diff options
Diffstat (limited to 'xorg-server/hw/xquartz/xpr/dri.c')
| -rw-r--r-- | xorg-server/hw/xquartz/xpr/dri.c | 1768 |
1 files changed, 884 insertions, 884 deletions
diff --git a/xorg-server/hw/xquartz/xpr/dri.c b/xorg-server/hw/xquartz/xpr/dri.c index 8bae6b009..63fcabe38 100644 --- a/xorg-server/hw/xquartz/xpr/dri.c +++ b/xorg-server/hw/xquartz/xpr/dri.c @@ -1,884 +1,884 @@ -/************************************************************************** - -Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. -Copyright 2000 VA Linux Systems, Inc. -Copyright (c) 2002, 2009 Apple Computer, 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@valinux.com> - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#ifdef XFree86LOADER -#include "xf86.h" -#include "xf86_ansic.h" -#else -#include <sys/time.h> -#include <unistd.h> -#endif - -#include <X11/X.h> -#include <X11/Xproto.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <sys/types.h> -#include <sys/stat.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 _APPLEDRI_SERVER_ -#include "appledristr.h" -#include "swaprep.h" -#include "dri.h" -#include "dristruct.h" -#include "mi.h" -#include "mipointer.h" -#include "rootless.h" -#include "x-hash.h" -#include "x-hook.h" -#include "driWrap.h" - -#include <AvailabilityMacros.h> - -static DevPrivateKeyRec DRIScreenPrivKeyRec; -#define DRIScreenPrivKey (&DRIScreenPrivKeyRec) -static DevPrivateKeyRec DRIWindowPrivKeyRec; -#define DRIWindowPrivKey (&DRIWindowPrivKeyRec) -static DevPrivateKeyRec DRIPixmapPrivKeyRec; -#define DRIPixmapPrivKey (&DRIPixmapPrivKeyRec) -static DevPrivateKeyRec DRIPixmapBufferPrivKeyRec; -#define DRIPixmapBufferPrivKey (&DRIPixmapBufferPrivKeyRec) - -static RESTYPE DRIDrawablePrivResType; - -static x_hash_table *surface_hash; /* maps surface ids -> drawablePrivs */ - -static Bool DRIFreePixmapImp(DrawablePtr pDrawable); - -typedef struct { - DrawablePtr pDrawable; - int refCount; - int bytesPerPixel; - int width; - int height; - char shmPath[PATH_MAX]; - int fd; /* From shm_open (for now) */ - size_t length; /* length of buffer */ - void *buffer; -} DRIPixmapBuffer, *DRIPixmapBufferPtr; - -Bool -DRIScreenInit(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv; - int i; - - if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&DRIPixmapPrivKeyRec, PRIVATE_PIXMAP, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&DRIPixmapBufferPrivKeyRec, PRIVATE_PIXMAP, 0)) - return FALSE; - - pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec)); - if (!pDRIPriv) { - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - return FALSE; - } - - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv); - pDRIPriv->directRenderingSupport = TRUE; - pDRIPriv->nrWindows = 0; - - /* Initialize drawable tables */ - for (i = 0; i < DRI_MAX_DRAWABLES; i++) { - pDRIPriv->DRIDrawables[i] = NULL; - } - - return TRUE; -} - -Bool -DRIFinishScreenInit(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - /* Wrap DRI support */ - pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree; - pScreen->ValidateTree = DRIValidateTree; - - pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree; - pScreen->PostValidateTree = DRIPostValidateTree; - - pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures; - pScreen->WindowExposures = DRIWindowExposures; - - pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow; - pScreen->CopyWindow = DRICopyWindow; - - pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify; - pScreen->ClipNotify = DRIClipNotify; - - // ErrorF("[DRI] screen %d installation complete\n", pScreen->myNum); - - return DRIWrapInit(pScreen); -} - -void -DRICloseScreen(ScreenPtr pScreen) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv && pDRIPriv->directRenderingSupport) { - free(pDRIPriv); - dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); - } -} - -Bool -DRIExtensionInit(void) -{ - DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete, - "DRIDrawable"); - - return DRIDrawablePrivResType != 0; -} - -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 -DRIAuthConnection(ScreenPtr pScreen, unsigned int magic) -{ -#if 0 - /* FIXME: something? */ - - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE; -#endif - return TRUE; -} - -static void -DRIUpdateSurface(DRIDrawablePrivPtr pDRIDrawablePriv, DrawablePtr pDraw) -{ - xp_window_changes wc; - unsigned int flags = 0; - - if (pDRIDrawablePriv->sid == 0) - return; - -#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030 - wc.depth = (pDraw->bitsPerPixel == 32 ? XP_DEPTH_ARGB8888 - : pDraw->bitsPerPixel == 16 ? XP_DEPTH_RGB555 : XP_DEPTH_NIL); - if (wc.depth != XP_DEPTH_NIL) - flags |= XP_DEPTH; -#endif - - if (pDraw->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr) pDraw; - WindowPtr pTopWin = TopLevelParent(pWin); - - wc.x = pWin->drawable.x - (pTopWin->drawable.x - pTopWin->borderWidth); - wc.y = pWin->drawable.y - (pTopWin->drawable.y - pTopWin->borderWidth); - wc.width = pWin->drawable.width + 2 * pWin->borderWidth; - wc.height = pWin->drawable.height + 2 * pWin->borderWidth; - wc.bit_gravity = XP_GRAVITY_NONE; - - wc.shape_nrects = RegionNumRects(&pWin->clipList); - wc.shape_rects = RegionRects(&pWin->clipList); - wc.shape_tx = - (pTopWin->drawable.x - pTopWin->borderWidth); - wc.shape_ty = - (pTopWin->drawable.y - pTopWin->borderWidth); - - flags |= XP_BOUNDS | XP_SHAPE; - - } else if (pDraw->type == DRAWABLE_PIXMAP) { - wc.x = 0; - wc.y = 0; - wc.width = pDraw->width; - wc.height = pDraw->height; - wc.bit_gravity = XP_GRAVITY_NONE; - flags |= XP_BOUNDS; - } - - xp_configure_surface(pDRIDrawablePriv->sid, flags, &wc); -} - -/* Return NULL if an error occurs. */ -static DRIDrawablePrivPtr -CreateSurfaceForWindow(ScreenPtr pScreen, WindowPtr pWin, xp_window_id *widPtr) { - DRIDrawablePrivPtr pDRIDrawablePriv; - xp_window_id wid = 0; - - *widPtr = 0; - - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - - if (pDRIDrawablePriv == NULL) { - xp_error err; - xp_window_changes wc; - - /* allocate a DRI Window Private record */ - if (!(pDRIDrawablePriv = malloc(sizeof(*pDRIDrawablePriv)))) { - return NULL; - } - - pDRIDrawablePriv->pDraw = (DrawablePtr)pWin; - pDRIDrawablePriv->pScreen = pScreen; - pDRIDrawablePriv->refCount = 0; - pDRIDrawablePriv->drawableIndex = -1; - pDRIDrawablePriv->notifiers = NULL; - - /* find the physical window */ - wid = x_cvt_vptr_to_uint(RootlessFrameForWindow(pWin, TRUE)); - - if (wid == 0) { - free(pDRIDrawablePriv); - return NULL; - } - - /* allocate the physical surface */ - err = xp_create_surface(wid, &pDRIDrawablePriv->sid); - - if (err != Success) { - free(pDRIDrawablePriv); - return NULL; - } - - /* Make it visible */ - wc.stack_mode = XP_MAPPED_ABOVE; - wc.sibling = 0; - err = xp_configure_surface(pDRIDrawablePriv->sid, XP_STACKING, &wc); - - if (err != Success) { - xp_destroy_surface(pDRIDrawablePriv->sid); - free(pDRIDrawablePriv); - return NULL; - } - - /* save private off of preallocated index */ - dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, - pDRIDrawablePriv); - } - - *widPtr = wid; - - return pDRIDrawablePriv; -} - -/* Return NULL if an error occurs. */ -static DRIDrawablePrivPtr -CreateSurfaceForPixmap(ScreenPtr pScreen, PixmapPtr pPix) { - DRIDrawablePrivPtr pDRIDrawablePriv; - - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix); - - if (pDRIDrawablePriv == NULL) { - xp_error err; - - /* allocate a DRI Window Private record */ - if (!(pDRIDrawablePriv = calloc(1, sizeof(*pDRIDrawablePriv)))) { - return NULL; - } - - pDRIDrawablePriv->pDraw = (DrawablePtr)pPix; - pDRIDrawablePriv->pScreen = pScreen; - pDRIDrawablePriv->refCount = 0; - pDRIDrawablePriv->drawableIndex = -1; - pDRIDrawablePriv->notifiers = NULL; - - /* Passing a null window id to Xplugin in 10.3+ asks for - an accelerated offscreen surface. */ - - err = xp_create_surface(0, &pDRIDrawablePriv->sid); - if (err != Success) { - free(pDRIDrawablePriv); - return NULL; - } - - /* - * The DRIUpdateSurface will be called to resize the surface - * after this function, if the export is successful. - */ - - /* save private off of preallocated index */ - dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey, - pDRIDrawablePriv); - } - - return pDRIDrawablePriv; -} - - -Bool -DRICreateSurface(ScreenPtr pScreen, Drawable id, - DrawablePtr pDrawable, xp_client_id client_id, - xp_surface_id *surface_id, unsigned int ret_key[2], - void (*notify) (void *arg, void *data), void *notify_data) -{ - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - xp_window_id wid = 0; - DRIDrawablePrivPtr pDRIDrawablePriv; - - if (pDrawable->type == DRAWABLE_WINDOW) { - pDRIDrawablePriv = CreateSurfaceForWindow(pScreen, - (WindowPtr)pDrawable, &wid); - - if(NULL == pDRIDrawablePriv) - return FALSE; /*error*/ - } -#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030 - else if (pDrawable->type == DRAWABLE_PIXMAP) { - pDRIDrawablePriv = CreateSurfaceForPixmap(pScreen, - (PixmapPtr)pDrawable); - - if(NULL == pDRIDrawablePriv) - return FALSE; /*error*/ - } -#endif - else { - /* We handle GLXPbuffers in a different way (via CGL). */ - return FALSE; - } - - - /* Finish initialization of new surfaces */ - if (pDRIDrawablePriv->refCount == 0) { - unsigned int key[2] = {0}; - xp_error err; - - /* try to give the client access to the surface */ - if (client_id != 0) { - /* - * Xplugin accepts a 0 wid if the surface id is offscreen, such - * as for a pixmap. - */ - err = xp_export_surface(wid, pDRIDrawablePriv->sid, - client_id, key); - if (err != Success) { - xp_destroy_surface(pDRIDrawablePriv->sid); - free(pDRIDrawablePriv); - - /* - * Now set the dix privates to NULL that were previously set. - * This prevents reusing an invalid pointer. - */ - if(pDrawable->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDrawable; - - dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL); - } else if(pDrawable->type == DRAWABLE_PIXMAP) { - PixmapPtr pPix = (PixmapPtr)pDrawable; - - dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey, NULL); - } - - return FALSE; - } - } - - pDRIDrawablePriv->key[0] = key[0]; - pDRIDrawablePriv->key[1] = key[1]; - - ++pDRIPriv->nrWindows; - - /* and stash it by surface id */ - if (surface_hash == NULL) - surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL); - x_hash_table_insert(surface_hash, - x_cvt_uint_to_vptr(pDRIDrawablePriv->sid), pDRIDrawablePriv); - - /* track this in case this window is destroyed */ - AddResource(id, DRIDrawablePrivResType, (pointer)pDrawable); - - /* Initialize shape */ - DRIUpdateSurface(pDRIDrawablePriv, pDrawable); - } - - pDRIDrawablePriv->refCount++; - - *surface_id = pDRIDrawablePriv->sid; - - if (ret_key != NULL) { - ret_key[0] = pDRIDrawablePriv->key[0]; - ret_key[1] = pDRIDrawablePriv->key[1]; - } - - if (notify != NULL) { - pDRIDrawablePriv->notifiers = x_hook_add(pDRIDrawablePriv->notifiers, - notify, notify_data); - } - - return TRUE; -} - -Bool -DRIDestroySurface(ScreenPtr pScreen, Drawable id, DrawablePtr pDrawable, - void (*notify) (void *, void *), void *notify_data) -{ - DRIDrawablePrivPtr pDRIDrawablePriv; - - if (pDrawable->type == DRAWABLE_WINDOW) { - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW((WindowPtr)pDrawable); - } else if (pDrawable->type == DRAWABLE_PIXMAP) { - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP((PixmapPtr)pDrawable); - } else { - return FALSE; - } - - if (pDRIDrawablePriv != NULL) { - /* - * This doesn't seem to be used, because notify is NULL in all callers. - */ - - if (notify != NULL) { - pDRIDrawablePriv->notifiers = x_hook_remove(pDRIDrawablePriv->notifiers, - notify, notify_data); - } - - --pDRIDrawablePriv->refCount; - - /* - * Check if the drawable privates still have a reference to the - * surface. - */ - - if (pDRIDrawablePriv->refCount <= 0) { - /* - * This calls back to DRIDrawablePrivDelete which - * frees the private area and dispatches events, if needed. - */ - FreeResourceByType(id, DRIDrawablePrivResType, FALSE); - } - } - - return TRUE; -} - -/* - * The assumption is that this is called when the refCount of a surface - * drops to <= 0, or the window/pixmap is destroyed. - */ -Bool -DRIDrawablePrivDelete(pointer pResource, XID id) -{ - DrawablePtr pDrawable = (DrawablePtr)pResource; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pDrawable->pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv = NULL; - WindowPtr pWin = NULL; - PixmapPtr pPix = NULL; - - if (pDrawable->type == DRAWABLE_WINDOW) { - pWin = (WindowPtr)pDrawable; - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - } else if (pDrawable->type == DRAWABLE_PIXMAP) { - pPix = (PixmapPtr)pDrawable; - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix); - } - - if (pDRIDrawablePriv == NULL) { - /* - * We reuse __func__ and the resource type for the GLXPixmap code. - * Attempt to free a pixmap buffer associated with the resource - * if possible. - */ - return DRIFreePixmapImp(pDrawable); - } - - if (pDRIDrawablePriv->drawableIndex != -1) { - /* release drawable table entry */ - pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL; - } - - if (pDRIDrawablePriv->sid != 0) { - DRISurfaceNotify(pDRIDrawablePriv->sid, AppleDRISurfaceNotifyDestroyed); - } - - - if (pDRIDrawablePriv->notifiers != NULL) - x_hook_free(pDRIDrawablePriv->notifiers); - - free(pDRIDrawablePriv); - - if (pDrawable->type == DRAWABLE_WINDOW) { - dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL); - } else if (pDrawable->type == DRAWABLE_PIXMAP) { - dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey, NULL); - } - - --pDRIPriv->nrWindows; - - return TRUE; -} - -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) { - /* FIXME: something? */ - } - - pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures; - - (*pScreen->WindowExposures)(pWin, prgn, bsreg); - - pScreen->WindowExposures = DRIWindowExposures; -} - -void -DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv; - - if (pDRIPriv->nrWindows > 0) { - pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); - if (pDRIDrawablePriv != NULL) { - DRIUpdateSurface(pDRIDrawablePriv, &pWin->drawable); - } - } - - /* unwrap */ - pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow; - - /* call lower layers */ - (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc); - - /* rewrap */ - pScreen->CopyWindow = DRICopyWindow; -} - -int -DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - ScreenPtr pScreen = pParent->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - int returnValue; - - /* unwrap */ - pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree; - - /* call lower layers */ - returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind); - - /* rewrap */ - 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; - } - pDRIPriv = DRI_SCREEN_PRIV(pScreen); - - if (pDRIPriv->wrap.PostValidateTree) { - /* unwrap */ - pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree; - - /* call lower layers */ - (*pScreen->PostValidateTree)(pParent, pChild, kind); - - /* rewrap */ - pScreen->PostValidateTree = DRIPostValidateTree; - } -} - -void -DRIClipNotify(WindowPtr pWin, int dx, int dy) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); - DRIDrawablePrivPtr pDRIDrawablePriv; - - if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { - DRIUpdateSurface(pDRIDrawablePriv, &pWin->drawable); - } - - if (pDRIPriv->wrap.ClipNotify) { - pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify; - - (*pScreen->ClipNotify)(pWin, dx, dy); - - pScreen->ClipNotify = DRIClipNotify; - } -} - -/* This lets us get at the unwrapped functions so that they can correctly - * call the lower level 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 = APPLE_DRI_MAJOR_VERSION; - *minorVersion = APPLE_DRI_MINOR_VERSION; - *patchVersion = APPLE_DRI_PATCH_VERSION; -} - -/* - * Note: this also cleans up the hash table in addition to notifying clients. - * The sid/surface-id should not be used after this, because it will be - * invalid. - */ -void -DRISurfaceNotify(xp_surface_id id, int kind) -{ - DRIDrawablePrivPtr pDRIDrawablePriv = NULL; - DRISurfaceNotifyArg arg; - - arg.id = id; - arg.kind = kind; - - if (surface_hash != NULL) - { - pDRIDrawablePriv = x_hash_table_lookup(surface_hash, - x_cvt_uint_to_vptr(id), NULL); - } - - if (pDRIDrawablePriv == NULL) - return; - - if (kind == AppleDRISurfaceNotifyDestroyed) - { - x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(id)); - } - - x_hook_run(pDRIDrawablePriv->notifiers, &arg); - - if (kind == AppleDRISurfaceNotifyDestroyed) - { - xp_error error; - - error = xp_destroy_surface(pDRIDrawablePriv->sid); - - if(error) - ErrorF("%s: xp_destroy_surface failed: %d\n", __func__, error); - - /* Guard against reuse, even though we are freeing after this. */ - pDRIDrawablePriv->sid = 0; - - FreeResourceByType(pDRIDrawablePriv->pDraw->id, - DRIDrawablePrivResType, FALSE); - } -} - -/* - * This creates a shared memory buffer for use with GLXPixmaps - * and AppleSGLX. - */ -Bool DRICreatePixmap(ScreenPtr pScreen, Drawable id, - DrawablePtr pDrawable, char *path, - size_t pathmax) -{ - DRIPixmapBufferPtr shared; - PixmapPtr pPix; - - if(pDrawable->type != DRAWABLE_PIXMAP) - return FALSE; - - pPix = (PixmapPtr)pDrawable; - - shared = malloc(sizeof(*shared)); - if(NULL == shared) { - FatalError("failed to allocate DRIPixmapBuffer in %s\n", __func__); - } - - shared->pDrawable = pDrawable; - shared->refCount = 1; - - if(pDrawable->bitsPerPixel >= 24) { - shared->bytesPerPixel = 4; - } else if(pDrawable->bitsPerPixel <= 16) { - shared->bytesPerPixel = 2; - } - - shared->width = pDrawable->width; - shared->height = pDrawable->height; - - if(-1 == snprintf(shared->shmPath, sizeof(shared->shmPath), - "%d_0x%lx", getpid(), - (unsigned long)id)) { - FatalError("buffer overflow in %s\n", __func__); - } - - shared->fd = shm_open(shared->shmPath, - O_RDWR | O_EXCL | O_CREAT, - S_IRUSR | S_IWUSR | S_IROTH | S_IWOTH); - - if(-1 == shared->fd) { - free(shared); - return FALSE; - } - - shared->length = shared->width * shared->height * shared->bytesPerPixel; - - if(-1 == ftruncate(shared->fd, shared->length)) { - ErrorF("failed to ftruncate (extend) file."); - shm_unlink(shared->shmPath); - close(shared->fd); - free(shared); - return FALSE; - } - - shared->buffer = mmap(NULL, shared->length, - PROT_READ | PROT_WRITE, - MAP_FILE | MAP_SHARED, shared->fd, 0); - - if(MAP_FAILED == shared->buffer) { - ErrorF("failed to mmap shared memory."); - shm_unlink(shared->shmPath); - close(shared->fd); - free(shared); - return FALSE; - } - - strncpy(path, shared->shmPath, pathmax); - path[pathmax - 1] = '\0'; - - dixSetPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey, shared); - - AddResource(id, DRIDrawablePrivResType, (pointer)pDrawable); - - return TRUE; -} - - -Bool DRIGetPixmapData(DrawablePtr pDrawable, int *width, int *height, - int *pitch, int *bpp, void **ptr) { - PixmapPtr pPix; - DRIPixmapBufferPtr shared; - - if(pDrawable->type != DRAWABLE_PIXMAP) - return FALSE; - - pPix = (PixmapPtr)pDrawable; - - shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey); - - if(NULL == shared) - return FALSE; - - assert(pDrawable->width == shared->width); - assert(pDrawable->height == shared->height); - - *width = shared->width; - *height = shared->height; - *bpp = shared->bytesPerPixel; - *pitch = shared->width * shared->bytesPerPixel; - *ptr = shared->buffer; - - return TRUE; -} - -static Bool -DRIFreePixmapImp(DrawablePtr pDrawable) { - DRIPixmapBufferPtr shared; - PixmapPtr pPix; - - if(pDrawable->type != DRAWABLE_PIXMAP) - return FALSE; - - pPix = (PixmapPtr)pDrawable; - - shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey); - - if(NULL == shared) - return FALSE; - - close(shared->fd); - munmap(shared->buffer, shared->length); - shm_unlink(shared->shmPath); - free(shared); - - dixSetPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey, (pointer)NULL); - - return TRUE; -} - -void -DRIDestroyPixmap(DrawablePtr pDrawable) { - if(DRIFreePixmapImp(pDrawable)) - FreeResourceByType(pDrawable->id, DRIDrawablePrivResType, FALSE); - -} +/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+Copyright (c) 2002, 2009 Apple Computer, 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@valinux.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifdef XFree86LOADER
+#include "xf86.h"
+#include "xf86_ansic.h"
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.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 _APPLEDRI_SERVER_
+#include "appledristr.h"
+#include "swaprep.h"
+#include "dri.h"
+#include "dristruct.h"
+#include "mi.h"
+#include "mipointer.h"
+#include "rootless.h"
+#include "x-hash.h"
+#include "x-hook.h"
+#include "driWrap.h"
+
+#include <AvailabilityMacros.h>
+
+static DevPrivateKeyRec DRIScreenPrivKeyRec;
+#define DRIScreenPrivKey (&DRIScreenPrivKeyRec)
+static DevPrivateKeyRec DRIWindowPrivKeyRec;
+#define DRIWindowPrivKey (&DRIWindowPrivKeyRec)
+static DevPrivateKeyRec DRIPixmapPrivKeyRec;
+#define DRIPixmapPrivKey (&DRIPixmapPrivKeyRec)
+static DevPrivateKeyRec DRIPixmapBufferPrivKeyRec;
+#define DRIPixmapBufferPrivKey (&DRIPixmapBufferPrivKeyRec)
+
+static RESTYPE DRIDrawablePrivResType;
+
+static x_hash_table *surface_hash; /* maps surface ids -> drawablePrivs */
+
+static Bool DRIFreePixmapImp(DrawablePtr pDrawable);
+
+typedef struct {
+ DrawablePtr pDrawable;
+ int refCount;
+ int bytesPerPixel;
+ int width;
+ int height;
+ char shmPath[PATH_MAX];
+ int fd; /* From shm_open (for now) */
+ size_t length; /* length of buffer */
+ void *buffer;
+} DRIPixmapBuffer, *DRIPixmapBufferPtr;
+
+Bool
+DRIScreenInit(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv;
+ int i;
+
+ if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&DRIPixmapPrivKeyRec, PRIVATE_PIXMAP, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&DRIPixmapBufferPrivKeyRec, PRIVATE_PIXMAP, 0))
+ return FALSE;
+
+ pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec));
+ if (!pDRIPriv) {
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ return FALSE;
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv);
+ pDRIPriv->directRenderingSupport = TRUE;
+ pDRIPriv->nrWindows = 0;
+
+ /* Initialize drawable tables */
+ for (i = 0; i < DRI_MAX_DRAWABLES; i++) {
+ pDRIPriv->DRIDrawables[i] = NULL;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIFinishScreenInit(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ /* Wrap DRI support */
+ pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
+ pScreen->ValidateTree = DRIValidateTree;
+
+ pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
+ pScreen->PostValidateTree = DRIPostValidateTree;
+
+ pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
+ pScreen->WindowExposures = DRIWindowExposures;
+
+ pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = DRICopyWindow;
+
+ pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = DRIClipNotify;
+
+ // ErrorF("[DRI] screen %d installation complete\n", pScreen->myNum);
+
+ return DRIWrapInit(pScreen);
+}
+
+void
+DRICloseScreen(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv && pDRIPriv->directRenderingSupport) {
+ free(pDRIPriv);
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ }
+}
+
+Bool
+DRIExtensionInit(void)
+{
+ DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete,
+ "DRIDrawable");
+
+ return DRIDrawablePrivResType != 0;
+}
+
+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
+DRIAuthConnection(ScreenPtr pScreen, unsigned int magic)
+{
+#if 0
+ /* FIXME: something? */
+
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE;
+#endif
+ return TRUE;
+}
+
+static void
+DRIUpdateSurface(DRIDrawablePrivPtr pDRIDrawablePriv, DrawablePtr pDraw)
+{
+ xp_window_changes wc;
+ unsigned int flags = 0;
+
+ if (pDRIDrawablePriv->sid == 0)
+ return;
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
+ wc.depth = (pDraw->bitsPerPixel == 32 ? XP_DEPTH_ARGB8888
+ : pDraw->bitsPerPixel == 16 ? XP_DEPTH_RGB555 : XP_DEPTH_NIL);
+ if (wc.depth != XP_DEPTH_NIL)
+ flags |= XP_DEPTH;
+#endif
+
+ if (pDraw->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr) pDraw;
+ WindowPtr pTopWin = TopLevelParent(pWin);
+
+ wc.x = pWin->drawable.x - (pTopWin->drawable.x - pTopWin->borderWidth);
+ wc.y = pWin->drawable.y - (pTopWin->drawable.y - pTopWin->borderWidth);
+ wc.width = pWin->drawable.width + 2 * pWin->borderWidth;
+ wc.height = pWin->drawable.height + 2 * pWin->borderWidth;
+ wc.bit_gravity = XP_GRAVITY_NONE;
+
+ wc.shape_nrects = RegionNumRects(&pWin->clipList);
+ wc.shape_rects = RegionRects(&pWin->clipList);
+ wc.shape_tx = - (pTopWin->drawable.x - pTopWin->borderWidth);
+ wc.shape_ty = - (pTopWin->drawable.y - pTopWin->borderWidth);
+
+ flags |= XP_BOUNDS | XP_SHAPE;
+
+ } else if (pDraw->type == DRAWABLE_PIXMAP) {
+ wc.x = 0;
+ wc.y = 0;
+ wc.width = pDraw->width;
+ wc.height = pDraw->height;
+ wc.bit_gravity = XP_GRAVITY_NONE;
+ flags |= XP_BOUNDS;
+ }
+
+ xp_configure_surface(pDRIDrawablePriv->sid, flags, &wc);
+}
+
+/* Return NULL if an error occurs. */
+static DRIDrawablePrivPtr
+CreateSurfaceForWindow(ScreenPtr pScreen, WindowPtr pWin, xp_window_id *widPtr) {
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+ xp_window_id wid = 0;
+
+ *widPtr = 0;
+
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if (pDRIDrawablePriv == NULL) {
+ xp_error err;
+ xp_window_changes wc;
+
+ /* allocate a DRI Window Private record */
+ if (!(pDRIDrawablePriv = malloc(sizeof(*pDRIDrawablePriv)))) {
+ return NULL;
+ }
+
+ pDRIDrawablePriv->pDraw = (DrawablePtr)pWin;
+ pDRIDrawablePriv->pScreen = pScreen;
+ pDRIDrawablePriv->refCount = 0;
+ pDRIDrawablePriv->drawableIndex = -1;
+ pDRIDrawablePriv->notifiers = NULL;
+
+ /* find the physical window */
+ wid = x_cvt_vptr_to_uint(RootlessFrameForWindow(pWin, TRUE));
+
+ if (wid == 0) {
+ free(pDRIDrawablePriv);
+ return NULL;
+ }
+
+ /* allocate the physical surface */
+ err = xp_create_surface(wid, &pDRIDrawablePriv->sid);
+
+ if (err != Success) {
+ free(pDRIDrawablePriv);
+ return NULL;
+ }
+
+ /* Make it visible */
+ wc.stack_mode = XP_MAPPED_ABOVE;
+ wc.sibling = 0;
+ err = xp_configure_surface(pDRIDrawablePriv->sid, XP_STACKING, &wc);
+
+ if (err != Success) {
+ xp_destroy_surface(pDRIDrawablePriv->sid);
+ free(pDRIDrawablePriv);
+ return NULL;
+ }
+
+ /* save private off of preallocated index */
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey,
+ pDRIDrawablePriv);
+ }
+
+ *widPtr = wid;
+
+ return pDRIDrawablePriv;
+}
+
+/* Return NULL if an error occurs. */
+static DRIDrawablePrivPtr
+CreateSurfaceForPixmap(ScreenPtr pScreen, PixmapPtr pPix) {
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix);
+
+ if (pDRIDrawablePriv == NULL) {
+ xp_error err;
+
+ /* allocate a DRI Window Private record */
+ if (!(pDRIDrawablePriv = calloc(1, sizeof(*pDRIDrawablePriv)))) {
+ return NULL;
+ }
+
+ pDRIDrawablePriv->pDraw = (DrawablePtr)pPix;
+ pDRIDrawablePriv->pScreen = pScreen;
+ pDRIDrawablePriv->refCount = 0;
+ pDRIDrawablePriv->drawableIndex = -1;
+ pDRIDrawablePriv->notifiers = NULL;
+
+ /* Passing a null window id to Xplugin in 10.3+ asks for
+ an accelerated offscreen surface. */
+
+ err = xp_create_surface(0, &pDRIDrawablePriv->sid);
+ if (err != Success) {
+ free(pDRIDrawablePriv);
+ return NULL;
+ }
+
+ /*
+ * The DRIUpdateSurface will be called to resize the surface
+ * after this function, if the export is successful.
+ */
+
+ /* save private off of preallocated index */
+ dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey,
+ pDRIDrawablePriv);
+ }
+
+ return pDRIDrawablePriv;
+}
+
+
+Bool
+DRICreateSurface(ScreenPtr pScreen, Drawable id,
+ DrawablePtr pDrawable, xp_client_id client_id,
+ xp_surface_id *surface_id, unsigned int ret_key[2],
+ void (*notify) (void *arg, void *data), void *notify_data)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ xp_window_id wid = 0;
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pDRIDrawablePriv = CreateSurfaceForWindow(pScreen,
+ (WindowPtr)pDrawable, &wid);
+
+ if(NULL == pDRIDrawablePriv)
+ return FALSE; /*error*/
+ }
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
+ else if (pDrawable->type == DRAWABLE_PIXMAP) {
+ pDRIDrawablePriv = CreateSurfaceForPixmap(pScreen,
+ (PixmapPtr)pDrawable);
+
+ if(NULL == pDRIDrawablePriv)
+ return FALSE; /*error*/
+ }
+#endif
+ else {
+ /* We handle GLXPbuffers in a different way (via CGL). */
+ return FALSE;
+ }
+
+
+ /* Finish initialization of new surfaces */
+ if (pDRIDrawablePriv->refCount == 0) {
+ unsigned int key[2] = {0};
+ xp_error err;
+
+ /* try to give the client access to the surface */
+ if (client_id != 0) {
+ /*
+ * Xplugin accepts a 0 wid if the surface id is offscreen, such
+ * as for a pixmap.
+ */
+ err = xp_export_surface(wid, pDRIDrawablePriv->sid,
+ client_id, key);
+ if (err != Success) {
+ xp_destroy_surface(pDRIDrawablePriv->sid);
+ free(pDRIDrawablePriv);
+
+ /*
+ * Now set the dix privates to NULL that were previously set.
+ * This prevents reusing an invalid pointer.
+ */
+ if(pDrawable->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr)pDrawable;
+
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL);
+ } else if(pDrawable->type == DRAWABLE_PIXMAP) {
+ PixmapPtr pPix = (PixmapPtr)pDrawable;
+
+ dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey, NULL);
+ }
+
+ return FALSE;
+ }
+ }
+
+ pDRIDrawablePriv->key[0] = key[0];
+ pDRIDrawablePriv->key[1] = key[1];
+
+ ++pDRIPriv->nrWindows;
+
+ /* and stash it by surface id */
+ if (surface_hash == NULL)
+ surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL);
+ x_hash_table_insert(surface_hash,
+ x_cvt_uint_to_vptr(pDRIDrawablePriv->sid), pDRIDrawablePriv);
+
+ /* track this in case this window is destroyed */
+ AddResource(id, DRIDrawablePrivResType, (pointer)pDrawable);
+
+ /* Initialize shape */
+ DRIUpdateSurface(pDRIDrawablePriv, pDrawable);
+ }
+
+ pDRIDrawablePriv->refCount++;
+
+ *surface_id = pDRIDrawablePriv->sid;
+
+ if (ret_key != NULL) {
+ ret_key[0] = pDRIDrawablePriv->key[0];
+ ret_key[1] = pDRIDrawablePriv->key[1];
+ }
+
+ if (notify != NULL) {
+ pDRIDrawablePriv->notifiers = x_hook_add(pDRIDrawablePriv->notifiers,
+ notify, notify_data);
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIDestroySurface(ScreenPtr pScreen, Drawable id, DrawablePtr pDrawable,
+ void (*notify) (void *, void *), void *notify_data)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW((WindowPtr)pDrawable);
+ } else if (pDrawable->type == DRAWABLE_PIXMAP) {
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP((PixmapPtr)pDrawable);
+ } else {
+ return FALSE;
+ }
+
+ if (pDRIDrawablePriv != NULL) {
+ /*
+ * This doesn't seem to be used, because notify is NULL in all callers.
+ */
+
+ if (notify != NULL) {
+ pDRIDrawablePriv->notifiers = x_hook_remove(pDRIDrawablePriv->notifiers,
+ notify, notify_data);
+ }
+
+ --pDRIDrawablePriv->refCount;
+
+ /*
+ * Check if the drawable privates still have a reference to the
+ * surface.
+ */
+
+ if (pDRIDrawablePriv->refCount <= 0) {
+ /*
+ * This calls back to DRIDrawablePrivDelete which
+ * frees the private area and dispatches events, if needed.
+ */
+ FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
+ }
+ }
+
+ return TRUE;
+}
+
+/*
+ * The assumption is that this is called when the refCount of a surface
+ * drops to <= 0, or the window/pixmap is destroyed.
+ */
+Bool
+DRIDrawablePrivDelete(pointer pResource, XID id)
+{
+ DrawablePtr pDrawable = (DrawablePtr)pResource;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pDrawable->pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv = NULL;
+ WindowPtr pWin = NULL;
+ PixmapPtr pPix = NULL;
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pWin = (WindowPtr)pDrawable;
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ } else if (pDrawable->type == DRAWABLE_PIXMAP) {
+ pPix = (PixmapPtr)pDrawable;
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix);
+ }
+
+ if (pDRIDrawablePriv == NULL) {
+ /*
+ * We reuse __func__ and the resource type for the GLXPixmap code.
+ * Attempt to free a pixmap buffer associated with the resource
+ * if possible.
+ */
+ return DRIFreePixmapImp(pDrawable);
+ }
+
+ if (pDRIDrawablePriv->drawableIndex != -1) {
+ /* release drawable table entry */
+ pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL;
+ }
+
+ if (pDRIDrawablePriv->sid != 0) {
+ DRISurfaceNotify(pDRIDrawablePriv->sid, AppleDRISurfaceNotifyDestroyed);
+ }
+
+
+ if (pDRIDrawablePriv->notifiers != NULL)
+ x_hook_free(pDRIDrawablePriv->notifiers);
+
+ free(pDRIDrawablePriv);
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL);
+ } else if (pDrawable->type == DRAWABLE_PIXMAP) {
+ dixSetPrivate(&pPix->devPrivates, DRIPixmapPrivKey, NULL);
+ }
+
+ --pDRIPriv->nrWindows;
+
+ return TRUE;
+}
+
+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) {
+ /* FIXME: something? */
+ }
+
+ pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
+
+ (*pScreen->WindowExposures)(pWin, prgn, bsreg);
+
+ pScreen->WindowExposures = DRIWindowExposures;
+}
+
+void
+DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if (pDRIPriv->nrWindows > 0) {
+ pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ if (pDRIDrawablePriv != NULL) {
+ DRIUpdateSurface(pDRIDrawablePriv, &pWin->drawable);
+ }
+ }
+
+ /* unwrap */
+ pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
+
+ /* call lower layers */
+ (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
+
+ /* rewrap */
+ pScreen->CopyWindow = DRICopyWindow;
+}
+
+int
+DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ int returnValue;
+
+ /* unwrap */
+ pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
+
+ /* call lower layers */
+ returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ 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;
+ }
+ pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv->wrap.PostValidateTree) {
+ /* unwrap */
+ pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
+
+ /* call lower layers */
+ (*pScreen->PostValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ pScreen->PostValidateTree = DRIPostValidateTree;
+ }
+}
+
+void
+DRIClipNotify(WindowPtr pWin, int dx, int dy)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+ DRIUpdateSurface(pDRIDrawablePriv, &pWin->drawable);
+ }
+
+ if (pDRIPriv->wrap.ClipNotify) {
+ pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
+
+ (*pScreen->ClipNotify)(pWin, dx, dy);
+
+ pScreen->ClipNotify = DRIClipNotify;
+ }
+}
+
+/* This lets us get at the unwrapped functions so that they can correctly
+ * call the lower level 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 = APPLE_DRI_MAJOR_VERSION;
+ *minorVersion = APPLE_DRI_MINOR_VERSION;
+ *patchVersion = APPLE_DRI_PATCH_VERSION;
+}
+
+/*
+ * Note: this also cleans up the hash table in addition to notifying clients.
+ * The sid/surface-id should not be used after this, because it will be
+ * invalid.
+ */
+void
+DRISurfaceNotify(xp_surface_id id, int kind)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = NULL;
+ DRISurfaceNotifyArg arg;
+
+ arg.id = id;
+ arg.kind = kind;
+
+ if (surface_hash != NULL)
+ {
+ pDRIDrawablePriv = x_hash_table_lookup(surface_hash,
+ x_cvt_uint_to_vptr(id), NULL);
+ }
+
+ if (pDRIDrawablePriv == NULL)
+ return;
+
+ if (kind == AppleDRISurfaceNotifyDestroyed)
+ {
+ x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(id));
+ }
+
+ x_hook_run(pDRIDrawablePriv->notifiers, &arg);
+
+ if (kind == AppleDRISurfaceNotifyDestroyed)
+ {
+ xp_error error;
+
+ error = xp_destroy_surface(pDRIDrawablePriv->sid);
+
+ if(error)
+ ErrorF("%s: xp_destroy_surface failed: %d\n", __func__, error);
+
+ /* Guard against reuse, even though we are freeing after this. */
+ pDRIDrawablePriv->sid = 0;
+
+ FreeResourceByType(pDRIDrawablePriv->pDraw->id,
+ DRIDrawablePrivResType, FALSE);
+ }
+}
+
+/*
+ * This creates a shared memory buffer for use with GLXPixmaps
+ * and AppleSGLX.
+ */
+Bool DRICreatePixmap(ScreenPtr pScreen, Drawable id,
+ DrawablePtr pDrawable, char *path,
+ size_t pathmax)
+{
+ DRIPixmapBufferPtr shared;
+ PixmapPtr pPix;
+
+ if(pDrawable->type != DRAWABLE_PIXMAP)
+ return FALSE;
+
+ pPix = (PixmapPtr)pDrawable;
+
+ shared = malloc(sizeof(*shared));
+ if(NULL == shared) {
+ FatalError("failed to allocate DRIPixmapBuffer in %s\n", __func__);
+ }
+
+ shared->pDrawable = pDrawable;
+ shared->refCount = 1;
+
+ if(pDrawable->bitsPerPixel >= 24) {
+ shared->bytesPerPixel = 4;
+ } else if(pDrawable->bitsPerPixel <= 16) {
+ shared->bytesPerPixel = 2;
+ }
+
+ shared->width = pDrawable->width;
+ shared->height = pDrawable->height;
+
+ if(-1 == snprintf(shared->shmPath, sizeof(shared->shmPath),
+ "%d_0x%lx", getpid(),
+ (unsigned long)id)) {
+ FatalError("buffer overflow in %s\n", __func__);
+ }
+
+ shared->fd = shm_open(shared->shmPath,
+ O_RDWR | O_EXCL | O_CREAT,
+ S_IRUSR | S_IWUSR | S_IROTH | S_IWOTH);
+
+ if(-1 == shared->fd) {
+ free(shared);
+ return FALSE;
+ }
+
+ shared->length = shared->width * shared->height * shared->bytesPerPixel;
+
+ if(-1 == ftruncate(shared->fd, shared->length)) {
+ ErrorF("failed to ftruncate (extend) file.");
+ shm_unlink(shared->shmPath);
+ close(shared->fd);
+ free(shared);
+ return FALSE;
+ }
+
+ shared->buffer = mmap(NULL, shared->length,
+ PROT_READ | PROT_WRITE,
+ MAP_FILE | MAP_SHARED, shared->fd, 0);
+
+ if(MAP_FAILED == shared->buffer) {
+ ErrorF("failed to mmap shared memory.");
+ shm_unlink(shared->shmPath);
+ close(shared->fd);
+ free(shared);
+ return FALSE;
+ }
+
+ strncpy(path, shared->shmPath, pathmax);
+ path[pathmax - 1] = '\0';
+
+ dixSetPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey, shared);
+
+ AddResource(id, DRIDrawablePrivResType, (pointer)pDrawable);
+
+ return TRUE;
+}
+
+
+Bool DRIGetPixmapData(DrawablePtr pDrawable, int *width, int *height,
+ int *pitch, int *bpp, void **ptr) {
+ PixmapPtr pPix;
+ DRIPixmapBufferPtr shared;
+
+ if(pDrawable->type != DRAWABLE_PIXMAP)
+ return FALSE;
+
+ pPix = (PixmapPtr)pDrawable;
+
+ shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey);
+
+ if(NULL == shared)
+ return FALSE;
+
+ assert(pDrawable->width == shared->width);
+ assert(pDrawable->height == shared->height);
+
+ *width = shared->width;
+ *height = shared->height;
+ *bpp = shared->bytesPerPixel;
+ *pitch = shared->width * shared->bytesPerPixel;
+ *ptr = shared->buffer;
+
+ return TRUE;
+}
+
+static Bool
+DRIFreePixmapImp(DrawablePtr pDrawable) {
+ DRIPixmapBufferPtr shared;
+ PixmapPtr pPix;
+
+ if(pDrawable->type != DRAWABLE_PIXMAP)
+ return FALSE;
+
+ pPix = (PixmapPtr)pDrawable;
+
+ shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey);
+
+ if(NULL == shared)
+ return FALSE;
+
+ close(shared->fd);
+ munmap(shared->buffer, shared->length);
+ shm_unlink(shared->shmPath);
+ free(shared);
+
+ dixSetPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey, (pointer)NULL);
+
+ return TRUE;
+}
+
+void
+DRIDestroyPixmap(DrawablePtr pDrawable) {
+ if(DRIFreePixmapImp(pDrawable))
+ FreeResourceByType(pDrawable->id, DRIDrawablePrivResType, FALSE);
+
+}
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