summaryrefslogtreecommitdiffstats
path: root/gfx/layers/composite/GPUVideoTextureHost.cpp
blob: 69080c984ab508c7919ccdf7c37a039579955db6 (plain)
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
/* -*- 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/. */

#include "GPUVideoTextureHost.h"

#include "ImageContainer.h"
#include "mozilla/RemoteDecoderManagerParent.h"
#include "mozilla/layers/ImageBridgeParent.h"
#include "mozilla/layers/VideoBridgeParent.h"
#include "mozilla/webrender/RenderTextureHostWrapper.h"
#include "mozilla/webrender/RenderThread.h"

namespace mozilla {
namespace layers {

GPUVideoTextureHost::GPUVideoTextureHost(
    const dom::ContentParentId& aContentId, TextureFlags aFlags,
    const SurfaceDescriptorGPUVideo& aDescriptor)
    : TextureHost(TextureHostType::Unknown, aFlags),
      mContentId(aContentId),
      mDescriptor(aDescriptor) {
  MOZ_COUNT_CTOR(GPUVideoTextureHost);
}

GPUVideoTextureHost::~GPUVideoTextureHost() {
  MOZ_COUNT_DTOR(GPUVideoTextureHost);
}

GPUVideoTextureHost* GPUVideoTextureHost::CreateFromDescriptor(
    const dom::ContentParentId& aContentId, TextureFlags aFlags,
    const SurfaceDescriptorGPUVideo& aDescriptor) {
  return new GPUVideoTextureHost(aContentId, aFlags, aDescriptor);
}

TextureHost* GPUVideoTextureHost::EnsureWrappedTextureHost() {
  if (mWrappedTextureHost) {
    return mWrappedTextureHost;
  }

  const auto& sd =
      static_cast<const SurfaceDescriptorRemoteDecoder&>(mDescriptor);
  VideoBridgeParent* parent = VideoBridgeParent::GetSingleton(sd.source());
  if (!parent) {
    // The VideoBridge went away. This can happen if the RDD process
    // crashes.
    return nullptr;
  }

  mWrappedTextureHost = parent->LookupTexture(mContentId, sd.handle());

  if (!mWrappedTextureHost) {
    // The TextureHost hasn't been registered yet. This is due to a race
    // between the ImageBridge (content) and the VideoBridge (RDD) and the
    // ImageBridge won. See bug
    // https://bugzilla.mozilla.org/show_bug.cgi?id=1630733#c14 for more
    // details.
    return nullptr;
  }

  if (mExternalImageId.isSome()) {
    // External image id is allocated by mWrappedTextureHost.
    mWrappedTextureHost->EnsureRenderTexture(Nothing());
    MOZ_ASSERT(mWrappedTextureHost->mExternalImageId.isSome());
    auto wrappedId = mWrappedTextureHost->mExternalImageId.ref();

    RefPtr<wr::RenderTextureHost> texture =
        new wr::RenderTextureHostWrapper(wrappedId);
    wr::RenderThread::Get()->RegisterExternalImage(mExternalImageId.ref(),
                                                   texture.forget());
  }

  return mWrappedTextureHost;
}

bool GPUVideoTextureHost::IsValid() { return !!EnsureWrappedTextureHost(); }

gfx::YUVColorSpace GPUVideoTextureHost::GetYUVColorSpace() const {
  MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
  if (!mWrappedTextureHost) {
    return TextureHost::GetYUVColorSpace();
  }
  return mWrappedTextureHost->GetYUVColorSpace();
}

gfx::ColorDepth GPUVideoTextureHost::GetColorDepth() const {
  MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
  if (!mWrappedTextureHost) {
    return TextureHost::GetColorDepth();
  }
  return mWrappedTextureHost->GetColorDepth();
}

gfx::ColorRange GPUVideoTextureHost::GetColorRange() const {
  MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
  if (!mWrappedTextureHost) {
    return TextureHost::GetColorRange();
  }
  return mWrappedTextureHost->GetColorRange();
}

gfx::IntSize GPUVideoTextureHost::GetSize() const {
  MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
  if (!mWrappedTextureHost) {
    return gfx::IntSize();
  }
  return mWrappedTextureHost->GetSize();
}

gfx::SurfaceFormat GPUVideoTextureHost::GetFormat() const {
  MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
  if (!mWrappedTextureHost) {
    return gfx::SurfaceFormat::UNKNOWN;
  }
  return mWrappedTextureHost->GetFormat();
}

void GPUVideoTextureHost::CreateRenderTexture(
    const wr::ExternalImageId& aExternalImageId) {
  MOZ_ASSERT(mExternalImageId.isSome());

  // When mWrappedTextureHost already exist, call CreateRenderTexture() here.
  // In other cases, EnsureWrappedTextureHost() handles CreateRenderTexture().

  if (mWrappedTextureHost) {
    // External image id is allocated by mWrappedTextureHost.
    mWrappedTextureHost->EnsureRenderTexture(Nothing());
    MOZ_ASSERT(mWrappedTextureHost->mExternalImageId.isSome());
    auto wrappedId = mWrappedTextureHost->mExternalImageId.ref();

    RefPtr<wr::RenderTextureHost> texture =
        new wr::RenderTextureHostWrapper(wrappedId);
    wr::RenderThread::Get()->RegisterExternalImage(mExternalImageId.ref(),
                                                   texture.forget());
    return;
  }

  EnsureWrappedTextureHost();
}

void GPUVideoTextureHost::MaybeDestroyRenderTexture() {
  if (mExternalImageId.isNothing() || !mWrappedTextureHost) {
    // RenderTextureHost was not created
    return;
  }
  // When GPUVideoTextureHost created RenderTextureHost, delete it here.
  TextureHost::DestroyRenderTexture(mExternalImageId.ref());
}

uint32_t GPUVideoTextureHost::NumSubTextures() {
  if (!EnsureWrappedTextureHost()) {
    return 0;
  }
  return EnsureWrappedTextureHost()->NumSubTextures();
}

void GPUVideoTextureHost::PushResourceUpdates(
    wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
    const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
  MOZ_ASSERT(EnsureWrappedTextureHost(), "Image isn't valid yet");
  if (!EnsureWrappedTextureHost()) {
    return;
  }
  EnsureWrappedTextureHost()->PushResourceUpdates(aResources, aOp, aImageKeys,
                                                  aExtID);
}

void GPUVideoTextureHost::PushDisplayItems(
    wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
    const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
    const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
  MOZ_ASSERT(EnsureWrappedTextureHost(), "Image isn't valid yet");
  MOZ_ASSERT(aImageKeys.length() > 0);
  if (!EnsureWrappedTextureHost()) {
    return;
  }

  EnsureWrappedTextureHost()->PushDisplayItems(aBuilder, aBounds, aClip,
                                               aFilter, aImageKeys, aFlags);
}

bool GPUVideoTextureHost::SupportsExternalCompositing(
    WebRenderBackend aBackend) {
  if (!EnsureWrappedTextureHost()) {
    return false;
  }
  return EnsureWrappedTextureHost()->SupportsExternalCompositing(aBackend);
}

void GPUVideoTextureHost::UnbindTextureSource() {
  if (EnsureWrappedTextureHost()) {
    EnsureWrappedTextureHost()->UnbindTextureSource();
  }
  // Handle read unlock
  TextureHost::UnbindTextureSource();
}

void GPUVideoTextureHost::NotifyNotUsed() {
  if (EnsureWrappedTextureHost()) {
    EnsureWrappedTextureHost()->NotifyNotUsed();
  }
  TextureHost::NotifyNotUsed();
}

BufferTextureHost* GPUVideoTextureHost::AsBufferTextureHost() {
  if (EnsureWrappedTextureHost()) {
    return EnsureWrappedTextureHost()->AsBufferTextureHost();
  }
  return nullptr;
}

bool GPUVideoTextureHost::IsWrappingSurfaceTextureHost() {
  if (EnsureWrappedTextureHost()) {
    return EnsureWrappedTextureHost()->IsWrappingSurfaceTextureHost();
  }
  return false;
}

TextureHostType GPUVideoTextureHost::GetTextureHostType() {
  if (!mWrappedTextureHost) {
    return TextureHostType::Unknown;
  }
  return mWrappedTextureHost->GetTextureHostType();
}

bool GPUVideoTextureHost::NeedsDeferredDeletion() const {
  if (!mWrappedTextureHost) {
    return TextureHost::NeedsDeferredDeletion();
  }
  return mWrappedTextureHost->NeedsDeferredDeletion();
}

}  // namespace layers
}  // namespace mozilla