Removed implementation of CHROMIUM_subscribe_uniform

gpu/command_buffer/service/valuebuffer_manager.cc

-// Copyright (c) 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 <stdint.h>
-
-#include "gpu/command_buffer/service/gl_utils.h"
-#include "gpu/command_buffer/service/program_manager.h"
-#include "gpu/command_buffer/service/valuebuffer_manager.h"
-
-namespace gpu {
-namespace gles2 {
-
-SubscriptionRefSet::Observer::~Observer() {
-}
-
-SubscriptionRefSet::SubscriptionRefSet() {
-}
-
-SubscriptionRefSet::~SubscriptionRefSet() {
-  // Make sure no valuebuffers are still holding references to targets
-  DCHECK(reference_set_.empty());
-}
-
-void SubscriptionRefSet::AddSubscription(unsigned int target) {
-  RefSet::iterator it = reference_set_.find(target);
-  if (it == reference_set_.end()) {
-    reference_set_.insert(std::make_pair(target, 1));
-    FOR_EACH_OBSERVER(Observer, observers_, OnAddSubscription(target));
-  } else {
-    ++it->second;
-  }
-}
-
-void SubscriptionRefSet::RemoveSubscription(unsigned int target) {
-  RefSet::iterator it = reference_set_.find(target);
-  DCHECK(it != reference_set_.end());
-  if (it->second == 1) {
-    reference_set_.erase(it);
-    FOR_EACH_OBSERVER(Observer, observers_, OnRemoveSubscription(target));
-  } else {
-    --it->second;
-  }
-}
-
-void SubscriptionRefSet::AddObserver(Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void SubscriptionRefSet::RemoveObserver(Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-Valuebuffer::Valuebuffer(ValuebufferManager* manager, unsigned int client_id)
-    : manager_(manager), client_id_(client_id), has_been_bound_(false) {
-  manager_->StartTracking(this);
-  active_state_map_ = new ValueStateMap();
-}
-
-Valuebuffer::~Valuebuffer() {
-  if (manager_) {
-    for (SubscriptionSet::const_iterator it = subscriptions_.begin();
-        it != subscriptions_.end(); ++it) {
-      manager_->NotifyRemoveSubscription(*it);
-    }
-    manager_->StopTracking(this);
-    manager_ = NULL;
-  }
-}
-
-void Valuebuffer::AddSubscription(unsigned int subscription) {
-  if (subscriptions_.find(subscription) == subscriptions_.end()) {
-    subscriptions_.insert(subscription);
-    manager_->NotifyAddSubscription(subscription);
-  }
-}
-
-void Valuebuffer::RemoveSubscription(unsigned int subscription) {
-  SubscriptionSet::iterator it = subscriptions_.find(subscription);
-  if (subscriptions_.find(subscription) != subscriptions_.end()) {
-    subscriptions_.erase(it);
-    manager_->NotifyRemoveSubscription(subscription);
-  }
-}
-
-bool Valuebuffer::IsSubscribed(unsigned int subscription) {
-  return subscriptions_.find(subscription) != subscriptions_.end();
-}
-
-const ValueState* Valuebuffer::GetState(unsigned int target) const {
-  return active_state_map_->GetState(target);
-}
-
-void Valuebuffer::UpdateState(const ValueStateMap* pending_state) {
-  DCHECK(pending_state);
-  for (SubscriptionSet::const_iterator it = subscriptions_.begin();
-       it != subscriptions_.end(); ++it) {
-    const ValueState *state = pending_state->GetState(*it);
-    if (state != NULL) {
-      active_state_map_->UpdateState(*it, *state);
-    }
-  }
-}
-
-ValuebufferManager::ValuebufferManager(SubscriptionRefSet* ref_set,
-                                       ValueStateMap* state_map)
-    : valuebuffer_count_(0),
-      pending_state_map_(state_map),
-      subscription_ref_set_(ref_set) {
-}
-
-ValuebufferManager::~ValuebufferManager() {
-  DCHECK(valuebuffer_map_.empty());
-  // If this triggers, that means something is keeping a reference to
-  // a Valuebuffer belonging to this.
-  CHECK_EQ(valuebuffer_count_, 0u);
-}
-
-void ValuebufferManager::Destroy() {
-  valuebuffer_map_.clear();
-}
-
-void ValuebufferManager::StartTracking(Valuebuffer* /* valuebuffer */) {
-  ++valuebuffer_count_;
-}
-
-void ValuebufferManager::StopTracking(Valuebuffer* /* valuebuffer */) {
-  --valuebuffer_count_;
-}
-
-void ValuebufferManager::NotifyAddSubscription(unsigned int target) {
-  subscription_ref_set_->AddSubscription(target);
-}
-void ValuebufferManager::NotifyRemoveSubscription(unsigned int target) {
-  subscription_ref_set_->RemoveSubscription(target);
-}
-
-void ValuebufferManager::CreateValuebuffer(unsigned int client_id) {
-  scoped_refptr<Valuebuffer> valuebuffer(new Valuebuffer(this, client_id));
-  std::pair<ValuebufferMap::iterator, bool> result =
-      valuebuffer_map_.insert(std::make_pair(client_id, valuebuffer));
-  DCHECK(result.second);
-}
-
-Valuebuffer* ValuebufferManager::GetValuebuffer(unsigned int client_id) {
-  ValuebufferMap::iterator it = valuebuffer_map_.find(client_id);
-  return it != valuebuffer_map_.end() ? it->second.get() : NULL;
-}
-
-void ValuebufferManager::RemoveValuebuffer(unsigned int client_id) {
-  ValuebufferMap::iterator it = valuebuffer_map_.find(client_id);
-  if (it != valuebuffer_map_.end()) {
-    Valuebuffer* valuebuffer = it->second.get();
-    valuebuffer->MarkAsDeleted();
-    valuebuffer_map_.erase(it);
-  }
-}
-
-void ValuebufferManager::UpdateValuebufferState(Valuebuffer* valuebuffer) {
-  DCHECK(valuebuffer);
-  valuebuffer->UpdateState(pending_state_map_.get());
-}
-
-uint32_t ValuebufferManager::ApiTypeForSubscriptionTarget(unsigned int target) {
-  switch (target) {
-    case GL_MOUSE_POSITION_CHROMIUM:
-      return Program::kUniform2i;
-  }
-  NOTREACHED() << "Unhandled uniform subscription target " << target;
-  return Program::kUniformNone;
-}
-
-}  // namespace gles2
-}  // namespace gpu