
+ // the scroll id of the nearest scrollable frame of this partial prerender
+ // data.
+ ViewID scrollId;
+ // The clip rectangle of the nearest scrollable frame.
+ // NOTE: This should be used only for fallback cases where APZ is not enabled.
+ ParentLayerRect clipRect;
+ // a transform from the coordinate space of the animated element to a
+ // coordinate space where the `clipRect` can be applied.
+ Matrix4x4 transformInClip; // Used only for WebRender.
+ // the position relative to the reference frame of the animated transform
+ // element in the element coordinate space.
+ LayoutDevicePoint position; // Used only for WebRender.
+};
+
+// Transforms need extra information to correctly convert the list of transform
+// functions to a Matrix4x4 that can be applied directly to the layer.
+[Comparable] struct TransformData {
+ // the origin of the frame being transformed in app units
+ nsPoint origin;
+ // the transform-origin property for the transform in device pixels
+ Point3D transformOrigin;
+ nsRect bounds;
+ int32_t appUnitsPerDevPixel;
+ MotionPathData? motionPathData;
+ PartialPrerenderData? partialPrerenderData;
+};
+
+// The scroll timeline information.
+struct ScrollTimelineOptions {
+ // The source of the scroll-timeline.
+ ViewID source;
+ // The physical direction.
+ ScrollDirection axis;
+};
+
+struct Animation {
+ // The zero time of this Animation's timeline. May be null if isNotPlaying is
+ // true.
+ TimeStamp originTime;
+ // The start time is relative to the originTime. This allows us to represent
+ // start times in the distant past that cannot be expressed using a TimeStamp.
+ TimeDuration? startTime;
+ TimeDuration delay;
+ TimeDuration endDelay;
+ // The value of the animation's current time at the moment it was sent to the
+ // compositor. This value will be used for below cases:
+ // 1) Animations that are play-pending. Initially these animations will have a
+ // null |startTime|. Once the animation is ready to start (i.e. painting
+ // has finished), we calculate an appropriate value of |startTime| such
+ // that playback begins from |holdTime|.
+ // 2) Not playing animations (e.g. paused and finished animations). In this
+ // case the |holdTime| represents the current time the animation will
+ // maintain.
+ TimeDuration holdTime;
+ TimeDuration duration;
+ // For each frame, the interpolation point is computed based on the
+ // startTime, the direction, the duration, and the current time.
+ // The segments must uniquely cover the portion from 0.0 to 1.0
+ AnimationSegment[] segments;
+ // Number of times to repeat the animation, including positive infinity.
+ // Values <= 0 mean the animation will not play (although events are still
+ // dispatched on the main thread).
+ float iterations;
+ float iterationStart;
+ // This uses the NS_STYLE_ANIMATION_DIRECTION_* constants.
+ uint8_t direction;
+ // This uses dom::FillMode.
+ uint8_t fillMode;
+ nsCSSPropertyID property;
+ float playbackRate;
+ // When performing an asynchronous update to the playbackRate, |playbackRate|
+ // above is the updated playbackRate while |previousPlaybackRate| is the
+ // existing playbackRate. This is used by AnimationInfo to update the
+ // startTime based on the 'readyTime' (timestamp at the end of painting)
+ // and is not used beyond that point.
+ //
+ // It is set to numeric_limits<float>::quiet_NaN() when no asynchronous update
+ // to the playbackRate is being performed.
+ float previousPlaybackRate;
+ // This is used in the transformed progress calculation.
+ StyleComputedTimingFunction? easingFunction;
+ uint8_t iterationComposite;
+ // True if the animation has a fixed current time (e.g. paused and
+ // forward-filling animations).
+ bool isNotPlaying;
+ // True if this is not an animating property. For some transform-like
+ // properties, we just send their baseStyles for merging with other animating
+ // properties. In this case, we don't have animation information on this
+ // property, and so don't need to do interpolation.
+ bool isNotAnimating;
+ // The base style that animations should composite with. This is only set for
+ // 1. scroll animations with positive delays, or
+ // 2. animations with a composite mode of additive or accumulate, and only for
+ // the first animation in the set (i.e. the animation that is lowest in the
+ // stack).
+ // In all other cases the value is null_t.
+ Animatable baseStyle;
+ // An optional data specific for transform like properies.
+ TransformData? transformData;
+ // If this is present, the animation is driven by a ScrollTimeline, and
+ // this structure contains information about that timeline.
+ ScrollTimelineOptions? scrollTimelineOptions;
+};
+
+struct CompositorAnimations {
+ Animation[] animations;
+ // This id is used to map the layer animations between content
+ // and compositor side
+ uint64_t id;
+};
+
+struct ShmemSection {
+ Shmem shmem;
+ uint32_t offset;
+ uint32_t size;
+};
+
+struct CrossProcessSemaphoreDescriptor {
+ CrossProcessSemaphoreHandle sem;
+};
+
+union ReadLockDescriptor {
+ ShmemSection;
+ CrossProcessSemaphoreDescriptor;
+ uintptr_t;
+ null_t;
+};
+
+/**
+ * Tells the CompositableHost to remove the corresponding TextureHost
+ */
+struct OpRemoveTexture {
+ PTexture texture;
+};
+
+struct TimedTexture {
+ PTexture texture;
+ TimeStamp timeStamp;
+ IntRect picture;
+ uint32_t frameID;
+ uint32_t producerID;
+ bool readLocked;
+};
+
+/**
+ * Tells the compositor-side which textures to use (for example, as front buffer
+ * if there are several textures for double buffering).
+ * This provides a list of textures with timestamps, ordered by timestamp.
+ * The newest texture whose timestamp is <= the current time is rendered
+ * (where null is considered less than every other timestamp). If there is no
+ * such texture, the first texture is rendered.
+ * The first timestamp value can be null, but the others must not be.
+ * The list must not be empty.
+ */
+struct OpUseTexture {
+ TimedTexture[] textures;
+};
+
+struct OpUseRemoteTexture {
+ RemoteTextureId textureId;
+ RemoteTextureOwnerId ownerId;
+ IntSize size;
+ TextureFlags textureFlags;
+};
+
+struct OpEnableRemoteTexturePushCallback {
+ RemoteTextureOwnerId ownerId;
+ IntSize size;
+ TextureFlags textureFlags;
+};
+
+struct OpNotifyNotUsed {
+ uint64_t TextureId;
+ uint64_t fwdTransactionId;
+};
+
+union CompositableOperationDetail {
+ OpRemoveTexture;
+
+ OpUseTexture;
+
+ OpUseRemoteTexture;
+
+ OpEnableRemoteTexturePushCallback;
+};
+
+struct CompositableOperation {
+ CompositableHandle compositable;
+ CompositableOperationDetail detail;
+};
+
+// Operations related to destroying resources, always handled after the other
+// operations for safety.
+union OpDestroy {
+ PTexture;
+ CompositableHandle;
+};
+
+// Replies to operations
+
+struct OpContentBufferSwap {
+ CompositableHandle compositable;
+ nsIntRegion frontUpdatedRegion;
+};
+
+/**
+ * An ImageCompositeNotification is sent the first time a particular
+ * image is composited by an ImageHost.
+ */
+struct ImageCompositeNotification {
+ CompositableHandle compositable;
+ TimeStamp imageTimeStamp;
+ TimeStamp firstCompositeTimeStamp;
+ uint32_t frameID;
+ uint32_t producerID;
+};
+
+union AsyncParentMessageData {
+ OpNotifyNotUsed;
+};
+
+union OMTAValue {
+ null_t;
+ nscolor;
+ float;
+ Matrix4x4;
+};
+
+} // namespace
+} // namespace