diff options
Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/XF86dri.c')
| -rw-r--r-- | xorg-server/hw/kdrive/ephyr/XF86dri.c | 1275 |
1 files changed, 647 insertions, 628 deletions
diff --git a/xorg-server/hw/kdrive/ephyr/XF86dri.c b/xorg-server/hw/kdrive/ephyr/XF86dri.c index 247580e0a..74bf67678 100644 --- a/xorg-server/hw/kdrive/ephyr/XF86dri.c +++ b/xorg-server/hw/kdrive/ephyr/XF86dri.c @@ -1,628 +1,647 @@ -/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */
-/**************************************************************************
-
-Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
-Copyright 2000 VA Linux Systems, Inc.
-All Rights Reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sub license, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice (including the
-next paragraph) shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
-ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-**************************************************************************/
-
-/*
- * Authors:
- * Kevin E. Martin <martin@valinux.com>
- * Jens Owen <jens@tungstengraphics.com>
- * Rickard E. (Rik) Faith <faith@valinux.com>
- *
- */
-
-/*
- * This file has been copied from the mesa source tree and a little bit
- * modified by:
- *
- * Dodji Seketeli <dodji@openedhand.com>
- */
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-/*
- * including some server headers (like kdrive-config.h)
- * might define the macro _XSERVER64
- * on 64 bits machines. That macro must _NOT_ be defined for Xlib
- * client code, otherwise bad things happen.
- * So let's undef that macro if necessary.
- */
-#ifdef _XSERVER64
-#undef _XSERVER64
-#endif
-
-/* THIS IS NOT AN X CONSORTIUM STANDARD */
-
-#include <X11/Xlibint.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-#include <GL/glx.h>
-#include "xf86dri.h"
-#include <X11/dri/xf86driproto.h>
-
-static XExtensionInfo _xf86dri_info_data;
-static XExtensionInfo *xf86dri_info = &_xf86dri_info_data;
-static char xf86dri_extension_name[] = XF86DRINAME;
-
-#define XF86DRICheckExtension(dpy,i,val) \
- XextCheckExtension (dpy, i, xf86dri_extension_name, val)
-
-/*****************************************************************************
- * *
- * private utility routines *
- * *
- *****************************************************************************/
-
-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 */
-};
-
-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)
-
-
-/*****************************************************************************
- * *
- * public XFree86-DRI Extension routines *
- * *
- *****************************************************************************/
-
-#if 0
-#include <stdio.h>
-#define TRACE(msg) fprintf(stderr,"XF86DRI%s\n", msg);
-#else
-#define TRACE(msg)
-#endif
-
-Bool XF86DRIOpenFullScreen(Display *dpy, int screen, Drawable drawable);
-Bool XF86DRICloseFullScreen(Display *dpy, int screen, Drawable drawable);
-
-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;
- }
-}
-
-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;
-}
-
-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;
-}
-
-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 *)calloc(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;
-}
-
-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;
-}
-
-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;
-}
-
-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 *)calloc(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;
-}
-
-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;
-}
-
-Bool XF86DRICreateContext(Display *dpy, int screen, Visual *visual,
- XID *context, drm_context_t *hHWContext)
-{
- return XF86DRICreateContextWithConfig( dpy, screen, visual->visualid,
- context, hHWContext );
-}
-
-GLboolean 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;
-}
-
-GLboolean
-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;
-}
-
-static int noopErrorHandler(Display *dpy, XErrorEvent *xerr)
-{
- return 0;
-}
-
-GLboolean 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, GL_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;
-}
-
-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=NULL;
- 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;
- }
-#endif
-
- if (*numClipRects) {
- int len = sizeof(drm_clip_rect_t) * (*numClipRects);
-
- *pClipRects = (drm_clip_rect_t *)calloc(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 *)calloc(len, 1);
- if (*pBackClipRects)
- _XRead(dpy, (char*)*pBackClipRects, len);
- } else {
- *pBackClipRects = NULL;
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetDrawableInfo... return True");
- return True;
-}
-
-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 *)calloc(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;
-}
-
-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;
-}
-
-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;
-}
+/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */ +/************************************************************************** + +Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +Copyright 2000 VA Linux Systems, Inc. +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sub license, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR +ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Jens Owen <jens@tungstengraphics.com> + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +/* + * This file has been copied from the mesa source tree and a little bit + * modified by: + * + * Dodji Seketeli <dodji@openedhand.com> + */ + +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +/* + * including some server headers (like kdrive-config.h) + * might define the macro _XSERVER64 + * on 64 bits machines. That macro must _NOT_ be defined for Xlib + * client code, otherwise bad things happen. + * So let's undef that macro if necessary. + */ +#ifdef _XSERVER64 +#undef _XSERVER64 +#endif + +/* THIS IS NOT AN X CONSORTIUM STANDARD */ + +#include <X11/Xlibint.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <GL/glx.h> +#include "xf86dri.h" +#include <X11/dri/xf86driproto.h> + +static XExtensionInfo _xf86dri_info_data; +static XExtensionInfo *xf86dri_info = &_xf86dri_info_data; +static char xf86dri_extension_name[] = XF86DRINAME; + +#define XF86DRICheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, xf86dri_extension_name, val) + +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ + +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 */ +}; + +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) + +/***************************************************************************** + * * + * public XFree86-DRI Extension routines * + * * + *****************************************************************************/ +#if 0 +#include <stdio.h> +#define TRACE(msg) fprintf(stderr,"XF86DRI%s\n", msg); +#else +#define TRACE(msg) +#endif +Bool +XF86DRIOpenFullScreen(Display * dpy, int screen, Drawable drawable); +Bool +XF86DRICloseFullScreen(Display * dpy, int screen, Drawable drawable); + +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; + } +} + +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; +} + +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; +} + +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 *) calloc(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; +} + +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; +} + +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; +} + +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 *) calloc(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; +} + +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; +} + +Bool +XF86DRICreateContext(Display * dpy, int screen, Visual * visual, + XID *context, drm_context_t * hHWContext) +{ + return XF86DRICreateContextWithConfig(dpy, screen, visual->visualid, + context, hHWContext); +} + +GLboolean +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; +} + +GLboolean +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; +} + +static int +noopErrorHandler(Display * dpy, XErrorEvent * xerr) +{ + return 0; +} + +GLboolean +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, GL_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; +} + +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 = NULL; + 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; + } +#endif + + if (*numClipRects) { + int len = sizeof(drm_clip_rect_t) * (*numClipRects); + + *pClipRects = (drm_clip_rect_t *) calloc(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 *) calloc(len, 1); + if (*pBackClipRects) + _XRead(dpy, (char *) *pBackClipRects, len); + } + else { + *pBackClipRects = NULL; + } + + UnlockDisplay(dpy); + SyncHandle(); + TRACE("GetDrawableInfo... return True"); + return True; +} + +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 *) calloc(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; +} + +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; +} + +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; +} |