0,0 → 1,368 |
/* |
* Copyright © 2008 Red Hat, Inc. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Soft- |
* ware"), to deal in the Software without restriction, including without |
* limitation the rights to use, copy, modify, merge, publish, distribute, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, provided that the above copyright |
* notice(s) and this permission notice appear in all copies of the Soft- |
* ware and that both the above copyright notice(s) and this permission |
* notice appear in supporting documentation. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- |
* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY |
* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN |
* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- |
* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- |
* MANCE OF THIS SOFTWARE. |
* |
* Except as contained in this notice, the name of a copyright holder shall |
* not be used in advertising or otherwise to promote the sale, use or |
* other dealings in this Software without prior written authorization of |
* the copyright holder. |
* |
* Authors: |
* Kristian Høgsberg (krh@redhat.com) |
*/ |
|
|
#define NEED_REPLIES |
#include <X11/Xlibint.h> |
#include <X11/extensions/Xext.h> |
#include <X11/extensions/extutil.h> |
#include "xf86drm.h" |
#include "va_dri2.h" |
#include "va_dri2str.h" |
#include "va_dri2tokens.h" |
|
#ifndef DRI2DriverDRI |
#define DRI2DriverDRI 0 |
#endif |
|
static int |
VA_DRI2Error(Display *dpy, xError *err, XExtCodes *codes, int *ret_code); |
|
static char va_dri2ExtensionName[] = DRI2_NAME; |
static XExtensionInfo _va_dri2_info_data; |
static XExtensionInfo *va_dri2Info = &_va_dri2_info_data; |
static XEXT_GENERATE_CLOSE_DISPLAY (VA_DRI2CloseDisplay, va_dri2Info) |
static /* const */ XExtensionHooks va_dri2ExtensionHooks = { |
NULL, /* create_gc */ |
NULL, /* copy_gc */ |
NULL, /* flush_gc */ |
NULL, /* free_gc */ |
NULL, /* create_font */ |
NULL, /* free_font */ |
VA_DRI2CloseDisplay, /* close_display */ |
NULL, /* wire_to_event */ |
NULL, /* event_to_wire */ |
VA_DRI2Error, /* error */ |
NULL, /* error_string */ |
}; |
|
static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, va_dri2Info, |
va_dri2ExtensionName, |
&va_dri2ExtensionHooks, |
0, NULL) |
|
static int |
VA_DRI2Error(Display *dpy, xError *err, XExtCodes *codes, int *ret_code) |
{ |
/* |
* If the X drawable was destroyed before the VA drawable, the DRI2 drawable |
* will be gone by the time we call VA_DRI2DestroyDrawable(). So, simply |
* ignore BadDrawable errors in that case. |
*/ |
if (err->majorCode == codes->major_opcode && |
err->errorCode == BadDrawable && |
err->minorCode == X_DRI2DestroyDrawable) |
return True; |
|
return False; |
} |
|
Bool VA_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; |
} |
|
Bool VA_DRI2QueryVersion(Display *dpy, int *major, int *minor) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay (dpy); |
xDRI2QueryVersionReply rep; |
xDRI2QueryVersionReq *req; |
|
XextCheckExtension (dpy, info, va_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 VA_DRI2Connect(Display *dpy, XID window, |
char **driverName, char **deviceName) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2ConnectReply rep; |
xDRI2ConnectReq *req; |
|
XextCheckExtension (dpy, info, va_dri2ExtensionName, False); |
|
LockDisplay(dpy); |
GetReq(DRI2Connect, req); |
req->reqType = info->codes->major_opcode; |
req->dri2ReqType = X_DRI2Connect; |
req->window = window; |
req->driverType = DRI2DriverDRI; |
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 VA_DRI2Authenticate(Display *dpy, XID window, drm_magic_t magic) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2AuthenticateReq *req; |
xDRI2AuthenticateReply rep; |
|
XextCheckExtension (dpy, info, va_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; |
} |
|
void VA_DRI2CreateDrawable(Display *dpy, XID drawable) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2CreateDrawableReq *req; |
|
XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); |
|
LockDisplay(dpy); |
GetReq(DRI2CreateDrawable, req); |
req->reqType = info->codes->major_opcode; |
req->dri2ReqType = X_DRI2CreateDrawable; |
req->drawable = drawable; |
UnlockDisplay(dpy); |
SyncHandle(); |
} |
|
void VA_DRI2DestroyDrawable(Display *dpy, XID drawable) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2DestroyDrawableReq *req; |
|
XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); |
|
XSync(dpy, False); |
|
LockDisplay(dpy); |
GetReq(DRI2DestroyDrawable, req); |
req->reqType = info->codes->major_opcode; |
req->dri2ReqType = X_DRI2DestroyDrawable; |
req->drawable = drawable; |
UnlockDisplay(dpy); |
SyncHandle(); |
} |
|
VA_DRI2Buffer *VA_DRI2GetBuffers(Display *dpy, XID drawable, |
int *width, int *height, |
unsigned int *attachments, int count, |
int *outCount) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2GetBuffersReply rep; |
xDRI2GetBuffersReq *req; |
VA_DRI2Buffer *buffers; |
xDRI2Buffer repBuffer; |
CARD32 *p; |
int i; |
|
XextCheckExtension (dpy, info, va_dri2ExtensionName, False); |
|
LockDisplay(dpy); |
GetReqExtra(DRI2GetBuffers, count * 4, req); |
req->reqType = info->codes->major_opcode; |
req->dri2ReqType = X_DRI2GetBuffers; |
req->drawable = drawable; |
req->count = count; |
p = (CARD32 *) &req[1]; |
for (i = 0; i < count; i++) |
p[i] = attachments[i]; |
|
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { |
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 VA_DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region, |
CARD32 dest, CARD32 src) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2CopyRegionReq *req; |
xDRI2CopyRegionReply rep; |
|
XextSimpleCheckExtension (dpy, info, va_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 void |
load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor, |
CARD64 remainder) |
{ |
req->target_msc_hi = target >> 32; |
req->target_msc_lo = target & 0xffffffff; |
req->divisor_hi = divisor >> 32; |
req->divisor_lo = divisor & 0xffffffff; |
req->remainder_hi = remainder >> 32; |
req->remainder_lo = remainder & 0xffffffff; |
} |
|
static CARD64 |
vals_to_card64(CARD32 lo, CARD32 hi) |
{ |
return (CARD64)hi << 32 | lo; |
} |
|
void VA_DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc, |
CARD64 divisor, CARD64 remainder, CARD64 *count) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2SwapBuffersReq *req; |
xDRI2SwapBuffersReply rep; |
|
XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); |
|
LockDisplay(dpy); |
GetReq(DRI2SwapBuffers, req); |
req->reqType = info->codes->major_opcode; |
req->dri2ReqType = X_DRI2SwapBuffers; |
req->drawable = drawable; |
load_swap_req(req, target_msc, divisor, remainder); |
|
_XReply(dpy, (xReply *)&rep, 0, xFalse); |
|
*count = vals_to_card64(rep.swap_lo, rep.swap_hi); |
|
UnlockDisplay(dpy); |
SyncHandle(); |
} |