diff options
Diffstat (limited to 'hw/xfree86/common/xf86xvmc.c')
| -rw-r--r-- | hw/xfree86/common/xf86xvmc.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86xvmc.c b/hw/xfree86/common/xf86xvmc.c new file mode 100644 index 000000000..4559359ec --- /dev/null +++ b/hw/xfree86/common/xf86xvmc.c @@ -0,0 +1,201 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86xvmc.c,v 1.3 2001/04/01 14:00:08 tsi Exp $ */ + +#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 "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; +} |