Retire miniglx and move the actual glx code up to src/glx

1 files changed, 637 insertions, 0 deletions

diff --git a/src/glx/XF86dri.c b/src/glx/XF86dri.c
new file mode 100644
index 0000000000..248d96ac5d
--- /dev/null
+++ b/src/glx/XF86dri.c
@@ -0,0 +1,637 @@
+/**************************************************************************
+
+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 */
+
+#ifdef GLX_DIRECT_RENDERING
+
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include "xf86dristr.h"
+
+
+#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
+#  define PUBLIC __attribute__((visibility("default")))
+#  define USED __attribute__((used))
+#else
+#  define PUBLIC
+#  define USED
+#endif
+
+
+
+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
+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 *) 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
+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 *) 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
+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);
+}
+
+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;
+}
+
+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;
+}
+
+static int
+noopErrorHandler(Display * dpy, XErrorEvent * xerr)
+{
+   return 0;
+}
+
+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;
+}
+
+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;
+
+#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
+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;
+}
+
+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;
+}
+
+#endif /* GLX_DIRECT_RENDERING */