* *
*****************************************************************************/
-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)
/*****************************************************************************
* public XFree86-DRI Extension routines *
* *
*****************************************************************************/
-
#if 0
#include <stdio.h>
#define TRACE(msg) fprintf(stderr,"XF86DRI%s\n", msg);
#define TRACE(msg)
#endif
-
-PUBLIC Bool XF86DRIQueryExtension (Display* dpy, int* event_basep, int* 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(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(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(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(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(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(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(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(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(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(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(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 */
projects / mesa.git / commitdiff