Bool
_vdp_DRI2QueryVersion(Display * dpy, int *major, int *minor)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2QueryVersionReply rep;
xDRI2QueryVersionReq *req;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
LockDisplay(dpy);
GetReq(DRI2QueryVersion, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2QueryVersion;
req->majorVersion = DRI2_MAJOR;
req->minorVersion = DRI2_MINOR;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*major = rep.majorVersion;
*minor = rep.minorVersion;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
Bool
DRI2Authenticate(Display * dpy, XID window, drm_magic_t magic)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2AuthenticateReq *req;
xDRI2AuthenticateReply rep;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
LockDisplay(dpy);
GetReq(DRI2Authenticate, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2Authenticate;
req->window = window;
req->magic = magic;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
UnlockDisplay(dpy);
SyncHandle();
return rep.authenticated;
}
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;
}
static Bool
DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
{
#if 0
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
XExtDisplayInfo *glx_info = glXFindDisplay(dpy);
XextCheckExtension(dpy, info, dri2ExtensionName, False);
switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
#ifdef X_DRI2SwapBuffers
case DRI2_BufferSwapComplete:
{
GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
xDRI2BufferSwapComplete *awire = (xDRI2BufferSwapComplete *)wire;
aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
aevent->type =
(glx_info->codes->first_event + GLX_BufferSwapComplete) & 0x75;
aevent->send_event = (awire->type & 0x80) != 0;
aevent->display = dpy;
aevent->drawable = awire->drawable;
switch (awire->event_type) {
case DRI2_EXCHANGE_COMPLETE:
aevent->event_type = GLX_EXCHANGE_COMPLETE_INTEL;
break;
case DRI2_BLIT_COMPLETE:
aevent->event_type = GLX_BLIT_COMPLETE_INTEL;
break;
case DRI2_FLIP_COMPLETE:
aevent->event_type = GLX_FLIP_COMPLETE_INTEL;
break;
default:
/* unknown swap completion type */
return False;
}
aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo;
return True;
}
#endif
#ifdef DRI2_InvalidateBuffers
case DRI2_InvalidateBuffers:
{
xDRI2InvalidateBuffers *awire = (xDRI2InvalidateBuffers *)wire;
dri2InvalidateBuffers(dpy, awire->drawable);
return False;
}
#endif
default:
/* client doesn't support server event */
break;
}
#endif
return False;
}
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
_vdp_DRI2QueryExtension(Display * dpy, int *eventBase, int *errorBase)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
if (XextHasExtension(info)) {
*eventBase = info->codes->first_event;
*errorBase = info->codes->first_error;
return True;
}
return False;
}
/* We don't actually support this. It doesn't make sense for clients to
* send each other DRI2 events.
*/
static Status
DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
XextCheckExtension(dpy, info, dri2ExtensionName, False);
switch (event->type) {
default:
/* client doesn't support server event */
break;
}
return Success;
}
void
DRI2CreateDrawable(Display * dpy, XID drawable)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2CreateDrawableReq *req;
XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
LockDisplay(dpy);
GetReq(DRI2CreateDrawable, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2CreateDrawable;
req->drawable = drawable;
UnlockDisplay(dpy);
SyncHandle();
}
Bool
DRI2QueryVersion(Display * dpy, int *major, int *minor)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2QueryVersionReply rep;
xDRI2QueryVersionReq *req;
int i, nevents;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
LockDisplay(dpy);
GetReq(DRI2QueryVersion, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2QueryVersion;
req->majorVersion = DRI2_MAJOR;
req->minorVersion = DRI2_MINOR;
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*major = rep.majorVersion;
*minor = rep.minorVersion;
UnlockDisplay(dpy);
SyncHandle();
switch (rep.minorVersion) {
case 1:
nevents = 0;
break;
case 2:
nevents = 1;
break;
case 3:
default:
nevents = 2;
break;
}
for (i = 0; i < nevents; i++) {
XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
}
return True;
}
void
DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
CARD32 dest, CARD32 src)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
xDRI2CopyRegionReq *req;
xDRI2CopyRegionReply rep;
XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
LockDisplay(dpy);
GetReq(DRI2CopyRegion, req);
req->reqType = info->codes->major_opcode;
req->dri2ReqType = X_DRI2CopyRegion;
req->drawable = drawable;
req->region = region;
req->dest = dest;
req->src = src;
_XReply(dpy, (xReply *) & rep, 0, xFalse);
UnlockDisplay(dpy);
SyncHandle();
}
static Bool
DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
{
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
struct glx_drawable *glxDraw;
XextCheckExtension(dpy, info, dri2ExtensionName, False);
switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
#ifdef X_DRI2SwapBuffers
case DRI2_BufferSwapComplete:
{
GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
xDRI2BufferSwapComplete2 *awire = (xDRI2BufferSwapComplete2 *)wire;
__GLXDRIdrawable *pdraw;
pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, awire->drawable);
if (pdraw == NULL)
return False;
/* Ignore swap events if we're not looking for them */
aevent->type = dri2GetSwapEventType(dpy, awire->drawable);
if(!aevent->type)
return False;
aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
aevent->send_event = (awire->type & 0x80) != 0;
aevent->display = dpy;
aevent->drawable = awire->drawable;
switch (awire->event_type) {
case DRI2_EXCHANGE_COMPLETE:
aevent->event_type = GLX_EXCHANGE_COMPLETE_INTEL;
break;
case DRI2_BLIT_COMPLETE:
aevent->event_type = GLX_COPY_COMPLETE_INTEL;
break;
case DRI2_FLIP_COMPLETE:
aevent->event_type = GLX_FLIP_COMPLETE_INTEL;
break;
default:
/* unknown swap completion type */
return False;
}
aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
glxDraw = GetGLXDrawable(dpy, pdraw->drawable);
if (glxDraw != NULL) {
if (awire->sbc < glxDraw->lastEventSbc)
glxDraw->eventSbcWrap += 0x100000000;
glxDraw->lastEventSbc = awire->sbc;
aevent->sbc = awire->sbc + glxDraw->eventSbcWrap;
} else {
aevent->sbc = awire->sbc;
}
return True;
}
#endif
#ifdef DRI2_InvalidateBuffers
case DRI2_InvalidateBuffers:
{
xDRI2InvalidateBuffers *awire = (xDRI2InvalidateBuffers *)wire;
dri2InvalidateBuffers(dpy, awire->drawable);
return False;
}
#endif
default:
/* client doesn't support server event */
break;
}
return False;
}
Bool
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 = DRI2DriverDRI;
#ifdef DRI2DriverPrimeShift
{
char *prime = getenv("DRI_PRIME");
if (prime) {
uint32_t primeid;
errno = 0;
primeid = strtoul(prime, NULL, 0);
if (errno == 0)
req->driverType |=
((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
}
}
#endif
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 = malloc(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 = malloc(rep.deviceNameLength + 1);
if (*deviceName == NULL) {
free(*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;
}
