gfx/layers/client/ClientCanvasLayer.cpp@129ffea94266 (annotated)
gfx/layers/client/ClientCanvasLayer.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "ClientCanvasLayer.h" |
| michael@0 | 7 | #include "GLContext.h" // for GLContext |
| michael@0 | 8 | #include "GLScreenBuffer.h" // for GLScreenBuffer |
| michael@0 | 9 | #include "GeckoProfiler.h" // for PROFILER_LABEL |
| michael@0 | 10 | #include "SharedSurfaceEGL.h" // for SurfaceFactory_EGLImage |
| michael@0 | 11 | #include "SharedSurfaceGL.h" // for SurfaceFactory_GLTexture, etc |
| michael@0 | 12 | #include "SurfaceStream.h" // for SurfaceStream, etc |
| michael@0 | 13 | #include "SurfaceTypes.h" // for SurfaceStreamType |
| michael@0 | 14 | #include "ClientLayerManager.h" // for ClientLayerManager, etc |
| michael@0 | 15 | #include "mozilla/gfx/Point.h" // for IntSize |
| michael@0 | 16 | #include "mozilla/layers/CompositorTypes.h" |
| michael@0 | 17 | #include "mozilla/layers/LayersTypes.h" |
| michael@0 | 18 | #include "nsCOMPtr.h" // for already_AddRefed |
| michael@0 | 19 | #include "nsISupportsImpl.h" // for Layer::AddRef, etc |
| michael@0 | 20 | #include "nsRect.h" // for nsIntRect |
| michael@0 | 21 | #include "nsXULAppAPI.h" // for XRE_GetProcessType, etc |
| michael@0 | 22 | #ifdef MOZ_WIDGET_GONK |
| michael@0 | 23 | #include "SharedSurfaceGralloc.h" |
| michael@0 | 24 | #endif |
| michael@0 | 25 | #ifdef XP_MACOSX |
| michael@0 | 26 | #include "SharedSurfaceIO.h" |
| michael@0 | 27 | #endif |
| michael@0 | 28 | #include "gfxPrefs.h" // for WebGLForceLayersReadback |
| michael@0 | 29 | |
| michael@0 | 30 | using namespace mozilla::gfx; |
| michael@0 | 31 | using namespace mozilla::gl; |
| michael@0 | 32 | |
| michael@0 | 33 | namespace mozilla { |
| michael@0 | 34 | namespace layers { |
| michael@0 | 35 | |
| michael@0 | 36 | ClientCanvasLayer::~ClientCanvasLayer() |
| michael@0 | 37 | { |
| michael@0 | 38 | MOZ_COUNT_DTOR(ClientCanvasLayer); |
| michael@0 | 39 | if (mCanvasClient) { |
| michael@0 | 40 | mCanvasClient->OnDetach(); |
| michael@0 | 41 | mCanvasClient = nullptr; |
| michael@0 | 42 | } |
| michael@0 | 43 | if (mTextureSurface) { |
| michael@0 | 44 | delete mTextureSurface; |
| michael@0 | 45 | } |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | void |
| michael@0 | 49 | ClientCanvasLayer::Initialize(const Data& aData) |
| michael@0 | 50 | { |
| michael@0 | 51 | CopyableCanvasLayer::Initialize(aData); |
| michael@0 | 52 | |
| michael@0 | 53 | mCanvasClient = nullptr; |
| michael@0 | 54 | |
| michael@0 | 55 | if (mGLContext) { |
| michael@0 | 56 | GLScreenBuffer* screen = mGLContext->Screen(); |
| michael@0 | 57 | |
| michael@0 | 58 | SurfaceCaps caps = screen->Caps(); |
| michael@0 | 59 | if (mStream) { |
| michael@0 | 60 | // The screen caps are irrelevant if we're using a separate stream |
| michael@0 | 61 | caps = GetContentFlags() & CONTENT_OPAQUE ? SurfaceCaps::ForRGB() : SurfaceCaps::ForRGBA(); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | SurfaceStreamType streamType = |
| michael@0 | 65 | SurfaceStream::ChooseGLStreamType(SurfaceStream::OffMainThread, |
| michael@0 | 66 | screen->PreserveBuffer()); |
| michael@0 | 67 | SurfaceFactory_GL* factory = nullptr; |
| michael@0 | 68 | if (!gfxPrefs::WebGLForceLayersReadback()) { |
| michael@0 | 69 | if (ClientManager()->AsShadowForwarder()->GetCompositorBackendType() == mozilla::layers::LayersBackend::LAYERS_OPENGL) { |
| michael@0 | 70 | if (mGLContext->GetContextType() == GLContextType::EGL) { |
| michael@0 | 71 | bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default); |
| michael@0 | 72 | |
| michael@0 | 73 | if (!isCrossProcess) { |
| michael@0 | 74 | // [Basic/OGL Layers, OMTC] WebGL layer init. |
| michael@0 | 75 | factory = SurfaceFactory_EGLImage::Create(mGLContext, caps); |
| michael@0 | 76 | } else { |
| michael@0 | 77 | // [Basic/OGL Layers, OOPC] WebGL layer init. (Out Of Process Compositing) |
| michael@0 | 78 | #ifdef MOZ_WIDGET_GONK |
| michael@0 | 79 | factory = new SurfaceFactory_Gralloc(mGLContext, caps, ClientManager()->AsShadowForwarder()); |
| michael@0 | 80 | #else |
| michael@0 | 81 | // we could do readback here maybe |
| michael@0 | 82 | NS_NOTREACHED("isCrossProcess but not on native B2G!"); |
| michael@0 | 83 | #endif |
| michael@0 | 84 | } |
| michael@0 | 85 | } else { |
| michael@0 | 86 | // [Basic Layers, OMTC] WebGL layer init. |
| michael@0 | 87 | // Well, this *should* work... |
| michael@0 | 88 | #ifdef XP_MACOSX |
| michael@0 | 89 | factory = new SurfaceFactory_IOSurface(mGLContext, caps); |
| michael@0 | 90 | #else |
| michael@0 | 91 | factory = new SurfaceFactory_GLTexture(mGLContext, nullptr, caps); |
| michael@0 | 92 | #endif |
| michael@0 | 93 | } |
| michael@0 | 94 | } |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | if (mStream) { |
| michael@0 | 98 | // We're using a stream other than the one in the default screen |
| michael@0 | 99 | mFactory = factory; |
| michael@0 | 100 | if (!mFactory) { |
| michael@0 | 101 | // Absolutely must have a factory here, so create a basic one |
| michael@0 | 102 | mFactory = new SurfaceFactory_Basic(mGLContext, caps); |
| michael@0 | 103 | } |
| michael@0 | 104 | |
| michael@0 | 105 | gfx::IntSize size = gfx::IntSize(aData.mSize.width, aData.mSize.height); |
| michael@0 | 106 | mTextureSurface = SharedSurface_GLTexture::Create(mGLContext, mGLContext, |
| michael@0 | 107 | mGLContext->GetGLFormats(), |
| michael@0 | 108 | size, caps.alpha, aData.mTexID); |
| michael@0 | 109 | SharedSurface* producer = mStream->SwapProducer(mFactory, size); |
| michael@0 | 110 | if (!producer) { |
| michael@0 | 111 | // Fallback to basic factory |
| michael@0 | 112 | delete mFactory; |
| michael@0 | 113 | mFactory = new SurfaceFactory_Basic(mGLContext, caps); |
| michael@0 | 114 | producer = mStream->SwapProducer(mFactory, size); |
| michael@0 | 115 | MOZ_ASSERT(producer, "Failed to create initial canvas surface with basic factory"); |
| michael@0 | 116 | } |
| michael@0 | 117 | } else if (factory) { |
| michael@0 | 118 | screen->Morph(factory, streamType); |
| michael@0 | 119 | } |
| michael@0 | 120 | } |
| michael@0 | 121 | } |
| michael@0 | 122 | |
| michael@0 | 123 | void |
| michael@0 | 124 | ClientCanvasLayer::RenderLayer() |
| michael@0 | 125 | { |
| michael@0 | 126 | PROFILER_LABEL("ClientCanvasLayer", "Paint"); |
| michael@0 | 127 | if (!IsDirty()) { |
| michael@0 | 128 | return; |
| michael@0 | 129 | } |
| michael@0 | 130 | |
| michael@0 | 131 | if (GetMaskLayer()) { |
| michael@0 | 132 | ToClientLayer(GetMaskLayer())->RenderLayer(); |
| michael@0 | 133 | } |
| michael@0 | 134 | |
| michael@0 | 135 | if (!mCanvasClient) { |
| michael@0 | 136 | TextureFlags flags = TEXTURE_IMMEDIATE_UPLOAD; |
| michael@0 | 137 | if (mNeedsYFlip) { |
| michael@0 | 138 | flags |= TEXTURE_NEEDS_Y_FLIP; |
| michael@0 | 139 | } |
| michael@0 | 140 | |
| michael@0 | 141 | if (!mGLContext) { |
| michael@0 | 142 | // We don't support locking for buffer surfaces currently |
| michael@0 | 143 | flags |= TEXTURE_IMMEDIATE_UPLOAD; |
| michael@0 | 144 | } else { |
| michael@0 | 145 | // GLContext's SurfaceStream handles ownership itself, |
| michael@0 | 146 | // and doesn't require layers to do any deallocation. |
| michael@0 | 147 | flags |= TEXTURE_DEALLOCATE_CLIENT; |
| michael@0 | 148 | } |
| michael@0 | 149 | mCanvasClient = CanvasClient::CreateCanvasClient(GetCanvasClientType(), |
| michael@0 | 150 | ClientManager()->AsShadowForwarder(), flags); |
| michael@0 | 151 | if (!mCanvasClient) { |
| michael@0 | 152 | return; |
| michael@0 | 153 | } |
| michael@0 | 154 | if (HasShadow()) { |
| michael@0 | 155 | mCanvasClient->Connect(); |
| michael@0 | 156 | ClientManager()->AsShadowForwarder()->Attach(mCanvasClient, this); |
| michael@0 | 157 | } |
| michael@0 | 158 | } |
| michael@0 | 159 | |
| michael@0 | 160 | FirePreTransactionCallback(); |
| michael@0 | 161 | mCanvasClient->Update(gfx::IntSize(mBounds.width, mBounds.height), this); |
| michael@0 | 162 | |
| michael@0 | 163 | FireDidTransactionCallback(); |
| michael@0 | 164 | |
| michael@0 | 165 | ClientManager()->Hold(this); |
| michael@0 | 166 | mCanvasClient->Updated(); |
| michael@0 | 167 | mCanvasClient->OnTransaction(); |
| michael@0 | 168 | } |
| michael@0 | 169 | |
| michael@0 | 170 | already_AddRefed<CanvasLayer> |
| michael@0 | 171 | ClientLayerManager::CreateCanvasLayer() |
| michael@0 | 172 | { |
| michael@0 | 173 | NS_ASSERTION(InConstruction(), "Only allowed in construction phase"); |
| michael@0 | 174 | nsRefPtr<ClientCanvasLayer> layer = |
| michael@0 | 175 | new ClientCanvasLayer(this); |
| michael@0 | 176 | CREATE_SHADOW(Canvas); |
| michael@0 | 177 | return layer.forget(); |
| michael@0 | 178 | } |
| michael@0 | 179 | |
| michael@0 | 180 | } |
| michael@0 | 181 | } |
