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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/GL/dri/dri.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
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massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/GL/dri/dri.c')
-rw-r--r--nx-X11/programs/Xserver/GL/dri/dri.c2109
1 files changed, 0 insertions, 2109 deletions
diff --git a/nx-X11/programs/Xserver/GL/dri/dri.c b/nx-X11/programs/Xserver/GL/dri/dri.c
deleted file mode 100644
index 424a21c68..000000000
--- a/nx-X11/programs/Xserver/GL/dri/dri.c
+++ /dev/null
@@ -1,2109 +0,0 @@
-/* $XFree86: xc/programs/Xserver/GL/dri/dri.c,v 1.39 2003/11/10 18:21:41 tsi Exp $ */
-/**************************************************************************
-
-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"
-#ifdef XFree86LOADER
-#include "xf86_ansic.h"
-#else
-#include <sys/time.h>
-#include <unistd.h>
-#endif
-
-#define NEED_REPLIES
-#define NEED_EVENTS
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "servermd.h"
-#define _XF86DRI_SERVER_
-#include "xf86dristr.h"
-#include "swaprep.h"
-#include "xf86str.h"
-#include "dri.h"
-#include "sarea.h"
-#include "dristruct.h"
-#include "xf86.h"
-#include "xf86drm.h"
-#include "glxserver.h"
-#include "mi.h"
-#include "mipointer.h"
-
-#if defined(XFree86LOADER) && !defined(PANORAMIX)
-extern Bool noPanoramiXExtension;
-#endif
-
-static int DRIScreenPrivIndex = -1;
-static int DRIWindowPrivIndex = -1;
-static unsigned long DRIGeneration = 0;
-static unsigned int DRIDrawableValidationStamp = 0;
-
-static RESTYPE DRIDrawablePrivResType;
-static RESTYPE DRIContextPrivResType;
-static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv);
-
- /* 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);
-}
-
-Bool
-DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
-{
- DRIScreenPrivPtr pDRIPriv;
- drm_context_t * reserved;
- int reserved_count;
- int i, fd, drmWasAvailable;
- Bool xineramaInCore = FALSE;
- int err = 0;
- char *openbusid;
- drmVersionPtr drmlibv;
- int drmlibmajor, drmlibminor, drmdimajor, drmdiminor;
-
- if (DRIGeneration != serverGeneration) {
- if ((DRIScreenPrivIndex = AllocateScreenPrivateIndex()) < 0)
- return FALSE;
- DRIGeneration = serverGeneration;
- }
-
- /* 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 Xinerama is on, don't allow DRI to initialise. It won't be usable
- * anyway.
- */
-#if defined(PANORAMIX) && !defined(XFree86LOADER)
- xineramaInCore = TRUE;
-#elif defined(XFree86LOADER)
- if (xf86LoaderCheckSymbol("noPanoramiXExtension"))
- xineramaInCore = TRUE;
-#endif
-
-#if defined(PANORAMIX) || defined(XFree86LOADER)
- if (xineramaInCore) {
- if (!noPanoramiXExtension) {
- DRIDrvMsg(pScreen->myNum, X_WARNING,
- "Direct rendering is not supported when Xinerama is enabled\n");
- return FALSE;
- }
- }
-#endif
-
- drmWasAvailable = drmAvailable();
-
- /* 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.
- */
- if (drmlibmajor == 1 && drmlibminor >= 2)
- openbusid = pDRIInfo->busIdString;
- else
- openbusid = NULL;
-
- /* Note that drmOpen will try to load the kernel module, if needed. */
- fd = drmOpen(pDRIInfo->drmDriverName, openbusid);
- if (fd < 0) {
- /* failed to open DRM */
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmOpen failed\n");
- return FALSE;
- }
-
- if (!drmWasAvailable) {
- /* drmOpen loaded the kernel module, print a message to say so */
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] loaded kernel module for \"%s\" driver\n",
- pDRIInfo->drmDriverName);
- }
-
- pDRIPriv = (DRIScreenPrivPtr) xcalloc(1, sizeof(DRIScreenPrivRec));
- if (!pDRIPriv) {
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
- return FALSE;
- }
-
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = (pointer) pDRIPriv;
- pDRIPriv->drmFD = fd;
- pDRIPriv->directRenderingSupport = TRUE;
- pDRIPriv->pDriverInfo = pDRIInfo;
- pDRIPriv->nrWindows = 0;
- pDRIPriv->fullscreen = NULL;
-
- pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx;
- pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv;
-
- pDRIPriv->grabbedDRILock = FALSE;
- pDRIPriv->drmSIGIOHandlerInstalled = FALSE;
-
- if (drmlibmajor == 1 && drmlibminor >= 2) {
- drmSetVersion sv;
-
- /* Get the interface version, asking for 1.1. */
- sv.drm_di_major = 1;
- sv.drm_di_minor = 1;
- sv.drm_dd_major = -1;
- err = drmSetInterfaceVersion(pDRIPriv->drmFD, &sv);
- if (err == 0) {
- drmdimajor = sv.drm_di_major;
- drmdiminor = sv.drm_di_minor;
- } else {
- /* failure, so set it to 1.0.0. */
- drmdimajor = 1;
- drmdiminor = 0;
- }
- }
- else {
- /* We can't check the DI DRM interface version, so set it to 1.0.0. */
- drmdimajor = 1;
- drmdiminor = 0;
- }
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] DRM interface version %d.%d\n", drmdimajor, drmdiminor);
-
- /* If the interface minor number is 1.1, then we've opened a DRM device
- * that already had the busid set through drmOpen.
- */
- if (drmdimajor == 1 && drmdiminor >= 1)
- err = 0;
- else
- err = drmSetBusid(pDRIPriv->drmFD, pDRIPriv->pDriverInfo->busIdString);
-
- if (err < 0) {
- pDRIPriv->directRenderingSupport = FALSE;
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
- drmClose(pDRIPriv->drmFD);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmSetBusid failed (%d, %s), %s\n",
- pDRIPriv->drmFD, pDRIPriv->pDriverInfo->busIdString, strerror(-err));
- return FALSE;
- }
-
- *pDRMFD = pDRIPriv->drmFD;
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] created \"%s\" driver at busid \"%s\"\n",
- pDRIPriv->pDriverInfo->drmDriverName,
- pDRIPriv->pDriverInfo->busIdString);
-
- if (drmAddMap( pDRIPriv->drmFD,
- 0,
- pDRIPriv->pDriverInfo->SAREASize,
- DRM_SHM,
- DRM_CONTAINS_LOCK,
- &pDRIPriv->hSAREA) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = 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);
-
- if (drmMap( pDRIPriv->drmFD,
- pDRIPriv->hSAREA,
- pDRIPriv->pDriverInfo->SAREASize,
- (drmAddressPtr)(&pDRIPriv->pSAREA)) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
- drmClose(pDRIPriv->drmFD);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmMap failed\n");
- return FALSE;
- }
- memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize);
- DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n",
- pDRIPriv->hSAREA, pDRIPriv->pSAREA);
-
- if (drmAddMap( pDRIPriv->drmFD,
- (drm_handle_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
- pDRIPriv->pDriverInfo->frameBufferSize,
- DRM_FRAME_BUFFER,
- 0,
- &pDRIPriv->hFrameBuffer) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = 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->hFrameBuffer);
-
- /* 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;
- }
-
- return TRUE;
-}
-
-Bool
-DRIFinishScreenInit(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
- DRIContextFlags flags = 0;
- DRIContextPrivPtr pDRIContextPriv;
-
- /* Set up flags for DRICreateContextPriv */
- switch (pDRIInfo->driverSwapMethod) {
- case DRI_KERNEL_SWAP: flags = DRI_CONTEXT_2DONLY; break;
- case DRI_HIDE_X_CONTEXT: flags = DRI_CONTEXT_PRESERVED; break;
- }
-
- if (!(pDRIContextPriv = DRICreateContextPriv(pScreen,
- &pDRIPriv->myContext,
- flags))) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "failed to create server context\n");
- return FALSE;
- }
- pDRIPriv->myContextPriv = pDRIContextPriv;
-
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "X context handle = %p\n", pDRIPriv->myContext);
-
- /* Now that we have created the X server's context, we can grab the
- * hardware lock for the X server.
- */
- DRILock(pScreen, 0);
- pDRIPriv->grabbedDRILock = TRUE;
-
- /* pointers so that we can prevent memory leaks later */
- pDRIPriv->hiddenContextStore = NULL;
- pDRIPriv->partial3DContextStore = NULL;
-
- switch(pDRIInfo->driverSwapMethod) {
- case DRI_HIDE_X_CONTEXT:
- /* Server will handle 3D swaps, and hide 2D swaps from kernel.
- * Register server context as a preserved context.
- */
-
- /* allocate memory for hidden context store */
- pDRIPriv->hiddenContextStore
- = (void *)xcalloc(1, pDRIInfo->contextSize);
- if (!pDRIPriv->hiddenContextStore) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "failed to allocate hidden context\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
-
- /* allocate memory for partial 3D context store */
- pDRIPriv->partial3DContextStore
- = (void *)xcalloc(1, pDRIInfo->contextSize);
- if (!pDRIPriv->partial3DContextStore) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] failed to allocate partial 3D context\n");
- xfree(pDRIPriv->hiddenContextStore);
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
-
- /* save initial context store */
- if (pDRIInfo->SwapContext) {
- (*pDRIInfo->SwapContext)(
- pScreen,
- DRI_NO_SYNC,
- DRI_2D_CONTEXT,
- pDRIPriv->hiddenContextStore,
- DRI_NO_CONTEXT,
- NULL);
- }
- /* fall through */
-
- case DRI_SERVER_SWAP:
- /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT
- * setup signal handler for receiving swap requests from kernel
- */
- if (!(pDRIPriv->drmSIGIOHandlerInstalled =
- drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to setup DRM signal handler\n");
- if (pDRIPriv->hiddenContextStore)
- xfree(pDRIPriv->hiddenContextStore);
- if (pDRIPriv->partial3DContextStore)
- xfree(pDRIPriv->partial3DContextStore);
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- } else {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] installed DRM signal handler\n");
- }
-
- default:
- break;
- }
-
- /* 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;
- }
- 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;
-
- if (pDRIPriv && pDRIPriv->directRenderingSupport) {
-
- 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 (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 ((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->lockRefCount = 0;
- 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);
- }
-
- drmClose(pDRIPriv->drmFD);
-
- xfree(pDRIPriv);
- pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
- }
-}
-
-Bool
-DRIExtensionInit(void)
-{
- int i;
- ScreenPtr pScreen;
-
- if (DRIScreenPrivIndex < 0) {
- return FALSE;
- }
-
- /* Allocate a window private index with a zero sized private area for
- * each window, then should a window become a DRI window, we'll hang
- * a DRIWindowPrivateRec off of this private index.
- */
- if ((DRIWindowPrivIndex = AllocateWindowPrivateIndex()) < 0)
- return FALSE;
-
- DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete);
- DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete);
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- if (!AllocateWindowPrivate(pScreen, DRIWindowPrivIndex, 0))
- return FALSE;
- }
-
- RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL);
-
- return TRUE;
-}
-
-void
-DRIReset(void)
-{
- /*
- * This stub routine is called when the X Server recycles, resources
- * allocated by DRIExtensionInit need to be managed here.
- *
- * Currently this routine is a stub because all the interesting resources
- * are managed via the screen init process.
- */
-}
-
-Bool
-DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool* isCapable)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv)
- *isCapable = pDRIPriv->directRenderingSupport;
- else
- *isCapable = FALSE;
-
- return TRUE;
-}
-
-Bool
-DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- *hSAREA = pDRIPriv->hSAREA;
- *busIdString = pDRIPriv->pDriverInfo->busIdString;
-
- return TRUE;
-}
-
-Bool
-DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE;
- return TRUE;
-}
-
-Bool
-DRICloseConnection(ScreenPtr pScreen)
-{
- return TRUE;
-}
-
-Bool
-DRIGetClientDriverName(ScreenPtr pScreen,
- int *ddxDriverMajorVersion,
- int *ddxDriverMinorVersion,
- int *ddxDriverPatchVersion,
- char **clientDriverName)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion;
- *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion;
- *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion;
- *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName;
-
- return TRUE;
-}
-
-/* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper
- functions that layer on drmCreateContext and drmAddContextTag.
-
- DRICreateContextPriv always creates a kernel drm_context_t and then calls
- DRICreateContextPrivFromHandle to create a DRIContextPriv structure for
- DRI tracking. For the SIGIO handler, the drm_context_t is associated with
- DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv
- area and are passed to the kernel (if necessary).
-
- DRICreateContextPriv returns a pointer to newly allocated
- DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */
-
-DRIContextPrivPtr
-DRICreateContextPriv(ScreenPtr pScreen,
- drm_context_t * pHWContext,
- DRIContextFlags flags)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) {
- return NULL;
- }
-
- return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags);
-}
-
-DRIContextPrivPtr
-DRICreateContextPrivFromHandle(ScreenPtr pScreen,
- drm_context_t hHWContext,
- DRIContextFlags flags)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIContextPrivPtr pDRIContextPriv;
- int contextPrivSize;
-
- contextPrivSize = sizeof(DRIContextPrivRec) +
- pDRIPriv->pDriverInfo->contextSize;
- if (!(pDRIContextPriv = xcalloc(1, contextPrivSize))) {
- return NULL;
- }
- pDRIContextPriv->pContextStore = (void *)(pDRIContextPriv + 1);
-
- drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv);
-
- pDRIContextPriv->hwContext = hHWContext;
- pDRIContextPriv->pScreen = pScreen;
- pDRIContextPriv->flags = flags;
- pDRIContextPriv->valid3D = FALSE;
-
- if (flags & DRI_CONTEXT_2DONLY) {
- if (drmSetContextFlags(pDRIPriv->drmFD,
- hHWContext,
- DRM_CONTEXT_2DONLY)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to set 2D context flag\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return NULL;
- }
- }
- if (flags & DRI_CONTEXT_PRESERVED) {
- if (drmSetContextFlags(pDRIPriv->drmFD,
- hHWContext,
- DRM_CONTEXT_PRESERVED)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to set preserved flag\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return NULL;
- }
- }
- return pDRIContextPriv;
-}
-
-Bool
-DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv)
-{
- DRIScreenPrivPtr pDRIPriv;
-
- if (!pDRIContextPriv) return TRUE;
-
- pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
-
- if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) {
- /* Don't delete reserved contexts from
- kernel area -- the kernel manages its
- reserved contexts itself. */
- if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext))
- return FALSE;
- }
-
- /* Remove the tag last to prevent a race
- condition where the context has pending
- buffers. The context can't be re-used
- while in this thread, but buffers can be
- dispatched asynchronously. */
- drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext);
- xfree(pDRIContextPriv);
- return TRUE;
-}
-
-static Bool
-DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- __GLXscreenInfo *pGLXScreen = __glXgetActiveScreen(pScreen->myNum);
- __GLcontextModes *modes = pGLXScreen->modes;
- void **pVisualConfigPriv = pGLXScreen->pVisualPriv;
- DRIContextPrivPtr pDRIContextPriv;
- void *contextStore;
- VisualPtr visual;
- int visNum;
-
- visual = pScreen->visuals;
-
- /* Find the X visual that corresponds the the first GLX visual */
- for (visNum = 0;
- visNum < pScreen->numVisuals;
- visNum++, visual++) {
- if (modes->visualID == visual->vid)
- break;
- }
- if (visNum == pScreen->numVisuals) return FALSE;
-
- if (!(pDRIContextPriv =
- DRICreateContextPriv(pScreen,
- &pDRIPriv->pSAREA->dummy_context, 0))) {
- return FALSE;
- }
-
- contextStore = DRIGetContextStore(pDRIContextPriv);
- if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) {
- if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, visual,
- pDRIPriv->pSAREA->dummy_context,
- *pVisualConfigPriv,
- (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);
- __GLXscreenInfo *pGLXScreen = __glXgetActiveScreen(pScreen->myNum);
- __GLcontextModes *modes = pGLXScreen->modes;
- void **pVisualConfigPriv = pGLXScreen->pVisualPriv;
- 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;
- }
- }
-
- /* Find the GLX visual associated with the one requested */
- for (modes = pGLXScreen->modes; modes != NULL; modes = modes->next) {
- if (modes->visualID == visual->vid)
- break;
- pVisualConfigPriv++;
- }
-
- if (modes == NULL) {
- /* No matching GLX visual found */
- return FALSE;
- }
-
- if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) {
- return FALSE;
- }
-
- contextStore = DRIGetContextStore(pDRIContextPriv);
- if (pDRIPriv->pDriverInfo->CreateContext) {
- if (!((*pDRIPriv->pDriverInfo->CreateContext)(pScreen, visual,
- *pHWContext, *pVisualConfigPriv,
- (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 );
-}
-
-
-Bool
-DRICreateDrawable(ScreenPtr pScreen, Drawable id,
- 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++;
- }
- else {
- /* allocate a DRI Window Private record */
- if (!(pDRIDrawablePriv = xalloc(sizeof(DRIDrawablePrivRec)))) {
- return FALSE;
- }
-
- /* Only create a drm_drawable_t once */
- if (drmCreateDrawable(pDRIPriv->drmFD, hHWDrawable)) {
- xfree(pDRIDrawablePriv);
- return FALSE;
- }
-
- /* add it to the list of DRI drawables for this screen */
- pDRIDrawablePriv->hwDrawable = *hHWDrawable;
- pDRIDrawablePriv->pScreen = pScreen;
- pDRIDrawablePriv->refCount = 1;
- pDRIDrawablePriv->drawableIndex = -1;
-
- /* save private off of preallocated index */
- pWin->devPrivates[DRIWindowPrivIndex].ptr =
- (pointer)pDRIDrawablePriv;
-
- switch (++pDRIPriv->nrWindows) {
- case 1:
- DRITransitionTo3d( pScreen );
- break;
- case 2:
- DRITransitionToSharedBuffers( pScreen );
- break;
- default:
- break;
- }
-
- /* track this in case this window is destroyed */
- AddResource(id, DRIDrawablePrivResType, (pointer)pWin);
- }
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-Bool
-DRIDestroyDrawable(ScreenPtr pScreen, Drawable id, DrawablePtr pDrawable)
-{
- DRIDrawablePrivPtr pDRIDrawablePriv;
- WindowPtr pWin;
-
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- pWin = (WindowPtr)pDrawable;
- pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
- pDRIDrawablePriv->refCount--;
- if (pDRIDrawablePriv->refCount <= 0) {
- /* This calls back DRIDrawablePrivDelete which frees private area */
- FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
- }
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-Bool
-DRIDrawablePrivDelete(pointer pResource, XID id)
-{
- DrawablePtr pDrawable = (DrawablePtr)pResource;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pDrawable->pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv;
- WindowPtr pWin;
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- pWin = (WindowPtr)pDrawable;
- pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
-
- 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;
- }
-
- if (drmDestroyDrawable(pDRIPriv->drmFD,
- pDRIDrawablePriv->hwDrawable)) {
- return FALSE;
- }
- xfree(pDRIDrawablePriv);
- pWin->devPrivates[DRIWindowPrivIndex].ptr = NULL;
-
- switch (--pDRIPriv->nrWindows) {
- case 0:
- DRITransitionTo2d( pDrawable->pScreen );
- break;
- case 1:
- DRITransitionToPrivateBuffers( pDrawable->pScreen );
- break;
- default:
- break;
- }
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-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;
-
- printf("maxDrawableTableEntry = %d\n", pDRIPriv->pDriverInfo->maxDrawableTableEntry);
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- pWin = (WindowPtr)pDrawable;
- if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
-
- /* Manage drawable table */
- if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */
-
- /* Search table for empty entry */
- i = 0;
- while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
- if (!(pDRIPriv->DRIDrawables[i])) {
- pDRIPriv->DRIDrawables[i] = pDrawable;
- pDRIDrawablePriv->drawableIndex = i;
- pDRIPriv->pSAREA->drawableTable[i].stamp =
- DRIDrawableValidationStamp++;
- break;
- }
- i++;
- }
-
- /* Search table for oldest entry */
- if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
- unsigned int oldestStamp = ~0;
- int oldestIndex = 0;
- i = pDRIPriv->pDriverInfo->maxDrawableTableEntry;
- while (i--) {
- if (pDRIPriv->pSAREA->drawableTable[i].stamp <
- oldestStamp) {
- oldestIndex = i;
- oldestStamp =
- pDRIPriv->pSAREA->drawableTable[i].stamp;
- }
- }
- pDRIDrawablePriv->drawableIndex = oldestIndex;
-
- /* release oldest drawable table entry */
- pOldWin = (WindowPtr)pDRIPriv->DRIDrawables[oldestIndex];
- pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin);
- pOldDrawPriv->drawableIndex = -1;
-
- /* claim drawable table entry */
- pDRIPriv->DRIDrawables[oldestIndex] = pDrawable;
-
- /* validate SAREA entry */
- pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp =
- DRIDrawableValidationStamp++;
-
- /* check for stamp wrap around */
- if (oldestStamp > DRIDrawableValidationStamp) {
-
- /* walk SAREA table and invalidate all drawables */
- for( i=0;
- i < pDRIPriv->pDriverInfo->maxDrawableTableEntry;
- i++) {
- pDRIPriv->pSAREA->drawableTable[i].stamp =
- DRIDrawableValidationStamp++;
- }
- }
- }
-
- /* If the driver wants to be notified when the index is
- * set for a drawable, let it know now.
- */
- if (pDRIPriv->pDriverInfo->SetDrawableIndex)
- pDRIPriv->pDriverInfo->SetDrawableIndex(pWin,
- pDRIDrawablePriv->drawableIndex);
-
- /* reinit drawable ID if window is visible */
- if ((pWin->viewable) &&
- (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS))
- {
- (*pDRIPriv->pDriverInfo->InitBuffers)(pWin,
- &pWin->clipList, pDRIDrawablePriv->drawableIndex);
- }
- }
-
- *index = pDRIDrawablePriv->drawableIndex;
- *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp;
- *X = (int)(pWin->drawable.x);
- *Y = (int)(pWin->drawable.y);
-#if 0
- *W = (int)(pWin->winSize.extents.x2 - pWin->winSize.extents.x1);
- *H = (int)(pWin->winSize.extents.y2 - pWin->winSize.extents.y1);
-#endif
- *W = (int)(pWin->drawable.width);
- *H = (int)(pWin->drawable.height);
- *numClipRects = REGION_NUM_RECTS(&pWin->clipList);
- *pClipRects = (drm_clip_rect_t *)REGION_RECTS(&pWin->clipList);
-
- if (!*numClipRects && pDRIPriv->fullscreen) {
- /* use fake full-screen clip rect */
- pDRIPriv->fullscreen_rect.x1 = *X;
- pDRIPriv->fullscreen_rect.y1 = *Y;
- pDRIPriv->fullscreen_rect.x2 = *X + *W;
- pDRIPriv->fullscreen_rect.y2 = *Y + *H;
-
- *numClipRects = 1;
- *pClipRects = &pDRIPriv->fullscreen_rect;
- }
-
- *backX = *X;
- *backY = *Y;
-
- if (pDRIPriv->nrWindows == 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;
-
- 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->hFrameBuffer;
- *fbOrigin = 0;
- *fbSize = pDRIPriv->pDriverInfo->frameBufferSize;
- *fbStride = pDRIPriv->pDriverInfo->frameBufferStride;
- *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize;
- *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate;
-
- return TRUE;
-}
-
-DRIInfoPtr
-DRICreateInfoRec(void)
-{
- DRIInfoPtr inforec = (DRIInfoPtr)xcalloc(1, sizeof(DRIInfoRec));
- if (!inforec) return NULL;
-
- /* Initialize defaults */
- inforec->busIdString = NULL;
-
- /* Wrapped function defaults */
- inforec->wrap.WakeupHandler = DRIDoWakeupHandler;
- inforec->wrap.BlockHandler = DRIDoBlockHandler;
- inforec->wrap.WindowExposures = DRIWindowExposures;
- inforec->wrap.CopyWindow = DRICopyWindow;
- inforec->wrap.ValidateTree = DRIValidateTree;
- inforec->wrap.PostValidateTree = DRIPostValidateTree;
- inforec->wrap.ClipNotify = DRIClipNotify;
- inforec->wrap.AdjustFrame = DRIAdjustFrame;
-
- inforec->TransitionTo2d = 0;
- inforec->TransitionTo3d = 0;
- inforec->SetDrawableIndex = 0;
-
- return inforec;
-}
-
-void
-DRIDestroyInfoRec(DRIInfoPtr DRIInfo)
-{
- if (DRIInfo->busIdString) xfree(DRIInfo->busIdString);
- xfree((char*)DRIInfo);
-}
-
-
-void
-DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask)
-{
- int i;
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- ScreenPtr pScreen = screenInfo.screens[i];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv &&
- pDRIPriv->pDriverInfo->wrap.WakeupHandler)
- (*pDRIPriv->pDriverInfo->wrap.WakeupHandler)(i, wakeupData,
- result, pReadmask);
- }
-}
-
-void
-DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
-{
- int i;
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- ScreenPtr pScreen = screenInfo.screens[i];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv &&
- pDRIPriv->pDriverInfo->wrap.BlockHandler)
- (*pDRIPriv->pDriverInfo->wrap.BlockHandler)(i, blockData,
- pTimeout, pReadmask);
- }
-}
-
-void
-DRIDoWakeupHandler(int screenNum, pointer wakeupData,
- unsigned long result, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- DRILock(pScreen, 0);
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- /* hide X context by swapping 2D component here */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_3D_SYNC,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore,
- DRI_2D_CONTEXT,
- pDRIPriv->hiddenContextStore);
- }
-}
-
-void
-DRIDoBlockHandler(int screenNum, pointer blockData,
- pointer pTimeout, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- /* hide X context by swapping 2D component here */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_2D_SYNC,
- DRI_NO_CONTEXT,
- NULL,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore);
- }
- 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;
-#endif
-
- if (!newContext) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n",
- oldContext, newContext);
- return;
- }
-
-#ifdef DEBUG
- /* 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);
- RegionPtr reg = (RegionPtr)data;
-
- REGION_UNION(pScreen, reg, reg, &(pWin->clipList));
-
- if(pDRIPriv->nrWindows == 1)
- return WT_STOPWALKING;
- }
- return WT_WALKCHILDREN;
-}
-
-void
-DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(!pDRIPriv) return;
-
- if(pDRIPriv->nrWindows > 0) {
- RegionRec reg;
-
- REGION_NULL(pScreen, &reg);
- TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
-
- if(REGION_NOTEMPTY(pScreen, &reg)) {
- REGION_TRANSLATE(pScreen, &reg, ptOldOrg.x - pWin->drawable.x,
- ptOldOrg.y - pWin->drawable.y);
- REGION_INTERSECT(pScreen, &reg, &reg, prgnSrc);
-
- /* The MoveBuffers interface is not ideal */
- (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, &reg,
- pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
- }
-
- REGION_UNINIT(pScreen, &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)
-{
-#ifdef XFree86LOADER
- getsecs(secs,usecs);
-#else
- struct timeval tv;
-
- gettimeofday(&tv, NULL);
-
- *secs = tv.tv_sec;
- *usecs = tv.tv_usec;
-#endif
-}
-
-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);
- }
-}
-
-/* It appears that somebody is relying on the lock being set even
- if we aren't touching 3D windows */
-
-#define DRI_BROKEN
-
-static Bool DRIWindowsTouched = FALSE;
-
-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;
-
- DRIWindowsTouched = FALSE;
-
-#ifdef DRI_BROKEN
- if(!DRIWindowsTouched) {
- DRILockTree(pScreen);
- DRIWindowsTouched = TRUE;
- }
-#endif
-
- /* 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;
- }
-
- if (DRIWindowsTouched) {
- /* Release spin lock */
- DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1);
- DRIWindowsTouched = FALSE;
- }
-}
-
-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))) {
-
-#ifndef DRI_BROKEN
- if(!DRIWindowsTouched) {
- DRILockTree(pScreen);
- DRIWindowsTouched = TRUE;
- }
-#endif
-
- pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
- = DRIDrawableValidationStamp++;
- }
-
- /* 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) return;
-
- if (!pDRIPriv->lockRefCount)
- DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pSAREA, pDRIPriv->myContext, flags);
- pDRIPriv->lockRefCount++;
-}
-
-void
-DRIUnlock(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- if(!pDRIPriv) return;
-
- if (pDRIPriv->lockRefCount > 0) {
- pDRIPriv->lockRefCount--;
- }
- else {
- ErrorF("DRIUnlock called when not locked\n");
- return;
- }
- if (!pDRIPriv->lockRefCount)
- DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pSAREA, 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;
-}
-
-/* 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 */
- miPointerPosition(&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(pScreen, px, py, TRUE);
- return;
- }
-
- if (pDRIPriv->wrap.AdjustFrame) {
- /* unwrap */
- pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
- /* call lower layers */
- (*pScrn->AdjustFrame)(scrnIndex, x, y, flags);
- /* rewrap */
- pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
- pScrn->AdjustFrame = DRIAdjustFrame;
- }
-
- _DRIAdjustFrame(pScrn, pDRIPriv, x, y);
-}
-
-/*
- * DRIMoveBuffersHelper swaps the regions rects in place leaving you
- * a region with the rects in the order that you need to blit them,
- * but it is possibly (likely) an invalid region afterwards. If you
- * need to use the region again for anything you have to call
- * REGION_VALIDATE on it, or better yet, save a copy first.
- */
-
-void
-DRIMoveBuffersHelper(
- ScreenPtr pScreen,
- int dx,
- int dy,
- int *xdir,
- int *ydir,
- RegionPtr reg
-)
-{
- BoxPtr extents, pbox, firstBox, lastBox;
- BoxRec tmpBox;
- int y, nbox;
-
- extents = REGION_EXTENTS(pScreen, reg);
- nbox = REGION_NUM_RECTS(reg);
- pbox = REGION_RECTS(reg);
-
- if((dy > 0) && (dy < (extents->y2 - extents->y1))) {
- *ydir = -1;
- if(nbox > 1) {
- firstBox = pbox;
- lastBox = pbox + nbox - 1;
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
- }
- } else *ydir = 1;
-
- if((dx > 0) && (dx < (extents->x2 - extents->x1))) {
- *xdir = -1;
- if(nbox > 1) {
- firstBox = lastBox = pbox;
- y = pbox->y1;
- while(--nbox) {
- pbox++;
- if(pbox->y1 == y) lastBox++;
- else {
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
-
- firstBox = lastBox = pbox;
- y = pbox->y1;
- }
- }
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
- }
- } else *xdir = 1;
-
-}
-
-char *
-DRICreatePCIBusID(pciVideoPtr PciInfo)
-{
- char *busID;
- int domain;
- PCITAG tag;
-
- busID = xalloc(20);
- if (busID == NULL)
- return NULL;
-
- tag = pciTag(PciInfo->bus, PciInfo->device, PciInfo->func);
- domain = xf86GetPciDomain(tag);
- snprintf(busID, 20, "pci:%04x:%02x:%02x.%d", domain, PciInfo->bus,
- PciInfo->device, PciInfo->func);
- return busID;
-}