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
|
/* -*- 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 <vector>
#include "Types.h"
#include "gfxImageSurface.h"
#include "gfxPlatform.h"
#include "mozilla/RefPtr.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/layers/BufferTexture.h"
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/layers/TextureClient.h"
#include "mozilla/layers/TextureHost.h"
#ifdef XP_WIN
# include "IMFYCbCrImage.h"
# include "mozilla/gfx/DeviceManagerDx.h"
# include "mozilla/layers/D3D11YCbCrImage.h"
# include "mozilla/layers/TextureD3D11.h"
#endif
namespace mozilla {
namespace layers {
using gfx::BackendType;
using gfx::IntSize;
using gfx::SurfaceFormat;
/**
* Create a YCbCrTextureClient according to the given backend.
*/
static already_AddRefed<TextureClient> CreateYCbCrTextureClientWithBackend(
LayersBackend aLayersBackend) {
TextureData* data = nullptr;
IntSize size = IntSize(200, 150);
IntSize ySize = IntSize(400, 300);
RefPtr<gfxImageSurface> ySurface =
new gfxImageSurface(ySize, SurfaceFormat::A8);
RefPtr<gfxImageSurface> cbSurface =
new gfxImageSurface(size, SurfaceFormat::A8);
RefPtr<gfxImageSurface> crSurface =
new gfxImageSurface(size, SurfaceFormat::A8);
PlanarYCbCrData clientData;
clientData.mYChannel = ySurface->Data();
clientData.mCbChannel = cbSurface->Data();
clientData.mCrChannel = crSurface->Data();
clientData.mPictureRect = IntRect(IntPoint(0, 0), ySurface->GetSize());
clientData.mYStride = ySurface->Stride();
clientData.mCbCrStride = cbSurface->Stride();
clientData.mStereoMode = StereoMode::MONO;
clientData.mChromaSubsampling = ChromaSubsampling::HALF_WIDTH_AND_HEIGHT;
clientData.mYSkip = 0;
clientData.mCbSkip = 0;
clientData.mCrSkip = 0;
clientData.mCrSkip = 0;
// Create YCbCrTexture for basic backend.
if (aLayersBackend == LayersBackend::LAYERS_BASIC) {
return TextureClient::CreateForYCbCr(
nullptr, clientData.mPictureRect, clientData.YDataSize(),
clientData.mYStride, clientData.CbCrDataSize(), clientData.mCbCrStride,
StereoMode::MONO, gfx::ColorDepth::COLOR_8, gfx::YUVColorSpace::BT601,
gfx::ColorRange::LIMITED, clientData.mChromaSubsampling,
TextureFlags::DEALLOCATE_CLIENT);
}
if (data) {
return MakeAndAddRef<TextureClient>(data, TextureFlags::DEALLOCATE_CLIENT,
nullptr);
}
return nullptr;
}
/**
* Create a TextureClient according to the given backend.
*/
static already_AddRefed<TextureClient> CreateTextureClientWithBackend(
LayersBackend aLayersBackend) {
TextureData* data = nullptr;
SurfaceFormat format = gfxPlatform::GetPlatform()->Optimal2DFormatForContent(
gfxContentType::COLOR_ALPHA);
BackendType moz2DBackend =
gfxPlatform::GetPlatform()->GetContentBackendFor(aLayersBackend);
TextureAllocationFlags allocFlags = TextureAllocationFlags::ALLOC_DEFAULT;
IntSize size = IntSize(400, 300);
TextureFlags textureFlags = TextureFlags::DEALLOCATE_CLIENT;
if (!gfx::Factory::AllowedSurfaceSize(size)) {
return nullptr;
}
if (!data && aLayersBackend == LayersBackend::LAYERS_BASIC) {
// Create BufferTextureData.
data = BufferTextureData::Create(size, format, moz2DBackend, aLayersBackend,
textureFlags, allocFlags, nullptr);
}
if (data) {
return MakeAndAddRef<TextureClient>(data, textureFlags, nullptr);
}
return nullptr;
}
/**
* Create a TextureHost according to the given TextureClient.
*/
already_AddRefed<TextureHost> CreateTextureHostWithBackend(
TextureClient* aClient, ISurfaceAllocator* aDeallocator,
LayersBackend& aLayersBackend) {
if (!aClient) {
return nullptr;
}
// client serialization
SurfaceDescriptor descriptor;
ReadLockDescriptor readLock = null_t();
RefPtr<TextureHost> textureHost;
aClient->ToSurfaceDescriptor(descriptor);
wr::MaybeExternalImageId id = Nothing();
return TextureHost::Create(descriptor, readLock, aDeallocator, aLayersBackend,
aClient->GetFlags(), id);
}
} // namespace layers
} // namespace mozilla
|
