diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86DGA.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/common/xf86DGA.c | 1267 |
1 files changed, 0 insertions, 1267 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86DGA.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86DGA.c deleted file mode 100644 index a213e39e2..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/common/xf86DGA.c +++ /dev/null @@ -1,1267 +0,0 @@ -/* $XdotOrg: xc/programs/Xserver/hw/xfree86/common/xf86DGA.c,v 1.7 2005/11/08 03:12:43 alanc Exp $ */ -/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86DGA.c,v 1.46 2002/12/03 18:17:40 tsi Exp $ */ -/* - * Copyright (c) 1998-2002 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). - * - * Written by Mark Vojkovich - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include "xf86str.h" -#include "xf86Priv.h" -#include "dgaproc.h" -#include <X11/extensions/xf86dgastr.h> -#include "colormapst.h" -#include "pixmapstr.h" -#include "inputstr.h" -#include "globals.h" -#include "servermd.h" -#include "micmap.h" -#ifdef XKB -#include <X11/extensions/XKBsrv.h> -#endif -#include "xf86Xinput.h" - -static unsigned long DGAGeneration = 0; -static int DGAScreenIndex = -1; - -static Bool DGACloseScreen(int i, ScreenPtr pScreen); -static void DGADestroyColormap(ColormapPtr pmap); -static void DGAInstallColormap(ColormapPtr pmap); -static void DGAUninstallColormap(ColormapPtr pmap); - -static void -DGACopyModeInfo( - DGAModePtr mode, - XDGAModePtr xmode -); - -#if defined(XFree86LOADER) || !defined(XFreeXDGA) -int *XDGAEventBase = NULL; -#else -int *XDGAEventBase = &DGAEventBase; -#endif - -#define DGA_GET_SCREEN_PRIV(pScreen) \ - ((DGAScreenPtr)((pScreen)->devPrivates[DGAScreenIndex].ptr)) - - -typedef struct _FakedVisualList{ - Bool free; - VisualPtr pVisual; - struct _FakedVisualList *next; -} FakedVisualList; - - -typedef struct { - ScrnInfoPtr pScrn; - int numModes; - DGAModePtr modes; - CloseScreenProcPtr CloseScreen; - DestroyColormapProcPtr DestroyColormap; - InstallColormapProcPtr InstallColormap; - UninstallColormapProcPtr UninstallColormap; - DGADevicePtr current; - DGAFunctionPtr funcs; - int input; - ClientPtr client; - int pixmapMode; - FakedVisualList *fakedVisuals; - ColormapPtr dgaColormap; - ColormapPtr savedColormap; - Bool grabMouse; - Bool grabKeyboard; -} DGAScreenRec, *DGAScreenPtr; - - -Bool -DGAInit( - ScreenPtr pScreen, - DGAFunctionPtr funcs, - DGAModePtr modes, - int num -){ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - DGAScreenPtr pScreenPriv; - int i; - - if(!funcs || !funcs->SetMode || !funcs->OpenFramebuffer) - return FALSE; - - if(!modes || num <= 0) - return FALSE; - - if(DGAGeneration != serverGeneration) { - if((DGAScreenIndex = AllocateScreenPrivateIndex()) < 0) - return FALSE; - DGAGeneration = serverGeneration; - } - - if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec)))) - return FALSE; - - pScreenPriv->pScrn = pScrn; - pScreenPriv->numModes = num; - pScreenPriv->modes = modes; - pScreenPriv->current = NULL; - - pScreenPriv->funcs = funcs; - pScreenPriv->input = 0; - pScreenPriv->client = NULL; - pScreenPriv->fakedVisuals = NULL; - pScreenPriv->dgaColormap = NULL; - pScreenPriv->savedColormap = NULL; - pScreenPriv->grabMouse = FALSE; - pScreenPriv->grabKeyboard = FALSE; - - for(i = 0; i < num; i++) - modes[i].num = i + 1; - -#ifdef PANORAMIX - if(!noPanoramiXExtension) - for(i = 0; i < num; i++) - modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; -#endif - - - pScreen->devPrivates[DGAScreenIndex].ptr = (pointer)pScreenPriv; - pScreenPriv->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = DGACloseScreen; - pScreenPriv->DestroyColormap = pScreen->DestroyColormap; - pScreen->DestroyColormap = DGADestroyColormap; - pScreenPriv->InstallColormap = pScreen->InstallColormap; - pScreen->InstallColormap = DGAInstallColormap; - pScreenPriv->UninstallColormap = pScreen->UninstallColormap; - pScreen->UninstallColormap = DGAUninstallColormap; - - /* - * This is now set in InitOutput(). - * - pScrn->SetDGAMode = xf86SetDGAMode; - */ - - return TRUE; -} - -/* DGAReInitModes allows the driver to re-initialize - * the DGA mode list. - */ - -Bool -DGAReInitModes( - ScreenPtr pScreen, - DGAModePtr modes, - int num -){ - DGAScreenPtr pScreenPriv; - int i; - - /* No DGA? Ignore call (but don't make it look like it failed) */ - if(DGAScreenIndex < 0) - return TRUE; - - pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - /* Same as above */ - if(!pScreenPriv) - return TRUE; - - /* Can't do this while DGA is active */ - if(pScreenPriv->current) - return FALSE; - - /* Quick sanity check */ - if(!num) - modes = NULL; - else if(!modes) - num = 0; - - pScreenPriv->numModes = num; - pScreenPriv->modes = modes; - - /* This practically disables DGA. So be it. */ - if(!num) - return TRUE; - - for(i = 0; i < num; i++) - modes[i].num = i + 1; - -#ifdef PANORAMIX - if(!noPanoramiXExtension) - for(i = 0; i < num; i++) - modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; -#endif - - return TRUE; -} - -static void -FreeMarkedVisuals(ScreenPtr pScreen) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - FakedVisualList *prev, *curr, *tmp; - - if(!pScreenPriv->fakedVisuals) - return; - - prev = NULL; - curr = pScreenPriv->fakedVisuals; - - while(curr) { - if(curr->free) { - tmp = curr; - curr = curr->next; - if(prev) - prev->next = curr; - else - pScreenPriv->fakedVisuals = curr; - xfree(tmp->pVisual); - xfree(tmp); - } else { - prev = curr; - curr = curr->next; - } - } -} - - -static Bool -DGACloseScreen(int i, ScreenPtr pScreen) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - FreeMarkedVisuals(pScreen); - - pScreen->CloseScreen = pScreenPriv->CloseScreen; - pScreen->DestroyColormap = pScreenPriv->DestroyColormap; - pScreen->InstallColormap = pScreenPriv->InstallColormap; - pScreen->UninstallColormap = pScreenPriv->UninstallColormap; - - /* DGAShutdown() should have ensured that no DGA - screen were active by here */ - - xfree(pScreenPriv); - - return((*pScreen->CloseScreen)(i, pScreen)); -} - - -static void -DGADestroyColormap(ColormapPtr pmap) -{ - ScreenPtr pScreen = pmap->pScreen; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - VisualPtr pVisual = pmap->pVisual; - - if(pScreenPriv->fakedVisuals) { - FakedVisualList *curr = pScreenPriv->fakedVisuals; - - while(curr) { - if(curr->pVisual == pVisual) { - /* We can't get rid of them yet since FreeColormap - still needs the pVisual during the cleanup */ - curr->free = TRUE; - break; - } - curr = curr->next; - } - } - - if(pScreenPriv->DestroyColormap) { - pScreen->DestroyColormap = pScreenPriv->DestroyColormap; - (*pScreen->DestroyColormap)(pmap); - pScreen->DestroyColormap = DGADestroyColormap; - } -} - - -static void -DGAInstallColormap(ColormapPtr pmap) -{ - ScreenPtr pScreen = pmap->pScreen; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - if(pScreenPriv->current && pScreenPriv->dgaColormap) { - if (pmap != pScreenPriv->dgaColormap) { - pScreenPriv->savedColormap = pmap; - pmap = pScreenPriv->dgaColormap; - } - } - - pScreen->InstallColormap = pScreenPriv->InstallColormap; - (*pScreen->InstallColormap)(pmap); - pScreen->InstallColormap = DGAInstallColormap; -} - -static void -DGAUninstallColormap(ColormapPtr pmap) -{ - ScreenPtr pScreen = pmap->pScreen; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - if(pScreenPriv->current && pScreenPriv->dgaColormap) { - if (pmap == pScreenPriv->dgaColormap) { - pScreenPriv->dgaColormap = NULL; - } - } - - pScreen->UninstallColormap = pScreenPriv->UninstallColormap; - (*pScreen->UninstallColormap)(pmap); - pScreen->UninstallColormap = DGAUninstallColormap; -} - -int -xf86SetDGAMode( - int index, - int num, - DGADevicePtr devRet -){ - ScreenPtr pScreen = screenInfo.screens[index]; - DGAScreenPtr pScreenPriv; - ScrnInfoPtr pScrn; - DGADevicePtr device; - PixmapPtr pPix = NULL; - DGAModePtr pMode = NULL; - - /* First check if DGAInit was successful on this screen */ - if (DGAScreenIndex < 0) - return BadValue; - pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - if (!pScreenPriv) - return BadValue; - pScrn = pScreenPriv->pScrn; - - if(!num) { - if(pScreenPriv->current) { - PixmapPtr oldPix = pScreenPriv->current->pPix; - if(oldPix) { - if(oldPix->drawable.id) - FreeResource(oldPix->drawable.id, RT_NONE); - else - (*pScreen->DestroyPixmap)(oldPix); - } - xfree(pScreenPriv->current); - pScreenPriv->current = NULL; - pScrn->vtSema = TRUE; - (*pScreenPriv->funcs->SetMode)(pScrn, NULL); - if(pScreenPriv->savedColormap) { - (*pScreen->InstallColormap)(pScreenPriv->savedColormap); - pScreenPriv->savedColormap = NULL; - } - pScreenPriv->dgaColormap = NULL; - (*pScrn->EnableDisableFBAccess)(index, TRUE); - - FreeMarkedVisuals(pScreen); - } - - pScreenPriv->grabMouse = FALSE; - pScreenPriv->grabKeyboard = FALSE; - - return Success; - } - - if(!pScrn->vtSema && !pScreenPriv->current) /* Really switched away */ - return BadAlloc; - - if((num > 0) && (num <= pScreenPriv->numModes)) - pMode = &(pScreenPriv->modes[num - 1]); - else - return BadValue; - - if(!(device = (DGADevicePtr)xalloc(sizeof(DGADeviceRec)))) - return BadAlloc; - - if(!pScreenPriv->current) { - Bool oldVTSema = pScrn->vtSema; - - pScrn->vtSema = FALSE; /* kludge until we rewrite VT switching */ - (*pScrn->EnableDisableFBAccess)(index, FALSE); - pScrn->vtSema = oldVTSema; - } - - if(!(*pScreenPriv->funcs->SetMode)(pScrn, pMode)) { - xfree(device); - return BadAlloc; - } - - pScrn->currentMode = pMode->mode; - - if(!pScreenPriv->current && !pScreenPriv->input) { - /* if it's multihead we need to warp the cursor off of - our screen so it doesn't get trapped */ - } - - pScrn->vtSema = FALSE; - - if(pScreenPriv->current) { - PixmapPtr oldPix = pScreenPriv->current->pPix; - if(oldPix) { - if(oldPix->drawable.id) - FreeResource(oldPix->drawable.id, RT_NONE); - else - (*pScreen->DestroyPixmap)(oldPix); - } - xfree(pScreenPriv->current); - pScreenPriv->current = NULL; - } - - if(pMode->flags & DGA_PIXMAP_AVAILABLE) { - if((pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pMode->depth))) { - (*pScreen->ModifyPixmapHeader)(pPix, - pMode->pixmapWidth, pMode->pixmapHeight, - pMode->depth, pMode->bitsPerPixel, - pMode->bytesPerScanline, - (pointer)(pMode->address)); - } - } - - devRet->mode = device->mode = pMode; - devRet->pPix = device->pPix = pPix; - pScreenPriv->current = device; - pScreenPriv->pixmapMode = FALSE; - pScreenPriv->grabMouse = TRUE; - pScreenPriv->grabKeyboard = TRUE; - - return Success; -} - - - -/*********** exported ones ***************/ - -void -DGASetInputMode(int index, Bool keyboard, Bool mouse) -{ - ScreenPtr pScreen = screenInfo.screens[index]; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - if (pScreenPriv) - { - pScreenPriv->grabMouse = mouse; - pScreenPriv->grabKeyboard = keyboard; - } -} - -Bool -DGAChangePixmapMode(int index, int *x, int *y, int mode) -{ - DGAScreenPtr pScreenPriv; - DGADevicePtr pDev; - DGAModePtr pMode; - PixmapPtr pPix; - - if(DGAScreenIndex < 0) - return FALSE; - - pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - if(!pScreenPriv || !pScreenPriv->current || !pScreenPriv->current->pPix) - return FALSE; - - pDev = pScreenPriv->current; - pPix = pDev->pPix; - pMode = pDev->mode; - - if(mode) { - int shift = 2; - - if(*x > (pMode->pixmapWidth - pMode->viewportWidth)) - *x = pMode->pixmapWidth - pMode->viewportWidth; - if(*y > (pMode->pixmapHeight - pMode->viewportHeight)) - *y = pMode->pixmapHeight - pMode->viewportHeight; - - switch(xf86Screens[index]->bitsPerPixel) { - case 16: shift = 1; break; - case 32: shift = 0; break; - default: break; - } - - if(BITMAP_SCANLINE_PAD == 64) - shift++; - - *x = (*x >> shift) << shift; - - pPix->drawable.x = *x; - pPix->drawable.y = *y; - pPix->drawable.width = pMode->viewportWidth; - pPix->drawable.height = pMode->viewportHeight; - } else { - pPix->drawable.x = 0; - pPix->drawable.y = 0; - pPix->drawable.width = pMode->pixmapWidth; - pPix->drawable.height = pMode->pixmapHeight; - } - pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER; - pScreenPriv->pixmapMode = mode; - - return TRUE; -} - -Bool -DGAAvailable(int index) -{ - if(DGAScreenIndex < 0) - return FALSE; - - if (!xf86NoSharedResources(((ScrnInfoPtr)screenInfo.screens[index]-> - devPrivates[xf86ScreenIndex].ptr)->scrnIndex,MEM)) - return FALSE; - - if(DGA_GET_SCREEN_PRIV(screenInfo.screens[index])) - return TRUE; - - return FALSE; -} - -Bool -DGAActive(int index) -{ - DGAScreenPtr pScreenPriv; - - if(DGAScreenIndex < 0) - return FALSE; - - pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - if(pScreenPriv && pScreenPriv->current) - return TRUE; - - return FALSE; -} - - - -/* Called by the event code in case the server is abruptly terminated */ - -void -DGAShutdown() -{ - ScrnInfoPtr pScrn; - int i; - - if(DGAScreenIndex < 0) - return; - - for(i = 0; i < screenInfo.numScreens; i++) { - pScrn = xf86Screens[i]; - - (void)(*pScrn->SetDGAMode)(pScrn->scrnIndex, 0, NULL); - } -} - -/* Called by the extension to initialize a mode */ - -int -DGASetMode( - int index, - int num, - XDGAModePtr mode, - PixmapPtr *pPix -){ - ScrnInfoPtr pScrn = xf86Screens[index]; - DGADeviceRec device; - int ret; - - /* We rely on the extension to check that DGA is available */ - - ret = (*pScrn->SetDGAMode)(index, num, &device); - if((ret == Success) && num) { - DGACopyModeInfo(device.mode, mode); - *pPix = device.pPix; - } - - return ret; -} - -/* Called from the extension to let the DDX know which events are requested */ - -void -DGASelectInput( - int index, - ClientPtr client, - long mask -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is available */ - pScreenPriv->client = client; - pScreenPriv->input = mask; -} - -int -DGAGetViewportStatus(int index) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is active */ - - if (!pScreenPriv->funcs->GetViewport) - return 0; - - return (*pScreenPriv->funcs->GetViewport)(pScreenPriv->pScrn); -} - -int -DGASetViewport( - int index, - int x, int y, - int mode -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - if (pScreenPriv->funcs->SetViewport) - (*pScreenPriv->funcs->SetViewport)(pScreenPriv->pScrn, x, y, mode); - return Success; -} - - -static int -BitsClear(CARD32 data) -{ - int bits = 0; - CARD32 mask; - - for(mask = 1; mask; mask <<= 1) { - if(!(data & mask)) bits++; - else break; - } - - return bits; -} - -int -DGACreateColormap(int index, ClientPtr client, int id, int mode, int alloc) -{ - ScreenPtr pScreen = screenInfo.screens[index]; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - FakedVisualList *fvlp; - VisualPtr pVisual; - DGAModePtr pMode; - ColormapPtr pmap; - - if(!mode || (mode > pScreenPriv->numModes)) - return BadValue; - - if((alloc != AllocNone) && (alloc != AllocAll)) - return BadValue; - - pMode = &(pScreenPriv->modes[mode - 1]); - - if(!(pVisual = xalloc(sizeof(VisualRec)))) - return BadAlloc; - - pVisual->vid = FakeClientID(0); - pVisual->class = pMode->visualClass; - pVisual->nplanes = pMode->depth; - pVisual->ColormapEntries = 1 << pMode->depth; - pVisual->bitsPerRGBValue = (pMode->depth + 2) / 3; - - switch (pVisual->class) { - case PseudoColor: - case GrayScale: - case StaticGray: - pVisual->bitsPerRGBValue = 8; /* not quite */ - pVisual->redMask = 0; - pVisual->greenMask = 0; - pVisual->blueMask = 0; - pVisual->offsetRed = 0; - pVisual->offsetGreen = 0; - pVisual->offsetBlue = 0; - break; - case DirectColor: - case TrueColor: - pVisual->ColormapEntries = 1 << pVisual->bitsPerRGBValue; - /* fall through */ - case StaticColor: - pVisual->redMask = pMode->red_mask; - pVisual->greenMask = pMode->green_mask; - pVisual->blueMask = pMode->blue_mask; - pVisual->offsetRed = BitsClear(pVisual->redMask); - pVisual->offsetGreen = BitsClear(pVisual->greenMask); - pVisual->offsetBlue = BitsClear(pVisual->blueMask); - } - - if(!(fvlp = xalloc(sizeof(FakedVisualList)))) { - xfree(pVisual); - return BadAlloc; - } - - fvlp->free = FALSE; - fvlp->pVisual = pVisual; - fvlp->next = pScreenPriv->fakedVisuals; - pScreenPriv->fakedVisuals = fvlp; - - LEGAL_NEW_RESOURCE(id, client); - - return CreateColormap(id, pScreen, pVisual, &pmap, alloc, client->index); -} - -/* Called by the extension to install a colormap on DGA active screens */ - -void -DGAInstallCmap(ColormapPtr cmap) -{ - ScreenPtr pScreen = cmap->pScreen; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - /* We rely on the extension to check that DGA is active */ - - if(!pScreenPriv->dgaColormap) - pScreenPriv->savedColormap = miInstalledMaps[pScreen->myNum]; - - pScreenPriv->dgaColormap = cmap; - - (*pScreen->InstallColormap)(cmap); -} - -int -DGASync(int index) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is active */ - - if (pScreenPriv->funcs->Sync) - (*pScreenPriv->funcs->Sync)(pScreenPriv->pScrn); - - return Success; -} - -int -DGAFillRect( - int index, - int x, int y, int w, int h, - unsigned long color -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is active */ - - if(pScreenPriv->funcs->FillRect && - (pScreenPriv->current->mode->flags & DGA_FILL_RECT)) { - - (*pScreenPriv->funcs->FillRect)(pScreenPriv->pScrn, x, y, w, h, color); - return Success; - } - return BadMatch; -} - -int -DGABlitRect( - int index, - int srcx, int srcy, - int w, int h, - int dstx, int dsty -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is active */ - - if(pScreenPriv->funcs->BlitRect && - (pScreenPriv->current->mode->flags & DGA_BLIT_RECT)) { - - (*pScreenPriv->funcs->BlitRect)(pScreenPriv->pScrn, - srcx, srcy, w, h, dstx, dsty); - return Success; - } - return BadMatch; -} - -int -DGABlitTransRect( - int index, - int srcx, int srcy, - int w, int h, - int dstx, int dsty, - unsigned long color -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is active */ - - if(pScreenPriv->funcs->BlitTransRect && - (pScreenPriv->current->mode->flags & DGA_BLIT_RECT_TRANS)) { - - (*pScreenPriv->funcs->BlitTransRect)(pScreenPriv->pScrn, - srcx, srcy, w, h, dstx, dsty, color); - return Success; - } - return BadMatch; -} - - -int -DGAGetModes(int index) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - /* We rely on the extension to check that DGA is available */ - - return pScreenPriv->numModes; -} - - -int -DGAGetModeInfo( - int index, - XDGAModePtr mode, - int num -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - /* We rely on the extension to check that DGA is available */ - - if((num <= 0) || (num > pScreenPriv->numModes)) - return BadValue; - - DGACopyModeInfo(&(pScreenPriv->modes[num - 1]), mode); - - return Success; -} - - -static void -DGACopyModeInfo( - DGAModePtr mode, - XDGAModePtr xmode -){ - DisplayModePtr dmode = mode->mode; - - xmode->num = mode->num; - xmode->name = dmode->name; - xmode->VSync_num = (int)(dmode->VRefresh * 1000.0); - xmode->VSync_den = 1000; - xmode->flags = mode->flags; - xmode->imageWidth = mode->imageWidth; - xmode->imageHeight = mode->imageHeight; - xmode->pixmapWidth = mode->pixmapWidth; - xmode->pixmapHeight = mode->pixmapHeight; - xmode->bytesPerScanline = mode->bytesPerScanline; - xmode->byteOrder = mode->byteOrder; - xmode->depth = mode->depth; - xmode->bitsPerPixel = mode->bitsPerPixel; - xmode->red_mask = mode->red_mask; - xmode->green_mask = mode->green_mask; - xmode->blue_mask = mode->blue_mask; - xmode->visualClass = mode->visualClass; - xmode->viewportWidth = mode->viewportWidth; - xmode->viewportHeight = mode->viewportHeight; - xmode->xViewportStep = mode->xViewportStep; - xmode->yViewportStep = mode->yViewportStep; - xmode->maxViewportX = mode->maxViewportX; - xmode->maxViewportY = mode->maxViewportY; - xmode->viewportFlags = mode->viewportFlags; - xmode->reserved1 = mode->reserved1; - xmode->reserved2 = mode->reserved2; - xmode->offset = mode->offset; - - if(dmode->Flags & V_INTERLACE) xmode->flags |= DGA_INTERLACED; - if(dmode->Flags & V_DBLSCAN) xmode->flags |= DGA_DOUBLESCAN; -} - - -Bool -DGAVTSwitch(void) -{ - ScreenPtr pScreen; - int i; - - for(i = 0; i < screenInfo.numScreens; i++) { - pScreen = screenInfo.screens[i]; - - /* Alternatively, this could send events to DGA clients */ - - if(DGAScreenIndex >= 0) { - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - if(pScreenPriv && pScreenPriv->current) - return FALSE; - } - } - - return TRUE; -} - - -/* We have the power to steal or modify events that are about to get queued */ - -Bool -DGAStealKeyEvent(int index, xEvent *e) -{ - DGAScreenPtr pScreenPriv; - dgaEvent de; - - if(DGAScreenIndex < 0) /* no DGA */ - return FALSE; - - pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - if(!pScreenPriv || !pScreenPriv->grabKeyboard) /* no direct mode */ - return FALSE; - - de.u.u.type = e->u.u.type + *XDGAEventBase; - de.u.u.detail = e->u.u.detail; - de.u.event.time = e->u.keyButtonPointer.time; - xf86eqEnqueue ((xEvent *) &de); - return TRUE; -} - -static int DGAMouseX, DGAMouseY; - -Bool -DGAStealMouseEvent(int index, xEvent *e, int dx, int dy) -{ - DGAScreenPtr pScreenPriv; - dgaEvent de; - - if(DGAScreenIndex < 0) /* no DGA */ - return FALSE; - - pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - if(!pScreenPriv || !pScreenPriv->grabMouse) /* no direct mode */ - return FALSE; - - DGAMouseX += dx; - if (DGAMouseX < 0) - DGAMouseX = 0; - else if (DGAMouseX > screenInfo.screens[index]->width) - DGAMouseX = screenInfo.screens[index]->width; - DGAMouseY += dy; - if (DGAMouseY < 0) - DGAMouseY = 0; - else if (DGAMouseY > screenInfo.screens[index]->height) - DGAMouseY = screenInfo.screens[index]->height; - de.u.u.type = e->u.u.type + *XDGAEventBase; - de.u.u.detail = e->u.u.detail; - de.u.event.time = e->u.keyButtonPointer.time; - de.u.event.dx = dx; - de.u.event.dy = dy; - de.u.event.pad1 = DGAMouseX; - de.u.event.pad2 = DGAMouseY; - xf86eqEnqueue ((xEvent *) &de); - return TRUE; -} - -Bool -DGAIsDgaEvent (xEvent *e) -{ - int coreEquiv; - if (DGAScreenIndex < 0 || XDGAEventBase == 0) - return FALSE; - coreEquiv = e->u.u.type - *XDGAEventBase; - if (KeyPress <= coreEquiv && coreEquiv <= MotionNotify) - return TRUE; - return FALSE; -} - -#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */ -static Mask filters[] = -{ - NoSuchEvent, /* 0 */ - NoSuchEvent, /* 1 */ - KeyPressMask, /* KeyPress */ - KeyReleaseMask, /* KeyRelease */ - ButtonPressMask, /* ButtonPress */ - ButtonReleaseMask, /* ButtonRelease */ - PointerMotionMask, /* MotionNotify (initial state) */ -}; - -static void -DGAProcessKeyboardEvent (ScreenPtr pScreen, dgaEvent *de, DeviceIntPtr keybd) -{ - int key, bit; - register BYTE *kptr; - register int i; - register CARD8 modifiers; - register CARD16 mask; - int coreEquiv; - xEvent core; - KeyClassPtr keyc = keybd->key; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - coreEquiv = de->u.u.type - *XDGAEventBase; - - /* - * Fill in remaining event state - */ - de->u.event.dx = 0; - de->u.event.dy = 0; - de->u.event.screen = pScreen->myNum; - de->u.event.state = keyc->state | (inputInfo.pointer)->button->state; - - /* - * Keep the core state in sync by duplicating what - * CoreProcessKeyboardEvent does - */ - key = de->u.u.detail; - kptr = &keyc->down[key >> 3]; - bit = 1 << (key & 7); - modifiers = keyc->modifierMap[key]; - switch (coreEquiv) - { - case KeyPress: - inputInfo.pointer->valuator->motionHintWindow = NullWindow; - *kptr |= bit; - keyc->prev_state = keyc->state; -#ifdef XKB - if (noXkbExtension) -#endif - { - - for (i = 0, mask = 1; modifiers; i++, mask <<= 1) - { - if (mask & modifiers) - { - /* This key affects modifier "i" */ - keyc->modifierKeyCount[i]++; - keyc->state |= mask; - modifiers &= ~mask; - } - } - } - break; - case KeyRelease: - inputInfo.pointer->valuator->motionHintWindow = NullWindow; - *kptr &= ~bit; - keyc->prev_state = keyc->state; -#ifdef XKB - if (noXkbExtension) -#endif - { - for (i = 0, mask = 1; modifiers; i++, mask <<= 1) - { - if (mask & modifiers) { - /* This key affects modifier "i" */ - if (--keyc->modifierKeyCount[i] <= 0) { - keyc->state &= ~mask; - keyc->modifierKeyCount[i] = 0; - } - modifiers &= ~mask; - } - } - } - break; - } - /* - * Deliver the DGA event - */ - if (pScreenPriv->client) - { - /* If the DGA client has selected input, then deliver based on the usual filter */ - TryClientEvents (pScreenPriv->client, (xEvent *) de, 1, - filters[coreEquiv], pScreenPriv->input, 0); - } - else - { - /* If the keyboard is actively grabbed, deliver a grabbed core event */ - if (keybd->grab && !keybd->fromPassiveGrab) - { - core.u.u.type = coreEquiv; - core.u.u.detail = de->u.u.detail; - core.u.keyButtonPointer.time = de->u.event.time; - core.u.keyButtonPointer.eventX = de->u.event.dx; - core.u.keyButtonPointer.eventY = de->u.event.dy; - core.u.keyButtonPointer.rootX = de->u.event.dx; - core.u.keyButtonPointer.rootY = de->u.event.dy; - core.u.keyButtonPointer.state = de->u.event.state; - DeliverGrabbedEvent (&core, keybd, FALSE, 1); - } - } -} - -static void -DGAProcessPointerEvent (ScreenPtr pScreen, dgaEvent *de, DeviceIntPtr mouse) -{ - ButtonClassPtr butc = mouse->button; - int coreEquiv; - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - xEvent core; - - coreEquiv = de->u.u.type - *XDGAEventBase; - /* - * Fill in remaining event state - */ - de->u.event.screen = pScreen->myNum; - de->u.event.state = butc->state | inputInfo.keyboard->key->state; - /* - * Keep the core state in sync by duplicating what - * CoreProcessPointerEvent does - */ - if (coreEquiv != MotionNotify) - { - register int key; - register BYTE *kptr; - int bit; - - key = de->u.u.detail; - kptr = &butc->down[key >> 3]; - bit = 1 << (key & 7); - switch (coreEquiv) - { - case ButtonPress: - mouse->valuator->motionHintWindow = NullWindow; - if (!(*kptr & bit)) - butc->buttonsDown++; - butc->motionMask = ButtonMotionMask; - *kptr |= bit; - if (key <= 5) - butc->state |= (Button1Mask >> 1) << key; - break; - case ButtonRelease: - mouse->valuator->motionHintWindow = NullWindow; - if (*kptr & bit) - --butc->buttonsDown; - if (!butc->buttonsDown) - butc->motionMask = 0; - *kptr &= ~bit; - if (key == 0) - return; - if (key <= 5) - butc->state &= ~((Button1Mask >> 1) << key); - break; - } - } - /* - * Deliver the DGA event - */ - if (pScreenPriv->client) - { - /* If the DGA client has selected input, then deliver based on the usual filter */ - TryClientEvents (pScreenPriv->client, (xEvent *) de, 1, - filters[coreEquiv], pScreenPriv->input, 0); - } - else - { - /* If the pointer is actively grabbed, deliver a grabbed core event */ - if (mouse->grab && !mouse->fromPassiveGrab) - { - core.u.u.type = coreEquiv; - core.u.u.detail = de->u.u.detail; - core.u.keyButtonPointer.time = de->u.event.time; - core.u.keyButtonPointer.eventX = de->u.event.dx; - core.u.keyButtonPointer.eventY = de->u.event.dy; - core.u.keyButtonPointer.rootX = de->u.event.dx; - core.u.keyButtonPointer.rootY = de->u.event.dy; - core.u.keyButtonPointer.state = de->u.event.state; - DeliverGrabbedEvent (&core, mouse, FALSE, 1); - } - } -} - -Bool -DGADeliverEvent (ScreenPtr pScreen, xEvent *e) -{ - dgaEvent *de = (dgaEvent *) e; - DGAScreenPtr pScreenPriv; - int coreEquiv; - - /* no DGA */ - if (DGAScreenIndex < 0 || XDGAEventBase == 0) - return FALSE; - pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); - - /* DGA not initialized on this screen */ - if (!pScreenPriv) - return FALSE; - - coreEquiv = de->u.u.type - *XDGAEventBase; - /* Not a DGA event */ - if (coreEquiv < KeyPress || coreEquiv > MotionNotify) - return FALSE; - - switch (coreEquiv) { - case KeyPress: - case KeyRelease: - DGAProcessKeyboardEvent (pScreen, de, inputInfo.keyboard); - break; - default: - DGAProcessPointerEvent (pScreen, de, inputInfo.pointer); - break; - } - return TRUE; -} - -Bool -DGAOpenFramebuffer( - int index, - char **name, - unsigned char **mem, - int *size, - int *offset, - int *flags -){ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is available */ - - return (*pScreenPriv->funcs->OpenFramebuffer)(pScreenPriv->pScrn, - name, mem, size, offset, flags); -} - -void -DGACloseFramebuffer(int index) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - - /* We rely on the extension to check that DGA is available */ - if(pScreenPriv->funcs->CloseFramebuffer) - (*pScreenPriv->funcs->CloseFramebuffer)(pScreenPriv->pScrn); -} - -/* For DGA 1.0 backwards compatibility only */ - -int -DGAGetOldDGAMode(int index) -{ - DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); - ScrnInfoPtr pScrn = pScreenPriv->pScrn; - DGAModePtr mode; - int i, w, h, p; - - /* We rely on the extension to check that DGA is available */ - - w = pScrn->currentMode->HDisplay; - h = pScrn->currentMode->VDisplay; - p = ((pScrn->displayWidth * (pScrn->bitsPerPixel >> 3)) + 3) & ~3L; - - for(i = 0; i < pScreenPriv->numModes; i++) { - mode = &(pScreenPriv->modes[i]); - - if((mode->viewportWidth == w) && (mode->viewportHeight == h) && - (mode->bytesPerScanline == p) && - (mode->bitsPerPixel == pScrn->bitsPerPixel) && - (mode->depth == pScrn->depth)) { - - return mode->num; - } - } - - return 0; -} - |