gfx/layers/client/ClientThebesLayer.cpp@b8a032363ba2 (annotated)
gfx/layers/client/ClientThebesLayer.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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 "ClientThebesLayer.h" |
| michael@0 | 7 | #include "ClientTiledThebesLayer.h" // for ClientTiledThebesLayer |
| michael@0 | 8 | #include "SimpleTiledContentClient.h" |
| michael@0 | 9 | #include <stdint.h> // for uint32_t |
| michael@0 | 10 | #include "GeckoProfiler.h" // for PROFILER_LABEL |
| michael@0 | 11 | #include "client/ClientLayerManager.h" // for ClientLayerManager, etc |
| michael@0 | 12 | #include "gfxContext.h" // for gfxContext |
| michael@0 | 13 | #include "gfxRect.h" // for gfxRect |
| michael@0 | 14 | #include "gfxPrefs.h" // for gfxPrefs |
| michael@0 | 15 | #include "mozilla/Assertions.h" // for MOZ_ASSERT, etc |
| michael@0 | 16 | #include "mozilla/gfx/2D.h" // for DrawTarget |
| michael@0 | 17 | #include "mozilla/gfx/Matrix.h" // for Matrix |
| michael@0 | 18 | #include "mozilla/gfx/Rect.h" // for Rect, IntRect |
| michael@0 | 19 | #include "mozilla/gfx/Types.h" // for Float, etc |
| michael@0 | 20 | #include "mozilla/layers/LayersTypes.h" |
| michael@0 | 21 | #include "mozilla/Preferences.h" |
| michael@0 | 22 | #include "nsAutoPtr.h" // for nsRefPtr |
| michael@0 | 23 | #include "nsCOMPtr.h" // for already_AddRefed |
| michael@0 | 24 | #include "nsISupportsImpl.h" // for Layer::AddRef, etc |
| michael@0 | 25 | #include "nsRect.h" // for nsIntRect |
| michael@0 | 26 | #include "gfx2DGlue.h" |
| michael@0 | 27 | |
| michael@0 | 28 | using namespace mozilla::gfx; |
| michael@0 | 29 | |
| michael@0 | 30 | namespace mozilla { |
| michael@0 | 31 | namespace layers { |
| michael@0 | 32 | |
| michael@0 | 33 | void |
| michael@0 | 34 | ClientThebesLayer::PaintThebes() |
| michael@0 | 35 | { |
| michael@0 | 36 | PROFILER_LABEL("ClientThebesLayer", "PaintThebes"); |
| michael@0 | 37 | NS_ASSERTION(ClientManager()->InDrawing(), |
| michael@0 | 38 | "Can only draw in drawing phase"); |
| michael@0 | 39 | |
| michael@0 | 40 | uint32_t flags = RotatedContentBuffer::PAINT_CAN_DRAW_ROTATED; |
| michael@0 | 41 | #ifndef MOZ_WIDGET_ANDROID |
| michael@0 | 42 | if (ClientManager()->CompositorMightResample()) { |
| michael@0 | 43 | flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE; |
| michael@0 | 44 | } |
| michael@0 | 45 | if (!(flags & RotatedContentBuffer::PAINT_WILL_RESAMPLE)) { |
| michael@0 | 46 | if (MayResample()) { |
| michael@0 | 47 | flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE; |
| michael@0 | 48 | } |
| michael@0 | 49 | } |
| michael@0 | 50 | #endif |
| michael@0 | 51 | PaintState state = |
| michael@0 | 52 | mContentClient->BeginPaintBuffer(this, flags); |
| michael@0 | 53 | mValidRegion.Sub(mValidRegion, state.mRegionToInvalidate); |
| michael@0 | 54 | |
| michael@0 | 55 | if (!state.mRegionToDraw.IsEmpty() && !ClientManager()->GetThebesLayerCallback()) { |
| michael@0 | 56 | ClientManager()->SetTransactionIncomplete(); |
| michael@0 | 57 | return; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | // The area that became invalid and is visible needs to be repainted |
| michael@0 | 61 | // (this could be the whole visible area if our buffer switched |
| michael@0 | 62 | // from RGB to RGBA, because we might need to repaint with |
| michael@0 | 63 | // subpixel AA) |
| michael@0 | 64 | state.mRegionToInvalidate.And(state.mRegionToInvalidate, |
| michael@0 | 65 | GetEffectiveVisibleRegion()); |
| michael@0 | 66 | |
| michael@0 | 67 | bool didUpdate = false; |
| michael@0 | 68 | RotatedContentBuffer::DrawIterator iter; |
| michael@0 | 69 | while (DrawTarget* target = mContentClient->BorrowDrawTargetForPainting(state, &iter)) { |
| michael@0 | 70 | SetAntialiasingFlags(this, target); |
| michael@0 | 71 | |
| michael@0 | 72 | nsRefPtr<gfxContext> ctx = gfxContext::ContextForDrawTarget(target); |
| michael@0 | 73 | |
| michael@0 | 74 | ClientManager()->GetThebesLayerCallback()(this, |
| michael@0 | 75 | ctx, |
| michael@0 | 76 | iter.mDrawRegion, |
| michael@0 | 77 | state.mClip, |
| michael@0 | 78 | state.mRegionToInvalidate, |
| michael@0 | 79 | ClientManager()->GetThebesLayerCallbackData()); |
| michael@0 | 80 | |
| michael@0 | 81 | ctx = nullptr; |
| michael@0 | 82 | mContentClient->ReturnDrawTargetToBuffer(target); |
| michael@0 | 83 | didUpdate = true; |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | if (didUpdate) { |
| michael@0 | 87 | Mutated(); |
| michael@0 | 88 | |
| michael@0 | 89 | mValidRegion.Or(mValidRegion, state.mRegionToDraw); |
| michael@0 | 90 | |
| michael@0 | 91 | ContentClientRemote* contentClientRemote = static_cast<ContentClientRemote*>(mContentClient.get()); |
| michael@0 | 92 | MOZ_ASSERT(contentClientRemote->GetIPDLActor()); |
| michael@0 | 93 | |
| michael@0 | 94 | // Hold(this) ensures this layer is kept alive through the current transaction |
| michael@0 | 95 | // The ContentClient assumes this layer is kept alive (e.g., in CreateBuffer), |
| michael@0 | 96 | // so deleting this Hold for whatever reason will break things. |
| michael@0 | 97 | ClientManager()->Hold(this); |
| michael@0 | 98 | contentClientRemote->Updated(state.mRegionToDraw, |
| michael@0 | 99 | mVisibleRegion, |
| michael@0 | 100 | state.mDidSelfCopy); |
| michael@0 | 101 | } |
| michael@0 | 102 | } |
| michael@0 | 103 | |
| michael@0 | 104 | void |
| michael@0 | 105 | ClientThebesLayer::RenderLayer() |
| michael@0 | 106 | { |
| michael@0 | 107 | if (GetMaskLayer()) { |
| michael@0 | 108 | ToClientLayer(GetMaskLayer())->RenderLayer(); |
| michael@0 | 109 | } |
| michael@0 | 110 | |
| michael@0 | 111 | if (!mContentClient) { |
| michael@0 | 112 | mContentClient = ContentClient::CreateContentClient(ClientManager()->AsShadowForwarder()); |
| michael@0 | 113 | if (!mContentClient) { |
| michael@0 | 114 | return; |
| michael@0 | 115 | } |
| michael@0 | 116 | mContentClient->Connect(); |
| michael@0 | 117 | ClientManager()->AsShadowForwarder()->Attach(mContentClient, this); |
| michael@0 | 118 | MOZ_ASSERT(mContentClient->GetForwarder()); |
| michael@0 | 119 | } |
| michael@0 | 120 | |
| michael@0 | 121 | mContentClient->BeginPaint(); |
| michael@0 | 122 | PaintThebes(); |
| michael@0 | 123 | mContentClient->EndPaint(); |
| michael@0 | 124 | } |
| michael@0 | 125 | |
| michael@0 | 126 | already_AddRefed<ThebesLayer> |
| michael@0 | 127 | ClientLayerManager::CreateThebesLayer() |
| michael@0 | 128 | { |
| michael@0 | 129 | return CreateThebesLayerWithHint(NONE); |
| michael@0 | 130 | } |
| michael@0 | 131 | |
| michael@0 | 132 | already_AddRefed<ThebesLayer> |
| michael@0 | 133 | ClientLayerManager::CreateThebesLayerWithHint(ThebesLayerCreationHint aHint) |
| michael@0 | 134 | { |
| michael@0 | 135 | NS_ASSERTION(InConstruction(), "Only allowed in construction phase"); |
| michael@0 | 136 | if ( |
| michael@0 | 137 | #ifdef MOZ_B2G |
| michael@0 | 138 | aHint == SCROLLABLE && |
| michael@0 | 139 | #endif |
| michael@0 | 140 | gfxPrefs::LayersTilesEnabled() && |
| michael@0 | 141 | (AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_OPENGL || |
| michael@0 | 142 | AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_D3D9 || |
| michael@0 | 143 | AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_D3D11)) { |
| michael@0 | 144 | if (gfxPrefs::LayersUseSimpleTiles()) { |
| michael@0 | 145 | nsRefPtr<SimpleClientTiledThebesLayer> layer = |
| michael@0 | 146 | new SimpleClientTiledThebesLayer(this); |
| michael@0 | 147 | CREATE_SHADOW(Thebes); |
| michael@0 | 148 | return layer.forget(); |
| michael@0 | 149 | } else { |
| michael@0 | 150 | nsRefPtr<ClientTiledThebesLayer> layer = |
| michael@0 | 151 | new ClientTiledThebesLayer(this); |
| michael@0 | 152 | CREATE_SHADOW(Thebes); |
| michael@0 | 153 | return layer.forget(); |
| michael@0 | 154 | } |
| michael@0 | 155 | } else |
| michael@0 | 156 | { |
| michael@0 | 157 | nsRefPtr<ClientThebesLayer> layer = |
| michael@0 | 158 | new ClientThebesLayer(this); |
| michael@0 | 159 | CREATE_SHADOW(Thebes); |
| michael@0 | 160 | return layer.forget(); |
| michael@0 | 161 | } |
| michael@0 | 162 | } |
| michael@0 | 163 | |
| michael@0 | 164 | |
| michael@0 | 165 | } |
| michael@0 | 166 | } |
