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/* $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;
}
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