diff options
Diffstat (limited to 'xorg-server/dbe/dbestruct.h')
| -rw-r--r-- | xorg-server/dbe/dbestruct.h | 436 |
1 files changed, 214 insertions, 222 deletions
diff --git a/xorg-server/dbe/dbestruct.h b/xorg-server/dbe/dbestruct.h index ba6b56d79..089719ba7 100644 --- a/xorg-server/dbe/dbestruct.h +++ b/xorg-server/dbe/dbestruct.h @@ -1,222 +1,214 @@ -/****************************************************************************** - * - * Copyright (c) 1994, 1995 Hewlett-Packard Company - * - * 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 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 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 NONINFRINGEMENT. - * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY 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. - * - * Except as contained in this notice, the name of the Hewlett-Packard - * Company shall not be used in advertising or otherwise to promote the - * sale, use or other dealings in this Software without prior written - * authorization from the Hewlett-Packard Company. - * - * Header file for DIX-related DBE - * - *****************************************************************************/ - -#ifndef DBE_STRUCT_H -#define DBE_STRUCT_H - - -/* INCLUDES */ - -#define NEED_DBE_PROTOCOL -#include <X11/extensions/dbeproto.h> -#include "windowstr.h" -#include "privates.h" - -typedef struct -{ - VisualID visual; /* one visual ID that supports double-buffering */ - int depth; /* depth of visual in bits */ - int perflevel; /* performance level of visual */ -} -XdbeVisualInfo; - -typedef struct -{ - int count; /* number of items in visual_depth */ - XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */ -} -XdbeScreenVisualInfo; - -/* DEFINES */ - -#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \ - dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey)) - -#define DBE_SCREEN_PRIV_FROM_DRAWABLE(pDrawable) \ - DBE_SCREEN_PRIV((pDrawable)->pScreen) - -#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \ - DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen) - -#define DBE_SCREEN_PRIV_FROM_WINDOW(pWindow) \ - DBE_SCREEN_PRIV((pWindow)->drawable.pScreen) - -#define DBE_SCREEN_PRIV_FROM_PIXMAP(pPixmap) \ - DBE_SCREEN_PRIV((pPixmap)->drawable.pScreen) - -#define DBE_SCREEN_PRIV_FROM_GC(pGC)\ - DBE_SCREEN_PRIV((pGC)->pScreen) - -#define DBE_WINDOW_PRIV(pWin) ((DbeWindowPrivPtr) \ - dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey)) - -/* Initial size of the buffer ID array in the window priv. */ -#define DBE_INIT_MAX_IDS 2 - -/* Reallocation increment for the buffer ID array. */ -#define DBE_INCR_MAX_IDS 4 - -/* Marker for free elements in the buffer ID array. */ -#define DBE_FREE_ID_ELEMENT 0 - -extern _X_EXPORT void DbeExtensionInit (void); - -/* TYPEDEFS */ - -/* Record used to pass swap information between DIX and DDX swapping - * procedures. - */ -typedef struct _DbeSwapInfoRec -{ - WindowPtr pWindow; - unsigned char swapAction; - -} DbeSwapInfoRec, *DbeSwapInfoPtr; - -/* - ****************************************************************************** - ** Per-window data - ****************************************************************************** - */ - -typedef struct _DbeWindowPrivRec -{ - /* A pointer to the window with which the DBE window private (buffer) is - * associated. - */ - WindowPtr pWindow; - - /* Last known swap action for this buffer. Legal values for this field - * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied. - */ - unsigned char swapAction; - - /* Last known buffer size. - */ - unsigned short width, height; - - /* Coordinates used for static gravity when the window is positioned. - */ - short x, y; - - /* Number of XIDs associated with this buffer. - */ - int nBufferIDs; - - /* Capacity of the current buffer ID array, IDs. */ - int maxAvailableIDs; - - /* Pointer to the array of buffer IDs. This initially points to initIDs. - * When the static limit of the initIDs array is reached, the array is - * reallocated and this pointer is set to the new array instead of initIDs. - */ - XID *IDs; - - /* Initial array of buffer IDs. We are defining the XID array within the - * window priv to optimize for data locality. In most cases, only one - * buffer will be associated with a window. Having the array declared - * here can prevent us from accessing the data in another memory page, - * possibly resulting in a page swap and loss of performance. Initially we - * will use this array to store buffer IDs. For situations where we have - * more IDs than can fit in this static array, we will allocate a larger - * array to use, possibly suffering a performance loss. - */ - XID initIDs[DBE_INIT_MAX_IDS]; - - /* Device-specific private information. - */ - PrivateRec *devPrivates; - -} DbeWindowPrivRec, *DbeWindowPrivPtr; - - -/* - ****************************************************************************** - ** Per-screen data - ****************************************************************************** - */ - -typedef struct _DbeScreenPrivRec -{ - /* Resources created by DIX to be used by DDX */ - RESTYPE dbeDrawableResType; - RESTYPE dbeWindowPrivResType; - - /* Private indices created by DIX to be used by DDX */ - DevPrivateKey dbeScreenPrivKey; - DevPrivateKey dbeWindowPrivKey; - - /* Wrapped functions - * It is the responsibilty of the DDX layer to wrap PositionWindow(). - * DbeExtensionInit wraps DestroyWindow(). - */ - PositionWindowProcPtr PositionWindow; - DestroyWindowProcPtr DestroyWindow; - - /* Per-screen DIX routines */ - Bool (*SetupBackgroundPainter)( - WindowPtr /*pWin*/, - GCPtr /*pGC*/ -); - - /* Per-screen DDX routines */ - Bool (*GetVisualInfo)( - ScreenPtr /*pScreen*/, - XdbeScreenVisualInfo * /*pVisInfo*/ -); - int (*AllocBackBufferName)( - WindowPtr /*pWin*/, - XID /*bufId*/, - int /*swapAction*/ -); - int (*SwapBuffers)( - ClientPtr /*client*/, - int * /*pNumWindows*/, - DbeSwapInfoPtr /*swapInfo*/ -); - void (*BeginIdiom)( - ClientPtr /*client*/ -); - void (*EndIdiom)( - ClientPtr /*client*/ -); - void (*WinPrivDelete)( - DbeWindowPrivPtr /*pDbeWindowPriv*/, - XID /*bufId*/ -); - void (*ResetProc)( - ScreenPtr /*pScreen*/ -); - -} DbeScreenPrivRec, *DbeScreenPrivPtr; - -#endif /* DBE_STRUCT_H */ +/******************************************************************************
+ *
+ * Copyright (c) 1994, 1995 Hewlett-Packard Company
+ *
+ * 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 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 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY 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.
+ *
+ * Except as contained in this notice, the name of the Hewlett-Packard
+ * Company shall not be used in advertising or otherwise to promote the
+ * sale, use or other dealings in this Software without prior written
+ * authorization from the Hewlett-Packard Company.
+ *
+ * Header file for DIX-related DBE
+ *
+ *****************************************************************************/
+
+#ifndef DBE_STRUCT_H
+#define DBE_STRUCT_H
+
+
+/* INCLUDES */
+
+#define NEED_DBE_PROTOCOL
+#include <X11/extensions/dbeproto.h>
+#include "windowstr.h"
+#include "privates.h"
+
+typedef struct
+{
+ VisualID visual; /* one visual ID that supports double-buffering */
+ int depth; /* depth of visual in bits */
+ int perflevel; /* performance level of visual */
+}
+XdbeVisualInfo;
+
+typedef struct
+{
+ int count; /* number of items in visual_depth */
+ XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
+}
+XdbeScreenVisualInfo;
+
+/* DEFINES */
+
+#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \
+ dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey))
+
+#define DBE_SCREEN_PRIV_FROM_DRAWABLE(pDrawable) \
+ DBE_SCREEN_PRIV((pDrawable)->pScreen)
+
+#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \
+ DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen)
+
+#define DBE_SCREEN_PRIV_FROM_WINDOW(pWindow) \
+ DBE_SCREEN_PRIV((pWindow)->drawable.pScreen)
+
+#define DBE_SCREEN_PRIV_FROM_PIXMAP(pPixmap) \
+ DBE_SCREEN_PRIV((pPixmap)->drawable.pScreen)
+
+#define DBE_SCREEN_PRIV_FROM_GC(pGC)\
+ DBE_SCREEN_PRIV((pGC)->pScreen)
+
+#define DBE_WINDOW_PRIV(pWin) ((DbeWindowPrivPtr) \
+ dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey))
+
+/* Initial size of the buffer ID array in the window priv. */
+#define DBE_INIT_MAX_IDS 2
+
+/* Reallocation increment for the buffer ID array. */
+#define DBE_INCR_MAX_IDS 4
+
+/* Marker for free elements in the buffer ID array. */
+#define DBE_FREE_ID_ELEMENT 0
+
+extern _X_EXPORT void DbeExtensionInit (void);
+
+/* TYPEDEFS */
+
+/* Record used to pass swap information between DIX and DDX swapping
+ * procedures.
+ */
+typedef struct _DbeSwapInfoRec
+{
+ WindowPtr pWindow;
+ unsigned char swapAction;
+
+} DbeSwapInfoRec, *DbeSwapInfoPtr;
+
+/*
+ ******************************************************************************
+ ** Per-window data
+ ******************************************************************************
+ */
+
+typedef struct _DbeWindowPrivRec
+{
+ /* A pointer to the window with which the DBE window private (buffer) is
+ * associated.
+ */
+ WindowPtr pWindow;
+
+ /* Last known swap action for this buffer. Legal values for this field
+ * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied.
+ */
+ unsigned char swapAction;
+
+ /* Last known buffer size.
+ */
+ unsigned short width, height;
+
+ /* Coordinates used for static gravity when the window is positioned.
+ */
+ short x, y;
+
+ /* Number of XIDs associated with this buffer.
+ */
+ int nBufferIDs;
+
+ /* Capacity of the current buffer ID array, IDs. */
+ int maxAvailableIDs;
+
+ /* Pointer to the array of buffer IDs. This initially points to initIDs.
+ * When the static limit of the initIDs array is reached, the array is
+ * reallocated and this pointer is set to the new array instead of initIDs.
+ */
+ XID *IDs;
+
+ /* Initial array of buffer IDs. We are defining the XID array within the
+ * window priv to optimize for data locality. In most cases, only one
+ * buffer will be associated with a window. Having the array declared
+ * here can prevent us from accessing the data in another memory page,
+ * possibly resulting in a page swap and loss of performance. Initially we
+ * will use this array to store buffer IDs. For situations where we have
+ * more IDs than can fit in this static array, we will allocate a larger
+ * array to use, possibly suffering a performance loss.
+ */
+ XID initIDs[DBE_INIT_MAX_IDS];
+
+ /* Device-specific private information.
+ */
+ PrivateRec *devPrivates;
+
+} DbeWindowPrivRec, *DbeWindowPrivPtr;
+
+
+/*
+ ******************************************************************************
+ ** Per-screen data
+ ******************************************************************************
+ */
+
+typedef struct _DbeScreenPrivRec
+{
+ /* Wrapped functions
+ * It is the responsibilty of the DDX layer to wrap PositionWindow().
+ * DbeExtensionInit wraps DestroyWindow().
+ */
+ PositionWindowProcPtr PositionWindow;
+ DestroyWindowProcPtr DestroyWindow;
+
+ /* Per-screen DIX routines */
+ Bool (*SetupBackgroundPainter)(
+ WindowPtr /*pWin*/,
+ GCPtr /*pGC*/
+);
+
+ /* Per-screen DDX routines */
+ Bool (*GetVisualInfo)(
+ ScreenPtr /*pScreen*/,
+ XdbeScreenVisualInfo * /*pVisInfo*/
+);
+ int (*AllocBackBufferName)(
+ WindowPtr /*pWin*/,
+ XID /*bufId*/,
+ int /*swapAction*/
+);
+ int (*SwapBuffers)(
+ ClientPtr /*client*/,
+ int * /*pNumWindows*/,
+ DbeSwapInfoPtr /*swapInfo*/
+);
+ void (*BeginIdiom)(
+ ClientPtr /*client*/
+);
+ void (*EndIdiom)(
+ ClientPtr /*client*/
+);
+ void (*WinPrivDelete)(
+ DbeWindowPrivPtr /*pDbeWindowPriv*/,
+ XID /*bufId*/
+);
+ void (*ResetProc)(
+ ScreenPtr /*pScreen*/
+);
+
+} DbeScreenPrivRec, *DbeScreenPrivPtr;
+
+#endif /* DBE_STRUCT_H */
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