12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2010 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef CC_LAYERS_TEXTURE_LAYER_H_ 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define CC_LAYERS_TEXTURE_LAYER_H_ 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <string> 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/callback.h" 11424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#include "base/synchronization/lock.h" 121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/threading/thread_checker.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/cc_export.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/layer.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/resources/texture_mailbox.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 18424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)class BlockingTaskRunner; 19d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)class SingleReleaseCallback; 201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciclass SingleReleaseCallbackImpl; 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class TextureLayerClient; 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// A Layer containing a the rendered output of a plugin instance. 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class CC_EXPORT TextureLayer : public Layer { 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) class CC_EXPORT TextureMailboxHolder 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : public base::RefCountedThreadSafe<TextureMailboxHolder> { 28424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) public: 29424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) class CC_EXPORT MainThreadReference { 30424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) public: 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) explicit MainThreadReference(TextureMailboxHolder* holder); 32424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) ~MainThreadReference(); 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) TextureMailboxHolder* holder() { return holder_.get(); } 34424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 35424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) private: 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_refptr<TextureMailboxHolder> holder_; 37424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(MainThreadReference); 38424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) }; 39424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 40424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) const TextureMailbox& mailbox() const { return mailbox_; } 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void Return(uint32 sync_point, bool is_lost); 42424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 43424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // Gets a ReleaseCallback that can be called from another thread. Note: the 44424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // caller must ensure the callback is called. 451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci scoped_ptr<SingleReleaseCallbackImpl> GetCallbackForImplThread(); 46424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 47424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) protected: 48424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) friend class TextureLayer; 49424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 50424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // Protected visiblity so only TextureLayer and unit tests can create these. 51424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) static scoped_ptr<MainThreadReference> Create( 52d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) const TextureMailbox& mailbox, 53d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<SingleReleaseCallback> release_callback); 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual ~TextureMailboxHolder(); 55424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 56424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) private: 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) friend class base::RefCountedThreadSafe<TextureMailboxHolder>; 58424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) friend class MainThreadReference; 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) explicit TextureMailboxHolder( 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const TextureMailbox& mailbox, 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<SingleReleaseCallback> release_callback); 62424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 63424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) void InternalAddRef(); 64424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) void InternalRelease(); 651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci void ReturnAndReleaseOnImplThread( 661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci uint32 sync_point, 671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci bool is_lost, 681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci BlockingTaskRunner* main_thread_task_runner); 69424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 70424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // These members are only accessed on the main thread, or on the impl thread 71424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // during commit where the main thread is blocked. 72424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) unsigned internal_references_; 73424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) TextureMailbox mailbox_; 74d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<SingleReleaseCallback> release_callback_; 75424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 76424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // This lock guards the sync_point_ and is_lost_ fields because they can be 77424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // accessed on both the impl and main thread. We do this to ensure that the 78424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // values of these fields are well-ordered such that the last call to 79424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) // ReturnAndReleaseOnImplThread() defines their values. 80424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) base::Lock arguments_lock_; 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uint32 sync_point_; 82424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) bool is_lost_; 831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci base::ThreadChecker main_thread_checker_; 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TextureMailboxHolder); 85424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) }; 86424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Used when mailbox names are specified instead of texture IDs. 88c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) static scoped_refptr<TextureLayer> CreateForMailbox( 89c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TextureLayerClient* client); 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 91c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // Resets the client, which also resets the texture. 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void ClearClient(); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 94c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // Resets the texture. 95c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch void ClearTexture(); 96c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) OVERRIDE; 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets whether this texture should be Y-flipped at draw time. Defaults to 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // true. 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetFlipped(bool flipped); 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1). 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void SetUV(const gfx::PointF& top_left, const gfx::PointF& bottom_right); 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets an opacity value per vertex. It will be multiplied by the layer 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // opacity value. 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetVertexOpacity(float bottom_left, 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float top_left, 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float top_right, 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float bottom_right); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets whether the alpha channel is premultiplied or unpremultiplied. 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Defaults to true. 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetPremultipliedAlpha(bool premultiplied_alpha); 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1187dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Sets whether the texture should be blended with the background color 1197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // at draw time. Defaults to false. 1207dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void SetBlendBackgroundColor(bool blend); 1217dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets whether this context should rate limit on damage to prevent too many 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // frames from being queued up before the compositor gets a chance to run. 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Requires a non-nil client. Defaults to false. 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetRateLimitContext(bool rate_limit); 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Code path for plugins which supply their own mailbox. 128d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) void SetTextureMailbox(const TextureMailbox& mailbox, 129d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) scoped_ptr<SingleReleaseCallback> release_callback); 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 131a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Use this for special cases where the same texture is used to back the 132a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TextureLayer across all frames. 133a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // WARNING: DON'T ACTUALLY USE THIS WHAT YOU ARE DOING IS WRONG. 134a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(danakj): Remove this when pepper doesn't need it. crbug.com/350204 135a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void SetTextureMailboxWithoutReleaseCallback(const TextureMailbox& mailbox); 136a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) OVERRIDE; 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) OVERRIDE; 1407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual bool Update(ResourceUpdateQueue* queue, 141a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const OcclusionTracker<Layer>* occlusion) OVERRIDE; 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; 14303b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const OVERRIDE; 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) protected: 146c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch explicit TextureLayer(TextureLayerClient* client); 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~TextureLayer(); 1486e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) virtual bool HasDrawableContent() const OVERRIDE; 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 1511e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) void SetTextureMailboxInternal( 1521e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) const TextureMailbox& mailbox, 1531e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) scoped_ptr<SingleReleaseCallback> release_callback, 154a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool requires_commit, 155a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool allow_mailbox_reuse); 1561e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TextureLayerClient* client_; 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool flipped_; 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF uv_top_left_; 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF uv_bottom_right_; 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // [bottom left, top left, top right, bottom right] 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float vertex_opacity_[4]; 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool premultiplied_alpha_; 1657dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bool blend_background_color_; 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool rate_limit_context_; 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<TextureMailboxHolder::MainThreadReference> holder_ref_; 1697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bool needs_set_mailbox_; 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TextureLayer); 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 174c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace cc 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // CC_LAYERS_TEXTURE_LAYER_H_ 176