mirror of
https://github.com/X11Libre/xf86-video-amdgpu.git
synced 2026-03-24 01:24:31 +00:00
ee4b074555
It's always present, no matter whether MIT sync fencing is actually enabled in the Xserver (we're checking that at rnutime). Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
135 lines
4.5 KiB
C
135 lines
4.5 KiB
C
/*
|
|
* Copyright © 2013-2014 Intel Corporation
|
|
* Copyright © 2015 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the name of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL 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 PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
#include <xorg-server.h>
|
|
|
|
#include "amdgpu_drv.h"
|
|
|
|
#include "misync.h"
|
|
#include "misyncshm.h"
|
|
#include "misyncstr.h"
|
|
|
|
#include "amdgpu_glamor.h"
|
|
|
|
/*
|
|
* This whole file exists to wrap a sync fence trigger operation
|
|
* so that we can flush the batch buffer to provide serialization
|
|
* between the server and the shm fence client
|
|
*/
|
|
|
|
static DevPrivateKeyRec amdgpu_sync_fence_private_key;
|
|
|
|
typedef struct _amdgpu_sync_fence_private {
|
|
SyncFenceSetTriggeredFunc set_triggered;
|
|
} amdgpu_sync_fence_private;
|
|
|
|
#define SYNC_FENCE_PRIV(pFence) \
|
|
(amdgpu_sync_fence_private *) dixLookupPrivate(&pFence->devPrivates, &amdgpu_sync_fence_private_key)
|
|
|
|
static void
|
|
amdgpu_sync_fence_set_triggered (SyncFence *fence)
|
|
{
|
|
ScreenPtr screen = fence->pScreen;
|
|
amdgpu_sync_fence_private *private = SYNC_FENCE_PRIV(fence);
|
|
|
|
/* Flush pending rendering operations */
|
|
amdgpu_glamor_flush(xf86ScreenToScrn(screen));
|
|
|
|
fence->funcs.SetTriggered = private->set_triggered;
|
|
fence->funcs.SetTriggered(fence);
|
|
private->set_triggered = fence->funcs.SetTriggered;
|
|
fence->funcs.SetTriggered = amdgpu_sync_fence_set_triggered;
|
|
}
|
|
|
|
static void
|
|
amdgpu_sync_create_fence(ScreenPtr screen,
|
|
SyncFence *fence,
|
|
Bool initially_triggered)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
AMDGPUInfoPtr info = AMDGPUPTR(scrn);
|
|
SyncScreenFuncsPtr screen_funcs = miSyncGetScreenFuncs(screen);
|
|
amdgpu_sync_fence_private *private = SYNC_FENCE_PRIV(fence);
|
|
|
|
screen_funcs->CreateFence = info->CreateFence;
|
|
screen_funcs->CreateFence(screen, fence, initially_triggered);
|
|
info->CreateFence = screen_funcs->CreateFence;
|
|
screen_funcs->CreateFence = amdgpu_sync_create_fence;
|
|
|
|
private->set_triggered = fence->funcs.SetTriggered;
|
|
fence->funcs.SetTriggered = amdgpu_sync_fence_set_triggered;
|
|
}
|
|
|
|
Bool
|
|
amdgpu_sync_init(ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
AMDGPUInfoPtr info = AMDGPUPTR(scrn);
|
|
SyncScreenFuncsPtr screen_funcs;
|
|
|
|
if (!xf86LoaderCheckSymbol("miSyncShmScreenInit")) {
|
|
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
|
|
"SYNC extension fences disabled because "
|
|
"miSyncShmScreenInit symbol unresolved\n");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!miSyncShmScreenInit(screen)) {
|
|
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
|
|
"SYNC extension fences disabled because "
|
|
"miSyncShmScreenInit failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!dixPrivateKeyRegistered(&amdgpu_sync_fence_private_key)) {
|
|
if (!dixRegisterPrivateKey(&amdgpu_sync_fence_private_key,
|
|
PRIVATE_SYNC_FENCE,
|
|
sizeof (amdgpu_sync_fence_private))) {
|
|
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
|
|
"SYNC extension fences disabled because "
|
|
"dixRegisterPrivateKey failed\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
xf86DrvMsg(xf86ScreenToScrn(screen)->scrnIndex, X_INFO,
|
|
"SYNC extension fences enabled\n");
|
|
|
|
screen_funcs = miSyncGetScreenFuncs(screen);
|
|
info->CreateFence = screen_funcs->CreateFence;
|
|
screen_funcs->CreateFence = amdgpu_sync_create_fence;
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
amdgpu_sync_close(ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
AMDGPUInfoPtr info = AMDGPUPTR(scrn);
|
|
SyncScreenFuncsPtr screen_funcs = miSyncGetScreenFuncs(screen);
|
|
|
|
if (screen_funcs && info->CreateFence)
|
|
screen_funcs->CreateFence = info->CreateFence;
|
|
|
|
info->CreateFence = NULL;
|
|
}
|