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xserver/Xext/xvmc.c

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#include <dix-config.h>
#include <string.h>
#include <X11/X.h>
#include <X11/Xfuncproto.h>
#include <X11/Xproto.h>
#include <X11/extensions/XvMC.h>
#include <X11/extensions/Xvproto.h>
#include <X11/extensions/XvMCproto.h>
#include "dix/screen_hooks_priv.h"
#include "miext/extinit_priv.h"
#include "Xext/xvdix_priv.h"
#include "misc.h"
#include "os.h"
#include "dixstruct.h"
#include "resource.h"
#include "scrnintstr.h"
#include "extnsionst.h"
#include "servermd.h"
#include "xvmcext.h"
#ifdef HAS_XVMCSHM
#include <sys/ipc.h>
#include <sys/types.h>
#include <sys/shm.h>
#endif /* HAS_XVMCSHM */
#define SERVER_XVMC_MAJOR_VERSION 1
#define SERVER_XVMC_MINOR_VERSION 1
#define DR_CLIENT_DRIVER_NAME_SIZE 48
#define DR_BUSID_SIZE 48
static DevPrivateKeyRec XvMCScreenKeyRec;
#define XvMCScreenKey (&XvMCScreenKeyRec)
static Bool XvMCInUse;
int XvMCReqCode;
int XvMCEventBase;
static RESTYPE XvMCRTContext;
static RESTYPE XvMCRTSurface;
static RESTYPE XvMCRTSubpicture;
typedef struct {
int num_adaptors;
XvMCAdaptorPtr adaptors;
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(void *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(void *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((void *) pContext, pContext->context_id);
return Success;
}
static int
XvMCDestroySubpictureRes(void *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((void *) pContext, pContext->context_id);
return Success;
}
static int
ProcXvMCQueryVersion(ClientPtr client)
{
xvmcQueryVersionReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.major = SERVER_XVMC_MAJOR_VERSION,
.minor = SERVER_XVMC_MINOR_VERSION
};
/* REQUEST(xvmcQueryVersionReq); */
REQUEST_SIZE_MATCH(xvmcQueryVersionReq);
WriteToClient(client, sizeof(xvmcQueryVersionReply), &rep);
return Success;
}
static int
ProcXvMCListSurfaceTypes(ClientPtr client)
{
XvPortPtr pPort;
XvMCScreenPtr pScreenPriv;
XvMCAdaptorPtr adaptor = NULL;
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 (int i = 0; i < pScreenPriv->num_adaptors; i++) {
if (pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) {
adaptor = &(pScreenPriv->adaptors[i]);
break;
}
}
}
}
int num_surfaces = (adaptor) ? adaptor->num_surfaces : 0;
xvmcSurfaceInfo *info = NULL;
if (num_surfaces) {
info = calloc(sizeof(xvmcSurfaceInfo), num_surfaces);
if (!info)
return BadAlloc;
for (int i = 0; i < num_surfaces; i++) {
XvMCSurfaceInfoPtr surface = adaptor->surfaces[i];
info[i].surface_type_id = surface->surface_type_id;
info[i].chroma_format = surface->chroma_format;
info[i].max_width = surface->max_width;
info[i].max_height = surface->max_height;
info[i].subpicture_max_width = surface->subpicture_max_width;
info[i].subpicture_max_height = surface->subpicture_max_height;
info[i].mc_type = surface->mc_type;
info[i].flags = surface->flags;
}
}
xvmcListSurfaceTypesReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.num = num_surfaces,
.length = bytes_to_int32(sizeof(xvmcSurfaceInfo) * num_surfaces),
};
WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), &rep);
WriteToClient(client, sizeof(xvmcSurfaceInfo) * num_surfaces, info);
free(info);
return Success;
}
static int
ProcXvMCCreateContext(ClientPtr client)
{
XvPortPtr pPort;
CARD32 *data = NULL;
int dwords = 0;
int result, adapt_num = -1;
ScreenPtr pScreen;
XvMCContextPtr pContext;
XvMCScreenPtr pScreenPriv;
XvMCAdaptorPtr adaptor = NULL;
XvMCSurfaceInfoPtr surface = NULL;
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 (int 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 (int 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 = calloc(1, 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;
}
if (!AddResource(pContext->context_id, XvMCRTContext, pContext)) {
free(data);
return BadAlloc;
}
xvmcCreateContextReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = dwords,
.width_actual = pContext->width,
.height_actual = pContext->height,
.flags_return = pContext->flags
};
WriteToClient(client, sizeof(xvmcCreateContextReply), &rep);
if (dwords)
WriteToClient(client, dwords << 2, data);
free(data);
return Success;
}
static int
ProcXvMCDestroyContext(ClientPtr client)
{
void *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, X11_RESTYPE_NONE);
return Success;
}
static int
ProcXvMCCreateSurface(ClientPtr client)
{
CARD32 *data = NULL;
int dwords = 0;
int result;
XvMCContextPtr pContext;
XvMCSurfacePtr pSurface;
XvMCScreenPtr pScreenPriv;
REQUEST(xvmcCreateSurfaceReq);
REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq);
result = dixLookupResourceByType((void **) &pContext, stuff->context_id,
XvMCRTContext, client, DixUseAccess);
if (result != Success)
return result;
pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen);
if (!(pSurface = calloc(1, 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;
}
if (!AddResource(pSurface->surface_id, XvMCRTSurface, pSurface)) {
free(data);
return BadAlloc;
}
xvmcCreateSurfaceReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = dwords
};
WriteToClient(client, sizeof(xvmcCreateSurfaceReply), &rep);
if (dwords)
WriteToClient(client, dwords << 2, data);
free(data);
pContext->refcnt++;
return Success;
}
static int
ProcXvMCDestroySurface(ClientPtr client)
{
void *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, X11_RESTYPE_NONE);
return Success;
}
static int
ProcXvMCCreateSubpicture(ClientPtr client)
{
Bool image_supported = FALSE;
CARD32 *data = NULL;
int result, dwords = 0;
XvMCContextPtr pContext;
XvMCSubpicturePtr pSubpicture;
XvMCScreenPtr pScreenPriv;
XvMCAdaptorPtr adaptor;
XvMCSurfaceInfoPtr surface = NULL;
REQUEST(xvmcCreateSubpictureReq);
REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq);
result = dixLookupResourceByType((void **) &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 (int 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 (int 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 = calloc(1, 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;
}
if (!AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture)) {
free(data);
return BadAlloc;
}
xvmcCreateSubpictureReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = dwords,
.width_actual = pSubpicture->width,
.height_actual = pSubpicture->height,
.num_palette_entries = pSubpicture->num_palette_entries,
.entry_bytes = pSubpicture->entry_bytes,
.component_order[0] = pSubpicture->component_order[0],
.component_order[1] = pSubpicture->component_order[1],
.component_order[2] = pSubpicture->component_order[2],
.component_order[3] = pSubpicture->component_order[3]
};
WriteToClient(client, sizeof(xvmcCreateSubpictureReply), &rep);
if (dwords)
WriteToClient(client, dwords << 2, data);
free(data);
pContext->refcnt++;
return Success;
}
static int
ProcXvMCDestroySubpicture(ClientPtr client)
{
void *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, X11_RESTYPE_NONE);
return Success;
}
static int
ProcXvMCListSubpictureTypes(ClientPtr client)
{
XvPortPtr pPort;
XvMCScreenPtr pScreenPriv;
ScreenPtr pScreen;
XvMCAdaptorPtr adaptor = NULL;
XvMCSurfaceInfoPtr surface = NULL;
XvImagePtr pImage;
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 (int 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 (int 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;
int num = (surface->compatible_subpictures ?
surface->compatible_subpictures->num_xvimages : 0);
xvImageFormatInfo *info = NULL;
if (num) {
info = calloc(sizeof(xvImageFormatInfo), num);
if (!info)
return BadAlloc;
for (int i = 0; i < num; i++) {
pImage = NULL;
for (int 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) {
free(info);
return BadImplementation;
}
info[i].id = pImage->id;
info[i].type = pImage->type;
info[i].byte_order = pImage->byte_order;
memcpy(&info[i].guid, pImage->guid, 16);
info[i].bpp = pImage->bits_per_pixel;
info[i].num_planes = pImage->num_planes;
info[i].depth = pImage->depth;
info[i].red_mask = pImage->red_mask;
info[i].green_mask = pImage->green_mask;
info[i].blue_mask = pImage->blue_mask;
info[i].format = pImage->format;
info[i].y_sample_bits = pImage->y_sample_bits;
info[i].u_sample_bits = pImage->u_sample_bits;
info[i].v_sample_bits = pImage->v_sample_bits;
info[i].horz_y_period = pImage->horz_y_period;
info[i].horz_u_period = pImage->horz_u_period;
info[i].horz_v_period = pImage->horz_v_period;
info[i].vert_y_period = pImage->vert_y_period;
info[i].vert_u_period = pImage->vert_u_period;
info[i].vert_v_period = pImage->vert_v_period;
memcpy(&info[i].comp_order, pImage->component_order, 32);
info[i].scanline_order = pImage->scanline_order;
}
}
xvmcListSubpictureTypesReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.num = num,
.length = bytes_to_int32(sizeof(info)),
};
WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), &rep);
WriteToClient(client, sizeof(xvImageFormatInfo) * num, info);
free(info);
return Success;
}
static int
ProcXvMCGetDRInfo(ClientPtr client)
{
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);
int nameLen = strlen(pScreenPriv->clientDriverName) + 1;
int busIDLen = strlen(pScreenPriv->busID) + 1;
// buffer holds two zero-terminated strings, padded to 4-byte ints
const size_t buflen = pad_to_int32(nameLen+busIDLen);
char *buf = calloc(1, buflen);
if (!buf)
return BadAlloc;
memcpy(buf, pScreenPriv->clientDriverName, nameLen);
memcpy(buf+nameLen, pScreenPriv->busID, busIDLen);
xvmcGetDRInfoReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.major = pScreenPriv->major,
.minor = pScreenPriv->minor,
.patchLevel = pScreenPriv->patchLevel,
.nameLen = nameLen,
.busIDLen = busIDLen,
.length = bytes_to_int32(sizeof(buf)),
.isLocal = 1
};
/*
* Read back to the client what she has put in the shared memory
* segment she prepared for us.
*/
#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), &rep);
WriteToClient(client, buflen, buf);
free(buf);
return Success;
}
static int
ProcXvMCDispatch(ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data)
{
case xvmc_QueryVersion:
return ProcXvMCQueryVersion(client);
case xvmc_ListSurfaceTypes:
return ProcXvMCListSurfaceTypes(client);
case xvmc_CreateContext:
return ProcXvMCCreateContext(client);
case xvmc_DestroyContext:
return ProcXvMCDestroyContext(client);
case xvmc_CreateSurface:
return ProcXvMCCreateSurface(client);
case xvmc_DestroySurface:
return ProcXvMCDestroySurface(client);
case xvmc_CreateSubpicture:
return ProcXvMCCreateSubpicture(client);
case xvmc_DestroySubpicture:
return ProcXvMCDestroySubpicture(client);
case xvmc_ListSubpictureTypes:
return ProcXvMCListSubpictureTypes(client);
case xvmc_GetDRInfo:
return ProcXvMCGetDRInfo(client);
default:
return BadRequest;
}
}
static int _X_COLD
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 void XvMCScreenClose(CallbackListPtr *pcbl, ScreenPtr pScreen, void *unused)
{
XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen);
free(pScreenPriv);
dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, NULL);
dixScreenUnhookClose(pScreen, XvMCScreenClose);
}
int
XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt)
{
XvMCScreenPtr pScreenPriv;
if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0))
return BadAlloc;
if (!(pScreenPriv = calloc(1, sizeof(XvMCScreenRec))))
return BadAlloc;
dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv);
dixScreenHookClose(pScreen, XvMCScreenClose);
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;
if (!dixPrivateKeyRegistered(XvMCScreenKey))
return NULL;
if (!(pScreenPriv = XVMC_GET_PRIVATE(pScreen)))
return NULL;
for (int 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 (int i = 0; i < adaptor->num_subpictures; i++) {
if (adaptor->subpictures[i]->id == id) {
pImage = adaptor->subpictures[i];
break;
}
}
return pImage;
}
int
xf86XvMCRegisterDRInfo(ScreenPtr pScreen, const char *name,
const char *busID, int major, int minor, int patchLevel)
{
XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen);
strlcpy(pScreenPriv->clientDriverName, name, DR_CLIENT_DRIVER_NAME_SIZE);
strlcpy(pScreenPriv->busID, busID, DR_BUSID_SIZE);
pScreenPriv->major = major;
pScreenPriv->minor = minor;
pScreenPriv->patchLevel = patchLevel;
return Success;
}
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