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Diffstat (limited to 'xorg-server/miext/rootless/rootlessCommon.h')
| -rw-r--r-- | xorg-server/miext/rootless/rootlessCommon.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/xorg-server/miext/rootless/rootlessCommon.h b/xorg-server/miext/rootless/rootlessCommon.h new file mode 100644 index 000000000..9e4a14a04 --- /dev/null +++ b/xorg-server/miext/rootless/rootlessCommon.h @@ -0,0 +1,286 @@ +/* + * Common internal rootless definitions and code + */ +/* + * Copyright (c) 2001 Greg Parker. All Rights Reserved. + * Copyright (c) 2002-2004 Torrey T. Lyons. 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 + * 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 + * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdint.h> +#ifndef _ROOTLESSCOMMON_H +#define _ROOTLESSCOMMON_H + +#include "rootless.h" +#include "fb.h" + +#ifdef SHAPE +#include "scrnintstr.h" +#endif /* SHAPE */ + +#ifdef RENDER +#include "picturestr.h" +#endif + + +// Debug output, or not. +#ifdef ROOTLESSDEBUG +#define RL_DEBUG_MSG ErrorF +#else +#define RL_DEBUG_MSG(a, ...) +#endif + + +// Global variables +extern DevPrivateKey rootlessGCPrivateKey; +extern DevPrivateKey rootlessScreenPrivateKey; +extern DevPrivateKey rootlessWindowPrivateKey; +extern DevPrivateKey rootlessWindowOldPixmapPrivateKey; + + +// RootlessGCRec: private per-gc data +typedef struct { + GCFuncs *originalFuncs; + GCOps *originalOps; +} RootlessGCRec; + + +// RootlessScreenRec: per-screen private data +typedef struct _RootlessScreenRec { + // Rootless implementation functions + RootlessFrameProcsPtr imp; + + // Wrapped screen functions + CreateScreenResourcesProcPtr CreateScreenResources; + CloseScreenProcPtr CloseScreen; + + CreateWindowProcPtr CreateWindow; + DestroyWindowProcPtr DestroyWindow; + RealizeWindowProcPtr RealizeWindow; + UnrealizeWindowProcPtr UnrealizeWindow; + MoveWindowProcPtr MoveWindow; + ResizeWindowProcPtr ResizeWindow; + RestackWindowProcPtr RestackWindow; + ReparentWindowProcPtr ReparentWindow; + ChangeBorderWidthProcPtr ChangeBorderWidth; + PositionWindowProcPtr PositionWindow; + ChangeWindowAttributesProcPtr ChangeWindowAttributes; + + CreateGCProcPtr CreateGC; + CopyWindowProcPtr CopyWindow; + GetImageProcPtr GetImage; + SourceValidateProcPtr SourceValidate; + + MarkOverlappedWindowsProcPtr MarkOverlappedWindows; + ValidateTreeProcPtr ValidateTree; + +#ifdef SHAPE + SetShapeProcPtr SetShape; +#endif + +#ifdef RENDER + CompositeProcPtr Composite; + GlyphsProcPtr Glyphs; +#endif + + InstallColormapProcPtr InstallColormap; + UninstallColormapProcPtr UninstallColormap; + StoreColorsProcPtr StoreColors; + + void *pixmap_data; + unsigned int pixmap_data_size; + + ColormapPtr colormap; + + void *redisplay_timer; + unsigned int redisplay_timer_set :1; + unsigned int redisplay_queued :1; + unsigned int redisplay_expired :1; + unsigned int colormap_changed :1; +} RootlessScreenRec, *RootlessScreenPtr; + + +#undef MIN +#define MIN(x,y) ((x) < (y) ? (x) : (y)) +#undef MAX +#define MAX(x,y) ((x) > (y) ? (x) : (y)) + +// "Definition of the Porting Layer for the X11 Sample Server" says +// unwrap and rewrap of screen functions is unnecessary, but +// screen->CreateGC changes after a call to cfbCreateGC. + +#define SCREEN_UNWRAP(screen, fn) \ + screen->fn = SCREENREC(screen)->fn; + +#define SCREEN_WRAP(screen, fn) \ + SCREENREC(screen)->fn = screen->fn; \ + screen->fn = Rootless##fn + + +// Accessors for screen and window privates + +#define SCREENREC(pScreen) ((RootlessScreenRec *) \ + dixLookupPrivate(&(pScreen)->devPrivates, rootlessScreenPrivateKey)) + +#define SETSCREENREC(pScreen, v) \ + dixSetPrivate(&(pScreen)->devPrivates, rootlessScreenPrivateKey, v) + +#define WINREC(pWin) ((RootlessWindowRec *) \ + dixLookupPrivate(&(pWin)->devPrivates, rootlessWindowPrivateKey)) + +#define SETWINREC(pWin, v) \ + dixSetPrivate(&(pWin)->devPrivates, rootlessWindowPrivateKey, v) + +// Call a rootless implementation function. +// Many rootless implementation functions are allowed to be NULL. +#define CallFrameProc(pScreen, proc, params) \ + if (SCREENREC(pScreen)->frameProcs.proc) { \ + RL_DEBUG_MSG("calling frame proc " #proc " "); \ + SCREENREC(pScreen)->frameProcs.proc params; \ + } + + +// BoxRec manipulators +// Copied from shadowfb + +#define TRIM_BOX(box, pGC) { \ + BoxPtr extents = &pGC->pCompositeClip->extents;\ + if(box.x1 < extents->x1) box.x1 = extents->x1; \ + if(box.x2 > extents->x2) box.x2 = extents->x2; \ + if(box.y1 < extents->y1) box.y1 = extents->y1; \ + if(box.y2 > extents->y2) box.y2 = extents->y2; \ +} + +#define TRANSLATE_BOX(box, pDraw) { \ + box.x1 += pDraw->x; \ + box.x2 += pDraw->x; \ + box.y1 += pDraw->y; \ + box.y2 += pDraw->y; \ +} + +#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \ + TRANSLATE_BOX(box, pDraw); \ + TRIM_BOX(box, pGC); \ +} + +#define BOX_NOT_EMPTY(box) \ + (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0)) + + +// HUGE_ROOT and NORMAL_ROOT +// We don't want to clip windows to the edge of the screen. +// HUGE_ROOT temporarily makes the root window really big. +// This is needed as a wrapper around any function that calls +// SetWinSize or SetBorderSize which clip a window against its +// parents, including the root. + +extern RegionRec rootlessHugeRoot; + +#define HUGE_ROOT(pWin) \ + do { \ + WindowPtr w = pWin; \ + while (w->parent) \ + w = w->parent; \ + saveRoot = w->winSize; \ + w->winSize = rootlessHugeRoot; \ + } while (0) + +#define NORMAL_ROOT(pWin) \ + do { \ + WindowPtr w = pWin; \ + while (w->parent) \ + w = w->parent; \ + w->winSize = saveRoot; \ + } while (0) + + +// Returns TRUE if this window is a top-level window (i.e. child of the root) +// The root is not a top-level window. +#define IsTopLevel(pWin) \ + ((pWin) && (pWin)->parent && !(pWin)->parent->parent) + +// Returns TRUE if this window is a root window +#define IsRoot(pWin) \ + ((pWin) == WindowTable[(pWin)->drawable.pScreen->myNum]) + + +/* + * SetPixmapBaseToScreen + * Move the given pixmap's base address to where pixel (0, 0) + * would be if the pixmap's actual data started at (x, y). + * Can't access the bits before the first word of the drawable's data in + * rootless mode, so make sure our base address is always 32-bit aligned. + */ +#define SetPixmapBaseToScreen(pix, _x, _y) { \ + PixmapPtr _pPix = (PixmapPtr) (pix); \ + _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \ + ((int)(_x) * _pPix->drawable.bitsPerPixel/8 + \ + (int)(_y) * _pPix->devKind); \ + if (_pPix->drawable.bitsPerPixel != FB_UNIT) { \ + unsigned _diff = ((unsigned) _pPix->devPrivate.ptr) & \ + (FB_UNIT / CHAR_BIT - 1); \ + _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \ + _diff; \ + _pPix->drawable.x = _diff / \ + (_pPix->drawable.bitsPerPixel / CHAR_BIT); \ + } \ +} + + +// Returns TRUE if this window is visible inside a frame +// (e.g. it is visible and has a top-level or root parent) +Bool IsFramedWindow(WindowPtr pWin); + +// Routines that cause regions to get redrawn. +// DamageRegion and DamageRect are in global coordinates. +// DamageBox is in window-local coordinates. +void RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion); +void RootlessDamageRect(WindowPtr pWindow, int x, int y, int w, int h); +void RootlessDamageBox(WindowPtr pWindow, BoxPtr pBox); +void RootlessRedisplay(WindowPtr pWindow); +void RootlessRedisplayScreen(ScreenPtr pScreen); + +void RootlessQueueRedisplay(ScreenPtr pScreen); + +/* Return the colormap currently installed on the given screen. */ +ColormapPtr RootlessGetColormap (ScreenPtr pScreen); + +/* Convert colormap to ARGB. */ +Bool RootlessResolveColormap (ScreenPtr pScreen, int first_color, + int n_colors, uint32_t *colors); + +void RootlessFlushWindowColormap (WindowPtr pWin); +void RootlessFlushScreenColormaps (ScreenPtr pScreen); + +// Move a window to its proper location on the screen. +void RootlessRepositionWindow(WindowPtr pWin); + +// Move the window to it's correct place in the physical stacking order. +void RootlessReorderWindow(WindowPtr pWin); + +#endif /* _ROOTLESSCOMMON_H */ |