From b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Mon, 2 Feb 2015 15:02:49 +0100 Subject: massive reduction of unneeded files --- .../programs/Xserver/hw/xfree86/common/xf86fbman.c | 1445 -------------------- 1 file changed, 1445 deletions(-) delete mode 100644 nx-X11/programs/Xserver/hw/xfree86/common/xf86fbman.c (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86fbman.c') diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86fbman.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86fbman.c deleted file mode 100644 index 31c84c49f..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/common/xf86fbman.c +++ /dev/null @@ -1,1445 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86fbman.c,v 1.28 2003/11/03 05:11:03 tsi Exp $ */ - -/* - * Copyright (c) 1998-2001 by The XFree86 Project, Inc. - * - * 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 COPYRIGHT HOLDER(S) OR AUTHOR(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 of the copyright holder(s) - * and author(s) 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 copyright holder(s) and author(s). - */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include "misc.h" -#include "xf86.h" - -#include -#include "scrnintstr.h" -#include "regionstr.h" -#include "xf86fbman.h" - -/* -#define DEBUG -*/ - -static int xf86FBMangerIndex = -1; -static unsigned long xf86ManagerGeneration = 0; - -Bool xf86RegisterOffscreenManager( - ScreenPtr pScreen, - FBManagerFuncsPtr funcs -){ - - if(xf86ManagerGeneration != serverGeneration) { - if((xf86FBMangerIndex = AllocateScreenPrivateIndex()) < 0) - return FALSE; - xf86ManagerGeneration = serverGeneration; - } - - pScreen->devPrivates[xf86FBMangerIndex].ptr = (pointer)funcs; - - return TRUE; -} - - -Bool -xf86FBManagerRunning(ScreenPtr pScreen) -{ - if(xf86FBMangerIndex < 0) - return FALSE; - if(!pScreen->devPrivates[xf86FBMangerIndex].ptr) - return FALSE; - - return TRUE; -} - -Bool -xf86RegisterFreeBoxCallback( - ScreenPtr pScreen, - FreeBoxCallbackProcPtr FreeBoxCallback, - pointer devPriv -){ - FBManagerFuncsPtr funcs; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->RegisterFreeBoxCallback)(pScreen, FreeBoxCallback, devPriv); -} - - -FBAreaPtr -xf86AllocateOffscreenArea( - ScreenPtr pScreen, - int w, int h, - int gran, - MoveAreaCallbackProcPtr moveCB, - RemoveAreaCallbackProcPtr removeCB, - pointer privData -){ - FBManagerFuncsPtr funcs; - - if(xf86FBMangerIndex < 0) - return NULL; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return NULL; - - return (*funcs->AllocateOffscreenArea)( - pScreen, w, h, gran, moveCB, removeCB, privData); -} - - -FBLinearPtr -xf86AllocateOffscreenLinear( - ScreenPtr pScreen, - int length, - int gran, - MoveLinearCallbackProcPtr moveCB, - RemoveLinearCallbackProcPtr removeCB, - pointer privData -){ - FBManagerFuncsPtr funcs; - - if(xf86FBMangerIndex < 0) - return NULL; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return NULL; - - return (*funcs->AllocateOffscreenLinear)( - pScreen, length, gran, moveCB, removeCB, privData); -} - - -void -xf86FreeOffscreenArea(FBAreaPtr area) -{ - FBManagerFuncsPtr funcs; - - if(!area) return; - - if(xf86FBMangerIndex < 0) - return; - if(!(funcs = - (FBManagerFuncsPtr)area->pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return; - - (*funcs->FreeOffscreenArea)(area); - - return; -} - - -void -xf86FreeOffscreenLinear(FBLinearPtr linear) -{ - FBManagerFuncsPtr funcs; - - if(!linear) return; - - if(xf86FBMangerIndex < 0) - return; - if(!(funcs = - (FBManagerFuncsPtr)linear->pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return; - - (*funcs->FreeOffscreenLinear)(linear); - - return; -} - - -Bool -xf86ResizeOffscreenArea( - FBAreaPtr resize, - int w, int h -){ - FBManagerFuncsPtr funcs; - - if(!resize) return FALSE; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = - (FBManagerFuncsPtr)resize->pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->ResizeOffscreenArea)(resize, w, h); -} - -Bool -xf86ResizeOffscreenLinear( - FBLinearPtr resize, - int size -){ - FBManagerFuncsPtr funcs; - - if(!resize) return FALSE; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = - (FBManagerFuncsPtr)resize->pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->ResizeOffscreenLinear)(resize, size); -} - - -Bool -xf86QueryLargestOffscreenArea( - ScreenPtr pScreen, - int *w, int *h, - int gran, - int preferences, - int severity -){ - FBManagerFuncsPtr funcs; - - *w = 0; - *h = 0; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->QueryLargestOffscreenArea)( - pScreen, w, h, gran, preferences, severity); -} - -Bool -xf86QueryLargestOffscreenLinear( - ScreenPtr pScreen, - int *size, - int gran, - int severity -){ - FBManagerFuncsPtr funcs; - - *size = 0; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->QueryLargestOffscreenLinear)( - pScreen, size, gran, severity); -} - - -Bool -xf86PurgeUnlockedOffscreenAreas(ScreenPtr pScreen) -{ - FBManagerFuncsPtr funcs; - - if(xf86FBMangerIndex < 0) - return FALSE; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return FALSE; - - return (*funcs->PurgeOffscreenAreas)(pScreen); -} - -/************************************************************\ - - Below is a specific implementation of an offscreen manager. - -\************************************************************/ - -static unsigned long xf86FBGeneration = 0; -static int xf86FBScreenIndex = -1; - -typedef struct _FBLink { - FBArea area; - struct _FBLink *next; -} FBLink, *FBLinkPtr; - -typedef struct _FBLinearLink { - FBLinear linear; - int free; /* need to add free here as FBLinear is publicly accessible */ - FBAreaPtr area; /* only used if allocation came from XY area */ - struct _FBLinearLink *next; -} FBLinearLink, *FBLinearLinkPtr; - - -typedef struct { - ScreenPtr pScreen; - RegionPtr InitialBoxes; - RegionPtr FreeBoxes; - FBLinkPtr UsedAreas; - int NumUsedAreas; - FBLinearLinkPtr LinearAreas; - CloseScreenProcPtr CloseScreen; - int NumCallbacks; - FreeBoxCallbackProcPtr *FreeBoxesUpdateCallback; - DevUnion *devPrivates; -} FBManager, *FBManagerPtr; - - -static void -SendCallFreeBoxCallbacks(FBManagerPtr offman) -{ - int i = offman->NumCallbacks; - - while(i--) { - (*offman->FreeBoxesUpdateCallback[i])( - offman->pScreen, offman->FreeBoxes, offman->devPrivates[i].ptr); - } -} - -static Bool -localRegisterFreeBoxCallback( - ScreenPtr pScreen, - FreeBoxCallbackProcPtr FreeBoxCallback, - pointer devPriv -){ - FBManagerPtr offman; - FreeBoxCallbackProcPtr *newCallbacks; - DevUnion *newPrivates; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - newCallbacks = xrealloc( offman->FreeBoxesUpdateCallback, - sizeof(FreeBoxCallbackProcPtr) * (offman->NumCallbacks + 1)); - - newPrivates = xrealloc(offman->devPrivates, - sizeof(DevUnion) * (offman->NumCallbacks + 1)); - - if(!newCallbacks || !newPrivates) - return FALSE; - - offman->FreeBoxesUpdateCallback = newCallbacks; - offman->devPrivates = newPrivates; - - offman->FreeBoxesUpdateCallback[offman->NumCallbacks] = FreeBoxCallback; - offman->devPrivates[offman->NumCallbacks].ptr = devPriv; - offman->NumCallbacks++; - - SendCallFreeBoxCallbacks(offman); - - return TRUE; -} - - -static FBAreaPtr -AllocateArea( - FBManagerPtr offman, - int w, int h, - int granularity, - MoveAreaCallbackProcPtr moveCB, - RemoveAreaCallbackProcPtr removeCB, - pointer privData -){ - ScreenPtr pScreen = offman->pScreen; - FBLinkPtr link = NULL; - FBAreaPtr area = NULL; - RegionRec NewReg; - int i, x = 0, num; - BoxPtr boxp; - - if(granularity <= 1) granularity = 0; - - boxp = REGION_RECTS(offman->FreeBoxes); - num = REGION_NUM_RECTS(offman->FreeBoxes); - - /* look through the free boxes */ - for(i = 0; i < num; i++, boxp++) { - x = boxp->x1; - if(granularity) { - int tmp = x % granularity; - if(tmp) x += (granularity - tmp); - } - - if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w)) - continue; - - link = xalloc(sizeof(FBLink)); - if(!link) return NULL; - - area = &(link->area); - link->next = offman->UsedAreas; - offman->UsedAreas = link; - offman->NumUsedAreas++; - break; - } - - /* try to boot a removeable one out if we are not expendable ourselves */ - if(!area && !removeCB) { - link = offman->UsedAreas; - - while(link) { - if(!link->area.RemoveAreaCallback) { - link = link->next; - continue; - } - - boxp = &(link->area.box); - x = boxp->x1; - if(granularity) { - int tmp = x % granularity; - if(tmp) x += (granularity - tmp); - } - - if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w)) { - link = link->next; - continue; - } - - /* bye, bye */ - (*link->area.RemoveAreaCallback)(&link->area); - REGION_INIT(pScreen, &NewReg, &(link->area.box), 1); - REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg); - REGION_UNINIT(pScreen, &NewReg); - - area = &(link->area); - break; - } - } - - if(area) { - area->pScreen = pScreen; - area->granularity = granularity; - area->box.x1 = x; - area->box.x2 = x + w; - area->box.y1 = boxp->y1; - area->box.y2 = boxp->y1 + h; - area->MoveAreaCallback = moveCB; - area->RemoveAreaCallback = removeCB; - area->devPrivate.ptr = privData; - - REGION_INIT(pScreen, &NewReg, &(area->box), 1); - REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg); - REGION_UNINIT(pScreen, &NewReg); - } - - return area; -} - -static FBAreaPtr -localAllocateOffscreenArea( - ScreenPtr pScreen, - int w, int h, - int gran, - MoveAreaCallbackProcPtr moveCB, - RemoveAreaCallbackProcPtr removeCB, - pointer privData -){ - FBManagerPtr offman; - FBAreaPtr area = NULL; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - if((area = AllocateArea(offman, w, h, gran, moveCB, removeCB, privData))) - SendCallFreeBoxCallbacks(offman); - - return area; -} - - -static void -localFreeOffscreenArea(FBAreaPtr area) -{ - FBManagerPtr offman; - FBLinkPtr pLink, pLinkPrev = NULL; - RegionRec FreedRegion; - ScreenPtr pScreen; - - pScreen = area->pScreen; - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - pLink = offman->UsedAreas; - if(!pLink) return; - - while(&(pLink->area) != area) { - pLinkPrev = pLink; - pLink = pLink->next; - if(!pLink) return; - } - - /* put the area back into the pool */ - REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1); - REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedRegion); - REGION_UNINIT(pScreen, &FreedRegion); - - if(pLinkPrev) - pLinkPrev->next = pLink->next; - else offman->UsedAreas = pLink->next; - - xfree(pLink); - offman->NumUsedAreas--; - - SendCallFreeBoxCallbacks(offman); -} - - - -static Bool -localResizeOffscreenArea( - FBAreaPtr resize, - int w, int h -){ - FBManagerPtr offman; - ScreenPtr pScreen; - BoxRec OrigArea; - RegionRec FreedReg; - FBAreaPtr area = NULL; - FBLinkPtr pLink, newLink, pLinkPrev = NULL; - - pScreen = resize->pScreen; - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - /* find this link */ - if(!(pLink = offman->UsedAreas)) - return FALSE; - - while(&(pLink->area) != resize) { - pLinkPrev = pLink; - pLink = pLink->next; - if(!pLink) return FALSE; - } - - OrigArea.x1 = resize->box.x1; - OrigArea.x2 = resize->box.x2; - OrigArea.y1 = resize->box.y1; - OrigArea.y2 = resize->box.y2; - - /* if it's smaller, this is easy */ - - if((w <= (resize->box.x2 - resize->box.x1)) && - (h <= (resize->box.y2 - resize->box.y1))) { - RegionRec NewReg; - - resize->box.x2 = resize->box.x1 + w; - resize->box.y2 = resize->box.y1 + h; - - if((resize->box.y2 == OrigArea.y2) && - (resize->box.x2 == OrigArea.x2)) - return TRUE; - - REGION_INIT(pScreen, &FreedReg, &OrigArea, 1); - REGION_INIT(pScreen, &NewReg, &(resize->box), 1); - REGION_SUBTRACT(pScreen, &FreedReg, &FreedReg, &NewReg); - REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg); - REGION_UNINIT(pScreen, &FreedReg); - REGION_UNINIT(pScreen, &NewReg); - - SendCallFreeBoxCallbacks(offman); - - return TRUE; - } - - - /* otherwise we remove the old region */ - - REGION_INIT(pScreen, &FreedReg, &OrigArea, 1); - REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg); - - /* remove the old link */ - if(pLinkPrev) - pLinkPrev->next = pLink->next; - else offman->UsedAreas = pLink->next; - - /* and try to add a new one */ - - if((area = AllocateArea(offman, w, h, resize->granularity, - resize->MoveAreaCallback, resize->RemoveAreaCallback, - resize->devPrivate.ptr))) { - - /* copy data over to our link and replace the new with old */ - memcpy(resize, area, sizeof(FBArea)); - - pLinkPrev = NULL; - newLink = offman->UsedAreas; - - while(&(newLink->area) != area) { - pLinkPrev = newLink; - newLink = newLink->next; - } - - if(pLinkPrev) - pLinkPrev->next = newLink->next; - else offman->UsedAreas = newLink->next; - - pLink->next = offman->UsedAreas; - offman->UsedAreas = pLink; - - xfree(newLink); - - /* AllocateArea added one but we really only exchanged one */ - offman->NumUsedAreas--; - } else { - /* reinstate the old region */ - REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg); - REGION_UNINIT(pScreen, &FreedReg); - - pLink->next = offman->UsedAreas; - offman->UsedAreas = pLink; - return FALSE; - } - - - REGION_UNINIT(pScreen, &FreedReg); - - SendCallFreeBoxCallbacks(offman); - - return TRUE; -} - -static Bool -localQueryLargestOffscreenArea( - ScreenPtr pScreen, - int *width, int *height, - int granularity, - int preferences, - int severity -){ - FBManagerPtr offman; - RegionPtr newRegion = NULL; - BoxPtr pbox; - int nbox; - int x, w, h, area, oldArea; - - *width = *height = oldArea = 0; - - if(granularity <= 1) granularity = 0; - - if((preferences < 0) || (preferences > 3)) - return FALSE; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - if(severity < 0) severity = 0; - if(severity > 2) severity = 2; - - switch(severity) { - case 2: - if(offman->NumUsedAreas) { - FBLinkPtr pLink; - RegionRec tmpRegion; - newRegion = REGION_CREATE(pScreen, NULL, 1); - REGION_COPY(pScreen, newRegion, offman->InitialBoxes); - pLink = offman->UsedAreas; - - while(pLink) { - if(!pLink->area.RemoveAreaCallback) { - REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1); - REGION_SUBTRACT(pScreen, newRegion, newRegion, &tmpRegion); - REGION_UNINIT(pScreen, &tmpRegion); - } - pLink = pLink->next; - } - - nbox = REGION_NUM_RECTS(newRegion); - pbox = REGION_RECTS(newRegion); - break; - } - case 1: - if(offman->NumUsedAreas) { - FBLinkPtr pLink; - RegionRec tmpRegion; - newRegion = REGION_CREATE(pScreen, NULL, 1); - REGION_COPY(pScreen, newRegion, offman->FreeBoxes); - pLink = offman->UsedAreas; - - while(pLink) { - if(pLink->area.RemoveAreaCallback) { - REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1); - REGION_APPEND(pScreen, newRegion, &tmpRegion); - REGION_UNINIT(pScreen, &tmpRegion); - } - pLink = pLink->next; - } - - nbox = REGION_NUM_RECTS(newRegion); - pbox = REGION_RECTS(newRegion); - break; - } - default: - nbox = REGION_NUM_RECTS(offman->FreeBoxes); - pbox = REGION_RECTS(offman->FreeBoxes); - break; - } - - while(nbox--) { - x = pbox->x1; - if(granularity) { - int tmp = x % granularity; - if(tmp) x += (granularity - tmp); - } - - w = pbox->x2 - x; - h = pbox->y2 - pbox->y1; - area = w * h; - - if(w > 0) { - Bool gotIt = FALSE; - switch(preferences) { - case FAVOR_AREA_THEN_WIDTH: - if((area > oldArea) || ((area == oldArea) && (w > *width))) - gotIt = TRUE; - break; - case FAVOR_AREA_THEN_HEIGHT: - if((area > oldArea) || ((area == oldArea) && (h > *height))) - gotIt = TRUE; - break; - case FAVOR_WIDTH_THEN_AREA: - if((w > *width) || ((w == *width) && (area > oldArea))) - gotIt = TRUE; - break; - case FAVOR_HEIGHT_THEN_AREA: - if((h > *height) || ((h == *height) && (area > oldArea))) - gotIt = TRUE; - break; - } - if(gotIt) { - *width = w; - *height = h; - oldArea = area; - } - } - pbox++; - } - - if(newRegion) - REGION_DESTROY(pScreen, newRegion); - - return TRUE; -} - -static Bool -localPurgeUnlockedOffscreenAreas(ScreenPtr pScreen) -{ - FBManagerPtr offman; - FBLinkPtr pLink, tmp, pPrev = NULL; - RegionRec FreedRegion; - Bool anyUsed = FALSE; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - pLink = offman->UsedAreas; - if(!pLink) return TRUE; - - while(pLink) { - if(pLink->area.RemoveAreaCallback) { - (*pLink->area.RemoveAreaCallback)(&pLink->area); - - REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1); - REGION_APPEND(pScreen, offman->FreeBoxes, &FreedRegion); - REGION_UNINIT(pScreen, &FreedRegion); - - if(pPrev) - pPrev->next = pLink->next; - else offman->UsedAreas = pLink->next; - - tmp = pLink; - pLink = pLink->next; - xfree(tmp); - offman->NumUsedAreas--; - anyUsed = TRUE; - } else { - pPrev = pLink; - pLink = pLink->next; - } - } - - if(anyUsed) { - REGION_VALIDATE(pScreen, offman->FreeBoxes, &anyUsed); - SendCallFreeBoxCallbacks(offman); - } - - return TRUE; -} - -static void -LinearMoveCBWrapper(FBAreaPtr from, FBAreaPtr to) -{ - /* this will never get called */ -} - -static void -LinearRemoveCBWrapper(FBAreaPtr area) -{ - FBManagerPtr offman; - FBLinearLinkPtr pLink, pLinkPrev = NULL; - ScreenPtr pScreen = area->pScreen; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - pLink = offman->LinearAreas; - if(!pLink) return; - - while(pLink->area != area) { - pLinkPrev = pLink; - pLink = pLink->next; - if(!pLink) return; - } - - /* give the user the callback it is expecting */ - (*pLink->linear.RemoveLinearCallback)(&(pLink->linear)); - - if(pLinkPrev) - pLinkPrev->next = pLink->next; - else offman->LinearAreas = pLink->next; - - xfree(pLink); -} - -#ifdef DEBUG -static void -Dump(FBLinearLinkPtr pLink) -{ - if (!pLink) ErrorF("MMmm, PLINK IS NULL!\n"); - - while (pLink) { - ErrorF(" Offset:%08x, Size:%08x, %s,%s\n", - pLink->linear.offset, - pLink->linear.size, - pLink->free ? "Free" : "Used", - pLink->area ? "Area" : "Linear"); - - pLink = pLink->next; - } -} -#endif - -static FBLinearPtr -AllocateLinear( - FBManagerPtr offman, - int size, - int granularity, - pointer privData -){ - ScreenPtr pScreen = offman->pScreen; - FBLinearLinkPtr linear = NULL; - FBLinearLinkPtr newlink = NULL; - int offset, end; - - if(size <= 0) return NULL; - - if (!offman->LinearAreas) return NULL; - - linear = offman->LinearAreas; - while (linear) { - /* Make sure we get a free area that's not an XY fallback case */ - if (!linear->area && linear->free) { - offset = (linear->linear.offset + granularity) & ~granularity; - end = offset+size; - if (end <= (linear->linear.offset + linear->linear.size)) - break; - } - linear = linear->next; - } - if (!linear) - return NULL; - - /* break left */ - if (offset > linear->linear.offset) { - newlink = xalloc(sizeof(FBLinearLink)); - if (!newlink) - return NULL; - newlink->area = NULL; - newlink->linear.offset = offset; - newlink->linear.size = linear->linear.size - (offset - linear->linear.offset); - newlink->free = 1; - newlink->next = linear->next; - linear->linear.size -= newlink->linear.size; - linear->next = newlink; - linear = newlink; - } - - /* break right */ - if (size < linear->linear.size) { - newlink = xalloc(sizeof(FBLinearLink)); - if (!newlink) - return NULL; - newlink->area = NULL; - newlink->linear.offset = offset + size; - newlink->linear.size = linear->linear.size - size; - newlink->free = 1; - newlink->next = linear->next; - linear->linear.size = size; - linear->next = newlink; - } - - /* p = middle block */ - linear->linear.granularity = granularity; - linear->free = 0; - linear->linear.pScreen = pScreen; - linear->linear.MoveLinearCallback = NULL; - linear->linear.RemoveLinearCallback = NULL; - linear->linear.devPrivate.ptr = NULL; - -#ifdef DEBUG - Dump(offman->LinearAreas); -#endif - - return &(linear->linear); -} - -static FBLinearPtr -localAllocateOffscreenLinear( - ScreenPtr pScreen, - int length, - int gran, - MoveLinearCallbackProcPtr moveCB, - RemoveLinearCallbackProcPtr removeCB, - pointer privData -){ - FBManagerPtr offman; - FBLinearLinkPtr link; - FBAreaPtr area; - FBLinearPtr linear = NULL; - BoxPtr extents; - int w, h, pitch; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - /* Try to allocate from linear memory first...... */ -#ifdef DEBUG - ErrorF("ALLOCATING LINEAR\n"); -#endif - if ((linear = AllocateLinear(offman, length, gran, privData))) - return linear; - -#ifdef DEBUG - ErrorF("NOPE, ALLOCATING AREA\n"); -#endif - - if(!(link = xalloc(sizeof(FBLinearLink)))) - return NULL; - - /* No linear available, so try and pinch some from the XY areas */ - extents = REGION_EXTENTS(pScreen, offman->InitialBoxes); - pitch = extents->x2 - extents->x1; - - if(gran && ((gran > pitch) || (pitch % gran))) { - /* we can't match the specified alignment with XY allocations */ - xfree(link); - return NULL; - } - - if(length < pitch) { /* special case */ - w = length; - h = 1; - } else { - w = pitch; - h = (length + pitch - 1) / pitch; - } - - if((area = localAllocateOffscreenArea(pScreen, w, h, gran, - moveCB ? LinearMoveCBWrapper : NULL, - removeCB ? LinearRemoveCBWrapper : NULL, - privData))) - { - link->area = area; - link->free = 0; - link->next = offman->LinearAreas; - offman->LinearAreas = link; - linear = &(link->linear); - linear->pScreen = pScreen; - linear->size = h * w; - linear->offset = (pitch * area->box.y1) + area->box.x1; - linear->granularity = gran; - linear->MoveLinearCallback = moveCB; - linear->RemoveLinearCallback = removeCB; - linear->devPrivate.ptr = privData; - } else - xfree(link); - -#ifdef DEBUG - Dump(offman->LinearAreas); -#endif - - return linear; -} - - -static void -localFreeOffscreenLinear(FBLinearPtr linear) -{ - FBManagerPtr offman; - FBLinearLinkPtr pLink, pLinkPrev = NULL; - ScreenPtr pScreen = linear->pScreen; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - pLink = offman->LinearAreas; - if(!pLink) return; - - while(&(pLink->linear) != linear) { - pLinkPrev = pLink; - pLink = pLink->next; - if(!pLink) return; - } - - if(pLink->area) { /* really an XY area */ -#ifdef DEBUG - ErrorF("FREEING AREA\n"); -#endif - localFreeOffscreenArea(pLink->area); - if(pLinkPrev) - pLinkPrev->next = pLink->next; - else offman->LinearAreas = pLink->next; - xfree(pLink); -#ifdef DEBUG - Dump(offman->LinearAreas); -#endif - return; - } - - pLink->free = 1; - - if (pLink->next && pLink->next->free) { - FBLinearLinkPtr p = pLink->next; - pLink->linear.size += p->linear.size; - pLink->next = p->next; - free(p); - } - - if(pLinkPrev) { - if (pLinkPrev->next && pLinkPrev->next->free && !pLinkPrev->area) { - FBLinearLinkPtr p = pLinkPrev->next; - pLinkPrev->linear.size += p->linear.size; - pLinkPrev->next = p->next; - free(p); - } - } - -#ifdef DEBUG - ErrorF("FREEING LINEAR\n"); - Dump(offman->LinearAreas); -#endif -} - - -static Bool -localResizeOffscreenLinear(FBLinearPtr resize, int length) -{ - FBManagerPtr offman; - FBLinearLinkPtr pLink; - ScreenPtr pScreen = resize->pScreen; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - pLink = offman->LinearAreas; - if(!pLink) return FALSE; - - while(&(pLink->linear) != resize) { - pLink = pLink->next; - if(!pLink) return FALSE; - } - - /* This could actually be alot smarter and try to move allocations - from XY to linear when available. For now if it was XY, we keep - it XY */ - - if(pLink->area) { /* really an XY area */ - BoxPtr extents; - int pitch, w, h; - - extents = REGION_EXTENTS(pScreen, offman->InitialBoxes); - pitch = extents->x2 - extents->x1; - - if(length < pitch) { /* special case */ - w = length; - h = 1; - } else { - w = pitch; - h = (length + pitch - 1) / pitch; - } - - if(localResizeOffscreenArea(pLink->area, w, h)) { - resize->size = h * w; - resize->offset = (pitch * pLink->area->box.y1) + pLink->area->box.x1; - return TRUE; - } - } else { - /* TODO!!!! resize the linear area */ - } - - return FALSE; -} - - -static Bool -localQueryLargestOffscreenLinear( - ScreenPtr pScreen, - int *size, - int gran, - int priority -) -{ - FBManagerPtr offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - FBLinearLinkPtr pLink; - FBLinearLinkPtr pLinkRet; - - *size = 0; - - pLink = offman->LinearAreas; - - if (pLink && !pLink->area) { - pLinkRet = pLink; - while (pLink) { - if (pLink->free) { - if (pLink->linear.size > pLinkRet->linear.size) - pLinkRet = pLink; - } - pLink = pLink->next; - } - - if (pLinkRet->free) { - *size = pLinkRet->linear.size; - return TRUE; - } - } else { - int w, h; - - if(localQueryLargestOffscreenArea(pScreen, &w, &h, gran, - FAVOR_WIDTH_THEN_AREA, priority)) - { - FBManagerPtr offman; - BoxPtr extents; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - extents = REGION_EXTENTS(pScreen, offman->InitialBoxes); - if((extents->x2 - extents->x1) == w) - *size = w * h; - return TRUE; - } - } - - return FALSE; -} - - - -static FBManagerFuncs xf86FBManFuncs = { - localAllocateOffscreenArea, - localFreeOffscreenArea, - localResizeOffscreenArea, - localQueryLargestOffscreenArea, - localRegisterFreeBoxCallback, - localAllocateOffscreenLinear, - localFreeOffscreenLinear, - localResizeOffscreenLinear, - localQueryLargestOffscreenLinear, - localPurgeUnlockedOffscreenAreas - }; - - -static Bool -xf86FBCloseScreen (int i, ScreenPtr pScreen) -{ - FBLinkPtr pLink, tmp; - FBLinearLinkPtr pLinearLink, tmp2; - FBManagerPtr offman = - (FBManagerPtr) pScreen->devPrivates[xf86FBScreenIndex].ptr; - - - pScreen->CloseScreen = offman->CloseScreen; - - pLink = offman->UsedAreas; - while(pLink) { - tmp = pLink; - pLink = pLink->next; - xfree(tmp); - } - - pLinearLink = offman->LinearAreas; - while(pLinearLink) { - tmp2 = pLinearLink; - pLinearLink = pLinearLink->next; - xfree(tmp2); - } - - REGION_DESTROY(pScreen, offman->InitialBoxes); - REGION_DESTROY(pScreen, offman->FreeBoxes); - - xfree(offman->FreeBoxesUpdateCallback); - xfree(offman->devPrivates); - xfree(offman); - pScreen->devPrivates[xf86FBScreenIndex].ptr = NULL; - - return (*pScreen->CloseScreen) (i, pScreen); -} - -Bool -xf86InitFBManager( - ScreenPtr pScreen, - BoxPtr FullBox -){ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - RegionRec ScreenRegion; - RegionRec FullRegion; - BoxRec ScreenBox; - Bool ret; - - ScreenBox.x1 = 0; - ScreenBox.y1 = 0; - ScreenBox.x2 = pScrn->virtualX; - ScreenBox.y2 = pScrn->virtualY; - - if((FullBox->x1 > ScreenBox.x1) || (FullBox->y1 > ScreenBox.y1) || - (FullBox->x2 < ScreenBox.x2) || (FullBox->y2 < ScreenBox.y2)) { - return FALSE; - } - - if (FullBox->y2 < FullBox->y1) return FALSE; - if (FullBox->x2 < FullBox->x2) return FALSE; - - REGION_INIT(pScreen, &ScreenRegion, &ScreenBox, 1); - REGION_INIT(pScreen, &FullRegion, FullBox, 1); - - REGION_SUBTRACT(pScreen, &FullRegion, &FullRegion, &ScreenRegion); - - ret = xf86InitFBManagerRegion(pScreen, &FullRegion); - - REGION_UNINIT(pScreen, &ScreenRegion); - REGION_UNINIT(pScreen, &FullRegion); - - return ret; -} - -Bool -xf86InitFBManagerArea( - ScreenPtr pScreen, - int PixelArea, - int Verbosity -) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xRectangle Rect[3]; - RegionPtr pRegion, pScreenRegion; - int nRect; - Bool ret = FALSE; - - if (PixelArea < (pScrn->displayWidth * pScrn->virtualY)) - return FALSE; - - Rect[0].x = Rect[0].y = 0; - Rect[0].width = pScrn->displayWidth; - Rect[0].height = PixelArea / pScrn->displayWidth; - nRect = 1; - - /* Add a possible partial scanline */ - if ((Rect[1].height = Rect[1].width = PixelArea % pScrn->displayWidth)) { - Rect[1].x = 0; - Rect[1].y = Rect[0].height; - Rect[1].height = 1; - nRect++; - } - - /* Factor out virtual resolution */ - pRegion = RECTS_TO_REGION(pScreen, nRect, Rect, 0); - if (pRegion) { - if (!REGION_NAR(pRegion)) { - Rect[2].x = Rect[2].y = 0; - Rect[2].width = pScrn->virtualX; - Rect[2].height = pScrn->virtualY; - - pScreenRegion = RECTS_TO_REGION(pScreen, 1, &Rect[2], 0); - if (pScreenRegion) { - if (!REGION_NAR(pScreenRegion)) { - REGION_SUBTRACT(pScreen, pRegion, pRegion, pScreenRegion); - - ret = xf86InitFBManagerRegion(pScreen, pRegion); - - if (ret && xf86GetVerbosity() >= Verbosity) { - int scrnIndex = pScrn->scrnIndex; - - xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity, - "Largest offscreen areas (with overlaps):\n"); - - if (Rect[2].width < Rect[0].width) { - xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity, - "\t%d x %d rectangle at %d,0\n", - Rect[0].width - Rect[2].width, - Rect[0].height, - Rect[2].width); - } - if (Rect[2].width < Rect[1].width) { - xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity, - "\t%d x %d rectangle at %d,0\n", - Rect[1].width - Rect[2].width, - Rect[0].height + Rect[1].height, - Rect[2].width); - } - if (Rect[2].height < Rect[0].height) { - xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity, - "\t%d x %d rectangle at 0,%d\n", - Rect[0].width, - Rect[0].height - Rect[2].height, - Rect[2].height); - } - if (Rect[1].height) { - xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity, - "\t%d x %d rectangle at 0,%d\n", - Rect[1].width, - Rect[0].height - Rect[2].height + - Rect[1].height, - Rect[2].height); - } - } - } - - REGION_DESTROY(pScreen, pScreenRegion); - } - } - - REGION_DESTROY(pScreen, pRegion); - } - - return ret; -} - -Bool -xf86InitFBManagerRegion( - ScreenPtr pScreen, - RegionPtr FullRegion -){ - FBManagerPtr offman; - - if(REGION_NIL(FullRegion)) - return FALSE; - - if(xf86FBGeneration != serverGeneration) { - if((xf86FBScreenIndex = AllocateScreenPrivateIndex()) < 0) - return FALSE; - xf86FBGeneration = serverGeneration; - } - - if(!xf86RegisterOffscreenManager(pScreen, &xf86FBManFuncs)) - return FALSE; - - offman = xalloc(sizeof(FBManager)); - if(!offman) return FALSE; - - pScreen->devPrivates[xf86FBScreenIndex].ptr = (pointer)offman; - - offman->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = xf86FBCloseScreen; - - offman->InitialBoxes = REGION_CREATE(pScreen, NULL, 1); - offman->FreeBoxes = REGION_CREATE(pScreen, NULL, 1); - - REGION_COPY(pScreen, offman->InitialBoxes, FullRegion); - REGION_COPY(pScreen, offman->FreeBoxes, FullRegion); - - offman->pScreen = pScreen; - offman->UsedAreas = NULL; - offman->LinearAreas = NULL; - offman->NumUsedAreas = 0; - offman->NumCallbacks = 0; - offman->FreeBoxesUpdateCallback = NULL; - offman->devPrivates = NULL; - - return TRUE; -} - -Bool -xf86InitFBManagerLinear( - ScreenPtr pScreen, - int offset, - int size -){ - FBManagerPtr offman; - FBLinearLinkPtr link; - FBLinearPtr linear; - - if (size <= 0) - return FALSE; - - /* we expect people to have called the Area setup first for pixmap cache */ - if (!pScreen->devPrivates[xf86FBScreenIndex].ptr) - return FALSE; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - offman->LinearAreas = xalloc(sizeof(FBLinearLink)); - if (!offman->LinearAreas) - return FALSE; - - link = offman->LinearAreas; - link->area = NULL; - link->next = NULL; - link->free = 1; - linear = &(link->linear); - linear->pScreen = pScreen; - linear->size = size; - linear->offset = offset; - linear->granularity = 0; - linear->MoveLinearCallback = NULL; - linear->RemoveLinearCallback = NULL; - linear->devPrivate.ptr = NULL; - - return TRUE; -} - - -/* This is an implementation specific function and should - disappear after the next release. People should use the - real linear functions instead */ - -FBAreaPtr -xf86AllocateLinearOffscreenArea ( - ScreenPtr pScreen, - int length, - int gran, - MoveAreaCallbackProcPtr moveCB, - RemoveAreaCallbackProcPtr removeCB, - pointer privData -){ - FBManagerFuncsPtr funcs; - FBManagerPtr offman; - BoxPtr extents; - int w, h; - - if(xf86FBMangerIndex < 0) - return NULL; - if(!(funcs = (FBManagerFuncsPtr)pScreen->devPrivates[xf86FBMangerIndex].ptr)) - return NULL; - - offman = pScreen->devPrivates[xf86FBScreenIndex].ptr; - - extents = REGION_EXTENTS(pScreen, offman->InitialBoxes); - w = extents->x2 - extents->x1; - - if(gran && ((gran > w) || (w % gran))) { - /* we can't match the specified alignment with XY allocations */ - return NULL; - } - - if(length <= w) { /* special case */ - h = 1; - w = length; - } else { - h = (length + w - 1) / w; - } - - return (*funcs->AllocateOffscreenArea)( - pScreen, w, h, gran, moveCB, removeCB, privData); -} -- cgit v1.2.3