/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86xvmc.c,v 1.7 2004/02/13 23:58:40 dawes Exp $ */ /* * Copyright (c) 2001-2003 by The XFree86 Project, 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, sublicense, 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: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution, and in the same place and form as other copyright, * license and disclaimer information. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: "This product * includes software developed by The XFree86 Project, Inc * (http://www.xfree86.org/) and its contributors", in the same * place and form as other third-party acknowledgments. Alternately, * this acknowledgment may appear in the software itself, in the * same form and location as other such third-party acknowledgments. * * 4. Except as contained in this notice, the name of The XFree86 * Project, Inc shall not be used in advertising or otherwise to * promote the sale, use or other dealings in this Software without * prior written authorization from The XFree86 Project, Inc. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE XFREE86 PROJECT, INC OR ITS CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "misc.h" #include "xf86.h" #include "xf86_OSproc.h" #include "X.h" #include "Xproto.h" #include "scrnintstr.h" #include "resource.h" #include "dixstruct.h" #ifdef XFree86LOADER #include "xvmodproc.h" #endif #include "xf86xvpriv.h" #include "xf86xvmc.h" #ifdef XFree86LOADER int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = NULL; #else int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = XvMCScreenInit; #endif typedef struct { CloseScreenProcPtr CloseScreen; int num_adaptors; XF86MCAdaptorPtr *adaptors; XvMCAdaptorPtr dixinfo; } xf86XvMCScreenRec, *xf86XvMCScreenPtr; static unsigned long XF86XvMCGeneration = 0; static int XF86XvMCScreenIndex = -1; #define XF86XVMC_GET_PRIVATE(pScreen) \ (xf86XvMCScreenPtr)((pScreen)->devPrivates[XF86XvMCScreenIndex].ptr) static int xf86XvMCCreateContext ( XvPortPtr pPort, XvMCContextPtr pContext, int *num_priv, CARD32 **priv ) { xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; pContext->port_priv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateContext)( pScrn, pContext, num_priv, priv); } static void xf86XvMCDestroyContext ( XvMCContextPtr pContext) { xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; (*pScreenPriv->adaptors[pContext->adapt_num]->DestroyContext)( pScrn, pContext); } static int xf86XvMCCreateSurface ( XvMCSurfacePtr pSurface, int *num_priv, CARD32 **priv ) { XvMCContextPtr pContext = pSurface->context; xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSurface)( pScrn, pSurface, num_priv, priv); } static void xf86XvMCDestroySurface (XvMCSurfacePtr pSurface) { XvMCContextPtr pContext = pSurface->context; xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySurface)( pScrn, pSurface); } static int xf86XvMCCreateSubpicture ( XvMCSubpicturePtr pSubpicture, int *num_priv, CARD32 **priv ) { XvMCContextPtr pContext = pSubpicture->context; xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSubpicture)( pScrn, pSubpicture, num_priv, priv); } static void xf86XvMCDestroySubpicture (XvMCSubpicturePtr pSubpicture) { XvMCContextPtr pContext = pSubpicture->context; xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen); ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum]; (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySubpicture)( pScrn, pSubpicture); } static Bool xf86XvMCCloseScreen (int i, ScreenPtr pScreen) { xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pScreen); pScreen->CloseScreen = pScreenPriv->CloseScreen; xfree(pScreenPriv->dixinfo); xfree(pScreenPriv); return (*pScreen->CloseScreen)(i, pScreen); } Bool xf86XvMCScreenInit( ScreenPtr pScreen, int num_adaptors, XF86MCAdaptorPtr *adaptors ) { XvMCAdaptorPtr pAdapt; xf86XvMCScreenPtr pScreenPriv; XvScreenPtr pxvs = (XvScreenPtr)(pScreen->devPrivates[XF86XvScreenIndex].ptr); int i, j; if(!XvMCScreenInitProc) return FALSE; if(XF86XvMCGeneration != serverGeneration) { if((XF86XvMCScreenIndex = AllocateScreenPrivateIndex()) < 0) return FALSE; XF86XvMCGeneration = serverGeneration; } if(!(pAdapt = xalloc(sizeof(XvMCAdaptorRec) * num_adaptors))) return FALSE; if(!(pScreenPriv = xalloc(sizeof(xf86XvMCScreenRec)))) { xfree(pAdapt); return FALSE; } pScreen->devPrivates[XF86XvMCScreenIndex].ptr = (pointer)pScreenPriv; pScreenPriv->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = xf86XvMCCloseScreen; pScreenPriv->num_adaptors = num_adaptors; pScreenPriv->adaptors = adaptors; pScreenPriv->dixinfo = pAdapt; for(i = 0; i < num_adaptors; i++) { pAdapt[i].xv_adaptor = NULL; for(j = 0; j < pxvs->nAdaptors; j++) { if(!strcmp((*adaptors)->name, pxvs->pAdaptors[j].name)) { pAdapt[i].xv_adaptor = &(pxvs->pAdaptors[j]); break; } } if(!pAdapt[i].xv_adaptor) { /* no adaptor by that name */ xfree(pAdapt); return FALSE; } pAdapt[i].num_surfaces = (*adaptors)->num_surfaces; pAdapt[i].surfaces = (XvMCSurfaceInfoPtr*)((*adaptors)->surfaces); pAdapt[i].num_subpictures = (*adaptors)->num_subpictures; pAdapt[i].subpictures = (XvImagePtr*)((*adaptors)->subpictures); pAdapt[i].CreateContext = xf86XvMCCreateContext; pAdapt[i].DestroyContext = xf86XvMCDestroyContext; pAdapt[i].CreateSurface = xf86XvMCCreateSurface; pAdapt[i].DestroySurface = xf86XvMCDestroySurface; pAdapt[i].CreateSubpicture = xf86XvMCCreateSubpicture; pAdapt[i].DestroySubpicture = xf86XvMCDestroySubpicture; adaptors++; } if(Success != (*XvMCScreenInitProc)(pScreen, num_adaptors, pAdapt)) return FALSE; return TRUE; } XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec (void) { return xcalloc(1, sizeof(XF86MCAdaptorRec)); } void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor) { xfree(adaptor); }