From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/Xext/xvmc.c | 1580 +++++++++++++++++++++++------------------------ 1 file changed, 790 insertions(+), 790 deletions(-) (limited to 'xorg-server/Xext/xvmc.c') diff --git a/xorg-server/Xext/xvmc.c b/xorg-server/Xext/xvmc.c index c3354ecef..bc78b55ae 100644 --- a/xorg-server/Xext/xvmc.c +++ b/xorg-server/Xext/xvmc.c @@ -1,790 +1,790 @@ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include - -#include -#include -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "resource.h" -#include "scrnintstr.h" -#include "extnsionst.h" -#include "servermd.h" -#include -#include "xvdix.h" -#include -#include -#include -#include "xvmcext.h" -#include "protocol-versions.h" - -#ifdef HAS_XVMCSHM -#include -#include -#include -#endif /* HAS_XVMCSHM */ - - - -#define DR_CLIENT_DRIVER_NAME_SIZE 48 -#define DR_BUSID_SIZE 48 - -static DevPrivateKeyRec XvMCScreenKeyRec; -#define XvMCScreenKey (&XvMCScreenKeyRec) -static Bool XvMCInUse; - -unsigned long XvMCGeneration = 0; - -int XvMCReqCode; -int XvMCEventBase; - -static RESTYPE XvMCRTContext; -static RESTYPE XvMCRTSurface; -static RESTYPE XvMCRTSubpicture; - -typedef struct { - int num_adaptors; - XvMCAdaptorPtr adaptors; - CloseScreenProcPtr CloseScreen; - char clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE]; - char busID[DR_BUSID_SIZE]; - int major; - int minor; - int patchLevel; -} XvMCScreenRec, *XvMCScreenPtr; - -#define XVMC_GET_PRIVATE(pScreen) \ - (XvMCScreenPtr)(dixLookupPrivate(&(pScreen)->devPrivates, XvMCScreenKey)) - - -static int -XvMCDestroyContextRes(pointer data, XID id) -{ - XvMCContextPtr pContext = (XvMCContextPtr)data; - - pContext->refcnt--; - - if(!pContext->refcnt) { - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - (*pScreenPriv->adaptors[pContext->adapt_num].DestroyContext)(pContext); - free(pContext); - } - - return Success; -} - -static int -XvMCDestroySurfaceRes(pointer data, XID id) -{ - XvMCSurfacePtr pSurface = (XvMCSurfacePtr)data; - XvMCContextPtr pContext = pSurface->context; - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - (*pScreenPriv->adaptors[pContext->adapt_num].DestroySurface)(pSurface); - free(pSurface); - - XvMCDestroyContextRes((pointer)pContext, pContext->context_id); - - return Success; -} - - -static int -XvMCDestroySubpictureRes(pointer data, XID id) -{ - XvMCSubpicturePtr pSubpict = (XvMCSubpicturePtr)data; - XvMCContextPtr pContext = pSubpict->context; - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - (*pScreenPriv->adaptors[pContext->adapt_num].DestroySubpicture)(pSubpict); - free(pSubpict); - - XvMCDestroyContextRes((pointer)pContext, pContext->context_id); - - return Success; -} - -static int -ProcXvMCQueryVersion(ClientPtr client) -{ - xvmcQueryVersionReply rep; - /* REQUEST(xvmcQueryVersionReq); */ - REQUEST_SIZE_MATCH(xvmcQueryVersionReq); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.major = SERVER_XVMC_MAJOR_VERSION; - rep.minor = SERVER_XVMC_MINOR_VERSION; - WriteToClient(client, sizeof(xvmcQueryVersionReply), (char*)&rep); - return Success; -} - - -static int -ProcXvMCListSurfaceTypes(ClientPtr client) -{ - XvPortPtr pPort; - int i; - XvMCScreenPtr pScreenPriv; - xvmcListSurfaceTypesReply rep; - xvmcSurfaceInfo info; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface; - REQUEST(xvmcListSurfaceTypesReq); - REQUEST_SIZE_MATCH(xvmcListSurfaceTypesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if(XvMCInUse) { /* any adaptors at all */ - ScreenPtr pScreen = pPort->pAdaptor->pScreen; - if((pScreenPriv = XVMC_GET_PRIVATE(pScreen))) { /* any this screen */ - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - } - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num = (adaptor) ? adaptor->num_surfaces : 0; - rep.length = bytes_to_int32(rep.num * sizeof(xvmcSurfaceInfo)); - - WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), (char*)&rep); - - for(i = 0; i < rep.num; i++) { - surface = adaptor->surfaces[i]; - info.surface_type_id = surface->surface_type_id; - info.chroma_format = surface->chroma_format; - info.max_width = surface->max_width; - info.max_height = surface->max_height; - info.subpicture_max_width = surface->subpicture_max_width; - info.subpicture_max_height = surface->subpicture_max_height; - info.mc_type = surface->mc_type; - info.flags = surface->flags; - WriteToClient(client, sizeof(xvmcSurfaceInfo), (char*)&info); - } - - return Success; -} - -static int -ProcXvMCCreateContext(ClientPtr client) -{ - XvPortPtr pPort; - CARD32 *data = NULL; - int dwords = 0; - int i, result, adapt_num = -1; - ScreenPtr pScreen; - XvMCContextPtr pContext; - XvMCScreenPtr pScreenPriv; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface = NULL; - xvmcCreateContextReply rep; - REQUEST(xvmcCreateContextReq); - REQUEST_SIZE_MATCH(xvmcCreateContextReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - - if(!XvMCInUse) /* no XvMC adaptors */ - return BadMatch; - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) /* none this screen */ - return BadMatch; - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - adapt_num = i; - break; - } - } - - if(adapt_num < 0) /* none this port */ - return BadMatch; - - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { - surface = adaptor->surfaces[i]; - break; - } - } - - /* adaptor doesn't support this suface_type_id */ - if(!surface) return BadMatch; - - - if((stuff->width > surface->max_width) || - (stuff->height > surface->max_height)) - return BadValue; - - if(!(pContext = malloc(sizeof(XvMCContextRec)))) { - return BadAlloc; - } - - - pContext->pScreen = pScreen; - pContext->adapt_num = adapt_num; - pContext->context_id = stuff->context_id; - pContext->surface_type_id = stuff->surface_type_id; - pContext->width = stuff->width; - pContext->height = stuff->height; - pContext->flags = stuff->flags; - pContext->refcnt = 1; - - result = (*adaptor->CreateContext)(pPort, pContext, &dwords, &data); - - if(result != Success) { - free(pContext); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.width_actual = pContext->width; - rep.height_actual = pContext->height; - rep.flags_return = pContext->flags; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateContextReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pContext->context_id, XvMCRTContext, pContext); - - free(data); - - return Success; -} - -static int -ProcXvMCDestroyContext(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroyContextReq); - REQUEST_SIZE_MATCH(xvmcDestroyContextReq); - - rc = dixLookupResourceByType(&val, stuff->context_id, XvMCRTContext, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->context_id, RT_NONE); - - return Success; -} - -static int -ProcXvMCCreateSurface(ClientPtr client) -{ - CARD32 *data = NULL; - int dwords = 0; - int result; - XvMCContextPtr pContext; - XvMCSurfacePtr pSurface; - XvMCScreenPtr pScreenPriv; - xvmcCreateSurfaceReply rep; - REQUEST(xvmcCreateSurfaceReq); - REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq); - - result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, - XvMCRTContext, client, DixUseAccess); - if (result != Success) - return result; - - pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - if(!(pSurface = malloc(sizeof(XvMCSurfaceRec)))) - return BadAlloc; - - pSurface->surface_id = stuff->surface_id; - pSurface->surface_type_id = pContext->surface_type_id; - pSurface->context = pContext; - - result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSurface)( - pSurface, &dwords, &data); - - if(result != Success) { - free(pSurface); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateSurfaceReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pSurface->surface_id, XvMCRTSurface, pSurface); - - free(data); - - pContext->refcnt++; - - return Success; -} - -static int -ProcXvMCDestroySurface(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroySurfaceReq); - REQUEST_SIZE_MATCH(xvmcDestroySurfaceReq); - - rc = dixLookupResourceByType(&val, stuff->surface_id, XvMCRTSurface, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->surface_id, RT_NONE); - - return Success; -} - -static int -ProcXvMCCreateSubpicture(ClientPtr client) -{ - Bool image_supported = FALSE; - CARD32 *data = NULL; - int i, result, dwords = 0; - XvMCContextPtr pContext; - XvMCSubpicturePtr pSubpicture; - XvMCScreenPtr pScreenPriv; - xvmcCreateSubpictureReply rep; - XvMCAdaptorPtr adaptor; - XvMCSurfaceInfoPtr surface = NULL; - REQUEST(xvmcCreateSubpictureReq); - REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq); - - result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, - XvMCRTContext, client, DixUseAccess); - if (result != Success) - return result; - - pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - adaptor = &(pScreenPriv->adaptors[pContext->adapt_num]); - - /* find which surface this context supports */ - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == pContext->surface_type_id){ - surface = adaptor->surfaces[i]; - break; - } - } - - if(!surface) return BadMatch; - - /* make sure this surface supports that xvimage format */ - if(!surface->compatible_subpictures) return BadMatch; - - for(i = 0; i < surface->compatible_subpictures->num_xvimages; i++) { - if(surface->compatible_subpictures->xvimage_ids[i] == stuff->xvimage_id) { - image_supported = TRUE; - break; - } - } - - if(!image_supported) return BadMatch; - - /* make sure the size is OK */ - if((stuff->width > surface->subpicture_max_width) || - (stuff->height > surface->subpicture_max_height)) - return BadValue; - - if(!(pSubpicture = malloc(sizeof(XvMCSubpictureRec)))) - return BadAlloc; - - pSubpicture->subpicture_id = stuff->subpicture_id; - pSubpicture->xvimage_id = stuff->xvimage_id; - pSubpicture->width = stuff->width; - pSubpicture->height = stuff->height; - pSubpicture->num_palette_entries = 0; /* overwritten by DDX */ - pSubpicture->entry_bytes = 0; /* overwritten by DDX */ - pSubpicture->component_order[0] = 0; /* overwritten by DDX */ - pSubpicture->component_order[1] = 0; - pSubpicture->component_order[2] = 0; - pSubpicture->component_order[3] = 0; - pSubpicture->context = pContext; - - result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSubpicture)( - pSubpicture, &dwords, &data); - - if(result != Success) { - free(pSubpicture); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.width_actual = pSubpicture->width; - rep.height_actual = pSubpicture->height; - rep.num_palette_entries = pSubpicture->num_palette_entries; - rep.entry_bytes = pSubpicture->entry_bytes; - rep.component_order[0] = pSubpicture->component_order[0]; - rep.component_order[1] = pSubpicture->component_order[1]; - rep.component_order[2] = pSubpicture->component_order[2]; - rep.component_order[3] = pSubpicture->component_order[3]; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateSubpictureReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture); - - free(data); - - pContext->refcnt++; - - return Success; -} - -static int -ProcXvMCDestroySubpicture(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroySubpictureReq); - REQUEST_SIZE_MATCH(xvmcDestroySubpictureReq); - - rc = dixLookupResourceByType(&val, stuff->subpicture_id, XvMCRTSubpicture, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->subpicture_id, RT_NONE); - - return Success; -} - - -static int -ProcXvMCListSubpictureTypes(ClientPtr client) -{ - XvPortPtr pPort; - xvmcListSubpictureTypesReply rep; - XvMCScreenPtr pScreenPriv; - ScreenPtr pScreen; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface = NULL; - xvImageFormatInfo info; - XvImagePtr pImage; - int i, j; - REQUEST(xvmcListSubpictureTypesReq); - REQUEST_SIZE_MATCH(xvmcListSubpictureTypesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return BadMatch; /* No XvMC adaptors */ - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) - return BadMatch; /* None this screen */ - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - - if(!adaptor) return BadMatch; - - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { - surface = adaptor->surfaces[i]; - break; - } - } - - if(!surface) return BadMatch; - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num = 0; - if(surface->compatible_subpictures) - rep.num = surface->compatible_subpictures->num_xvimages; - - rep.length = bytes_to_int32(rep.num * sizeof(xvImageFormatInfo)); - - WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), (char*)&rep); - - for(i = 0; i < rep.num; i++) { - pImage = NULL; - for(j = 0; j < adaptor->num_subpictures; j++) { - if(surface->compatible_subpictures->xvimage_ids[i] == - adaptor->subpictures[j]->id) - { - pImage = adaptor->subpictures[j]; - break; - } - } - if(!pImage) return BadImplementation; - - info.id = pImage->id; - info.type = pImage->type; - info.byte_order = pImage->byte_order; - memcpy(&info.guid, pImage->guid, 16); - info.bpp = pImage->bits_per_pixel; - info.num_planes = pImage->num_planes; - info.depth = pImage->depth; - info.red_mask = pImage->red_mask; - info.green_mask = pImage->green_mask; - info.blue_mask = pImage->blue_mask; - info.format = pImage->format; - info.y_sample_bits = pImage->y_sample_bits; - info.u_sample_bits = pImage->u_sample_bits; - info.v_sample_bits = pImage->v_sample_bits; - info.horz_y_period = pImage->horz_y_period; - info.horz_u_period = pImage->horz_u_period; - info.horz_v_period = pImage->horz_v_period; - info.vert_y_period = pImage->vert_y_period; - info.vert_u_period = pImage->vert_u_period; - info.vert_v_period = pImage->vert_v_period; - memcpy(&info.comp_order, pImage->component_order, 32); - info.scanline_order = pImage->scanline_order; - WriteToClient(client, sizeof(xvImageFormatInfo), (char*)&info); - } - - return Success; -} - -static int -ProcXvMCGetDRInfo(ClientPtr client) -{ - xvmcGetDRInfoReply rep; - XvPortPtr pPort; - ScreenPtr pScreen; - XvMCScreenPtr pScreenPriv; - -#ifdef HAS_XVMCSHM - volatile CARD32 *patternP; -#endif - - REQUEST(xvmcGetDRInfoReq); - REQUEST_SIZE_MATCH(xvmcGetDRInfoReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - pScreenPriv = XVMC_GET_PRIVATE(pScreen); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.major = pScreenPriv->major; - rep.minor = pScreenPriv->minor; - rep.patchLevel = pScreenPriv->patchLevel; - rep.nameLen = bytes_to_int32(strlen(pScreenPriv->clientDriverName) + 1); - rep.busIDLen = bytes_to_int32(strlen(pScreenPriv->busID) + 1); - - rep.length = rep.nameLen + rep.busIDLen; - rep.nameLen <<=2; - rep.busIDLen <<=2; - - /* - * Read back to the client what she has put in the shared memory - * segment she prepared for us. - */ - - rep.isLocal = 1; -#ifdef HAS_XVMCSHM - patternP = (CARD32 *)shmat( stuff->shmKey, NULL, SHM_RDONLY ); - if ( -1 != (long) patternP) { - volatile CARD32 *patternC = patternP; - int i; - CARD32 magic = stuff->magic; - - rep.isLocal = 1; - i = 1024 / sizeof(CARD32); - - while ( i-- ) { - if (*patternC++ != magic) { - rep.isLocal = 0; - break; - } - magic = ~magic; - } - shmdt( (char *)patternP ); - } -#endif /* HAS_XVMCSHM */ - - WriteToClient(client, sizeof(xvmcGetDRInfoReply), - (char*)&rep); - if (rep.length) { - WriteToClient(client, rep.nameLen, - pScreenPriv->clientDriverName); - WriteToClient(client, rep.busIDLen, - pScreenPriv->busID); - } - return Success; -} - - -int (*ProcXvMCVector[xvmcNumRequest])(ClientPtr) = { - ProcXvMCQueryVersion, - ProcXvMCListSurfaceTypes, - ProcXvMCCreateContext, - ProcXvMCDestroyContext, - ProcXvMCCreateSurface, - ProcXvMCDestroySurface, - ProcXvMCCreateSubpicture, - ProcXvMCDestroySubpicture, - ProcXvMCListSubpictureTypes, - ProcXvMCGetDRInfo -}; - -static int -ProcXvMCDispatch (ClientPtr client) -{ - REQUEST(xReq); - - if(stuff->data < xvmcNumRequest) - return (*ProcXvMCVector[stuff->data])(client); - else - return BadRequest; -} - -static int -SProcXvMCDispatch (ClientPtr client) -{ - /* We only support local */ - return BadImplementation; -} - -void -XvMCExtensionInit(void) -{ - ExtensionEntry *extEntry; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return; - - if(!(XvMCRTContext = CreateNewResourceType(XvMCDestroyContextRes, - "XvMCRTContext"))) - return; - - if(!(XvMCRTSurface = CreateNewResourceType(XvMCDestroySurfaceRes, - "XvMCRTSurface"))) - return; - - if(!(XvMCRTSubpicture = CreateNewResourceType(XvMCDestroySubpictureRes, - "XvMCRTSubpicture"))) - return; - - extEntry = AddExtension(XvMCName, XvMCNumEvents, XvMCNumErrors, - ProcXvMCDispatch, SProcXvMCDispatch, - NULL, StandardMinorOpcode); - - if(!extEntry) return; - - XvMCReqCode = extEntry->base; - XvMCEventBase = extEntry->eventBase; - SetResourceTypeErrorValue(XvMCRTContext, extEntry->errorBase + XvMCBadContext); - SetResourceTypeErrorValue(XvMCRTSurface, extEntry->errorBase + XvMCBadSurface); - SetResourceTypeErrorValue(XvMCRTSubpicture, extEntry->errorBase + XvMCBadSubpicture); -} - -static Bool -XvMCCloseScreen (int i, ScreenPtr pScreen) -{ - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); - - pScreen->CloseScreen = pScreenPriv->CloseScreen; - - free(pScreenPriv); - - return (*pScreen->CloseScreen)(i, pScreen); -} - - -int -XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt) -{ - XvMCScreenPtr pScreenPriv; - - if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) - return BadAlloc; - - if(!(pScreenPriv = malloc(sizeof(XvMCScreenRec)))) - return BadAlloc; - - dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv); - - pScreenPriv->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = XvMCCloseScreen; - - pScreenPriv->num_adaptors = num; - pScreenPriv->adaptors = pAdapt; - pScreenPriv->clientDriverName[0] = 0; - pScreenPriv->busID[0] = 0; - pScreenPriv->major = 0; - pScreenPriv->minor = 0; - pScreenPriv->patchLevel = 0; - - XvMCInUse = TRUE; - - return Success; -} - -XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id) -{ - XvImagePtr pImage = NULL; - ScreenPtr pScreen = pPort->pAdaptor->pScreen; - XvMCScreenPtr pScreenPriv; - XvMCAdaptorPtr adaptor = NULL; - int i; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return NULL; - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) - return NULL; - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - - if(!adaptor) return NULL; - - for(i = 0; i < adaptor->num_subpictures; i++) { - if(adaptor->subpictures[i]->id == id) { - pImage = adaptor->subpictures[i]; - break; - } - } - - return pImage; -} - -int -xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, - char *busID, int major, int minor, - int patchLevel) -{ - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); - strncpy(pScreenPriv->clientDriverName, name, - DR_CLIENT_DRIVER_NAME_SIZE); - strncpy(pScreenPriv->busID, busID, DR_BUSID_SIZE); - pScreenPriv->major = major; - pScreenPriv->minor = minor; - pScreenPriv->patchLevel = patchLevel; - pScreenPriv->clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE-1] = 0; - pScreenPriv->busID[DR_BUSID_SIZE-1] = 0; - return Success; -} - + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include + +#include +#include +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "resource.h" +#include "scrnintstr.h" +#include "extnsionst.h" +#include "servermd.h" +#include +#include "xvdix.h" +#include +#include +#include +#include "xvmcext.h" +#include "protocol-versions.h" + +#ifdef HAS_XVMCSHM +#include +#include +#include +#endif /* HAS_XVMCSHM */ + + + +#define DR_CLIENT_DRIVER_NAME_SIZE 48 +#define DR_BUSID_SIZE 48 + +static DevPrivateKeyRec XvMCScreenKeyRec; +#define XvMCScreenKey (&XvMCScreenKeyRec) +static Bool XvMCInUse; + +unsigned long XvMCGeneration = 0; + +int XvMCReqCode; +int XvMCEventBase; + +static RESTYPE XvMCRTContext; +static RESTYPE XvMCRTSurface; +static RESTYPE XvMCRTSubpicture; + +typedef struct { + int num_adaptors; + XvMCAdaptorPtr adaptors; + CloseScreenProcPtr CloseScreen; + char clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE]; + char busID[DR_BUSID_SIZE]; + int major; + int minor; + int patchLevel; +} XvMCScreenRec, *XvMCScreenPtr; + +#define XVMC_GET_PRIVATE(pScreen) \ + (XvMCScreenPtr)(dixLookupPrivate(&(pScreen)->devPrivates, XvMCScreenKey)) + + +static int +XvMCDestroyContextRes(pointer data, XID id) +{ + XvMCContextPtr pContext = (XvMCContextPtr)data; + + pContext->refcnt--; + + if(!pContext->refcnt) { + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + (*pScreenPriv->adaptors[pContext->adapt_num].DestroyContext)(pContext); + free(pContext); + } + + return Success; +} + +static int +XvMCDestroySurfaceRes(pointer data, XID id) +{ + XvMCSurfacePtr pSurface = (XvMCSurfacePtr)data; + XvMCContextPtr pContext = pSurface->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySurface)(pSurface); + free(pSurface); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + + +static int +XvMCDestroySubpictureRes(pointer data, XID id) +{ + XvMCSubpicturePtr pSubpict = (XvMCSubpicturePtr)data; + XvMCContextPtr pContext = pSubpict->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySubpicture)(pSubpict); + free(pSubpict); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + +static int +ProcXvMCQueryVersion(ClientPtr client) +{ + xvmcQueryVersionReply rep; + /* REQUEST(xvmcQueryVersionReq); */ + REQUEST_SIZE_MATCH(xvmcQueryVersionReq); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.major = SERVER_XVMC_MAJOR_VERSION; + rep.minor = SERVER_XVMC_MINOR_VERSION; + WriteToClient(client, sizeof(xvmcQueryVersionReply), (char*)&rep); + return Success; +} + + +static int +ProcXvMCListSurfaceTypes(ClientPtr client) +{ + XvPortPtr pPort; + int i; + XvMCScreenPtr pScreenPriv; + xvmcListSurfaceTypesReply rep; + xvmcSurfaceInfo info; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface; + REQUEST(xvmcListSurfaceTypesReq); + REQUEST_SIZE_MATCH(xvmcListSurfaceTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if(XvMCInUse) { /* any adaptors at all */ + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + if((pScreenPriv = XVMC_GET_PRIVATE(pScreen))) { /* any this screen */ + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + } + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = (adaptor) ? adaptor->num_surfaces : 0; + rep.length = bytes_to_int32(rep.num * sizeof(xvmcSurfaceInfo)); + + WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + surface = adaptor->surfaces[i]; + info.surface_type_id = surface->surface_type_id; + info.chroma_format = surface->chroma_format; + info.max_width = surface->max_width; + info.max_height = surface->max_height; + info.subpicture_max_width = surface->subpicture_max_width; + info.subpicture_max_height = surface->subpicture_max_height; + info.mc_type = surface->mc_type; + info.flags = surface->flags; + WriteToClient(client, sizeof(xvmcSurfaceInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCCreateContext(ClientPtr client) +{ + XvPortPtr pPort; + CARD32 *data = NULL; + int dwords = 0; + int i, result, adapt_num = -1; + ScreenPtr pScreen; + XvMCContextPtr pContext; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvmcCreateContextReply rep; + REQUEST(xvmcCreateContextReq); + REQUEST_SIZE_MATCH(xvmcCreateContextReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if(!XvMCInUse) /* no XvMC adaptors */ + return BadMatch; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) /* none this screen */ + return BadMatch; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + adapt_num = i; + break; + } + } + + if(adapt_num < 0) /* none this port */ + return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + /* adaptor doesn't support this suface_type_id */ + if(!surface) return BadMatch; + + + if((stuff->width > surface->max_width) || + (stuff->height > surface->max_height)) + return BadValue; + + if(!(pContext = malloc(sizeof(XvMCContextRec)))) { + return BadAlloc; + } + + + pContext->pScreen = pScreen; + pContext->adapt_num = adapt_num; + pContext->context_id = stuff->context_id; + pContext->surface_type_id = stuff->surface_type_id; + pContext->width = stuff->width; + pContext->height = stuff->height; + pContext->flags = stuff->flags; + pContext->refcnt = 1; + + result = (*adaptor->CreateContext)(pPort, pContext, &dwords, &data); + + if(result != Success) { + free(pContext); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pContext->width; + rep.height_actual = pContext->height; + rep.flags_return = pContext->flags; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateContextReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pContext->context_id, XvMCRTContext, pContext); + + free(data); + + return Success; +} + +static int +ProcXvMCDestroyContext(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroyContextReq); + REQUEST_SIZE_MATCH(xvmcDestroyContextReq); + + rc = dixLookupResourceByType(&val, stuff->context_id, XvMCRTContext, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->context_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSurface(ClientPtr client) +{ + CARD32 *data = NULL; + int dwords = 0; + int result; + XvMCContextPtr pContext; + XvMCSurfacePtr pSurface; + XvMCScreenPtr pScreenPriv; + xvmcCreateSurfaceReply rep; + REQUEST(xvmcCreateSurfaceReq); + REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + if(!(pSurface = malloc(sizeof(XvMCSurfaceRec)))) + return BadAlloc; + + pSurface->surface_id = stuff->surface_id; + pSurface->surface_type_id = pContext->surface_type_id; + pSurface->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSurface)( + pSurface, &dwords, &data); + + if(result != Success) { + free(pSurface); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSurfaceReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSurface->surface_id, XvMCRTSurface, pSurface); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySurface(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySurfaceReq); + REQUEST_SIZE_MATCH(xvmcDestroySurfaceReq); + + rc = dixLookupResourceByType(&val, stuff->surface_id, XvMCRTSurface, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->surface_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSubpicture(ClientPtr client) +{ + Bool image_supported = FALSE; + CARD32 *data = NULL; + int i, result, dwords = 0; + XvMCContextPtr pContext; + XvMCSubpicturePtr pSubpicture; + XvMCScreenPtr pScreenPriv; + xvmcCreateSubpictureReply rep; + XvMCAdaptorPtr adaptor; + XvMCSurfaceInfoPtr surface = NULL; + REQUEST(xvmcCreateSubpictureReq); + REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + adaptor = &(pScreenPriv->adaptors[pContext->adapt_num]); + + /* find which surface this context supports */ + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == pContext->surface_type_id){ + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + /* make sure this surface supports that xvimage format */ + if(!surface->compatible_subpictures) return BadMatch; + + for(i = 0; i < surface->compatible_subpictures->num_xvimages; i++) { + if(surface->compatible_subpictures->xvimage_ids[i] == stuff->xvimage_id) { + image_supported = TRUE; + break; + } + } + + if(!image_supported) return BadMatch; + + /* make sure the size is OK */ + if((stuff->width > surface->subpicture_max_width) || + (stuff->height > surface->subpicture_max_height)) + return BadValue; + + if(!(pSubpicture = malloc(sizeof(XvMCSubpictureRec)))) + return BadAlloc; + + pSubpicture->subpicture_id = stuff->subpicture_id; + pSubpicture->xvimage_id = stuff->xvimage_id; + pSubpicture->width = stuff->width; + pSubpicture->height = stuff->height; + pSubpicture->num_palette_entries = 0; /* overwritten by DDX */ + pSubpicture->entry_bytes = 0; /* overwritten by DDX */ + pSubpicture->component_order[0] = 0; /* overwritten by DDX */ + pSubpicture->component_order[1] = 0; + pSubpicture->component_order[2] = 0; + pSubpicture->component_order[3] = 0; + pSubpicture->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSubpicture)( + pSubpicture, &dwords, &data); + + if(result != Success) { + free(pSubpicture); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pSubpicture->width; + rep.height_actual = pSubpicture->height; + rep.num_palette_entries = pSubpicture->num_palette_entries; + rep.entry_bytes = pSubpicture->entry_bytes; + rep.component_order[0] = pSubpicture->component_order[0]; + rep.component_order[1] = pSubpicture->component_order[1]; + rep.component_order[2] = pSubpicture->component_order[2]; + rep.component_order[3] = pSubpicture->component_order[3]; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSubpictureReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySubpicture(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySubpictureReq); + REQUEST_SIZE_MATCH(xvmcDestroySubpictureReq); + + rc = dixLookupResourceByType(&val, stuff->subpicture_id, XvMCRTSubpicture, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->subpicture_id, RT_NONE); + + return Success; +} + + +static int +ProcXvMCListSubpictureTypes(ClientPtr client) +{ + XvPortPtr pPort; + xvmcListSubpictureTypesReply rep; + XvMCScreenPtr pScreenPriv; + ScreenPtr pScreen; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvImageFormatInfo info; + XvImagePtr pImage; + int i, j; + REQUEST(xvmcListSubpictureTypesReq); + REQUEST_SIZE_MATCH(xvmcListSubpictureTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return BadMatch; /* No XvMC adaptors */ + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return BadMatch; /* None this screen */ + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = 0; + if(surface->compatible_subpictures) + rep.num = surface->compatible_subpictures->num_xvimages; + + rep.length = bytes_to_int32(rep.num * sizeof(xvImageFormatInfo)); + + WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + pImage = NULL; + for(j = 0; j < adaptor->num_subpictures; j++) { + if(surface->compatible_subpictures->xvimage_ids[i] == + adaptor->subpictures[j]->id) + { + pImage = adaptor->subpictures[j]; + break; + } + } + if(!pImage) return BadImplementation; + + info.id = pImage->id; + info.type = pImage->type; + info.byte_order = pImage->byte_order; + memcpy(&info.guid, pImage->guid, 16); + info.bpp = pImage->bits_per_pixel; + info.num_planes = pImage->num_planes; + info.depth = pImage->depth; + info.red_mask = pImage->red_mask; + info.green_mask = pImage->green_mask; + info.blue_mask = pImage->blue_mask; + info.format = pImage->format; + info.y_sample_bits = pImage->y_sample_bits; + info.u_sample_bits = pImage->u_sample_bits; + info.v_sample_bits = pImage->v_sample_bits; + info.horz_y_period = pImage->horz_y_period; + info.horz_u_period = pImage->horz_u_period; + info.horz_v_period = pImage->horz_v_period; + info.vert_y_period = pImage->vert_y_period; + info.vert_u_period = pImage->vert_u_period; + info.vert_v_period = pImage->vert_v_period; + memcpy(&info.comp_order, pImage->component_order, 32); + info.scanline_order = pImage->scanline_order; + WriteToClient(client, sizeof(xvImageFormatInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCGetDRInfo(ClientPtr client) +{ + xvmcGetDRInfoReply rep; + XvPortPtr pPort; + ScreenPtr pScreen; + XvMCScreenPtr pScreenPriv; + +#ifdef HAS_XVMCSHM + volatile CARD32 *patternP; +#endif + + REQUEST(xvmcGetDRInfoReq); + REQUEST_SIZE_MATCH(xvmcGetDRInfoReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.major = pScreenPriv->major; + rep.minor = pScreenPriv->minor; + rep.patchLevel = pScreenPriv->patchLevel; + rep.nameLen = bytes_to_int32(strlen(pScreenPriv->clientDriverName) + 1); + rep.busIDLen = bytes_to_int32(strlen(pScreenPriv->busID) + 1); + + rep.length = rep.nameLen + rep.busIDLen; + rep.nameLen <<=2; + rep.busIDLen <<=2; + + /* + * Read back to the client what she has put in the shared memory + * segment she prepared for us. + */ + + rep.isLocal = 1; +#ifdef HAS_XVMCSHM + patternP = (CARD32 *)shmat( stuff->shmKey, NULL, SHM_RDONLY ); + if ( -1 != (long) patternP) { + volatile CARD32 *patternC = patternP; + int i; + CARD32 magic = stuff->magic; + + rep.isLocal = 1; + i = 1024 / sizeof(CARD32); + + while ( i-- ) { + if (*patternC++ != magic) { + rep.isLocal = 0; + break; + } + magic = ~magic; + } + shmdt( (char *)patternP ); + } +#endif /* HAS_XVMCSHM */ + + WriteToClient(client, sizeof(xvmcGetDRInfoReply), + (char*)&rep); + if (rep.length) { + WriteToClient(client, rep.nameLen, + pScreenPriv->clientDriverName); + WriteToClient(client, rep.busIDLen, + pScreenPriv->busID); + } + return Success; +} + + +int (*ProcXvMCVector[xvmcNumRequest])(ClientPtr) = { + ProcXvMCQueryVersion, + ProcXvMCListSurfaceTypes, + ProcXvMCCreateContext, + ProcXvMCDestroyContext, + ProcXvMCCreateSurface, + ProcXvMCDestroySurface, + ProcXvMCCreateSubpicture, + ProcXvMCDestroySubpicture, + ProcXvMCListSubpictureTypes, + ProcXvMCGetDRInfo +}; + +static int +ProcXvMCDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if(stuff->data < xvmcNumRequest) + return (*ProcXvMCVector[stuff->data])(client); + else + return BadRequest; +} + +static int +SProcXvMCDispatch (ClientPtr client) +{ + /* We only support local */ + return BadImplementation; +} + +void +XvMCExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return; + + if(!(XvMCRTContext = CreateNewResourceType(XvMCDestroyContextRes, + "XvMCRTContext"))) + return; + + if(!(XvMCRTSurface = CreateNewResourceType(XvMCDestroySurfaceRes, + "XvMCRTSurface"))) + return; + + if(!(XvMCRTSubpicture = CreateNewResourceType(XvMCDestroySubpictureRes, + "XvMCRTSubpicture"))) + return; + + extEntry = AddExtension(XvMCName, XvMCNumEvents, XvMCNumErrors, + ProcXvMCDispatch, SProcXvMCDispatch, + NULL, StandardMinorOpcode); + + if(!extEntry) return; + + XvMCReqCode = extEntry->base; + XvMCEventBase = extEntry->eventBase; + SetResourceTypeErrorValue(XvMCRTContext, extEntry->errorBase + XvMCBadContext); + SetResourceTypeErrorValue(XvMCRTSurface, extEntry->errorBase + XvMCBadSurface); + SetResourceTypeErrorValue(XvMCRTSubpicture, extEntry->errorBase + XvMCBadSubpicture); +} + +static Bool +XvMCCloseScreen (int i, ScreenPtr pScreen) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + pScreen->CloseScreen = pScreenPriv->CloseScreen; + + free(pScreenPriv); + + return (*pScreen->CloseScreen)(i, pScreen); +} + + +int +XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt) +{ + XvMCScreenPtr pScreenPriv; + + if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) + return BadAlloc; + + if(!(pScreenPriv = malloc(sizeof(XvMCScreenRec)))) + return BadAlloc; + + dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv); + + pScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = XvMCCloseScreen; + + pScreenPriv->num_adaptors = num; + pScreenPriv->adaptors = pAdapt; + pScreenPriv->clientDriverName[0] = 0; + pScreenPriv->busID[0] = 0; + pScreenPriv->major = 0; + pScreenPriv->minor = 0; + pScreenPriv->patchLevel = 0; + + XvMCInUse = TRUE; + + return Success; +} + +XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id) +{ + XvImagePtr pImage = NULL; + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + int i; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return NULL; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return NULL; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return NULL; + + for(i = 0; i < adaptor->num_subpictures; i++) { + if(adaptor->subpictures[i]->id == id) { + pImage = adaptor->subpictures[i]; + break; + } + } + + return pImage; +} + +int +xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, + char *busID, int major, int minor, + int patchLevel) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + strncpy(pScreenPriv->clientDriverName, name, + DR_CLIENT_DRIVER_NAME_SIZE); + strncpy(pScreenPriv->busID, busID, DR_BUSID_SIZE); + pScreenPriv->major = major; + pScreenPriv->minor = minor; + pScreenPriv->patchLevel = patchLevel; + pScreenPriv->clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE-1] = 0; + pScreenPriv->busID[DR_BUSID_SIZE-1] = 0; + return Success; +} + -- cgit v1.2.3