| 1 | /** @file
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| 2 | * VBoxFB - Declaration of VBoxDirectFB class.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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| 24 | * SPDX-License-Identifier: GPL-3.0-only
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| 25 | */
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| 26 |
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| 27 | #ifndef VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h
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| 28 | #define VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include "VBoxFB.h"
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| 34 |
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| 35 | class VBoxDirectFB : public IFramebuffer
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| 36 | {
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| 37 | public:
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| 38 | VBoxDirectFB(IDirectFB *aDFB, IDirectFBSurface *aSurface);
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| 39 | virtual ~VBoxDirectFB();
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| 40 |
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| 41 | NS_DECL_ISUPPORTS
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| 42 |
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| 43 | NS_IMETHOD GetWidth(PRUint32 *width);
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| 44 | NS_IMETHOD GetHeight(PRUint32 *height);
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| 45 | NS_IMETHOD Lock();
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| 46 | NS_IMETHOD Unlock();
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| 47 | NS_IMETHOD GetAddress(PRUint8 **address);
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| 48 | NS_IMETHOD GetBitsPerPixel(PRUint32 *bitsPerPixel);
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| 49 | NS_IMETHOD GetBytesPerLine(PRUint32 *bytesPerLine);
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| 50 | NS_IMETHOD GetPixelFormat(PRUint32 *pixelFormat);
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| 51 | NS_IMETHOD GetUsesGuestVRAM(PRBool *usesGuestVRAM);
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| 52 | NS_IMETHOD GetHeightReduction(PRUint32 *heightReduction);
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| 53 | NS_IMETHOD GetOverlay(IFramebufferOverlay **aOverlay);
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| 54 | NS_IMETHOD GetWinId(PRUint64 *winId);
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| 55 | NS_IMETHOD NotifyUpdate(PRUint32 x, PRUint32 y, PRUint32 w, PRUint32 h);
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| 56 | NS_IMETHOD RequestResize(PRUint32 aScreenId, PRUint32 pixelFormat, PRUint8 *vram,
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| 57 | PRUint32 bitsPerPixel, PRUint32 bytesPerLine,
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| 58 | PRUint32 w, PRUint32 h,
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| 59 | PRBool *finished);
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| 60 | NS_IMETHOD VideoModeSupported(PRUint32 width, PRUint32 height, PRUint32 bpp, PRBool *supported);
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| 61 | NS_IMETHOD GetVisibleRegion(PRUint8 *aRectangles, PRUint32 aCount, PRUint32 *aCountCopied);
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| 62 | NS_IMETHOD SetVisibleRegion(PRUint8 *aRectangles, PRUint32 aCount);
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| 63 |
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| 64 | NS_IMETHOD ProcessVHWACommand(PRUint8 *pCommand, LONG enmCmd, BOOL fGuestCmd);
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| 65 |
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| 66 | NS_IMETHOD Notify3DEvent(PRUint32 type, PRUint8 *reserved);
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| 67 | private:
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| 68 | int createSurface(uint32_t w, uint32_t h);
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| 69 |
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| 70 | IDirectFB *dfb;
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| 71 | IDirectFBSurface *surface;
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| 72 | uint32_t screenWidth;
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| 73 | uint32_t screenHeight;
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| 74 | IDirectFBSurface *fbInternalSurface;
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| 75 | void *fbBufferAddress;
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| 76 | uint32_t fbWidth;
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| 77 | uint32_t fbHeight;
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| 78 | uint32_t fbPitch;
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| 79 | int fbSurfaceLocked;
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| 80 | };
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| 81 |
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| 82 |
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| 83 | #endif /* !VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h */
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| 84 |
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