240 lines
7.1 KiB
C
240 lines
7.1 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86xvmc.c,v 1.6 2003/10/08 22:31:59 mvojkovi Exp $ */
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/*
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* Copyright (c) 2001-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#include "misc.h"
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#include "xf86.h"
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#include "xf86_OSproc.h"
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#include "X.h"
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#include "Xproto.h"
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#include "scrnintstr.h"
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#include "resource.h"
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#include "dixstruct.h"
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#ifdef XFree86LOADER
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#include "xvmodproc.h"
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#endif
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#include "xf86xvpriv.h"
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#include "xf86xvmc.h"
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#ifdef XFree86LOADER
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int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = NULL;
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#else
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int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = XvMCScreenInit;
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#endif
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typedef struct {
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CloseScreenProcPtr CloseScreen;
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int num_adaptors;
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XF86MCAdaptorPtr *adaptors;
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XvMCAdaptorPtr dixinfo;
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} xf86XvMCScreenRec, *xf86XvMCScreenPtr;
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static unsigned long XF86XvMCGeneration = 0;
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static int XF86XvMCScreenIndex = -1;
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#define XF86XVMC_GET_PRIVATE(pScreen) \
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(xf86XvMCScreenPtr)((pScreen)->devPrivates[XF86XvMCScreenIndex].ptr)
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static int
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xf86XvMCCreateContext (
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XvPortPtr pPort,
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XvMCContextPtr pContext,
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int *num_priv,
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CARD32 **priv
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)
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{
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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pContext->port_priv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
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return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateContext)(
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pScrn, pContext, num_priv, priv);
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}
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static void
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xf86XvMCDestroyContext ( XvMCContextPtr pContext)
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{
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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(*pScreenPriv->adaptors[pContext->adapt_num]->DestroyContext)(
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pScrn, pContext);
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}
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static int
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xf86XvMCCreateSurface (
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XvMCSurfacePtr pSurface,
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int *num_priv,
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CARD32 **priv
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)
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{
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XvMCContextPtr pContext = pSurface->context;
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSurface)(
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pScrn, pSurface, num_priv, priv);
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}
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static void
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xf86XvMCDestroySurface (XvMCSurfacePtr pSurface)
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{
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XvMCContextPtr pContext = pSurface->context;
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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(*pScreenPriv->adaptors[pContext->adapt_num]->DestroySurface)(
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pScrn, pSurface);
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}
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static int
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xf86XvMCCreateSubpicture (
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XvMCSubpicturePtr pSubpicture,
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int *num_priv,
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CARD32 **priv
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)
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{
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XvMCContextPtr pContext = pSubpicture->context;
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSubpicture)(
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pScrn, pSubpicture, num_priv, priv);
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}
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static void
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xf86XvMCDestroySubpicture (XvMCSubpicturePtr pSubpicture)
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{
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XvMCContextPtr pContext = pSubpicture->context;
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
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ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
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(*pScreenPriv->adaptors[pContext->adapt_num]->DestroySubpicture)(
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pScrn, pSubpicture);
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}
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static Bool
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xf86XvMCCloseScreen (int i, ScreenPtr pScreen)
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{
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xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pScreen);
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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xfree(pScreenPriv->dixinfo);
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xfree(pScreenPriv);
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return (*pScreen->CloseScreen)(i, pScreen);
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}
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Bool xf86XvMCScreenInit(
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ScreenPtr pScreen,
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int num_adaptors,
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XF86MCAdaptorPtr *adaptors
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)
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{
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XvMCAdaptorPtr pAdapt;
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xf86XvMCScreenPtr pScreenPriv;
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XvScreenPtr pxvs =
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(XvScreenPtr)(pScreen->devPrivates[XF86XvScreenIndex].ptr);
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int i, j;
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if(!XvMCScreenInitProc) return FALSE;
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if(XF86XvMCGeneration != serverGeneration) {
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if((XF86XvMCScreenIndex = AllocateScreenPrivateIndex()) < 0)
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return FALSE;
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XF86XvMCGeneration = serverGeneration;
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}
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if(!(pAdapt = xalloc(sizeof(XvMCAdaptorRec) * num_adaptors)))
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return FALSE;
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if(!(pScreenPriv = xalloc(sizeof(xf86XvMCScreenRec)))) {
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xfree(pAdapt);
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return FALSE;
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}
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pScreen->devPrivates[XF86XvMCScreenIndex].ptr = (pointer)pScreenPriv;
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = xf86XvMCCloseScreen;
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pScreenPriv->num_adaptors = num_adaptors;
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pScreenPriv->adaptors = adaptors;
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pScreenPriv->dixinfo = pAdapt;
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for(i = 0; i < num_adaptors; i++) {
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pAdapt[i].xv_adaptor = NULL;
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for(j = 0; j < pxvs->nAdaptors; j++) {
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if(!strcmp((*adaptors)->name, pxvs->pAdaptors[j].name)) {
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pAdapt[i].xv_adaptor = &(pxvs->pAdaptors[j]);
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break;
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}
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}
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if(!pAdapt[i].xv_adaptor) {
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/* no adaptor by that name */
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xfree(pAdapt);
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return FALSE;
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}
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pAdapt[i].num_surfaces = (*adaptors)->num_surfaces;
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pAdapt[i].surfaces = (XvMCSurfaceInfoPtr*)((*adaptors)->surfaces);
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pAdapt[i].num_subpictures = (*adaptors)->num_subpictures;
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pAdapt[i].subpictures = (XvImagePtr*)((*adaptors)->subpictures);
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pAdapt[i].CreateContext = xf86XvMCCreateContext;
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pAdapt[i].DestroyContext = xf86XvMCDestroyContext;
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pAdapt[i].CreateSurface = xf86XvMCCreateSurface;
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pAdapt[i].DestroySurface = xf86XvMCDestroySurface;
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pAdapt[i].CreateSubpicture = xf86XvMCCreateSubpicture;
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pAdapt[i].DestroySubpicture = xf86XvMCDestroySubpicture;
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adaptors++;
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}
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if(Success != (*XvMCScreenInitProc)(pScreen, num_adaptors, pAdapt))
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return FALSE;
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return TRUE;
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}
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XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec (void)
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{
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return xcalloc(1, sizeof(XF86MCAdaptorRec));
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}
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void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor)
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{
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xfree(adaptor);
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}
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