From fd1f4d9fe3ea67fa6def8ee4927a8f71e0440f12 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 10 Aug 2011 08:38:53 +0200 Subject: mesa xserver git update 10 aug 2011 --- xorg-server/hw/kdrive/ephyr/ephyrdriext.c | 2830 +++++++++++++++-------------- 1 file changed, 1417 insertions(+), 1413 deletions(-) (limited to 'xorg-server/hw/kdrive/ephyr/ephyrdriext.c') diff --git a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c index 6db06fca7..0bd51b2c7 100644 --- a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c +++ b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c @@ -1,1413 +1,1417 @@ -/* - * Xephyr - A kdrive X server thats runs in a host X window. - * Authored by Matthew Allum - * - * Copyright © 2007 OpenedHand Ltd - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of OpenedHand Ltd not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. OpenedHand Ltd makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * - * This file is heavily copied from hw/xfree86/dri/xf86dri.c - * - * Authors: - * Dodji Seketeli - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include - -#include -#include -#define _XF86DRI_SERVER_ -#include -#include -#include "misc.h" -#include "privates.h" -#include "dixstruct.h" -#include "extnsionst.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "servermd.h" -#include "swaprep.h" -#include "ephyrdri.h" -#include "ephyrdriext.h" -#include "hostx.h" -#define _HAVE_XALLOC_DECLS -#include "ephyrlog.h" -#include "protocol-versions.h" - -typedef struct { - int foo; -} EphyrDRIWindowPrivRec; -typedef EphyrDRIWindowPrivRec* EphyrDRIWindowPrivPtr; - -typedef struct { - CreateWindowProcPtr CreateWindow ; - DestroyWindowProcPtr DestroyWindow ; - MoveWindowProcPtr MoveWindow ; - PositionWindowProcPtr PositionWindow ; - ClipNotifyProcPtr ClipNotify ; -} EphyrDRIScreenPrivRec; -typedef EphyrDRIScreenPrivRec* EphyrDRIScreenPrivPtr; - -static int DRIErrorBase; - - - -static Bool ephyrDRIScreenInit (ScreenPtr a_screen) ; -static Bool ephyrDRICreateWindow (WindowPtr a_win) ; -static Bool ephyrDRIDestroyWindow (WindowPtr a_win) ; -static void ephyrDRIMoveWindow (WindowPtr a_win, - int a_x, int a_y, - WindowPtr a_siblings, - VTKind a_kind); -static Bool ephyrDRIPositionWindow (WindowPtr a_win, - int x, int y) ; -static void ephyrDRIClipNotify (WindowPtr a_win, - int a_x, int a_y) ; - -static Bool EphyrMirrorHostVisuals (ScreenPtr a_screen) ; -static Bool destroyHostPeerWindow (const WindowPtr a_win) ; -static Bool findWindowPairFromLocal (WindowPtr a_local, - EphyrWindowPair **a_pair); - -static unsigned char DRIReqCode = 0; - -static DevPrivateKeyRec ephyrDRIWindowKeyRec; -#define ephyrDRIWindowKey (&ephyrDRIWindowKeyRec) -static DevPrivateKeyRec ephyrDRIScreenKeyRec; -#define ephyrDRIScreenKey (&ephyrDRIScreenKeyRec) - -#define GET_EPHYR_DRI_WINDOW_PRIV(win) ((EphyrDRIWindowPrivPtr) \ - dixLookupPrivate(&(win)->devPrivates, ephyrDRIWindowKey)) -#define GET_EPHYR_DRI_SCREEN_PRIV(screen) ((EphyrDRIScreenPrivPtr) \ - dixLookupPrivate(&(screen)->devPrivates, ephyrDRIScreenKey)) - -static Bool -ephyrDRIScreenInit (ScreenPtr a_screen) -{ - Bool is_ok=FALSE ; - EphyrDRIScreenPrivPtr screen_priv=NULL ; - - EPHYR_RETURN_VAL_IF_FAIL (a_screen, FALSE) ; - - screen_priv=GET_EPHYR_DRI_SCREEN_PRIV (a_screen) ; - EPHYR_RETURN_VAL_IF_FAIL (screen_priv, FALSE) ; - - screen_priv->CreateWindow = a_screen->CreateWindow ; - screen_priv->DestroyWindow = a_screen->DestroyWindow ; - screen_priv->MoveWindow = a_screen->MoveWindow ; - screen_priv->PositionWindow = a_screen->PositionWindow ; - screen_priv->ClipNotify = a_screen->ClipNotify ; - - a_screen->CreateWindow = ephyrDRICreateWindow ; - a_screen->DestroyWindow = ephyrDRIDestroyWindow ; - a_screen->MoveWindow = ephyrDRIMoveWindow ; - a_screen->PositionWindow = ephyrDRIPositionWindow ; - a_screen->ClipNotify = ephyrDRIClipNotify ; - - is_ok = TRUE ; - - return is_ok ; -} - -static Bool -ephyrDRICreateWindow (WindowPtr a_win) -{ - Bool is_ok=FALSE ; - ScreenPtr screen=NULL ; - EphyrDRIScreenPrivPtr screen_priv =NULL; - - EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; - screen = a_win->drawable.pScreen ; - EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; - screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; - EPHYR_RETURN_VAL_IF_FAIL (screen_priv - && screen_priv->CreateWindow, - FALSE) ; - - EPHYR_LOG ("enter. win:%p\n", a_win) ; - - screen->CreateWindow = screen_priv->CreateWindow ; - is_ok = (*screen->CreateWindow) (a_win) ; - screen->CreateWindow = ephyrDRICreateWindow ; - - if (is_ok) { - dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); - } - return is_ok ; -} - -static Bool -ephyrDRIDestroyWindow (WindowPtr a_win) -{ - Bool is_ok=FALSE ; - ScreenPtr screen=NULL ; - EphyrDRIScreenPrivPtr screen_priv =NULL; - - EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; - screen = a_win->drawable.pScreen ; - EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; - screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; - EPHYR_RETURN_VAL_IF_FAIL (screen_priv - && screen_priv->DestroyWindow, - FALSE) ; - - screen->DestroyWindow = screen_priv->DestroyWindow ; - if (screen->DestroyWindow) { - is_ok = (*screen->DestroyWindow) (a_win) ; - } - screen->DestroyWindow = ephyrDRIDestroyWindow ; - - if (is_ok) { - EphyrDRIWindowPrivPtr win_priv=GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; - if (win_priv) { - destroyHostPeerWindow (a_win) ; - free(win_priv) ; - dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); - EPHYR_LOG ("destroyed the remote peer window\n") ; - } - } - return is_ok ; -} - -static void -ephyrDRIMoveWindow (WindowPtr a_win, - int a_x, int a_y, - WindowPtr a_siblings, - VTKind a_kind) -{ - Bool is_ok=FALSE ; - ScreenPtr screen=NULL ; - EphyrDRIScreenPrivPtr screen_priv =NULL; - EphyrDRIWindowPrivPtr win_priv=NULL ; - EphyrWindowPair *pair=NULL ; - EphyrBox geo; - int x=0,y=0;/*coords relative to parent window*/ - - EPHYR_RETURN_IF_FAIL (a_win) ; - - EPHYR_LOG ("enter\n") ; - screen = a_win->drawable.pScreen ; - EPHYR_RETURN_IF_FAIL (screen) ; - screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; - EPHYR_RETURN_IF_FAIL (screen_priv - && screen_priv->MoveWindow) ; - - screen->MoveWindow = screen_priv->MoveWindow ; - if (screen->MoveWindow) { - (*screen->MoveWindow) (a_win, a_x, a_y, a_siblings, a_kind) ; - } - screen->MoveWindow = ephyrDRIMoveWindow ; - - EPHYR_LOG ("window: %p\n", a_win) ; - if (!a_win->parent) { - EPHYR_LOG ("cannot move root window\n") ; - is_ok = TRUE ; - goto out ; - } - win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; - if (!win_priv) { - EPHYR_LOG ("not a DRI peered window\n") ; - is_ok = TRUE ; - goto out ; - } - if (!findWindowPairFromLocal (a_win, &pair) || !pair) { - EPHYR_LOG_ERROR ("failed to get window pair\n") ; - goto out ; - } - /*compute position relative to parent window*/ - x = a_win->drawable.x - a_win->parent->drawable.x ; - y = a_win->drawable.y - a_win->parent->drawable.y ; - /*set the geometry to pass to hostx_set_window_geometry*/ - memset (&geo, 0, sizeof (geo)) ; - geo.x = x ; - geo.y = y ; - geo.width = a_win->drawable.width ; - geo.height = a_win->drawable.height ; - hostx_set_window_geometry (pair->remote, &geo) ; - is_ok = TRUE ; - -out: - EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; - /*do cleanup here*/ -} - -static Bool -ephyrDRIPositionWindow (WindowPtr a_win, - int a_x, int a_y) -{ - Bool is_ok=FALSE ; - ScreenPtr screen=NULL ; - EphyrDRIScreenPrivPtr screen_priv =NULL; - EphyrDRIWindowPrivPtr win_priv=NULL ; - EphyrWindowPair *pair=NULL ; - EphyrBox geo; - - EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; - - EPHYR_LOG ("enter\n") ; - screen = a_win->drawable.pScreen ; - EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; - screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; - EPHYR_RETURN_VAL_IF_FAIL (screen_priv - && screen_priv->PositionWindow, - FALSE) ; - - screen->PositionWindow = screen_priv->PositionWindow ; - if (screen->PositionWindow) { - (*screen->PositionWindow) (a_win, a_x, a_y) ; - } - screen->PositionWindow = ephyrDRIPositionWindow ; - - EPHYR_LOG ("window: %p\n", a_win) ; - win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; - if (!win_priv) { - EPHYR_LOG ("not a DRI peered window\n") ; - is_ok = TRUE ; - goto out ; - } - if (!findWindowPairFromLocal (a_win, &pair) || !pair) { - EPHYR_LOG_ERROR ("failed to get window pair\n") ; - goto out ; - } - /*set the geometry to pass to hostx_set_window_geometry*/ - memset (&geo, 0, sizeof (geo)) ; - geo.x = a_x ; - geo.y = a_y ; - geo.width = a_win->drawable.width ; - geo.height = a_win->drawable.height ; - hostx_set_window_geometry (pair->remote, &geo) ; - is_ok = TRUE ; - -out: - EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; - /*do cleanup here*/ - return is_ok ; -} - -static void -ephyrDRIClipNotify (WindowPtr a_win, - int a_x, int a_y) -{ - Bool is_ok=FALSE ; - ScreenPtr screen=NULL ; - EphyrDRIScreenPrivPtr screen_priv =NULL; - EphyrDRIWindowPrivPtr win_priv=NULL ; - EphyrWindowPair *pair=NULL ; - EphyrRect *rects=NULL; - int i=0 ; - - EPHYR_RETURN_IF_FAIL (a_win) ; - - EPHYR_LOG ("enter\n") ; - screen = a_win->drawable.pScreen ; - EPHYR_RETURN_IF_FAIL (screen) ; - screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; - EPHYR_RETURN_IF_FAIL (screen_priv && screen_priv->ClipNotify) ; - - screen->ClipNotify = screen_priv->ClipNotify ; - if (screen->ClipNotify) { - (*screen->ClipNotify) (a_win, a_x, a_y) ; - } - screen->ClipNotify = ephyrDRIClipNotify ; - - EPHYR_LOG ("window: %p\n", a_win) ; - win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; - if (!win_priv) { - EPHYR_LOG ("not a DRI peered window\n") ; - is_ok = TRUE ; - goto out ; - } - if (!findWindowPairFromLocal (a_win, &pair) || !pair) { - EPHYR_LOG_ERROR ("failed to get window pair\n") ; - goto out ; - } - rects = calloc(RegionNumRects (&a_win->clipList), - sizeof (EphyrRect)) ; - for (i=0; i < RegionNumRects (&a_win->clipList); i++) { - memmove (&rects[i], - &RegionRects (&a_win->clipList)[i], - sizeof (EphyrRect)) ; - rects[i].x1 -= a_win->drawable.x; - rects[i].x2 -= a_win->drawable.x; - rects[i].y1 -= a_win->drawable.y; - rects[i].y2 -= a_win->drawable.y; - } - /* - * push the clipping region of this window - * to the peer window in the host - */ - is_ok = hostx_set_window_bounding_rectangles - (pair->remote, - rects, - RegionNumRects (&a_win->clipList)) ; - is_ok = TRUE ; - -out: - free(rects) ; - rects = NULL ; - - EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; - /*do cleanup here*/ -} - -/** - * Duplicates a visual of a_screen - * In screen a_screen, for depth a_depth, find a visual which - * bitsPerRGBValue and colormap size equal - * a_bits_per_rgb_values and a_colormap_entries. - * The ID of that duplicated visual is set to a_new_id. - * That duplicated visual is then added to the list of visuals - * of the screen. - */ -static Bool -EphyrDuplicateVisual (unsigned int a_screen, - short a_depth, - short a_class, - short a_bits_per_rgb_values, - short a_colormap_entries, - unsigned int a_red_mask, - unsigned int a_green_mask, - unsigned int a_blue_mask, - unsigned int a_new_id) -{ - Bool is_ok = FALSE, found_visual=FALSE, found_depth=FALSE ; - ScreenPtr screen=NULL ; - VisualRec new_visual, *new_visuals=NULL ; - int i=0 ; - - EPHYR_LOG ("enter\n") ; - if (a_screen >= screenInfo.numScreens) { - EPHYR_LOG_ERROR ("bad screen number\n") ; - goto out; - } - memset (&new_visual, 0, sizeof (VisualRec)) ; - - /*get the screen pointed to by a_screen*/ - screen = screenInfo.screens[a_screen] ; - EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; - - /* - * In that screen, first look for an existing visual that has the - * same characteristics as those passed in parameter - * to this function and copy it. - */ - for (i=0; i < screen->numVisuals; i++) { - if (screen->visuals[i].bitsPerRGBValue == a_bits_per_rgb_values && - screen->visuals[i].ColormapEntries == a_colormap_entries ) { - /*copy the visual found*/ - memcpy (&new_visual, &screen->visuals[i], sizeof (new_visual)) ; - new_visual.vid = a_new_id ; - new_visual.class = a_class ; - new_visual.redMask = a_red_mask ; - new_visual.greenMask = a_green_mask ; - new_visual.blueMask = a_blue_mask ; - found_visual = TRUE ; - EPHYR_LOG ("found a visual that matches visual id: %d\n", - a_new_id) ; - break; - } - } - if (!found_visual) { - EPHYR_LOG ("did not find any visual matching %d\n", a_new_id) ; - goto out ; - } - /* - * be prepare to extend screen->visuals to add new_visual to it - */ - new_visuals = calloc(screen->numVisuals+1, sizeof (VisualRec)) ; - memmove (new_visuals, - screen->visuals, - screen->numVisuals*sizeof (VisualRec)) ; - memmove (&new_visuals[screen->numVisuals], - &new_visual, - sizeof (VisualRec)) ; - /* - * Now, in that same screen, update the screen->allowedDepths member. - * In that array, each element represents the visuals applicable to - * a given depth. So we need to add an entry matching the new visual - * that we are going to add to screen->visuals - */ - for (i=0; inumDepths; i++) { - VisualID *vids=NULL; - DepthPtr cur_depth=NULL ; - /*find the entry matching a_depth*/ - if (screen->allowedDepths[i].depth != a_depth) - continue ; - cur_depth = &screen->allowedDepths[i]; - /* - * extend the list of visual IDs in that entry, - * so to add a_new_id in there. - */ - vids = realloc(cur_depth->vids, - (cur_depth->numVids+1)*sizeof (VisualID)); - if (!vids) { - EPHYR_LOG_ERROR ("failed to realloc numids\n") ; - goto out ; - } - vids[cur_depth->numVids] = a_new_id ; - /* - * Okay now commit our change. - * Do really update screen->allowedDepths[i] - */ - cur_depth->numVids++ ; - cur_depth->vids = vids ; - found_depth=TRUE; - } - if (!found_depth) { - EPHYR_LOG_ERROR ("failed to update screen[%d]->allowedDepth\n", - a_screen) ; - goto out ; - } - /* - * Commit our change to screen->visuals - */ - free(screen->visuals) ; - screen->visuals = new_visuals ; - screen->numVisuals++ ; - new_visuals = NULL ; - - is_ok = TRUE ; -out: - free(new_visuals) ; - new_visuals = NULL ; - - EPHYR_LOG ("leave\n") ; - return is_ok ; -} - -/** - * Duplicates the visuals of the host X server. - * This is necessary to have visuals that have the same - * ID as those of the host X. It is important to have that for - * GLX. - */ -static Bool -EphyrMirrorHostVisuals (ScreenPtr a_screen) -{ - Bool is_ok=FALSE; - EphyrHostVisualInfo *visuals=NULL; - int nb_visuals=0, i=0; - - EPHYR_LOG ("enter\n") ; - if (!hostx_get_visuals_info (&visuals, &nb_visuals)) { - EPHYR_LOG_ERROR ("failed to get host visuals\n") ; - goto out ; - } - for (i=0; imyNum, - visuals[i].depth, - visuals[i].class, - visuals[i].bits_per_rgb, - visuals[i].colormap_size, - visuals[i].red_mask, - visuals[i].green_mask, - visuals[i].blue_mask, - visuals[i].visualid)) { - EPHYR_LOG_ERROR ("failed to duplicate host visual %d\n", - (int)visuals[i].visualid) ; - } - } - - is_ok = TRUE ; -out: - EPHYR_LOG ("leave\n") ; - return is_ok; -} - - -static int -ProcXF86DRIQueryVersion (register ClientPtr client) -{ - xXF86DRIQueryVersionReply rep; - register int n; - REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); - - EPHYR_LOG ("enter\n") ; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION; - rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION; - rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION; - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - swapl(&rep.patchVersion, n); - } - WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client) -{ - xXF86DRIQueryDirectRenderingCapableReply rep; - Bool isCapable; - register int n; - REQUEST(xXF86DRIQueryDirectRenderingCapableReq); - REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if (!ephyrDRIQueryDirectRenderingCapable (stuff->screen, &isCapable)) { - return BadValue; - } - rep.isCapable = isCapable; - - if (!LocalClient(client) || client->swapped) - rep.isCapable = 0; - - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - } - - WriteToClient(client, sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep); - EPHYR_LOG ("leave\n") ; - - return Success; -} - -static int -ProcXF86DRIOpenConnection (register ClientPtr client) -{ - xXF86DRIOpenConnectionReply rep; - drm_handle_t hSAREA; - char* busIdString = NULL; - REQUEST(xXF86DRIOpenConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - if (!ephyrDRIOpenConnection(stuff->screen, - &hSAREA, - &busIdString)) { - return BadValue; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.busIdStringLength = 0; - if (busIdString) - rep.busIdStringLength = strlen(busIdString); - rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) + - pad_to_int32(rep.busIdStringLength)); - - rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff); -#if defined(LONG64) && !defined(__linux__) - rep.hSAREAHigh = (CARD32)(hSAREA >> 32); -#else - rep.hSAREAHigh = 0; -#endif - - WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep); - if (rep.busIdStringLength) - WriteToClient(client, rep.busIdStringLength, busIdString); - free(busIdString); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIAuthConnection (register ClientPtr client) -{ - xXF86DRIAuthConnectionReply rep; - REQUEST(xXF86DRIAuthConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.authenticated = 1; - - if (!ephyrDRIAuthConnection (stuff->screen, stuff->magic)) { - ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic); - rep.authenticated = 0; - } - WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRICloseConnection (register ClientPtr client) -{ - REQUEST(xXF86DRICloseConnectionReq); - REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - /* - DRICloseConnection( screenInfo.screens[stuff->screen]); - */ - - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIGetClientDriverName (register ClientPtr client) -{ - xXF86DRIGetClientDriverNameReply rep; - char* clientDriverName; - REQUEST(xXF86DRIGetClientDriverNameReq); - REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - ephyrDRIGetClientDriverName (stuff->screen, - (int *)&rep.ddxDriverMajorVersion, - (int *)&rep.ddxDriverMinorVersion, - (int *)&rep.ddxDriverPatchVersion, - &clientDriverName); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.clientDriverNameLength = 0; - if (clientDriverName) - rep.clientDriverNameLength = strlen(clientDriverName); - rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) - - SIZEOF(xGenericReply) + - pad_to_int32(rep.clientDriverNameLength)); - - WriteToClient(client, - sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep); - if (rep.clientDriverNameLength) - WriteToClient(client, - rep.clientDriverNameLength, - clientDriverName); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRICreateContext (register ClientPtr client) -{ - xXF86DRICreateContextReply rep; - ScreenPtr pScreen; - VisualPtr visual; - int i=0; - unsigned long context_id=0; - REQUEST(xXF86DRICreateContextReq); - REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - pScreen = screenInfo.screens[stuff->screen]; - visual = pScreen->visuals; - - /* Find the requested X visual */ - for (i = 0; i < pScreen->numVisuals; i++, visual++) - if (visual->vid == stuff->visual) - break; - if (i == pScreen->numVisuals) { - /* No visual found */ - return BadValue; - } - - context_id = stuff->context ; - if (!ephyrDRICreateContext (stuff->screen, - stuff->visual, - &context_id, - (drm_context_t *)&rep.hHWContext)) { - return BadValue; - } - - WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIDestroyContext (register ClientPtr client) -{ - REQUEST(xXF86DRIDestroyContextReq); - REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); - EPHYR_LOG ("enter\n") ; - - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - if (!ephyrDRIDestroyContext (stuff->screen, stuff->context)) { - return BadValue; - } - - EPHYR_LOG ("leave\n") ; - return Success; -} - -static Bool -getWindowVisual (const WindowPtr a_win, - VisualPtr *a_visual) -{ - int i=0, visual_id=0 ; - EPHYR_RETURN_VAL_IF_FAIL (a_win - && a_win->drawable.pScreen - && a_win->drawable.pScreen->visuals, - FALSE) ; - - visual_id = wVisual (a_win) ; - for (i=0; i < a_win->drawable.pScreen->numVisuals; i++) { - if (a_win->drawable.pScreen->visuals[i].vid == visual_id) { - *a_visual = &a_win->drawable.pScreen->visuals[i] ; - return TRUE ; - } - } - return FALSE ; -} - - -#define NUM_WINDOW_PAIRS 256 -static EphyrWindowPair window_pairs[NUM_WINDOW_PAIRS] ; - -static Bool -appendWindowPairToList (WindowPtr a_local, - int a_remote) -{ - int i=0 ; - - EPHYR_RETURN_VAL_IF_FAIL (a_local, FALSE) ; - - EPHYR_LOG ("(local,remote):(%p, %d)\n", a_local, a_remote) ; - - for (i=0; i < NUM_WINDOW_PAIRS; i++) { - if (window_pairs[i].local == NULL) { - window_pairs[i].local = a_local ; - window_pairs[i].remote = a_remote ; - return TRUE ; - } - } - return FALSE ; -} - -static Bool -findWindowPairFromLocal (WindowPtr a_local, - EphyrWindowPair **a_pair) -{ - int i=0 ; - - EPHYR_RETURN_VAL_IF_FAIL (a_pair && a_local, FALSE) ; - - for (i=0; i < NUM_WINDOW_PAIRS; i++) { - if (window_pairs[i].local == a_local) { - *a_pair = &window_pairs[i] ; - EPHYR_LOG ("found (%p, %d)\n", - (*a_pair)->local, - (*a_pair)->remote) ; - return TRUE ; - } - } - return FALSE ; -} - -Bool -findWindowPairFromRemote (int a_remote, - EphyrWindowPair **a_pair) -{ - int i=0 ; - - EPHYR_RETURN_VAL_IF_FAIL (a_pair, FALSE) ; - - for (i=0; i < NUM_WINDOW_PAIRS; i++) { - if (window_pairs[i].remote == a_remote) { - *a_pair = &window_pairs[i] ; - EPHYR_LOG ("found (%p, %d)\n", - (*a_pair)->local, - (*a_pair)->remote) ; - return TRUE ; - } - } - return FALSE ; -} - -static Bool -createHostPeerWindow (const WindowPtr a_win, - int *a_peer_win) -{ - Bool is_ok=FALSE ; - VisualPtr visual=NULL; - EphyrBox geo ; - - EPHYR_RETURN_VAL_IF_FAIL (a_win && a_peer_win, FALSE) ; - EPHYR_RETURN_VAL_IF_FAIL (a_win->drawable.pScreen, - FALSE) ; - - EPHYR_LOG ("enter. a_win '%p'\n", a_win) ; - if (!getWindowVisual (a_win, &visual)) { - EPHYR_LOG_ERROR ("failed to get window visual\n") ; - goto out ; - } - if (!visual) { - EPHYR_LOG_ERROR ("failed to create visual\n") ; - goto out ; - } - memset (&geo, 0, sizeof (geo)) ; - geo.x = a_win->drawable.x ; - geo.y = a_win->drawable.y ; - geo.width = a_win->drawable.width ; - geo.height = a_win->drawable.height ; - if (!hostx_create_window (a_win->drawable.pScreen->myNum, - &geo, visual->vid, a_peer_win)) { - EPHYR_LOG_ERROR ("failed to create host peer window\n") ; - goto out ; - } - if (!appendWindowPairToList (a_win, *a_peer_win)) { - EPHYR_LOG_ERROR ("failed to append window to pair list\n") ; - goto out ; - } - is_ok = TRUE ; -out: - EPHYR_LOG ("leave:remote win%d\n", *a_peer_win) ; - return is_ok ; -} - -static Bool -destroyHostPeerWindow (const WindowPtr a_win) -{ - Bool is_ok = FALSE ; - EphyrWindowPair *pair=NULL ; - EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; - - EPHYR_LOG ("enter\n") ; - - if (!findWindowPairFromLocal (a_win, &pair) || !pair) { - EPHYR_LOG_ERROR ("failed to find peer to local window\n") ; - goto out; - } - hostx_destroy_window (pair->remote) ; - is_ok = TRUE ; - -out: - EPHYR_LOG ("leave\n") ; - return is_ok; -} - -static int -ProcXF86DRICreateDrawable (ClientPtr client) -{ - xXF86DRICreateDrawableReply rep; - DrawablePtr drawable=NULL; - WindowPtr window=NULL ; - EphyrWindowPair *pair=NULL ; - EphyrDRIWindowPrivPtr win_priv=NULL; - int rc=0, remote_win=0; - REQUEST(xXF86DRICreateDrawableReq); - REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = dixLookupDrawable (&drawable, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - if (drawable->type != DRAWABLE_WINDOW) { - EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ; - return BadImplementation ; - } - EPHYR_LOG ("lookedup drawable %p\n", drawable) ; - window = (WindowPtr)drawable; - if (findWindowPairFromLocal (window, &pair) && pair) { - remote_win = pair->remote ; - EPHYR_LOG ("found window '%p' paire with remote '%d'\n", - window, remote_win) ; - } else if (!createHostPeerWindow (window, &remote_win)) { - EPHYR_LOG_ERROR ("failed to create host peer window\n") ; - return BadAlloc ; - } - - if (!ephyrDRICreateDrawable (stuff->screen, - remote_win, - (drm_drawable_t *)&rep.hHWDrawable)) { - EPHYR_LOG_ERROR ("failed to create dri drawable\n") ; - return BadValue; - } - - win_priv = GET_EPHYR_DRI_WINDOW_PRIV (window) ; - if (!win_priv) { - win_priv = calloc(1, sizeof (EphyrDRIWindowPrivRec)) ; - if (!win_priv) { - EPHYR_LOG_ERROR ("failed to allocate window private\n") ; - return BadAlloc ; - } - dixSetPrivate(&window->devPrivates, ephyrDRIWindowKey, win_priv); - EPHYR_LOG ("paired window '%p' with remote '%d'\n", - window, remote_win) ; - } - - WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep); - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIDestroyDrawable (register ClientPtr client) -{ - DrawablePtr drawable=NULL; - WindowPtr window=NULL; - EphyrWindowPair *pair=NULL; - int rc=0; - REQUEST(xXF86DRIDestroyDrawableReq); - REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rc = dixLookupDrawable(&drawable, - stuff->drawable, - client, - 0, - DixReadAccess); - if (rc != Success) - return rc; - if (drawable->type != DRAWABLE_WINDOW) { - EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ; - return BadImplementation ; - } - window = (WindowPtr)drawable; - if (!findWindowPairFromLocal (window, &pair) && pair) { - EPHYR_LOG_ERROR ("failed to find pair window\n") ; - return BadImplementation; - } - if (!ephyrDRIDestroyDrawable(stuff->screen, - pair->remote/*drawable in host x*/)) { - EPHYR_LOG_ERROR ("failed to destroy dri drawable\n") ; - return BadImplementation; - } - pair->local=NULL ; - pair->remote=0; - - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIGetDrawableInfo (register ClientPtr client) -{ - xXF86DRIGetDrawableInfoReply rep; - DrawablePtr drawable; - WindowPtr window=NULL; - EphyrWindowPair *pair=NULL; - int X=0, Y=0, W=0, H=0, backX=0, backY=0, rc=0, i=0; - drm_clip_rect_t *clipRects=NULL; - drm_clip_rect_t *backClipRects=NULL; - REQUEST(xXF86DRIGetDrawableInfoReq); - REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); - - EPHYR_LOG ("enter\n") ; - memset (&rep, 0, sizeof (rep)) ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success || !drawable) { - EPHYR_LOG_ERROR ("could not get drawable\n") ; - return rc; - } - - if (drawable->type != DRAWABLE_WINDOW) { - EPHYR_LOG_ERROR ("non windows type drawables are not yes supported\n") ; - return BadImplementation ; - } - window = (WindowPtr)drawable ; - memset (&pair, 0, sizeof (pair)) ; - if (!findWindowPairFromLocal (window, &pair) || !pair) { - EPHYR_LOG_ERROR ("failed to find remote peer drawable\n") ; - return BadMatch ; - } - EPHYR_LOG ("clip list of xephyr gl drawable:\n") ; - for (i=0; i < RegionNumRects (&window->clipList); i++) { - EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n", - RegionRects (&window->clipList)[i].x1, - RegionRects (&window->clipList)[i].y1, - RegionRects (&window->clipList)[i].x2, - RegionRects (&window->clipList)[i].y2) ; - } - - if (!ephyrDRIGetDrawableInfo (stuff->screen, - pair->remote/*the drawable in hostx*/, - (unsigned int*)&rep.drawableTableIndex, - (unsigned int*)&rep.drawableTableStamp, - (int*)&X, - (int*)&Y, - (int*)&W, - (int*)&H, - (int*)&rep.numClipRects, - &clipRects, - &backX, - &backY, - (int*)&rep.numBackClipRects, - &backClipRects)) { - return BadValue; - } - EPHYR_LOG ("num clip rects:%d, num back clip rects:%d\n", - (int)rep.numClipRects, (int)rep.numBackClipRects) ; - - rep.drawableX = X; - rep.drawableY = Y; - rep.drawableWidth = W; - rep.drawableHeight = H; - rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - - SIZEOF(xGenericReply)); - - rep.backX = backX; - rep.backY = backY; - - - if (rep.numClipRects) { - if (clipRects) { - ScreenPtr pScreen = screenInfo.screens[stuff->screen]; - int i=0; - EPHYR_LOG ("clip list of host gl drawable:\n") ; - for (i = 0; i < rep.numClipRects; i++) { - clipRects[i].x1 = max (clipRects[i].x1, 0); - clipRects[i].y1 = max (clipRects[i].y1, 0); - clipRects[i].x2 = min (clipRects[i].x2, - pScreen->width + clipRects[i].x1) ; - clipRects[i].y2 = min (clipRects[i].y2, - pScreen->width + clipRects[i].y1) ; - - EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n", - clipRects[i].x1, clipRects[i].y1, - clipRects[i].x2, clipRects[i].y2) ; - } - } else { - rep.numClipRects = 0; - } - } else { - EPHYR_LOG ("got zero host gl drawable clipping rects\n") ; - } - rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; - backClipRects = clipRects ; - rep.numBackClipRects = rep.numClipRects ; - if (rep.numBackClipRects) - rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; - EPHYR_LOG ("num host clip rects:%d\n", (int)rep.numClipRects) ; - EPHYR_LOG ("num host back clip rects:%d\n", (int)rep.numBackClipRects) ; - - rep.length = bytes_to_int32(rep.length); - - WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep); - - if (rep.numClipRects) { - WriteToClient(client, - sizeof(drm_clip_rect_t) * rep.numClipRects, - (char *)clipRects); - } - - if (rep.numBackClipRects) { - WriteToClient(client, - sizeof(drm_clip_rect_t) * rep.numBackClipRects, - (char *)backClipRects); - } - free(clipRects); - clipRects = NULL ; - - EPHYR_LOG ("leave\n") ; - - return Success; -} - -static int -ProcXF86DRIGetDeviceInfo (register ClientPtr client) -{ - xXF86DRIGetDeviceInfoReply rep; - drm_handle_t hFrameBuffer; - void *pDevPrivate; - REQUEST(xXF86DRIGetDeviceInfoReq); - REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); - - EPHYR_LOG ("enter\n") ; - if (stuff->screen >= screenInfo.numScreens) { - client->errorValue = stuff->screen; - return BadValue; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if (!ephyrDRIGetDeviceInfo (stuff->screen, - &hFrameBuffer, - (int*)&rep.framebufferOrigin, - (int*)&rep.framebufferSize, - (int*)&rep.framebufferStride, - (int*)&rep.devPrivateSize, - &pDevPrivate)) { - return BadValue; - } - - rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff); -#if defined(LONG64) && !defined(__linux__) - rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32); -#else - rep.hFrameBufferHigh = 0; -#endif - - rep.length = 0; - if (rep.devPrivateSize) { - rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) - - SIZEOF(xGenericReply) + - pad_to_int32(rep.devPrivateSize)); - } - - WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep); - if (rep.length) { - WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate); - } - EPHYR_LOG ("leave\n") ; - return Success; -} - -static int -ProcXF86DRIDispatch (register ClientPtr client) -{ - REQUEST(xReq); - EPHYR_LOG ("enter\n") ; - - switch (stuff->data) - { - case X_XF86DRIQueryVersion: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIQueryVersion(client); - } - case X_XF86DRIQueryDirectRenderingCapable: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIQueryDirectRenderingCapable(client); - } - } - - if (!LocalClient(client)) - return DRIErrorBase + XF86DRIClientNotLocal; - - switch (stuff->data) - { - case X_XF86DRIOpenConnection: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIOpenConnection(client); - } - case X_XF86DRICloseConnection: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRICloseConnection(client); - } - case X_XF86DRIGetClientDriverName: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIGetClientDriverName(client); - } - case X_XF86DRICreateContext: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRICreateContext(client); - } - case X_XF86DRIDestroyContext: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIDestroyContext(client); - } - case X_XF86DRICreateDrawable: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRICreateDrawable(client); - } - case X_XF86DRIDestroyDrawable: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIDestroyDrawable(client); - } - case X_XF86DRIGetDrawableInfo: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIGetDrawableInfo(client); - } - case X_XF86DRIGetDeviceInfo: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIGetDeviceInfo(client); - } - case X_XF86DRIAuthConnection: { - EPHYR_LOG ("leave\n") ; - return ProcXF86DRIAuthConnection(client); - } - /* {Open,Close}FullScreen are deprecated now */ - default: { - EPHYR_LOG ("leave\n") ; - return BadRequest; - } - } -} - -static int -SProcXF86DRIQueryVersion (register ClientPtr client) -{ - register int n; - REQUEST(xXF86DRIQueryVersionReq); - swaps(&stuff->length, n); - return ProcXF86DRIQueryVersion(client); -} - -static int -SProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client) -{ - register int n; - REQUEST(xXF86DRIQueryDirectRenderingCapableReq); - swaps(&stuff->length, n); - swapl(&stuff->screen, n); - return ProcXF86DRIQueryDirectRenderingCapable(client); -} - -static int -SProcXF86DRIDispatch (register ClientPtr client) -{ - REQUEST(xReq); - - EPHYR_LOG ("enter\n") ; - /* - * Only local clients are allowed DRI access, but remote clients still need - * these requests to find out cleanly. - */ - switch (stuff->data) - { - case X_XF86DRIQueryVersion: { - EPHYR_LOG ("leave\n") ; - return SProcXF86DRIQueryVersion(client); - } - case X_XF86DRIQueryDirectRenderingCapable: { - EPHYR_LOG ("leave\n") ; - return SProcXF86DRIQueryDirectRenderingCapable(client); - } - default: { - EPHYR_LOG ("leave\n") ; - return DRIErrorBase + XF86DRIClientNotLocal; - } - } -} - -Bool -ephyrDRIExtensionInit (ScreenPtr a_screen) -{ - Bool is_ok=FALSE ; - ExtensionEntry* extEntry=NULL; - EphyrDRIScreenPrivPtr screen_priv=NULL ; - - EPHYR_LOG ("enter\n") ; - if (!hostx_has_dri ()) { - EPHYR_LOG ("host does not have DRI extension\n") ; - goto out ; - } - EPHYR_LOG ("host X does have DRI extension\n") ; - if (!hostx_has_xshape ()) { - EPHYR_LOG ("host does not have XShape extension\n") ; - goto out ; - } - EPHYR_LOG ("host X does have XShape extension\n") ; - -#ifdef XF86DRI_EVENTS - EventType = CreateNewResourceType (XF86DRIFreeEvents, "DRIEvents"); - if (!EventType) { - EPHYR_LOG_ERROR ("failed to register DRI event resource type\n") ; - goto out ; - } -#endif - - if ((extEntry = AddExtension(XF86DRINAME, - XF86DRINumberEvents, - XF86DRINumberErrors, - ProcXF86DRIDispatch, - SProcXF86DRIDispatch, - NULL, - StandardMinorOpcode))) { - DRIReqCode = (unsigned char)extEntry->base; - DRIErrorBase = extEntry->errorBase; - } else { - EPHYR_LOG_ERROR ("failed to register DRI extension\n") ; - goto out ; - } - screen_priv = calloc(1, sizeof (EphyrDRIScreenPrivRec)) ; - if (!screen_priv) { - EPHYR_LOG_ERROR ("failed to allocate screen_priv\n") ; - goto out ; - } - dixSetPrivate(&a_screen->devPrivates, ephyrDRIScreenKey, screen_priv); - - if (!ephyrDRIScreenInit (a_screen)) { - EPHYR_LOG_ERROR ("ephyrDRIScreenInit() failed\n") ; - goto out ; - } - EphyrMirrorHostVisuals (a_screen) ; - is_ok=TRUE ; -out: - EPHYR_LOG ("leave\n") ; - return is_ok ; -} +/* + * Xephyr - A kdrive X server thats runs in a host X window. + * Authored by Matthew Allum + * + * Copyright © 2007 OpenedHand Ltd + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of OpenedHand Ltd not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. OpenedHand Ltd makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + * This file is heavily copied from hw/xfree86/dri/xf86dri.c + * + * Authors: + * Dodji Seketeli + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include + +#include +#include +#define _XF86DRI_SERVER_ +#include +#include +#include "misc.h" +#include "privates.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "colormapst.h" +#include "cursorstr.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "servermd.h" +#include "swaprep.h" +#include "ephyrdri.h" +#include "ephyrdriext.h" +#include "hostx.h" +#define _HAVE_XALLOC_DECLS +#include "ephyrlog.h" +#include "protocol-versions.h" + +typedef struct { + int foo; +} EphyrDRIWindowPrivRec; +typedef EphyrDRIWindowPrivRec* EphyrDRIWindowPrivPtr; + +typedef struct { + CreateWindowProcPtr CreateWindow ; + DestroyWindowProcPtr DestroyWindow ; + MoveWindowProcPtr MoveWindow ; + PositionWindowProcPtr PositionWindow ; + ClipNotifyProcPtr ClipNotify ; +} EphyrDRIScreenPrivRec; +typedef EphyrDRIScreenPrivRec* EphyrDRIScreenPrivPtr; + +static int DRIErrorBase; + + + +static Bool ephyrDRIScreenInit (ScreenPtr a_screen) ; +static Bool ephyrDRICreateWindow (WindowPtr a_win) ; +static Bool ephyrDRIDestroyWindow (WindowPtr a_win) ; +static void ephyrDRIMoveWindow (WindowPtr a_win, + int a_x, int a_y, + WindowPtr a_siblings, + VTKind a_kind); +static Bool ephyrDRIPositionWindow (WindowPtr a_win, + int x, int y) ; +static void ephyrDRIClipNotify (WindowPtr a_win, + int a_x, int a_y) ; + +static Bool EphyrMirrorHostVisuals (ScreenPtr a_screen) ; +static Bool destroyHostPeerWindow (const WindowPtr a_win) ; +static Bool findWindowPairFromLocal (WindowPtr a_local, + EphyrWindowPair **a_pair); + +static unsigned char DRIReqCode = 0; + +static DevPrivateKeyRec ephyrDRIWindowKeyRec; +#define ephyrDRIWindowKey (&ephyrDRIWindowKeyRec) +static DevPrivateKeyRec ephyrDRIScreenKeyRec; +#define ephyrDRIScreenKey (&ephyrDRIScreenKeyRec) + +#define GET_EPHYR_DRI_WINDOW_PRIV(win) ((EphyrDRIWindowPrivPtr) \ + dixLookupPrivate(&(win)->devPrivates, ephyrDRIWindowKey)) +#define GET_EPHYR_DRI_SCREEN_PRIV(screen) ((EphyrDRIScreenPrivPtr) \ + dixLookupPrivate(&(screen)->devPrivates, ephyrDRIScreenKey)) + +static Bool +ephyrDRIScreenInit (ScreenPtr a_screen) +{ + Bool is_ok=FALSE ; + EphyrDRIScreenPrivPtr screen_priv=NULL ; + + EPHYR_RETURN_VAL_IF_FAIL (a_screen, FALSE) ; + + screen_priv=GET_EPHYR_DRI_SCREEN_PRIV (a_screen) ; + EPHYR_RETURN_VAL_IF_FAIL (screen_priv, FALSE) ; + + screen_priv->CreateWindow = a_screen->CreateWindow ; + screen_priv->DestroyWindow = a_screen->DestroyWindow ; + screen_priv->MoveWindow = a_screen->MoveWindow ; + screen_priv->PositionWindow = a_screen->PositionWindow ; + screen_priv->ClipNotify = a_screen->ClipNotify ; + + a_screen->CreateWindow = ephyrDRICreateWindow ; + a_screen->DestroyWindow = ephyrDRIDestroyWindow ; + a_screen->MoveWindow = ephyrDRIMoveWindow ; + a_screen->PositionWindow = ephyrDRIPositionWindow ; + a_screen->ClipNotify = ephyrDRIClipNotify ; + + is_ok = TRUE ; + + return is_ok ; +} + +static Bool +ephyrDRICreateWindow (WindowPtr a_win) +{ + Bool is_ok=FALSE ; + ScreenPtr screen=NULL ; + EphyrDRIScreenPrivPtr screen_priv =NULL; + + EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; + screen = a_win->drawable.pScreen ; + EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; + screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; + EPHYR_RETURN_VAL_IF_FAIL (screen_priv + && screen_priv->CreateWindow, + FALSE) ; + + EPHYR_LOG ("enter. win:%p\n", a_win) ; + + screen->CreateWindow = screen_priv->CreateWindow ; + is_ok = (*screen->CreateWindow) (a_win) ; + screen->CreateWindow = ephyrDRICreateWindow ; + + if (is_ok) { + dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); + } + return is_ok ; +} + +static Bool +ephyrDRIDestroyWindow (WindowPtr a_win) +{ + Bool is_ok=FALSE ; + ScreenPtr screen=NULL ; + EphyrDRIScreenPrivPtr screen_priv =NULL; + + EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; + screen = a_win->drawable.pScreen ; + EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; + screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; + EPHYR_RETURN_VAL_IF_FAIL (screen_priv + && screen_priv->DestroyWindow, + FALSE) ; + + screen->DestroyWindow = screen_priv->DestroyWindow ; + if (screen->DestroyWindow) { + is_ok = (*screen->DestroyWindow) (a_win) ; + } + screen->DestroyWindow = ephyrDRIDestroyWindow ; + + if (is_ok) { + EphyrDRIWindowPrivPtr win_priv=GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; + if (win_priv) { + destroyHostPeerWindow (a_win) ; + free(win_priv) ; + dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); + EPHYR_LOG ("destroyed the remote peer window\n") ; + } + } + return is_ok ; +} + +static void +ephyrDRIMoveWindow (WindowPtr a_win, + int a_x, int a_y, + WindowPtr a_siblings, + VTKind a_kind) +{ + Bool is_ok=FALSE ; + ScreenPtr screen=NULL ; + EphyrDRIScreenPrivPtr screen_priv =NULL; + EphyrDRIWindowPrivPtr win_priv=NULL ; + EphyrWindowPair *pair=NULL ; + EphyrBox geo; + int x=0,y=0;/*coords relative to parent window*/ + + EPHYR_RETURN_IF_FAIL (a_win) ; + + EPHYR_LOG ("enter\n") ; + screen = a_win->drawable.pScreen ; + EPHYR_RETURN_IF_FAIL (screen) ; + screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; + EPHYR_RETURN_IF_FAIL (screen_priv + && screen_priv->MoveWindow) ; + + screen->MoveWindow = screen_priv->MoveWindow ; + if (screen->MoveWindow) { + (*screen->MoveWindow) (a_win, a_x, a_y, a_siblings, a_kind) ; + } + screen->MoveWindow = ephyrDRIMoveWindow ; + + EPHYR_LOG ("window: %p\n", a_win) ; + if (!a_win->parent) { + EPHYR_LOG ("cannot move root window\n") ; + is_ok = TRUE ; + goto out ; + } + win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; + if (!win_priv) { + EPHYR_LOG ("not a DRI peered window\n") ; + is_ok = TRUE ; + goto out ; + } + if (!findWindowPairFromLocal (a_win, &pair) || !pair) { + EPHYR_LOG_ERROR ("failed to get window pair\n") ; + goto out ; + } + /*compute position relative to parent window*/ + x = a_win->drawable.x - a_win->parent->drawable.x ; + y = a_win->drawable.y - a_win->parent->drawable.y ; + /*set the geometry to pass to hostx_set_window_geometry*/ + memset (&geo, 0, sizeof (geo)) ; + geo.x = x ; + geo.y = y ; + geo.width = a_win->drawable.width ; + geo.height = a_win->drawable.height ; + hostx_set_window_geometry (pair->remote, &geo) ; + is_ok = TRUE ; + +out: + EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; + /*do cleanup here*/ +} + +static Bool +ephyrDRIPositionWindow (WindowPtr a_win, + int a_x, int a_y) +{ + Bool is_ok=FALSE ; + ScreenPtr screen=NULL ; + EphyrDRIScreenPrivPtr screen_priv =NULL; + EphyrDRIWindowPrivPtr win_priv=NULL ; + EphyrWindowPair *pair=NULL ; + EphyrBox geo; + + EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; + + EPHYR_LOG ("enter\n") ; + screen = a_win->drawable.pScreen ; + EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; + screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; + EPHYR_RETURN_VAL_IF_FAIL (screen_priv + && screen_priv->PositionWindow, + FALSE) ; + + screen->PositionWindow = screen_priv->PositionWindow ; + if (screen->PositionWindow) { + (*screen->PositionWindow) (a_win, a_x, a_y) ; + } + screen->PositionWindow = ephyrDRIPositionWindow ; + + EPHYR_LOG ("window: %p\n", a_win) ; + win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; + if (!win_priv) { + EPHYR_LOG ("not a DRI peered window\n") ; + is_ok = TRUE ; + goto out ; + } + if (!findWindowPairFromLocal (a_win, &pair) || !pair) { + EPHYR_LOG_ERROR ("failed to get window pair\n") ; + goto out ; + } + /*set the geometry to pass to hostx_set_window_geometry*/ + memset (&geo, 0, sizeof (geo)) ; + geo.x = a_x ; + geo.y = a_y ; + geo.width = a_win->drawable.width ; + geo.height = a_win->drawable.height ; + hostx_set_window_geometry (pair->remote, &geo) ; + is_ok = TRUE ; + +out: + EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; + /*do cleanup here*/ + return is_ok ; +} + +static void +ephyrDRIClipNotify (WindowPtr a_win, + int a_x, int a_y) +{ + Bool is_ok=FALSE ; + ScreenPtr screen=NULL ; + EphyrDRIScreenPrivPtr screen_priv =NULL; + EphyrDRIWindowPrivPtr win_priv=NULL ; + EphyrWindowPair *pair=NULL ; + EphyrRect *rects=NULL; + int i=0 ; + + EPHYR_RETURN_IF_FAIL (a_win) ; + + EPHYR_LOG ("enter\n") ; + screen = a_win->drawable.pScreen ; + EPHYR_RETURN_IF_FAIL (screen) ; + screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ; + EPHYR_RETURN_IF_FAIL (screen_priv && screen_priv->ClipNotify) ; + + screen->ClipNotify = screen_priv->ClipNotify ; + if (screen->ClipNotify) { + (*screen->ClipNotify) (a_win, a_x, a_y) ; + } + screen->ClipNotify = ephyrDRIClipNotify ; + + EPHYR_LOG ("window: %p\n", a_win) ; + win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ; + if (!win_priv) { + EPHYR_LOG ("not a DRI peered window\n") ; + is_ok = TRUE ; + goto out ; + } + if (!findWindowPairFromLocal (a_win, &pair) || !pair) { + EPHYR_LOG_ERROR ("failed to get window pair\n") ; + goto out ; + } + rects = calloc(RegionNumRects (&a_win->clipList), + sizeof (EphyrRect)) ; + for (i=0; i < RegionNumRects (&a_win->clipList); i++) { + memmove (&rects[i], + &RegionRects (&a_win->clipList)[i], + sizeof (EphyrRect)) ; + rects[i].x1 -= a_win->drawable.x; + rects[i].x2 -= a_win->drawable.x; + rects[i].y1 -= a_win->drawable.y; + rects[i].y2 -= a_win->drawable.y; + } + /* + * push the clipping region of this window + * to the peer window in the host + */ + is_ok = hostx_set_window_bounding_rectangles + (pair->remote, + rects, + RegionNumRects (&a_win->clipList)) ; + is_ok = TRUE ; + +out: + free(rects) ; + rects = NULL ; + + EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ; + /*do cleanup here*/ +} + +/** + * Duplicates a visual of a_screen + * In screen a_screen, for depth a_depth, find a visual which + * bitsPerRGBValue and colormap size equal + * a_bits_per_rgb_values and a_colormap_entries. + * The ID of that duplicated visual is set to a_new_id. + * That duplicated visual is then added to the list of visuals + * of the screen. + */ +static Bool +EphyrDuplicateVisual (unsigned int a_screen, + short a_depth, + short a_class, + short a_bits_per_rgb_values, + short a_colormap_entries, + unsigned int a_red_mask, + unsigned int a_green_mask, + unsigned int a_blue_mask, + unsigned int a_new_id) +{ + Bool is_ok = FALSE, found_visual=FALSE, found_depth=FALSE ; + ScreenPtr screen=NULL ; + VisualRec new_visual, *new_visuals=NULL ; + int i=0 ; + + EPHYR_LOG ("enter\n") ; + if (a_screen >= screenInfo.numScreens) { + EPHYR_LOG_ERROR ("bad screen number\n") ; + goto out; + } + memset (&new_visual, 0, sizeof (VisualRec)) ; + + /*get the screen pointed to by a_screen*/ + screen = screenInfo.screens[a_screen] ; + EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ; + + /* + * In that screen, first look for an existing visual that has the + * same characteristics as those passed in parameter + * to this function and copy it. + */ + for (i=0; i < screen->numVisuals; i++) { + if (screen->visuals[i].bitsPerRGBValue == a_bits_per_rgb_values && + screen->visuals[i].ColormapEntries == a_colormap_entries ) { + /*copy the visual found*/ + memcpy (&new_visual, &screen->visuals[i], sizeof (new_visual)) ; + new_visual.vid = a_new_id ; + new_visual.class = a_class ; + new_visual.redMask = a_red_mask ; + new_visual.greenMask = a_green_mask ; + new_visual.blueMask = a_blue_mask ; + found_visual = TRUE ; + EPHYR_LOG ("found a visual that matches visual id: %d\n", + a_new_id) ; + break; + } + } + if (!found_visual) { + EPHYR_LOG ("did not find any visual matching %d\n", a_new_id) ; + goto out ; + } + /* + * be prepare to extend screen->visuals to add new_visual to it + */ + new_visuals = calloc(screen->numVisuals+1, sizeof (VisualRec)) ; + memmove (new_visuals, + screen->visuals, + screen->numVisuals*sizeof (VisualRec)) ; + memmove (&new_visuals[screen->numVisuals], + &new_visual, + sizeof (VisualRec)) ; + /* + * Now, in that same screen, update the screen->allowedDepths member. + * In that array, each element represents the visuals applicable to + * a given depth. So we need to add an entry matching the new visual + * that we are going to add to screen->visuals + */ + for (i=0; inumDepths; i++) { + VisualID *vids=NULL; + DepthPtr cur_depth=NULL ; + /*find the entry matching a_depth*/ + if (screen->allowedDepths[i].depth != a_depth) + continue ; + cur_depth = &screen->allowedDepths[i]; + /* + * extend the list of visual IDs in that entry, + * so to add a_new_id in there. + */ + vids = realloc(cur_depth->vids, + (cur_depth->numVids+1)*sizeof (VisualID)); + if (!vids) { + EPHYR_LOG_ERROR ("failed to realloc numids\n") ; + goto out ; + } + vids[cur_depth->numVids] = a_new_id ; + /* + * Okay now commit our change. + * Do really update screen->allowedDepths[i] + */ + cur_depth->numVids++ ; + cur_depth->vids = vids ; + found_depth=TRUE; + } + if (!found_depth) { + EPHYR_LOG_ERROR ("failed to update screen[%d]->allowedDepth\n", + a_screen) ; + goto out ; + } + /* + * Commit our change to screen->visuals + */ + free(screen->visuals) ; + screen->visuals = new_visuals ; + screen->numVisuals++ ; + new_visuals = NULL ; + + is_ok = TRUE ; +out: + free(new_visuals) ; + new_visuals = NULL ; + + EPHYR_LOG ("leave\n") ; + return is_ok ; +} + +/** + * Duplicates the visuals of the host X server. + * This is necessary to have visuals that have the same + * ID as those of the host X. It is important to have that for + * GLX. + */ +static Bool +EphyrMirrorHostVisuals (ScreenPtr a_screen) +{ + Bool is_ok=FALSE; + EphyrHostVisualInfo *visuals=NULL; + int nb_visuals=0, i=0; + + EPHYR_LOG ("enter\n") ; + if (!hostx_get_visuals_info (&visuals, &nb_visuals)) { + EPHYR_LOG_ERROR ("failed to get host visuals\n") ; + goto out ; + } + for (i=0; imyNum, + visuals[i].depth, + visuals[i].class, + visuals[i].bits_per_rgb, + visuals[i].colormap_size, + visuals[i].red_mask, + visuals[i].green_mask, + visuals[i].blue_mask, + visuals[i].visualid)) { + EPHYR_LOG_ERROR ("failed to duplicate host visual %d\n", + (int)visuals[i].visualid) ; + } + } + + is_ok = TRUE ; +out: + EPHYR_LOG ("leave\n") ; + return is_ok; +} + + +static int +ProcXF86DRIQueryVersion (register ClientPtr client) +{ + xXF86DRIQueryVersionReply rep; + register int n; + REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); + + EPHYR_LOG ("enter\n") ; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION; + rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION; + rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + swapl(&rep.patchVersion, n); + } + WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client) +{ + xXF86DRIQueryDirectRenderingCapableReply rep; + Bool isCapable; + register int n; + REQUEST(xXF86DRIQueryDirectRenderingCapableReq); + REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if (!ephyrDRIQueryDirectRenderingCapable (stuff->screen, &isCapable)) { + return BadValue; + } + rep.isCapable = isCapable; + + if (!LocalClient(client) || client->swapped) + rep.isCapable = 0; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + } + + WriteToClient(client, sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep); + EPHYR_LOG ("leave\n") ; + + return Success; +} + +static int +ProcXF86DRIOpenConnection (register ClientPtr client) +{ + xXF86DRIOpenConnectionReply rep; + drm_handle_t hSAREA; + char* busIdString = NULL; + REQUEST(xXF86DRIOpenConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + if (!ephyrDRIOpenConnection(stuff->screen, + &hSAREA, + &busIdString)) { + return BadValue; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.busIdStringLength = 0; + if (busIdString) + rep.busIdStringLength = strlen(busIdString); + rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) + + pad_to_int32(rep.busIdStringLength)); + + rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff); +#if defined(LONG64) && !defined(__linux__) + rep.hSAREAHigh = (CARD32)(hSAREA >> 32); +#else + rep.hSAREAHigh = 0; +#endif + + WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep); + if (rep.busIdStringLength) + WriteToClient(client, rep.busIdStringLength, busIdString); + free(busIdString); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIAuthConnection (register ClientPtr client) +{ + xXF86DRIAuthConnectionReply rep; + REQUEST(xXF86DRIAuthConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.authenticated = 1; + + if (!ephyrDRIAuthConnection (stuff->screen, stuff->magic)) { + ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic); + rep.authenticated = 0; + } + WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRICloseConnection (register ClientPtr client) +{ + REQUEST(xXF86DRICloseConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + /* + DRICloseConnection( screenInfo.screens[stuff->screen]); + */ + + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIGetClientDriverName (register ClientPtr client) +{ + xXF86DRIGetClientDriverNameReply rep; + char* clientDriverName; + REQUEST(xXF86DRIGetClientDriverNameReq); + REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + ephyrDRIGetClientDriverName (stuff->screen, + (int *)&rep.ddxDriverMajorVersion, + (int *)&rep.ddxDriverMinorVersion, + (int *)&rep.ddxDriverPatchVersion, + &clientDriverName); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.clientDriverNameLength = 0; + if (clientDriverName) + rep.clientDriverNameLength = strlen(clientDriverName); + rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) - + SIZEOF(xGenericReply) + + pad_to_int32(rep.clientDriverNameLength)); + + WriteToClient(client, + sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep); + if (rep.clientDriverNameLength) + WriteToClient(client, + rep.clientDriverNameLength, + clientDriverName); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRICreateContext (register ClientPtr client) +{ + xXF86DRICreateContextReply rep; + ScreenPtr pScreen; + VisualPtr visual; + int i=0; + unsigned long context_id=0; + REQUEST(xXF86DRICreateContextReq); + REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + pScreen = screenInfo.screens[stuff->screen]; + visual = pScreen->visuals; + + /* Find the requested X visual */ + for (i = 0; i < pScreen->numVisuals; i++, visual++) + if (visual->vid == stuff->visual) + break; + if (i == pScreen->numVisuals) { + /* No visual found */ + return BadValue; + } + + context_id = stuff->context ; + if (!ephyrDRICreateContext (stuff->screen, + stuff->visual, + &context_id, + (drm_context_t *)&rep.hHWContext)) { + return BadValue; + } + + WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIDestroyContext (register ClientPtr client) +{ + REQUEST(xXF86DRIDestroyContextReq); + REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); + EPHYR_LOG ("enter\n") ; + + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + if (!ephyrDRIDestroyContext (stuff->screen, stuff->context)) { + return BadValue; + } + + EPHYR_LOG ("leave\n") ; + return Success; +} + +static Bool +getWindowVisual (const WindowPtr a_win, + VisualPtr *a_visual) +{ + int i=0, visual_id=0 ; + EPHYR_RETURN_VAL_IF_FAIL (a_win + && a_win->drawable.pScreen + && a_win->drawable.pScreen->visuals, + FALSE) ; + + visual_id = wVisual (a_win) ; + for (i=0; i < a_win->drawable.pScreen->numVisuals; i++) { + if (a_win->drawable.pScreen->visuals[i].vid == visual_id) { + *a_visual = &a_win->drawable.pScreen->visuals[i] ; + return TRUE ; + } + } + return FALSE ; +} + + +#define NUM_WINDOW_PAIRS 256 +static EphyrWindowPair window_pairs[NUM_WINDOW_PAIRS] ; + +static Bool +appendWindowPairToList (WindowPtr a_local, + int a_remote) +{ + int i=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_local, FALSE) ; + + EPHYR_LOG ("(local,remote):(%p, %d)\n", a_local, a_remote) ; + + for (i=0; i < NUM_WINDOW_PAIRS; i++) { + if (window_pairs[i].local == NULL) { + window_pairs[i].local = a_local ; + window_pairs[i].remote = a_remote ; + return TRUE ; + } + } + return FALSE ; +} + +static Bool +findWindowPairFromLocal (WindowPtr a_local, + EphyrWindowPair **a_pair) +{ + int i=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_pair && a_local, FALSE) ; + + for (i=0; i < NUM_WINDOW_PAIRS; i++) { + if (window_pairs[i].local == a_local) { + *a_pair = &window_pairs[i] ; + EPHYR_LOG ("found (%p, %d)\n", + (*a_pair)->local, + (*a_pair)->remote) ; + return TRUE ; + } + } + return FALSE ; +} + +Bool +findWindowPairFromRemote (int a_remote, + EphyrWindowPair **a_pair) +{ + int i=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_pair, FALSE) ; + + for (i=0; i < NUM_WINDOW_PAIRS; i++) { + if (window_pairs[i].remote == a_remote) { + *a_pair = &window_pairs[i] ; + EPHYR_LOG ("found (%p, %d)\n", + (*a_pair)->local, + (*a_pair)->remote) ; + return TRUE ; + } + } + return FALSE ; +} + +static Bool +createHostPeerWindow (const WindowPtr a_win, + int *a_peer_win) +{ + Bool is_ok=FALSE ; + VisualPtr visual=NULL; + EphyrBox geo ; + + EPHYR_RETURN_VAL_IF_FAIL (a_win && a_peer_win, FALSE) ; + EPHYR_RETURN_VAL_IF_FAIL (a_win->drawable.pScreen, + FALSE) ; + + EPHYR_LOG ("enter. a_win '%p'\n", a_win) ; + if (!getWindowVisual (a_win, &visual)) { + EPHYR_LOG_ERROR ("failed to get window visual\n") ; + goto out ; + } + if (!visual) { + EPHYR_LOG_ERROR ("failed to create visual\n") ; + goto out ; + } + memset (&geo, 0, sizeof (geo)) ; + geo.x = a_win->drawable.x ; + geo.y = a_win->drawable.y ; + geo.width = a_win->drawable.width ; + geo.height = a_win->drawable.height ; + if (!hostx_create_window (a_win->drawable.pScreen->myNum, + &geo, visual->vid, a_peer_win)) { + EPHYR_LOG_ERROR ("failed to create host peer window\n") ; + goto out ; + } + if (!appendWindowPairToList (a_win, *a_peer_win)) { + EPHYR_LOG_ERROR ("failed to append window to pair list\n") ; + goto out ; + } + is_ok = TRUE ; +out: + EPHYR_LOG ("leave:remote win%d\n", *a_peer_win) ; + return is_ok ; +} + +static Bool +destroyHostPeerWindow (const WindowPtr a_win) +{ + Bool is_ok = FALSE ; + EphyrWindowPair *pair=NULL ; + EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ; + + EPHYR_LOG ("enter\n") ; + + if (!findWindowPairFromLocal (a_win, &pair) || !pair) { + EPHYR_LOG_ERROR ("failed to find peer to local window\n") ; + goto out; + } + hostx_destroy_window (pair->remote) ; + is_ok = TRUE ; + +out: + EPHYR_LOG ("leave\n") ; + return is_ok; +} + +static int +ProcXF86DRICreateDrawable (ClientPtr client) +{ + xXF86DRICreateDrawableReply rep; + DrawablePtr drawable=NULL; + WindowPtr window=NULL ; + EphyrWindowPair *pair=NULL ; + EphyrDRIWindowPrivPtr win_priv=NULL; + int rc=0, remote_win=0; + REQUEST(xXF86DRICreateDrawableReq); + REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rc = dixLookupDrawable (&drawable, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + if (drawable->type != DRAWABLE_WINDOW) { + EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ; + return BadImplementation ; + } + EPHYR_LOG ("lookedup drawable %p\n", drawable) ; + window = (WindowPtr)drawable; + if (findWindowPairFromLocal (window, &pair) && pair) { + remote_win = pair->remote ; + EPHYR_LOG ("found window '%p' paire with remote '%d'\n", + window, remote_win) ; + } else if (!createHostPeerWindow (window, &remote_win)) { + EPHYR_LOG_ERROR ("failed to create host peer window\n") ; + return BadAlloc ; + } + + if (!ephyrDRICreateDrawable (stuff->screen, + remote_win, + (drm_drawable_t *)&rep.hHWDrawable)) { + EPHYR_LOG_ERROR ("failed to create dri drawable\n") ; + return BadValue; + } + + win_priv = GET_EPHYR_DRI_WINDOW_PRIV (window) ; + if (!win_priv) { + win_priv = calloc(1, sizeof (EphyrDRIWindowPrivRec)) ; + if (!win_priv) { + EPHYR_LOG_ERROR ("failed to allocate window private\n") ; + return BadAlloc ; + } + dixSetPrivate(&window->devPrivates, ephyrDRIWindowKey, win_priv); + EPHYR_LOG ("paired window '%p' with remote '%d'\n", + window, remote_win) ; + } + + WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep); + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIDestroyDrawable (register ClientPtr client) +{ + DrawablePtr drawable=NULL; + WindowPtr window=NULL; + EphyrWindowPair *pair=NULL; + int rc=0; + REQUEST(xXF86DRIDestroyDrawableReq); + REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rc = dixLookupDrawable(&drawable, + stuff->drawable, + client, + 0, + DixReadAccess); + if (rc != Success) + return rc; + if (drawable->type != DRAWABLE_WINDOW) { + EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ; + return BadImplementation ; + } + window = (WindowPtr)drawable; + if (!findWindowPairFromLocal (window, &pair) && pair) { + EPHYR_LOG_ERROR ("failed to find pair window\n") ; + return BadImplementation; + } + if (!ephyrDRIDestroyDrawable(stuff->screen, + pair->remote/*drawable in host x*/)) { + EPHYR_LOG_ERROR ("failed to destroy dri drawable\n") ; + return BadImplementation; + } + pair->local=NULL ; + pair->remote=0; + + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIGetDrawableInfo (register ClientPtr client) +{ + xXF86DRIGetDrawableInfoReply rep; + DrawablePtr drawable; + WindowPtr window=NULL; + EphyrWindowPair *pair=NULL; + int X=0, Y=0, W=0, H=0, backX=0, backY=0, rc=0, i=0; + drm_clip_rect_t *clipRects=NULL; + drm_clip_rect_t *backClipRects=NULL; + REQUEST(xXF86DRIGetDrawableInfoReq); + REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); + + EPHYR_LOG ("enter\n") ; + memset (&rep, 0, sizeof (rep)) ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success || !drawable) { + EPHYR_LOG_ERROR ("could not get drawable\n") ; + return rc; + } + + if (drawable->type != DRAWABLE_WINDOW) { + EPHYR_LOG_ERROR ("non windows type drawables are not yes supported\n") ; + return BadImplementation ; + } + window = (WindowPtr)drawable ; + memset (&pair, 0, sizeof (pair)) ; + if (!findWindowPairFromLocal (window, &pair) || !pair) { + EPHYR_LOG_ERROR ("failed to find remote peer drawable\n") ; + return BadMatch ; + } + EPHYR_LOG ("clip list of xephyr gl drawable:\n") ; + for (i=0; i < RegionNumRects (&window->clipList); i++) { + EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n", + RegionRects (&window->clipList)[i].x1, + RegionRects (&window->clipList)[i].y1, + RegionRects (&window->clipList)[i].x2, + RegionRects (&window->clipList)[i].y2) ; + } + + if (!ephyrDRIGetDrawableInfo (stuff->screen, + pair->remote/*the drawable in hostx*/, + (unsigned int*)&rep.drawableTableIndex, + (unsigned int*)&rep.drawableTableStamp, + (int*)&X, + (int*)&Y, + (int*)&W, + (int*)&H, + (int*)&rep.numClipRects, + &clipRects, + &backX, + &backY, + (int*)&rep.numBackClipRects, + &backClipRects)) { + return BadValue; + } + EPHYR_LOG ("num clip rects:%d, num back clip rects:%d\n", + (int)rep.numClipRects, (int)rep.numBackClipRects) ; + + rep.drawableX = X; + rep.drawableY = Y; + rep.drawableWidth = W; + rep.drawableHeight = H; + rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - + SIZEOF(xGenericReply)); + + rep.backX = backX; + rep.backY = backY; + + + if (rep.numClipRects) { + if (clipRects) { + ScreenPtr pScreen = screenInfo.screens[stuff->screen]; + int i=0; + EPHYR_LOG ("clip list of host gl drawable:\n") ; + for (i = 0; i < rep.numClipRects; i++) { + clipRects[i].x1 = max (clipRects[i].x1, 0); + clipRects[i].y1 = max (clipRects[i].y1, 0); + clipRects[i].x2 = min (clipRects[i].x2, + pScreen->width + clipRects[i].x1) ; + clipRects[i].y2 = min (clipRects[i].y2, + pScreen->width + clipRects[i].y1) ; + + EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n", + clipRects[i].x1, clipRects[i].y1, + clipRects[i].x2, clipRects[i].y2) ; + } + } else { + rep.numClipRects = 0; + } + } else { + EPHYR_LOG ("got zero host gl drawable clipping rects\n") ; + } + rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; + backClipRects = clipRects ; + rep.numBackClipRects = rep.numClipRects ; + if (rep.numBackClipRects) + rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; + EPHYR_LOG ("num host clip rects:%d\n", (int)rep.numClipRects) ; + EPHYR_LOG ("num host back clip rects:%d\n", (int)rep.numBackClipRects) ; + + rep.length = bytes_to_int32(rep.length); + + WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep); + + if (rep.numClipRects) { + WriteToClient(client, + sizeof(drm_clip_rect_t) * rep.numClipRects, + (char *)clipRects); + } + + if (rep.numBackClipRects) { + WriteToClient(client, + sizeof(drm_clip_rect_t) * rep.numBackClipRects, + (char *)backClipRects); + } + free(clipRects); + clipRects = NULL ; + + EPHYR_LOG ("leave\n") ; + + return Success; +} + +static int +ProcXF86DRIGetDeviceInfo (register ClientPtr client) +{ + xXF86DRIGetDeviceInfoReply rep; + drm_handle_t hFrameBuffer; + void *pDevPrivate; + REQUEST(xXF86DRIGetDeviceInfoReq); + REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); + + EPHYR_LOG ("enter\n") ; + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if (!ephyrDRIGetDeviceInfo (stuff->screen, + &hFrameBuffer, + (int*)&rep.framebufferOrigin, + (int*)&rep.framebufferSize, + (int*)&rep.framebufferStride, + (int*)&rep.devPrivateSize, + &pDevPrivate)) { + return BadValue; + } + + rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff); +#if defined(LONG64) && !defined(__linux__) + rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32); +#else + rep.hFrameBufferHigh = 0; +#endif + + rep.length = 0; + if (rep.devPrivateSize) { + rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) - + SIZEOF(xGenericReply) + + pad_to_int32(rep.devPrivateSize)); + } + + WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep); + if (rep.length) { + WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate); + } + EPHYR_LOG ("leave\n") ; + return Success; +} + +static int +ProcXF86DRIDispatch (register ClientPtr client) +{ + REQUEST(xReq); + EPHYR_LOG ("enter\n") ; + + switch (stuff->data) + { + case X_XF86DRIQueryVersion: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIQueryVersion(client); + } + case X_XF86DRIQueryDirectRenderingCapable: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIQueryDirectRenderingCapable(client); + } + } + + if (!LocalClient(client)) + return DRIErrorBase + XF86DRIClientNotLocal; + + switch (stuff->data) + { + case X_XF86DRIOpenConnection: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIOpenConnection(client); + } + case X_XF86DRICloseConnection: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRICloseConnection(client); + } + case X_XF86DRIGetClientDriverName: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIGetClientDriverName(client); + } + case X_XF86DRICreateContext: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRICreateContext(client); + } + case X_XF86DRIDestroyContext: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIDestroyContext(client); + } + case X_XF86DRICreateDrawable: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRICreateDrawable(client); + } + case X_XF86DRIDestroyDrawable: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIDestroyDrawable(client); + } + case X_XF86DRIGetDrawableInfo: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIGetDrawableInfo(client); + } + case X_XF86DRIGetDeviceInfo: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIGetDeviceInfo(client); + } + case X_XF86DRIAuthConnection: { + EPHYR_LOG ("leave\n") ; + return ProcXF86DRIAuthConnection(client); + } + /* {Open,Close}FullScreen are deprecated now */ + default: { + EPHYR_LOG ("leave\n") ; + return BadRequest; + } + } +} + +static int +SProcXF86DRIQueryVersion (register ClientPtr client) +{ + register int n; + REQUEST(xXF86DRIQueryVersionReq); + swaps(&stuff->length, n); + return ProcXF86DRIQueryVersion(client); +} + +static int +SProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client) +{ + register int n; + REQUEST(xXF86DRIQueryDirectRenderingCapableReq); + swaps(&stuff->length, n); + swapl(&stuff->screen, n); + return ProcXF86DRIQueryDirectRenderingCapable(client); +} + +static int +SProcXF86DRIDispatch (register ClientPtr client) +{ + REQUEST(xReq); + + EPHYR_LOG ("enter\n") ; + /* + * Only local clients are allowed DRI access, but remote clients still need + * these requests to find out cleanly. + */ + switch (stuff->data) + { + case X_XF86DRIQueryVersion: { + EPHYR_LOG ("leave\n") ; + return SProcXF86DRIQueryVersion(client); + } + case X_XF86DRIQueryDirectRenderingCapable: { + EPHYR_LOG ("leave\n") ; + return SProcXF86DRIQueryDirectRenderingCapable(client); + } + default: { + EPHYR_LOG ("leave\n") ; + return DRIErrorBase + XF86DRIClientNotLocal; + } + } +} + +Bool +ephyrDRIExtensionInit (ScreenPtr a_screen) +{ + Bool is_ok=FALSE ; + ExtensionEntry* extEntry=NULL; + EphyrDRIScreenPrivPtr screen_priv=NULL ; + + EPHYR_LOG ("enter\n") ; + if (!hostx_has_dri ()) { + EPHYR_LOG ("host does not have DRI extension\n") ; + goto out ; + } + EPHYR_LOG ("host X does have DRI extension\n") ; + if (!hostx_has_xshape ()) { + EPHYR_LOG ("host does not have XShape extension\n") ; + goto out ; + } + EPHYR_LOG ("host X does have XShape extension\n") ; + +#ifdef XF86DRI_EVENTS + EventType = CreateNewResourceType (XF86DRIFreeEvents, "DRIEvents"); + if (!EventType) { + EPHYR_LOG_ERROR ("failed to register DRI event resource type\n") ; + goto out ; + } +#endif + + if ((extEntry = AddExtension(XF86DRINAME, + XF86DRINumberEvents, + XF86DRINumberErrors, + ProcXF86DRIDispatch, + SProcXF86DRIDispatch, + NULL, + StandardMinorOpcode))) { + DRIReqCode = (unsigned char)extEntry->base; + DRIErrorBase = extEntry->errorBase; + } else { + EPHYR_LOG_ERROR ("failed to register DRI extension\n") ; + goto out ; + } + if (!dixRegisterPrivateKey(&ephyrDRIScreenKeyRec, PRIVATE_SCREEN, 0)) + goto out ; + if (!dixRegisterPrivateKey(&ephyrDRIWindowKeyRec, PRIVATE_WINDOW, 0)) + goto out ; + screen_priv = calloc(1, sizeof (EphyrDRIScreenPrivRec)) ; + if (!screen_priv) { + EPHYR_LOG_ERROR ("failed to allocate screen_priv\n") ; + goto out ; + } + dixSetPrivate(&a_screen->devPrivates, ephyrDRIScreenKey, screen_priv); + + if (!ephyrDRIScreenInit (a_screen)) { + EPHYR_LOG_ERROR ("ephyrDRIScreenInit() failed\n") ; + goto out ; + } + EphyrMirrorHostVisuals (a_screen) ; + is_ok=TRUE ; +out: + EPHYR_LOG ("leave\n") ; + return is_ok ; +} -- cgit v1.2.3