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Bug 1360717 - Make WebRenderCompositableHolder could generate WrImageKey r=nical

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This commit is contained in:
sotaro 2017-05-09 01:19:48 -07:00
parent 5d5cdc518c
commit 38717ce0a5
5 changed files with 23 additions and 4 deletions
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3
gfx/layers/ipc/CompositorBridgeParent.cpp
View File

@ -1612,7 +1612,8 @@ CompositorBridgeParent::AllocPWebRenderBridgeParent(const wr::PipelineId& aPipel
RefPtr<widget::CompositorWidget> widget = mWidget;
RefPtr<wr::WebRenderAPI> api = wr::WebRenderAPI::Create(
gfxPrefs::WebRenderProfilerEnabled(), this, Move(widget), aSize);
RefPtr<WebRenderCompositableHolder> holder = new WebRenderCompositableHolder();
RefPtr<WebRenderCompositableHolder> holder =
new WebRenderCompositableHolder(WebRenderBridgeParent::AllocIdNameSpace());
MOZ_ASSERT(api); // TODO have a fallback
api->SetRootPipeline(aPipelineId);
mWrBridge = new WebRenderBridgeParent(this, aPipelineId, mWidget, nullptr, Move(api), Move(holder));

2
gfx/layers/wr/WebRenderBridgeParent.cpp
View File

@ -119,7 +119,7 @@ WebRenderBridgeParent::WebRenderBridgeParent(CompositorBridgeParentBase* aCompos
, mChildLayerObserverEpoch(0)
, mParentLayerObserverEpoch(0)
, mWrEpoch(0)
, mIdNameSpace(++sIdNameSpace)
, mIdNameSpace(AllocIdNameSpace())
, mPaused(false)
, mDestroyed(false)
{

4
gfx/layers/wr/WebRenderBridgeParent.h
View File

@ -165,6 +165,10 @@ public:
void UpdateAPZ();
const WebRenderScrollData& GetScrollData() const;
static uint32_t AllocIdNameSpace() {
return ++sIdNameSpace;
}
private:
virtual ~WebRenderBridgeParent();

4
gfx/layers/wr/WebRenderCompositableHolder.cpp
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@ -15,7 +15,9 @@ using namespace gfx;
namespace layers {
WebRenderCompositableHolder::WebRenderCompositableHolder()
WebRenderCompositableHolder::WebRenderCompositableHolder(uint32_t aIdNamespace)
: mIdNamespace(aIdNamespace)
, mResourceId(0)
{
MOZ_COUNT_CTOR(WebRenderCompositableHolder);
}

14
gfx/layers/wr/WebRenderCompositableHolder.h
View File

@ -28,7 +28,7 @@ class WebRenderCompositableHolder final
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebRenderCompositableHolder)
explicit WebRenderCompositableHolder();
explicit WebRenderCompositableHolder(uint32_t aIdNamespace);
protected:
~WebRenderCompositableHolder();
@ -59,6 +59,16 @@ public:
return mCompositeUntilTime;
}
uint32_t GetNextResourceId() { return ++mResourceId; }
uint32_t GetNamespace() { return mIdNamespace; }
WrImageKey GetImageKey()
{
WrImageKey key;
key.mNamespace = GetNamespace();
key.mHandle = GetNextResourceId();
return key;
}
private:
struct ForwardingTextureHost {
@ -75,6 +85,8 @@ private:
std::queue<ForwardingTextureHost> mTextureHosts;
};
uint32_t mIdNamespace;
uint32_t mResourceId;
nsClassHashtable<nsUint64HashKey, PipelineTexturesHolder> mPipelineTexturesHolders;
// Render time for the current composition.