| 1 | /** @file
|
|---|
| 2 | *
|
|---|
| 3 | * VBox frontends: VBoxSDL (simple frontend based on SDL):
|
|---|
| 4 | * Declaration of VBoxSDLFB (SDL framebuffer) class
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2006-2012 Oracle Corporation
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | */
|
|---|
| 18 |
|
|---|
| 19 | #ifndef __H_FRAMEBUFFER
|
|---|
| 20 | #define __H_FRAMEBUFFER
|
|---|
| 21 |
|
|---|
| 22 | #include "VBoxSDL.h"
|
|---|
| 23 | #include <iprt/thread.h>
|
|---|
| 24 |
|
|---|
| 25 | #include <iprt/critsect.h>
|
|---|
| 26 |
|
|---|
| 27 | #ifdef VBOX_SECURELABEL
|
|---|
| 28 | #include <SDL_ttf.h>
|
|---|
| 29 | /* function pointers */
|
|---|
| 30 | extern "C"
|
|---|
| 31 | {
|
|---|
| 32 | extern DECLSPEC int (SDLCALL *pTTF_Init)(void);
|
|---|
| 33 | extern DECLSPEC TTF_Font* (SDLCALL *pTTF_OpenFont)(const char *file, int ptsize);
|
|---|
| 34 | extern DECLSPEC SDL_Surface* (SDLCALL *pTTF_RenderUTF8_Solid)(TTF_Font *font, const char *text, SDL_Color fg);
|
|---|
| 35 | extern DECLSPEC SDL_Surface* (SDLCALL *pTTF_RenderUTF8_Shaded)(TTF_Font *font, const char *text, SDL_Color fg, SDL_Color bg);
|
|---|
| 36 | extern DECLSPEC SDL_Surface* (SDLCALL *pTTF_RenderUTF8_Blended)(TTF_Font *font, const char *text, SDL_Color fg);
|
|---|
| 37 | extern DECLSPEC void (SDLCALL *pTTF_CloseFont)(TTF_Font *font);
|
|---|
| 38 | extern DECLSPEC void (SDLCALL *pTTF_Quit)(void);
|
|---|
| 39 | }
|
|---|
| 40 | #endif /* VBOX_SECURELABEL && !VBOX_WITH_SDL13 */
|
|---|
| 41 |
|
|---|
| 42 | class VBoxSDLFBOverlay;
|
|---|
| 43 |
|
|---|
| 44 | class VBoxSDLFB :
|
|---|
| 45 | VBOX_SCRIPTABLE_IMPL(IFramebuffer)
|
|---|
| 46 | {
|
|---|
| 47 | public:
|
|---|
| 48 | VBoxSDLFB(uint32_t uScreenId,
|
|---|
| 49 | bool fFullscreen = false, bool fResizable = true, bool fShowSDLConfig = false,
|
|---|
| 50 | bool fKeepHostRes = false, uint32_t u32FixedWidth = ~(uint32_t)0,
|
|---|
| 51 | uint32_t u32FixedHeight = ~(uint32_t)0, uint32_t u32FixedBPP = ~(uint32_t)0);
|
|---|
| 52 | virtual ~VBoxSDLFB();
|
|---|
| 53 |
|
|---|
| 54 | static bool init(bool fShowSDLConfig);
|
|---|
| 55 | static void uninit();
|
|---|
| 56 |
|
|---|
| 57 | #ifdef RT_OS_WINDOWS
|
|---|
| 58 | STDMETHOD_(ULONG, AddRef)()
|
|---|
| 59 | {
|
|---|
| 60 | return ::InterlockedIncrement (&refcnt);
|
|---|
| 61 | }
|
|---|
| 62 | STDMETHOD_(ULONG, Release)()
|
|---|
| 63 | {
|
|---|
| 64 | long cnt = ::InterlockedDecrement (&refcnt);
|
|---|
| 65 | if (cnt == 0)
|
|---|
| 66 | delete this;
|
|---|
| 67 | return cnt;
|
|---|
| 68 | }
|
|---|
| 69 | #endif
|
|---|
| 70 | VBOX_SCRIPTABLE_DISPATCH_IMPL(IFramebuffer)
|
|---|
| 71 |
|
|---|
| 72 | NS_DECL_ISUPPORTS
|
|---|
| 73 |
|
|---|
| 74 | STDMETHOD(COMGETTER(Width))(ULONG *width);
|
|---|
| 75 | STDMETHOD(COMGETTER(Height))(ULONG *height);
|
|---|
| 76 | STDMETHOD(Lock)();
|
|---|
| 77 | STDMETHOD(Unlock)();
|
|---|
| 78 | STDMETHOD(COMGETTER(Address))(BYTE **address);
|
|---|
| 79 | STDMETHOD(COMGETTER(BitsPerPixel))(ULONG *bitsPerPixel);
|
|---|
| 80 | STDMETHOD(COMGETTER(BytesPerLine))(ULONG *bytesPerLine);
|
|---|
| 81 | STDMETHOD(COMGETTER(PixelFormat)) (ULONG *pixelFormat);
|
|---|
| 82 | STDMETHOD(COMGETTER(UsesGuestVRAM)) (BOOL *usesGuestVRAM);
|
|---|
| 83 | STDMETHOD(COMGETTER(HeightReduction)) (ULONG *heightReduction);
|
|---|
| 84 | STDMETHOD(COMGETTER(Overlay)) (IFramebufferOverlay **aOverlay);
|
|---|
| 85 | STDMETHOD(COMGETTER(WinId)) (int64_t *winId);
|
|---|
| 86 |
|
|---|
| 87 | STDMETHOD(NotifyUpdate)(ULONG x, ULONG y, ULONG w, ULONG h);
|
|---|
| 88 | STDMETHOD(NotifyChange)(ULONG aScreenId,
|
|---|
| 89 | ULONG aXOrigin,
|
|---|
| 90 | ULONG aYOrigin,
|
|---|
| 91 | ULONG aWidth,
|
|---|
| 92 | ULONG aHeight);
|
|---|
| 93 | STDMETHOD(VideoModeSupported)(ULONG width, ULONG height, ULONG bpp, BOOL *supported);
|
|---|
| 94 |
|
|---|
| 95 | STDMETHOD(GetVisibleRegion)(BYTE *aRectangles, ULONG aCount, ULONG *aCountCopied);
|
|---|
| 96 | STDMETHOD(SetVisibleRegion)(BYTE *aRectangles, ULONG aCount);
|
|---|
| 97 |
|
|---|
| 98 | STDMETHOD(ProcessVHWACommand)(BYTE *pCommand);
|
|---|
| 99 |
|
|---|
| 100 | STDMETHOD(Notify3DEvent)(ULONG uType, BYTE *pReserved);
|
|---|
| 101 |
|
|---|
| 102 | // internal public methods
|
|---|
| 103 | bool initialized() { return mfInitialized; }
|
|---|
| 104 | void notifyChange(ULONG aScreenId);
|
|---|
| 105 | void resizeGuest();
|
|---|
| 106 | void resizeSDL();
|
|---|
| 107 | void update(int x, int y, int w, int h, bool fGuestRelative);
|
|---|
| 108 | void repaint();
|
|---|
| 109 | void setFullscreen(bool fFullscreen);
|
|---|
| 110 | void getFullscreenGeometry(uint32_t *width, uint32_t *height);
|
|---|
| 111 | uint32_t getScreenId() { return mScreenId; }
|
|---|
| 112 | uint32_t getGuestXRes() { return mGuestXRes; }
|
|---|
| 113 | uint32_t getGuestYRes() { return mGuestYRes; }
|
|---|
| 114 | int32_t getOriginX() { return mOriginX; }
|
|---|
| 115 | int32_t getOriginY() { return mOriginY; }
|
|---|
| 116 | int32_t getXOffset() { return mCenterXOffset; }
|
|---|
| 117 | int32_t getYOffset() { return mCenterYOffset; }
|
|---|
| 118 | #ifdef VBOX_WITH_SDL13
|
|---|
| 119 | bool hasWindow(SDL_WindowID id) { return mScreen && mWindow == id; }
|
|---|
| 120 | #endif
|
|---|
| 121 | #ifdef VBOX_SECURELABEL
|
|---|
| 122 | int initSecureLabel(uint32_t height, char *font, uint32_t pointsize, uint32_t labeloffs);
|
|---|
| 123 | void setSecureLabelText(const char *text);
|
|---|
| 124 | void setSecureLabelColor(uint32_t colorFG, uint32_t colorBG);
|
|---|
| 125 | void paintSecureLabel(int x, int y, int w, int h, bool fForce);
|
|---|
| 126 | #endif
|
|---|
| 127 | void setWinId(int64_t winId) { mWinId = winId; }
|
|---|
| 128 | void setOrigin(int32_t axOrigin, int32_t ayOrigin) { mOriginX = axOrigin; mOriginY = ayOrigin; }
|
|---|
| 129 | bool getFullscreen() { return mfFullscreen; }
|
|---|
| 130 |
|
|---|
| 131 | private:
|
|---|
| 132 | /** current SDL framebuffer pointer (also includes screen width/height) */
|
|---|
| 133 | SDL_Surface *mScreen;
|
|---|
| 134 | #ifdef VBOX_WITH_SDL13
|
|---|
| 135 | /** the SDL window */
|
|---|
| 136 | SDL_WindowID mWindow;
|
|---|
| 137 | /** the texture */
|
|---|
| 138 | SDL_TextureID mTexture;
|
|---|
| 139 | /** render info */
|
|---|
| 140 | SDL_RendererInfo mRenderInfo;
|
|---|
| 141 | #endif
|
|---|
| 142 | /** false if constructor failed */
|
|---|
| 143 | bool mfInitialized;
|
|---|
| 144 | /** the screen number of this framebuffer */
|
|---|
| 145 | uint32_t mScreenId;
|
|---|
| 146 | /** maximum possible screen width in pixels (~0 = no restriction) */
|
|---|
| 147 | uint32_t mMaxScreenWidth;
|
|---|
| 148 | /** maximum possible screen height in pixels (~0 = no restriction) */
|
|---|
| 149 | uint32_t mMaxScreenHeight;
|
|---|
| 150 | /** current guest screen width in pixels */
|
|---|
| 151 | ULONG mGuestXRes;
|
|---|
| 152 | /** current guest screen height in pixels */
|
|---|
| 153 | ULONG mGuestYRes;
|
|---|
| 154 | int32_t mOriginX;
|
|---|
| 155 | int32_t mOriginY;
|
|---|
| 156 | /** fixed SDL screen width (~0 = not set) */
|
|---|
| 157 | uint32_t mFixedSDLWidth;
|
|---|
| 158 | /** fixed SDL screen height (~0 = not set) */
|
|---|
| 159 | uint32_t mFixedSDLHeight;
|
|---|
| 160 | /** fixed SDL bits per pixel (~0 = not set) */
|
|---|
| 161 | uint32_t mFixedSDLBPP;
|
|---|
| 162 | /** Y offset in pixels, i.e. guest-nondrawable area at the top */
|
|---|
| 163 | uint32_t mTopOffset;
|
|---|
| 164 | /** X offset for guest screen centering */
|
|---|
| 165 | uint32_t mCenterXOffset;
|
|---|
| 166 | /** Y offset for guest screen centering */
|
|---|
| 167 | uint32_t mCenterYOffset;
|
|---|
| 168 | /** flag whether we're in fullscreen mode */
|
|---|
| 169 | bool mfFullscreen;
|
|---|
| 170 | /** flag whether we keep the host screen resolution when switching to
|
|---|
| 171 | * fullscreen or not */
|
|---|
| 172 | bool mfKeepHostRes;
|
|---|
| 173 | /** framebuffer update semaphore */
|
|---|
| 174 | RTCRITSECT mUpdateLock;
|
|---|
| 175 | /** flag whether the SDL window should be resizable */
|
|---|
| 176 | bool mfResizable;
|
|---|
| 177 | /** flag whether we print out SDL information */
|
|---|
| 178 | bool mfShowSDLConfig;
|
|---|
| 179 | /** handle to window where framebuffer context is being drawn*/
|
|---|
| 180 | int64_t mWinId;
|
|---|
| 181 | #ifdef VBOX_SECURELABEL
|
|---|
| 182 | /** current secure label text */
|
|---|
| 183 | Utf8Str mSecureLabelText;
|
|---|
| 184 | /** current secure label foreground color (RGB) */
|
|---|
| 185 | uint32_t mSecureLabelColorFG;
|
|---|
| 186 | /** current secure label background color (RGB) */
|
|---|
| 187 | uint32_t mSecureLabelColorBG;
|
|---|
| 188 | /** secure label font handle */
|
|---|
| 189 | TTF_Font *mLabelFont;
|
|---|
| 190 | /** secure label height in pixels */
|
|---|
| 191 | uint32_t mLabelHeight;
|
|---|
| 192 | /** secure label offset from the top of the secure label */
|
|---|
| 193 | uint32_t mLabelOffs;
|
|---|
| 194 |
|
|---|
| 195 | #endif
|
|---|
| 196 | #ifdef RT_OS_WINDOWS
|
|---|
| 197 | long refcnt;
|
|---|
| 198 | #endif
|
|---|
| 199 | SDL_Surface *mSurfVRAM;
|
|---|
| 200 |
|
|---|
| 201 | BYTE *mPtrVRAM;
|
|---|
| 202 | ULONG mBitsPerPixel;
|
|---|
| 203 | ULONG mBytesPerLine;
|
|---|
| 204 | BOOL mfSameSizeRequested;
|
|---|
| 205 |
|
|---|
| 206 | ComPtr<IDisplaySourceBitmap> mpSourceBitmap;
|
|---|
| 207 | ComPtr<IDisplaySourceBitmap> mpPendingSourceBitmap;
|
|---|
| 208 | bool mfUpdates;
|
|---|
| 209 | };
|
|---|
| 210 |
|
|---|
| 211 | class VBoxSDLFBOverlay :
|
|---|
| 212 | public IFramebufferOverlay
|
|---|
| 213 | {
|
|---|
| 214 | public:
|
|---|
| 215 | VBoxSDLFBOverlay(ULONG x, ULONG y, ULONG width, ULONG height, BOOL visible,
|
|---|
| 216 | VBoxSDLFB *aParent);
|
|---|
| 217 | virtual ~VBoxSDLFBOverlay();
|
|---|
| 218 |
|
|---|
| 219 | #ifdef RT_OS_WINDOWS
|
|---|
| 220 | STDMETHOD_(ULONG, AddRef)()
|
|---|
| 221 | {
|
|---|
| 222 | return ::InterlockedIncrement (&refcnt);
|
|---|
| 223 | }
|
|---|
| 224 | STDMETHOD_(ULONG, Release)()
|
|---|
| 225 | {
|
|---|
| 226 | long cnt = ::InterlockedDecrement (&refcnt);
|
|---|
| 227 | if (cnt == 0)
|
|---|
| 228 | delete this;
|
|---|
| 229 | return cnt;
|
|---|
| 230 | }
|
|---|
| 231 | #endif
|
|---|
| 232 | VBOX_SCRIPTABLE_DISPATCH_IMPL(IFramebuffer)
|
|---|
| 233 |
|
|---|
| 234 | NS_DECL_ISUPPORTS
|
|---|
| 235 |
|
|---|
| 236 | STDMETHOD(COMGETTER(X))(ULONG *x);
|
|---|
| 237 | STDMETHOD(COMGETTER(Y))(ULONG *y);
|
|---|
| 238 | STDMETHOD(COMGETTER(Width))(ULONG *width);
|
|---|
| 239 | STDMETHOD(COMGETTER(Height))(ULONG *height);
|
|---|
| 240 | STDMETHOD(COMGETTER(Visible))(BOOL *visible);
|
|---|
| 241 | STDMETHOD(COMSETTER(Visible))(BOOL visible);
|
|---|
| 242 | STDMETHOD(COMGETTER(Alpha))(ULONG *alpha);
|
|---|
| 243 | STDMETHOD(COMSETTER(Alpha))(ULONG alpha);
|
|---|
| 244 | STDMETHOD(COMGETTER(Address))(ULONG *address);
|
|---|
| 245 | STDMETHOD(COMGETTER(BytesPerLine))(ULONG *bytesPerLine);
|
|---|
| 246 |
|
|---|
| 247 | /* These are not used, or return standard values. */
|
|---|
| 248 | STDMETHOD(COMGETTER(BitsPerPixel))(ULONG *bitsPerPixel);
|
|---|
| 249 | STDMETHOD(COMGETTER(PixelFormat)) (ULONG *pixelFormat);
|
|---|
| 250 | STDMETHOD(COMGETTER(UsesGuestVRAM)) (BOOL *usesGuestVRAM);
|
|---|
| 251 | STDMETHOD(COMGETTER(HeightReduction)) (ULONG *heightReduction);
|
|---|
| 252 | STDMETHOD(COMGETTER(Overlay)) (IFramebufferOverlay **aOverlay);
|
|---|
| 253 | STDMETHOD(COMGETTER(WinId)) (LONG64 *winId);
|
|---|
| 254 |
|
|---|
| 255 | STDMETHOD(Lock)();
|
|---|
| 256 | STDMETHOD(Unlock)();
|
|---|
| 257 | STDMETHOD(Move)(ULONG x, ULONG y);
|
|---|
| 258 | STDMETHOD(NotifyUpdate)(ULONG x, ULONG y, ULONG w, ULONG h);
|
|---|
| 259 | STDMETHOD(RequestResize)(ULONG aScreenId, ULONG pixelFormat, ULONG vram,
|
|---|
| 260 | ULONG bitsPerPixel, ULONG bytesPerLine,
|
|---|
| 261 | ULONG w, ULONG h, BOOL *finished);
|
|---|
| 262 | STDMETHOD(VideoModeSupported)(ULONG width, ULONG height, ULONG bpp, BOOL *supported);
|
|---|
| 263 |
|
|---|
| 264 | // internal public methods
|
|---|
| 265 | HRESULT init();
|
|---|
| 266 |
|
|---|
| 267 | private:
|
|---|
| 268 | /** Overlay X offset */
|
|---|
| 269 | ULONG mOverlayX;
|
|---|
| 270 | /** Overlay Y offset */
|
|---|
| 271 | ULONG mOverlayY;
|
|---|
| 272 | /** Overlay width */
|
|---|
| 273 | ULONG mOverlayWidth;
|
|---|
| 274 | /** Overlay height */
|
|---|
| 275 | ULONG mOverlayHeight;
|
|---|
| 276 | /** Whether the overlay is currently active */
|
|---|
| 277 | BOOL mOverlayVisible;
|
|---|
| 278 | /** The parent IFramebuffer */
|
|---|
| 279 | VBoxSDLFB *mParent;
|
|---|
| 280 | /** SDL surface containing the actual framebuffer bits */
|
|---|
| 281 | SDL_Surface *mOverlayBits;
|
|---|
| 282 | /** Additional SDL surface used for combining the framebuffer and the overlay */
|
|---|
| 283 | SDL_Surface *mBlendedBits;
|
|---|
| 284 | #ifdef RT_OS_WINDOWS
|
|---|
| 285 | long refcnt;
|
|---|
| 286 | #endif
|
|---|
| 287 | };
|
|---|
| 288 |
|
|---|
| 289 | #endif // __H_FRAMEBUFFER
|
|---|
