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nv2a: Add fb sync complete event

This commit is contained in:
Matt Borgerson 2021-02-17 18:12:31 -07:00 committed by mborgerson
parent d854a6c829
commit 7b84142c4e
2 changed files with 12 additions and 15 deletions
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1
hw/xbox/nv2a/nv2a_int.h
View File

@ -357,6 +357,7 @@ typedef struct PGRAPHState {
bool waiting_for_context_switch;
bool flush_pending;
bool gl_sync_pending;
QemuEvent gl_sync_complete;
} PGRAPHState;
typedef struct NV2AState {

26
hw/xbox/nv2a/pgraph.c
View File

@ -2988,6 +2988,7 @@ void pgraph_init(NV2AState *d)
pg->downloads_pending = false;
qemu_mutex_init(&pg->lock);
qemu_event_init(&pg->gl_sync_complete, false);
/* fire up opengl */
glo_set_current(g_nv2a_context_render);
@ -3866,21 +3867,21 @@ void pgraph_gl_sync(NV2AState *d)
// Switch back to original context
glo_set_current(g_nv2a_context_render);
qemu_event_set(&d->pgraph.gl_sync_complete);
}
int nv2a_get_framebuffer_surface(void)
{
NV2AState *d = g_nv2a;
PGRAPHState *pg = &d->pgraph;
GLuint buffer = 0;
qemu_mutex_lock(&d->pfifo.lock);
// Lookup surface in surface cache
// FIXME: Possible race condition with pgraph, consider lock
SurfaceBinding *surface = pgraph_surface_get(d, d->pcrtc.start);
if (surface == NULL || !surface->color) {
goto done;
qemu_mutex_unlock(&d->pfifo.lock);
return 0;
}
assert(surface->color);
@ -3892,18 +3893,13 @@ int nv2a_get_framebuffer_surface(void)
);
surface->frame_time = pg->frame_time;
pg->gl_sync_pending = true;
do {
d->pfifo.fifo_kick = true;
qemu_cond_broadcast(&d->pfifo.fifo_cond);
qemu_cond_wait(&d->pfifo.fifo_idle_cond, &d->pfifo.lock);
} while (pg->gl_sync_pending);
buffer = pg->gl_display_buffer;
done:
qemu_event_reset(&d->pgraph.gl_sync_complete);
atomic_set(&pg->gl_sync_pending, true);
pfifo_kick(d);
qemu_mutex_unlock(&d->pfifo.lock);
return buffer;
qemu_event_wait(&d->pgraph.gl_sync_complete);
return pg->gl_display_buffer;
}
static bool pgraph_check_surface_to_texture_compatibility(