diff options
Diffstat (limited to 'xorg-server/Xext/xvmc.c')
| -rw-r--r-- | xorg-server/Xext/xvmc.c | 1578 |
1 files changed, 789 insertions, 789 deletions
diff --git a/xorg-server/Xext/xvmc.c b/xorg-server/Xext/xvmc.c index 4d29941ee..0a0e9415e 100644 --- a/xorg-server/Xext/xvmc.c +++ b/xorg-server/Xext/xvmc.c @@ -1,789 +1,789 @@ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "resource.h" -#include "scrnintstr.h" -#include "extnsionst.h" -#include "servermd.h" -#include <X11/Xfuncproto.h> -#include "xvdix.h" -#include <X11/extensions/XvMC.h> -#include <X11/extensions/Xvproto.h> -#include <X11/extensions/XvMCproto.h> -#include "xvmcext.h" -#include "protocol-versions.h" - -#ifdef HAS_XVMCSHM -#include <sys/ipc.h> -#include <sys/types.h> -#include <sys/shm.h> -#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(XvMCScreenKey == NULL) /* No XvMC adaptors */ - return BadMatch; - - 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(XvMCScreenKey == NULL) /* nobody supports it */ - 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(XvMCScreenKey == NULL) 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 <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "scrnintstr.h"
+#include "extnsionst.h"
+#include "servermd.h"
+#include <X11/Xfuncproto.h>
+#include "xvdix.h"
+#include <X11/extensions/XvMC.h>
+#include <X11/extensions/Xvproto.h>
+#include <X11/extensions/XvMCproto.h>
+#include "xvmcext.h"
+#include "protocol-versions.h"
+
+#ifdef HAS_XVMCSHM
+#include <sys/ipc.h>
+#include <sys/types.h>
+#include <sys/shm.h>
+#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(XvMCScreenKey == NULL) /* No XvMC adaptors */
+ return BadMatch;
+
+ 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(XvMCScreenKey == NULL) /* nobody supports it */
+ 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(XvMCScreenKey == NULL) 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;
+}
+
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