diff options
Diffstat (limited to 'xorg-server/hw/xfree86/dri')
| -rw-r--r-- | xorg-server/hw/xfree86/dri/dri.c | 5008 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/dri/xf86dri.c | 1358 |
2 files changed, 3183 insertions, 3183 deletions
diff --git a/xorg-server/hw/xfree86/dri/dri.c b/xorg-server/hw/xfree86/dri/dri.c index 836967c73..a8b050a94 100644 --- a/xorg-server/hw/xfree86/dri/dri.c +++ b/xorg-server/hw/xfree86/dri/dri.c @@ -1,2504 +1,2504 @@ -/************************************************************************** - -Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. -Copyright 2000 VA Linux Systems, Inc. -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, sub license, 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 (including the -next paragraph) 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 NON-INFRINGEMENT. -IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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. - -**************************************************************************/ - -/* - * Authors: - * Jens Owen <jens@tungstengraphics.com> - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include <sys/time.h> -#include <unistd.h> -#include <string.h> -#include <stdio.h> -#include <sys/ioctl.h> -#include <errno.h> - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "xf86drm.h" -#include "misc.h" -#include "dixstruct.h" -#include "extnsionst.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "servermd.h" -#define _XF86DRI_SERVER_ -#include <X11/dri/xf86driproto.h> -#include "swaprep.h" -#include "xf86str.h" -#include "dri.h" -#include "sarea.h" -#include "dristruct.h" -#include "xf86.h" -#include "xf86drm.h" -#include "mi.h" -#include "mipointer.h" -#include "xf86_OSproc.h" -#include "inputstr.h" -#include "xf86VGAarbiter.h" - -#define PCI_BUS_NO_DOMAIN(bus) ((bus) & 0xffu) - -static int DRIEntPrivIndex = -1; -static int DRIScreenPrivKeyIndex; -static DevPrivateKey DRIScreenPrivKey = &DRIScreenPrivKeyIndex; -static int DRIWindowPrivKeyIndex; -static DevPrivateKey DRIWindowPrivKey = &DRIWindowPrivKeyIndex; -static unsigned long DRIGeneration = 0; -static unsigned int DRIDrawableValidationStamp = 0; - -static RESTYPE DRIDrawablePrivResType; -static RESTYPE DRIContextPrivResType; -static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv); - -drmServerInfo DRIDRMServerInfo; - - /* Wrapper just like xf86DrvMsg, but - without the verbosity level checking. - This will make it easy to turn off some - messages later, based on verbosity - level. */ - -/* - * Since we're already referencing things from the XFree86 common layer in - * this file, we'd might as well just call xf86VDrvMsgVerb, and have - * consistent message formatting. The verbosity of these messages can be - * easily changed here. - */ -#define DRI_MSG_VERBOSITY 1 -static void -DRIDrvMsg(int scrnIndex, MessageType type, const char *format, ...) -{ - va_list ap; - - va_start(ap, format); - xf86VDrvMsgVerb(scrnIndex, type, DRI_MSG_VERBOSITY, format, ap); - va_end(ap); -} - - -static void -DRIOpenDRMCleanup(DRIEntPrivPtr pDRIEntPriv) -{ - if (pDRIEntPriv->pLSAREA != NULL) { - drmUnmap(pDRIEntPriv->pLSAREA, pDRIEntPriv->sAreaSize); - pDRIEntPriv->pLSAREA = NULL; - } - if (pDRIEntPriv->hLSAREA != 0) { - drmRmMap(pDRIEntPriv->drmFD, pDRIEntPriv->hLSAREA); - } - if (pDRIEntPriv->drmFD >= 0) { - drmClose(pDRIEntPriv->drmFD); - pDRIEntPriv->drmFD = 0; - } -} - -int -DRIMasterFD(ScrnInfoPtr pScrn) -{ - return DRI_ENT_PRIV(pScrn)->drmFD; -} - -void * -DRIMasterSareaPointer(ScrnInfoPtr pScrn) -{ - return DRI_ENT_PRIV(pScrn)->pLSAREA; -} - -drm_handle_t -DRIMasterSareaHandle(ScrnInfoPtr pScrn) -{ - return DRI_ENT_PRIV(pScrn)->hLSAREA; -} - - -Bool -DRIOpenDRMMaster(ScrnInfoPtr pScrn, - unsigned long sAreaSize, - const char *busID, - const char *drmDriverName) -{ - drmSetVersion saveSv, sv; - Bool drmWasAvailable; - DRIEntPrivPtr pDRIEntPriv; - DRIEntPrivRec tmp; - drmVersionPtr drmlibv; - int drmlibmajor, drmlibminor; - const char *openBusID; - int count; - int err; - - if (DRIEntPrivIndex == -1) - DRIEntPrivIndex = xf86AllocateEntityPrivateIndex(); - - pDRIEntPriv = DRI_ENT_PRIV(pScrn); - - if (pDRIEntPriv && pDRIEntPriv->drmFD != -1) - return TRUE; - - drmWasAvailable = drmAvailable(); - - memset(&tmp, 0, sizeof(tmp)); - - /* Check the DRM lib version. - * drmGetLibVersion was not supported in version 1.0, so check for - * symbol first to avoid possible crash or hang. - */ - - drmlibmajor = 1; - drmlibminor = 0; - if (xf86LoaderCheckSymbol("drmGetLibVersion")) { - drmlibv = drmGetLibVersion(-1); - if (drmlibv != NULL) { - drmlibmajor = drmlibv->version_major; - drmlibminor = drmlibv->version_minor; - drmFreeVersion(drmlibv); - } - } - - /* Check if the libdrm can handle falling back to loading based on name - * if a busid string is passed. - */ - openBusID = (drmlibmajor == 1 && drmlibminor >= 2) ? busID : NULL; - - tmp.drmFD = -1; - sv.drm_di_major = 1; - sv.drm_di_minor = 1; - sv.drm_dd_major = -1; - - saveSv = sv; - count = 10; - while (count--) { - tmp.drmFD = drmOpen(drmDriverName, openBusID); - - if (tmp.drmFD < 0) { - DRIDrvMsg(-1, X_ERROR, "[drm] drmOpen failed.\n"); - goto out_err; - } - - err = drmSetInterfaceVersion(tmp.drmFD, &sv); - - if (err != -EPERM) - break; - - sv = saveSv; - drmClose(tmp.drmFD); - tmp.drmFD = -1; - usleep(100000); - } - - if (tmp.drmFD <= 0) { - DRIDrvMsg(-1, X_ERROR, "[drm] DRM was busy with another master.\n"); - goto out_err; - } - - if (!drmWasAvailable) { - DRIDrvMsg(-1, X_INFO, - "[drm] loaded kernel module for \"%s\" driver.\n", - drmDriverName); - } - - if (err != 0) { - sv.drm_di_major = 1; - sv.drm_di_minor = 0; - } - - DRIDrvMsg(-1, X_INFO, "[drm] DRM interface version %d.%d\n", - sv.drm_di_major, sv.drm_di_minor); - - if (sv.drm_di_major == 1 && sv.drm_di_minor >= 1) - err = 0; - else - err = drmSetBusid(tmp.drmFD, busID); - - if (err) { - DRIDrvMsg(-1, X_ERROR, "[drm] Could not set DRM device bus ID.\n"); - goto out_err; - } - - /* - * Create a lock-containing sarea. - */ - - if (drmAddMap( tmp.drmFD, 0, sAreaSize, DRM_SHM, - DRM_CONTAINS_LOCK, &tmp.hLSAREA) < 0) { - DRIDrvMsg(-1, X_INFO, "[drm] Could not create SAREA for DRM lock.\n"); - tmp.hLSAREA = 0; - goto out_err; - } - - if (drmMap( tmp.drmFD, tmp.hLSAREA, sAreaSize, - (drmAddressPtr)(&tmp.pLSAREA)) < 0) { - DRIDrvMsg(-1, X_INFO, "[drm] Mapping SAREA for DRM lock failed.\n"); - tmp.pLSAREA = NULL; - goto out_err; - } - - memset(tmp.pLSAREA, 0, sAreaSize); - - /* - * Reserved contexts are handled by the first opened screen. - */ - - tmp.resOwner = NULL; - - if (!pDRIEntPriv) - pDRIEntPriv = xnfcalloc(sizeof(*pDRIEntPriv), 1); - - if (!pDRIEntPriv) { - DRIDrvMsg(-1, X_INFO, "[drm] Failed to allocate memory for " - "DRM device.\n"); - goto out_err; - } - *pDRIEntPriv = tmp; - xf86GetEntityPrivate((pScrn)->entityList[0],DRIEntPrivIndex)->ptr = - pDRIEntPriv; - - DRIDrvMsg(-1, X_INFO, "[drm] DRM open master succeeded.\n"); - return TRUE; - - out_err: - - DRIOpenDRMCleanup(&tmp); - return FALSE; -} - -static void -DRIClipNotifyAllDrawables(ScreenPtr pScreen); - -static void -dri_crtc_notify(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIClipNotifyAllDrawables(pScreen); - xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify); - xf86_crtc_notify(pScreen); - pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, dri_crtc_notify); -} - -Bool -DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD) -{ - DRIScreenPrivPtr pDRIPriv; - drm_context_t * reserved; - int reserved_count; - int i; - DRIEntPrivPtr pDRIEntPriv; - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - DRIContextFlags flags = 0; - DRIContextPrivPtr pDRIContextPriv; - - /* If the DRI extension is disabled, do not initialize the DRI */ - if (noXFree86DRIExtension) { - DRIDrvMsg(pScreen->myNum, X_WARNING, - "Direct rendering has been disabled.\n"); - return FALSE; - } - - if (!xf86VGAarbiterAllowDRI(pScreen)) { - DRIDrvMsg(pScreen->myNum, X_WARNING, - "Direct rendering is not supported when VGA arb is necessary for the device\n"); - return FALSE; - } - -#ifdef PANORAMIX - /* - * If Xinerama is on, don't allow DRI to initialise. It won't be usable - * anyway. - */ - if (!noPanoramiXExtension) { - DRIDrvMsg(pScreen->myNum, X_WARNING, - "Direct rendering is not supported when Xinerama is enabled\n"); - return FALSE; - } -#endif - - if (!DRIOpenDRMMaster(pScrn, pDRIInfo->SAREASize, - pDRIInfo->busIdString, - pDRIInfo->drmDriverName)) - return FALSE; - - pDRIEntPriv = DRI_ENT_PRIV(pScrn); - - if (DRIGeneration != serverGeneration) - DRIGeneration = serverGeneration; - - pDRIPriv = (DRIScreenPrivPtr) xcalloc(1, sizeof(DRIScreenPrivRec)); - if (!pDRIPriv) { - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - return FALSE; - } - - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv); - pDRIPriv->drmFD = pDRIEntPriv->drmFD; - pDRIPriv->directRenderingSupport = TRUE; - pDRIPriv->pDriverInfo = pDRIInfo; - pDRIPriv->nrWindows = 0; - pDRIPriv->nrWindowsVisible = 0; - pDRIPriv->fullscreen = NULL; - - pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx; - pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv; - - pDRIPriv->grabbedDRILock = FALSE; - pDRIPriv->drmSIGIOHandlerInstalled = FALSE; - *pDRMFD = pDRIPriv->drmFD; - - if (pDRIEntPriv->sAreaGrabbed || pDRIInfo->allocSarea) { - - if (drmAddMap( pDRIPriv->drmFD, - 0, - pDRIPriv->pDriverInfo->SAREASize, - DRM_SHM, - 0, - &pDRIPriv->hSAREA) < 0) - { - pDRIPriv->directRenderingSupport = FALSE; - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - drmClose(pDRIPriv->drmFD); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] drmAddMap failed\n"); - return FALSE; - } - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] added %d byte SAREA at %p\n", - pDRIPriv->pDriverInfo->SAREASize, pDRIPriv->hSAREA); - - /* Backwards compat. */ - if (drmMap( pDRIPriv->drmFD, - pDRIPriv->hSAREA, - pDRIPriv->pDriverInfo->SAREASize, - (drmAddressPtr)(&pDRIPriv->pSAREA)) < 0) - { - pDRIPriv->directRenderingSupport = FALSE; - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - drmClose(pDRIPriv->drmFD); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] drmMap failed\n"); - return FALSE; - } - DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n", - pDRIPriv->hSAREA, pDRIPriv->pSAREA); - memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize); - } else { - DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Using the DRM lock " - "SAREA also for drawables.\n"); - pDRIPriv->hSAREA = pDRIEntPriv->hLSAREA; - pDRIPriv->pSAREA = (XF86DRISAREAPtr) pDRIEntPriv->pLSAREA; - pDRIEntPriv->sAreaGrabbed = TRUE; - } - - pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA; - pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA; - - if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer) - { - if (drmAddMap( pDRIPriv->drmFD, - (drm_handle_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress, - pDRIPriv->pDriverInfo->frameBufferSize, - DRM_FRAME_BUFFER, - 0, - &pDRIPriv->pDriverInfo->hFrameBuffer) < 0) - { - pDRIPriv->directRenderingSupport = FALSE; - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize); - drmClose(pDRIPriv->drmFD); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] drmAddMap failed\n"); - return FALSE; - } - DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n", - pDRIPriv->pDriverInfo->hFrameBuffer); - } else { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] framebuffer mapped by ddx driver\n"); - } - - if (pDRIEntPriv->resOwner == NULL) { - pDRIEntPriv->resOwner = pScreen; - - /* Add tags for reserved contexts */ - if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD, - &reserved_count))) { - int i; - void *tag; - - for (i = 0; i < reserved_count; i++) { - tag = DRICreateContextPrivFromHandle(pScreen, - reserved[i], - DRI_CONTEXT_RESERVED); - drmAddContextTag(pDRIPriv->drmFD, reserved[i], tag); - } - drmFreeReservedContextList(reserved); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] added %d reserved context%s for kernel\n", - reserved_count, reserved_count > 1 ? "s" : ""); - } - } - - /* validate max drawable table entry set by driver */ - if ((pDRIPriv->pDriverInfo->maxDrawableTableEntry <= 0) || - (pDRIPriv->pDriverInfo->maxDrawableTableEntry > SAREA_MAX_DRAWABLES)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "Invalid max drawable table size set by driver: %d\n", - pDRIPriv->pDriverInfo->maxDrawableTableEntry); - } - - /* Initialize drawable tables (screen private and SAREA) */ - for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) { - pDRIPriv->DRIDrawables[i] = NULL; - pDRIPriv->pSAREA->drawableTable[i].stamp = 0; - pDRIPriv->pSAREA->drawableTable[i].flags = 0; - } - - pDRIPriv->pLockRefCount = &pDRIEntPriv->lockRefCount; - pDRIPriv->pLockingContext = &pDRIEntPriv->lockingContext; - - if (!pDRIEntPriv->keepFDOpen) - pDRIEntPriv->keepFDOpen = pDRIInfo->keepFDOpen; - - pDRIEntPriv->refCount++; - - /* Set up flags for DRICreateContextPriv */ - switch (pDRIInfo->driverSwapMethod) { - case DRI_KERNEL_SWAP: - flags = DRI_CONTEXT_2DONLY; - break; - case DRI_HIDE_X_CONTEXT: - flags = DRI_CONTEXT_PRESERVED; - break; - } - - if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, - &pDRIPriv->myContext, - flags))) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "failed to create server context\n"); - return FALSE; - } - pDRIPriv->myContextPriv = pDRIContextPriv; - - DRIDrvMsg(pScreen->myNum, X_INFO, - "X context handle = %p\n", pDRIPriv->myContext); - - /* Now that we have created the X server's context, we can grab the - * hardware lock for the X server. - */ - DRILock(pScreen, 0); - pDRIPriv->grabbedDRILock = TRUE; - - /* pointers so that we can prevent memory leaks later */ - pDRIPriv->hiddenContextStore = NULL; - pDRIPriv->partial3DContextStore = NULL; - - switch(pDRIInfo->driverSwapMethod) { - case DRI_HIDE_X_CONTEXT: - /* Server will handle 3D swaps, and hide 2D swaps from kernel. - * Register server context as a preserved context. - */ - - /* allocate memory for hidden context store */ - pDRIPriv->hiddenContextStore - = (void *)xcalloc(1, pDRIInfo->contextSize); - if (!pDRIPriv->hiddenContextStore) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "failed to allocate hidden context\n"); - DRIDestroyContextPriv(pDRIContextPriv); - return FALSE; - } - - /* allocate memory for partial 3D context store */ - pDRIPriv->partial3DContextStore - = (void *)xcalloc(1, pDRIInfo->contextSize); - if (!pDRIPriv->partial3DContextStore) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[DRI] failed to allocate partial 3D context\n"); - xfree(pDRIPriv->hiddenContextStore); - DRIDestroyContextPriv(pDRIContextPriv); - return FALSE; - } - - /* save initial context store */ - if (pDRIInfo->SwapContext) { - (*pDRIInfo->SwapContext)( - pScreen, - DRI_NO_SYNC, - DRI_2D_CONTEXT, - pDRIPriv->hiddenContextStore, - DRI_NO_CONTEXT, - NULL); - } - /* fall through */ - - case DRI_SERVER_SWAP: - /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT - * setup signal handler for receiving swap requests from kernel - */ - if (!(pDRIPriv->drmSIGIOHandlerInstalled = - drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[drm] failed to setup DRM signal handler\n"); - if (pDRIPriv->hiddenContextStore) - xfree(pDRIPriv->hiddenContextStore); - if (pDRIPriv->partial3DContextStore) - xfree(pDRIPriv->partial3DContextStore); - DRIDestroyContextPriv(pDRIContextPriv); - return FALSE; - } else { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] installed DRM signal handler\n"); - } - - default: - break; - } - - return TRUE; -} - -Bool -DRIFinishScreenInit(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - /* Wrap DRI support */ - if (pDRIInfo->wrap.ValidateTree) { - pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree; - pScreen->ValidateTree = pDRIInfo->wrap.ValidateTree; - } - if (pDRIInfo->wrap.PostValidateTree) { - pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree; - pScreen->PostValidateTree = pDRIInfo->wrap.PostValidateTree; - } - if (pDRIInfo->wrap.WindowExposures) { - pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures; - pScreen->WindowExposures = pDRIInfo->wrap.WindowExposures; - } - - pDRIPriv->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = DRIDestroyWindow; - - pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, - dri_crtc_notify); - - if (pDRIInfo->wrap.CopyWindow) { - pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow; - pScreen->CopyWindow = pDRIInfo->wrap.CopyWindow; - } - if (pDRIInfo->wrap.ClipNotify) { - pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify; - pScreen->ClipNotify = pDRIInfo->wrap.ClipNotify; - } - if (pDRIInfo->wrap.AdjustFrame) { - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame; - pScrn->AdjustFrame = pDRIInfo->wrap.AdjustFrame; - } - pDRIPriv->wrapped = TRUE; - - DRIDrvMsg(pScreen->myNum, X_INFO, "[DRI] installation complete\n"); - - return TRUE; -} - -void -DRICloseScreen(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo; - drm_context_t * reserved; - int reserved_count; - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - DRIEntPrivPtr pDRIEntPriv = DRI_ENT_PRIV(pScrn); - Bool closeMaster; - - if (pDRIPriv) { - - pDRIInfo = pDRIPriv->pDriverInfo; - - if (pDRIPriv->wrapped) { - /* Unwrap DRI Functions */ - if (pDRIInfo->wrap.ValidateTree) { - pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree; - pDRIPriv->wrap.ValidateTree = NULL; - } - if (pDRIInfo->wrap.PostValidateTree) { - pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree; - pDRIPriv->wrap.PostValidateTree = NULL; - } - if (pDRIInfo->wrap.WindowExposures) { - pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures; - pDRIPriv->wrap.WindowExposures = NULL; - } - if (pDRIPriv->DestroyWindow) { - pScreen->DestroyWindow = pDRIPriv->DestroyWindow; - pDRIPriv->DestroyWindow = NULL; - } - - xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify); - - if (pDRIInfo->wrap.CopyWindow) { - pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow; - pDRIPriv->wrap.CopyWindow = NULL; - } - if (pDRIInfo->wrap.ClipNotify) { - pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify; - pDRIPriv->wrap.ClipNotify = NULL; - } - if (pDRIInfo->wrap.AdjustFrame) { - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame; - pDRIPriv->wrap.AdjustFrame = NULL; - } - - pDRIPriv->wrapped = FALSE; - } - - if (pDRIPriv->drmSIGIOHandlerInstalled) { - if (!drmRemoveSIGIOHandler(pDRIPriv->drmFD)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[drm] failed to remove DRM signal handler\n"); - } - } - - if (pDRIPriv->dummyCtxPriv && pDRIPriv->createDummyCtx) { - DRIDestroyDummyContext(pScreen, pDRIPriv->createDummyCtxPriv); - } - - if (!DRIDestroyContextPriv(pDRIPriv->myContextPriv)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "failed to destroy server context\n"); - } - - /* Remove tags for reserved contexts */ - if (pDRIEntPriv->resOwner == pScreen) { - pDRIEntPriv->resOwner = NULL; - - if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD, - &reserved_count))) { - int i; - - for (i = 0; i < reserved_count; i++) { - DRIDestroyContextPriv(drmGetContextTag(pDRIPriv->drmFD, - reserved[i])); - } - drmFreeReservedContextList(reserved); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] removed %d reserved context%s for kernel\n", - reserved_count, reserved_count > 1 ? "s" : ""); - } - } - - /* Make sure signals get unblocked etc. */ - drmUnlock(pDRIPriv->drmFD, pDRIPriv->myContext); - pDRIPriv->pLockRefCount = NULL; - closeMaster = (--pDRIEntPriv->refCount == 0) && - !pDRIEntPriv->keepFDOpen; - if (closeMaster || pDRIPriv->hSAREA != pDRIEntPriv->hLSAREA) { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] unmapping %d bytes of SAREA %p at %p\n", - pDRIInfo->SAREASize, - pDRIPriv->hSAREA, - pDRIPriv->pSAREA); - if (drmUnmap(pDRIPriv->pSAREA, pDRIInfo->SAREASize)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[drm] unable to unmap %d bytes" - " of SAREA %p at %p\n", - pDRIInfo->SAREASize, - pDRIPriv->hSAREA, - pDRIPriv->pSAREA); - } - } else { - pDRIEntPriv->sAreaGrabbed = FALSE; - } - - if (closeMaster || (pDRIEntPriv->drmFD != pDRIPriv->drmFD)) { - drmClose(pDRIPriv->drmFD); - if (pDRIEntPriv->drmFD == pDRIPriv->drmFD) { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] Closed DRM master.\n"); - pDRIEntPriv->drmFD = -1; - } - } - - xfree(pDRIPriv); - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - } -} - -#define DRM_MSG_VERBOSITY 3 - -static int dri_drm_debug_print(const char *format, va_list ap) -{ - xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap); - return 0; -} - -static void dri_drm_get_perms(gid_t *group, mode_t *mode) -{ - *group = xf86ConfigDRI.group; - *mode = xf86ConfigDRI.mode; -} - -drmServerInfo DRIDRMServerInfo = { - dri_drm_debug_print, - xf86LoadKernelModule, - dri_drm_get_perms, -}; - -Bool -DRIExtensionInit(void) -{ - if (!DRIScreenPrivKey || DRIGeneration != serverGeneration) { - return FALSE; - } - - DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete, - "DRIDrawable"); - DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete, - "DRIContext"); - - if (!DRIDrawablePrivResType || !DRIContextPrivResType) - return FALSE; - - RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL); - - return TRUE; -} - -void -DRIReset(void) -{ - /* - * This stub routine is called when the X Server recycles, resources - * allocated by DRIExtensionInit need to be managed here. - * - * Currently this routine is a stub because all the interesting resources - * are managed via the screen init process. - */ -} - -Bool -DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool* isCapable) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv) - *isCapable = pDRIPriv->directRenderingSupport; - else - *isCapable = FALSE; - - return TRUE; -} - -Bool -DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - *hSAREA = pDRIPriv->hSAREA; - *busIdString = pDRIPriv->pDriverInfo->busIdString; - - return TRUE; -} - -Bool -DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE; - return TRUE; -} - -Bool -DRICloseConnection(ScreenPtr pScreen) -{ - return TRUE; -} - -Bool -DRIGetClientDriverName(ScreenPtr pScreen, - int *ddxDriverMajorVersion, - int *ddxDriverMinorVersion, - int *ddxDriverPatchVersion, - char **clientDriverName) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion; - *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion; - *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion; - *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName; - - return TRUE; -} - -/* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper - functions that layer on drmCreateContext and drmAddContextTag. - - DRICreateContextPriv always creates a kernel drm_context_t and then calls - DRICreateContextPrivFromHandle to create a DRIContextPriv structure for - DRI tracking. For the SIGIO handler, the drm_context_t is associated with - DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv - area and are passed to the kernel (if necessary). - - DRICreateContextPriv returns a pointer to newly allocated - DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */ - -DRIContextPrivPtr -DRICreateContextPriv(ScreenPtr pScreen, - drm_context_t * pHWContext, - DRIContextFlags flags) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) { - return NULL; - } - - return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags); -} - -DRIContextPrivPtr -DRICreateContextPrivFromHandle(ScreenPtr pScreen, - drm_context_t hHWContext, - DRIContextFlags flags) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIContextPrivPtr pDRIContextPriv; - int contextPrivSize; - - contextPrivSize = sizeof(DRIContextPrivRec) + - pDRIPriv->pDriverInfo->contextSize; - if (!(pDRIContextPriv = xcalloc(1, contextPrivSize))) { - return NULL; - } - pDRIContextPriv->pContextStore = (void *)(pDRIContextPriv + 1); - - drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv); - - pDRIContextPriv->hwContext = hHWContext; - pDRIContextPriv->pScreen = pScreen; - pDRIContextPriv->flags = flags; - pDRIContextPriv->valid3D = FALSE; - - if (flags & DRI_CONTEXT_2DONLY) { - if (drmSetContextFlags(pDRIPriv->drmFD, - hHWContext, - DRM_CONTEXT_2DONLY)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[drm] failed to set 2D context flag\n"); - DRIDestroyContextPriv(pDRIContextPriv); - return NULL; - } - } - if (flags & DRI_CONTEXT_PRESERVED) { - if (drmSetContextFlags(pDRIPriv->drmFD, - hHWContext, - DRM_CONTEXT_PRESERVED)) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[drm] failed to set preserved flag\n"); - DRIDestroyContextPriv(pDRIContextPriv); - return NULL; - } - } - return pDRIContextPriv; -} - -Bool -DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv) -{ - DRIScreenPrivPtr pDRIPriv; - - if (!pDRIContextPriv) return TRUE; - - pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen); - - if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) { - /* Don't delete reserved contexts from - kernel area -- the kernel manages its - reserved contexts itself. */ - if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext)) - return FALSE; - } - - /* Remove the tag last to prevent a race - condition where the context has pending - buffers. The context can't be re-used - while in this thread, but buffers can be - dispatched asynchronously. */ - drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext); - xfree(pDRIContextPriv); - return TRUE; -} - -static Bool -DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIContextPrivPtr pDRIContextPriv; - void *contextStore; - - if (!(pDRIContextPriv = - DRICreateContextPriv(pScreen, - &pDRIPriv->pSAREA->dummy_context, 0))) { - return FALSE; - } - - contextStore = DRIGetContextStore(pDRIContextPriv); - if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) { - if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, NULL, - pDRIPriv->pSAREA->dummy_context, - NULL, - (DRIContextType)(long)contextStore)) { - DRIDestroyContextPriv(pDRIContextPriv); - return FALSE; - } - } - - pDRIPriv->dummyCtxPriv = pDRIContextPriv; - return TRUE; -} - -static void -DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIContextPrivPtr pDRIContextPriv = pDRIPriv->dummyCtxPriv; - void *contextStore; - - if (!pDRIContextPriv) return; - if (pDRIPriv->pDriverInfo->DestroyContext && hasCtxPriv) { - contextStore = DRIGetContextStore(pDRIContextPriv); - pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen, - pDRIContextPriv->hwContext, - (DRIContextType)(long)contextStore); - } - - DRIDestroyContextPriv(pDRIPriv->dummyCtxPriv); - pDRIPriv->dummyCtxPriv = NULL; -} - -Bool -DRICreateContext(ScreenPtr pScreen, VisualPtr visual, - XID context, drm_context_t * pHWContext) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIContextPrivPtr pDRIContextPriv; - void *contextStore; - - if (pDRIPriv->createDummyCtx && !pDRIPriv->dummyCtxPriv) { - if (!DRICreateDummyContext(pScreen, pDRIPriv->createDummyCtxPriv)) { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[drm] Could not create dummy context\n"); - return FALSE; - } - } - - if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) { - return FALSE; - } - - contextStore = DRIGetContextStore(pDRIContextPriv); - if (pDRIPriv->pDriverInfo->CreateContext) { - if (!((*pDRIPriv->pDriverInfo->CreateContext)(pScreen, NULL, - *pHWContext, NULL, - (DRIContextType)(long)contextStore))) { - DRIDestroyContextPriv(pDRIContextPriv); - return FALSE; - } - } - - /* track this in case the client dies before cleanup */ - AddResource(context, DRIContextPrivResType, (pointer)pDRIContextPriv); - - return TRUE; -} - -Bool -DRIDestroyContext(ScreenPtr pScreen, XID context) -{ - FreeResourceByType(context, DRIContextPrivResType, FALSE); - - return TRUE; -} - -/* DRIContextPrivDelete is called by the resource manager. */ -Bool -DRIContextPrivDelete(pointer pResource, XID id) -{ - DRIContextPrivPtr pDRIContextPriv = (DRIContextPrivPtr)pResource; - DRIScreenPrivPtr pDRIPriv; - void *contextStore; - - pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen); - if (pDRIPriv->pDriverInfo->DestroyContext) { - contextStore = DRIGetContextStore(pDRIContextPriv); - pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen, - pDRIContextPriv->hwContext, - (DRIContextType)(long)contextStore); - } - return DRIDestroyContextPriv(pDRIContextPriv); -} - - -/* This walks the drawable timestamp array and invalidates all of them - * in the case of transition from private to shared backbuffers. It's - * not necessary for correctness, because DRIClipNotify gets called in - * time to prevent any conflict, but the transition from - * shared->private is sometimes missed if we don't do this. - */ -static void -DRIClipNotifyAllDrawables(ScreenPtr pScreen) -{ - int i; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) { - pDRIPriv->pSAREA->drawableTable[i].stamp = DRIDrawableValidationStamp++; - } -} - - -static void -DRITransitionToSharedBuffers(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - DRIClipNotifyAllDrawables( pScreen ); - - if (pDRIInfo->TransitionSingleToMulti3D) - pDRIInfo->TransitionSingleToMulti3D( pScreen ); -} - - -static void -DRITransitionToPrivateBuffers(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - DRIClipNotifyAllDrawables( pScreen ); - - if (pDRIInfo->TransitionMultiToSingle3D) - pDRIInfo->TransitionMultiToSingle3D( pScreen ); -} - - -static void -DRITransitionTo3d(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - DRIClipNotifyAllDrawables( pScreen ); - - if (pDRIInfo->TransitionTo3d) - pDRIInfo->TransitionTo3d( pScreen ); -} - -static void -DRITransitionTo2d(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - DRIClipNotifyAllDrawables( pScreen ); - - if (pDRIInfo->TransitionTo2d) - pDRIInfo->TransitionTo2d( pScreen ); -} - - -static int -DRIDCNTreeTraversal(WindowPtr pWin, pointer data) -{ - DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - - if (pDRIDrawablePriv) { - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (REGION_NUM_RECTS(&pWin->clipList) > 0) { - WindowPtr *pDRIWindows = (WindowPtr*)data; - int i = 0; - - while (pDRIWindows[i]) - i++; - - pDRIWindows[i] = pWin; - - pDRIPriv->nrWalked++; - } - - if (pDRIPriv->nrWindows == pDRIPriv->nrWalked) - return WT_STOPWALKING; - } - - return WT_WALKCHILDREN; -} - -static void -DRIDriverClipNotify(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv->pDriverInfo->ClipNotify) { - WindowPtr *pDRIWindows = xcalloc(sizeof(WindowPtr), pDRIPriv->nrWindows); - DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; - - if (pDRIPriv->nrWindows > 0) { - pDRIPriv->nrWalked = 0; - TraverseTree(WindowTable[pScreen->myNum], DRIDCNTreeTraversal, - (pointer)pDRIWindows); - } - - pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows); - - xfree(pDRIWindows); - } -} - -static void -DRIIncreaseNumberVisible(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - switch (++pDRIPriv->nrWindowsVisible) { - case 1: - DRITransitionTo3d( pScreen ); - break; - case 2: - DRITransitionToSharedBuffers( pScreen ); - break; - default: - break; - } - - DRIDriverClipNotify(pScreen); -} - -static void -DRIDecreaseNumberVisible(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - switch (--pDRIPriv->nrWindowsVisible) { - case 0: - DRITransitionTo2d( pScreen ); - break; - case 1: - DRITransitionToPrivateBuffers( pScreen ); - break; - default: - break; - } - - DRIDriverClipNotify(pScreen); -} - -Bool -DRICreateDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable, - drm_drawable_t * hHWDrawable) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv; - WindowPtr pWin; - - if (pDrawable->type == DRAWABLE_WINDOW) { - pWin = (WindowPtr)pDrawable; - if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { - pDRIDrawablePriv->refCount++; - - if (!pDRIDrawablePriv->hwDrawable) { - drmCreateDrawable(pDRIPriv->drmFD, &pDRIDrawablePriv->hwDrawable); - } - } - else { - /* allocate a DRI Window Private record */ - if (!(pDRIDrawablePriv = xalloc(sizeof(DRIDrawablePrivRec)))) { - return FALSE; - } - - /* Only create a drm_drawable_t once */ - if (drmCreateDrawable(pDRIPriv->drmFD, - &pDRIDrawablePriv->hwDrawable)) { - xfree(pDRIDrawablePriv); - return FALSE; - } - - /* add it to the list of DRI drawables for this screen */ - pDRIDrawablePriv->pScreen = pScreen; - pDRIDrawablePriv->refCount = 1; - pDRIDrawablePriv->drawableIndex = -1; - pDRIDrawablePriv->nrects = REGION_NUM_RECTS(&pWin->clipList); - - /* save private off of preallocated index */ - dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, - pDRIDrawablePriv); - pDRIPriv->nrWindows++; - - if (pDRIDrawablePriv->nrects) - DRIIncreaseNumberVisible(pScreen); - } - - /* track this in case the client dies */ - AddResource(FakeClientID(client->index), DRIDrawablePrivResType, - (pointer)(intptr_t)pDrawable->id); - - if (pDRIDrawablePriv->hwDrawable) { - drmUpdateDrawableInfo(pDRIPriv->drmFD, - pDRIDrawablePriv->hwDrawable, - DRM_DRAWABLE_CLIPRECTS, - REGION_NUM_RECTS(&pWin->clipList), - REGION_RECTS(&pWin->clipList)); - *hHWDrawable = pDRIDrawablePriv->hwDrawable; - } - } - else if (pDrawable->type != DRAWABLE_PIXMAP) { /* PBuffer */ - /* NOT_DONE */ - return FALSE; - } - - return TRUE; -} - -static void -DRIDrawablePrivDestroy(WindowPtr pWin) -{ - DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - ScreenPtr pScreen; - DRIScreenPrivPtr pDRIPriv; - - if (!pDRIDrawablePriv) - return; - - pScreen = pWin->drawable.pScreen; - pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIDrawablePriv->drawableIndex != -1) { - /* bump stamp to force outstanding 3D requests to resync */ - pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp - = DRIDrawableValidationStamp++; - - /* release drawable table entry */ - pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL; - } - - pDRIPriv->nrWindows--; - - if (pDRIDrawablePriv->nrects) - DRIDecreaseNumberVisible(pScreen); - - drmDestroyDrawable(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable); - - xfree(pDRIDrawablePriv); - dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL); -} - -static Bool -DRIDestroyDrawableCB(pointer value, XID id, pointer data) -{ - if (value == data) { - /* This calls back DRIDrawablePrivDelete which frees private area */ - FreeResourceByType(id, DRIDrawablePrivResType, FALSE); - - return TRUE; - } - - return FALSE; -} - -Bool -DRIDestroyDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable) -{ - if (pDrawable->type == DRAWABLE_WINDOW) { - LookupClientResourceComplex(client, DRIDrawablePrivResType, - DRIDestroyDrawableCB, - (pointer)(intptr_t)pDrawable->id); - } - else { /* pixmap (or for GLX 1.3, a PBuffer) */ - /* NOT_DONE */ - return FALSE; - } - - return TRUE; -} - -Bool -DRIDrawablePrivDelete(pointer pResource, XID id) -{ - WindowPtr pWin; - int rc; - - /* For DRIDrawablePrivResType, the XID is the client's fake ID. The - * important XID is the value in pResource. */ - id = (XID)(intptr_t)pResource; - rc = dixLookupWindow(&pWin, id, serverClient, DixGetAttrAccess); - - if (rc == Success) { - DRIDrawablePrivPtr pDRIDrwPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - - if (!pDRIDrwPriv) - return FALSE; - - if (--pDRIDrwPriv->refCount == 0) - DRIDrawablePrivDestroy(pWin); - - return TRUE; - } - else { /* pixmap (or for GLX 1.3, a PBuffer) */ - /* NOT_DONE */ - return FALSE; - } -} - -Bool -DRIGetDrawableInfo(ScreenPtr pScreen, - DrawablePtr pDrawable, - unsigned int* index, - unsigned int* stamp, - int* X, - int* Y, - int* W, - int* H, - int* numClipRects, - drm_clip_rect_t ** pClipRects, - int* backX, - int* backY, - int* numBackClipRects, - drm_clip_rect_t ** pBackClipRects) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv, pOldDrawPriv; - WindowPtr pWin, pOldWin; - int i; - -#if 0 - printf("maxDrawableTableEntry = %d\n", pDRIPriv->pDriverInfo->maxDrawableTableEntry); -#endif - - if (pDrawable->type == DRAWABLE_WINDOW) { - pWin = (WindowPtr)pDrawable; - if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { - - /* Manage drawable table */ - if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */ - - /* Search table for empty entry */ - i = 0; - while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) { - if (!(pDRIPriv->DRIDrawables[i])) { - pDRIPriv->DRIDrawables[i] = pDrawable; - pDRIDrawablePriv->drawableIndex = i; - pDRIPriv->pSAREA->drawableTable[i].stamp = - DRIDrawableValidationStamp++; - break; - } - i++; - } - - /* Search table for oldest entry */ - if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) { - unsigned int oldestStamp = ~0; - int oldestIndex = 0; - i = pDRIPriv->pDriverInfo->maxDrawableTableEntry; - while (i--) { - if (pDRIPriv->pSAREA->drawableTable[i].stamp < - oldestStamp) { - oldestIndex = i; - oldestStamp = - pDRIPriv->pSAREA->drawableTable[i].stamp; - } - } - pDRIDrawablePriv->drawableIndex = oldestIndex; - - /* release oldest drawable table entry */ - pOldWin = (WindowPtr)pDRIPriv->DRIDrawables[oldestIndex]; - pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin); - pOldDrawPriv->drawableIndex = -1; - - /* claim drawable table entry */ - pDRIPriv->DRIDrawables[oldestIndex] = pDrawable; - - /* validate SAREA entry */ - pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp = - DRIDrawableValidationStamp++; - - /* check for stamp wrap around */ - if (oldestStamp > DRIDrawableValidationStamp) { - - /* walk SAREA table and invalidate all drawables */ - for( i=0; - i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; - i++) { - pDRIPriv->pSAREA->drawableTable[i].stamp = - DRIDrawableValidationStamp++; - } - } - } - - /* If the driver wants to be notified when the index is - * set for a drawable, let it know now. - */ - if (pDRIPriv->pDriverInfo->SetDrawableIndex) - pDRIPriv->pDriverInfo->SetDrawableIndex(pWin, - pDRIDrawablePriv->drawableIndex); - - /* reinit drawable ID if window is visible */ - if ((pWin->viewable) && - (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS)) - { - (*pDRIPriv->pDriverInfo->InitBuffers)(pWin, - &pWin->clipList, pDRIDrawablePriv->drawableIndex); - } - } - - *index = pDRIDrawablePriv->drawableIndex; - *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp; - *X = (int)(pWin->drawable.x); - *Y = (int)(pWin->drawable.y); -#if 0 - *W = (int)(pWin->winSize.extents.x2 - pWin->winSize.extents.x1); - *H = (int)(pWin->winSize.extents.y2 - pWin->winSize.extents.y1); -#endif - *W = (int)(pWin->drawable.width); - *H = (int)(pWin->drawable.height); - *numClipRects = REGION_NUM_RECTS(&pWin->clipList); - *pClipRects = (drm_clip_rect_t *)REGION_RECTS(&pWin->clipList); - - if (!*numClipRects && pDRIPriv->fullscreen) { - /* use fake full-screen clip rect */ - pDRIPriv->fullscreen_rect.x1 = *X; - pDRIPriv->fullscreen_rect.y1 = *Y; - pDRIPriv->fullscreen_rect.x2 = *X + *W; - pDRIPriv->fullscreen_rect.y2 = *Y + *H; - - *numClipRects = 1; - *pClipRects = &pDRIPriv->fullscreen_rect; - } - - *backX = *X; - *backY = *Y; - - if (pDRIPriv->nrWindowsVisible == 1 && *numClipRects) { - /* Use a single cliprect. */ - - int x0 = *X; - int y0 = *Y; - int x1 = x0 + *W; - int y1 = y0 + *H; - - if (x0 < 0) x0 = 0; - if (y0 < 0) y0 = 0; - if (x1 > pScreen->width) x1 = pScreen->width; - if (y1 > pScreen->height) y1 = pScreen->height; - - if (y0 >= y1 || x0 >= x1) { - *numBackClipRects = 0; - *pBackClipRects = NULL; - } else { - pDRIPriv->private_buffer_rect.x1 = x0; - pDRIPriv->private_buffer_rect.y1 = y0; - pDRIPriv->private_buffer_rect.x2 = x1; - pDRIPriv->private_buffer_rect.y2 = y1; - - *numBackClipRects = 1; - *pBackClipRects = &(pDRIPriv->private_buffer_rect); - } - } else { - /* Use the frontbuffer cliprects for back buffers. */ - *numBackClipRects = 0; - *pBackClipRects = 0; - } - } - else { - /* Not a DRIDrawable */ - return FALSE; - } - } - else { /* pixmap (or for GLX 1.3, a PBuffer) */ - /* NOT_DONE */ - return FALSE; - } - - return TRUE; -} - -Bool -DRIGetDeviceInfo(ScreenPtr pScreen, - drm_handle_t * hFrameBuffer, - int* fbOrigin, - int* fbSize, - int* fbStride, - int* devPrivateSize, - void** pDevPrivate) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - *hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer; - *fbOrigin = 0; - *fbSize = pDRIPriv->pDriverInfo->frameBufferSize; - *fbStride = pDRIPriv->pDriverInfo->frameBufferStride; - *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize; - *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate; - - return TRUE; -} - -DRIInfoPtr -DRICreateInfoRec(void) -{ - DRIInfoPtr inforec = (DRIInfoPtr)xcalloc(1, sizeof(DRIInfoRec)); - if (!inforec) return NULL; - - /* Initialize defaults */ - inforec->busIdString = NULL; - - /* Wrapped function defaults */ - inforec->wrap.WakeupHandler = DRIDoWakeupHandler; - inforec->wrap.BlockHandler = DRIDoBlockHandler; - inforec->wrap.WindowExposures = DRIWindowExposures; - inforec->wrap.CopyWindow = DRICopyWindow; - inforec->wrap.ValidateTree = DRIValidateTree; - inforec->wrap.PostValidateTree = DRIPostValidateTree; - inforec->wrap.ClipNotify = DRIClipNotify; - inforec->wrap.AdjustFrame = DRIAdjustFrame; - - inforec->TransitionTo2d = 0; - inforec->TransitionTo3d = 0; - inforec->SetDrawableIndex = 0; - - return inforec; -} - -void -DRIDestroyInfoRec(DRIInfoPtr DRIInfo) -{ - if (DRIInfo->busIdString) xfree(DRIInfo->busIdString); - xfree((char*)DRIInfo); -} - - -void -DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask) -{ - int i; - - for (i = 0; i < screenInfo.numScreens; i++) { - ScreenPtr pScreen = screenInfo.screens[i]; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv && - pDRIPriv->pDriverInfo->wrap.WakeupHandler) - (*pDRIPriv->pDriverInfo->wrap.WakeupHandler)(i, wakeupData, - result, pReadmask); - } -} - -void -DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask) -{ - int i; - - for (i = 0; i < screenInfo.numScreens; i++) { - ScreenPtr pScreen = screenInfo.screens[i]; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv && - pDRIPriv->pDriverInfo->wrap.BlockHandler) - (*pDRIPriv->pDriverInfo->wrap.BlockHandler)(i, blockData, - pTimeout, pReadmask); - } -} - -void -DRIDoWakeupHandler(int screenNum, pointer wakeupData, - unsigned long result, pointer pReadmask) -{ - ScreenPtr pScreen = screenInfo.screens[screenNum]; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - DRILock(pScreen, 0); - if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { - /* hide X context by swapping 2D component here */ - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - DRI_3D_SYNC, - DRI_2D_CONTEXT, - pDRIPriv->partial3DContextStore, - DRI_2D_CONTEXT, - pDRIPriv->hiddenContextStore); - } -} - -void -DRIDoBlockHandler(int screenNum, pointer blockData, - pointer pTimeout, pointer pReadmask) -{ - ScreenPtr pScreen = screenInfo.screens[screenNum]; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { - /* hide X context by swapping 2D component here */ - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - DRI_2D_SYNC, - DRI_NO_CONTEXT, - NULL, - DRI_2D_CONTEXT, - pDRIPriv->partial3DContextStore); - } - - if (pDRIPriv->windowsTouched) - DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1); - pDRIPriv->windowsTouched = FALSE; - - DRIUnlock(pScreen); -} - -void -DRISwapContext(int drmFD, void *oldctx, void *newctx) -{ - DRIContextPrivPtr oldContext = (DRIContextPrivPtr)oldctx; - DRIContextPrivPtr newContext = (DRIContextPrivPtr)newctx; - ScreenPtr pScreen = newContext->pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - void* oldContextStore = NULL; - DRIContextType oldContextType; - void* newContextStore = NULL; - DRIContextType newContextType; - DRISyncType syncType; -#ifdef DEBUG - static int count = 0; - - if (!newContext) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n", - oldContext, newContext); - return; - } - - /* usefull for debugging, just print out after n context switches */ - if (!count || !(count % 1)) { - DRIDrvMsg(pScreen->myNum, X_INFO, - "[DRI] Context switch %5d from %p/0x%08x (%d)\n", - count, - oldContext, - oldContext ? oldContext->flags : 0, - oldContext ? oldContext->hwContext : -1); - DRIDrvMsg(pScreen->myNum, X_INFO, - "[DRI] Context switch %5d to %p/0x%08x (%d)\n", - count, - newContext, - newContext ? newContext->flags : 0, - newContext ? newContext->hwContext : -1); - } - ++count; -#endif - - if (!pDRIPriv->pDriverInfo->SwapContext) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[DRI] DDX driver missing context swap call back\n"); - return; - } - - if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { - - /* only 3D contexts are swapped in this case */ - if (oldContext) { - oldContextStore = DRIGetContextStore(oldContext); - oldContext->valid3D = TRUE; - oldContextType = DRI_3D_CONTEXT; - } else { - oldContextType = DRI_NO_CONTEXT; - } - newContextStore = DRIGetContextStore(newContext); - if ((newContext->valid3D) && - (newContext->hwContext != pDRIPriv->myContext)) { - newContextType = DRI_3D_CONTEXT; - } - else { - newContextType = DRI_2D_CONTEXT; - } - syncType = DRI_3D_SYNC; - } - else /* default: driverSwapMethod == DRI_SERVER_SWAP */ { - - /* optimize 2D context swaps */ - - if (newContext->flags & DRI_CONTEXT_2DONLY) { - /* go from 3D context to 2D context and only save 2D - * subset of 3D state - */ - oldContextStore = DRIGetContextStore(oldContext); - oldContextType = DRI_2D_CONTEXT; - newContextStore = DRIGetContextStore(newContext); - newContextType = DRI_2D_CONTEXT; - syncType = DRI_3D_SYNC; - pDRIPriv->lastPartial3DContext = oldContext; - } - else if (oldContext->flags & DRI_CONTEXT_2DONLY) { - if (pDRIPriv->lastPartial3DContext == newContext) { - /* go from 2D context back to previous 3D context and - * only restore 2D subset of previous 3D state - */ - oldContextStore = DRIGetContextStore(oldContext); - oldContextType = DRI_2D_CONTEXT; - newContextStore = DRIGetContextStore(newContext); - newContextType = DRI_2D_CONTEXT; - syncType = DRI_2D_SYNC; - } - else { - /* go from 2D context to a different 3D context */ - - /* call DDX driver to do partial restore */ - oldContextStore = DRIGetContextStore(oldContext); - newContextStore = - DRIGetContextStore(pDRIPriv->lastPartial3DContext); - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - DRI_2D_SYNC, - DRI_2D_CONTEXT, - oldContextStore, - DRI_2D_CONTEXT, - newContextStore); - - /* now setup for a complete 3D swap */ - oldContextStore = newContextStore; - oldContext->valid3D = TRUE; - oldContextType = DRI_3D_CONTEXT; - newContextStore = DRIGetContextStore(newContext); - if ((newContext->valid3D) && - (newContext->hwContext != pDRIPriv->myContext)) { - newContextType = DRI_3D_CONTEXT; - } - else { - newContextType = DRI_2D_CONTEXT; - } - syncType = DRI_NO_SYNC; - } - } - else { - /* now setup for a complete 3D swap */ - oldContextStore = newContextStore; - oldContext->valid3D = TRUE; - oldContextType = DRI_3D_CONTEXT; - newContextStore = DRIGetContextStore(newContext); - if ((newContext->valid3D) && - (newContext->hwContext != pDRIPriv->myContext)) { - newContextType = DRI_3D_CONTEXT; - } - else { - newContextType = DRI_2D_CONTEXT; - } - syncType = DRI_3D_SYNC; - } - } - - /* call DDX driver to perform the swap */ - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - syncType, - oldContextType, - oldContextStore, - newContextType, - newContextStore); -} - -void* -DRIGetContextStore(DRIContextPrivPtr context) -{ - return((void *)context->pContextStore); -} - -void -DRIWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr bsreg) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - - if(pDRIDrawablePriv) { - (*pDRIPriv->pDriverInfo->InitBuffers)(pWin, prgn, - pDRIDrawablePriv->drawableIndex); - } - - /* call lower wrapped functions */ - if (pDRIPriv && pDRIPriv->wrap.WindowExposures) { - - /* unwrap */ - pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures; - - /* call lower layers */ - (*pScreen->WindowExposures)(pWin, prgn, bsreg); - - /* rewrap */ - pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures; - pScreen->WindowExposures = DRIWindowExposures; - } -} - - -static int -DRITreeTraversal(WindowPtr pWin, pointer data) -{ - DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - - if(pDRIDrawablePriv) { - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if(REGION_NUM_RECTS(&(pWin->clipList)) > 0) { - RegionPtr reg = (RegionPtr)data; - - REGION_UNION(pScreen, reg, reg, &(pWin->clipList)); - pDRIPriv->nrWalked++; - } - - if(pDRIPriv->nrWindows == pDRIPriv->nrWalked) - return WT_STOPWALKING; - } - return WT_WALKCHILDREN; -} - -Bool -DRIDestroyWindow(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - Bool retval = TRUE; - - DRIDrawablePrivDestroy(pWin); - - /* call lower wrapped functions */ - if(pDRIPriv->DestroyWindow) { - /* unwrap */ - pScreen->DestroyWindow = pDRIPriv->DestroyWindow; - - /* call lower layers */ - retval = (*pScreen->DestroyWindow)(pWin); - - /* rewrap */ - pDRIPriv->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = DRIDestroyWindow; - } - - return retval; -} - -void -DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if(!pDRIPriv) return; - - if(pDRIPriv->nrWindowsVisible > 0) { - RegionRec reg; - - REGION_NULL(pScreen, ®); - pDRIPriv->nrWalked = 0; - TraverseTree(pWin, DRITreeTraversal, (pointer)(®)); - - if(REGION_NOTEMPTY(pScreen, ®)) { - REGION_TRANSLATE(pScreen, ®, ptOldOrg.x - pWin->drawable.x, - ptOldOrg.y - pWin->drawable.y); - REGION_INTERSECT(pScreen, ®, ®, prgnSrc); - - /* The MoveBuffers interface is not ideal */ - (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, ®, - pDRIPriv->pDriverInfo->ddxDrawableTableEntry); - } - - REGION_UNINIT(pScreen, ®); - } - - /* call lower wrapped functions */ - if(pDRIPriv->wrap.CopyWindow) { - /* unwrap */ - pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow; - - /* call lower layers */ - (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc); - - /* rewrap */ - pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow; - pScreen->CopyWindow = DRICopyWindow; - } -} - -static void -DRIGetSecs(long *secs, long *usecs) -{ - struct timeval tv; - - gettimeofday(&tv, NULL); - - *secs = tv.tv_sec; - *usecs = tv.tv_usec; -} - -static unsigned long -DRIComputeMilliSeconds(unsigned long s_secs, unsigned long s_usecs, - unsigned long f_secs, unsigned long f_usecs) -{ - if (f_usecs < s_usecs) { - --f_secs; - f_usecs += 1000000; - } - return (f_secs - s_secs) * 1000 + (f_usecs - s_usecs) / 1000; -} - -static void -DRISpinLockTimeout(drmLock *lock, int val, unsigned long timeout /* in mS */) -{ - int count = 10000; -#if !defined(__alpha__) && !defined(__powerpc__) - char ret; -#else - int ret; -#endif - long s_secs, s_usecs; - long f_secs, f_usecs; - long msecs; - long prev = 0; - - DRIGetSecs(&s_secs, &s_usecs); - - do { - DRM_SPINLOCK_COUNT(lock, val, count, ret); - if (!ret) return; /* Got lock */ - DRIGetSecs(&f_secs, &f_usecs); - msecs = DRIComputeMilliSeconds(s_secs, s_usecs, f_secs, f_usecs); - if (msecs - prev < 250) count *= 2; /* Not more than 0.5S */ - } while (msecs < timeout); - - /* Didn't get lock, so take it. The worst - that can happen is that there is some - garbage written to the wrong part of the - framebuffer that a refresh will repair. - That's undesirable, but better than - locking the server. This should be a - very rare event. */ - DRM_SPINLOCK_TAKE(lock, val); -} - -static void -DRILockTree(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if(!pDRIPriv) return; - - /* Restore the last known 3D context if the X context is hidden */ - if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - DRI_2D_SYNC, - DRI_NO_CONTEXT, - NULL, - DRI_2D_CONTEXT, - pDRIPriv->partial3DContextStore); - } - - /* Call kernel to release lock */ - DRIUnlock(pScreen); - - /* Grab drawable spin lock: a time out between 10 and 30 seconds is - appropriate, since this should never time out except in the case of - client death while the lock is being held. The timeout must be - greater than any reasonable rendering time. */ - DRISpinLockTimeout(&pDRIPriv->pSAREA->drawable_lock, 1, 10000); /*10 secs*/ - - /* Call kernel flush outstanding buffers and relock */ - DRILock(pScreen, DRM_LOCK_QUIESCENT|DRM_LOCK_FLUSH_ALL); - - /* Switch back to our 2D context if the X context is hidden */ - if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { - /* hide X context by swapping 2D component here */ - (*pDRIPriv->pDriverInfo->SwapContext)(pScreen, - DRI_3D_SYNC, - DRI_2D_CONTEXT, - pDRIPriv->partial3DContextStore, - DRI_2D_CONTEXT, - pDRIPriv->hiddenContextStore); - } -} - -int -DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - ScreenPtr pScreen = pParent->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - int returnValue = 1; /* always return 1, not checked by dix/window.c */ - - if(!pDRIPriv) return returnValue; - - /* call lower wrapped functions */ - if(pDRIPriv->wrap.ValidateTree) { - /* unwrap */ - pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree; - - /* call lower layers */ - returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind); - - /* rewrap */ - pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree; - pScreen->ValidateTree = DRIValidateTree; - } - - return returnValue; -} - -void -DRIPostValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - ScreenPtr pScreen; - DRIScreenPrivPtr pDRIPriv; - - if (pParent) { - pScreen = pParent->drawable.pScreen; - } else { - pScreen = pChild->drawable.pScreen; - } - if(!(pDRIPriv = DRI_SCREEN_PRIV(pScreen))) return; - - if (pDRIPriv->wrap.PostValidateTree) { - /* unwrap */ - pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree; - - /* call lower layers */ - (*pScreen->PostValidateTree)(pParent, pChild, kind); - - /* rewrap */ - pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree; - pScreen->PostValidateTree = DRIPostValidateTree; - } -} - -void -DRIClipNotify(WindowPtr pWin, int dx, int dy) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv; - - if(!pDRIPriv) return; - - if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { - int nrects = REGION_NUM_RECTS(&pWin->clipList); - - if(!pDRIPriv->windowsTouched) { - DRILockTree(pScreen); - pDRIPriv->windowsTouched = TRUE; - } - - if (nrects && !pDRIDrawablePriv->nrects) - DRIIncreaseNumberVisible(pScreen); - else if (!nrects && pDRIDrawablePriv->nrects) - DRIDecreaseNumberVisible(pScreen); - else - DRIDriverClipNotify(pScreen); - - pDRIDrawablePriv->nrects = nrects; - - pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp - = DRIDrawableValidationStamp++; - - drmUpdateDrawableInfo(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable, - DRM_DRAWABLE_CLIPRECTS, - nrects, REGION_RECTS(&pWin->clipList)); - } - - /* call lower wrapped functions */ - if(pDRIPriv->wrap.ClipNotify) { - - /* unwrap */ - pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify; - - /* call lower layers */ - (*pScreen->ClipNotify)(pWin, dx, dy); - - /* rewrap */ - pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify; - pScreen->ClipNotify = DRIClipNotify; - } -} - -CARD32 -DRIGetDrawableIndex(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - CARD32 index; - - if (pDRIDrawablePriv) { - index = pDRIDrawablePriv->drawableIndex; - } - else { - index = pDRIPriv->pDriverInfo->ddxDrawableTableEntry; - } - - return index; -} - -unsigned int -DRIGetDrawableStamp(ScreenPtr pScreen, CARD32 drawable_index) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - return pDRIPriv->pSAREA->drawableTable[drawable_index].stamp; -} - - -void -DRIPrintDrawableLock(ScreenPtr pScreen, char *msg) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - ErrorF("%s: %d\n", msg, pDRIPriv->pSAREA->drawable_lock.lock); -} - -void -DRILock(ScreenPtr pScreen, int flags) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if(!pDRIPriv || !pDRIPriv->pLockRefCount) return; - - if (!*pDRIPriv->pLockRefCount) { - DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext, flags); - *pDRIPriv->pLockingContext = pDRIPriv->myContext; - } else if (*pDRIPriv->pLockingContext != pDRIPriv->myContext) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[DRI] Locking deadlock.\n" - "\tAlready locked with context %d,\n" - "\ttrying to lock with context %d.\n", - pDRIPriv->pLockingContext, - pDRIPriv->myContext); - } - (*pDRIPriv->pLockRefCount)++; -} - -void -DRIUnlock(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if(!pDRIPriv || !pDRIPriv->pLockRefCount) return; - - if (*pDRIPriv->pLockRefCount > 0) { - if (pDRIPriv->myContext != *pDRIPriv->pLockingContext) { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "[DRI] Unlocking inconsistency:\n" - "\tContext %d trying to unlock lock held by context %d\n", - pDRIPriv->pLockingContext, - pDRIPriv->myContext); - } - (*pDRIPriv->pLockRefCount)--; - } else { - DRIDrvMsg(pScreen->myNum, X_ERROR, - "DRIUnlock called when not locked.\n"); - return; - } - if (! *pDRIPriv->pLockRefCount) - DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext); -} - -void * -DRIGetSAREAPrivate(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - if (!pDRIPriv) return 0; - - return (void *)(((char*)pDRIPriv->pSAREA)+sizeof(XF86DRISAREARec)); -} - -drm_context_t -DRIGetContext(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - if (!pDRIPriv) return 0; - - return pDRIPriv->myContext; -} - -void -DRIGetTexOffsetFuncs(ScreenPtr pScreen, - DRITexOffsetStartProcPtr *texOffsetStartFunc, - DRITexOffsetFinishProcPtr *texOffsetFinishFunc) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (!pDRIPriv) return; - - *texOffsetStartFunc = pDRIPriv->pDriverInfo->texOffsetStart; - *texOffsetFinishFunc = pDRIPriv->pDriverInfo->texOffsetFinish; -} - -/* This lets get at the unwrapped functions so that they can correctly - * call the lowerlevel functions, and choose whether they will be - * called at every level of recursion (eg in validatetree). - */ -DRIWrappedFuncsRec * -DRIGetWrappedFuncs(ScreenPtr pScreen) -{ - return &(DRI_SCREEN_PRIV(pScreen)->wrap); -} - -/* note that this returns the library version, not the protocol version */ -void -DRIQueryVersion(int *majorVersion, - int *minorVersion, - int *patchVersion) -{ - *majorVersion = DRIINFO_MAJOR_VERSION; - *minorVersion = DRIINFO_MINOR_VERSION; - *patchVersion = DRIINFO_PATCH_VERSION; -} - -static void -_DRIAdjustFrame(ScrnInfoPtr pScrn, DRIScreenPrivPtr pDRIPriv, int x, int y) -{ - pDRIPriv->pSAREA->frame.x = x; - pDRIPriv->pSAREA->frame.y = y; - pDRIPriv->pSAREA->frame.width = pScrn->frameX1 - x + 1; - pDRIPriv->pSAREA->frame.height = pScrn->frameY1 - y + 1; -} - -void -DRIAdjustFrame(int scrnIndex, int x, int y, int flags) -{ - ScreenPtr pScreen = screenInfo.screens[scrnIndex]; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - int px, py; - - if (!pDRIPriv || !pDRIPriv->pSAREA) { - DRIDrvMsg(scrnIndex, X_ERROR, "[DRI] No SAREA (%p %p)\n", - pDRIPriv, pDRIPriv ? pDRIPriv->pSAREA : NULL); - return; - } - - if (pDRIPriv->fullscreen) { - /* Fix up frame */ - pScrn->frameX0 = pDRIPriv->pSAREA->frame.x; - pScrn->frameY0 = pDRIPriv->pSAREA->frame.y; - pScrn->frameX1 = pScrn->frameX0 + pDRIPriv->pSAREA->frame.width - 1; - pScrn->frameY1 = pScrn->frameY0 + pDRIPriv->pSAREA->frame.height - 1; - - /* Fix up cursor */ - miPointerGetPosition(inputInfo.pointer, &px, &py); - if (px < pScrn->frameX0) px = pScrn->frameX0; - if (px > pScrn->frameX1) px = pScrn->frameX1; - if (py < pScrn->frameY0) py = pScrn->frameY0; - if (py > pScrn->frameY1) py = pScrn->frameY1; - pScreen->SetCursorPosition(inputInfo.pointer, pScreen, px, py, TRUE); - return; - } - - if (pDRIPriv->wrap.AdjustFrame) { - /* unwrap */ - pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame; - /* call lower layers */ - (*pScrn->AdjustFrame)(scrnIndex, x, y, flags); - /* rewrap */ - pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame; - pScrn->AdjustFrame = DRIAdjustFrame; - } - - _DRIAdjustFrame(pScrn, pDRIPriv, x, y); -} - -/* - * DRIMoveBuffersHelper swaps the regions rects in place leaving you - * a region with the rects in the order that you need to blit them, - * but it is possibly (likely) an invalid region afterwards. If you - * need to use the region again for anything you have to call - * REGION_VALIDATE on it, or better yet, save a copy first. - */ - -void -DRIMoveBuffersHelper( - ScreenPtr pScreen, - int dx, - int dy, - int *xdir, - int *ydir, - RegionPtr reg -) -{ - BoxPtr extents, pbox, firstBox, lastBox; - BoxRec tmpBox; - int y, nbox; - - extents = REGION_EXTENTS(pScreen, reg); - nbox = REGION_NUM_RECTS(reg); - pbox = REGION_RECTS(reg); - - if((dy > 0) && (dy < (extents->y2 - extents->y1))) { - *ydir = -1; - if(nbox > 1) { - firstBox = pbox; - lastBox = pbox + nbox - 1; - while((unsigned long)firstBox < (unsigned long)lastBox) { - tmpBox = *firstBox; - *firstBox = *lastBox; - *lastBox = tmpBox; - firstBox++; - lastBox--; - } - } - } else *ydir = 1; - - if((dx > 0) && (dx < (extents->x2 - extents->x1))) { - *xdir = -1; - if(nbox > 1) { - firstBox = lastBox = pbox; - y = pbox->y1; - while(--nbox) { - pbox++; - if(pbox->y1 == y) lastBox++; - else { - while((unsigned long)firstBox < (unsigned long)lastBox) { - tmpBox = *firstBox; - *firstBox = *lastBox; - *lastBox = tmpBox; - firstBox++; - lastBox--; - } - - firstBox = lastBox = pbox; - y = pbox->y1; - } - } - while((unsigned long)firstBox < (unsigned long)lastBox) { - tmpBox = *firstBox; - *firstBox = *lastBox; - *lastBox = tmpBox; - firstBox++; - lastBox--; - } - } - } else *xdir = 1; - -} - -char * -DRICreatePCIBusID(const struct pci_device * dev) -{ - char *busID; - - busID = xalloc(20); - if (busID == NULL) - return NULL; - - snprintf(busID, 20, "pci:%04x:%02x:%02x.%d", dev->domain, dev->bus, - dev->dev, dev->func); - - return busID; -} - -static void drmSIGIOHandler(int interrupt, void *closure) -{ - unsigned long key; - void *value; - ssize_t count; - drm_ctx_t ctx; - typedef void (*_drmCallback)(int, void *, void *); - char buf[256]; - drm_context_t old; - drm_context_t new; - void *oldctx; - void *newctx; - char *pt; - drmHashEntry *entry; - void *hash_table; - - hash_table = drmGetHashTable(); - - if (!hash_table) return; - if (drmHashFirst(hash_table, &key, &value)) { - entry = value; - do { -#if 0 - fprintf(stderr, "Trying %d\n", entry->fd); -#endif - if ((count = read(entry->fd, buf, sizeof(buf) - 1)) > 0) { - buf[count] = '\0'; -#if 0 - fprintf(stderr, "Got %s\n", buf); -#endif - - for (pt = buf; *pt != ' '; ++pt); /* Find first space */ - ++pt; - old = strtol(pt, &pt, 0); - new = strtol(pt, NULL, 0); - oldctx = drmGetContextTag(entry->fd, old); - newctx = drmGetContextTag(entry->fd, new); -#if 0 - fprintf(stderr, "%d %d %p %p\n", old, new, oldctx, newctx); -#endif - ((_drmCallback)entry->f)(entry->fd, oldctx, newctx); - ctx.handle = new; - ioctl(entry->fd, DRM_IOCTL_NEW_CTX, &ctx); - } - } while (drmHashNext(hash_table, &key, &value)); - } -} - - -int drmInstallSIGIOHandler(int fd, void (*f)(int, void *, void *)) -{ - drmHashEntry *entry; - - entry = drmGetEntry(fd); - entry->f = f; - - return xf86InstallSIGIOHandler(fd, drmSIGIOHandler, 0); -} - -int drmRemoveSIGIOHandler(int fd) -{ - drmHashEntry *entry = drmGetEntry(fd); - - entry->f = NULL; - - return xf86RemoveSIGIOHandler(fd); -} +/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+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, sub license, 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 (including the
+next paragraph) 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 NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Jens Owen <jens@tungstengraphics.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include <sys/time.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "xf86drm.h"
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "servermd.h"
+#define _XF86DRI_SERVER_
+#include <X11/dri/xf86driproto.h>
+#include "swaprep.h"
+#include "xf86str.h"
+#include "dri.h"
+#include "sarea.h"
+#include "dristruct.h"
+#include "xf86.h"
+#include "xf86drm.h"
+#include "mi.h"
+#include "mipointer.h"
+#include "xf86_OSproc.h"
+#include "inputstr.h"
+#include "xf86VGAarbiter.h"
+
+#define PCI_BUS_NO_DOMAIN(bus) ((bus) & 0xffu)
+
+static int DRIEntPrivIndex = -1;
+static int DRIScreenPrivKeyIndex;
+static DevPrivateKey DRIScreenPrivKey = &DRIScreenPrivKeyIndex;
+static int DRIWindowPrivKeyIndex;
+static DevPrivateKey DRIWindowPrivKey = &DRIWindowPrivKeyIndex;
+static unsigned long DRIGeneration = 0;
+static unsigned int DRIDrawableValidationStamp = 0;
+
+static RESTYPE DRIDrawablePrivResType;
+static RESTYPE DRIContextPrivResType;
+static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv);
+
+drmServerInfo DRIDRMServerInfo;
+
+ /* Wrapper just like xf86DrvMsg, but
+ without the verbosity level checking.
+ This will make it easy to turn off some
+ messages later, based on verbosity
+ level. */
+
+/*
+ * Since we're already referencing things from the XFree86 common layer in
+ * this file, we'd might as well just call xf86VDrvMsgVerb, and have
+ * consistent message formatting. The verbosity of these messages can be
+ * easily changed here.
+ */
+#define DRI_MSG_VERBOSITY 1
+static void
+DRIDrvMsg(int scrnIndex, MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(scrnIndex, type, DRI_MSG_VERBOSITY, format, ap);
+ va_end(ap);
+}
+
+
+static void
+DRIOpenDRMCleanup(DRIEntPrivPtr pDRIEntPriv)
+{
+ if (pDRIEntPriv->pLSAREA != NULL) {
+ drmUnmap(pDRIEntPriv->pLSAREA, pDRIEntPriv->sAreaSize);
+ pDRIEntPriv->pLSAREA = NULL;
+ }
+ if (pDRIEntPriv->hLSAREA != 0) {
+ drmRmMap(pDRIEntPriv->drmFD, pDRIEntPriv->hLSAREA);
+ }
+ if (pDRIEntPriv->drmFD >= 0) {
+ drmClose(pDRIEntPriv->drmFD);
+ pDRIEntPriv->drmFD = 0;
+ }
+}
+
+int
+DRIMasterFD(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->drmFD;
+}
+
+void *
+DRIMasterSareaPointer(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->pLSAREA;
+}
+
+drm_handle_t
+DRIMasterSareaHandle(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->hLSAREA;
+}
+
+
+Bool
+DRIOpenDRMMaster(ScrnInfoPtr pScrn,
+ unsigned long sAreaSize,
+ const char *busID,
+ const char *drmDriverName)
+{
+ drmSetVersion saveSv, sv;
+ Bool drmWasAvailable;
+ DRIEntPrivPtr pDRIEntPriv;
+ DRIEntPrivRec tmp;
+ drmVersionPtr drmlibv;
+ int drmlibmajor, drmlibminor;
+ const char *openBusID;
+ int count;
+ int err;
+
+ if (DRIEntPrivIndex == -1)
+ DRIEntPrivIndex = xf86AllocateEntityPrivateIndex();
+
+ pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+
+ if (pDRIEntPriv && pDRIEntPriv->drmFD != -1)
+ return TRUE;
+
+ drmWasAvailable = drmAvailable();
+
+ memset(&tmp, 0, sizeof(tmp));
+
+ /* Check the DRM lib version.
+ * drmGetLibVersion was not supported in version 1.0, so check for
+ * symbol first to avoid possible crash or hang.
+ */
+
+ drmlibmajor = 1;
+ drmlibminor = 0;
+ if (xf86LoaderCheckSymbol("drmGetLibVersion")) {
+ drmlibv = drmGetLibVersion(-1);
+ if (drmlibv != NULL) {
+ drmlibmajor = drmlibv->version_major;
+ drmlibminor = drmlibv->version_minor;
+ drmFreeVersion(drmlibv);
+ }
+ }
+
+ /* Check if the libdrm can handle falling back to loading based on name
+ * if a busid string is passed.
+ */
+ openBusID = (drmlibmajor == 1 && drmlibminor >= 2) ? busID : NULL;
+
+ tmp.drmFD = -1;
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 1;
+ sv.drm_dd_major = -1;
+
+ saveSv = sv;
+ count = 10;
+ while (count--) {
+ tmp.drmFD = drmOpen(drmDriverName, openBusID);
+
+ if (tmp.drmFD < 0) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] drmOpen failed.\n");
+ goto out_err;
+ }
+
+ err = drmSetInterfaceVersion(tmp.drmFD, &sv);
+
+ if (err != -EPERM)
+ break;
+
+ sv = saveSv;
+ drmClose(tmp.drmFD);
+ tmp.drmFD = -1;
+ usleep(100000);
+ }
+
+ if (tmp.drmFD <= 0) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] DRM was busy with another master.\n");
+ goto out_err;
+ }
+
+ if (!drmWasAvailable) {
+ DRIDrvMsg(-1, X_INFO,
+ "[drm] loaded kernel module for \"%s\" driver.\n",
+ drmDriverName);
+ }
+
+ if (err != 0) {
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 0;
+ }
+
+ DRIDrvMsg(-1, X_INFO, "[drm] DRM interface version %d.%d\n",
+ sv.drm_di_major, sv.drm_di_minor);
+
+ if (sv.drm_di_major == 1 && sv.drm_di_minor >= 1)
+ err = 0;
+ else
+ err = drmSetBusid(tmp.drmFD, busID);
+
+ if (err) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] Could not set DRM device bus ID.\n");
+ goto out_err;
+ }
+
+ /*
+ * Create a lock-containing sarea.
+ */
+
+ if (drmAddMap( tmp.drmFD, 0, sAreaSize, DRM_SHM,
+ DRM_CONTAINS_LOCK, &tmp.hLSAREA) < 0) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Could not create SAREA for DRM lock.\n");
+ tmp.hLSAREA = 0;
+ goto out_err;
+ }
+
+ if (drmMap( tmp.drmFD, tmp.hLSAREA, sAreaSize,
+ (drmAddressPtr)(&tmp.pLSAREA)) < 0) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Mapping SAREA for DRM lock failed.\n");
+ tmp.pLSAREA = NULL;
+ goto out_err;
+ }
+
+ memset(tmp.pLSAREA, 0, sAreaSize);
+
+ /*
+ * Reserved contexts are handled by the first opened screen.
+ */
+
+ tmp.resOwner = NULL;
+
+ if (!pDRIEntPriv)
+ pDRIEntPriv = xnfcalloc(sizeof(*pDRIEntPriv), 1);
+
+ if (!pDRIEntPriv) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Failed to allocate memory for "
+ "DRM device.\n");
+ goto out_err;
+ }
+ *pDRIEntPriv = tmp;
+ xf86GetEntityPrivate((pScrn)->entityList[0],DRIEntPrivIndex)->ptr =
+ pDRIEntPriv;
+
+ DRIDrvMsg(-1, X_INFO, "[drm] DRM open master succeeded.\n");
+ return TRUE;
+
+ out_err:
+
+ DRIOpenDRMCleanup(&tmp);
+ return FALSE;
+}
+
+static void
+DRIClipNotifyAllDrawables(ScreenPtr pScreen);
+
+static void
+dri_crtc_notify(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIClipNotifyAllDrawables(pScreen);
+ xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
+ xf86_crtc_notify(pScreen);
+ pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, dri_crtc_notify);
+}
+
+Bool
+DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
+{
+ DRIScreenPrivPtr pDRIPriv;
+ drm_context_t * reserved;
+ int reserved_count;
+ int i;
+ DRIEntPrivPtr pDRIEntPriv;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ DRIContextFlags flags = 0;
+ DRIContextPrivPtr pDRIContextPriv;
+
+ /* If the DRI extension is disabled, do not initialize the DRI */
+ if (noXFree86DRIExtension) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering has been disabled.\n");
+ return FALSE;
+ }
+
+ if (!xf86VGAarbiterAllowDRI(pScreen)) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering is not supported when VGA arb is necessary for the device\n");
+ return FALSE;
+ }
+
+#ifdef PANORAMIX
+ /*
+ * If Xinerama is on, don't allow DRI to initialise. It won't be usable
+ * anyway.
+ */
+ if (!noPanoramiXExtension) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering is not supported when Xinerama is enabled\n");
+ return FALSE;
+ }
+#endif
+
+ if (!DRIOpenDRMMaster(pScrn, pDRIInfo->SAREASize,
+ pDRIInfo->busIdString,
+ pDRIInfo->drmDriverName))
+ return FALSE;
+
+ pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+
+ if (DRIGeneration != serverGeneration)
+ DRIGeneration = serverGeneration;
+
+ pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec));
+ if (!pDRIPriv) {
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ return FALSE;
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv);
+ pDRIPriv->drmFD = pDRIEntPriv->drmFD;
+ pDRIPriv->directRenderingSupport = TRUE;
+ pDRIPriv->pDriverInfo = pDRIInfo;
+ pDRIPriv->nrWindows = 0;
+ pDRIPriv->nrWindowsVisible = 0;
+ pDRIPriv->fullscreen = NULL;
+
+ pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx;
+ pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv;
+
+ pDRIPriv->grabbedDRILock = FALSE;
+ pDRIPriv->drmSIGIOHandlerInstalled = FALSE;
+ *pDRMFD = pDRIPriv->drmFD;
+
+ if (pDRIEntPriv->sAreaGrabbed || pDRIInfo->allocSarea) {
+
+ if (drmAddMap( pDRIPriv->drmFD,
+ 0,
+ pDRIPriv->pDriverInfo->SAREASize,
+ DRM_SHM,
+ 0,
+ &pDRIPriv->hSAREA) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmAddMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] added %d byte SAREA at %p\n",
+ pDRIPriv->pDriverInfo->SAREASize, pDRIPriv->hSAREA);
+
+ /* Backwards compat. */
+ if (drmMap( pDRIPriv->drmFD,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pDriverInfo->SAREASize,
+ (drmAddressPtr)(&pDRIPriv->pSAREA)) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n",
+ pDRIPriv->hSAREA, pDRIPriv->pSAREA);
+ memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize);
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Using the DRM lock "
+ "SAREA also for drawables.\n");
+ pDRIPriv->hSAREA = pDRIEntPriv->hLSAREA;
+ pDRIPriv->pSAREA = (XF86DRISAREAPtr) pDRIEntPriv->pLSAREA;
+ pDRIEntPriv->sAreaGrabbed = TRUE;
+ }
+
+ pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA;
+ pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA;
+
+ if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer)
+ {
+ if (drmAddMap( pDRIPriv->drmFD,
+ (drm_handle_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
+ pDRIPriv->pDriverInfo->frameBufferSize,
+ DRM_FRAME_BUFFER,
+ 0,
+ &pDRIPriv->pDriverInfo->hFrameBuffer) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmAddMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n",
+ pDRIPriv->pDriverInfo->hFrameBuffer);
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] framebuffer mapped by ddx driver\n");
+ }
+
+ if (pDRIEntPriv->resOwner == NULL) {
+ pDRIEntPriv->resOwner = pScreen;
+
+ /* Add tags for reserved contexts */
+ if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
+ &reserved_count))) {
+ int i;
+ void *tag;
+
+ for (i = 0; i < reserved_count; i++) {
+ tag = DRICreateContextPrivFromHandle(pScreen,
+ reserved[i],
+ DRI_CONTEXT_RESERVED);
+ drmAddContextTag(pDRIPriv->drmFD, reserved[i], tag);
+ }
+ drmFreeReservedContextList(reserved);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] added %d reserved context%s for kernel\n",
+ reserved_count, reserved_count > 1 ? "s" : "");
+ }
+ }
+
+ /* validate max drawable table entry set by driver */
+ if ((pDRIPriv->pDriverInfo->maxDrawableTableEntry <= 0) ||
+ (pDRIPriv->pDriverInfo->maxDrawableTableEntry > SAREA_MAX_DRAWABLES)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "Invalid max drawable table size set by driver: %d\n",
+ pDRIPriv->pDriverInfo->maxDrawableTableEntry);
+ }
+
+ /* Initialize drawable tables (screen private and SAREA) */
+ for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
+ pDRIPriv->DRIDrawables[i] = NULL;
+ pDRIPriv->pSAREA->drawableTable[i].stamp = 0;
+ pDRIPriv->pSAREA->drawableTable[i].flags = 0;
+ }
+
+ pDRIPriv->pLockRefCount = &pDRIEntPriv->lockRefCount;
+ pDRIPriv->pLockingContext = &pDRIEntPriv->lockingContext;
+
+ if (!pDRIEntPriv->keepFDOpen)
+ pDRIEntPriv->keepFDOpen = pDRIInfo->keepFDOpen;
+
+ pDRIEntPriv->refCount++;
+
+ /* Set up flags for DRICreateContextPriv */
+ switch (pDRIInfo->driverSwapMethod) {
+ case DRI_KERNEL_SWAP:
+ flags = DRI_CONTEXT_2DONLY;
+ break;
+ case DRI_HIDE_X_CONTEXT:
+ flags = DRI_CONTEXT_PRESERVED;
+ break;
+ }
+
+ if (!(pDRIContextPriv = DRICreateContextPriv(pScreen,
+ &pDRIPriv->myContext,
+ flags))) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to create server context\n");
+ return FALSE;
+ }
+ pDRIPriv->myContextPriv = pDRIContextPriv;
+
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "X context handle = %p\n", pDRIPriv->myContext);
+
+ /* Now that we have created the X server's context, we can grab the
+ * hardware lock for the X server.
+ */
+ DRILock(pScreen, 0);
+ pDRIPriv->grabbedDRILock = TRUE;
+
+ /* pointers so that we can prevent memory leaks later */
+ pDRIPriv->hiddenContextStore = NULL;
+ pDRIPriv->partial3DContextStore = NULL;
+
+ switch(pDRIInfo->driverSwapMethod) {
+ case DRI_HIDE_X_CONTEXT:
+ /* Server will handle 3D swaps, and hide 2D swaps from kernel.
+ * Register server context as a preserved context.
+ */
+
+ /* allocate memory for hidden context store */
+ pDRIPriv->hiddenContextStore
+ = (void *)calloc(1, pDRIInfo->contextSize);
+ if (!pDRIPriv->hiddenContextStore) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to allocate hidden context\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+
+ /* allocate memory for partial 3D context store */
+ pDRIPriv->partial3DContextStore
+ = (void *)calloc(1, pDRIInfo->contextSize);
+ if (!pDRIPriv->partial3DContextStore) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] failed to allocate partial 3D context\n");
+ free(pDRIPriv->hiddenContextStore);
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+
+ /* save initial context store */
+ if (pDRIInfo->SwapContext) {
+ (*pDRIInfo->SwapContext)(
+ pScreen,
+ DRI_NO_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore,
+ DRI_NO_CONTEXT,
+ NULL);
+ }
+ /* fall through */
+
+ case DRI_SERVER_SWAP:
+ /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT
+ * setup signal handler for receiving swap requests from kernel
+ */
+ if (!(pDRIPriv->drmSIGIOHandlerInstalled =
+ drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to setup DRM signal handler\n");
+ if (pDRIPriv->hiddenContextStore)
+ free(pDRIPriv->hiddenContextStore);
+ if (pDRIPriv->partial3DContextStore)
+ free(pDRIPriv->partial3DContextStore);
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] installed DRM signal handler\n");
+ }
+
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIFinishScreenInit(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ /* Wrap DRI support */
+ if (pDRIInfo->wrap.ValidateTree) {
+ pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
+ pScreen->ValidateTree = pDRIInfo->wrap.ValidateTree;
+ }
+ if (pDRIInfo->wrap.PostValidateTree) {
+ pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
+ pScreen->PostValidateTree = pDRIInfo->wrap.PostValidateTree;
+ }
+ if (pDRIInfo->wrap.WindowExposures) {
+ pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
+ pScreen->WindowExposures = pDRIInfo->wrap.WindowExposures;
+ }
+
+ pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = DRIDestroyWindow;
+
+ pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen,
+ dri_crtc_notify);
+
+ if (pDRIInfo->wrap.CopyWindow) {
+ pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = pDRIInfo->wrap.CopyWindow;
+ }
+ if (pDRIInfo->wrap.ClipNotify) {
+ pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = pDRIInfo->wrap.ClipNotify;
+ }
+ if (pDRIInfo->wrap.AdjustFrame) {
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
+ pScrn->AdjustFrame = pDRIInfo->wrap.AdjustFrame;
+ }
+ pDRIPriv->wrapped = TRUE;
+
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[DRI] installation complete\n");
+
+ return TRUE;
+}
+
+void
+DRICloseScreen(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo;
+ drm_context_t * reserved;
+ int reserved_count;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ DRIEntPrivPtr pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+ Bool closeMaster;
+
+ if (pDRIPriv) {
+
+ pDRIInfo = pDRIPriv->pDriverInfo;
+
+ if (pDRIPriv->wrapped) {
+ /* Unwrap DRI Functions */
+ if (pDRIInfo->wrap.ValidateTree) {
+ pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
+ pDRIPriv->wrap.ValidateTree = NULL;
+ }
+ if (pDRIInfo->wrap.PostValidateTree) {
+ pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
+ pDRIPriv->wrap.PostValidateTree = NULL;
+ }
+ if (pDRIInfo->wrap.WindowExposures) {
+ pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
+ pDRIPriv->wrap.WindowExposures = NULL;
+ }
+ if (pDRIPriv->DestroyWindow) {
+ pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
+ pDRIPriv->DestroyWindow = NULL;
+ }
+
+ xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
+
+ if (pDRIInfo->wrap.CopyWindow) {
+ pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
+ pDRIPriv->wrap.CopyWindow = NULL;
+ }
+ if (pDRIInfo->wrap.ClipNotify) {
+ pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
+ pDRIPriv->wrap.ClipNotify = NULL;
+ }
+ if (pDRIInfo->wrap.AdjustFrame) {
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
+ pDRIPriv->wrap.AdjustFrame = NULL;
+ }
+
+ pDRIPriv->wrapped = FALSE;
+ }
+
+ if (pDRIPriv->drmSIGIOHandlerInstalled) {
+ if (!drmRemoveSIGIOHandler(pDRIPriv->drmFD)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to remove DRM signal handler\n");
+ }
+ }
+
+ if (pDRIPriv->dummyCtxPriv && pDRIPriv->createDummyCtx) {
+ DRIDestroyDummyContext(pScreen, pDRIPriv->createDummyCtxPriv);
+ }
+
+ if (!DRIDestroyContextPriv(pDRIPriv->myContextPriv)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to destroy server context\n");
+ }
+
+ /* Remove tags for reserved contexts */
+ if (pDRIEntPriv->resOwner == pScreen) {
+ pDRIEntPriv->resOwner = NULL;
+
+ if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
+ &reserved_count))) {
+ int i;
+
+ for (i = 0; i < reserved_count; i++) {
+ DRIDestroyContextPriv(drmGetContextTag(pDRIPriv->drmFD,
+ reserved[i]));
+ }
+ drmFreeReservedContextList(reserved);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] removed %d reserved context%s for kernel\n",
+ reserved_count, reserved_count > 1 ? "s" : "");
+ }
+ }
+
+ /* Make sure signals get unblocked etc. */
+ drmUnlock(pDRIPriv->drmFD, pDRIPriv->myContext);
+ pDRIPriv->pLockRefCount = NULL;
+ closeMaster = (--pDRIEntPriv->refCount == 0) &&
+ !pDRIEntPriv->keepFDOpen;
+ if (closeMaster || pDRIPriv->hSAREA != pDRIEntPriv->hLSAREA) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] unmapping %d bytes of SAREA %p at %p\n",
+ pDRIInfo->SAREASize,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pSAREA);
+ if (drmUnmap(pDRIPriv->pSAREA, pDRIInfo->SAREASize)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] unable to unmap %d bytes"
+ " of SAREA %p at %p\n",
+ pDRIInfo->SAREASize,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pSAREA);
+ }
+ } else {
+ pDRIEntPriv->sAreaGrabbed = FALSE;
+ }
+
+ if (closeMaster || (pDRIEntPriv->drmFD != pDRIPriv->drmFD)) {
+ drmClose(pDRIPriv->drmFD);
+ if (pDRIEntPriv->drmFD == pDRIPriv->drmFD) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Closed DRM master.\n");
+ pDRIEntPriv->drmFD = -1;
+ }
+ }
+
+ free(pDRIPriv);
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ }
+}
+
+#define DRM_MSG_VERBOSITY 3
+
+static int dri_drm_debug_print(const char *format, va_list ap)
+{
+ xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap);
+ return 0;
+}
+
+static void dri_drm_get_perms(gid_t *group, mode_t *mode)
+{
+ *group = xf86ConfigDRI.group;
+ *mode = xf86ConfigDRI.mode;
+}
+
+drmServerInfo DRIDRMServerInfo = {
+ dri_drm_debug_print,
+ xf86LoadKernelModule,
+ dri_drm_get_perms,
+};
+
+Bool
+DRIExtensionInit(void)
+{
+ if (!DRIScreenPrivKey || DRIGeneration != serverGeneration) {
+ return FALSE;
+ }
+
+ DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete,
+ "DRIDrawable");
+ DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete,
+ "DRIContext");
+
+ if (!DRIDrawablePrivResType || !DRIContextPrivResType)
+ return FALSE;
+
+ RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL);
+
+ return TRUE;
+}
+
+void
+DRIReset(void)
+{
+ /*
+ * This stub routine is called when the X Server recycles, resources
+ * allocated by DRIExtensionInit need to be managed here.
+ *
+ * Currently this routine is a stub because all the interesting resources
+ * are managed via the screen init process.
+ */
+}
+
+Bool
+DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool* isCapable)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv)
+ *isCapable = pDRIPriv->directRenderingSupport;
+ else
+ *isCapable = FALSE;
+
+ return TRUE;
+}
+
+Bool
+DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *hSAREA = pDRIPriv->hSAREA;
+ *busIdString = pDRIPriv->pDriverInfo->busIdString;
+
+ return TRUE;
+}
+
+Bool
+DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE;
+ return TRUE;
+}
+
+Bool
+DRICloseConnection(ScreenPtr pScreen)
+{
+ return TRUE;
+}
+
+Bool
+DRIGetClientDriverName(ScreenPtr pScreen,
+ int *ddxDriverMajorVersion,
+ int *ddxDriverMinorVersion,
+ int *ddxDriverPatchVersion,
+ char **clientDriverName)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion;
+ *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion;
+ *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion;
+ *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName;
+
+ return TRUE;
+}
+
+/* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper
+ functions that layer on drmCreateContext and drmAddContextTag.
+
+ DRICreateContextPriv always creates a kernel drm_context_t and then calls
+ DRICreateContextPrivFromHandle to create a DRIContextPriv structure for
+ DRI tracking. For the SIGIO handler, the drm_context_t is associated with
+ DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv
+ area and are passed to the kernel (if necessary).
+
+ DRICreateContextPriv returns a pointer to newly allocated
+ DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */
+
+DRIContextPrivPtr
+DRICreateContextPriv(ScreenPtr pScreen,
+ drm_context_t * pHWContext,
+ DRIContextFlags flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) {
+ return NULL;
+ }
+
+ return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags);
+}
+
+DRIContextPrivPtr
+DRICreateContextPrivFromHandle(ScreenPtr pScreen,
+ drm_context_t hHWContext,
+ DRIContextFlags flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ int contextPrivSize;
+
+ contextPrivSize = sizeof(DRIContextPrivRec) +
+ pDRIPriv->pDriverInfo->contextSize;
+ if (!(pDRIContextPriv = calloc(1, contextPrivSize))) {
+ return NULL;
+ }
+ pDRIContextPriv->pContextStore = (void *)(pDRIContextPriv + 1);
+
+ drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv);
+
+ pDRIContextPriv->hwContext = hHWContext;
+ pDRIContextPriv->pScreen = pScreen;
+ pDRIContextPriv->flags = flags;
+ pDRIContextPriv->valid3D = FALSE;
+
+ if (flags & DRI_CONTEXT_2DONLY) {
+ if (drmSetContextFlags(pDRIPriv->drmFD,
+ hHWContext,
+ DRM_CONTEXT_2DONLY)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to set 2D context flag\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return NULL;
+ }
+ }
+ if (flags & DRI_CONTEXT_PRESERVED) {
+ if (drmSetContextFlags(pDRIPriv->drmFD,
+ hHWContext,
+ DRM_CONTEXT_PRESERVED)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to set preserved flag\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return NULL;
+ }
+ }
+ return pDRIContextPriv;
+}
+
+Bool
+DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv)
+{
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (!pDRIContextPriv) return TRUE;
+
+ pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
+
+ if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) {
+ /* Don't delete reserved contexts from
+ kernel area -- the kernel manages its
+ reserved contexts itself. */
+ if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext))
+ return FALSE;
+ }
+
+ /* Remove the tag last to prevent a race
+ condition where the context has pending
+ buffers. The context can't be re-used
+ while in this thread, but buffers can be
+ dispatched asynchronously. */
+ drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext);
+ free(pDRIContextPriv);
+ return TRUE;
+}
+
+static Bool
+DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ void *contextStore;
+
+ if (!(pDRIContextPriv =
+ DRICreateContextPriv(pScreen,
+ &pDRIPriv->pSAREA->dummy_context, 0))) {
+ return FALSE;
+ }
+
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) {
+ if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, NULL,
+ pDRIPriv->pSAREA->dummy_context,
+ NULL,
+ (DRIContextType)(long)contextStore)) {
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+ }
+
+ pDRIPriv->dummyCtxPriv = pDRIContextPriv;
+ return TRUE;
+}
+
+static void
+DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv = pDRIPriv->dummyCtxPriv;
+ void *contextStore;
+
+ if (!pDRIContextPriv) return;
+ if (pDRIPriv->pDriverInfo->DestroyContext && hasCtxPriv) {
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
+ pDRIContextPriv->hwContext,
+ (DRIContextType)(long)contextStore);
+ }
+
+ DRIDestroyContextPriv(pDRIPriv->dummyCtxPriv);
+ pDRIPriv->dummyCtxPriv = NULL;
+}
+
+Bool
+DRICreateContext(ScreenPtr pScreen, VisualPtr visual,
+ XID context, drm_context_t * pHWContext)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ void *contextStore;
+
+ if (pDRIPriv->createDummyCtx && !pDRIPriv->dummyCtxPriv) {
+ if (!DRICreateDummyContext(pScreen, pDRIPriv->createDummyCtxPriv)) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Could not create dummy context\n");
+ return FALSE;
+ }
+ }
+
+ if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) {
+ return FALSE;
+ }
+
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ if (pDRIPriv->pDriverInfo->CreateContext) {
+ if (!((*pDRIPriv->pDriverInfo->CreateContext)(pScreen, NULL,
+ *pHWContext, NULL,
+ (DRIContextType)(long)contextStore))) {
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+ }
+
+ /* track this in case the client dies before cleanup */
+ AddResource(context, DRIContextPrivResType, (pointer)pDRIContextPriv);
+
+ return TRUE;
+}
+
+Bool
+DRIDestroyContext(ScreenPtr pScreen, XID context)
+{
+ FreeResourceByType(context, DRIContextPrivResType, FALSE);
+
+ return TRUE;
+}
+
+/* DRIContextPrivDelete is called by the resource manager. */
+Bool
+DRIContextPrivDelete(pointer pResource, XID id)
+{
+ DRIContextPrivPtr pDRIContextPriv = (DRIContextPrivPtr)pResource;
+ DRIScreenPrivPtr pDRIPriv;
+ void *contextStore;
+
+ pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
+ if (pDRIPriv->pDriverInfo->DestroyContext) {
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
+ pDRIContextPriv->hwContext,
+ (DRIContextType)(long)contextStore);
+ }
+ return DRIDestroyContextPriv(pDRIContextPriv);
+}
+
+
+/* This walks the drawable timestamp array and invalidates all of them
+ * in the case of transition from private to shared backbuffers. It's
+ * not necessary for correctness, because DRIClipNotify gets called in
+ * time to prevent any conflict, but the transition from
+ * shared->private is sometimes missed if we don't do this.
+ */
+static void
+DRIClipNotifyAllDrawables(ScreenPtr pScreen)
+{
+ int i;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
+ pDRIPriv->pSAREA->drawableTable[i].stamp = DRIDrawableValidationStamp++;
+ }
+}
+
+
+static void
+DRITransitionToSharedBuffers(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionSingleToMulti3D)
+ pDRIInfo->TransitionSingleToMulti3D( pScreen );
+}
+
+
+static void
+DRITransitionToPrivateBuffers(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionMultiToSingle3D)
+ pDRIInfo->TransitionMultiToSingle3D( pScreen );
+}
+
+
+static void
+DRITransitionTo3d(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionTo3d)
+ pDRIInfo->TransitionTo3d( pScreen );
+}
+
+static void
+DRITransitionTo2d(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionTo2d)
+ pDRIInfo->TransitionTo2d( pScreen );
+}
+
+
+static int
+DRIDCNTreeTraversal(WindowPtr pWin, pointer data)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if (pDRIDrawablePriv) {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (REGION_NUM_RECTS(&pWin->clipList) > 0) {
+ WindowPtr *pDRIWindows = (WindowPtr*)data;
+ int i = 0;
+
+ while (pDRIWindows[i])
+ i++;
+
+ pDRIWindows[i] = pWin;
+
+ pDRIPriv->nrWalked++;
+ }
+
+ if (pDRIPriv->nrWindows == pDRIPriv->nrWalked)
+ return WT_STOPWALKING;
+ }
+
+ return WT_WALKCHILDREN;
+}
+
+static void
+DRIDriverClipNotify(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv->pDriverInfo->ClipNotify) {
+ WindowPtr *pDRIWindows = calloc(sizeof(WindowPtr), pDRIPriv->nrWindows);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ if (pDRIPriv->nrWindows > 0) {
+ pDRIPriv->nrWalked = 0;
+ TraverseTree(WindowTable[pScreen->myNum], DRIDCNTreeTraversal,
+ (pointer)pDRIWindows);
+ }
+
+ pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows);
+
+ free(pDRIWindows);
+ }
+}
+
+static void
+DRIIncreaseNumberVisible(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ switch (++pDRIPriv->nrWindowsVisible) {
+ case 1:
+ DRITransitionTo3d( pScreen );
+ break;
+ case 2:
+ DRITransitionToSharedBuffers( pScreen );
+ break;
+ default:
+ break;
+ }
+
+ DRIDriverClipNotify(pScreen);
+}
+
+static void
+DRIDecreaseNumberVisible(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ switch (--pDRIPriv->nrWindowsVisible) {
+ case 0:
+ DRITransitionTo2d( pScreen );
+ break;
+ case 1:
+ DRITransitionToPrivateBuffers( pScreen );
+ break;
+ default:
+ break;
+ }
+
+ DRIDriverClipNotify(pScreen);
+}
+
+Bool
+DRICreateDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable,
+ drm_drawable_t * hHWDrawable)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+ WindowPtr pWin;
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pWin = (WindowPtr)pDrawable;
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+ pDRIDrawablePriv->refCount++;
+
+ if (!pDRIDrawablePriv->hwDrawable) {
+ drmCreateDrawable(pDRIPriv->drmFD, &pDRIDrawablePriv->hwDrawable);
+ }
+ }
+ else {
+ /* allocate a DRI Window Private record */
+ if (!(pDRIDrawablePriv = malloc(sizeof(DRIDrawablePrivRec)))) {
+ return FALSE;
+ }
+
+ /* Only create a drm_drawable_t once */
+ if (drmCreateDrawable(pDRIPriv->drmFD,
+ &pDRIDrawablePriv->hwDrawable)) {
+ free(pDRIDrawablePriv);
+ return FALSE;
+ }
+
+ /* add it to the list of DRI drawables for this screen */
+ pDRIDrawablePriv->pScreen = pScreen;
+ pDRIDrawablePriv->refCount = 1;
+ pDRIDrawablePriv->drawableIndex = -1;
+ pDRIDrawablePriv->nrects = REGION_NUM_RECTS(&pWin->clipList);
+
+ /* save private off of preallocated index */
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey,
+ pDRIDrawablePriv);
+ pDRIPriv->nrWindows++;
+
+ if (pDRIDrawablePriv->nrects)
+ DRIIncreaseNumberVisible(pScreen);
+ }
+
+ /* track this in case the client dies */
+ AddResource(FakeClientID(client->index), DRIDrawablePrivResType,
+ (pointer)(intptr_t)pDrawable->id);
+
+ if (pDRIDrawablePriv->hwDrawable) {
+ drmUpdateDrawableInfo(pDRIPriv->drmFD,
+ pDRIDrawablePriv->hwDrawable,
+ DRM_DRAWABLE_CLIPRECTS,
+ REGION_NUM_RECTS(&pWin->clipList),
+ REGION_RECTS(&pWin->clipList));
+ *hHWDrawable = pDRIDrawablePriv->hwDrawable;
+ }
+ }
+ else if (pDrawable->type != DRAWABLE_PIXMAP) { /* PBuffer */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+DRIDrawablePrivDestroy(WindowPtr pWin)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ ScreenPtr pScreen;
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (!pDRIDrawablePriv)
+ return;
+
+ pScreen = pWin->drawable.pScreen;
+ pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIDrawablePriv->drawableIndex != -1) {
+ /* bump stamp to force outstanding 3D requests to resync */
+ pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
+ = DRIDrawableValidationStamp++;
+
+ /* release drawable table entry */
+ pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL;
+ }
+
+ pDRIPriv->nrWindows--;
+
+ if (pDRIDrawablePriv->nrects)
+ DRIDecreaseNumberVisible(pScreen);
+
+ drmDestroyDrawable(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable);
+
+ free(pDRIDrawablePriv);
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL);
+}
+
+static Bool
+DRIDestroyDrawableCB(pointer value, XID id, pointer data)
+{
+ if (value == data) {
+ /* This calls back DRIDrawablePrivDelete which frees private area */
+ FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+Bool
+DRIDestroyDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable)
+{
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ LookupClientResourceComplex(client, DRIDrawablePrivResType,
+ DRIDestroyDrawableCB,
+ (pointer)(intptr_t)pDrawable->id);
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIDrawablePrivDelete(pointer pResource, XID id)
+{
+ WindowPtr pWin;
+ int rc;
+
+ /* For DRIDrawablePrivResType, the XID is the client's fake ID. The
+ * important XID is the value in pResource. */
+ id = (XID)(intptr_t)pResource;
+ rc = dixLookupWindow(&pWin, id, serverClient, DixGetAttrAccess);
+
+ if (rc == Success) {
+ DRIDrawablePrivPtr pDRIDrwPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if (!pDRIDrwPriv)
+ return FALSE;
+
+ if (--pDRIDrwPriv->refCount == 0)
+ DRIDrawablePrivDestroy(pWin);
+
+ return TRUE;
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+}
+
+Bool
+DRIGetDrawableInfo(ScreenPtr pScreen,
+ DrawablePtr pDrawable,
+ unsigned int* index,
+ unsigned int* stamp,
+ int* X,
+ int* Y,
+ int* W,
+ int* H,
+ int* numClipRects,
+ drm_clip_rect_t ** pClipRects,
+ int* backX,
+ int* backY,
+ int* numBackClipRects,
+ drm_clip_rect_t ** pBackClipRects)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv, pOldDrawPriv;
+ WindowPtr pWin, pOldWin;
+ int i;
+
+#if 0
+ printf("maxDrawableTableEntry = %d\n", pDRIPriv->pDriverInfo->maxDrawableTableEntry);
+#endif
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pWin = (WindowPtr)pDrawable;
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+
+ /* Manage drawable table */
+ if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */
+
+ /* Search table for empty entry */
+ i = 0;
+ while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
+ if (!(pDRIPriv->DRIDrawables[i])) {
+ pDRIPriv->DRIDrawables[i] = pDrawable;
+ pDRIDrawablePriv->drawableIndex = i;
+ pDRIPriv->pSAREA->drawableTable[i].stamp =
+ DRIDrawableValidationStamp++;
+ break;
+ }
+ i++;
+ }
+
+ /* Search table for oldest entry */
+ if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
+ unsigned int oldestStamp = ~0;
+ int oldestIndex = 0;
+ i = pDRIPriv->pDriverInfo->maxDrawableTableEntry;
+ while (i--) {
+ if (pDRIPriv->pSAREA->drawableTable[i].stamp <
+ oldestStamp) {
+ oldestIndex = i;
+ oldestStamp =
+ pDRIPriv->pSAREA->drawableTable[i].stamp;
+ }
+ }
+ pDRIDrawablePriv->drawableIndex = oldestIndex;
+
+ /* release oldest drawable table entry */
+ pOldWin = (WindowPtr)pDRIPriv->DRIDrawables[oldestIndex];
+ pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin);
+ pOldDrawPriv->drawableIndex = -1;
+
+ /* claim drawable table entry */
+ pDRIPriv->DRIDrawables[oldestIndex] = pDrawable;
+
+ /* validate SAREA entry */
+ pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp =
+ DRIDrawableValidationStamp++;
+
+ /* check for stamp wrap around */
+ if (oldestStamp > DRIDrawableValidationStamp) {
+
+ /* walk SAREA table and invalidate all drawables */
+ for( i=0;
+ i < pDRIPriv->pDriverInfo->maxDrawableTableEntry;
+ i++) {
+ pDRIPriv->pSAREA->drawableTable[i].stamp =
+ DRIDrawableValidationStamp++;
+ }
+ }
+ }
+
+ /* If the driver wants to be notified when the index is
+ * set for a drawable, let it know now.
+ */
+ if (pDRIPriv->pDriverInfo->SetDrawableIndex)
+ pDRIPriv->pDriverInfo->SetDrawableIndex(pWin,
+ pDRIDrawablePriv->drawableIndex);
+
+ /* reinit drawable ID if window is visible */
+ if ((pWin->viewable) &&
+ (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS))
+ {
+ (*pDRIPriv->pDriverInfo->InitBuffers)(pWin,
+ &pWin->clipList, pDRIDrawablePriv->drawableIndex);
+ }
+ }
+
+ *index = pDRIDrawablePriv->drawableIndex;
+ *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp;
+ *X = (int)(pWin->drawable.x);
+ *Y = (int)(pWin->drawable.y);
+#if 0
+ *W = (int)(pWin->winSize.extents.x2 - pWin->winSize.extents.x1);
+ *H = (int)(pWin->winSize.extents.y2 - pWin->winSize.extents.y1);
+#endif
+ *W = (int)(pWin->drawable.width);
+ *H = (int)(pWin->drawable.height);
+ *numClipRects = REGION_NUM_RECTS(&pWin->clipList);
+ *pClipRects = (drm_clip_rect_t *)REGION_RECTS(&pWin->clipList);
+
+ if (!*numClipRects && pDRIPriv->fullscreen) {
+ /* use fake full-screen clip rect */
+ pDRIPriv->fullscreen_rect.x1 = *X;
+ pDRIPriv->fullscreen_rect.y1 = *Y;
+ pDRIPriv->fullscreen_rect.x2 = *X + *W;
+ pDRIPriv->fullscreen_rect.y2 = *Y + *H;
+
+ *numClipRects = 1;
+ *pClipRects = &pDRIPriv->fullscreen_rect;
+ }
+
+ *backX = *X;
+ *backY = *Y;
+
+ if (pDRIPriv->nrWindowsVisible == 1 && *numClipRects) {
+ /* Use a single cliprect. */
+
+ int x0 = *X;
+ int y0 = *Y;
+ int x1 = x0 + *W;
+ int y1 = y0 + *H;
+
+ if (x0 < 0) x0 = 0;
+ if (y0 < 0) y0 = 0;
+ if (x1 > pScreen->width) x1 = pScreen->width;
+ if (y1 > pScreen->height) y1 = pScreen->height;
+
+ if (y0 >= y1 || x0 >= x1) {
+ *numBackClipRects = 0;
+ *pBackClipRects = NULL;
+ } else {
+ pDRIPriv->private_buffer_rect.x1 = x0;
+ pDRIPriv->private_buffer_rect.y1 = y0;
+ pDRIPriv->private_buffer_rect.x2 = x1;
+ pDRIPriv->private_buffer_rect.y2 = y1;
+
+ *numBackClipRects = 1;
+ *pBackClipRects = &(pDRIPriv->private_buffer_rect);
+ }
+ } else {
+ /* Use the frontbuffer cliprects for back buffers. */
+ *numBackClipRects = 0;
+ *pBackClipRects = 0;
+ }
+ }
+ else {
+ /* Not a DRIDrawable */
+ return FALSE;
+ }
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIGetDeviceInfo(ScreenPtr pScreen,
+ drm_handle_t * hFrameBuffer,
+ int* fbOrigin,
+ int* fbSize,
+ int* fbStride,
+ int* devPrivateSize,
+ void** pDevPrivate)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer;
+ *fbOrigin = 0;
+ *fbSize = pDRIPriv->pDriverInfo->frameBufferSize;
+ *fbStride = pDRIPriv->pDriverInfo->frameBufferStride;
+ *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize;
+ *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate;
+
+ return TRUE;
+}
+
+DRIInfoPtr
+DRICreateInfoRec(void)
+{
+ DRIInfoPtr inforec = (DRIInfoPtr)calloc(1, sizeof(DRIInfoRec));
+ if (!inforec) return NULL;
+
+ /* Initialize defaults */
+ inforec->busIdString = NULL;
+
+ /* Wrapped function defaults */
+ inforec->wrap.WakeupHandler = DRIDoWakeupHandler;
+ inforec->wrap.BlockHandler = DRIDoBlockHandler;
+ inforec->wrap.WindowExposures = DRIWindowExposures;
+ inforec->wrap.CopyWindow = DRICopyWindow;
+ inforec->wrap.ValidateTree = DRIValidateTree;
+ inforec->wrap.PostValidateTree = DRIPostValidateTree;
+ inforec->wrap.ClipNotify = DRIClipNotify;
+ inforec->wrap.AdjustFrame = DRIAdjustFrame;
+
+ inforec->TransitionTo2d = 0;
+ inforec->TransitionTo3d = 0;
+ inforec->SetDrawableIndex = 0;
+
+ return inforec;
+}
+
+void
+DRIDestroyInfoRec(DRIInfoPtr DRIInfo)
+{
+ if (DRIInfo->busIdString) free(DRIInfo->busIdString);
+ free((char*)DRIInfo);
+}
+
+
+void
+DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask)
+{
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv &&
+ pDRIPriv->pDriverInfo->wrap.WakeupHandler)
+ (*pDRIPriv->pDriverInfo->wrap.WakeupHandler)(i, wakeupData,
+ result, pReadmask);
+ }
+}
+
+void
+DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
+{
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv &&
+ pDRIPriv->pDriverInfo->wrap.BlockHandler)
+ (*pDRIPriv->pDriverInfo->wrap.BlockHandler)(i, blockData,
+ pTimeout, pReadmask);
+ }
+}
+
+void
+DRIDoWakeupHandler(int screenNum, pointer wakeupData,
+ unsigned long result, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[screenNum];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ DRILock(pScreen, 0);
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_3D_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore);
+ }
+}
+
+void
+DRIDoBlockHandler(int screenNum, pointer blockData,
+ pointer pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[screenNum];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_NO_CONTEXT,
+ NULL,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore);
+ }
+
+ if (pDRIPriv->windowsTouched)
+ DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1);
+ pDRIPriv->windowsTouched = FALSE;
+
+ DRIUnlock(pScreen);
+}
+
+void
+DRISwapContext(int drmFD, void *oldctx, void *newctx)
+{
+ DRIContextPrivPtr oldContext = (DRIContextPrivPtr)oldctx;
+ DRIContextPrivPtr newContext = (DRIContextPrivPtr)newctx;
+ ScreenPtr pScreen = newContext->pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ void* oldContextStore = NULL;
+ DRIContextType oldContextType;
+ void* newContextStore = NULL;
+ DRIContextType newContextType;
+ DRISyncType syncType;
+#ifdef DEBUG
+ static int count = 0;
+
+ if (!newContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n",
+ oldContext, newContext);
+ return;
+ }
+
+ /* usefull for debugging, just print out after n context switches */
+ if (!count || !(count % 1)) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[DRI] Context switch %5d from %p/0x%08x (%d)\n",
+ count,
+ oldContext,
+ oldContext ? oldContext->flags : 0,
+ oldContext ? oldContext->hwContext : -1);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[DRI] Context switch %5d to %p/0x%08x (%d)\n",
+ count,
+ newContext,
+ newContext ? newContext->flags : 0,
+ newContext ? newContext->hwContext : -1);
+ }
+ ++count;
+#endif
+
+ if (!pDRIPriv->pDriverInfo->SwapContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] DDX driver missing context swap call back\n");
+ return;
+ }
+
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+
+ /* only 3D contexts are swapped in this case */
+ if (oldContext) {
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ } else {
+ oldContextType = DRI_NO_CONTEXT;
+ }
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_3D_SYNC;
+ }
+ else /* default: driverSwapMethod == DRI_SERVER_SWAP */ {
+
+ /* optimize 2D context swaps */
+
+ if (newContext->flags & DRI_CONTEXT_2DONLY) {
+ /* go from 3D context to 2D context and only save 2D
+ * subset of 3D state
+ */
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContextType = DRI_2D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ newContextType = DRI_2D_CONTEXT;
+ syncType = DRI_3D_SYNC;
+ pDRIPriv->lastPartial3DContext = oldContext;
+ }
+ else if (oldContext->flags & DRI_CONTEXT_2DONLY) {
+ if (pDRIPriv->lastPartial3DContext == newContext) {
+ /* go from 2D context back to previous 3D context and
+ * only restore 2D subset of previous 3D state
+ */
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContextType = DRI_2D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ newContextType = DRI_2D_CONTEXT;
+ syncType = DRI_2D_SYNC;
+ }
+ else {
+ /* go from 2D context to a different 3D context */
+
+ /* call DDX driver to do partial restore */
+ oldContextStore = DRIGetContextStore(oldContext);
+ newContextStore =
+ DRIGetContextStore(pDRIPriv->lastPartial3DContext);
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_2D_CONTEXT,
+ oldContextStore,
+ DRI_2D_CONTEXT,
+ newContextStore);
+
+ /* now setup for a complete 3D swap */
+ oldContextStore = newContextStore;
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_NO_SYNC;
+ }
+ }
+ else {
+ /* now setup for a complete 3D swap */
+ oldContextStore = newContextStore;
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_3D_SYNC;
+ }
+ }
+
+ /* call DDX driver to perform the swap */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ syncType,
+ oldContextType,
+ oldContextStore,
+ newContextType,
+ newContextStore);
+}
+
+void*
+DRIGetContextStore(DRIContextPrivPtr context)
+{
+ return((void *)context->pContextStore);
+}
+
+void
+DRIWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr bsreg)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if(pDRIDrawablePriv) {
+ (*pDRIPriv->pDriverInfo->InitBuffers)(pWin, prgn,
+ pDRIDrawablePriv->drawableIndex);
+ }
+
+ /* call lower wrapped functions */
+ if (pDRIPriv && pDRIPriv->wrap.WindowExposures) {
+
+ /* unwrap */
+ pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
+
+ /* call lower layers */
+ (*pScreen->WindowExposures)(pWin, prgn, bsreg);
+
+ /* rewrap */
+ pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
+ pScreen->WindowExposures = DRIWindowExposures;
+ }
+}
+
+
+static int
+DRITreeTraversal(WindowPtr pWin, pointer data)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if(pDRIDrawablePriv) {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(REGION_NUM_RECTS(&(pWin->clipList)) > 0) {
+ RegionPtr reg = (RegionPtr)data;
+
+ REGION_UNION(pScreen, reg, reg, &(pWin->clipList));
+ pDRIPriv->nrWalked++;
+ }
+
+ if(pDRIPriv->nrWindows == pDRIPriv->nrWalked)
+ return WT_STOPWALKING;
+ }
+ return WT_WALKCHILDREN;
+}
+
+Bool
+DRIDestroyWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ Bool retval = TRUE;
+
+ DRIDrawablePrivDestroy(pWin);
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->DestroyWindow) {
+ /* unwrap */
+ pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
+
+ /* call lower layers */
+ retval = (*pScreen->DestroyWindow)(pWin);
+
+ /* rewrap */
+ pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = DRIDestroyWindow;
+ }
+
+ return retval;
+}
+
+void
+DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv) return;
+
+ if(pDRIPriv->nrWindowsVisible > 0) {
+ RegionRec reg;
+
+ REGION_NULL(pScreen, ®);
+ pDRIPriv->nrWalked = 0;
+ TraverseTree(pWin, DRITreeTraversal, (pointer)(®));
+
+ if(REGION_NOTEMPTY(pScreen, ®)) {
+ REGION_TRANSLATE(pScreen, ®, ptOldOrg.x - pWin->drawable.x,
+ ptOldOrg.y - pWin->drawable.y);
+ REGION_INTERSECT(pScreen, ®, ®, prgnSrc);
+
+ /* The MoveBuffers interface is not ideal */
+ (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, ®,
+ pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
+ }
+
+ REGION_UNINIT(pScreen, ®);
+ }
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.CopyWindow) {
+ /* unwrap */
+ pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
+
+ /* call lower layers */
+ (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
+
+ /* rewrap */
+ pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = DRICopyWindow;
+ }
+}
+
+static void
+DRIGetSecs(long *secs, long *usecs)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+
+ *secs = tv.tv_sec;
+ *usecs = tv.tv_usec;
+}
+
+static unsigned long
+DRIComputeMilliSeconds(unsigned long s_secs, unsigned long s_usecs,
+ unsigned long f_secs, unsigned long f_usecs)
+{
+ if (f_usecs < s_usecs) {
+ --f_secs;
+ f_usecs += 1000000;
+ }
+ return (f_secs - s_secs) * 1000 + (f_usecs - s_usecs) / 1000;
+}
+
+static void
+DRISpinLockTimeout(drmLock *lock, int val, unsigned long timeout /* in mS */)
+{
+ int count = 10000;
+#if !defined(__alpha__) && !defined(__powerpc__)
+ char ret;
+#else
+ int ret;
+#endif
+ long s_secs, s_usecs;
+ long f_secs, f_usecs;
+ long msecs;
+ long prev = 0;
+
+ DRIGetSecs(&s_secs, &s_usecs);
+
+ do {
+ DRM_SPINLOCK_COUNT(lock, val, count, ret);
+ if (!ret) return; /* Got lock */
+ DRIGetSecs(&f_secs, &f_usecs);
+ msecs = DRIComputeMilliSeconds(s_secs, s_usecs, f_secs, f_usecs);
+ if (msecs - prev < 250) count *= 2; /* Not more than 0.5S */
+ } while (msecs < timeout);
+
+ /* Didn't get lock, so take it. The worst
+ that can happen is that there is some
+ garbage written to the wrong part of the
+ framebuffer that a refresh will repair.
+ That's undesirable, but better than
+ locking the server. This should be a
+ very rare event. */
+ DRM_SPINLOCK_TAKE(lock, val);
+}
+
+static void
+DRILockTree(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv) return;
+
+ /* Restore the last known 3D context if the X context is hidden */
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_NO_CONTEXT,
+ NULL,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore);
+ }
+
+ /* Call kernel to release lock */
+ DRIUnlock(pScreen);
+
+ /* Grab drawable spin lock: a time out between 10 and 30 seconds is
+ appropriate, since this should never time out except in the case of
+ client death while the lock is being held. The timeout must be
+ greater than any reasonable rendering time. */
+ DRISpinLockTimeout(&pDRIPriv->pSAREA->drawable_lock, 1, 10000); /*10 secs*/
+
+ /* Call kernel flush outstanding buffers and relock */
+ DRILock(pScreen, DRM_LOCK_QUIESCENT|DRM_LOCK_FLUSH_ALL);
+
+ /* Switch back to our 2D context if the X context is hidden */
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_3D_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore);
+ }
+}
+
+int
+DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ int returnValue = 1; /* always return 1, not checked by dix/window.c */
+
+ if(!pDRIPriv) return returnValue;
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.ValidateTree) {
+ /* unwrap */
+ pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
+
+ /* call lower layers */
+ returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
+ pScreen->ValidateTree = DRIValidateTree;
+ }
+
+ return returnValue;
+}
+
+void
+DRIPostValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ ScreenPtr pScreen;
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (pParent) {
+ pScreen = pParent->drawable.pScreen;
+ } else {
+ pScreen = pChild->drawable.pScreen;
+ }
+ if(!(pDRIPriv = DRI_SCREEN_PRIV(pScreen))) return;
+
+ if (pDRIPriv->wrap.PostValidateTree) {
+ /* unwrap */
+ pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
+
+ /* call lower layers */
+ (*pScreen->PostValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
+ pScreen->PostValidateTree = DRIPostValidateTree;
+ }
+}
+
+void
+DRIClipNotify(WindowPtr pWin, int dx, int dy)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if(!pDRIPriv) return;
+
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+ int nrects = REGION_NUM_RECTS(&pWin->clipList);
+
+ if(!pDRIPriv->windowsTouched) {
+ DRILockTree(pScreen);
+ pDRIPriv->windowsTouched = TRUE;
+ }
+
+ if (nrects && !pDRIDrawablePriv->nrects)
+ DRIIncreaseNumberVisible(pScreen);
+ else if (!nrects && pDRIDrawablePriv->nrects)
+ DRIDecreaseNumberVisible(pScreen);
+ else
+ DRIDriverClipNotify(pScreen);
+
+ pDRIDrawablePriv->nrects = nrects;
+
+ pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
+ = DRIDrawableValidationStamp++;
+
+ drmUpdateDrawableInfo(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable,
+ DRM_DRAWABLE_CLIPRECTS,
+ nrects, REGION_RECTS(&pWin->clipList));
+ }
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.ClipNotify) {
+
+ /* unwrap */
+ pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
+
+ /* call lower layers */
+ (*pScreen->ClipNotify)(pWin, dx, dy);
+
+ /* rewrap */
+ pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = DRIClipNotify;
+ }
+}
+
+CARD32
+DRIGetDrawableIndex(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ CARD32 index;
+
+ if (pDRIDrawablePriv) {
+ index = pDRIDrawablePriv->drawableIndex;
+ }
+ else {
+ index = pDRIPriv->pDriverInfo->ddxDrawableTableEntry;
+ }
+
+ return index;
+}
+
+unsigned int
+DRIGetDrawableStamp(ScreenPtr pScreen, CARD32 drawable_index)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ return pDRIPriv->pSAREA->drawableTable[drawable_index].stamp;
+}
+
+
+void
+DRIPrintDrawableLock(ScreenPtr pScreen, char *msg)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ ErrorF("%s: %d\n", msg, pDRIPriv->pSAREA->drawable_lock.lock);
+}
+
+void
+DRILock(ScreenPtr pScreen, int flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
+
+ if (!*pDRIPriv->pLockRefCount) {
+ DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext, flags);
+ *pDRIPriv->pLockingContext = pDRIPriv->myContext;
+ } else if (*pDRIPriv->pLockingContext != pDRIPriv->myContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Locking deadlock.\n"
+ "\tAlready locked with context %d,\n"
+ "\ttrying to lock with context %d.\n",
+ pDRIPriv->pLockingContext,
+ pDRIPriv->myContext);
+ }
+ (*pDRIPriv->pLockRefCount)++;
+}
+
+void
+DRIUnlock(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
+
+ if (*pDRIPriv->pLockRefCount > 0) {
+ if (pDRIPriv->myContext != *pDRIPriv->pLockingContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Unlocking inconsistency:\n"
+ "\tContext %d trying to unlock lock held by context %d\n",
+ pDRIPriv->pLockingContext,
+ pDRIPriv->myContext);
+ }
+ (*pDRIPriv->pLockRefCount)--;
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "DRIUnlock called when not locked.\n");
+ return;
+ }
+ if (! *pDRIPriv->pLockRefCount)
+ DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext);
+}
+
+void *
+DRIGetSAREAPrivate(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ if (!pDRIPriv) return 0;
+
+ return (void *)(((char*)pDRIPriv->pSAREA)+sizeof(XF86DRISAREARec));
+}
+
+drm_context_t
+DRIGetContext(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ if (!pDRIPriv) return 0;
+
+ return pDRIPriv->myContext;
+}
+
+void
+DRIGetTexOffsetFuncs(ScreenPtr pScreen,
+ DRITexOffsetStartProcPtr *texOffsetStartFunc,
+ DRITexOffsetFinishProcPtr *texOffsetFinishFunc)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (!pDRIPriv) return;
+
+ *texOffsetStartFunc = pDRIPriv->pDriverInfo->texOffsetStart;
+ *texOffsetFinishFunc = pDRIPriv->pDriverInfo->texOffsetFinish;
+}
+
+/* This lets get at the unwrapped functions so that they can correctly
+ * call the lowerlevel functions, and choose whether they will be
+ * called at every level of recursion (eg in validatetree).
+ */
+DRIWrappedFuncsRec *
+DRIGetWrappedFuncs(ScreenPtr pScreen)
+{
+ return &(DRI_SCREEN_PRIV(pScreen)->wrap);
+}
+
+/* note that this returns the library version, not the protocol version */
+void
+DRIQueryVersion(int *majorVersion,
+ int *minorVersion,
+ int *patchVersion)
+{
+ *majorVersion = DRIINFO_MAJOR_VERSION;
+ *minorVersion = DRIINFO_MINOR_VERSION;
+ *patchVersion = DRIINFO_PATCH_VERSION;
+}
+
+static void
+_DRIAdjustFrame(ScrnInfoPtr pScrn, DRIScreenPrivPtr pDRIPriv, int x, int y)
+{
+ pDRIPriv->pSAREA->frame.x = x;
+ pDRIPriv->pSAREA->frame.y = y;
+ pDRIPriv->pSAREA->frame.width = pScrn->frameX1 - x + 1;
+ pDRIPriv->pSAREA->frame.height = pScrn->frameY1 - y + 1;
+}
+
+void
+DRIAdjustFrame(int scrnIndex, int x, int y, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[scrnIndex];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ int px, py;
+
+ if (!pDRIPriv || !pDRIPriv->pSAREA) {
+ DRIDrvMsg(scrnIndex, X_ERROR, "[DRI] No SAREA (%p %p)\n",
+ pDRIPriv, pDRIPriv ? pDRIPriv->pSAREA : NULL);
+ return;
+ }
+
+ if (pDRIPriv->fullscreen) {
+ /* Fix up frame */
+ pScrn->frameX0 = pDRIPriv->pSAREA->frame.x;
+ pScrn->frameY0 = pDRIPriv->pSAREA->frame.y;
+ pScrn->frameX1 = pScrn->frameX0 + pDRIPriv->pSAREA->frame.width - 1;
+ pScrn->frameY1 = pScrn->frameY0 + pDRIPriv->pSAREA->frame.height - 1;
+
+ /* Fix up cursor */
+ miPointerGetPosition(inputInfo.pointer, &px, &py);
+ if (px < pScrn->frameX0) px = pScrn->frameX0;
+ if (px > pScrn->frameX1) px = pScrn->frameX1;
+ if (py < pScrn->frameY0) py = pScrn->frameY0;
+ if (py > pScrn->frameY1) py = pScrn->frameY1;
+ pScreen->SetCursorPosition(inputInfo.pointer, pScreen, px, py, TRUE);
+ return;
+ }
+
+ if (pDRIPriv->wrap.AdjustFrame) {
+ /* unwrap */
+ pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
+ /* call lower layers */
+ (*pScrn->AdjustFrame)(scrnIndex, x, y, flags);
+ /* rewrap */
+ pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
+ pScrn->AdjustFrame = DRIAdjustFrame;
+ }
+
+ _DRIAdjustFrame(pScrn, pDRIPriv, x, y);
+}
+
+/*
+ * DRIMoveBuffersHelper swaps the regions rects in place leaving you
+ * a region with the rects in the order that you need to blit them,
+ * but it is possibly (likely) an invalid region afterwards. If you
+ * need to use the region again for anything you have to call
+ * REGION_VALIDATE on it, or better yet, save a copy first.
+ */
+
+void
+DRIMoveBuffersHelper(
+ ScreenPtr pScreen,
+ int dx,
+ int dy,
+ int *xdir,
+ int *ydir,
+ RegionPtr reg
+)
+{
+ BoxPtr extents, pbox, firstBox, lastBox;
+ BoxRec tmpBox;
+ int y, nbox;
+
+ extents = REGION_EXTENTS(pScreen, reg);
+ nbox = REGION_NUM_RECTS(reg);
+ pbox = REGION_RECTS(reg);
+
+ if((dy > 0) && (dy < (extents->y2 - extents->y1))) {
+ *ydir = -1;
+ if(nbox > 1) {
+ firstBox = pbox;
+ lastBox = pbox + nbox - 1;
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+ }
+ } else *ydir = 1;
+
+ if((dx > 0) && (dx < (extents->x2 - extents->x1))) {
+ *xdir = -1;
+ if(nbox > 1) {
+ firstBox = lastBox = pbox;
+ y = pbox->y1;
+ while(--nbox) {
+ pbox++;
+ if(pbox->y1 == y) lastBox++;
+ else {
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+
+ firstBox = lastBox = pbox;
+ y = pbox->y1;
+ }
+ }
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+ }
+ } else *xdir = 1;
+
+}
+
+char *
+DRICreatePCIBusID(const struct pci_device * dev)
+{
+ char *busID;
+
+ busID = malloc(20);
+ if (busID == NULL)
+ return NULL;
+
+ snprintf(busID, 20, "pci:%04x:%02x:%02x.%d", dev->domain, dev->bus,
+ dev->dev, dev->func);
+
+ return busID;
+}
+
+static void drmSIGIOHandler(int interrupt, void *closure)
+{
+ unsigned long key;
+ void *value;
+ ssize_t count;
+ drm_ctx_t ctx;
+ typedef void (*_drmCallback)(int, void *, void *);
+ char buf[256];
+ drm_context_t old;
+ drm_context_t new;
+ void *oldctx;
+ void *newctx;
+ char *pt;
+ drmHashEntry *entry;
+ void *hash_table;
+
+ hash_table = drmGetHashTable();
+
+ if (!hash_table) return;
+ if (drmHashFirst(hash_table, &key, &value)) {
+ entry = value;
+ do {
+#if 0
+ fprintf(stderr, "Trying %d\n", entry->fd);
+#endif
+ if ((count = read(entry->fd, buf, sizeof(buf) - 1)) > 0) {
+ buf[count] = '\0';
+#if 0
+ fprintf(stderr, "Got %s\n", buf);
+#endif
+
+ for (pt = buf; *pt != ' '; ++pt); /* Find first space */
+ ++pt;
+ old = strtol(pt, &pt, 0);
+ new = strtol(pt, NULL, 0);
+ oldctx = drmGetContextTag(entry->fd, old);
+ newctx = drmGetContextTag(entry->fd, new);
+#if 0
+ fprintf(stderr, "%d %d %p %p\n", old, new, oldctx, newctx);
+#endif
+ ((_drmCallback)entry->f)(entry->fd, oldctx, newctx);
+ ctx.handle = new;
+ ioctl(entry->fd, DRM_IOCTL_NEW_CTX, &ctx);
+ }
+ } while (drmHashNext(hash_table, &key, &value));
+ }
+}
+
+
+int drmInstallSIGIOHandler(int fd, void (*f)(int, void *, void *))
+{
+ drmHashEntry *entry;
+
+ entry = drmGetEntry(fd);
+ entry->f = f;
+
+ return xf86InstallSIGIOHandler(fd, drmSIGIOHandler, 0);
+}
+
+int drmRemoveSIGIOHandler(int fd)
+{
+ drmHashEntry *entry = drmGetEntry(fd);
+
+ entry->f = NULL;
+
+ return xf86RemoveSIGIOHandler(fd);
+}
diff --git a/xorg-server/hw/xfree86/dri/xf86dri.c b/xorg-server/hw/xfree86/dri/xf86dri.c index 78003991b..40914ed19 100644 --- a/xorg-server/hw/xfree86/dri/xf86dri.c +++ b/xorg-server/hw/xfree86/dri/xf86dri.c @@ -1,679 +1,679 @@ -/************************************************************************** - -Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. -Copyright 2000 VA Linux Systems, Inc. -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, sub license, 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 (including the -next paragraph) 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 NON-INFRINGEMENT. -IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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. - -**************************************************************************/ - -/* - * Authors: - * Kevin E. Martin <martin@valinux.com> - * Jens Owen <jens@tungstengraphics.com> - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <string.h> - -#include "xf86.h" - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "dixstruct.h" -#include "extnsionst.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "scrnintstr.h" -#include "servermd.h" -#define _XF86DRI_SERVER_ -#include <X11/dri/xf86driproto.h> -#include "swaprep.h" -#include "xf86str.h" -#include "dri.h" -#include "sarea.h" -#include "dristruct.h" -#include "xf86.h" -#include "xf86drm.h" -#include "protocol-versions.h" - -static int DRIErrorBase; - -static DISPATCH_PROC(ProcXF86DRIQueryVersion); -static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable); -static DISPATCH_PROC(ProcXF86DRIOpenConnection); -static DISPATCH_PROC(ProcXF86DRICloseConnection); -static DISPATCH_PROC(ProcXF86DRIGetClientDriverName); -static DISPATCH_PROC(ProcXF86DRICreateContext); -static DISPATCH_PROC(ProcXF86DRIDestroyContext); -static DISPATCH_PROC(ProcXF86DRICreateDrawable); -static DISPATCH_PROC(ProcXF86DRIDestroyDrawable); -static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo); -static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo); -static DISPATCH_PROC(ProcXF86DRIDispatch); -static DISPATCH_PROC(ProcXF86DRIAuthConnection); - -static DISPATCH_PROC(SProcXF86DRIQueryVersion); -static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable); -static DISPATCH_PROC(SProcXF86DRIDispatch); - -static void XF86DRIResetProc(ExtensionEntry* extEntry); - -static unsigned char DRIReqCode = 0; - -extern void XFree86DRIExtensionInit(void); - -void -XFree86DRIExtensionInit(void) -{ - ExtensionEntry* extEntry; - -#ifdef XF86DRI_EVENTS - EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvent"); -#endif - - if ( - DRIExtensionInit() && -#ifdef XF86DRI_EVENTS - EventType && ScreenPrivateIndex != -1 && -#endif - (extEntry = AddExtension(XF86DRINAME, - XF86DRINumberEvents, - XF86DRINumberErrors, - ProcXF86DRIDispatch, - SProcXF86DRIDispatch, - XF86DRIResetProc, - StandardMinorOpcode))) { - DRIReqCode = (unsigned char)extEntry->base; - DRIErrorBase = extEntry->errorBase; - } -} - -/*ARGSUSED*/ -static void -XF86DRIResetProc ( - ExtensionEntry* extEntry -) -{ - DRIReset(); -} - -static int -ProcXF86DRIQueryVersion( - register ClientPtr client -) -{ - xXF86DRIQueryVersionReply rep; - register int n; - - REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION; - rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION; - rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION; - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - swapl(&rep.patchVersion, n); - } - WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep); - return (client->noClientException); -} - -static int -ProcXF86DRIQueryDirectRenderingCapable( - register ClientPtr client -) -{ - xXF86DRIQueryDirectRenderingCapableReply rep; - Bool isCapable; - register int n; - - REQUEST(xXF86DRIQueryDirectRenderingCapableReq); - REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen], - &isCapable)) { - return BadValue; - } - rep.isCapable = isCapable; - - if (!LocalClient(client) || client->swapped) - rep.isCapable = 0; - - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - } - - WriteToClient(client, - sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep); - return (client->noClientException); -} - -static int -ProcXF86DRIOpenConnection( - register ClientPtr client -) -{ - xXF86DRIOpenConnectionReply rep; - drm_handle_t hSAREA; - char* busIdString; - - REQUEST(xXF86DRIOpenConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - if (!DRIOpenConnection( screenInfo.screens[stuff->screen], - &hSAREA, - &busIdString)) { - return BadValue; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.busIdStringLength = 0; - if (busIdString) - rep.busIdStringLength = strlen(busIdString); - rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) + - pad_to_int32(rep.busIdStringLength)); - - rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff); -#if defined(LONG64) && !defined(__linux__) - rep.hSAREAHigh = (CARD32)(hSAREA >> 32); -#else - rep.hSAREAHigh = 0; -#endif - - WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep); - if (rep.busIdStringLength) - WriteToClient(client, rep.busIdStringLength, busIdString); - return (client->noClientException); -} - -static int -ProcXF86DRIAuthConnection( - register ClientPtr client -) -{ - xXF86DRIAuthConnectionReply rep; - - REQUEST(xXF86DRIAuthConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.authenticated = 1; - - if (!DRIAuthConnection( screenInfo.screens[stuff->screen], stuff->magic)) { - ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic); - rep.authenticated = 0; - } - WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep); - return (client->noClientException); -} - -static int -ProcXF86DRICloseConnection( - register ClientPtr client -) -{ - REQUEST(xXF86DRICloseConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - DRICloseConnection( screenInfo.screens[stuff->screen]); - - return (client->noClientException); -} - -static int -ProcXF86DRIGetClientDriverName( - register ClientPtr client -) -{ - xXF86DRIGetClientDriverNameReply rep; - char* clientDriverName; - - REQUEST(xXF86DRIGetClientDriverNameReq); - REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - DRIGetClientDriverName( screenInfo.screens[stuff->screen], - (int *)&rep.ddxDriverMajorVersion, - (int *)&rep.ddxDriverMinorVersion, - (int *)&rep.ddxDriverPatchVersion, - &clientDriverName); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.clientDriverNameLength = 0; - if (clientDriverName) - rep.clientDriverNameLength = strlen(clientDriverName); - rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) - - SIZEOF(xGenericReply) + - pad_to_int32(rep.clientDriverNameLength)); - - WriteToClient(client, - sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep); - if (rep.clientDriverNameLength) - WriteToClient(client, - rep.clientDriverNameLength, - clientDriverName); - return (client->noClientException); -} - -static int -ProcXF86DRICreateContext( - register ClientPtr client -) -{ - xXF86DRICreateContextReply rep; - ScreenPtr pScreen; - - REQUEST(xXF86DRICreateContextReq); - REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - pScreen = screenInfo.screens[stuff->screen]; - - if (!DRICreateContext( pScreen, - NULL, - stuff->context, - (drm_context_t *)&rep.hHWContext)) { - return BadValue; - } - - WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep); - return (client->noClientException); -} - -static int -ProcXF86DRIDestroyContext( - register ClientPtr client -) -{ - REQUEST(xXF86DRIDestroyContextReq); - REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - if (!DRIDestroyContext( screenInfo.screens[stuff->screen], - stuff->context)) { - return BadValue; - } - - return (client->noClientException); -} - -static int -ProcXF86DRICreateDrawable( - ClientPtr client -) -{ - xXF86DRICreateDrawableReply rep; - DrawablePtr pDrawable; - int rc; - - REQUEST(xXF86DRICreateDrawableReq); - REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client, - pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) { - return BadValue; - } - - WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep); - return (client->noClientException); -} - -static int -ProcXF86DRIDestroyDrawable( - register ClientPtr client -) -{ - REQUEST(xXF86DRIDestroyDrawableReq); - DrawablePtr pDrawable; - int rc; - REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); - - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client, - pDrawable)) { - return BadValue; - } - - return (client->noClientException); -} - -static int -ProcXF86DRIGetDrawableInfo( - register ClientPtr client -) -{ - xXF86DRIGetDrawableInfoReply rep; - DrawablePtr pDrawable; - int X, Y, W, H; - drm_clip_rect_t * pClipRects, *pClippedRects; - drm_clip_rect_t * pBackClipRects; - int backX, backY, rc; - - REQUEST(xXF86DRIGetDrawableInfoReq); - REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen], - pDrawable, - (unsigned int*)&rep.drawableTableIndex, - (unsigned int*)&rep.drawableTableStamp, - (int*)&X, - (int*)&Y, - (int*)&W, - (int*)&H, - (int*)&rep.numClipRects, - &pClipRects, - &backX, - &backY, - (int*)&rep.numBackClipRects, - &pBackClipRects)) { - return BadValue; - } - - rep.drawableX = X; - rep.drawableY = Y; - rep.drawableWidth = W; - rep.drawableHeight = H; - rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - - SIZEOF(xGenericReply)); - - rep.backX = backX; - rep.backY = backY; - - if (rep.numBackClipRects) - rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; - - pClippedRects = pClipRects; - - if (rep.numClipRects) { - /* Clip cliprects to screen dimensions (redirected windows) */ - pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t)); - - if (pClippedRects) { - ScreenPtr pScreen = screenInfo.screens[stuff->screen]; - int i, j; - - for (i = 0, j = 0; i < rep.numClipRects; i++) { - pClippedRects[j].x1 = max(pClipRects[i].x1, 0); - pClippedRects[j].y1 = max(pClipRects[i].y1, 0); - pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width); - pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height); - - if (pClippedRects[j].x1 < pClippedRects[j].x2 && - pClippedRects[j].y1 < pClippedRects[j].y2) { - j++; - } - } - - rep.numClipRects = j; - } else { - rep.numClipRects = 0; - } - - rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; - } - - rep.length = bytes_to_int32(rep.length); - - WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep); - - if (rep.numClipRects) { - WriteToClient(client, - sizeof(drm_clip_rect_t) * rep.numClipRects, - (char *)pClippedRects); - xfree(pClippedRects); - } - - if (rep.numBackClipRects) { - WriteToClient(client, - sizeof(drm_clip_rect_t) * rep.numBackClipRects, - (char *)pBackClipRects); - } - - return (client->noClientException); -} - -static int -ProcXF86DRIGetDeviceInfo( - register ClientPtr client -) -{ - xXF86DRIGetDeviceInfoReply rep; - drm_handle_t hFrameBuffer; - void *pDevPrivate; - - REQUEST(xXF86DRIGetDeviceInfoReq); - REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen], - &hFrameBuffer, - (int*)&rep.framebufferOrigin, - (int*)&rep.framebufferSize, - (int*)&rep.framebufferStride, - (int*)&rep.devPrivateSize, - &pDevPrivate)) { - return BadValue; - } - - rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff); -#if defined(LONG64) && !defined(__linux__) - rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32); -#else - rep.hFrameBufferHigh = 0; -#endif - - rep.length = 0; - if (rep.devPrivateSize) { - rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) - - SIZEOF(xGenericReply) + - pad_to_int32(rep.devPrivateSize)); - } - - WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep); - if (rep.length) { - WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate); - } - return (client->noClientException); -} - -static int -ProcXF86DRIDispatch ( - register ClientPtr client -) -{ - REQUEST(xReq); - - switch (stuff->data) - { - case X_XF86DRIQueryVersion: - return ProcXF86DRIQueryVersion(client); - case X_XF86DRIQueryDirectRenderingCapable: - return ProcXF86DRIQueryDirectRenderingCapable(client); - } - - if (!LocalClient(client)) - return DRIErrorBase + XF86DRIClientNotLocal; - - switch (stuff->data) - { - case X_XF86DRIOpenConnection: - return ProcXF86DRIOpenConnection(client); - case X_XF86DRICloseConnection: - return ProcXF86DRICloseConnection(client); - case X_XF86DRIGetClientDriverName: - return ProcXF86DRIGetClientDriverName(client); - case X_XF86DRICreateContext: - return ProcXF86DRICreateContext(client); - case X_XF86DRIDestroyContext: - return ProcXF86DRIDestroyContext(client); - case X_XF86DRICreateDrawable: - return ProcXF86DRICreateDrawable(client); - case X_XF86DRIDestroyDrawable: - return ProcXF86DRIDestroyDrawable(client); - case X_XF86DRIGetDrawableInfo: - return ProcXF86DRIGetDrawableInfo(client); - case X_XF86DRIGetDeviceInfo: - return ProcXF86DRIGetDeviceInfo(client); - case X_XF86DRIAuthConnection: - return ProcXF86DRIAuthConnection(client); - /* {Open,Close}FullScreen are deprecated now */ - default: - return BadRequest; - } -} - -static int -SProcXF86DRIQueryVersion( - register ClientPtr client -) -{ - register int n; - REQUEST(xXF86DRIQueryVersionReq); - swaps(&stuff->length, n); - return ProcXF86DRIQueryVersion(client); -} - -static int -SProcXF86DRIQueryDirectRenderingCapable( - register ClientPtr client -) -{ - register int n; - REQUEST(xXF86DRIQueryDirectRenderingCapableReq); - swaps(&stuff->length, n); - swapl(&stuff->screen, n); - return ProcXF86DRIQueryDirectRenderingCapable(client); -} - -static int -SProcXF86DRIDispatch ( - register ClientPtr client -) -{ - REQUEST(xReq); - - /* - * Only local clients are allowed DRI access, but remote clients still need - * these requests to find out cleanly. - */ - switch (stuff->data) - { - case X_XF86DRIQueryVersion: - return SProcXF86DRIQueryVersion(client); - case X_XF86DRIQueryDirectRenderingCapable: - return SProcXF86DRIQueryDirectRenderingCapable(client); - default: - return DRIErrorBase + XF86DRIClientNotLocal; - } -} +/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+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, sub license, 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 (including the
+next paragraph) 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 NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Kevin E. Martin <martin@valinux.com>
+ * Jens Owen <jens@tungstengraphics.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+
+#include "xf86.h"
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#define _XF86DRI_SERVER_
+#include <X11/dri/xf86driproto.h>
+#include "swaprep.h"
+#include "xf86str.h"
+#include "dri.h"
+#include "sarea.h"
+#include "dristruct.h"
+#include "xf86.h"
+#include "xf86drm.h"
+#include "protocol-versions.h"
+
+static int DRIErrorBase;
+
+static DISPATCH_PROC(ProcXF86DRIQueryVersion);
+static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);
+static DISPATCH_PROC(ProcXF86DRIOpenConnection);
+static DISPATCH_PROC(ProcXF86DRICloseConnection);
+static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);
+static DISPATCH_PROC(ProcXF86DRICreateContext);
+static DISPATCH_PROC(ProcXF86DRIDestroyContext);
+static DISPATCH_PROC(ProcXF86DRICreateDrawable);
+static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);
+static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);
+static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);
+static DISPATCH_PROC(ProcXF86DRIDispatch);
+static DISPATCH_PROC(ProcXF86DRIAuthConnection);
+
+static DISPATCH_PROC(SProcXF86DRIQueryVersion);
+static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);
+static DISPATCH_PROC(SProcXF86DRIDispatch);
+
+static void XF86DRIResetProc(ExtensionEntry* extEntry);
+
+static unsigned char DRIReqCode = 0;
+
+extern void XFree86DRIExtensionInit(void);
+
+void
+XFree86DRIExtensionInit(void)
+{
+ ExtensionEntry* extEntry;
+
+#ifdef XF86DRI_EVENTS
+ EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvent");
+#endif
+
+ if (
+ DRIExtensionInit() &&
+#ifdef XF86DRI_EVENTS
+ EventType && ScreenPrivateIndex != -1 &&
+#endif
+ (extEntry = AddExtension(XF86DRINAME,
+ XF86DRINumberEvents,
+ XF86DRINumberErrors,
+ ProcXF86DRIDispatch,
+ SProcXF86DRIDispatch,
+ XF86DRIResetProc,
+ StandardMinorOpcode))) {
+ DRIReqCode = (unsigned char)extEntry->base;
+ DRIErrorBase = extEntry->errorBase;
+ }
+}
+
+/*ARGSUSED*/
+static void
+XF86DRIResetProc (
+ ExtensionEntry* extEntry
+)
+{
+ DRIReset();
+}
+
+static int
+ProcXF86DRIQueryVersion(
+ register ClientPtr client
+)
+{
+ xXF86DRIQueryVersionReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION;
+ rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION;
+ rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swaps(&rep.majorVersion, n);
+ swaps(&rep.minorVersion, n);
+ swapl(&rep.patchVersion, n);
+ }
+ WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXF86DRIQueryDirectRenderingCapable(
+ register ClientPtr client
+)
+{
+ xXF86DRIQueryDirectRenderingCapableReply rep;
+ Bool isCapable;
+ register int n;
+
+ REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
+ REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen],
+ &isCapable)) {
+ return BadValue;
+ }
+ rep.isCapable = isCapable;
+
+ if (!LocalClient(client) || client->swapped)
+ rep.isCapable = 0;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ }
+
+ WriteToClient(client,
+ sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXF86DRIOpenConnection(
+ register ClientPtr client
+)
+{
+ xXF86DRIOpenConnectionReply rep;
+ drm_handle_t hSAREA;
+ char* busIdString;
+
+ REQUEST(xXF86DRIOpenConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ if (!DRIOpenConnection( screenInfo.screens[stuff->screen],
+ &hSAREA,
+ &busIdString)) {
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.busIdStringLength = 0;
+ if (busIdString)
+ rep.busIdStringLength = strlen(busIdString);
+ rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +
+ pad_to_int32(rep.busIdStringLength));
+
+ rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff);
+#if defined(LONG64) && !defined(__linux__)
+ rep.hSAREAHigh = (CARD32)(hSAREA >> 32);
+#else
+ rep.hSAREAHigh = 0;
+#endif
+
+ WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);
+ if (rep.busIdStringLength)
+ WriteToClient(client, rep.busIdStringLength, busIdString);
+ return Success;
+}
+
+static int
+ProcXF86DRIAuthConnection(
+ register ClientPtr client
+)
+{
+ xXF86DRIAuthConnectionReply rep;
+
+ REQUEST(xXF86DRIAuthConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.authenticated = 1;
+
+ if (!DRIAuthConnection( screenInfo.screens[stuff->screen], stuff->magic)) {
+ ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic);
+ rep.authenticated = 0;
+ }
+ WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXF86DRICloseConnection(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRICloseConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ DRICloseConnection( screenInfo.screens[stuff->screen]);
+
+ return Success;
+}
+
+static int
+ProcXF86DRIGetClientDriverName(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetClientDriverNameReply rep;
+ char* clientDriverName;
+
+ REQUEST(xXF86DRIGetClientDriverNameReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ DRIGetClientDriverName( screenInfo.screens[stuff->screen],
+ (int *)&rep.ddxDriverMajorVersion,
+ (int *)&rep.ddxDriverMinorVersion,
+ (int *)&rep.ddxDriverPatchVersion,
+ &clientDriverName);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.clientDriverNameLength = 0;
+ if (clientDriverName)
+ rep.clientDriverNameLength = strlen(clientDriverName);
+ rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) -
+ SIZEOF(xGenericReply) +
+ pad_to_int32(rep.clientDriverNameLength));
+
+ WriteToClient(client,
+ sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);
+ if (rep.clientDriverNameLength)
+ WriteToClient(client,
+ rep.clientDriverNameLength,
+ clientDriverName);
+ return Success;
+}
+
+static int
+ProcXF86DRICreateContext(
+ register ClientPtr client
+)
+{
+ xXF86DRICreateContextReply rep;
+ ScreenPtr pScreen;
+
+ REQUEST(xXF86DRICreateContextReq);
+ REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ pScreen = screenInfo.screens[stuff->screen];
+
+ if (!DRICreateContext( pScreen,
+ NULL,
+ stuff->context,
+ (drm_context_t *)&rep.hHWContext)) {
+ return BadValue;
+ }
+
+ WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXF86DRIDestroyContext(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRIDestroyContextReq);
+ REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ if (!DRIDestroyContext( screenInfo.screens[stuff->screen],
+ stuff->context)) {
+ return BadValue;
+ }
+
+ return Success;
+}
+
+static int
+ProcXF86DRICreateDrawable(
+ ClientPtr client
+)
+{
+ xXF86DRICreateDrawableReply rep;
+ DrawablePtr pDrawable;
+ int rc;
+
+ REQUEST(xXF86DRICreateDrawableReq);
+ REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
+ DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client,
+ pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) {
+ return BadValue;
+ }
+
+ WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXF86DRIDestroyDrawable(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRIDestroyDrawableReq);
+ DrawablePtr pDrawable;
+ int rc;
+ REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
+
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
+ DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client,
+ pDrawable)) {
+ return BadValue;
+ }
+
+ return Success;
+}
+
+static int
+ProcXF86DRIGetDrawableInfo(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetDrawableInfoReply rep;
+ DrawablePtr pDrawable;
+ int X, Y, W, H;
+ drm_clip_rect_t * pClipRects, *pClippedRects;
+ drm_clip_rect_t * pBackClipRects;
+ int backX, backY, rc;
+
+ REQUEST(xXF86DRIGetDrawableInfoReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
+ DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
+ pDrawable,
+ (unsigned int*)&rep.drawableTableIndex,
+ (unsigned int*)&rep.drawableTableStamp,
+ (int*)&X,
+ (int*)&Y,
+ (int*)&W,
+ (int*)&H,
+ (int*)&rep.numClipRects,
+ &pClipRects,
+ &backX,
+ &backY,
+ (int*)&rep.numBackClipRects,
+ &pBackClipRects)) {
+ return BadValue;
+ }
+
+ rep.drawableX = X;
+ rep.drawableY = Y;
+ rep.drawableWidth = W;
+ rep.drawableHeight = H;
+ rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
+ SIZEOF(xGenericReply));
+
+ rep.backX = backX;
+ rep.backY = backY;
+
+ if (rep.numBackClipRects)
+ rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
+
+ pClippedRects = pClipRects;
+
+ if (rep.numClipRects) {
+ /* Clip cliprects to screen dimensions (redirected windows) */
+ pClippedRects = malloc(rep.numClipRects * sizeof(drm_clip_rect_t));
+
+ if (pClippedRects) {
+ ScreenPtr pScreen = screenInfo.screens[stuff->screen];
+ int i, j;
+
+ for (i = 0, j = 0; i < rep.numClipRects; i++) {
+ pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
+ pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
+ pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
+ pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
+
+ if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
+ pClippedRects[j].y1 < pClippedRects[j].y2) {
+ j++;
+ }
+ }
+
+ rep.numClipRects = j;
+ } else {
+ rep.numClipRects = 0;
+ }
+
+ rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
+ }
+
+ rep.length = bytes_to_int32(rep.length);
+
+ WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
+
+ if (rep.numClipRects) {
+ WriteToClient(client,
+ sizeof(drm_clip_rect_t) * rep.numClipRects,
+ (char *)pClippedRects);
+ free(pClippedRects);
+ }
+
+ if (rep.numBackClipRects) {
+ WriteToClient(client,
+ sizeof(drm_clip_rect_t) * rep.numBackClipRects,
+ (char *)pBackClipRects);
+ }
+
+ return Success;
+}
+
+static int
+ProcXF86DRIGetDeviceInfo(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetDeviceInfoReply rep;
+ drm_handle_t hFrameBuffer;
+ void *pDevPrivate;
+
+ REQUEST(xXF86DRIGetDeviceInfoReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen],
+ &hFrameBuffer,
+ (int*)&rep.framebufferOrigin,
+ (int*)&rep.framebufferSize,
+ (int*)&rep.framebufferStride,
+ (int*)&rep.devPrivateSize,
+ &pDevPrivate)) {
+ return BadValue;
+ }
+
+ rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff);
+#if defined(LONG64) && !defined(__linux__)
+ rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);
+#else
+ rep.hFrameBufferHigh = 0;
+#endif
+
+ rep.length = 0;
+ if (rep.devPrivateSize) {
+ rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) -
+ SIZEOF(xGenericReply) +
+ pad_to_int32(rep.devPrivateSize));
+ }
+
+ WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);
+ if (rep.length) {
+ WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);
+ }
+ return Success;
+}
+
+static int
+ProcXF86DRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_XF86DRIQueryVersion:
+ return ProcXF86DRIQueryVersion(client);
+ case X_XF86DRIQueryDirectRenderingCapable:
+ return ProcXF86DRIQueryDirectRenderingCapable(client);
+ }
+
+ if (!LocalClient(client))
+ return DRIErrorBase + XF86DRIClientNotLocal;
+
+ switch (stuff->data)
+ {
+ case X_XF86DRIOpenConnection:
+ return ProcXF86DRIOpenConnection(client);
+ case X_XF86DRICloseConnection:
+ return ProcXF86DRICloseConnection(client);
+ case X_XF86DRIGetClientDriverName:
+ return ProcXF86DRIGetClientDriverName(client);
+ case X_XF86DRICreateContext:
+ return ProcXF86DRICreateContext(client);
+ case X_XF86DRIDestroyContext:
+ return ProcXF86DRIDestroyContext(client);
+ case X_XF86DRICreateDrawable:
+ return ProcXF86DRICreateDrawable(client);
+ case X_XF86DRIDestroyDrawable:
+ return ProcXF86DRIDestroyDrawable(client);
+ case X_XF86DRIGetDrawableInfo:
+ return ProcXF86DRIGetDrawableInfo(client);
+ case X_XF86DRIGetDeviceInfo:
+ return ProcXF86DRIGetDeviceInfo(client);
+ case X_XF86DRIAuthConnection:
+ return ProcXF86DRIAuthConnection(client);
+ /* {Open,Close}FullScreen are deprecated now */
+ default:
+ return BadRequest;
+ }
+}
+
+static int
+SProcXF86DRIQueryVersion(
+ register ClientPtr client
+)
+{
+ register int n;
+ REQUEST(xXF86DRIQueryVersionReq);
+ swaps(&stuff->length, n);
+ return ProcXF86DRIQueryVersion(client);
+}
+
+static int
+SProcXF86DRIQueryDirectRenderingCapable(
+ register ClientPtr client
+)
+{
+ register int n;
+ REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
+ swaps(&stuff->length, n);
+ swapl(&stuff->screen, n);
+ return ProcXF86DRIQueryDirectRenderingCapable(client);
+}
+
+static int
+SProcXF86DRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ /*
+ * Only local clients are allowed DRI access, but remote clients still need
+ * these requests to find out cleanly.
+ */
+ switch (stuff->data)
+ {
+ case X_XF86DRIQueryVersion:
+ return SProcXF86DRIQueryVersion(client);
+ case X_XF86DRIQueryDirectRenderingCapable:
+ return SProcXF86DRIQueryDirectRenderingCapable(client);
+ default:
+ return DRIErrorBase + XF86DRIClientNotLocal;
+ }
+}
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