diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86xvmc.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86xvmc.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86xvmc.c b/xorg-server/hw/xfree86/common/xf86xvmc.c new file mode 100644 index 000000000..05267a240 --- /dev/null +++ b/xorg-server/hw/xfree86/common/xf86xvmc.c @@ -0,0 +1,229 @@ + +/* + * Copyright (c) 2001-2003 by The XFree86 Project, Inc. + * + * 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: + * + * The above copyright notice and this permission notice 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) 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 copyright holder(s) and author(s). + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "scrnintstr.h" +#include "resource.h" +#include "dixstruct.h" + +#include "xvmodproc.h" + +#include "xf86xvpriv.h" +#include "xf86xvmc.h" + +typedef int (*XvMCScreenInitProcPtr)(ScreenPtr, int, XvMCAdaptorPtr); +_X_EXPORT XvMCScreenInitProcPtr XvMCScreenInitProc = NULL; + + +typedef struct { + CloseScreenProcPtr CloseScreen; + int num_adaptors; + XF86MCAdaptorPtr *adaptors; + XvMCAdaptorPtr dixinfo; +} xf86XvMCScreenRec, *xf86XvMCScreenPtr; + +static DevPrivateKey XF86XvMCScreenKey = &XF86XvMCScreenKey; + +#define XF86XVMC_GET_PRIVATE(pScreen) (xf86XvMCScreenPtr) \ + dixLookupPrivate(&(pScreen)->devPrivates, XF86XvMCScreenKey) + + +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); +} + +_X_EXPORT Bool xf86XvMCScreenInit( + ScreenPtr pScreen, + int num_adaptors, + XF86MCAdaptorPtr *adaptors +) +{ + XvMCAdaptorPtr pAdapt; + xf86XvMCScreenPtr pScreenPriv; + XvScreenPtr pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + XF86XvScreenKey); + int i, j; + + if(!XvMCScreenInitProc) return FALSE; + + if(!(pAdapt = xalloc(sizeof(XvMCAdaptorRec) * num_adaptors))) + return FALSE; + + if(!(pScreenPriv = xalloc(sizeof(xf86XvMCScreenRec)))) { + xfree(pAdapt); + return FALSE; + } + + dixSetPrivate(&pScreen->devPrivates, XF86XvMCScreenKey, 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; +} + +_X_EXPORT XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec (void) +{ + return xcalloc(1, sizeof(XF86MCAdaptorRec)); +} + +_X_EXPORT void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor) +{ + xfree(adaptor); +} |