1 /* 2 * Copyright 2009, Haiku, Inc. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Michael Lotz <mmlr@mlotz.ch> 7 */ 8 #ifndef REMOTE_HW_INTERFACE_H 9 #define REMOTE_HW_INTERFACE_H 10 11 #include "HWInterface.h" 12 13 #include <AutoDeleter.h> 14 #include <Locker.h> 15 #include <ObjectList.h> 16 17 class BNetEndpoint; 18 class StreamingRingBuffer; 19 class NetSender; 20 class NetReceiver; 21 class RemoteEventStream; 22 class RemoteMessage; 23 24 struct callback_info; 25 26 27 class RemoteHWInterface : public HWInterface { 28 public: 29 RemoteHWInterface(const char* target); 30 virtual ~RemoteHWInterface(); 31 32 virtual status_t Initialize(); 33 virtual status_t Shutdown(); 34 35 virtual DrawingEngine* CreateDrawingEngine(); 36 virtual EventStream* CreateEventStream(); 37 38 virtual status_t SetMode(const display_mode& mode); 39 virtual void GetMode(display_mode* mode); 40 virtual status_t GetPreferredMode(display_mode* mode); 41 42 virtual status_t GetDeviceInfo(accelerant_device_info* info); 43 virtual status_t GetFrameBufferConfig( 44 frame_buffer_config& config); 45 46 virtual status_t GetModeList(display_mode** _modeList, 47 uint32* _count); 48 virtual status_t GetPixelClockLimits(display_mode* mode, 49 uint32* _low, uint32* _high); 50 virtual status_t GetTimingConstraints( 51 display_timing_constraints* constraints); 52 virtual status_t ProposeMode(display_mode* candidate, 53 const display_mode* low, 54 const display_mode* high); 55 56 virtual sem_id RetraceSemaphore(); 57 virtual status_t WaitForRetrace( 58 bigtime_t timeout = B_INFINITE_TIMEOUT); 59 60 virtual status_t SetDPMSMode(uint32 state); 61 virtual uint32 DPMSMode(); 62 virtual uint32 DPMSCapabilities(); 63 64 virtual status_t SetBrightness(float); 65 virtual status_t GetBrightness(float*); 66 67 // cursor handling 68 virtual void SetCursor(ServerCursor* cursor); 69 virtual void SetCursorVisible(bool visible); 70 virtual void MoveCursorTo(float x, float y); 71 virtual void SetDragBitmap(const ServerBitmap* bitmap, 72 const BPoint& offsetFormCursor); 73 74 // frame buffer access 75 virtual RenderingBuffer* FrontBuffer() const; 76 virtual RenderingBuffer* BackBuffer() const; 77 virtual bool IsDoubleBuffered() const; 78 79 virtual status_t InvalidateRegion(BRegion& region); 80 virtual status_t Invalidate(const BRect& frame); 81 virtual status_t CopyBackToFront(const BRect& frame); 82 83 // drawing engine interface 84 StreamingRingBuffer* ReceiveBuffer() 85 { return fReceiveBuffer.Get(); } 86 StreamingRingBuffer* SendBuffer() { return fSendBuffer.Get(); } 87 88 typedef bool (*CallbackFunction)(void* cookie, RemoteMessage& message); 89 90 status_t AddCallback(uint32 token, 91 CallbackFunction callback, 92 void* cookie); 93 bool RemoveCallback(uint32 token); 94 95 private: 96 callback_info* _FindCallback(uint32 token); 97 static int _CallbackCompare(const uint32* key, 98 const callback_info* info); 99 100 static int32 _EventThreadEntry(void* data); 101 status_t _EventThread(); 102 103 static status_t _NewConnectionCallback(void *cookie, 104 BNetEndpoint &endpoint); 105 status_t _NewConnection(BNetEndpoint &endpoint); 106 107 void _Disconnect(); 108 109 void _FillDisplayModeTiming(display_mode &mode); 110 111 const char* fTarget; 112 status_t fInitStatus; 113 bool fIsConnected; 114 uint32 fProtocolVersion; 115 uint32 fConnectionSpeed; 116 display_mode fFallbackMode; 117 display_mode fCurrentMode; 118 display_mode fClientMode; 119 uint16 fListenPort; 120 121 ObjectDeleter<BNetEndpoint> fListenEndpoint; 122 ObjectDeleter<StreamingRingBuffer> 123 fSendBuffer; 124 ObjectDeleter<StreamingRingBuffer> 125 fReceiveBuffer; 126 127 ObjectDeleter<NetSender> fSender; 128 ObjectDeleter<NetReceiver> fReceiver; 129 130 thread_id fEventThread; 131 ObjectDeleter<RemoteEventStream> 132 fEventStream; 133 134 BLocker fCallbackLocker; 135 BObjectList<callback_info> fCallbacks; 136 }; 137 138 #endif // REMOTE_HW_INTERFACE_H 139