0,0 → 1,544 |
/* |
* 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) |
*/ |
|
|
#ifdef GLX_DIRECT_RENDERING |
|
#include <stdio.h> |
#include <X11/Xlibint.h> |
#include <X11/extensions/Xext.h> |
#include <X11/extensions/extutil.h> |
#include <X11/extensions/dri2proto.h> |
#include "xf86drm.h" |
#include "dri2.h" |
#include "glxclient.h" |
#include "GL/glxext.h" |
|
/* Allow the build to work with an older versions of dri2proto.h and |
* dri2tokens.h. |
*/ |
#if DRI2_MINOR < 1 |
#undef DRI2_MINOR |
#define DRI2_MINOR 1 |
#define X_DRI2GetBuffersWithFormat 7 |
#endif |
|
|
static char dri2ExtensionName[] = DRI2_NAME; |
static XExtensionInfo *dri2Info; |
static XEXT_GENERATE_CLOSE_DISPLAY (DRI2CloseDisplay, dri2Info) |
|
static Bool |
DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire); |
static Status |
DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire); |
static int |
DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code); |
|
static /* const */ XExtensionHooks dri2ExtensionHooks = { |
NULL, /* create_gc */ |
NULL, /* copy_gc */ |
NULL, /* flush_gc */ |
NULL, /* free_gc */ |
NULL, /* create_font */ |
NULL, /* free_font */ |
DRI2CloseDisplay, /* close_display */ |
DRI2WireToEvent, /* wire_to_event */ |
DRI2EventToWire, /* event_to_wire */ |
DRI2Error, /* error */ |
NULL, /* error_string */ |
}; |
|
static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, |
dri2Info, |
dri2ExtensionName, |
&dri2ExtensionHooks, |
0, NULL) |
|
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); |
|
/* 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 (awire->sbc < glxDraw->lastEventSbc) |
glxDraw->eventSbcWrap += 0x100000000; |
glxDraw->lastEventSbc = awire->sbc; |
aevent->sbc = awire->sbc + glxDraw->eventSbcWrap; |
|
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; |
} |
|
/* 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; |
} |
|
static int |
DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code) |
{ |
if (err->majorCode == codes->major_opcode && |
err->errorCode == BadDrawable && |
err->minorCode == X_DRI2CopyRegion) |
return True; |
|
/* If the X drawable was destroyed before the GLX drawable, the |
* DRI2 drawble will be gone by the time we call |
* DRI2DestroyDrawable. So just ignore BadDrawable here. */ |
if (err->majorCode == codes->major_opcode && |
err->errorCode == BadDrawable && |
err->minorCode == X_DRI2DestroyDrawable) |
return True; |
|
/* If the server is non-local DRI2Connect will raise BadRequest. |
* Swallow this so that DRI2Connect can signal this in its return code */ |
if (err->majorCode == codes->major_opcode && |
err->minorCode == X_DRI2Connect && |
err->errorCode == BadRequest) { |
*ret_code = False; |
return True; |
} |
|
return False; |
} |
|
Bool |
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 |
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; |
} |
|
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; |
} |
|
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; |
} |
|
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(); |
} |
|
void |
DRI2DestroyDrawable(Display * dpy, XID drawable) |
{ |
XExtDisplayInfo *info = DRI2FindDisplay(dpy); |
xDRI2DestroyDrawableReq *req; |
|
XextSimpleCheckExtension(dpy, info, 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(); |
} |
|
DRI2Buffer * |
DRI2GetBuffers(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, 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 = malloc(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; |
} |
|
|
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)) { |
UnlockDisplay(dpy); |
SyncHandle(); |
return NULL; |
} |
|
*width = rep.width; |
*height = rep.height; |
*outCount = rep.count; |
|
buffers = malloc(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 |
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(); |
} |
|
#endif /* GLX_DIRECT_RENDERING */ |