Add Distributed Multihead X (DMX) support

1 files changed, 149 insertions, 0 deletions

diff --git a/hw/dmx/dmxwindow.h b/hw/dmx/dmxwindow.h
new file mode 100644
index 000000000..e6302fe3f
--- /dev/null
+++ b/hw/dmx/dmxwindow.h
@@ -0,0 +1,149 @@
+/* $XFree86$ */
+/*
+ * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ * Interface for window support.  \see dmxwindow.c */
+
+#ifndef DMXWINDOW_H
+#define DMXWINDOW_H
+
+#include "windowstr.h"
+
+/** Window private area. */
+typedef struct _dmxWinPriv {
+    Window         window;
+    Bool           offscreen;
+    Bool           mapped;
+    Bool           restacked;
+    unsigned long  attribMask;
+    Colormap       cmap;
+    Visual        *visual;
+#ifdef SHAPE
+    Bool           isShaped;
+#endif
+#ifdef RENDER
+    Bool           hasPict;
+#endif
+#ifdef GLXEXT
+    void          *swapGroup;
+    int            barrier;
+    void         (*windowDestroyed)(WindowPtr);
+    void         (*windowUnmapped)(WindowPtr);
+#endif
+} dmxWinPrivRec, *dmxWinPrivPtr;
+
+
+extern Bool dmxInitWindow(ScreenPtr pScreen);
+
+extern Window dmxCreateRootWindow(WindowPtr pWindow);
+
+extern void dmxGetDefaultWindowAttributes(WindowPtr pWindow,
+					  Colormap *cmap,
+					  Visual **visual);
+extern void dmxCreateAndRealizeWindow(WindowPtr pWindow, Bool doSync);
+
+extern Bool dmxCreateWindow(WindowPtr pWindow);
+extern Bool dmxDestroyWindow(WindowPtr pWindow);
+extern Bool dmxPositionWindow(WindowPtr pWindow, int x, int y);
+extern Bool dmxChangeWindowAttributes(WindowPtr pWindow, unsigned long mask);
+extern Bool dmxRealizeWindow(WindowPtr pWindow);
+extern Bool dmxUnrealizeWindow(WindowPtr pWindow);
+extern void dmxRestackWindow(WindowPtr pWindow, WindowPtr pOldNextSib);
+extern void dmxWindowExposures(WindowPtr pWindow, RegionPtr prgn,
+			       RegionPtr other_exposed);
+extern void dmxPaintWindowBackground(WindowPtr pWindow, RegionPtr pRegion,
+				     int what);
+extern void dmxPaintWindowBorder(WindowPtr pWindow, RegionPtr pRegion,
+				 int what);
+extern void dmxCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg,
+			  RegionPtr prgnSrc);
+
+extern void dmxResizeWindow(WindowPtr pWindow, int x, int y,
+			    unsigned int w, unsigned int h, WindowPtr pSib);
+extern void dmxReparentWindow(WindowPtr pWindow, WindowPtr pPriorParent);
+
+extern void dmxChangeBorderWidth(WindowPtr pWindow, unsigned int width);
+
+extern void dmxResizeScreenWindow(ScreenPtr pScreen,
+				  int x, int y, int w, int h);
+extern void dmxResizeRootWindow(WindowPtr pRoot,
+				int x, int y, int w, int h);
+
+extern Bool dmxBEDestroyWindow(WindowPtr pWindow);
+
+#ifdef SHAPE
+/* Support for shape extension */
+extern void dmxSetShape(WindowPtr pWindow);
+#endif
+
+/** Private index.  \see dmxwindow.c \see dmxscrinit.c */
+extern int dmxWinPrivateIndex;
+
+/** Get window private pointer. */
+#define DMX_GET_WINDOW_PRIV(_pWin)					\
+    ((dmxWinPrivPtr)(_pWin)->devPrivates[dmxWinPrivateIndex].ptr)
+
+/* All of these macros are only used in dmxwindow.c */
+#define DMX_WINDOW_FUNC_PROLOGUE(_pGC)					\
+do {									\
+    dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
+    DMX_UNWRAP(funcs, pGCPriv, (_pGC));					\
+    if (pGCPriv->ops)							\
+	DMX_UNWRAP(ops, pGCPriv, (_pGC));				\
+} while (0)
+
+#define DMX_WINDOW_FUNC_EPILOGUE(_pGC)					\
+do {									\
+    dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
+    DMX_WRAP(funcs, &dmxGCFuncs, pGCPriv, (_pGC));			\
+    if (pGCPriv->ops)							\
+	DMX_WRAP(ops, &dmxGCOps, pGCPriv, (_pGC));			\
+} while (0)
+
+#define DMX_WINDOW_X1(_pWin)						\
+    ((_pWin)->drawable.x - wBorderWidth(_pWin))
+#define DMX_WINDOW_Y1(_pWin)						\
+    ((_pWin)->drawable.y - wBorderWidth(_pWin))
+#define DMX_WINDOW_X2(_pWin)						\
+    ((_pWin)->drawable.x + wBorderWidth(_pWin) + (_pWin)->drawable.width) 
+#define DMX_WINDOW_Y2(_pWin)						\
+    ((_pWin)->drawable.y + wBorderWidth(_pWin) + (_pWin)->drawable.height) 
+
+#define DMX_WINDOW_OFFSCREEN(_pWin)					\
+    (DMX_WINDOW_X1(_pWin) >= (_pWin)->drawable.pScreen->width  ||	\
+     DMX_WINDOW_Y1(_pWin) >= (_pWin)->drawable.pScreen->height ||	\
+     DMX_WINDOW_X2(_pWin) <= 0                                 ||	\
+     DMX_WINDOW_Y2(_pWin) <= 0)
+
+#endif /* DMXWINDOW_H */