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-rw-r--r--trunk/libxvmc/xf86dri.c599
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diff --git a/trunk/libxvmc/xf86dri.c b/trunk/libxvmc/xf86dri.c
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index 000000000000..1feb23297de6
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+++ b/trunk/libxvmc/xf86dri.c
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+/* $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 IS NOT AN X CONSORTIUM STANDARD */
+
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include "xf86dristr.h"
+
+static XExtensionInfo _xf86dri_info_data;
+static XExtensionInfo *xf86dri_info = &_xf86dri_info_data;
+static char xf86dri_extension_name[] = XF86DRINAME;
+
+#define uniDRICheckExtension(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,"uniDRI%s\n", msg);
+#else
+#define TRACE(msg)
+#endif
+ Bool uniDRIQueryExtension(dpy, event_basep, error_basep)
+ Display *dpy;
+ int *event_basep, *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
+uniDRIQueryVersion(dpy, majorVersion, minorVersion, patchVersion)
+ Display *dpy;
+ int *majorVersion;
+ int *minorVersion;
+ int *patchVersion;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIQueryVersionReply rep;
+ xXF86DRIQueryVersionReq *req;
+
+ TRACE("QueryVersion...");
+ uniDRICheckExtension(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
+uniDRIQueryDirectRenderingCapable(dpy, screen, isCapable)
+ Display *dpy;
+ int screen;
+ Bool *isCapable;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIQueryDirectRenderingCapableReply rep;
+ xXF86DRIQueryDirectRenderingCapableReq *req;
+
+ TRACE("QueryDirectRenderingCapable...");
+ uniDRICheckExtension(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
+uniDRIOpenConnection(dpy, screen, hSAREA, busIdString)
+ Display *dpy;
+ int screen;
+ drm_handle_t *hSAREA;
+ char **busIdString;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIOpenConnectionReply rep;
+ xXF86DRIOpenConnectionReq *req;
+
+ TRACE("OpenConnection...");
+ uniDRICheckExtension(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;
+#ifdef LONG64
+ if (sizeof(drm_handle_t) == 8) {
+ *hSAREA |= ((unsigned long)rep.hSAREAHigh) << 32;
+ }
+#endif
+ 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;
+}
+
+Bool
+uniDRIAuthConnection(dpy, screen, magic)
+ Display *dpy;
+ int screen;
+ drm_magic_t magic;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIAuthConnectionReq *req;
+ xXF86DRIAuthConnectionReply rep;
+
+ TRACE("AuthConnection...");
+ uniDRICheckExtension(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
+uniDRICloseConnection(dpy, screen)
+ Display *dpy;
+ int screen;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRICloseConnectionReq *req;
+
+ TRACE("CloseConnection...");
+
+ uniDRICheckExtension(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
+uniDRIGetClientDriverName(dpy, screen, ddxDriverMajorVersion,
+ ddxDriverMinorVersion, ddxDriverPatchVersion, clientDriverName)
+ Display *dpy;
+ int screen;
+ int *ddxDriverMajorVersion;
+ int *ddxDriverMinorVersion;
+ int *ddxDriverPatchVersion;
+ char **clientDriverName;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIGetClientDriverNameReply rep;
+ xXF86DRIGetClientDriverNameReq *req;
+
+ TRACE("GetClientDriverName...");
+ uniDRICheckExtension(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;
+}
+
+Bool
+uniDRICreateContextWithConfig(dpy, screen, configID, context, hHWContext)
+ Display *dpy;
+ int screen;
+ int configID;
+ XID *context;
+ drm_context_t *hHWContext;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRICreateContextReply rep;
+ xXF86DRICreateContextReq *req;
+
+ TRACE("CreateContext...");
+ uniDRICheckExtension(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
+uniDRICreateContext(dpy, screen, visual, context, hHWContext)
+ Display *dpy;
+ int screen;
+ Visual *visual;
+ XID *context;
+ drm_context_t *hHWContext;
+{
+ return uniDRICreateContextWithConfig(dpy, screen, visual->visualid,
+ context, hHWContext);
+}
+
+Bool
+uniDRIDestroyContext(Display * ndpy, int screen, XID context)
+{
+ Display *const dpy = (Display *) ndpy;
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIDestroyContextReq *req;
+
+ TRACE("DestroyContext...");
+ uniDRICheckExtension(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;
+}
+
+Bool
+uniDRICreateDrawable(Display * ndpy, int screen,
+ Drawable drawable, drm_drawable_t * hHWDrawable)
+{
+ Display *const dpy = (Display *) ndpy;
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRICreateDrawableReply rep;
+ xXF86DRICreateDrawableReq *req;
+
+ TRACE("CreateDrawable...");
+ uniDRICheckExtension(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;
+}
+
+Bool
+uniDRIDestroyDrawable(Display * ndpy, int screen, Drawable drawable)
+{
+ Display *const dpy = (Display *) ndpy;
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIDestroyDrawableReq *req;
+
+ TRACE("DestroyDrawable...");
+ uniDRICheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(XF86DRIDestroyDrawable, req);
+ req->reqType = info->codes->major_opcode;
+ req->driReqType = X_XF86DRIDestroyDrawable;
+ req->screen = screen;
+ req->drawable = drawable;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ TRACE("DestroyDrawable... return True");
+ return True;
+}
+
+Bool
+uniDRIGetDrawableInfo(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...");
+ uniDRICheckExtension(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 *) 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;
+}
+
+Bool
+uniDRIGetDeviceInfo(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;
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xXF86DRIGetDeviceInfoReply rep;
+ xXF86DRIGetDeviceInfoReq *req;
+
+ TRACE("GetDeviceInfo...");
+ uniDRICheckExtension(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;
+#ifdef LONG64
+ if (sizeof(drm_handle_t) == 8) {
+ *hFrameBuffer |= ((unsigned long)rep.hFrameBufferHigh) << 32;
+ }
+#endif
+
+ *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;
+}
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