diff options
Diffstat (limited to 'src/glx/x11/XF86dri.c')
| -rw-r--r-- | src/glx/x11/XF86dri.c | 1003 |
1 files changed, 494 insertions, 509 deletions
diff --git a/src/glx/x11/XF86dri.c b/src/glx/x11/XF86dri.c index cd0adc3930f..4faa8bbfb15 100644 --- a/src/glx/x11/XF86dri.c +++ b/src/glx/x11/XF86dri.c @@ -1,3 +1,4 @@ +/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */ /************************************************************************** Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. @@ -68,27 +69,28 @@ static char xf86dri_extension_name[] = XF86DRINAME; * * *****************************************************************************/ -static int close_display(Display *dpy, XExtCodes *extCodes); +static int close_display(Display * dpy, XExtCodes * extCodes); static /* const */ XExtensionHooks xf86dri_extension_hooks = { - NULL, /* create_gc */ - NULL, /* copy_gc */ - NULL, /* flush_gc */ - NULL, /* free_gc */ - NULL, /* create_font */ - NULL, /* free_font */ - close_display, /* close_display */ - NULL, /* wire_to_event */ - NULL, /* event_to_wire */ - NULL, /* error */ - NULL, /* error_string */ + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + NULL, /* wire_to_event */ + NULL, /* event_to_wire */ + NULL, /* error */ + NULL, /* error_string */ }; -static XEXT_GENERATE_FIND_DISPLAY (find_display, xf86dri_info, - xf86dri_extension_name, - &xf86dri_extension_hooks, - 0, NULL) +static +XEXT_GENERATE_FIND_DISPLAY(find_display, xf86dri_info, + xf86dri_extension_name, + &xf86dri_extension_hooks, 0, NULL) -static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xf86dri_info) +static +XEXT_GENERATE_CLOSE_DISPLAY(close_display, xf86dri_info) /***************************************************************************** @@ -96,7 +98,6 @@ static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xf86dri_info) * public XFree86-DRI Extension routines * * * *****************************************************************************/ - #if 0 #include <stdio.h> #define TRACE(msg) fprintf(stderr,"XF86DRI%s\n", msg); @@ -104,550 +105,534 @@ static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xf86dri_info) #define TRACE(msg) #endif - -PUBLIC Bool XF86DRIQueryExtension (dpy, event_basep, error_basep) - Display *dpy; - int *event_basep, *error_basep; +PUBLIC Bool +XF86DRIQueryExtension(Display * dpy, int *event_basep, + int *error_basep) { - XExtDisplayInfo *info = find_display (dpy); - - TRACE("QueryExtension..."); - if (XextHasExtension(info)) { - *event_basep = info->codes->first_event; - *error_basep = info->codes->first_error; - TRACE("QueryExtension... return True"); - return True; - } else { - TRACE("QueryExtension... return False"); - return False; - } + XExtDisplayInfo *info = find_display(dpy); + + TRACE("QueryExtension..."); + if (XextHasExtension(info)) { + *event_basep = info->codes->first_event; + *error_basep = info->codes->first_error; + TRACE("QueryExtension... return True"); + return True; + } + else { + TRACE("QueryExtension... return False"); + return False; + } } -PUBLIC Bool XF86DRIQueryVersion(dpy, majorVersion, minorVersion, patchVersion) - Display* dpy; - int* majorVersion; - int* minorVersion; - int* patchVersion; +PUBLIC Bool +XF86DRIQueryVersion(Display * dpy, int *majorVersion, int *minorVersion, + int *patchVersion) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIQueryVersionReply rep; - xXF86DRIQueryVersionReq *req; - - TRACE("QueryVersion..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIQueryVersion, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIQueryVersion; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("QueryVersion... return False"); - return False; - } - *majorVersion = rep.majorVersion; - *minorVersion = rep.minorVersion; - *patchVersion = rep.patchVersion; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("QueryVersion... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIQueryVersionReply rep; + xXF86DRIQueryVersionReq *req; + + TRACE("QueryVersion..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIQueryVersion; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("QueryVersion... return False"); + return False; + } + *majorVersion = rep.majorVersion; + *minorVersion = rep.minorVersion; + *patchVersion = rep.patchVersion; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("QueryVersion... return True"); + return True; } -PUBLIC Bool XF86DRIQueryDirectRenderingCapable(dpy, screen, isCapable) - Display* dpy; - int screen; - Bool* isCapable; +PUBLIC Bool +XF86DRIQueryDirectRenderingCapable(Display * dpy, int screen, + Bool * isCapable) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIQueryDirectRenderingCapableReply rep; - xXF86DRIQueryDirectRenderingCapableReq *req; - - TRACE("QueryDirectRenderingCapable..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIQueryDirectRenderingCapable, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIQueryDirectRenderingCapable; - req->screen = screen; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("QueryDirectRenderingCapable... return False"); - return False; - } - *isCapable = rep.isCapable; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("QueryDirectRenderingCapable... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIQueryDirectRenderingCapableReply rep; + xXF86DRIQueryDirectRenderingCapableReq *req; + + TRACE("QueryDirectRenderingCapable..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIQueryDirectRenderingCapable, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIQueryDirectRenderingCapable; + req->screen = screen; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("QueryDirectRenderingCapable... return False"); + return False; + } + *isCapable = rep.isCapable; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("QueryDirectRenderingCapable... return True"); + return True; } -PUBLIC Bool XF86DRIOpenConnection(dpy, screen, hSAREA, busIdString) - Display* dpy; - int screen; - drm_handle_t * hSAREA; - char **busIdString; +PUBLIC Bool +XF86DRIOpenConnection(Display * dpy, int screen, drm_handle_t * hSAREA, + char **busIdString) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIOpenConnectionReply rep; - xXF86DRIOpenConnectionReq *req; - - TRACE("OpenConnection..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIOpenConnection, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIOpenConnection; - req->screen = screen; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("OpenConnection... return False"); - return False; - } - - *hSAREA = rep.hSAREALow; - if (sizeof(drm_handle_t) == 8) { - int shift = 32; /* var to prevent warning on next line */ - *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift; - } - - if (rep.length) { - if (!(*busIdString = (char *)Xcalloc(rep.busIdStringLength + 1, 1))) { - _XEatData(dpy, ((rep.busIdStringLength+3) & ~3)); - UnlockDisplay(dpy); - SyncHandle(); - TRACE("OpenConnection... return False"); - return False; - } - _XReadPad(dpy, *busIdString, rep.busIdStringLength); - } else { - *busIdString = NULL; - } - UnlockDisplay(dpy); - SyncHandle(); - TRACE("OpenConnection... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIOpenConnectionReply rep; + xXF86DRIOpenConnectionReq *req; + + TRACE("OpenConnection..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIOpenConnection, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIOpenConnection; + req->screen = screen; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("OpenConnection... return False"); + return False; + } + + *hSAREA = rep.hSAREALow; + if (sizeof(drm_handle_t) == 8) { + int shift = 32; /* var to prevent warning on next line */ + *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift; + } + + if (rep.length) { + if (!(*busIdString = (char *) Xcalloc(rep.busIdStringLength + 1, 1))) { + _XEatData(dpy, ((rep.busIdStringLength + 3) & ~3)); + UnlockDisplay(dpy); + SyncHandle(); + TRACE("OpenConnection... return False"); + return False; + } + _XReadPad(dpy, *busIdString, rep.busIdStringLength); + } + else { + *busIdString = NULL; + } + UnlockDisplay(dpy); + SyncHandle(); + TRACE("OpenConnection... return True"); + return True; } -PUBLIC Bool XF86DRIAuthConnection(dpy, screen, magic) - Display* dpy; - int screen; - drm_magic_t magic; +PUBLIC Bool +XF86DRIAuthConnection(Display * dpy, int screen, drm_magic_t magic) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIAuthConnectionReq *req; - xXF86DRIAuthConnectionReply rep; - - TRACE("AuthConnection..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIAuthConnection, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIAuthConnection; - req->screen = screen; - req->magic = magic; - rep.authenticated = 0; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse) || !rep.authenticated) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("AuthConnection... return False"); - return False; - } - UnlockDisplay(dpy); - SyncHandle(); - TRACE("AuthConnection... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIAuthConnectionReq *req; + xXF86DRIAuthConnectionReply rep; + + TRACE("AuthConnection..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIAuthConnection, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIAuthConnection; + req->screen = screen; + req->magic = magic; + rep.authenticated = 0; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse) || !rep.authenticated) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("AuthConnection... return False"); + return False; + } + UnlockDisplay(dpy); + SyncHandle(); + TRACE("AuthConnection... return True"); + return True; } -PUBLIC Bool XF86DRICloseConnection(dpy, screen) - Display* dpy; - int screen; +PUBLIC Bool +XF86DRICloseConnection(Display * dpy, int screen) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRICloseConnectionReq *req; - - TRACE("CloseConnection..."); - - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRICloseConnection, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRICloseConnection; - req->screen = screen; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("CloseConnection... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRICloseConnectionReq *req; + + TRACE("CloseConnection..."); + + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRICloseConnection, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRICloseConnection; + req->screen = screen; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("CloseConnection... return True"); + return True; } -PUBLIC Bool XF86DRIGetClientDriverName(dpy, screen, ddxDriverMajorVersion, - ddxDriverMinorVersion, ddxDriverPatchVersion, clientDriverName) - Display* dpy; - int screen; - int* ddxDriverMajorVersion; - int* ddxDriverMinorVersion; - int* ddxDriverPatchVersion; - char** clientDriverName; +PUBLIC Bool +XF86DRIGetClientDriverName(Display * dpy, int screen, + int *ddxDriverMajorVersion, + int *ddxDriverMinorVersion, + int *ddxDriverPatchVersion, + char **clientDriverName) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIGetClientDriverNameReply rep; - xXF86DRIGetClientDriverNameReq *req; - - TRACE("GetClientDriverName..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIGetClientDriverName, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIGetClientDriverName; - req->screen = screen; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetClientDriverName... return False"); - return False; - } - - *ddxDriverMajorVersion = rep.ddxDriverMajorVersion; - *ddxDriverMinorVersion = rep.ddxDriverMinorVersion; - *ddxDriverPatchVersion = rep.ddxDriverPatchVersion; - - if (rep.length) { - if (!(*clientDriverName = (char *)Xcalloc(rep.clientDriverNameLength + 1, 1))) { - _XEatData(dpy, ((rep.clientDriverNameLength+3) & ~3)); - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetClientDriverName... return False"); - return False; - } - _XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength); - } else { - *clientDriverName = NULL; - } - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetClientDriverName... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIGetClientDriverNameReply rep; + xXF86DRIGetClientDriverNameReq *req; + + TRACE("GetClientDriverName..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIGetClientDriverName, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIGetClientDriverName; + req->screen = screen; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetClientDriverName... return False"); + return False; + } + + *ddxDriverMajorVersion = rep.ddxDriverMajorVersion; + *ddxDriverMinorVersion = rep.ddxDriverMinorVersion; + *ddxDriverPatchVersion = rep.ddxDriverPatchVersion; + + if (rep.length) { + if (! + (*clientDriverName = + (char *) Xcalloc(rep.clientDriverNameLength + 1, 1))) { + _XEatData(dpy, ((rep.clientDriverNameLength + 3) & ~3)); + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetClientDriverName... return False"); + return False; + } + _XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength); + } + else { + *clientDriverName = NULL; + } + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetClientDriverName... return True"); + return True; } -PUBLIC Bool XF86DRICreateContextWithConfig(dpy, screen, configID, context, - hHWContext) - Display* dpy; - int screen; - int configID; - XID* context; - drm_context_t * hHWContext; +PUBLIC Bool +XF86DRICreateContextWithConfig(Display * dpy, int screen, int configID, + XID * context, drm_context_t * hHWContext) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRICreateContextReply rep; - xXF86DRICreateContextReq *req; - - TRACE("CreateContext..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRICreateContext, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRICreateContext; - req->visual = configID; - req->screen = screen; - *context = XAllocID(dpy); - req->context = *context; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("CreateContext... return False"); - return False; - } - *hHWContext = rep.hHWContext; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("CreateContext... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRICreateContextReply rep; + xXF86DRICreateContextReq *req; + + TRACE("CreateContext..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRICreateContext, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRICreateContext; + req->visual = configID; + req->screen = screen; + *context = XAllocID(dpy); + req->context = *context; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("CreateContext... return False"); + return False; + } + *hHWContext = rep.hHWContext; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("CreateContext... return True"); + return True; } -PUBLIC Bool XF86DRICreateContext(dpy, screen, visual, context, hHWContext) - Display* dpy; - int screen; - Visual* visual; - XID* context; - drm_context_t * hHWContext; +PUBLIC Bool +XF86DRICreateContext(Display * dpy, int screen, Visual * visual, + XID * context, drm_context_t * hHWContext) { - return XF86DRICreateContextWithConfig( dpy, screen, visual->visualid, - context, hHWContext ); + return XF86DRICreateContextWithConfig(dpy, screen, visual->visualid, + context, hHWContext); } -PUBLIC Bool XF86DRIDestroyContext(Display *dpy, int screen, - XID context ) +PUBLIC Bool +XF86DRIDestroyContext(Display * dpy, int screen, XID context) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIDestroyContextReq *req; - - TRACE("DestroyContext..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIDestroyContext, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIDestroyContext; - req->screen = screen; - req->context = context; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("DestroyContext... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIDestroyContextReq *req; + + TRACE("DestroyContext..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIDestroyContext, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIDestroyContext; + req->screen = screen; + req->context = context; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("DestroyContext... return True"); + return True; } -PUBLIC Bool XF86DRICreateDrawable(Display *dpy, int screen, - XID drawable, drm_drawable_t * hHWDrawable ) +PUBLIC Bool +XF86DRICreateDrawable(Display * dpy, int screen, + XID drawable, drm_drawable_t * hHWDrawable) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRICreateDrawableReply rep; - xXF86DRICreateDrawableReq *req; - - TRACE("CreateDrawable..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRICreateDrawable, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRICreateDrawable; - req->screen = screen; - req->drawable = drawable; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("CreateDrawable... return False"); - return False; - } - *hHWDrawable = rep.hHWDrawable; - UnlockDisplay(dpy); - SyncHandle(); - TRACE("CreateDrawable... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRICreateDrawableReply rep; + xXF86DRICreateDrawableReq *req; + + TRACE("CreateDrawable..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRICreateDrawable, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRICreateDrawable; + req->screen = screen; + req->drawable = drawable; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("CreateDrawable... return False"); + return False; + } + *hHWDrawable = rep.hHWDrawable; + UnlockDisplay(dpy); + SyncHandle(); + TRACE("CreateDrawable... return True"); + return True; } -static int noopErrorHandler(Display *dpy, XErrorEvent *xerr) +static int +noopErrorHandler(Display * dpy, XErrorEvent * xerr) { - return 0; + return 0; } -PUBLIC Bool XF86DRIDestroyDrawable(Display *dpy, int screen, - XID drawable ) +PUBLIC Bool +XF86DRIDestroyDrawable(Display * dpy, int screen, XID drawable) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIDestroyDrawableReq *req; - int (*oldXErrorHandler)(Display *, XErrorEvent *); - - TRACE("DestroyDrawable..."); - XF86DRICheckExtension (dpy, info, False); - - /* This is called from the DRI driver, which used call it like this - * - * if (windowExists(drawable)) - * destroyDrawable(drawable); - * - * which is a textbook race condition - the window may disappear - * from the server between checking for its existance and - * destroying it. Instead we change the semantics of - * __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if - * the windows is gone, by wrapping the destroy call in an error - * handler. */ - - XSync(dpy, False); - oldXErrorHandler = XSetErrorHandler(noopErrorHandler); - - LockDisplay(dpy); - GetReq(XF86DRIDestroyDrawable, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIDestroyDrawable; - req->screen = screen; - req->drawable = drawable; - UnlockDisplay(dpy); - SyncHandle(); - - XSetErrorHandler(oldXErrorHandler); - - TRACE("DestroyDrawable... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIDestroyDrawableReq *req; + int (*oldXErrorHandler) (Display *, XErrorEvent *); + + TRACE("DestroyDrawable..."); + XF86DRICheckExtension(dpy, info, False); + + /* This is called from the DRI driver, which used call it like this + * + * if (windowExists(drawable)) + * destroyDrawable(drawable); + * + * which is a textbook race condition - the window may disappear + * from the server between checking for its existance and + * destroying it. Instead we change the semantics of + * __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if + * the windows is gone, by wrapping the destroy call in an error + * handler. */ + + XSync(dpy, False); + oldXErrorHandler = XSetErrorHandler(noopErrorHandler); + + LockDisplay(dpy); + GetReq(XF86DRIDestroyDrawable, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIDestroyDrawable; + req->screen = screen; + req->drawable = drawable; + UnlockDisplay(dpy); + SyncHandle(); + + XSetErrorHandler(oldXErrorHandler); + + TRACE("DestroyDrawable... return True"); + return True; } -PUBLIC Bool XF86DRIGetDrawableInfo(Display* dpy, int screen, Drawable drawable, - unsigned int* index, unsigned int* stamp, - int* X, int* Y, int* W, int* H, - int* numClipRects, drm_clip_rect_t ** pClipRects, - int* backX, int* backY, - int* numBackClipRects, drm_clip_rect_t ** pBackClipRects ) +PUBLIC Bool +XF86DRIGetDrawableInfo(Display * dpy, int screen, Drawable drawable, + unsigned int *index, unsigned int *stamp, + int *X, int *Y, int *W, int *H, + int *numClipRects, drm_clip_rect_t ** pClipRects, + int *backX, int *backY, + int *numBackClipRects, + drm_clip_rect_t ** pBackClipRects) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIGetDrawableInfoReply rep; - xXF86DRIGetDrawableInfoReq *req; - int total_rects; - - TRACE("GetDrawableInfo..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIGetDrawableInfo, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIGetDrawableInfo; - req->screen = screen; - req->drawable = drawable; - - if (!_XReply(dpy, (xReply *)&rep, 1, xFalse)) - { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDrawableInfo... return False"); - return False; - } - *index = rep.drawableTableIndex; - *stamp = rep.drawableTableStamp; - *X = (int)rep.drawableX; - *Y = (int)rep.drawableY; - *W = (int)rep.drawableWidth; - *H = (int)rep.drawableHeight; - *numClipRects = rep.numClipRects; - total_rects = *numClipRects; - - *backX = rep.backX; - *backY = rep.backY; - *numBackClipRects = rep.numBackClipRects; - total_rects += *numBackClipRects; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIGetDrawableInfoReply rep; + xXF86DRIGetDrawableInfoReq *req; + int total_rects; + + TRACE("GetDrawableInfo..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIGetDrawableInfo, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIGetDrawableInfo; + req->screen = screen; + req->drawable = drawable; + + if (!_XReply(dpy, (xReply *) & rep, 1, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDrawableInfo... return False"); + return False; + } + *index = rep.drawableTableIndex; + *stamp = rep.drawableTableStamp; + *X = (int) rep.drawableX; + *Y = (int) rep.drawableY; + *W = (int) rep.drawableWidth; + *H = (int) rep.drawableHeight; + *numClipRects = rep.numClipRects; + total_rects = *numClipRects; + + *backX = rep.backX; + *backY = rep.backY; + *numBackClipRects = rep.numBackClipRects; + total_rects += *numBackClipRects; #if 0 - /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks - * backwards compatibility (Because of the >> 2 shift) but the fix - * enables multi-threaded apps to work. - */ - if (rep.length != ((((SIZEOF(xXF86DRIGetDrawableInfoReply) - - SIZEOF(xGenericReply) + - total_rects * sizeof(drm_clip_rect_t)) + 3) & ~3) >> 2)) { - _XEatData(dpy, rep.length); - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDrawableInfo... return False"); - return False; - } + /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks + * backwards compatibility (Because of the >> 2 shift) but the fix + * enables multi-threaded apps to work. + */ + if (rep.length != ((((SIZEOF(xXF86DRIGetDrawableInfoReply) - + SIZEOF(xGenericReply) + + total_rects * sizeof(drm_clip_rect_t)) + + 3) & ~3) >> 2)) { + _XEatData(dpy, rep.length); + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDrawableInfo... return False"); + return False; + } #endif - if (*numClipRects) { - int len = sizeof(drm_clip_rect_t) * (*numClipRects); - - *pClipRects = (drm_clip_rect_t *)Xcalloc(len, 1); - if (*pClipRects) - _XRead(dpy, (char*)*pClipRects, len); - } else { - *pClipRects = NULL; - } - - if (*numBackClipRects) { - int len = sizeof(drm_clip_rect_t) * (*numBackClipRects); - - *pBackClipRects = (drm_clip_rect_t *)Xcalloc(len, 1); - if (*pBackClipRects) - _XRead(dpy, (char*)*pBackClipRects, len); - } else { - *pBackClipRects = NULL; - } - - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDrawableInfo... return True"); - return True; + if (*numClipRects) { + int len = sizeof(drm_clip_rect_t) * (*numClipRects); + + *pClipRects = (drm_clip_rect_t *) Xcalloc(len, 1); + if (*pClipRects) + _XRead(dpy, (char *) *pClipRects, len); + } + else { + *pClipRects = NULL; + } + + if (*numBackClipRects) { + int len = sizeof(drm_clip_rect_t) * (*numBackClipRects); + + *pBackClipRects = (drm_clip_rect_t *) Xcalloc(len, 1); + if (*pBackClipRects) + _XRead(dpy, (char *) *pBackClipRects, len); + } + else { + *pBackClipRects = NULL; + } + + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDrawableInfo... return True"); + return True; } -PUBLIC Bool XF86DRIGetDeviceInfo(dpy, screen, hFrameBuffer, - fbOrigin, fbSize, fbStride, devPrivateSize, pDevPrivate) - Display* dpy; - int screen; - drm_handle_t * hFrameBuffer; - int* fbOrigin; - int* fbSize; - int* fbStride; - int* devPrivateSize; - void** pDevPrivate; +PUBLIC Bool +XF86DRIGetDeviceInfo(Display * dpy, int screen, drm_handle_t * hFrameBuffer, + int *fbOrigin, int *fbSize, int *fbStride, + int *devPrivateSize, void **pDevPrivate) { - XExtDisplayInfo *info = find_display (dpy); - xXF86DRIGetDeviceInfoReply rep; - xXF86DRIGetDeviceInfoReq *req; - - TRACE("GetDeviceInfo..."); - XF86DRICheckExtension (dpy, info, False); - - LockDisplay(dpy); - GetReq(XF86DRIGetDeviceInfo, req); - req->reqType = info->codes->major_opcode; - req->driReqType = X_XF86DRIGetDeviceInfo; - req->screen = screen; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDeviceInfo... return False"); - return False; - } - - *hFrameBuffer = rep.hFrameBufferLow; - if (sizeof(drm_handle_t) == 8) { - int shift = 32; /* var to prevent warning on next line */ - *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift; - } - - *fbOrigin = rep.framebufferOrigin; - *fbSize = rep.framebufferSize; - *fbStride = rep.framebufferStride; - *devPrivateSize = rep.devPrivateSize; - - if (rep.length) { - if (!(*pDevPrivate = (void *)Xcalloc(rep.devPrivateSize, 1))) { - _XEatData(dpy, ((rep.devPrivateSize+3) & ~3)); - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDeviceInfo... return False"); - return False; - } - _XRead(dpy, (char*)*pDevPrivate, rep.devPrivateSize); - } else { - *pDevPrivate = NULL; - } - - UnlockDisplay(dpy); - SyncHandle(); - TRACE("GetDeviceInfo... return True"); - return True; + XExtDisplayInfo *info = find_display(dpy); + xXF86DRIGetDeviceInfoReply rep; + xXF86DRIGetDeviceInfoReq *req; + + TRACE("GetDeviceInfo..."); + XF86DRICheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(XF86DRIGetDeviceInfo, req); + req->reqType = info->codes->major_opcode; + req->driReqType = X_XF86DRIGetDeviceInfo; + req->screen = screen; + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDeviceInfo... return False"); + return False; + } + + *hFrameBuffer = rep.hFrameBufferLow; + if (sizeof(drm_handle_t) == 8) { + int shift = 32; /* var to prevent warning on next line */ + *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift; + } + + *fbOrigin = rep.framebufferOrigin; + *fbSize = rep.framebufferSize; + *fbStride = rep.framebufferStride; + *devPrivateSize = rep.devPrivateSize; + + if (rep.length) { + if (!(*pDevPrivate = (void *) Xcalloc(rep.devPrivateSize, 1))) { + _XEatData(dpy, ((rep.devPrivateSize + 3) & ~3)); + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDeviceInfo... return False"); + return False; + } + _XRead(dpy, (char *) *pDevPrivate, rep.devPrivateSize); + } + else { + *pDevPrivate = NULL; + } + + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDeviceInfo... return True"); + return True; } -PUBLIC Bool XF86DRIOpenFullScreen(dpy, screen, drawable) - Display* dpy; - int screen; - Drawable drawable; +PUBLIC Bool +XF86DRIOpenFullScreen(Display * dpy, int screen, Drawable drawable) { - /* This function and the underlying X protocol are deprecated. - */ - (void) dpy; - (void) screen; - (void) drawable; - return False; + /* This function and the underlying X protocol are deprecated. + */ + (void) dpy; + (void) screen; + (void) drawable; + return False; } -PUBLIC Bool XF86DRICloseFullScreen(dpy, screen, drawable) - Display* dpy; - int screen; - Drawable drawable; +PUBLIC Bool +XF86DRICloseFullScreen(Display * dpy, int screen, Drawable drawable) { - /* This function and the underlying X protocol are deprecated. - */ - (void) dpy; - (void) screen; - (void) drawable; - return True; + /* This function and the underlying X protocol are deprecated. + */ + (void) dpy; + (void) screen; + (void) drawable; + return True; } #endif /* GLX_DIRECT_RENDERING */ |