1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 GFX_WEBRENDERCOMMANDBUILDER_H
#define GFX_WEBRENDERCOMMANDBUILDER_H
#include "mozilla/webrender/WebRenderAPI.h"
#include "mozilla/layers/ClipManager.h"
#include "mozilla/layers/HitTestInfoManager.h"
#include "mozilla/layers/WebRenderMessages.h"
#include "mozilla/layers/WebRenderScrollData.h"
#include "mozilla/layers/WebRenderUserData.h"
#include "mozilla/SVGIntegrationUtils.h" // for WrFiltersHolder
#include "nsDisplayList.h"
#include "nsIFrame.h"
#include "nsTHashSet.h"
#include "DisplayItemCache.h"
#include "ImgDrawResult.h"
namespace mozilla {
namespace image {
class WebRenderImageProvider;
}
namespace layers {
class ImageClient;
class ImageContainer;
class WebRenderBridgeChild;
class WebRenderCanvasData;
class WebRenderCanvasRendererAsync;
class WebRenderImageData;
class WebRenderFallbackData;
class WebRenderParentCommand;
class WebRenderUserData;
class WebRenderCommandBuilder final {
typedef nsTHashSet<RefPtr<WebRenderUserData>> WebRenderUserDataRefTable;
typedef nsTHashSet<RefPtr<WebRenderCanvasData>> CanvasDataSet;
public:
explicit WebRenderCommandBuilder(WebRenderLayerManager* aManager);
void Destroy();
void EmptyTransaction();
bool NeedsEmptyTransaction();
void BuildWebRenderCommands(wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResourceUpdates,
nsDisplayList* aDisplayList,
nsDisplayListBuilder* aDisplayListBuilder,
WebRenderScrollData& aScrollData,
WrFiltersHolder&& aFilters);
void PushOverrideForASR(const ActiveScrolledRoot* aASR,
const wr::WrSpatialId& aSpatialId);
void PopOverrideForASR(const ActiveScrolledRoot* aASR);
Maybe<wr::ImageKey> CreateImageKey(
nsDisplayItem* aItem, ImageContainer* aContainer,
mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
mozilla::wr::ImageRendering aRendering, const StackingContextHelper& aSc,
gfx::IntSize& aSize, const Maybe<LayoutDeviceRect>& aAsyncImageBounds);
Maybe<wr::ImageKey> CreateImageProviderKey(
nsDisplayItem* aItem, image::WebRenderImageProvider* aProvider,
image::ImgDrawResult aDrawResult,
mozilla::wr::IpcResourceUpdateQueue& aResources);
WebRenderUserDataRefTable* GetWebRenderUserDataTable() {
return &mWebRenderUserDatas;
}
bool PushImage(nsDisplayItem* aItem, ImageContainer* aContainer,
mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const StackingContextHelper& aSc,
const LayoutDeviceRect& aRect, const LayoutDeviceRect& aClip);
bool PushImageProvider(nsDisplayItem* aItem,
image::WebRenderImageProvider* aProvider,
image::ImgDrawResult aDrawResult,
mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const LayoutDeviceRect& aRect,
const LayoutDeviceRect& aClip);
Maybe<wr::ImageMask> BuildWrMaskImage(
nsDisplayMasksAndClipPaths* aMaskItem, wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources, const StackingContextHelper& aSc,
nsDisplayListBuilder* aDisplayListBuilder,
const LayoutDeviceRect& aBounds);
bool PushItemAsImage(nsDisplayItem* aItem, wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources,
const StackingContextHelper& aSc,
nsDisplayListBuilder* aDisplayListBuilder);
void CreateWebRenderCommandsFromDisplayList(
nsDisplayList* aDisplayList, nsDisplayItem* aWrappingItem,
nsDisplayListBuilder* aDisplayListBuilder,
const StackingContextHelper& aSc, wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources, bool aNewClipList = true);
// aWrappingItem has to be non-null.
void DoGroupingForDisplayList(nsDisplayList* aDisplayList,
nsDisplayItem* aWrappingItem,
nsDisplayListBuilder* aDisplayListBuilder,
const StackingContextHelper& aSc,
wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources);
already_AddRefed<WebRenderFallbackData> GenerateFallbackData(
nsDisplayItem* aItem, wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources, const StackingContextHelper& aSc,
nsDisplayListBuilder* aDisplayListBuilder, LayoutDeviceRect& aImageRect);
void RemoveUnusedAndResetWebRenderUserData();
void ClearCachedResources();
bool ShouldDumpDisplayList(nsDisplayListBuilder* aBuilder);
wr::usize GetBuilderDumpIndex() const { return mBuilderDumpIndex; }
bool GetContainsSVGGroup() { return mContainsSVGGroup; }
// Those are data that we kept between transactions. We used to cache some
// data in the layer. But in layers free mode, we don't have layer which
// means we need some other place to cached the data between transaction.
// We store the data in frame's property.
template <class T>
already_AddRefed<T> CreateOrRecycleWebRenderUserData(
nsDisplayItem* aItem, bool* aOutIsRecycled = nullptr) {
MOZ_ASSERT(aItem);
nsIFrame* frame = aItem->Frame();
if (aOutIsRecycled) {
*aOutIsRecycled = true;
}
WebRenderUserDataTable* userDataTable =
frame->GetProperty(WebRenderUserDataProperty::Key());
if (!userDataTable) {
userDataTable = new WebRenderUserDataTable();
frame->AddProperty(WebRenderUserDataProperty::Key(), userDataTable);
}
RefPtr<WebRenderUserData>& data = userDataTable->LookupOrInsertWith(
WebRenderUserDataKey(aItem->GetPerFrameKey(), T::Type()), [&] {
auto data = MakeRefPtr<T>(GetRenderRootStateManager(), aItem);
mWebRenderUserDatas.Insert(data);
if (aOutIsRecycled) {
*aOutIsRecycled = false;
}
return data;
});
MOZ_ASSERT(data);
MOZ_ASSERT(data->GetType() == T::Type());
// Mark the data as being used. We will remove unused user data in the end
// of EndTransaction.
data->SetUsed(true);
switch (T::Type()) {
case WebRenderUserData::UserDataType::eCanvas:
mLastCanvasDatas.Insert(data->AsCanvasData());
break;
default:
break;
}
RefPtr<T> res = static_cast<T*>(data.get());
return res.forget();
}
WebRenderLayerManager* mManager;
private:
RenderRootStateManager* GetRenderRootStateManager();
void CreateWebRenderCommands(nsDisplayItem* aItem,
mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const StackingContextHelper& aSc,
nsDisplayListBuilder* aDisplayListBuilder);
bool ComputeInvalidationForDisplayItem(nsDisplayListBuilder* aBuilder,
const nsPoint& aShift,
nsDisplayItem* aItem);
bool ComputeInvalidationForDisplayList(nsDisplayListBuilder* aBuilder,
const nsPoint& aShift,
nsDisplayList* aList);
ClipManager mClipManager;
HitTestInfoManager mHitTestInfoManager;
// We use this as a temporary data structure while building the mScrollData
// inside a layers-free transaction.
std::vector<WebRenderLayerScrollData> mLayerScrollData;
// We use this as a temporary data structure to track the current display
// item's ASR as we recurse in CreateWebRenderCommandsFromDisplayList. We
// need this so that WebRenderLayerScrollData items that deeper in the
// tree don't duplicate scroll metadata that their ancestors already have.
std::vector<const ActiveScrolledRoot*> mAsrStack;
// A similar stack to track the deferred transform that we decided to emit
// most recently.
std::vector<nsDisplayTransform*> mDeferredTransformStack;
const ActiveScrolledRoot* mLastAsr;
WebRenderUserDataRefTable mWebRenderUserDatas;
// Store of WebRenderCanvasData objects for use in empty transactions
CanvasDataSet mLastCanvasDatas;
wr::usize mBuilderDumpIndex;
wr::usize mDumpIndent;
public:
// Whether consecutive inactive display items should be grouped into one
// blob image.
bool mDoGrouping;
// True if the most recently build display list contained an svg that
// we did grouping for.
bool mContainsSVGGroup;
};
} // namespace layers
} // namespace mozilla
#endif /* GFX_WEBRENDERCOMMANDBUILDER_H */
|
