diff options
Diffstat (limited to 'xorg-server/dbe/dbestruct.h')
| -rw-r--r-- | xorg-server/dbe/dbestruct.h | 411 |
1 files changed, 197 insertions, 214 deletions
diff --git a/xorg-server/dbe/dbestruct.h b/xorg-server/dbe/dbestruct.h index 089719ba7..9ea9eb695 100644 --- a/xorg-server/dbe/dbestruct.h +++ b/xorg-server/dbe/dbestruct.h @@ -1,214 +1,197 @@ -/******************************************************************************
- *
- * 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 */
+/****************************************************************************** + * + * 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 */ |