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| 1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "gpu/command_buffer/service/valuebuffer_manager.h" |
| 6 |
| 7 #include "gpu/command_buffer/service/program_manager.h" |
| 8 |
| 9 namespace gpu { |
| 10 namespace gles2 { |
| 11 |
| 12 Valuebuffer::Valuebuffer(ValuebufferManager* manager, GLuint client_id) |
| 13 : manager_(manager), client_id_(client_id), has_been_bound_(false) { |
| 14 manager_->StartTracking(this); |
| 15 } |
| 16 |
| 17 Valuebuffer::~Valuebuffer() { |
| 18 if (manager_) { |
| 19 manager_->StopTracking(this); |
| 20 manager_ = NULL; |
| 21 } |
| 22 } |
| 23 |
| 24 void Valuebuffer::AddSubscription(GLenum subscription) { |
| 25 subscriptions_.insert(subscription); |
| 26 } |
| 27 |
| 28 void Valuebuffer::RemoveSubscription(GLenum subscription) { |
| 29 subscriptions_.erase(subscription); |
| 30 } |
| 31 |
| 32 bool Valuebuffer::IsSubscribed(GLenum subscription) { |
| 33 return subscriptions_.find(subscription) != subscriptions_.end(); |
| 34 } |
| 35 |
| 36 const ValueState *Valuebuffer::GetState(GLenum target) const { |
| 37 StateMap::const_iterator it = active_state_map_.find(target); |
| 38 return it != active_state_map_.end() ? &it->second : NULL; |
| 39 } |
| 40 |
| 41 void Valuebuffer::UpdateState(const StateMap& pending_state) { |
| 42 for (SubscriptionSet::const_iterator it = subscriptions_.begin(); |
| 43 it != subscriptions_.end(); ++it) { |
| 44 StateMap::const_iterator pending_state_it = pending_state.find((*it)); |
| 45 if (pending_state_it != pending_state.end()) { |
| 46 active_state_map_[pending_state_it->first] = pending_state_it->second; |
| 47 } |
| 48 } |
| 49 } |
| 50 |
| 51 ValuebufferManager::ValuebufferManager() |
| 52 : valuebuffer_count_(0) { |
| 53 } |
| 54 |
| 55 ValuebufferManager::~ValuebufferManager() { |
| 56 DCHECK(valuebuffer_map_.empty()); |
| 57 DCHECK(pending_state_map_.empty()); |
| 58 // If this triggers, that means something is keeping a reference to |
| 59 // a Valuebuffer belonging to this. |
| 60 CHECK_EQ(valuebuffer_count_, 0u); |
| 61 } |
| 62 |
| 63 void ValuebufferManager::Destroy() { |
| 64 valuebuffer_map_.clear(); |
| 65 pending_state_map_.clear(); |
| 66 } |
| 67 |
| 68 void ValuebufferManager::StartTracking(Valuebuffer* /* valuebuffer */) { |
| 69 ++valuebuffer_count_; |
| 70 } |
| 71 |
| 72 void ValuebufferManager::StopTracking(Valuebuffer* /* valuebuffer */) { |
| 73 --valuebuffer_count_; |
| 74 } |
| 75 |
| 76 void ValuebufferManager::CreateValuebuffer(GLuint client_id) { |
| 77 scoped_refptr<Valuebuffer> valuebuffer(new Valuebuffer(this, client_id)); |
| 78 std::pair<ValuebufferMap::iterator, bool> result = |
| 79 valuebuffer_map_.insert(std::make_pair(client_id, valuebuffer)); |
| 80 DCHECK(result.second); |
| 81 } |
| 82 |
| 83 Valuebuffer* ValuebufferManager::GetValuebuffer(GLuint client_id) { |
| 84 ValuebufferMap::iterator it = valuebuffer_map_.find(client_id); |
| 85 return it != valuebuffer_map_.end() ? it->second.get() : NULL; |
| 86 } |
| 87 |
| 88 void ValuebufferManager::RemoveValuebuffer(GLuint client_id) { |
| 89 ValuebufferMap::iterator it = valuebuffer_map_.find(client_id); |
| 90 if (it != valuebuffer_map_.end()) { |
| 91 Valuebuffer* valuebuffer = it->second.get(); |
| 92 valuebuffer->MarkAsDeleted(); |
| 93 valuebuffer_map_.erase(it); |
| 94 } |
| 95 } |
| 96 |
| 97 void ValuebufferManager::UpdateValuebufferState(Valuebuffer* valuebuffer) { |
| 98 DCHECK(valuebuffer); |
| 99 valuebuffer->UpdateState(pending_state_map_); |
| 100 } |
| 101 |
| 102 void ValuebufferManager::UpdateValueState( |
| 103 GLenum target, const ValueState& state) { |
| 104 pending_state_map_[target] = state; |
| 105 } |
| 106 |
| 107 uint32 ValuebufferManager::ApiTypeForSubscriptionTarget(GLenum target) { |
| 108 switch (target) { |
| 109 case GL_MOUSE_POSITION_CHROMIUM: |
| 110 return Program::kUniform2i; |
| 111 } |
| 112 NOTREACHED() << "Unhandled uniform subscription target " << target; |
| 113 return Program::kUniformNone; |
| 114 } |
| 115 |
| 116 } // namespace gles2 |
| 117 } // namespace gpu |
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