Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 337 insertions, 0 deletions

diff --git a/gfx/layers/ipc/CompositableTransactionParent.cpp b/gfx/layers/ipc/CompositableTransactionParent.cpp
new file mode 100644
index 0000000000..5ca2453c54
--- /dev/null
+++ b/gfx/layers/ipc/CompositableTransactionParent.cpp
@@ -0,0 +1,337 @@
+/* -*- 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 "CompositableTransactionParent.h"
+#include "CompositableHost.h"        // for CompositableParent, etc
+#include "CompositorBridgeParent.h"  // for CompositorBridgeParent
+#include "GLContext.h"               // for GLContext
+#include "Layers.h"                  // for Layer
+#include "RenderTrace.h"             // for RenderTraceInvalidateEnd, etc
+#include "mozilla/Assertions.h"      // for MOZ_ASSERT, etc
+#include "mozilla/RefPtr.h"          // for RefPtr
+#include "mozilla/layers/CompositorTypes.h"
+#include "mozilla/layers/ContentHost.h"        // for ContentHostBase
+#include "mozilla/layers/ImageBridgeParent.h"  // for ImageBridgeParent
+#include "mozilla/layers/LayerManagerComposite.h"
+#include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor
+#include "mozilla/layers/LayersTypes.h"     // for MOZ_LAYERS_LOG
+#include "mozilla/layers/TextureHost.h"     // for TextureHost
+#include "mozilla/layers/TextureHostOGL.h"  // for TextureHostOGL
+#include "mozilla/layers/TiledContentHost.h"
+#include "mozilla/layers/PaintedLayerComposite.h"
+#include "mozilla/mozalloc.h"  // for operator delete
+#include "mozilla/Unused.h"
+#include "nsDebug.h"   // for NS_WARNING, NS_ASSERTION
+#include "nsRegion.h"  // for nsIntRegion
+
+#ifdef MOZ_WIDGET_ANDROID
+#  include "mozilla/layers/AndroidHardwareBuffer.h"
+#endif
+
+namespace mozilla {
+namespace layers {
+
+class ClientTiledLayerBuffer;
+class Compositor;
+
+// This function can in some cases fail and return false without it being a bug.
+// This can theoretically happen if the ImageBridge sends frames before
+// we created the layer tree. Since we can't enforce that the layer
+// tree is already created before ImageBridge operates, there isn't much
+// we can do about it, but in practice it is very rare.
+// Typically when a tab with a video is dragged from a window to another,
+// there can be a short time when the video is still sending frames
+// asynchonously while the layer tree is not reconstructed. It's not a
+// big deal.
+// Note that Layers transactions do not need to call this because they always
+// schedule the composition, in LayerManagerComposite::EndTransaction.
+static bool ScheduleComposition(CompositableHost* aCompositable) {
+  uint64_t id = aCompositable->GetCompositorBridgeID();
+  if (!id) {
+    return false;
+  }
+  CompositorBridgeParent* cp =
+      CompositorBridgeParent::GetCompositorBridgeParent(id);
+  if (!cp) {
+    return false;
+  }
+  cp->ScheduleComposition();
+  return true;
+}
+
+bool CompositableParentManager::ReceiveCompositableUpdate(
+    const CompositableOperation& aEdit) {
+  // Ignore all operations on compositables created on stale compositors. We
+  // return true because the child is unable to handle errors.
+  RefPtr<CompositableHost> compositable =
+      FindCompositable(aEdit.compositable());
+  if (!compositable) {
+    return false;
+  }
+  return ReceiveCompositableUpdate(aEdit.detail(), WrapNotNull(compositable));
+}
+
+bool CompositableParentManager::ReceiveCompositableUpdate(
+    const CompositableOperationDetail& aDetail,
+    NotNull<CompositableHost*> aCompositable) {
+  if (TextureSourceProvider* provider =
+          aCompositable->GetTextureSourceProvider()) {
+    if (!provider->IsValid()) {
+      return false;
+    }
+  }
+
+  switch (aDetail.type()) {
+    case CompositableOperationDetail::TOpPaintTextureRegion: {
+      MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer"));
+
+      const OpPaintTextureRegion& op = aDetail.get_OpPaintTextureRegion();
+      Layer* layer = aCompositable->GetLayer();
+      if (!layer || layer->GetType() != Layer::TYPE_PAINTED) {
+        return false;
+      }
+      PaintedLayerComposite* thebes =
+          static_cast<PaintedLayerComposite*>(layer);
+
+      const ThebesBufferData& bufferData = op.bufferData();
+
+      RenderTraceInvalidateStart(thebes, "FF00FF",
+                                 op.updatedRegion().GetBounds());
+
+      if (!aCompositable->UpdateThebes(bufferData, op.updatedRegion(),
+                                       thebes->GetValidRegion())) {
+        return false;
+      }
+
+      RenderTraceInvalidateEnd(thebes, "FF00FF");
+      break;
+    }
+    case CompositableOperationDetail::TOpUseTiledLayerBuffer: {
+      MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
+      const OpUseTiledLayerBuffer& op = aDetail.get_OpUseTiledLayerBuffer();
+      TiledContentHost* tiledHost = aCompositable->AsTiledContentHost();
+
+      NS_ASSERTION(tiledHost, "The compositable is not tiled");
+
+      const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
+
+      bool success = tiledHost->UseTiledLayerBuffer(this, tileDesc);
+
+      const nsTArray<TileDescriptor>& tileDescriptors = tileDesc.tiles();
+      for (size_t i = 0; i < tileDescriptors.Length(); i++) {
+        const TileDescriptor& tileDesc = tileDescriptors[i];
+        if (tileDesc.type() != TileDescriptor::TTexturedTileDescriptor) {
+          continue;
+        }
+        const TexturedTileDescriptor& texturedDesc =
+            tileDesc.get_TexturedTileDescriptor();
+        RefPtr<TextureHost> texture =
+            TextureHost::AsTextureHost(texturedDesc.textureParent());
+        if (texture) {
+          texture->SetLastFwdTransactionId(mFwdTransactionId);
+          // Make sure that each texture was handled by the compositable
+          // because the recycling logic depends on it.
+          MOZ_ASSERT(texture->NumCompositableRefs() > 0);
+        }
+        if (texturedDesc.textureOnWhiteParent().isSome()) {
+          texture = TextureHost::AsTextureHost(
+              texturedDesc.textureOnWhiteParent().ref());
+          if (texture) {
+            texture->SetLastFwdTransactionId(mFwdTransactionId);
+            // Make sure that each texture was handled by the compositable
+            // because the recycling logic depends on it.
+            MOZ_ASSERT(texture->NumCompositableRefs() > 0);
+          }
+        }
+      }
+      if (!success) {
+        return false;
+      }
+      break;
+    }
+    case CompositableOperationDetail::TOpRemoveTexture: {
+      const OpRemoveTexture& op = aDetail.get_OpRemoveTexture();
+
+      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
+
+      MOZ_ASSERT(tex.get());
+      aCompositable->RemoveTextureHost(tex);
+      break;
+    }
+    case CompositableOperationDetail::TOpUseTexture: {
+      const OpUseTexture& op = aDetail.get_OpUseTexture();
+
+      AutoTArray<CompositableHost::TimedTexture, 4> textures;
+      for (auto& timedTexture : op.textures()) {
+        CompositableHost::TimedTexture* t = textures.AppendElement();
+        t->mTexture = TextureHost::AsTextureHost(timedTexture.textureParent());
+        MOZ_ASSERT(t->mTexture);
+        t->mTimeStamp = timedTexture.timeStamp();
+        t->mPictureRect = timedTexture.picture();
+        t->mFrameID = timedTexture.frameID();
+        t->mProducerID = timedTexture.producerID();
+        if (timedTexture.readLocked()) {
+          t->mTexture->SetReadLocked();
+        }
+      }
+      if (textures.Length() > 0) {
+        aCompositable->UseTextureHost(textures);
+
+        for (auto& timedTexture : op.textures()) {
+          RefPtr<TextureHost> texture =
+              TextureHost::AsTextureHost(timedTexture.textureParent());
+          if (texture) {
+            texture->SetLastFwdTransactionId(mFwdTransactionId);
+            // Make sure that each texture was handled by the compositable
+            // because the recycling logic depends on it.
+            MOZ_ASSERT(texture->NumCompositableRefs() > 0);
+          }
+        }
+      }
+
+      if (UsesImageBridge() && aCompositable->GetLayer()) {
+        ScheduleComposition(aCompositable);
+      }
+      break;
+    }
+    case CompositableOperationDetail::TOpUseComponentAlphaTextures: {
+      const OpUseComponentAlphaTextures& op =
+          aDetail.get_OpUseComponentAlphaTextures();
+      RefPtr<TextureHost> texOnBlack =
+          TextureHost::AsTextureHost(op.textureOnBlackParent());
+      RefPtr<TextureHost> texOnWhite =
+          TextureHost::AsTextureHost(op.textureOnWhiteParent());
+      if (op.readLockedBlack()) {
+        texOnBlack->SetReadLocked();
+      }
+      if (op.readLockedWhite()) {
+        texOnWhite->SetReadLocked();
+      }
+
+      MOZ_ASSERT(texOnBlack && texOnWhite);
+      aCompositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);
+
+      if (texOnBlack) {
+        texOnBlack->SetLastFwdTransactionId(mFwdTransactionId);
+        // Make sure that each texture was handled by the compositable
+        // because the recycling logic depends on it.
+        MOZ_ASSERT(texOnBlack->NumCompositableRefs() > 0);
+      }
+
+      if (texOnWhite) {
+        texOnWhite->SetLastFwdTransactionId(mFwdTransactionId);
+        // Make sure that each texture was handled by the compositable
+        // because the recycling logic depends on it.
+        MOZ_ASSERT(texOnWhite->NumCompositableRefs() > 0);
+      }
+
+      if (UsesImageBridge()) {
+        ScheduleComposition(aCompositable);
+      }
+      break;
+    }
+    case CompositableOperationDetail::TOpDeliverAcquireFence: {
+      const OpDeliverAcquireFence& op = aDetail.get_OpDeliverAcquireFence();
+      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
+      MOZ_ASSERT(tex.get());
+      MOZ_ASSERT(tex->AsAndroidHardwareBufferTextureHost());
+
+      auto fenceFd = op.fenceFd();
+      tex->SetAcquireFence(std::move(fenceFd));
+      break;
+    }
+    default: {
+      MOZ_ASSERT(false, "bad type");
+    }
+  }
+
+  return true;
+}
+
+void CompositableParentManager::DestroyActor(const OpDestroy& aOp) {
+  switch (aOp.type()) {
+    case OpDestroy::TPTextureParent: {
+      auto actor = aOp.get_PTextureParent();
+      TextureHost::ReceivedDestroy(actor);
+      break;
+    }
+    case OpDestroy::TCompositableHandle: {
+      ReleaseCompositable(aOp.get_CompositableHandle());
+      break;
+    }
+    default: {
+      MOZ_ASSERT(false, "unsupported type");
+    }
+  }
+}
+
+RefPtr<CompositableHost> CompositableParentManager::AddCompositable(
+    const CompositableHandle& aHandle, const TextureInfo& aInfo,
+    bool aUseWebRender) {
+  if (mCompositables.find(aHandle.Value()) != mCompositables.end()) {
+    NS_ERROR("Client should not allocate duplicate handles");
+    return nullptr;
+  }
+  if (!aHandle) {
+    NS_ERROR("Client should not allocate 0 as a handle");
+    return nullptr;
+  }
+
+  RefPtr<CompositableHost> host =
+      CompositableHost::Create(aInfo, aUseWebRender);
+  if (!host) {
+    return nullptr;
+  }
+
+  mCompositables[aHandle.Value()] = host;
+  return host;
+}
+
+RefPtr<CompositableHost> CompositableParentManager::FindCompositable(
+    const CompositableHandle& aHandle, bool aAllowDisablingWebRender) {
+  auto iter = mCompositables.find(aHandle.Value());
+  if (iter == mCompositables.end()) {
+    return nullptr;
+  }
+
+  RefPtr<CompositableHost> host = iter->second;
+  if (!aAllowDisablingWebRender) {
+    return host;
+  }
+
+  if (!host->AsWebRenderImageHost() || !host->GetAsyncRef()) {
+    return host;
+  }
+
+  // Try to replace WebRenderImageHost of ImageBridge to ImageHost.
+  RefPtr<CompositableHost> newHost = CompositableHost::Create(
+      host->GetTextureInfo(), /* aUseWebRender */ false);
+  if (!newHost || !newHost->AsImageHost()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+    return host;
+  }
+
+  newHost->SetAsyncRef(host->GetAsyncRef());
+  mCompositables[aHandle.Value()] = newHost;
+
+  return newHost;
+}
+
+void CompositableParentManager::ReleaseCompositable(
+    const CompositableHandle& aHandle) {
+  auto iter = mCompositables.find(aHandle.Value());
+  if (iter == mCompositables.end()) {
+    return;
+  }
+
+  RefPtr<CompositableHost> host = iter->second;
+  mCompositables.erase(iter);
+
+  host->Detach(nullptr, CompositableHost::FORCE_DETACH);
+}
+
+}  // namespace layers
+}  // namespace mozilla