+++ /dev/null
-/**************************************************************************
-
-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 */
-
-#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 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
-
-#define PUBLIC
-
-PUBLIC Bool XF86DRIQueryExtension (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;
- }
-}
-
-PUBLIC Bool XF86DRIQueryVersion(dpy, majorVersion, minorVersion, patchVersion)
- 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;
-}
-
-PUBLIC Bool XF86DRIQueryDirectRenderingCapable(dpy, screen, isCapable)
- 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;
-}
-
-PUBLIC Bool XF86DRIOpenConnection(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...");
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRIOpenConnection, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRIOpenConnection;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("OpenConnection... return False");
- return False;
- }
-
- *hSAREA = rep.hSAREALow;
- if (sizeof(drm_handle_t) == 8) {
- int shift = 32; /* var to prevent warning on next line */
- *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift;
- }
-
- if (rep.length) {
- if (!(*busIdString = (char *)Xcalloc(rep.busIdStringLength + 1, 1))) {
- _XEatData(dpy, ((rep.busIdStringLength+3) & ~3));
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("OpenConnection... return False");
- return False;
- }
- _XReadPad(dpy, *busIdString, rep.busIdStringLength);
- } else {
- *busIdString = NULL;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("OpenConnection... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRIAuthConnection(dpy, screen, magic)
- Display* dpy;
- int screen;
- drm_magic_t magic;
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRIAuthConnectionReq *req;
- xXF86DRIAuthConnectionReply rep;
-
- TRACE("AuthConnection...");
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRIAuthConnection, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRIAuthConnection;
- req->screen = screen;
- req->magic = magic;
- rep.authenticated = 0;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse) || !rep.authenticated) {
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("AuthConnection... return False");
- return False;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("AuthConnection... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRICloseConnection(dpy, screen)
- Display* dpy;
- int screen;
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRICloseConnectionReq *req;
-
- TRACE("CloseConnection...");
-
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRICloseConnection, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRICloseConnection;
- req->screen = screen;
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("CloseConnection... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRIGetClientDriverName(dpy, screen, ddxDriverMajorVersion,
- ddxDriverMinorVersion, ddxDriverPatchVersion, clientDriverName)
- Display* dpy;
- int screen;
- int* ddxDriverMajorVersion;
- int* ddxDriverMinorVersion;
- int* ddxDriverPatchVersion;
- char** clientDriverName;
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRIGetClientDriverNameReply rep;
- xXF86DRIGetClientDriverNameReq *req;
-
- TRACE("GetClientDriverName...");
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRIGetClientDriverName, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRIGetClientDriverName;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetClientDriverName... return False");
- return False;
- }
-
- *ddxDriverMajorVersion = rep.ddxDriverMajorVersion;
- *ddxDriverMinorVersion = rep.ddxDriverMinorVersion;
- *ddxDriverPatchVersion = rep.ddxDriverPatchVersion;
-
- if (rep.length) {
- if (!(*clientDriverName = (char *)Xcalloc(rep.clientDriverNameLength + 1, 1))) {
- _XEatData(dpy, ((rep.clientDriverNameLength+3) & ~3));
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetClientDriverName... return False");
- return False;
- }
- _XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength);
- } else {
- *clientDriverName = NULL;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetClientDriverName... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRICreateContextWithConfig(dpy, screen, configID, context,
- hHWContext)
- Display* dpy;
- int screen;
- int configID;
- XID* context;
- drm_context_t * hHWContext;
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRICreateContextReply rep;
- xXF86DRICreateContextReq *req;
-
- TRACE("CreateContext...");
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRICreateContext, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRICreateContext;
- req->visual = configID;
- req->screen = screen;
- *context = XAllocID(dpy);
- req->context = *context;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("CreateContext... return False");
- return False;
- }
- *hHWContext = rep.hHWContext;
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("CreateContext... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRICreateContext(dpy, screen, visual, context, hHWContext)
- Display* dpy;
- int screen;
- Visual* visual;
- XID* context;
- drm_context_t * hHWContext;
-{
- return XF86DRICreateContextWithConfig( dpy, screen, visual->visualid,
- context, hHWContext );
-}
-
-PUBLIC Bool XF86DRIDestroyContext( Display * ndpy, int screen,
- XID context )
-{
- Display * const dpy = (Display *) ndpy;
- 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 * 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...");
- 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;
-}
-
-PUBLIC Bool XF86DRIDestroyDrawable( Display * ndpy, int screen,
- Drawable drawable )
-{
- Display * const dpy = (Display *) ndpy;
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRIDestroyDrawableReq *req;
-
- TRACE("DestroyDrawable...");
- XF86DRICheckExtension (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;
-}
-
-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;
-
-#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;
-}
-
-PUBLIC Bool XF86DRIGetDeviceInfo(dpy, screen, hFrameBuffer,
- fbOrigin, fbSize, fbStride, devPrivateSize, pDevPrivate)
- Display* dpy;
- int screen;
- drm_handle_t * hFrameBuffer;
- int* fbOrigin;
- int* fbSize;
- int* fbStride;
- int* devPrivateSize;
- void** pDevPrivate;
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXF86DRIGetDeviceInfoReply rep;
- xXF86DRIGetDeviceInfoReq *req;
-
- TRACE("GetDeviceInfo...");
- XF86DRICheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DRIGetDeviceInfo, req);
- req->reqType = info->codes->major_opcode;
- req->driReqType = X_XF86DRIGetDeviceInfo;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetDeviceInfo... return False");
- return False;
- }
-
- *hFrameBuffer = rep.hFrameBufferLow;
- if (sizeof(drm_handle_t) == 8) {
- int shift = 32; /* var to prevent warning on next line */
- *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift;
- }
-
- *fbOrigin = rep.framebufferOrigin;
- *fbSize = rep.framebufferSize;
- *fbStride = rep.framebufferStride;
- *devPrivateSize = rep.devPrivateSize;
-
- if (rep.length) {
- if (!(*pDevPrivate = (void *)Xcalloc(rep.devPrivateSize, 1))) {
- _XEatData(dpy, ((rep.devPrivateSize+3) & ~3));
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetDeviceInfo... return False");
- return False;
- }
- _XRead(dpy, (char*)*pDevPrivate, rep.devPrivateSize);
- } else {
- *pDevPrivate = NULL;
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
- TRACE("GetDeviceInfo... return True");
- return True;
-}
-
-PUBLIC Bool XF86DRIOpenFullScreen(dpy, screen, drawable)
- Display* dpy;
- int screen;
- Drawable drawable;
-{
- /* This function and the underlying X protocol are deprecated.
- */
- (void) dpy;
- (void) screen;
- (void) drawable;
- return False;
-}
-
-PUBLIC Bool XF86DRICloseFullScreen(dpy, screen, drawable)
- Display* dpy;
- int screen;
- Drawable drawable;
-{
- /* This function and the underlying X protocol are deprecated.
- */
- (void) dpy;
- (void) screen;
- (void) drawable;
- return True;
-}
-
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