1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/ipc/LayersMessages.ipdlh Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,432 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +include LayersSurfaces;
1.12 +include protocol PCompositable;
1.13 +include protocol PCompositor;
1.14 +include protocol PGrallocBuffer;
1.15 +include protocol PLayer;
1.16 +include protocol PRenderFrame;
1.17 +include protocol PTexture;
1.18 +
1.19 +include "gfxipc/ShadowLayerUtils.h";
1.20 +include "mozilla/GfxMessageUtils.h";
1.21 +include "ImageLayers.h";
1.22 +
1.23 +using mozilla::GraphicsFilterType from "mozilla/GfxMessageUtils.h";
1.24 +using struct gfxRGBA from "gfxColor.h";
1.25 +using struct gfxPoint3D from "gfxPoint3D.h";
1.26 +using class mozilla::gfx::Matrix4x4 from "mozilla/gfx/Matrix.h";
1.27 +using class gfx3DMatrix from "gfx3DMatrix.h";
1.28 +using nscoord from "nsCoord.h";
1.29 +using struct nsIntPoint from "nsPoint.h";
1.30 +using struct nsRect from "nsRect.h";
1.31 +using struct nsPoint from "nsPoint.h";
1.32 +using class mozilla::TimeDuration from "mozilla/TimeStamp.h";
1.33 +using class mozilla::TimeStamp from "mozilla/TimeStamp.h";
1.34 +using mozilla::ScreenRotation from "mozilla/WidgetUtils.h";
1.35 +using nsCSSProperty from "nsCSSProperty.h";
1.36 +using mozilla::dom::ScreenOrientation from "mozilla/dom/ScreenOrientation.h";
1.37 +using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
1.38 +using mozilla::LayerMargin from "Units.h";
1.39 +using mozilla::LayerPoint from "Units.h";
1.40 +using mozilla::LayerRect from "Units.h";
1.41 +using mozilla::layers::ScaleMode from "mozilla/layers/LayersTypes.h";
1.42 +using mozilla::layers::EventRegions from "mozilla/layers/LayersTypes.h";
1.43 +using mozilla::layers::DiagnosticTypes from "mozilla/layers/CompositorTypes.h";
1.44 +using struct mozilla::layers::FrameMetrics from "FrameMetrics.h";
1.45 +using mozilla::layers::FrameMetrics::ViewID from "FrameMetrics.h";
1.46 +using struct mozilla::layers::FenceHandle from "mozilla/layers/FenceUtils.h";
1.47 +
1.48 +namespace mozilla {
1.49 +namespace layers {
1.50 +
1.51 +struct TargetConfig {
1.52 + nsIntRect naturalBounds;
1.53 + ScreenRotation rotation;
1.54 + nsIntRect clientBounds;
1.55 + ScreenOrientation orientation;
1.56 + nsIntRegion clearRegion;
1.57 +};
1.58 +
1.59 +// Create a shadow layer for |layer|
1.60 +struct OpCreateThebesLayer { PLayer layer; };
1.61 +struct OpCreateContainerLayer { PLayer layer; };
1.62 +struct OpCreateImageLayer { PLayer layer; };
1.63 +struct OpCreateColorLayer { PLayer layer; };
1.64 +struct OpCreateCanvasLayer { PLayer layer; };
1.65 +struct OpCreateRefLayer { PLayer layer; };
1.66 +
1.67 +struct OpAttachCompositable {
1.68 + PLayer layer;
1.69 + PCompositable compositable;
1.70 +};
1.71 +
1.72 +struct OpAttachAsyncCompositable {
1.73 + PLayer layer;
1.74 + uint64_t containerID;
1.75 +};
1.76 +
1.77 +struct ThebesBufferData {
1.78 + nsIntRect rect;
1.79 + nsIntPoint rotation;
1.80 +};
1.81 +
1.82 +struct CubicBezierFunction {
1.83 + float x1;
1.84 + float y1;
1.85 + float x2;
1.86 + float y2;
1.87 +};
1.88 +
1.89 +struct StepFunction {
1.90 + int steps;
1.91 + // 1 = nsTimingFunction::StepStart, 2 = nsTimingFunction::StepEnd
1.92 + int type;
1.93 +};
1.94 +
1.95 +union TimingFunction {
1.96 + CubicBezierFunction;
1.97 + StepFunction;
1.98 +};
1.99 +
1.100 +struct LayerColor { gfxRGBA value; };
1.101 +struct Perspective { float value; };
1.102 +struct RotationX { float radians; };
1.103 +struct RotationY { float radians; };
1.104 +struct RotationZ { float radians; };
1.105 +struct Rotation { float radians; };
1.106 +struct Rotation3D {
1.107 + float x;
1.108 + float y;
1.109 + float z;
1.110 + float radians;
1.111 +};
1.112 +struct Scale {
1.113 + float x;
1.114 + float y;
1.115 + float z;
1.116 +};
1.117 +struct Skew { float x; float y; };
1.118 +struct SkewX { float x; };
1.119 +struct SkewY { float y; };
1.120 +struct TransformMatrix { Matrix4x4 value; };
1.121 +struct Translation {
1.122 + float x;
1.123 + float y;
1.124 + float z;
1.125 +};
1.126 +
1.127 +union TransformFunction {
1.128 + Perspective;
1.129 + RotationX;
1.130 + RotationY;
1.131 + RotationZ;
1.132 + Rotation;
1.133 + Rotation3D;
1.134 + Scale;
1.135 + Skew;
1.136 + SkewX;
1.137 + SkewY;
1.138 + Translation;
1.139 + TransformMatrix;
1.140 +};
1.141 +
1.142 +union Animatable {
1.143 + float;
1.144 + TransformFunction[];
1.145 +};
1.146 +
1.147 +struct AnimationSegment {
1.148 + Animatable startState;
1.149 + Animatable endState;
1.150 + float startPortion;
1.151 + float endPortion;
1.152 + TimingFunction sampleFn;
1.153 +};
1.154 +
1.155 +// Transforms need extra information to correctly convert the list of transform
1.156 +// functions to a gfx3DMatrix that can be applied directly to the layer.
1.157 +struct TransformData {
1.158 + // the origin of the frame being transformed in app units
1.159 + nsPoint origin;
1.160 + // the transform-origin property for the transform in css pixels
1.161 + gfxPoint3D transformOrigin;
1.162 + // the perspective-origin property for the transform in css pixels
1.163 + gfxPoint3D perspectiveOrigin;
1.164 + nsRect bounds;
1.165 + nscoord perspective;
1.166 + int32_t appUnitsPerDevPixel;
1.167 +};
1.168 +
1.169 +union AnimationData {
1.170 + null_t;
1.171 + TransformData;
1.172 +};
1.173 +
1.174 +struct Animation {
1.175 + // Unlike in nsAnimationManager, this start time is at the end of the
1.176 + // delay. If the delay is changed dynamically, the layer's data will
1.177 + // be updated.
1.178 + TimeStamp startTime;
1.179 + TimeDuration duration;
1.180 + // For each frame, the interpolation point is computed based on the
1.181 + // startTime, the direction, the duration, and the current time.
1.182 + // The segments must uniquely cover the portion from 0.0 to 1.0
1.183 + AnimationSegment[] segments;
1.184 + // How many times to repeat the animation. -1 means "forever".
1.185 + float numIterations;
1.186 + // This uses the NS_STYLE_ANIMATION_DIRECTION_* constants.
1.187 + int32_t direction;
1.188 + nsCSSProperty property;
1.189 + AnimationData data;
1.190 +};
1.191 +
1.192 +// Change a layer's attributes
1.193 +struct CommonLayerAttributes {
1.194 + nsIntRegion visibleRegion;
1.195 + EventRegions eventRegions;
1.196 + TransformMatrix transform;
1.197 + float postXScale;
1.198 + float postYScale;
1.199 + uint32_t contentFlags;
1.200 + float opacity;
1.201 + bool useClipRect;
1.202 + nsIntRect clipRect;
1.203 + bool isFixedPosition;
1.204 + LayerPoint fixedPositionAnchor;
1.205 + LayerMargin fixedPositionMargin;
1.206 + bool isStickyPosition;
1.207 + uint64_t stickyScrollContainerId;
1.208 + LayerRect stickyScrollRangeOuter;
1.209 + LayerRect stickyScrollRangeInner;
1.210 + uint64_t scrollbarTargetContainerId;
1.211 + uint32_t scrollbarDirection;
1.212 + nullable PLayer maskLayer;
1.213 + // Animated colors will only honored for ColorLayers.
1.214 + Animation[] animations;
1.215 + nsIntRegion invalidRegion;
1.216 +};
1.217 +
1.218 +struct ThebesLayerAttributes {
1.219 + nsIntRegion validRegion;
1.220 +};
1.221 +struct ContainerLayerAttributes {
1.222 + FrameMetrics metrics;
1.223 + ViewID scrollParentId;
1.224 + float preXScale;
1.225 + float preYScale;
1.226 + float inheritedXScale;
1.227 + float inheritedYScale;
1.228 +};
1.229 +struct ColorLayerAttributes { LayerColor color; nsIntRect bounds; };
1.230 +struct CanvasLayerAttributes { GraphicsFilterType filter; nsIntRect bounds; };
1.231 +struct RefLayerAttributes { int64_t id; };
1.232 +struct ImageLayerAttributes { GraphicsFilterType filter; IntSize scaleToSize; ScaleMode scaleMode; };
1.233 +
1.234 +union SpecificLayerAttributes {
1.235 + null_t;
1.236 + ThebesLayerAttributes;
1.237 + ContainerLayerAttributes;
1.238 + ColorLayerAttributes;
1.239 + CanvasLayerAttributes;
1.240 + RefLayerAttributes;
1.241 + ImageLayerAttributes;
1.242 +};
1.243 +
1.244 +struct LayerAttributes {
1.245 + CommonLayerAttributes common;
1.246 + SpecificLayerAttributes specific;
1.247 +};
1.248 +
1.249 +struct OpSetLayerAttributes {
1.250 + PLayer layer;
1.251 + LayerAttributes attrs;
1.252 +};
1.253 +
1.254 +// Monkey with the tree structure
1.255 +struct OpSetRoot { PLayer root; };
1.256 +struct OpInsertAfter { PLayer container; PLayer childLayer; PLayer after; };
1.257 +struct OpPrependChild { PLayer container; PLayer childLayer; };
1.258 +struct OpRemoveChild { PLayer container; PLayer childLayer; };
1.259 +struct OpRepositionChild { PLayer container; PLayer childLayer; PLayer after; };
1.260 +struct OpRaiseToTopChild { PLayer container; PLayer childLayer; };
1.261 +
1.262 +struct OpSetDiagnosticTypes { DiagnosticTypes diagnostics; };
1.263 +
1.264 +struct ShmemSection {
1.265 + Shmem shmem;
1.266 + uint32_t offset;
1.267 + size_t size;
1.268 +};
1.269 +
1.270 +union TileLock {
1.271 + ShmemSection;
1.272 + uintptr_t;
1.273 +};
1.274 +
1.275 +struct TexturedTileDescriptor {
1.276 + PTexture texture;
1.277 + TileLock sharedLock;
1.278 +};
1.279 +
1.280 +struct PlaceholderTileDescriptor {
1.281 +};
1.282 +
1.283 +union TileDescriptor {
1.284 + TexturedTileDescriptor;
1.285 + PlaceholderTileDescriptor;
1.286 +};
1.287 +
1.288 +struct SurfaceDescriptorTiles {
1.289 + nsIntRegion validRegion;
1.290 + nsIntRegion paintedRegion;
1.291 + TileDescriptor[] tiles;
1.292 + int retainedWidth;
1.293 + int retainedHeight;
1.294 + float resolution;
1.295 + float frameResolution;
1.296 +};
1.297 +
1.298 +struct OpUseTiledLayerBuffer {
1.299 + PCompositable compositable;
1.300 + SurfaceDescriptorTiles tileLayerDescriptor;
1.301 +};
1.302 +
1.303 +struct OpCreatedIncrementalTexture {
1.304 + PCompositable compositable;
1.305 + TextureInfo textureInfo;
1.306 + nsIntRect bufferRect;
1.307 +};
1.308 +
1.309 +struct OpPaintTextureRegion {
1.310 + PCompositable compositable;
1.311 + ThebesBufferData bufferData;
1.312 + nsIntRegion updatedRegion;
1.313 +};
1.314 +
1.315 +struct OpPaintTextureIncremental {
1.316 + PCompositable compositable;
1.317 + uint32_t textureId;
1.318 + SurfaceDescriptor image;
1.319 + nsIntRegion updatedRegion;
1.320 + nsIntRect bufferRect;
1.321 + nsIntPoint bufferRotation;
1.322 +};
1.323 +
1.324 +struct OpUpdatePictureRect {
1.325 + PCompositable compositable;
1.326 + nsIntRect picture;
1.327 +};
1.328 +
1.329 +/**
1.330 + * Tells the CompositableHost to remove the corresponding TextureHost
1.331 + */
1.332 +struct OpRemoveTexture {
1.333 + PCompositable compositable;
1.334 + PTexture texture;
1.335 +};
1.336 +
1.337 +/**
1.338 + * Tells the compositor-side which texture to use (for example, as front buffer
1.339 + * if there is several textures for double buffering)
1.340 + */
1.341 +struct OpUseTexture {
1.342 + PCompositable compositable;
1.343 + PTexture texture;
1.344 +};
1.345 +
1.346 +struct OpUseComponentAlphaTextures {
1.347 + PCompositable compositable;
1.348 + PTexture textureOnBlack;
1.349 + PTexture textureOnWhite;
1.350 +};
1.351 +
1.352 +union MaybeRegion {
1.353 + nsIntRegion;
1.354 + null_t;
1.355 +};
1.356 +
1.357 +struct OpUpdateTexture {
1.358 + PCompositable compositable;
1.359 + PTexture texture;
1.360 + MaybeRegion region;
1.361 +};
1.362 +
1.363 +union CompositableOperation {
1.364 + OpUpdatePictureRect;
1.365 +
1.366 + OpCreatedIncrementalTexture;
1.367 +
1.368 + OpPaintTextureRegion;
1.369 + OpPaintTextureIncremental;
1.370 +
1.371 + OpUseTiledLayerBuffer;
1.372 +
1.373 + OpRemoveTexture;
1.374 +
1.375 + OpUpdateTexture;
1.376 + OpUseTexture;
1.377 + OpUseComponentAlphaTextures;
1.378 +};
1.379 +
1.380 +// A unit of a changeset; a set of these comprise a changeset
1.381 +union Edit {
1.382 + OpCreateThebesLayer;
1.383 + OpCreateContainerLayer;
1.384 + OpCreateImageLayer;
1.385 + OpCreateColorLayer;
1.386 + OpCreateCanvasLayer;
1.387 + OpCreateRefLayer;
1.388 +
1.389 + OpSetLayerAttributes;
1.390 + OpSetDiagnosticTypes;
1.391 +
1.392 + OpSetRoot;
1.393 + OpInsertAfter;
1.394 + OpPrependChild;
1.395 + OpRemoveChild;
1.396 + OpRepositionChild;
1.397 + OpRaiseToTopChild;
1.398 +
1.399 + OpAttachCompositable;
1.400 + OpAttachAsyncCompositable;
1.401 +
1.402 + CompositableOperation;
1.403 +};
1.404 +
1.405 +
1.406 +// Replies to operations
1.407 +
1.408 +struct OpContentBufferSwap {
1.409 + PCompositable compositable;
1.410 + nsIntRegion frontUpdatedRegion;
1.411 +};
1.412 +
1.413 +struct OpTextureSwap {
1.414 + PCompositable compositable;
1.415 + uint32_t textureId;
1.416 + SurfaceDescriptor image;
1.417 +};
1.418 +
1.419 +struct ReturnReleaseFence {
1.420 + PCompositable compositable;
1.421 + PTexture texture;
1.422 + FenceHandle fence;
1.423 +};
1.424 +
1.425 +// Unit of a "changeset reply". This is a weird abstraction, probably
1.426 +// only to be used for buffer swapping.
1.427 +union EditReply {
1.428 + OpContentBufferSwap;
1.429 + OpTextureSwap;
1.430 +
1.431 + ReturnReleaseFence;
1.432 +};
1.433 +
1.434 +} // namespace
1.435 +} // namespace
