Bool XNVCTRLQueryTargetBinaryData (
Display *dpy,
int target_type,
int target_id,
unsigned int display_mask,
unsigned int attribute,
unsigned char **ptr,
int *len
) {
XExtDisplayInfo *info = find_display (dpy);
xnvCtrlQueryBinaryDataReply rep;
xnvCtrlQueryBinaryDataReq *req;
Bool exists;
int length, numbytes, slop;
if (!ptr) return False;
if(!XextHasExtension(info))
return False;
XNVCTRLCheckExtension (dpy, info, False);
XNVCTRLCheckTargetData(dpy, info, &target_type, &target_id);
LockDisplay (dpy);
GetReq (nvCtrlQueryBinaryData, req);
req->reqType = info->codes->major_opcode;
req->nvReqType = X_nvCtrlQueryBinaryData;
req->target_type = target_type;
req->target_id = target_id;
req->display_mask = display_mask;
req->attribute = attribute;
if (!_XReply (dpy, (xReply *) &rep, 0, False)) {
UnlockDisplay (dpy);
SyncHandle ();
return False;
}
length = rep.length;
numbytes = rep.n;
slop = numbytes & 3;
exists = rep.flags;
if (exists) {
*ptr = (unsigned char *) Xmalloc(numbytes);
}
if (!exists || !*ptr) {
_XEatData(dpy, length);
UnlockDisplay (dpy);
SyncHandle ();
return False;
} else {
_XRead(dpy, (char *) *ptr, numbytes);
if (slop) _XEatData(dpy, 4-slop);
}
if (len) *len = numbytes;
UnlockDisplay (dpy);
SyncHandle ();
return exists;
}
Bool XNVCTRLQueryDDCCIBlockLutOperation (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int color, // NV_CTRL_DDCCI_RED_LUT, NV_CTRL_DDCCI_GREEN_LUT, NV_CTRL_DDCCI_BLUE_LUT
unsigned int offset,
unsigned int size,
unsigned int **value
) {
XExtDisplayInfo *info = find_display (dpy);
xnvCtrlQueryDDCCIBlockLutOperationReply rep;
xnvCtrlQueryDDCCIBlockLutOperationReq *req;
Bool exists;
int length, slop;
char *ptr;
if(!XextHasExtension(info))
return False;
XNVCTRLCheckExtension (dpy, info, False);
LockDisplay (dpy);
GetReq (nvCtrlQueryDDCCIBlockLutOperation, req);
req->reqType = info->codes->major_opcode;
req->nvReqType = X_nvCtrlQueryDDCCIBlockLutOperation;
req->screen = screen;
req->display_mask = display_mask;
req->color=color;
req->offset=offset;
req->size=size;
if (!_XReply (dpy, (xReply *) &rep, 0, False)) {
UnlockDisplay (dpy);
SyncHandle ();
return False;
}
length = rep.length;
slop = rep.num_bytes & 3;
ptr = (char *) Xmalloc(rep.num_bytes);
if (! ptr) {
_XEatData(dpy, length);
UnlockDisplay (dpy);
SyncHandle ();
return False;
} else {
_XRead(dpy, (char *) ptr, rep.num_bytes);
if (slop) _XEatData(dpy, 4-slop);
}
exists = rep.flags;
if(exists) {
*value=(unsigned int *)ptr;
}
UnlockDisplay (dpy);
SyncHandle ();
return exists;
}
Bool
_vdp_DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2ConnectReply rep;
xDRI2ConnectReq *req;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
LockDisplay(dpy);
GetReq(DRI2Connect, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2Connect;
req->window = window;
req->driverType = DRI2DriverVDPAU;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*driverName = Xmalloc(rep.driverNameLength + 1);
if (*driverName == NULL) {
_XEatData(dpy,
((rep.driverNameLength + 3) & ~3) +
((rep.deviceNameLength + 3) & ~3));
UnlockDisplay(dpy);
SyncHandle();
return False;
}
_XReadPad(dpy, *driverName, rep.driverNameLength);
(*driverName)[rep.driverNameLength] = '\0';
*deviceName = Xmalloc(rep.deviceNameLength + 1);
if (*deviceName == NULL) {
Xfree(*driverName);
_XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
UnlockDisplay(dpy);
SyncHandle();
return False;
}
_XReadPad(dpy, *deviceName, rep.deviceNameLength);
(*deviceName)[rep.deviceNameLength] = '\0';
UnlockDisplay(dpy);
SyncHandle();
return True;
}
Bool XNVCTRLQueryStringAttribute (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
char **ptr
)
{
XExtDisplayInfo *info = find_display (dpy);
xnvCtrlQueryStringAttributeReply rep;
xnvCtrlQueryStringAttributeReq *req;
Bool exists;
int length, numbytes, slop;
if (!ptr) return False;
if(!XextHasExtension(info))
return False;
XNVCTRLCheckExtension (dpy, info, False);
LockDisplay (dpy);
GetReq (nvCtrlQueryStringAttribute, req);
req->reqType = info->codes->major_opcode;
req->nvReqType = X_nvCtrlQueryStringAttribute;
req->screen = screen;
req->display_mask = display_mask;
req->attribute = attribute;
if (!_XReply (dpy, (xReply *) &rep, 0, False))
{
UnlockDisplay (dpy);
SyncHandle ();
return False;
}
length = rep.length;
numbytes = rep.n;
slop = numbytes & 3;
*ptr = (char *) Xmalloc(numbytes);
if (! *ptr)
{
_XEatData(dpy, length);
UnlockDisplay (dpy);
SyncHandle ();
return False;
}
else
{
_XRead(dpy, (char *) *ptr, numbytes);
if (slop) _XEatData(dpy, 4-slop);
}
exists = rep.flags;
UnlockDisplay (dpy);
SyncHandle ();
return exists;
}
/* XXXAlternative: Instead of getting the manufacturer string from the server,
* get the manufacturer Id instead, and have controller_manufacturer assigned
* to a static string that would not need to be malloc'ed and freed.
*/
Bool XNVCTRLQueryDDCCIDisplayControllerType (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned char **controller_manufacturer,
unsigned int *controller_type
)
{
XExtDisplayInfo *info = find_display (dpy);
xnvCtrlQueryDDCCIDisplayControllerTypeReply rep;
xnvCtrlQueryDDCCIDisplayControllerTypeReq *req;
Bool exists;
int length, numbytes, slop;
char *ptr;
if(!XextHasExtension(info))
return False;
XNVCTRLCheckExtension (dpy, info, False);
LockDisplay (dpy);
GetReq (nvCtrlQueryDDCCIDisplayControllerType, req);
req->reqType = info->codes->major_opcode;
req->nvReqType = X_nvCtrlQueryDDCCIDisplayControllerType;
req->screen = screen;
req->display_mask = display_mask;
if (!_XReply (dpy, (xReply *) &rep, 0, False)) {
UnlockDisplay (dpy);
SyncHandle ();
return False;
}
length = rep.length;
numbytes = rep.size;
slop = numbytes & 3;
ptr = (char *) Xmalloc(numbytes);
if (! ptr) {
_XEatData(dpy, length);
UnlockDisplay (dpy);
SyncHandle ();
return False;
} else {
_XRead(dpy, (char *) ptr, numbytes);
if (slop) _XEatData(dpy, 4-slop);
}
exists = rep.flags;
if(exists) {
*controller_type=rep.controller_type;
*controller_manufacturer=ptr;
}
UnlockDisplay (dpy);
SyncHandle ();
return exists;
}
CARD32
__glXReadReply(Display * dpy, size_t size, void *dest,
GLboolean reply_is_always_array)
{
xGLXSingleReply reply;
(void) _XReply(dpy, (xReply *) & reply, 0, False);
if (size != 0) {
if ((reply.length > 0) || reply_is_always_array) {
const GLint bytes = (reply_is_always_array)
? (4 * reply.length) : (reply.size * size);
const GLint extra = 4 - (bytes & 3);
_XRead(dpy, dest, bytes);
if (extra < 4) {
_XEatData(dpy, extra);
}
}
else {
(void) memcpy(dest, &(reply.pad3), size);
}
}
return reply.retval;
}
const char *
XFixesGetCursorName (Display *dpy, Cursor cursor, Atom *atom)
{
XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy);
xXFixesGetCursorNameReq *req;
xXFixesGetCursorNameReply rep;
char *name;
XFixesCheckExtension (dpy, info, NULL);
if (info->major_version < 2)
return NULL;
LockDisplay (dpy);
GetReq (XFixesGetCursorName, req);
req->reqType = info->codes->major_opcode;
req->xfixesReqType = X_XFixesGetCursorName;
req->cursor = cursor;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
{
UnlockDisplay (dpy);
SyncHandle ();
return NULL;
}
*atom = rep.atom;
if ((name = (char *) Xmalloc(rep.nbytes+1))) {
_XReadPad(dpy, name, (long)rep.nbytes);
name[rep.nbytes] = '\0';
} else {
_XEatData(dpy, (unsigned long) (rep.nbytes + 3) & ~3);
name = (char *) NULL;
}
UnlockDisplay(dpy);
SyncHandle();
return(name);
}
void
__indirect_glGetCompressedTexImageARB( GLenum target, GLint level,
GLvoid * img )
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXGetTexImageReply reply;
size_t image_bytes;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN( X_GLsop_GetCompressedTexImage, 8 );
__GLX_SINGLE_PUT_LONG( 0, target );
__GLX_SINGLE_PUT_LONG( 4, level );
__GLX_SINGLE_READ_XREPLY();
image_bytes = reply.width;
assert( image_bytes <= ((4 * reply.length) - 0) );
assert( image_bytes >= ((4 * reply.length) - 3) );
if ( image_bytes != 0 ) {
_XRead( dpy, (char *) img, image_bytes );
if ( image_bytes < (4 * reply.length) ) {
_XEatData( dpy, (4 * reply.length) - image_bytes );
}
}
__GLX_SINGLE_END();
}
XDevice *
XOpenDevice(
register Display *dpy,
register XID id)
{
register long rlen; /* raw length */
xOpenDeviceReq *req;
xOpenDeviceReply rep;
XDevice *dev;
XExtDisplayInfo *info = XInput_find_display(dpy);
LockDisplay(dpy);
if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
return ((XDevice *) NoSuchExtension);
GetReq(OpenDevice, req);
req->reqType = info->codes->major_opcode;
req->ReqType = X_OpenDevice;
req->deviceid = id;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return (XDevice *) NULL;
}
rlen = rep.length << 2;
dev = (XDevice *) Xmalloc(sizeof(XDevice) + rep.num_classes *
sizeof(XInputClassInfo));
if (dev) {
int dlen; /* data length */
dev->device_id = req->deviceid;
dev->num_classes = rep.num_classes;
dev->classes = (XInputClassInfo *) ((char *)dev + sizeof(XDevice));
dlen = rep.num_classes * sizeof(xInputClassInfo);
_XRead(dpy, (char *)dev->classes, dlen);
/* could be padding that we still need to eat (yummy!) */
if (rlen - dlen > 0)
_XEatData(dpy, (unsigned long)rlen - dlen);
} else
_XEatData(dpy, (unsigned long)rlen);
UnlockDisplay(dpy);
SyncHandle();
return (dev);
}
DRI2Buffer *
DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
int *width, int *height,
unsigned int *attachments, int count, int *outCount)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2GetBuffersReply rep;
xDRI2GetBuffersReq *req;
DRI2Buffer *buffers;
xDRI2Buffer repBuffer;
CARD32 *p;
int i;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
LockDisplay(dpy);
GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2GetBuffersWithFormat;
req->drawable = drawable;
req->count = count;
p = (CARD32 *) & req[1];
for (i = 0; i < (count * 2); i++)
p[i] = attachments[i];
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
fprintf(stderr, "GetBuffersWithFormat fails\n");
UnlockDisplay(dpy);
SyncHandle();
return NULL;
}
*width = rep.width;
*height = rep.height;
*outCount = rep.count;
buffers = Xmalloc(rep.count * sizeof buffers[0]);
if (buffers == NULL) {
_XEatData(dpy, rep.count * sizeof repBuffer);
UnlockDisplay(dpy);
SyncHandle();
return NULL;
}
for (i = 0; i < rep.count; i++) {
_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
buffers[i].attachment = repBuffer.attachment;
buffers[i].name = repBuffer.name;
buffers[i].pitch = repBuffer.pitch;
buffers[i].cpp = repBuffer.cpp;
buffers[i].flags = repBuffer.flags;
}
UnlockDisplay(dpy);
SyncHandle();
return buffers;
}
void
__glXReadPixelReply(Display * dpy, struct glx_context * gc, unsigned max_dim,
GLint width, GLint height, GLint depth, GLenum format,
GLenum type, void *dest, GLboolean dimensions_in_reply)
{
xGLXSingleReply reply;
GLint size;
(void) _XReply(dpy, (xReply *) & reply, 0, False);
if (dimensions_in_reply) {
width = reply.pad3;
height = reply.pad4;
depth = reply.pad5;
if ((height == 0) || (max_dim < 2)) {
height = 1;
}
if ((depth == 0) || (max_dim < 3)) {
depth = 1;
}
}
size = reply.length * 4;
if (size != 0) {
void *buf = Xmalloc(size);
if (buf == NULL) {
_XEatData(dpy, size);
__glXSetError(gc, GL_OUT_OF_MEMORY);
}
else {
const GLint extra = 4 - (size & 3);
_XRead(dpy, buf, size);
if (extra < 4) {
_XEatData(dpy, extra);
}
__glEmptyImage(gc, 3, width, height, depth, format, type, buf, dest);
Xfree(buf);
}
}
}
Status _xvmc_create_subpicture (
Display *dpy,
XvMCContext *context,
XvMCSubpicture *subpicture,
int *priv_count,
CARD32 **priv_data
)
{
XExtDisplayInfo *info = xvmc_find_display(dpy);
xvmcCreateSubpictureReply rep;
xvmcCreateSubpictureReq *req;
*priv_count = 0;
*priv_data = NULL;
XvMCCheckExtension (dpy, info, BadImplementation);
LockDisplay (dpy);
XvMCGetReq (CreateSubpicture, req);
subpicture->subpicture_id = XAllocID(dpy);
subpicture->context_id = context->context_id;
req->subpicture_id = subpicture->subpicture_id;
req->context_id = subpicture->context_id;
req->xvimage_id = subpicture->xvimage_id;
req->width = subpicture->width;
req->height = subpicture->height;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return BadImplementation;
}
subpicture->width = rep.width_actual;
subpicture->height = rep.height_actual;
subpicture->num_palette_entries = rep.num_palette_entries;
subpicture->entry_bytes = rep.entry_bytes;
subpicture->component_order[0] = rep.component_order[0];
subpicture->component_order[1] = rep.component_order[1];
subpicture->component_order[2] = rep.component_order[2];
subpicture->component_order[3] = rep.component_order[3];
if(rep.length) {
*priv_data = Xmalloc(rep.length << 2);
if(*priv_data) {
_XRead(dpy, (char*)(*priv_data), rep.length << 2);
*priv_count = rep.length;
} else
_XEatData(dpy, rep.length << 2);
}
UnlockDisplay (dpy);
SyncHandle ();
return Success;
}
XineramaScreenInfo *
XineramaQueryScreens(
Display *dpy,
int *number
)
{
XExtDisplayInfo *info = find_display (dpy);
xXineramaQueryScreensReply rep;
xXineramaQueryScreensReq *req;
XineramaScreenInfo *scrnInfo = NULL;
PanoramiXCheckExtension (dpy, info, NULL);
if (NULL != (scrnInfo = XineramaGetFake(number)))
{
return scrnInfo;
}
LockDisplay (dpy);
GetReq (XineramaQueryScreens, req);
req->reqType = info->codes->major_opcode;
req->panoramiXReqType = X_XineramaQueryScreens;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return NULL;
}
if(rep.number) {
if((scrnInfo = Xmalloc(sizeof(XineramaScreenInfo) * rep.number))) {
xXineramaScreenInfo scratch;
int i;
for(i = 0; i < rep.number; i++) {
_XRead(dpy, (char*)(&scratch), sz_XineramaScreenInfo);
scrnInfo[i].screen_number = i;
scrnInfo[i].x_org = scratch.x_org;
scrnInfo[i].y_org = scratch.y_org;
scrnInfo[i].width = scratch.width;
scrnInfo[i].height = scratch.height;
}
*number = rep.number;
} else
_XEatData(dpy, rep.length << 2);
} else {
*number = 0;
}
UnlockDisplay (dpy);
SyncHandle ();
return scrnInfo;
}
XTimeCoord *XGetMotionEvents(
register Display *dpy,
Window w,
Time start,
Time stop,
int *nEvents) /* RETURN */
{
xGetMotionEventsReply rep;
register xGetMotionEventsReq *req;
XTimeCoord *tc = NULL;
long nbytes;
LockDisplay(dpy);
GetReq(GetMotionEvents, req);
req->window = w;
/* XXX is this right for all machines? */
req->start = start;
req->stop = stop;
if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return (NULL);
}
if (rep.nEvents) {
if (! (tc = (XTimeCoord *)
Xmalloc( (unsigned)
(nbytes = (long) rep.nEvents * sizeof(XTimeCoord))))) {
_XEatData (dpy, (unsigned long) nbytes);
UnlockDisplay(dpy);
SyncHandle();
return (NULL);
}
}
*nEvents = rep.nEvents;
nbytes = SIZEOF (xTimecoord);
{
register XTimeCoord *tcptr;
register int i;
xTimecoord xtc;
for (i = rep.nEvents, tcptr = tc; i > 0; i--, tcptr++) {
_XRead (dpy, (char *) &xtc, nbytes);
tcptr->time = xtc.time;
tcptr->x = cvtINT16toShort (xtc.x);
tcptr->y = cvtINT16toShort (xtc.y);
}
}
UnlockDisplay(dpy);
SyncHandle();
return (tc);
}
XvAttribute*
XvQueryPortAttributes(Display *dpy, XvPortID port, int *num)
{
XExtDisplayInfo *info = xv_find_display(dpy);
xvQueryPortAttributesReq *req;
xvQueryPortAttributesReply rep;
XvAttribute *ret = NULL;
*num = 0;
XvCheckExtension(dpy, info, NULL);
LockDisplay(dpy);
XvGetReq(QueryPortAttributes, req);
req->port = port;
/* READ THE REPLY */
if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
if(rep.num_attributes) {
int size = (rep.num_attributes * sizeof(XvAttribute)) + rep.text_size;
if((ret = Xmalloc(size))) {
char* marker = (char*)(&ret[rep.num_attributes]);
xvAttributeInfo Info;
int i;
for(i = 0; i < rep.num_attributes; i++) {
_XRead(dpy, (char*)(&Info), sz_xvAttributeInfo);
ret[i].flags = (int)Info.flags;
ret[i].min_value = Info.min;
ret[i].max_value = Info.max;
ret[i].name = marker;
_XRead(dpy, marker, Info.size);
marker += Info.size;
(*num)++;
}
} else
_XEatData(dpy, rep.length << 2);
}
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
Status XResQueryClientResources (
Display *dpy,
XID xid,
int *num_types,
XResType **types
)
{
XExtDisplayInfo *info = find_display (dpy);
xXResQueryClientResourcesReq *req;
xXResQueryClientResourcesReply rep;
XResType *typs;
int result = 0;
*num_types = 0;
*types = NULL;
XResCheckExtension (dpy, info, 0);
LockDisplay (dpy);
GetReq (XResQueryClientResources, req);
req->reqType = info->codes->major_opcode;
req->XResReqType = X_XResQueryClientResources;
req->xid = xid;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return 0;
}
if(rep.num_types) {
if((typs = Xmalloc(sizeof(XResType) * rep.num_types))) {
xXResType scratch;
int i;
for(i = 0; i < rep.num_types; i++) {
_XRead(dpy, (char*)&scratch, sz_xXResType);
typs[i].resource_type = scratch.resource_type;
typs[i].count = scratch.count;
}
*types = typs;
*num_types = rep.num_types;
result = 1;
} else {
_XEatData(dpy, rep.length << 2);
}
}
UnlockDisplay (dpy);
SyncHandle ();
return result;
}
XvImage * XvCreateImage (
Display *dpy,
XvPortID port,
int id,
char *data,
int width,
int height
) {
XExtDisplayInfo *info = xv_find_display(dpy);
xvQueryImageAttributesReq *req;
xvQueryImageAttributesReply rep;
XvImage *ret = NULL;
XvCheckExtension(dpy, info, NULL);
LockDisplay(dpy);
XvGetReq(QueryImageAttributes, req);
req->id = id;
req->port = port;
req->width = width;
req->height = height;
/* READ THE REPLY */
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return NULL;
}
if((ret = (XvImage*)Xmalloc(sizeof(XvImage) + (rep.num_planes << 3)))) {
ret->id = id;
ret->width = rep.width;
ret->height = rep.height;
ret->data_size = rep.data_size;
ret->num_planes = rep.num_planes;
ret->pitches = (int*)(&ret[1]);
ret->offsets = ret->pitches + rep.num_planes;
ret->data = data;
ret->obdata = NULL;
_XRead(dpy, (char*)(ret->pitches), rep.num_planes << 2);
_XRead(dpy, (char*)(ret->offsets), rep.num_planes << 2);
} else
_XEatData(dpy, rep.length << 2);
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
XvMCSurfaceInfo * XvMCListSurfaceTypes(Display *dpy, XvPortID port, int *num)
{
XExtDisplayInfo *info = xvmc_find_display(dpy);
xvmcListSurfaceTypesReply rep;
xvmcListSurfaceTypesReq *req;
XvMCSurfaceInfo *surface_info = NULL;
*num = 0;
XvMCCheckExtension (dpy, info, NULL);
LockDisplay (dpy);
XvMCGetReq (ListSurfaceTypes, req);
req->port = port;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return NULL;
}
if(rep.num > 0) {
surface_info =
(XvMCSurfaceInfo*)Xmalloc(rep.num * sizeof(XvMCSurfaceInfo));
if(surface_info) {
xvmcSurfaceInfo sinfo;
int i;
*num = rep.num;
for(i = 0; i < rep.num; i++) {
_XRead(dpy, (char*)&sinfo, sizeof(xvmcSurfaceInfo));
surface_info[i].surface_type_id = sinfo.surface_type_id;
surface_info[i].chroma_format = sinfo.chroma_format;
surface_info[i].max_width = sinfo.max_width;
surface_info[i].max_height = sinfo.max_height;
surface_info[i].subpicture_max_width =
sinfo.subpicture_max_width;
surface_info[i].subpicture_max_height =
sinfo.subpicture_max_height;
surface_info[i].mc_type = sinfo.mc_type;
surface_info[i].flags = sinfo.flags;
}
} else
_XEatData(dpy, rep.length << 2);
}
UnlockDisplay (dpy);
SyncHandle ();
return surface_info;
}
void glGetTexImage(GLenum target, GLint level, GLenum format, GLenum type,
GLvoid *texels)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXGetTexImageReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetTexImage,__GLX_PAD(17));
__GLX_SINGLE_PUT_LONG(0,target);
__GLX_SINGLE_PUT_LONG(4,level);
__GLX_SINGLE_PUT_LONG(8,format);
__GLX_SINGLE_PUT_LONG(12,type);
__GLX_SINGLE_PUT_CHAR(16,state->storePack.swapEndian);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width, height, depth;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = reply.width;
height = reply.height;
depth = reply.depth;
__GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
__glEmptyImage(gc, 2, width, height, depth, format, type, buf,
texels);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
Status XResQueryClients (
Display *dpy,
int *num_clients,
XResClient **clients
)
{
XExtDisplayInfo *info = find_display (dpy);
xXResQueryClientsReq *req;
xXResQueryClientsReply rep;
XResClient *clnts;
int result = 0;
*num_clients = 0;
*clients = NULL;
XResCheckExtension (dpy, info, 0);
LockDisplay (dpy);
GetReq (XResQueryClients, req);
req->reqType = info->codes->major_opcode;
req->XResReqType = X_XResQueryClients;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return 0;
}
if(rep.num_clients) {
if((clnts = Xmalloc(sizeof(XResClient) * rep.num_clients))) {
xXResClient scratch;
int i;
for(i = 0; i < rep.num_clients; i++) {
_XRead(dpy, (char*)&scratch, sz_xXResClient);
clnts[i].resource_base = scratch.resource_base;
clnts[i].resource_mask = scratch.resource_mask;
}
*clients = clnts;
*num_clients = rep.num_clients;
result = 1;
} else {
_XEatData(dpy, rep.length << 2);
}
}
UnlockDisplay (dpy);
SyncHandle ();
return result;
}
void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid *pixels)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXReadPixelsReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_ReadPixels,__GLX_PAD(26));
__GLX_SINGLE_PUT_LONG(0,x);
__GLX_SINGLE_PUT_LONG(4,y);
__GLX_SINGLE_PUT_LONG(8,width);
__GLX_SINGLE_PUT_LONG(12,height);
__GLX_SINGLE_PUT_LONG(16,format);
__GLX_SINGLE_PUT_LONG(20,type);
__GLX_SINGLE_PUT_CHAR(24,state->storePack.swapEndian);
__GLX_SINGLE_PUT_CHAR(25,GL_FALSE);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
__GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
__glEmptyImage(gc, 2, width, height, 1, format, type, buf, pixels);
Xfree((char*) buf);
}
} else {
/*
** GL error occurred; don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
void glGetHistogram(GLenum target, GLboolean reset, GLenum format,
GLenum type, GLvoid *values)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXGetHistogramReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetHistogram,__GLX_PAD(14));
__GLX_SINGLE_PUT_LONG(0,(long)target);
__GLX_SINGLE_PUT_LONG(4,(long)format);
__GLX_SINGLE_PUT_LONG(8,(long)type);
__GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
__GLX_SINGLE_PUT_CHAR(13,reset);
__GLX_SINGLE_READ_XREPLY();
compsize = (long)reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*)Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = (int)reply.width;
__GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),(long)compsize);
__glEmptyImage(gc, 1, width, 1, 1, format, type, buf, values);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
Status _xvmc_create_surface (
Display *dpy,
XvMCContext *context,
XvMCSurface *surface,
int *priv_count,
CARD32 **priv_data
)
{
XExtDisplayInfo *info = xvmc_find_display(dpy);
xvmcCreateSurfaceReply rep;
xvmcCreateSurfaceReq *req;
*priv_count = 0;
*priv_data = NULL;
XvMCCheckExtension (dpy, info, BadImplementation);
LockDisplay (dpy);
XvMCGetReq (CreateSurface, req);
surface->surface_id = XAllocID(dpy);
surface->context_id = context->context_id;
surface->surface_type_id = context->surface_type_id;
surface->width = context->width;
surface->height = context->height;
req->surface_id = surface->surface_id;
req->context_id = surface->context_id;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return BadImplementation;
}
if(rep.length) {
*priv_data = Xmalloc(rep.length << 2);
if(*priv_data) {
_XRead(dpy, (char*)(*priv_data), rep.length << 2);
*priv_count = rep.length;
} else
_XEatData(dpy, rep.length << 2);
}
UnlockDisplay (dpy);
SyncHandle ();
return Success;
}
void glGetConvolutionFilter(GLenum target, GLenum format, GLenum type,
GLvoid *image)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXGetConvolutionFilterReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetConvolutionFilter, __GLX_PAD(13));
__GLX_SINGLE_PUT_LONG(0,target);
__GLX_SINGLE_PUT_LONG(4,format);
__GLX_SINGLE_PUT_LONG(8,type);
__GLX_SINGLE_PUT_CHAR(12,gc->state.storePack.swapEndian);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width, height;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = reply.width;
height = reply.height;
__GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),compsize);
__glEmptyImage(gc, 2, width, height, 1, format, type, buf, image);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
int
XQueryColors(
register Display *dpy,
Colormap cmap,
XColor *defs, /* RETURN */
int ncolors)
{
register int i;
xrgb *color;
xQueryColorsReply rep;
long nbytes;
register xQueryColorsReq *req;
LockDisplay(dpy);
GetReq(QueryColors, req);
req->cmap = cmap;
req->length += ncolors; /* each pixel is a CARD32 */
for (i = 0; i < ncolors; i++)
Data32 (dpy, (long *)&defs[i].pixel, 4L);
/* XXX this isn't very efficient */
if (_XReply(dpy, (xReply *) &rep, 0, xFalse) != 0) {
if ((color = (xrgb *)
Xmalloc((unsigned) (nbytes = (long) ncolors * SIZEOF(xrgb))))) {
_XRead(dpy, (char *) color, nbytes);
for (i = 0; i < ncolors; i++) {
register XColor *def = &defs[i];
register xrgb *rgb = &color[i];
def->red = rgb->red;
def->green = rgb->green;
def->blue = rgb->blue;
def->flags = DoRed | DoGreen | DoBlue;
}
Xfree((char *)color);
}
else _XEatData(dpy, (unsigned long) nbytes);
}
UnlockDisplay(dpy);
SyncHandle();
return 1;
}
static char *
__glXQueryServerString(Display * dpy, int opcode, CARD32 screen, CARD32 name)
{
xGLXGenericGetStringReq *req;
xGLXSingleReply reply;
int length;
int numbytes;
char *buf;
CARD32 for_whom = screen;
CARD32 glxCode = X_GLXQueryServerString;
LockDisplay(dpy);
/* All of the GLX protocol requests for getting a string from the server
* look the same. The exact meaning of the for_whom field is usually
* either the screen number (for glXQueryServerString) or the context tag
* (for GLXSingle).
*/
GetReq(GLXGenericGetString, req);
req->reqType = opcode;
req->glxCode = glxCode;
req->for_whom = for_whom;
req->name = name;
_XReply(dpy, (xReply *) & reply, 0, False);
length = reply.length * 4;
numbytes = reply.size;
buf = (char *) Xmalloc(numbytes);
if (buf != NULL) {
_XRead(dpy, buf, numbytes);
length -= numbytes;
}
_XEatData(dpy, length);
UnlockDisplay(dpy);
SyncHandle();
return buf;
}
int
XiGMiscQueryResolutions(Display * dpy, int screen, int view, int *pactive,
XiGMiscResolutionInfo ** presolutions)
{
int n, size;
XiGMiscResolutionInfo *resolutions;
xXiGMiscQueryResolutionsReq *req;
xXiGMiscQueryResolutionsReply rep;
XExtDisplayInfo *info = XiGMiscFindDisplay(dpy);
XiGMiscCheckExtension(dpy, info, 0);
LockDisplay(dpy);
XiGMiscGetReq(XiGMiscQueryResolutions, req, info);
req->screen = screen;
req->view = view;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return 0;
}
n = rep.nresolutions;
if (n > 0) {
size = sizeof(XiGMiscResolutionInfo) * n;
resolutions = (XiGMiscResolutionInfo *) Xmalloc(size);
if (!resolutions) {
_XEatData(dpy, (unsigned long) size);
UnlockDisplay(dpy);
SyncHandle();
return 0;
}
_XReadPad(dpy, (void *) resolutions, size);
*presolutions = resolutions;
*pactive = rep.active;
}
UnlockDisplay(dpy);
SyncHandle();
return n;
}
int
XiGMiscQueryViews(Display * dpy, int screen, XiGMiscViewInfo ** pviews)
{
int n, size;
XiGMiscViewInfo *views;
xXiGMiscQueryViewsReq *req;
xXiGMiscQueryViewsReply rep;
XExtDisplayInfo *info = XiGMiscFindDisplay(dpy);
XiGMiscCheckExtension(dpy, info, 0);
LockDisplay(dpy);
XiGMiscGetReq(XiGMiscQueryViews, req, info);
req->screen = screen;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return 0;
}
n = rep.nviews;
if (n > 0) {
size = sizeof(XiGMiscViewInfo) * n;
views = (XiGMiscViewInfo *) Xmalloc(size);
if (!views) {
_XEatData(dpy, (unsigned long) size);
UnlockDisplay(dpy);
SyncHandle();
return 0;
}
_XReadPad(dpy, (void *) views, size);
*pviews = views;
}
UnlockDisplay(dpy);
SyncHandle();
return n;
}
/*
* XmbufGetWindowAttributes -
* Gets the multibuffering attributes that apply to all buffers associated
* with the given window. Returns non-zero on success and zero if an
* error occurs.
*/
Status XmbufGetWindowAttributes (
Display *dpy,
Window w,
XmbufWindowAttributes *attr)
{
XExtDisplayInfo *info = find_display (dpy);
register xMbufGetMBufferAttributesReq *req;
xMbufGetMBufferAttributesReply rep;
MbufCheckExtension (dpy, info, 0);
LockDisplay (dpy);
MbufGetReq (MbufGetMBufferAttributes, req, info);
req->window = w;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
UnlockDisplay (dpy);
SyncHandle ();
return 0;
}
attr->buffers = (Multibuffer *) NULL;
if ((attr->nbuffers = rep.length)) {
int nbytes = rep.length * sizeof(Multibuffer);
attr->buffers = (Multibuffer *) Xmalloc((unsigned) nbytes);
nbytes = rep.length << 2;
if (! attr->buffers) {
_XEatData(dpy, (unsigned long) nbytes);
UnlockDisplay(dpy);
SyncHandle();
return (0);
}
_XRead32 (dpy, (long *) attr->buffers, nbytes);
}
attr->displayed_index = rep.displayedBuffer;
attr->update_action = rep.updateAction;
attr->update_hint = rep.updateHint;
attr->window_mode = rep.windowMode;
UnlockDisplay (dpy);
SyncHandle();
return 1;
}
XModifierKeymap *
XGetDeviceModifierMapping(
register Display *dpy,
XDevice *dev)
{
unsigned long nbytes;
XModifierKeymap *res;
xGetDeviceModifierMappingReq *req;
xGetDeviceModifierMappingReply rep;
XExtDisplayInfo *info = XInput_find_display(dpy);
LockDisplay(dpy);
if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
return ((XModifierKeymap *) NoSuchExtension);
GetReq(GetDeviceModifierMapping, req);
req->reqType = info->codes->major_opcode;
req->ReqType = X_GetDeviceModifierMapping;
req->deviceid = dev->device_id;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return (XModifierKeymap *) NULL;
}
nbytes = (unsigned long)rep.length << 2;
res = (XModifierKeymap *) Xmalloc(sizeof(XModifierKeymap));
if (res) {
res->modifiermap = (KeyCode *) Xmalloc(nbytes);
if (res->modifiermap)
_XReadPad(dpy, (char *)res->modifiermap, nbytes);
else
_XEatData(dpy, (unsigned long)nbytes);
res->max_keypermod = rep.numKeyPerModifier;
}
UnlockDisplay(dpy);
SyncHandle();
return (res);
}
