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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/proxy/compositor_resource.h"
#include "base/logging.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/thunk/enter.h"
namespace ppapi {
namespace proxy {
CompositorResource::CompositorResource(Connection connection,
PP_Instance instance)
: PluginResource(connection, instance),
layer_reset_(true),
last_resource_id_(0) {
SendCreate(RENDERER, PpapiHostMsg_Compositor_Create());
}
bool CompositorResource::IsInProgress() const {
ProxyLock::AssertAcquiredDebugOnly();
return TrackedCallback::IsPending(commit_callback_);
}
int32_t CompositorResource::GenerateResourceId() const {
ProxyLock::AssertAcquiredDebugOnly();
return ++last_resource_id_;
}
CompositorResource::~CompositorResource() {
ResetLayersInternal(true);
// Abort all release callbacks.
for (ReleaseCallbackMap::iterator it = release_callback_map_.begin();
it != release_callback_map_.end(); ++it) {
if (!it->second.is_null())
it->second.Run(PP_ERROR_ABORTED, gpu::SyncToken(), false);
}
}
thunk::PPB_Compositor_API* CompositorResource::AsPPB_Compositor_API() {
return this;
}
void CompositorResource::OnReplyReceived(
const ResourceMessageReplyParams& params,
const IPC::Message& msg) {
PPAPI_BEGIN_MESSAGE_MAP(CompositorResource, msg)
PPAPI_DISPATCH_PLUGIN_RESOURCE_CALL(
PpapiPluginMsg_Compositor_ReleaseResource,
OnPluginMsgReleaseResource)
PPAPI_DISPATCH_PLUGIN_RESOURCE_CALL_UNHANDLED(
PluginResource::OnReplyReceived(params, msg))
PPAPI_END_MESSAGE_MAP()
}
PP_Resource CompositorResource::AddLayer() {
scoped_refptr<CompositorLayerResource> resource(new CompositorLayerResource(
connection(), pp_instance(), this));
layers_.push_back(resource);
return resource->GetReference();
}
int32_t CompositorResource::CommitLayers(
const scoped_refptr<ppapi::TrackedCallback>& callback) {
if (IsInProgress())
return PP_ERROR_INPROGRESS;
std::vector<CompositorLayerData> layers;
layers.reserve(layers_.size());
for (LayerList::const_iterator it = layers_.begin();
it != layers_.end(); ++it) {
if ((*it)->data().is_null())
return PP_ERROR_FAILED;
layers.push_back((*it)->data());
}
commit_callback_ = callback;
Call<PpapiPluginMsg_Compositor_CommitLayersReply>(
RENDERER,
PpapiHostMsg_Compositor_CommitLayers(layers, layer_reset_),
base::Bind(&CompositorResource::OnPluginMsgCommitLayersReply,
base::Unretained(this)),
callback);
return PP_OK_COMPLETIONPENDING;
}
int32_t CompositorResource::ResetLayers() {
if (IsInProgress())
return PP_ERROR_INPROGRESS;
ResetLayersInternal(false);
return PP_OK;
}
void CompositorResource::OnPluginMsgCommitLayersReply(
const ResourceMessageReplyParams& params) {
if (!TrackedCallback::IsPending(commit_callback_))
return;
// On success, we put layers' release_callbacks into a map,
// otherwise we will do nothing. So plugin may change layers and
// call CommitLayers() again.
if (params.result() == PP_OK) {
layer_reset_ = false;
for (LayerList::iterator it = layers_.begin();
it != layers_.end(); ++it) {
ReleaseCallback release_callback = (*it)->release_callback();
if (!release_callback.is_null()) {
release_callback_map_.insert(ReleaseCallbackMap::value_type(
(*it)->data().common.resource_id, release_callback));
(*it)->ResetReleaseCallback();
}
}
}
scoped_refptr<TrackedCallback> callback;
callback.swap(commit_callback_);
callback->Run(params.result());
}
void CompositorResource::OnPluginMsgReleaseResource(
const ResourceMessageReplyParams& params,
int32_t id,
const gpu::SyncToken& sync_token,
bool is_lost) {
ReleaseCallbackMap::iterator it = release_callback_map_.find(id);
DCHECK(it != release_callback_map_.end()) <<
"Can not found release_callback_ by id(" << id << ")!";
it->second.Run(PP_OK, sync_token, is_lost);
release_callback_map_.erase(it);
}
void CompositorResource::ResetLayersInternal(bool is_aborted) {
for (LayerList::iterator it = layers_.begin();
it != layers_.end(); ++it) {
ReleaseCallback release_callback = (*it)->release_callback();
if (!release_callback.is_null()) {
release_callback.Run(is_aborted ? PP_ERROR_ABORTED : PP_OK,
gpu::SyncToken(), false);
(*it)->ResetReleaseCallback();
}
(*it)->Invalidate();
}
layers_.clear();
layer_reset_ = true;
}
} // namespace proxy
} // namespace ppapi
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