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#include "pipe/p_context.h"
#include "nv40_context.h"
struct nv40_query {
struct nouveau_resource *object;
unsigned type;
boolean ready;
uint64_t result;
};
static INLINE struct nv40_query *
nv40_query(struct pipe_query *pipe)
{
return (struct nv40_query *)pipe;
}
static struct pipe_query *
nv40_query_create(struct pipe_context *pipe, unsigned query_type)
{
struct nv40_query *q;
q = CALLOC(1, sizeof(struct nv40_query));
q->type = query_type;
return (struct pipe_query *)q;
}
static void
nv40_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv40_query *q = nv40_query(pq);
if (q->object)
nouveau_resource_free(&q->object);
FREE(q);
}
static void
nv40_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv40_context *nv40 = nv40_context(pipe);
struct nv40_query *q = nv40_query(pq);
struct nv40_screen *screen = nv40->screen;
struct nouveau_channel *chan = screen->base.channel;
struct nouveau_grobj *eng3d = screen->eng3d;
assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER);
/* Happens when end_query() is called, then another begin_query()
* without querying the result in-between. For now we'll wait for
* the existing query to notify completion, but it could be better.
*/
if (q->object) {
uint64_t tmp;
pipe->get_query_result(pipe, pq, 1, &tmp);
}
if (nouveau_resource_alloc(nv40->screen->query_heap, 1, NULL, &q->object))
assert(0);
nouveau_notifier_reset(nv40->screen->query, q->object->start);
BEGIN_RING(chan, eng3d, NV34TCL_QUERY_RESET, 1);
OUT_RING (chan, 1);
BEGIN_RING(chan, eng3d, NV34TCL_QUERY_UNK17CC, 1);
OUT_RING (chan, 1);
q->ready = FALSE;
}
static void
nv40_query_end(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv40_context *nv40 = nv40_context(pipe);
struct nv40_query *q = nv40_query(pq);
struct nv40_screen *screen = nv40->screen;
struct nouveau_channel *chan = screen->base.channel;
struct nouveau_grobj *eng3d = screen->eng3d;
BEGIN_RING(chan, eng3d, NV34TCL_QUERY_GET, 1);
OUT_RING (chan, (0x01 << NV34TCL_QUERY_GET_UNK24_SHIFT) |
((q->object->start * 32) << NV34TCL_QUERY_GET_OFFSET_SHIFT));
FIRE_RING(chan);
}
static boolean
nv40_query_result(struct pipe_context *pipe, struct pipe_query *pq,
boolean wait, uint64_t *result)
{
struct nv40_context *nv40 = nv40_context(pipe);
struct nv40_query *q = nv40_query(pq);
assert(q->object && q->type == PIPE_QUERY_OCCLUSION_COUNTER);
if (!q->ready) {
unsigned status;
status = nouveau_notifier_status(nv40->screen->query,
q->object->start);
if (status != NV_NOTIFY_STATE_STATUS_COMPLETED) {
if (wait == FALSE)
return FALSE;
nouveau_notifier_wait_status(nv40->screen->query,
q->object->start,
NV_NOTIFY_STATE_STATUS_COMPLETED,
0);
}
q->result = nouveau_notifier_return_val(nv40->screen->query,
q->object->start);
q->ready = TRUE;
nouveau_resource_free(&q->object);
}
*result = q->result;
return TRUE;
}
void
nv40_init_query_functions(struct nv40_context *nv40)
{
nv40->pipe.create_query = nv40_query_create;
nv40->pipe.destroy_query = nv40_query_destroy;
nv40->pipe.begin_query = nv40_query_begin;
nv40->pipe.end_query = nv40_query_end;
nv40->pipe.get_query_result = nv40_query_result;
}
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