xserver git update 15/5/2010

1 files changed, 787 insertions, 787 deletions

diff --git a/xorg-server/Xext/xvmc.c b/xorg-server/Xext/xvmc.c
index c85f85eb4..18a81c76b 100644
--- a/xorg-server/Xext/xvmc.c
+++ b/xorg-server/Xext/xvmc.c
@@ -1,787 +1,787 @@
-
-#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 int XvMCScreenKeyIndex;
-static DevPrivateKey XvMCScreenKey;
-
-unsigned long XvMCGeneration = 0;
-
-int XvMCReqCode;
-int XvMCEventBase;
-int XvMCErrorBase;
-
-unsigned long XvMCRTContext;
-unsigned long XvMCRTSurface;
-unsigned long 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);
-	xfree(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); 
-   xfree(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); 
-   xfree(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(XvMCScreenKey) { /* 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(XvMCScreenKey == NULL) /* 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 = xalloc(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) {
-	xfree(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);
-
-    if(data)
-	xfree(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 == BadValue) ? XvMCBadContext + XvMCErrorBase : 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 == BadValue) ? XvMCBadContext + XvMCErrorBase : result;
-
-    pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen);
-
-    if(!(pSurface = xalloc(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) {
-        xfree(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);
-
-    if(data)
-        xfree(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 == BadValue) ? XvMCBadSurface + XvMCErrorBase : 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 == BadValue) ? XvMCBadContext + XvMCErrorBase : 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 = xalloc(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) {
-        xfree(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);
-
-    if(data)
-        xfree(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 == BadValue) ? XvMCBadSubpicture + XvMCErrorBase : 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;
-   XvMCErrorBase = extEntry->errorBase;
-}
-
-static Bool
-XvMCCloseScreen (int i, ScreenPtr pScreen)
-{
-    XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen);
-
-    pScreen->CloseScreen = pScreenPriv->CloseScreen;
-
-    xfree(pScreenPriv);
-
-    return (*pScreen->CloseScreen)(i, pScreen);
-}
-
-
-int
-XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt)
-{
-   XvMCScreenPtr pScreenPriv;
-
-   XvMCScreenKey = &XvMCScreenKeyIndex;
-
-   if(!(pScreenPriv = xalloc(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;
-
-   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 int XvMCScreenKeyIndex;

+static DevPrivateKey XvMCScreenKey;

+

+unsigned long XvMCGeneration = 0;

+

+int XvMCReqCode;

+int XvMCEventBase;

+int XvMCErrorBase;

+

+unsigned long XvMCRTContext;

+unsigned long XvMCRTSurface;

+unsigned long 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(XvMCScreenKey) { /* 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(XvMCScreenKey == NULL) /* 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);

+

+    if(data)

+	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 == BadValue) ? XvMCBadContext + XvMCErrorBase : 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 == BadValue) ? XvMCBadContext + XvMCErrorBase : 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);

+

+    if(data)

+        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 == BadValue) ? XvMCBadSurface + XvMCErrorBase : 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 == BadValue) ? XvMCBadContext + XvMCErrorBase : 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);

+

+    if(data)

+        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 == BadValue) ? XvMCBadSubpicture + XvMCErrorBase : 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;

+   XvMCErrorBase = extEntry->errorBase;

+}

+

+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;

+

+   XvMCScreenKey = &XvMCScreenKeyIndex;

+

+   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;

+

+   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;

+}

+