1 files changed, 92 insertions, 0 deletions
diff --git a/src/VBox/Frontends/VBoxFB/Framebuffer.h b/src/VBox/Frontends/VBoxFB/Framebuffer.h
new file mode 100644
index 00000000..5231ae85
--- /dev/null
+++ b/src/VBox/Frontends/VBoxFB/Framebuffer.h
@@ -0,0 +1,92 @@
+/* $Id: Framebuffer.h $ */
+/** @file
+ * VBoxFB - Declaration of VBoxDirectFB class.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h
+#define VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "VBoxFB.h"
+
+class VBoxDirectFB : public IFramebuffer
+{
+public:
+    VBoxDirectFB(IDirectFB *aDFB, IDirectFBSurface *aSurface);
+    virtual ~VBoxDirectFB();
+
+    NS_DECL_ISUPPORTS
+
+    NS_IMETHOD GetWidth(PRUint32 *width);
+    NS_IMETHOD GetHeight(PRUint32 *height);
+    NS_IMETHOD GetBitsPerPixel(PRUint32 *bitsPerPixel);
+    NS_IMETHOD GetBytesPerLine(PRUint32 *bytesPerLine);
+    NS_IMETHOD GetPixelFormat(PRUint32 *pixelFormat);
+    NS_IMETHOD GetHeightReduction(PRUint32 *heightReduction);
+    NS_IMETHOD GetOverlay(IFramebufferOverlay **aOverlay);
+    NS_IMETHOD GetWinId(PRInt64 *winId);
+    NS_IMETHOD GetCapabilities(PRUint32 *pcCapabilites, FramebufferCapabilities_T **ppaenmCapabilities);
+
+    NS_IMETHOD NotifyUpdate(PRUint32 x, PRUint32 y, PRUint32 cx, PRUint32 cy);
+    NS_IMETHOD NotifyUpdateImage(PRUint32 x, PRUint32 y, PRUint32 cx, PRUint32 cy, PRUint32 cbImage, PRUint8 *pbImage);
+    NS_IMETHOD NotifyChange(PRUint32 idScreen, PRUint32 xOrigin, PRUint32 yOrigin, PRUint32 cx, PRUint32 cy);
+    NS_IMETHOD VideoModeSupported(PRUint32 width, PRUint32 height, PRUint32 bpp, PRBool *supported);
+    NS_IMETHOD GetVisibleRegion(PRUint8 *paRectangles, PRUint32 cRectangles, PRUint32 *pcCopied);
+    NS_IMETHOD SetVisibleRegion(PRUint8 *paRectangles, PRUint32 cRectangles);
+
+    NS_IMETHOD ProcessVHWACommand(PRUint8 *pCommand, LONG enmCmd, BOOL fGuestCmd);
+
+    NS_IMETHOD Notify3DEvent(PRUint32 type, PRUint32 cbData, PRUint8 *pbData);
+
+    /// @todo obsolete?
+    NS_IMETHOD GetAddress(PRUint8 **address);
+    NS_IMETHOD Lock();
+    NS_IMETHOD Unlock();
+    NS_IMETHOD GetUsesGuestVRAM(PRBool *usesGuestVRAM);
+    NS_IMETHOD RequestResize(PRUint32 aScreenId, PRUint32 pixelFormat, PRUint8 *vram,
+                             PRUint32 bitsPerPixel, PRUint32 bytesPerLine,
+                             PRUint32 w, PRUint32 h,
+                             PRBool *finished);
+
+private:
+    int createSurface(uint32_t w, uint32_t h);
+
+    IDirectFB *dfb;
+    IDirectFBSurface *surface;
+    uint32_t screenWidth;
+    uint32_t screenHeight;
+    IDirectFBSurface *fbInternalSurface;
+    void *fbBufferAddress;
+    uint32_t fbWidth;
+    uint32_t fbHeight;
+    uint32_t fbPitch;
+    int fbSurfaceLocked;
+};
+
+
+#endif /* !VBOX_INCLUDED_SRC_VBoxFB_Framebuffer_h */
+