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Diffstat (limited to 'xorg-server/hw/xfree86/dri/dri.c')
-rw-r--r--xorg-server/hw/xfree86/dri/dri.c5000
1 files changed, 2498 insertions, 2502 deletions
diff --git a/xorg-server/hw/xfree86/dri/dri.c b/xorg-server/hw/xfree86/dri/dri.c
index 38241f904..bb5482a0b 100644
--- a/xorg-server/hw/xfree86/dri/dri.c
+++ b/xorg-server/hw/xfree86/dri/dri.c
@@ -1,2502 +1,2498 @@
-/**************************************************************************
-
-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"
-
-static int DRIEntPrivIndex = -1;
-static DevPrivateKeyRec DRIScreenPrivKeyRec;
-#define DRIScreenPrivKey (&DRIScreenPrivKeyRec)
-static DevPrivateKeyRec DRIWindowPrivKeyRec;
-#define DRIWindowPrivKey (&DRIWindowPrivKeyRec)
-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;
-
- if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
- if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0))
- return FALSE;
-
- 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,
- (uintptr_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");
- free(pDRIPriv->hiddenContextStore);
- 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 (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 (RegionNumRects(&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(pScreen->root, 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 = RegionNumRects(&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,
- RegionNumRects(&pWin->clipList),
- RegionRects(&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 = RegionNumRects(&pWin->clipList);
- *pClipRects = (drm_clip_rect_t *)RegionRects(&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)
-{
- 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(RegionNumRects(&(pWin->clipList)) > 0) {
- RegionPtr reg = (RegionPtr)data;
-
- RegionUnion(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;
-
- RegionNull(&reg);
- pDRIPriv->nrWalked = 0;
- TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
-
- if(RegionNotEmpty(&reg)) {
- RegionTranslate(&reg, ptOldOrg.x - pWin->drawable.x,
- ptOldOrg.y - pWin->drawable.y);
- RegionIntersect(&reg, &reg, prgnSrc);
-
- /* The MoveBuffers interface is not ideal */
- (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, &reg,
- pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
- }
-
- RegionUninit(&reg);
- }
-
- /* 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 = RegionNumRects(&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, RegionRects(&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 = RegionExtents(reg);
- nbox = RegionNumRects(reg);
- pbox = RegionRects(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;
-
- if (asprintf(&busID, "pci:%04x:%02x:%02x.%d",
- dev->domain, dev->bus, dev->dev, dev->func) == -1)
- return NULL;
-
- 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"
+
+static int DRIEntPrivIndex = -1;
+static DevPrivateKeyRec DRIScreenPrivKeyRec;
+#define DRIScreenPrivKey (&DRIScreenPrivKeyRec)
+static DevPrivateKeyRec DRIWindowPrivKeyRec;
+#define DRIWindowPrivKey (&DRIWindowPrivKeyRec)
+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;
+
+ if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+
+ 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,
+ (uintptr_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");
+ free(pDRIPriv->hiddenContextStore);
+ 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 (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 (RegionNumRects(&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(pScreen->root, 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 = RegionNumRects(&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,
+ RegionNumRects(&pWin->clipList),
+ RegionRects(&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);
+ *W = (int)(pWin->drawable.width);
+ *H = (int)(pWin->drawable.height);
+ *numClipRects = RegionNumRects(&pWin->clipList);
+ *pClipRects = (drm_clip_rect_t *)RegionRects(&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)
+{
+ 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(RegionNumRects(&(pWin->clipList)) > 0) {
+ RegionPtr reg = (RegionPtr)data;
+
+ RegionUnion(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;
+
+ RegionNull(&reg);
+ pDRIPriv->nrWalked = 0;
+ TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
+
+ if(RegionNotEmpty(&reg)) {
+ RegionTranslate(&reg, ptOldOrg.x - pWin->drawable.x,
+ ptOldOrg.y - pWin->drawable.y);
+ RegionIntersect(&reg, &reg, prgnSrc);
+
+ /* The MoveBuffers interface is not ideal */
+ (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, &reg,
+ pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
+ }
+
+ RegionUninit(&reg);
+ }
+
+ /* 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 = RegionNumRects(&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, RegionRects(&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 = RegionExtents(reg);
+ nbox = RegionNumRects(reg);
+ pbox = RegionRects(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;
+
+ if (asprintf(&busID, "pci:%04x:%02x:%02x.%d",
+ dev->domain, dev->bus, dev->dev, dev->func) == -1)
+ return NULL;
+
+ 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 00:30:41 +0000