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yours3lf 2020-06-03 22:40:58 +01:00
parent 38011f22a3
commit 2f8484e65d
1 changed files with 25 additions and 13 deletions
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38
driver/modeset.c
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@ -19,40 +19,50 @@ typedef struct vsyncData
static uint32_t refCount = 0;
static pthread_t flipQueueThread = 0;
static Fifo flipQueueFifo = {};
static Fifo flipQueueFifo;
static vsyncData dataMem[FLIP_FIFO_SIZE];
static FifoElem fifoMem[FLIP_FIFO_SIZE];
static atomic_int flip_queue_guard = 0;
static void flipQueueThreadFunction(void* vargp)
static void* flipQueueThreadFunction(void* vargp)
{
uint32_t run = 1;
uint64_t lastFinishedSeqno = 0;
int fd = *(int*)vargp;
int threadFD = *(int*)vargp;
while(run)
{
vsyncData* d = 0;
while(flip_queue_guard);
flip_queue_guard = 1;
d = fifoGetLast(&flipQueueFifo);
uint64_t seqno = 0;
run = refCount;
{
while(flip_queue_guard);
flip_queue_guard = 1;
flip_queue_guard = 0;
vsyncData* d = fifoGetLast(&flipQueueFifo);
if(d)
{
seqno = d->seqno;
}
if(d && d->seqno)
run = refCount;
flip_queue_guard = 0;
}
if(seqno)
{
uint64_t timeOut = 1000000; //1 ms in ns
int ret = vc4_seqno_wait(controlFd, &lastFinishedSeqno, d->seqno, &timeOut);
int ret = vc4_seqno_wait(threadFD, &lastFinishedSeqno, seqno, &timeOut);
if(ret > 0)
{
while(flip_queue_guard);
flip_queue_guard = 1;
vsyncData* d = fifoGetLast(&flipQueueFifo);
fprintf(stderr, "seqno finished, flipping %llu image %p\n", d->seqno, d->i);
d->seqno = 0; //done!
@ -61,15 +71,17 @@ static void flipQueueThreadFunction(void* vargp)
if(d->i->presentMode == VK_PRESENT_MODE_FIFO_KHR)
{
drmModePageFlip(fd, d->s->crtc->crtc_id, d->i->fb, DRM_MODE_PAGE_FLIP_EVENT, d);
drmModePageFlip(threadFD, d->s->crtc->crtc_id, d->i->fb, DRM_MODE_PAGE_FLIP_EVENT, d);
}
else if(d->i->presentMode == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
drmModePageFlip(fd, d->s->crtc->crtc_id, d->i->fb, DRM_MODE_PAGE_FLIP_ASYNC, 0);
drmModePageFlip(threadFD, d->s->crtc->crtc_id, d->i->fb, DRM_MODE_PAGE_FLIP_ASYNC, 0);
}
}
}
}
return 0;
}
void modeset_enum_displays(int fd, uint32_t* numDisplays, modeset_display* displays)