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-rw-r--r--hw/xfree86/dri/dri.c2117
-rw-r--r--hw/xfree86/dri/dri.h330
-rw-r--r--hw/xfree86/dri/drimodule.c121
-rw-r--r--hw/xfree86/dri/dristruct.h104
-rw-r--r--hw/xfree86/dri/sarea.h80
-rw-r--r--hw/xfree86/dri/xf86dri.c710
6 files changed, 3462 insertions, 0 deletions
diff --git a/hw/xfree86/dri/dri.c b/hw/xfree86/dri/dri.c
new file mode 100644
index 000000000..b08379099
--- /dev/null
+++ b/hw/xfree86/dri/dri.c
@@ -0,0 +1,2117 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/dri.c,v 1.38 2002/11/20 18:10:24 dawes 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 XFree86LOADER
+#include "xf86.h"
+#include "xf86_ansic.h"
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "X.h"
+#include "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 "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 int lockRefCount=0;
+
+ /* Support cleanup for fullscreen mode,
+ independent of the DRICreateDrawable
+ resource management. */
+static Bool _DRICloseFullScreen(pointer pResource, XID id);
+static RESTYPE DRIFullScreenResType;
+
+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;
+ drmContextPtr reserved;
+ int reserved_count;
+ int i, fd, drmWasAvailable;
+ Bool xineramaInCore = FALSE;
+ int err = 0;
+
+ if (DRIGeneration != serverGeneration) {
+ if ((DRIScreenPrivIndex = AllocateScreenPrivateIndex()) < 0)
+ return FALSE;
+ DRIGeneration = serverGeneration;
+ }
+
+ /*
+ * 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();
+
+ /* Note that drmOpen will try to load the kernel module, if needed. */
+ fd = drmOpen(pDRIInfo->drmDriverName, NULL );
+ 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 ((err = drmSetBusid(pDRIPriv->drmFD, pDRIPriv->pDriverInfo->busIdString)) < 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 0x%08lx\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 0x%08lx to %p\n",
+ pDRIPriv->hSAREA, pDRIPriv->pSAREA);
+
+ if (drmAddMap( pDRIPriv->drmFD,
+ (drmHandle)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 = 0x%08lx\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 = 0x%08lx\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;
+ drmContextPtr 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);
+ lockRefCount=0;
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] unmapping %d bytes of SAREA 0x%08lx 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 0x%08lx 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);
+ DRIFullScreenResType = CreateNewResourceType(_DRICloseFullScreen);
+
+ 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, drmHandlePtr hSAREA, char **busIdString)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *hSAREA = pDRIPriv->hSAREA;
+ *busIdString = pDRIPriv->pDriverInfo->busIdString;
+
+ return TRUE;
+}
+
+Bool
+DRIAuthConnection(ScreenPtr pScreen, drmMagic 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 drmContext and then calls
+ DRICreateContextPrivFromHandle to create a DRIContextPriv structure for
+ DRI tracking. For the SIGIO handler, the drmContext 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 drmContext in pHWContext. */
+
+DRIContextPrivPtr
+DRICreateContextPriv(ScreenPtr pScreen,
+ drmContextPtr 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,
+ drmContext 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 = &__glXActiveScreens[pScreen->myNum];
+ __GLXvisualConfig *pGLXVis = pGLXScreen->pGlxVisual;
+ 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 (pGLXVis->vid == 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, drmContextPtr pHWContext)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ __GLXscreenInfo *pGLXScreen = &__glXActiveScreens[pScreen->myNum];
+ __GLXvisualConfig *pGLXVis = pGLXScreen->pGlxVisual;
+ void **pVisualConfigPriv = pGLXScreen->pVisualPriv;
+ DRIContextPrivPtr pDRIContextPriv;
+ void *contextStore;
+ int visNum;
+
+ 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 (visNum = 0;
+ visNum < pGLXScreen->numVisuals;
+ visNum++, pGLXVis++, pVisualConfigPriv++)
+ if (pGLXVis->vid == visual->vid)
+ break;
+ if (visNum == pGLXScreen->numVisuals) {
+ /* 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, drmDrawablePtr 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 drmDrawable 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,
+ XF86DRIClipRectPtr* pClipRects,
+ int* backX,
+ int* backY,
+ int* numBackClipRects,
+ XF86DRIClipRectPtr* 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 = (XF86DRIClipRectPtr)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-1) x1 = pScreen->width-1;
+ if (y1 > pScreen->height-1) y1 = pScreen->height-1;
+
+ 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,
+ drmHandlePtr 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_INIT(pScreen, &reg, NullBox, 0);
+ 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 (!lockRefCount)
+ DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pSAREA, pDRIPriv->myContext, flags);
+ lockRefCount++;
+}
+
+void
+DRIUnlock(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ if(!pDRIPriv) return;
+
+ if (lockRefCount > 0) {
+ lockRefCount--;
+ }
+ else {
+ ErrorF("DRIUnlock called when not locked\n");
+ return;
+ }
+ if (!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));
+}
+
+drmContext
+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);
+}
+
+void
+DRIQueryVersion(int *majorVersion,
+ int *minorVersion,
+ int *patchVersion)
+{
+ *majorVersion = XF86DRI_MAJOR_VERSION;
+ *minorVersion = XF86DRI_MINOR_VERSION;
+ *patchVersion = XF86DRI_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);
+}
+
+/* WARNING WARNING WARNING: Just like every other function call in this
+ file, the DRIOpenFullScreen and DRICloseFullScreen calls are for
+ internal use only! They should be used only by GLX internals and
+ should NEVER be called from a GL application.
+
+ Some time in the future, there will be a (proposed) standard GLX
+ extension that performs expanded functionality, that is designed for
+ used by application-level programs, and that should be portable
+ across multiple GLX implementations. */
+Bool
+DRIOpenFullScreen(ScreenPtr pScreen, DrawablePtr pDrawable)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ WindowPtr pWin = (WindowPtr)pDrawable;
+ XF86DRIClipRectPtr pClipRects = (void *)REGION_RECTS(&pWin->clipList);
+
+ _DRIAdjustFrame(pScrn, pDRIPriv, pScrn->frameX0, pScrn->frameY0);
+
+ if (pDrawable->type != DRAWABLE_WINDOW) return FALSE;
+
+ if (!pScrn->vtSema) return FALSE; /* switched away */
+
+ if (pDrawable->x != pScrn->frameX0
+ || pDrawable->y != pScrn->frameY0
+ || pDrawable->width != pScrn->frameX1 - pScrn->frameX0 + 1
+ || pDrawable->height != pScrn->frameY1 - pScrn->frameY0 + 1) {
+ return FALSE;
+ }
+
+ if (REGION_NUM_RECTS(&pWin->clipList) != 1) return FALSE;
+ if (pDrawable->x != pClipRects[0].x1
+ || pDrawable->y != pClipRects[0].y1
+ || pDrawable->width != pClipRects[0].x2 - pClipRects[0].x1
+ || pDrawable->height != pClipRects[0].y2 - pClipRects[0].y1) {
+ return FALSE;
+ }
+
+ AddResource(pDrawable->id, DRIFullScreenResType, (pointer)pWin);
+
+ xf86EnableVTSwitch(FALSE);
+ pScrn->EnableDisableFBAccess(pScreen->myNum, FALSE);
+ pScrn->vtSema = FALSE;
+ pDRIPriv->fullscreen = pDrawable;
+ DRIClipNotify(pWin, 0, 0);
+
+ if (pDRIPriv->pDriverInfo->OpenFullScreen)
+ pDRIPriv->pDriverInfo->OpenFullScreen(pScreen);
+
+ pDRIPriv->pSAREA->frame.fullscreen = 1;
+ return TRUE;
+}
+
+static Bool
+_DRICloseFullScreen(pointer pResource, XID id)
+{
+ DrawablePtr pDrawable = (DrawablePtr)pResource;
+ ScreenPtr pScreen = pDrawable->pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ WindowPtr pWin = (WindowPtr)pDrawable;
+ WindowOptPtr optional = pWin->optional;
+ Mask mask = pWin->eventMask;
+
+ if (pDRIPriv->pDriverInfo->CloseFullScreen)
+ pDRIPriv->pDriverInfo->CloseFullScreen(pScreen);
+
+ pDRIPriv->fullscreen = NULL;
+ pScrn->vtSema = TRUE;
+
+ /* Turn off expose events for the top window */
+ pWin->eventMask &= ~ExposureMask;
+ pWin->optional = NULL;
+ pScrn->EnableDisableFBAccess(pScreen->myNum, TRUE);
+ pWin->eventMask = mask;
+ pWin->optional = optional;
+
+ xf86EnableVTSwitch(TRUE);
+ pDRIPriv->pSAREA->frame.fullscreen = 0;
+ return TRUE;
+}
+
+Bool
+DRICloseFullScreen(ScreenPtr pScreen, DrawablePtr pDrawable)
+{
+ FreeResourceByType(pDrawable->id, DRIFullScreenResType, FALSE);
+ return TRUE;
+}
+
+
+/*
+ * 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;
+
+}
diff --git a/hw/xfree86/dri/dri.h b/hw/xfree86/dri/dri.h
new file mode 100644
index 000000000..80602d3dd
--- /dev/null
+++ b/hw/xfree86/dri/dri.h
@@ -0,0 +1,330 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/dri.h,v 1.19 2002/10/30 12:52:03 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+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>
+ *
+ */
+
+/* Prototypes for DRI functions */
+
+#ifndef _DRI_H_
+
+#include "scrnintstr.h"
+#include "xf86dri.h"
+
+typedef int DRISyncType;
+
+#define DRI_NO_SYNC 0
+#define DRI_2D_SYNC 1
+#define DRI_3D_SYNC 2
+
+typedef int DRIContextType;
+
+typedef struct _DRIContextPrivRec DRIContextPrivRec, *DRIContextPrivPtr;
+
+typedef enum _DRIContextFlags
+{
+ DRI_CONTEXT_2DONLY = 0x01,
+ DRI_CONTEXT_PRESERVED = 0x02,
+ DRI_CONTEXT_RESERVED = 0x04 /* DRI Only -- no kernel equivalent */
+} DRIContextFlags;
+
+#define DRI_NO_CONTEXT 0
+#define DRI_2D_CONTEXT 1
+#define DRI_3D_CONTEXT 2
+
+typedef int DRISwapMethod;
+
+#define DRI_HIDE_X_CONTEXT 0
+#define DRI_SERVER_SWAP 1
+#define DRI_KERNEL_SWAP 2
+
+typedef int DRIWindowRequests;
+
+#define DRI_NO_WINDOWS 0
+#define DRI_3D_WINDOWS_ONLY 1
+#define DRI_ALL_WINDOWS 2
+
+
+typedef void (*ClipNotifyPtr)( WindowPtr, int, int );
+typedef void (*AdjustFramePtr)(int scrnIndex, int x, int y, int flags);
+
+
+/*
+ * These functions can be wrapped by the DRI. Each of these have
+ * generic default funcs (initialized in DRICreateInfoRec) and can be
+ * overridden by the driver in its [driver]DRIScreenInit function.
+ */
+typedef struct {
+ ScreenWakeupHandlerProcPtr WakeupHandler;
+ ScreenBlockHandlerProcPtr BlockHandler;
+ WindowExposuresProcPtr WindowExposures;
+ CopyWindowProcPtr CopyWindow;
+ ValidateTreeProcPtr ValidateTree;
+ PostValidateTreeProcPtr PostValidateTree;
+ ClipNotifyProcPtr ClipNotify;
+ AdjustFramePtr AdjustFrame;
+} DRIWrappedFuncsRec, *DRIWrappedFuncsPtr;
+
+
+
+
+typedef struct {
+ /* driver call back functions
+ *
+ * New fields should be added at the end for backwards compatability.
+ * Don't forget to bump the version minor number in
+ * xc/lib/GL/dri/xf86dristr.h
+ */
+ Bool (*CreateContext)(ScreenPtr pScreen,
+ VisualPtr visual,
+ drmContext hHWContext,
+ void* pVisualConfigPriv,
+ DRIContextType context);
+ void (*DestroyContext)(ScreenPtr pScreen,
+ drmContext hHWContext,
+ DRIContextType context);
+ void (*SwapContext)(ScreenPtr pScreen,
+ DRISyncType syncType,
+ DRIContextType readContextType,
+ void* readContextStore,
+ DRIContextType writeContextType,
+ void* writeContextStore);
+ void (*InitBuffers)(WindowPtr pWin,
+ RegionPtr prgn,
+ CARD32 indx);
+ void (*MoveBuffers)(WindowPtr pWin,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc,
+ CARD32 indx);
+ void (*TransitionTo3d)(ScreenPtr pScreen);
+ void (*TransitionTo2d)(ScreenPtr pScreen);
+
+ void (*SetDrawableIndex)(WindowPtr pWin, CARD32 indx);
+ Bool (*OpenFullScreen)(ScreenPtr pScreen);
+ Bool (*CloseFullScreen)(ScreenPtr pScreen);
+
+ /* wrapped functions */
+ DRIWrappedFuncsRec wrap;
+
+ /* device info */
+ char* drmDriverName;
+ char* clientDriverName;
+ char* busIdString;
+ int ddxDriverMajorVersion;
+ int ddxDriverMinorVersion;
+ int ddxDriverPatchVersion;
+ CARD32 frameBufferPhysicalAddress;
+ long frameBufferSize;
+ long frameBufferStride;
+ long SAREASize;
+ int maxDrawableTableEntry;
+ int ddxDrawableTableEntry;
+ long contextSize;
+ DRISwapMethod driverSwapMethod;
+ DRIWindowRequests bufferRequests;
+ int devPrivateSize;
+ void* devPrivate;
+ Bool createDummyCtx;
+ Bool createDummyCtxPriv;
+
+ /* New with DRI version 4.1.0 */
+ void (*TransitionSingleToMulti3D)(ScreenPtr pScreen);
+ void (*TransitionMultiToSingle3D)(ScreenPtr pScreen);
+} DRIInfoRec, *DRIInfoPtr;
+
+
+extern Bool DRIScreenInit(ScreenPtr pScreen,
+ DRIInfoPtr pDRIInfo,
+ int *pDRMFD);
+
+extern void DRICloseScreen(ScreenPtr pScreen);
+
+extern Bool DRIExtensionInit(void);
+
+extern void DRIReset(void);
+
+extern Bool DRIQueryDirectRenderingCapable(ScreenPtr pScreen,
+ Bool *isCapable);
+
+extern Bool DRIOpenConnection(ScreenPtr pScreen,
+ drmHandlePtr hSAREA,
+ char **busIdString);
+
+extern Bool DRIAuthConnection(ScreenPtr pScreen, drmMagic magic);
+
+extern Bool DRICloseConnection(ScreenPtr pScreen);
+
+extern Bool DRIGetClientDriverName(ScreenPtr pScreen,
+ int* ddxDriverMajorVersion,
+ int* ddxDriverMinorVersion,
+ int* ddxDriverPatchVersion,
+ char** clientDriverName);
+
+extern Bool DRICreateContext(ScreenPtr pScreen,
+ VisualPtr visual,
+ XID context,
+ drmContextPtr pHWContext);
+
+extern Bool DRIDestroyContext(ScreenPtr pScreen, XID context);
+
+extern Bool DRIContextPrivDelete(pointer pResource, XID id);
+
+extern Bool DRICreateDrawable(ScreenPtr pScreen,
+ Drawable id,
+ DrawablePtr pDrawable,
+ drmDrawablePtr hHWDrawable);
+
+extern Bool DRIDestroyDrawable(ScreenPtr pScreen,
+ Drawable id,
+ DrawablePtr pDrawable);
+
+extern Bool DRIDrawablePrivDelete(pointer pResource,
+ XID id);
+
+extern Bool DRIGetDrawableInfo(ScreenPtr pScreen,
+ DrawablePtr pDrawable,
+ unsigned int* indx,
+ unsigned int* stamp,
+ int* X,
+ int* Y,
+ int* W,
+ int* H,
+ int* numClipRects,
+ XF86DRIClipRectPtr* pClipRects,
+ int* backX,
+ int* backY,
+ int* numBackClipRects,
+ XF86DRIClipRectPtr* pBackClipRects);
+
+extern Bool DRIGetDeviceInfo(ScreenPtr pScreen,
+ drmHandlePtr hFrameBuffer,
+ int* fbOrigin,
+ int* fbSize,
+ int* fbStride,
+ int* devPrivateSize,
+ void** pDevPrivate);
+
+extern DRIInfoPtr DRICreateInfoRec(void);
+
+extern void DRIDestroyInfoRec(DRIInfoPtr DRIInfo);
+
+extern Bool DRIFinishScreenInit(ScreenPtr pScreen);
+
+extern void DRIWakeupHandler(pointer wakeupData,
+ int result,
+ pointer pReadmask);
+
+extern void DRIBlockHandler(pointer blockData,
+ OSTimePtr pTimeout,
+ pointer pReadmask);
+
+extern void DRIDoWakeupHandler(int screenNum,
+ pointer wakeupData,
+ unsigned long result,
+ pointer pReadmask);
+
+extern void DRIDoBlockHandler(int screenNum,
+ pointer blockData,
+ pointer pTimeout,
+ pointer pReadmask);
+
+extern void DRISwapContext(int drmFD,
+ void *oldctx,
+ void *newctx);
+
+extern void *DRIGetContextStore(DRIContextPrivPtr context);
+
+extern void DRIWindowExposures(WindowPtr pWin,
+ RegionPtr prgn,
+ RegionPtr bsreg);
+
+extern void DRICopyWindow(WindowPtr pWin,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc);
+
+extern int DRIValidateTree(WindowPtr pParent,
+ WindowPtr pChild,
+ VTKind kind);
+
+extern void DRIPostValidateTree(WindowPtr pParent,
+ WindowPtr pChild,
+ VTKind kind);
+
+extern void DRIClipNotify(WindowPtr pWin,
+ int dx,
+ int dy);
+
+extern CARD32 DRIGetDrawableIndex(WindowPtr pWin);
+
+extern void DRIPrintDrawableLock(ScreenPtr pScreen, char *msg);
+
+extern void DRILock(ScreenPtr pScreen, int flags);
+
+extern void DRIUnlock(ScreenPtr pScreen);
+
+extern DRIWrappedFuncsRec *DRIGetWrappedFuncs(ScreenPtr pScreen);
+
+extern void *DRIGetSAREAPrivate(ScreenPtr pScreen);
+
+extern unsigned int DRIGetDrawableStamp(ScreenPtr pScreen,
+ CARD32 drawable_index);
+
+extern DRIContextPrivPtr DRICreateContextPriv(ScreenPtr pScreen,
+ drmContextPtr pHWContext,
+ DRIContextFlags flags);
+
+extern DRIContextPrivPtr DRICreateContextPrivFromHandle(ScreenPtr pScreen,
+ drmContext hHWContext,
+ DRIContextFlags flags);
+
+extern Bool DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv);
+
+extern drmContext DRIGetContext(ScreenPtr pScreen);
+
+extern void DRIQueryVersion(int *majorVersion,
+ int *minorVersion,
+ int *patchVersion);
+
+extern void DRIAdjustFrame(int scrnIndex, int x, int y, int flags);
+
+extern int DRIOpenFullScreen(ScreenPtr pScreen, DrawablePtr pDrawable);
+extern int DRICloseFullScreen(ScreenPtr pScreen, DrawablePtr pDrawable);
+
+extern void DRIMoveBuffersHelper(ScreenPtr pScreen,
+ int dx,
+ int dy,
+ int *xdir,
+ int *ydir,
+ RegionPtr reg);
+
+#define _DRI_H_
+
+#endif
diff --git a/hw/xfree86/dri/drimodule.c b/hw/xfree86/dri/drimodule.c
new file mode 100644
index 000000000..bb7a89ee0
--- /dev/null
+++ b/hw/xfree86/dri/drimodule.c
@@ -0,0 +1,121 @@
+/**************************************************************************
+
+Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+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.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/GL/dri/drimodule.c,v 1.6 2001/12/10 19:07:19 dawes Exp $ */
+
+/*
+ * Authors:
+ * Kevin E. Martin <kevin@precisioninsight.com>
+ * Rickard E. Faith <faith@precisioninsight.com>
+ *
+ */
+
+#include "xf86Module.h"
+
+static MODULESETUPPROTO(driSetup);
+
+static XF86ModuleVersionInfo VersRec =
+{
+ "dri",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XF86_VERSION_CURRENT,
+ 1, 0, 0,
+ ABI_CLASS_EXTENSION,
+ ABI_EXTENSION_VERSION,
+ MOD_CLASS_NONE,
+ {0,0,0,0}
+};
+
+extern void XFree86DRIExtensionInit(INITARGS);
+#define _XF86DRI_SERVER_
+#include "xf86dristr.h"
+
+ExtensionModule XF86DRIExt =
+{
+ XFree86DRIExtensionInit,
+ XF86DRINAME,
+ NULL,
+ NULL,
+ NULL
+};
+
+static const char *drmSymbols[] = {
+ "drmAddContextTag",
+ "drmAddMap",
+ "drmAuthMagic",
+ "drmAvailable",
+ "drmClose",
+ "drmCreateContext",
+ "drmCreateDrawable",
+ "drmDelContextTag",
+ "drmDestroyContext",
+ "drmDestroyDrawable",
+ "drmFreeReservedContextList",
+ "drmGetContextTag",
+ "drmGetLock",
+ "drmGetReservedContextList",
+ "drmInstallSIGIOHandler",
+ "drmMap",
+ "drmOpen",
+ "drmRemoveSIGIOHandler",
+ "drmSetBusid",
+ "drmSetContextFlags",
+ "drmUnlock",
+ "drmUnmap",
+ NULL
+};
+
+XF86ModuleData driModuleData = { &VersRec, driSetup, NULL };
+
+static pointer
+driSetup(pointer module, pointer opts, int *errmaj, int *errmin)
+{
+ static Bool setupDone = FALSE;
+ pointer drm = NULL;
+
+ if (!setupDone) {
+ setupDone = TRUE;
+
+ drm =
+ LoadSubModule(module, "drm", NULL, NULL, NULL, NULL, errmaj, errmin);
+
+ if (!drm) {
+ if (errmaj) *errmaj = LDR_NOSUBENT;
+ }
+ else {
+ LoaderReqSymLists(drmSymbols, NULL);
+ LoaderRefSymbols("noPanoramiXExtension", NULL);
+ LoadExtension(&XF86DRIExt, FALSE);
+ }
+ } else {
+ if (errmaj) *errmaj = LDR_ONCEONLY;
+ }
+ /* Need a non-NULL return value to indicate success */
+ return drm;
+}
+
diff --git a/hw/xfree86/dri/dristruct.h b/hw/xfree86/dri/dristruct.h
new file mode 100644
index 000000000..e733ac210
--- /dev/null
+++ b/hw/xfree86/dri/dristruct.h
@@ -0,0 +1,104 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/dristruct.h,v 1.13 2002/11/20 18:10:24 dawes Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+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>
+ *
+ */
+
+#ifndef DRI_STRUCT_H
+#define DRI_STRUCT_H
+
+#include "xf86drm.h"
+
+
+#define DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin) \
+ ((DRIWindowPrivIndex < 0) ? \
+ NULL : \
+ ((DRIDrawablePrivPtr)((pWin)->devPrivates[DRIWindowPrivIndex].ptr)))
+
+#define DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix) \
+ ((DRIPixmapPrivIndex < 0) ? \
+ NULL : \
+ ((DRIDrawablePrivPtr)((pPix)->devPrivates[DRIWindowPrivIndex].ptr)))
+
+typedef struct _DRIDrawablePrivRec
+{
+ drmDrawable hwDrawable;
+ int drawableIndex;
+ ScreenPtr pScreen;
+ int refCount;
+} DRIDrawablePrivRec, *DRIDrawablePrivPtr;
+
+struct _DRIContextPrivRec
+{
+ drmContext hwContext;
+ ScreenPtr pScreen;
+ Bool valid3D;
+ DRIContextFlags flags;
+ void** pContextStore;
+};
+
+#define DRI_SCREEN_PRIV(pScreen) \
+ ((DRIScreenPrivIndex < 0) ? \
+ NULL : \
+ ((DRIScreenPrivPtr)((pScreen)->devPrivates[DRIScreenPrivIndex].ptr)))
+
+#define DRI_SCREEN_PRIV_FROM_INDEX(screenIndex) ((DRIScreenPrivPtr) \
+ (screenInfo.screens[screenIndex]->devPrivates[DRIScreenPrivIndex].ptr))
+
+
+typedef struct _DRIScreenPrivRec
+{
+ Bool directRenderingSupport;
+ int drmFD; /* File descriptor for /dev/video/? */
+ drmHandle hSAREA; /* Handle to SAREA, for mapping */
+ XF86DRISAREAPtr pSAREA; /* Mapped pointer to SAREA */
+ drmHandle hFrameBuffer; /* Handle to framebuffer, for mapping */
+ drmContext myContext; /* DDX Driver's context */
+ DRIContextPrivPtr myContextPriv;/* Pointer to server's private area */
+ DRIContextPrivPtr lastPartial3DContext; /* last one partially saved */
+ void** hiddenContextStore; /* hidden X context */
+ void** partial3DContextStore; /* parital 3D context */
+ DRIInfoPtr pDriverInfo;
+ int nrWindows;
+ XF86DRIClipRectRec private_buffer_rect; /* management of private buffers */
+ DrawablePtr fullscreen; /* pointer to fullscreen drawable */
+ XF86DRIClipRectRec fullscreen_rect; /* fake rect for fullscreen mode */
+ DRIWrappedFuncsRec wrap;
+ DrawablePtr DRIDrawables[SAREA_MAX_DRAWABLES];
+ DRIContextPrivPtr dummyCtxPriv; /* Pointer to dummy context */
+ Bool createDummyCtx;
+ Bool createDummyCtxPriv;
+ Bool grabbedDRILock;
+ Bool drmSIGIOHandlerInstalled;
+ Bool wrapped;
+} DRIScreenPrivRec, *DRIScreenPrivPtr;
+
+#endif /* DRI_STRUCT_H */
diff --git a/hw/xfree86/dri/sarea.h b/hw/xfree86/dri/sarea.h
new file mode 100644
index 000000000..99c04b9e9
--- /dev/null
+++ b/hw/xfree86/dri/sarea.h
@@ -0,0 +1,80 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh 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:
+ * Kevin E. Martin <kevin@precisioninsight.com>
+ * Jens Owen <jens@tungstengraphics.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifndef _SAREA_H_
+#define _SAREA_H_
+
+#include "xf86drm.h"
+
+/* SAREA area needs to be at least a page */
+#if defined(__alpha__)
+#define SAREA_MAX 0x2000
+#elif defined(__ia64__)
+#define SAREA_MAX 0x10000 /* 64kB */
+#else
+/* Intel 830M driver needs at least 8k SAREA */
+#define SAREA_MAX 0x2000
+#endif
+
+#define SAREA_MAX_DRAWABLES 256
+
+#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
+
+typedef struct _XF86DRISAREADrawable {
+ unsigned int stamp;
+ unsigned int flags;
+} XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr;
+
+typedef struct _XF86DRISAREAFrame {
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int fullscreen;
+} XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr;
+
+typedef struct _XF86DRISAREA {
+ /* first thing is always the drm locking structure */
+ drmLock lock;
+ /* NOT_DONE: Use readers/writer lock for drawable_lock */
+ drmLock drawable_lock;
+ XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES];
+ XF86DRISAREAFrameRec frame;
+ drmContext dummy_context;
+} XF86DRISAREARec, *XF86DRISAREAPtr;
+
+#endif
diff --git a/hw/xfree86/dri/xf86dri.c b/hw/xfree86/dri/xf86dri.c
new file mode 100644
index 000000000..7920b217d
--- /dev/null
+++ b/hw/xfree86/dri/xf86dri.c
@@ -0,0 +1,710 @@
+/* $XFree86: xc/programs/Xserver/GL/dri/xf86dri.c,v 1.12 2002/12/14 01:36:08 dawes 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:
+ * Kevin E. Martin <martin@valinux.com>
+ * Jens Owen <jens@tungstengraphics.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifdef XFree86LOADER
+#include "xf86.h"
+#include "xf86_ansic.h"
+#endif
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "X.h"
+#include "Xproto.h"
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#define _XF86DRI_SERVER_
+#include "xf86dristr.h"
+#include "swaprep.h"
+#include "dri.h"
+#include "sarea.h"
+#include "dristruct.h"
+#include "xf86.h"
+#include "xf86drm.h"
+
+static int DRIErrorBase;
+
+static DISPATCH_PROC(ProcXF86DRIQueryVersion);
+static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);
+static DISPATCH_PROC(ProcXF86DRIOpenConnection);
+static DISPATCH_PROC(ProcXF86DRICloseConnection);
+static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);
+static DISPATCH_PROC(ProcXF86DRICreateContext);
+static DISPATCH_PROC(ProcXF86DRIDestroyContext);
+static DISPATCH_PROC(ProcXF86DRICreateDrawable);
+static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);
+static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);
+static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);
+static DISPATCH_PROC(ProcXF86DRIDispatch);
+static DISPATCH_PROC(ProcXF86DRIAuthConnection);
+static DISPATCH_PROC(ProcXF86DRIOpenFullScreen);
+static DISPATCH_PROC(ProcXF86DRICloseFullScreen);
+
+static DISPATCH_PROC(SProcXF86DRIQueryVersion);
+static DISPATCH_PROC(SProcXF86DRIDispatch);
+
+static void XF86DRIResetProc(ExtensionEntry* extEntry);
+
+static unsigned char DRIReqCode = 0;
+
+extern void XFree86DRIExtensionInit(void);
+
+void
+XFree86DRIExtensionInit(void)
+{
+ ExtensionEntry* extEntry;
+
+#ifdef XF86DRI_EVENTS
+ EventType = CreateNewResourceType(XF86DRIFreeEvents);
+#endif
+
+ if (
+ DRIExtensionInit() &&
+#ifdef XF86DRI_EVENTS
+ EventType && ScreenPrivateIndex != -1 &&
+#endif
+ (extEntry = AddExtension(XF86DRINAME,
+ XF86DRINumberEvents,
+ XF86DRINumberErrors,
+ ProcXF86DRIDispatch,
+ SProcXF86DRIDispatch,
+ XF86DRIResetProc,
+ StandardMinorOpcode))) {
+ DRIReqCode = (unsigned char)extEntry->base;
+ DRIErrorBase = extEntry->errorBase;
+ }
+}
+
+/*ARGSUSED*/
+static void
+XF86DRIResetProc (
+ ExtensionEntry* extEntry
+)
+{
+ DRIReset();
+}
+
+static int
+ProcXF86DRIQueryVersion(
+ register ClientPtr client
+)
+{
+ xXF86DRIQueryVersionReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = XF86DRI_MAJOR_VERSION;
+ rep.minorVersion = XF86DRI_MINOR_VERSION;
+ rep.patchVersion = XF86DRI_PATCH_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ }
+ WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIQueryDirectRenderingCapable(
+ register ClientPtr client
+)
+{
+ xXF86DRIQueryDirectRenderingCapableReply rep;
+ Bool isCapable;
+
+ REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
+ REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen],
+ &isCapable)) {
+ return BadValue;
+ }
+ rep.isCapable = isCapable;
+
+ if (!LocalClient(client))
+ rep.isCapable = 0;
+
+ WriteToClient(client,
+ sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIOpenConnection(
+ register ClientPtr client
+)
+{
+ xXF86DRIOpenConnectionReply rep;
+ drmHandle hSAREA;
+ char* busIdString;
+
+ REQUEST(xXF86DRIOpenConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ if (!DRIOpenConnection( screenInfo.screens[stuff->screen],
+ &hSAREA,
+ &busIdString)) {
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.busIdStringLength = 0;
+ if (busIdString)
+ rep.busIdStringLength = strlen(busIdString);
+ rep.length = (SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +
+ ((rep.busIdStringLength + 3) & ~3)) >> 2;
+
+ rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff);
+#ifdef LONG64
+ rep.hSAREAHigh = (CARD32)(hSAREA >> 32);
+#else
+ rep.hSAREAHigh = 0;
+#endif
+
+ WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);
+ if (rep.busIdStringLength)
+ WriteToClient(client, rep.busIdStringLength, busIdString);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIAuthConnection(
+ register ClientPtr client
+)
+{
+ xXF86DRIAuthConnectionReply rep;
+
+ REQUEST(xXF86DRIAuthConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.authenticated = 1;
+
+ if (!DRIAuthConnection( screenInfo.screens[stuff->screen], stuff->magic)) {
+ ErrorF("Failed to authenticate %u\n", stuff->magic);
+ rep.authenticated = 0;
+ }
+ WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRICloseConnection(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRICloseConnectionReq);
+ REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ DRICloseConnection( screenInfo.screens[stuff->screen]);
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIGetClientDriverName(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetClientDriverNameReply rep;
+ char* clientDriverName;
+
+ REQUEST(xXF86DRIGetClientDriverNameReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ DRIGetClientDriverName( screenInfo.screens[stuff->screen],
+ (int *)&rep.ddxDriverMajorVersion,
+ (int *)&rep.ddxDriverMinorVersion,
+ (int *)&rep.ddxDriverPatchVersion,
+ &clientDriverName);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.clientDriverNameLength = 0;
+ if (clientDriverName)
+ rep.clientDriverNameLength = strlen(clientDriverName);
+ rep.length = (SIZEOF(xXF86DRIGetClientDriverNameReply) -
+ SIZEOF(xGenericReply) +
+ ((rep.clientDriverNameLength + 3) & ~3)) >> 2;
+
+ WriteToClient(client,
+ sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);
+ if (rep.clientDriverNameLength)
+ WriteToClient(client,
+ rep.clientDriverNameLength,
+ clientDriverName);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRICreateContext(
+ register ClientPtr client
+)
+{
+ xXF86DRICreateContextReply rep;
+ ScreenPtr pScreen;
+ VisualPtr visual;
+ int i;
+
+ REQUEST(xXF86DRICreateContextReq);
+ REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ pScreen = screenInfo.screens[stuff->screen];
+ visual = pScreen->visuals;
+
+ /* Find the requested X visual */
+ for (i = 0; i < pScreen->numVisuals; i++, visual++)
+ if (visual->vid == stuff->visual)
+ break;
+ if (i == pScreen->numVisuals) {
+ /* No visual found */
+ return BadValue;
+ }
+
+ if (!DRICreateContext( pScreen,
+ visual,
+ stuff->context,
+ (drmContextPtr)&rep.hHWContext)) {
+ return BadValue;
+ }
+
+ WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIDestroyContext(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRIDestroyContextReq);
+ REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ if (!DRIDestroyContext( screenInfo.screens[stuff->screen],
+ stuff->context)) {
+ return BadValue;
+ }
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRICreateDrawable(
+ ClientPtr client
+)
+{
+ xXF86DRICreateDrawableReply rep;
+ DrawablePtr pDrawable;
+
+ REQUEST(xXF86DRICreateDrawableReq);
+ REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
+ (Drawable)stuff->drawable,
+ client,
+ SecurityReadAccess))) {
+ return BadValue;
+ }
+
+ if (!DRICreateDrawable( screenInfo.screens[stuff->screen],
+ (Drawable)stuff->drawable,
+ pDrawable,
+ (drmDrawablePtr)&rep.hHWDrawable)) {
+ return BadValue;
+ }
+
+ WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIDestroyDrawable(
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRIDestroyDrawableReq);
+ DrawablePtr pDrawable;
+ REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
+ (Drawable)stuff->drawable,
+ client,
+ SecurityReadAccess))) {
+ return BadValue;
+ }
+
+ if (!DRIDestroyDrawable( screenInfo.screens[stuff->screen],
+ (Drawable)stuff->drawable,
+ pDrawable)) {
+ return BadValue;
+ }
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIGetDrawableInfo(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetDrawableInfoReply rep;
+ DrawablePtr pDrawable;
+ int X, Y, W, H;
+ XF86DRIClipRectPtr pClipRects;
+ XF86DRIClipRectPtr pBackClipRects;
+ int backX, backY;
+
+ REQUEST(xXF86DRIGetDrawableInfoReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
+ (Drawable)stuff->drawable,
+ client,
+ SecurityReadAccess))) {
+ return BadValue;
+ }
+
+ if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
+ pDrawable,
+ (unsigned int*)&rep.drawableTableIndex,
+ (unsigned int*)&rep.drawableTableStamp,
+ (int*)&X,
+ (int*)&Y,
+ (int*)&W,
+ (int*)&H,
+ (int*)&rep.numClipRects,
+ &pClipRects,
+ &backX,
+ &backY,
+ (int*)&rep.numBackClipRects,
+ &pBackClipRects)) {
+ return BadValue;
+ }
+
+ rep.drawableX = X;
+ rep.drawableY = Y;
+ rep.drawableWidth = W;
+ rep.drawableHeight = H;
+ rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
+ SIZEOF(xGenericReply));
+
+ rep.backX = backX;
+ rep.backY = backY;
+
+ if (rep.numBackClipRects)
+ rep.length += sizeof(XF86DRIClipRectRec) * rep.numBackClipRects;
+
+ if (rep.numClipRects)
+ rep.length += sizeof(XF86DRIClipRectRec) * rep.numClipRects;
+
+ rep.length = ((rep.length + 3) & ~3) >> 2;
+
+ WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
+
+ if (rep.numClipRects) {
+ WriteToClient(client,
+ sizeof(XF86DRIClipRectRec) * rep.numClipRects,
+ (char *)pClipRects);
+ }
+
+ if (rep.numBackClipRects) {
+ WriteToClient(client,
+ sizeof(XF86DRIClipRectRec) * rep.numBackClipRects,
+ (char *)pBackClipRects);
+ }
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIGetDeviceInfo(
+ register ClientPtr client
+)
+{
+ xXF86DRIGetDeviceInfoReply rep;
+ drmHandle hFrameBuffer;
+ void *pDevPrivate;
+
+ REQUEST(xXF86DRIGetDeviceInfoReq);
+ REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen],
+ &hFrameBuffer,
+ (int*)&rep.framebufferOrigin,
+ (int*)&rep.framebufferSize,
+ (int*)&rep.framebufferStride,
+ (int*)&rep.devPrivateSize,
+ &pDevPrivate)) {
+ return BadValue;
+ }
+
+ rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff);
+#ifdef LONG64
+ rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);
+#else
+ rep.hFrameBufferHigh = 0;
+#endif
+
+ rep.length = 0;
+ if (rep.devPrivateSize) {
+ rep.length = (SIZEOF(xXF86DRIGetDeviceInfoReply) -
+ SIZEOF(xGenericReply) +
+ ((rep.devPrivateSize + 3) & ~3)) >> 2;
+ }
+
+ WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);
+ if (rep.length) {
+ WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);
+ }
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIOpenFullScreen (
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRIOpenFullScreenReq);
+ xXF86DRIOpenFullScreenReply rep;
+ DrawablePtr pDrawable;
+
+ REQUEST_SIZE_MATCH(xXF86DRIOpenFullScreenReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!(pDrawable = SecurityLookupDrawable(stuff->drawable,
+ client,
+ SecurityReadAccess)))
+ return BadValue;
+
+ rep.isFullScreen = DRIOpenFullScreen(screenInfo.screens[stuff->screen],
+ pDrawable);
+
+ WriteToClient(client, sizeof(xXF86DRIOpenFullScreenReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int
+ProcXF86DRICloseFullScreen (
+ register ClientPtr client
+)
+{
+ REQUEST(xXF86DRICloseFullScreenReq);
+ xXF86DRICloseFullScreenReply rep;
+ DrawablePtr pDrawable;
+
+ REQUEST_SIZE_MATCH(xXF86DRICloseFullScreenReq);
+ if (stuff->screen >= screenInfo.numScreens) {
+ client->errorValue = stuff->screen;
+ return BadValue;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!(pDrawable = SecurityLookupDrawable(stuff->drawable,
+ client,
+ SecurityReadAccess)))
+ return BadValue;
+
+ DRICloseFullScreen(screenInfo.screens[stuff->screen], pDrawable);
+
+ WriteToClient(client, sizeof(xXF86DRICloseFullScreenReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_XF86DRIQueryVersion:
+ return ProcXF86DRIQueryVersion(client);
+ case X_XF86DRIQueryDirectRenderingCapable:
+ return ProcXF86DRIQueryDirectRenderingCapable(client);
+ }
+
+ if (!LocalClient(client))
+ return DRIErrorBase + XF86DRIClientNotLocal;
+
+ switch (stuff->data)
+ {
+ case X_XF86DRIOpenConnection:
+ return ProcXF86DRIOpenConnection(client);
+ case X_XF86DRICloseConnection:
+ return ProcXF86DRICloseConnection(client);
+ case X_XF86DRIGetClientDriverName:
+ return ProcXF86DRIGetClientDriverName(client);
+ case X_XF86DRICreateContext:
+ return ProcXF86DRICreateContext(client);
+ case X_XF86DRIDestroyContext:
+ return ProcXF86DRIDestroyContext(client);
+ case X_XF86DRICreateDrawable:
+ return ProcXF86DRICreateDrawable(client);
+ case X_XF86DRIDestroyDrawable:
+ return ProcXF86DRIDestroyDrawable(client);
+ case X_XF86DRIGetDrawableInfo:
+ return ProcXF86DRIGetDrawableInfo(client);
+ case X_XF86DRIGetDeviceInfo:
+ return ProcXF86DRIGetDeviceInfo(client);
+ case X_XF86DRIAuthConnection:
+ return ProcXF86DRIAuthConnection(client);
+ case X_XF86DRIOpenFullScreen:
+ return ProcXF86DRIOpenFullScreen(client);
+ case X_XF86DRICloseFullScreen:
+ return ProcXF86DRICloseFullScreen(client);
+ default:
+ return BadRequest;
+ }
+}
+
+static int
+SProcXF86DRIQueryVersion(
+ register ClientPtr client
+)
+{
+ register int n;
+ REQUEST(xXF86DRIQueryVersionReq);
+ swaps(&stuff->length, n);
+ return ProcXF86DRIQueryVersion(client);
+}
+
+static int
+SProcXF86DRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ /* It is bound to be non-local when there is byte swapping */
+ if (!LocalClient(client))
+ return DRIErrorBase + XF86DRIClientNotLocal;
+
+ /* only local clients are allowed DRI access */
+ switch (stuff->data)
+ {
+ case X_XF86DRIQueryVersion:
+ return SProcXF86DRIQueryVersion(client);
+ default:
+ return BadRequest;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-28 22:33:45 +0000