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#include "pipe/p_context.h"
#include "nvfx_context.h"
struct nvfx_query {
struct list_head list;
struct nouveau_resource *object;
unsigned type;
boolean ready;
uint64_t result;
};
static INLINE struct nvfx_query *
nvfx_query(struct pipe_query *pipe)
{
return (struct nvfx_query *)pipe;
}
static struct pipe_query *
nvfx_query_create(struct pipe_context *pipe, unsigned query_type)
{
struct nvfx_query *q;
q = CALLOC(1, sizeof(struct nvfx_query));
q->type = query_type;
assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER);
return (struct pipe_query *)q;
}
static void
nvfx_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nvfx_query *q = nvfx_query(pq);
if (q->object)
{
nouveau_resource_free(&q->object);
LIST_DEL(&q->list);
}
FREE(q);
}
static void
nvfx_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
struct nvfx_query *q = nvfx_query(pq);
struct nvfx_screen *screen = nvfx->screen;
struct nouveau_channel *chan = screen->base.channel;
struct nouveau_grobj *eng3d = screen->eng3d;
uint64_t tmp;
assert(!nvfx->query);
/* 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)
pipe->get_query_result(pipe, pq, 1, (void*)&tmp);
while (nouveau_resource_alloc(nvfx->screen->query_heap, 1, NULL, &q->object))
{
struct nvfx_query* oldestq;
assert(!LIST_IS_EMPTY(&nvfx->screen->query_list));
oldestq = LIST_ENTRY(struct nvfx_query, nvfx->screen->query_list.next, list);
pipe->get_query_result(pipe, (struct pipe_query*)oldestq, 1, (void*)&tmp);
}
LIST_ADDTAIL(&q->list, &nvfx->screen->query_list);
nouveau_notifier_reset(nvfx->screen->query, q->object->start);
BEGIN_RING(chan, eng3d, NV30_3D_QUERY_RESET, 1);
OUT_RING(chan, 1);
BEGIN_RING(chan, eng3d, NV30_3D_QUERY_ENABLE, 1);
OUT_RING(chan, 1);
q->ready = FALSE;
nvfx->query = pq;
}
static void
nvfx_query_end(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
struct nvfx_query *q = nvfx_query(pq);
assert(nvfx->query == pq);
BEGIN_RING(chan, eng3d, NV30_3D_QUERY_GET, 1);
OUT_RING (chan, (0x01 << NV30_3D_QUERY_GET_UNK24__SHIFT) |
((q->object->start * 32) << NV30_3D_QUERY_GET_OFFSET__SHIFT));
BEGIN_RING(chan, eng3d, NV30_3D_QUERY_ENABLE, 1);
OUT_RING(chan, 0);
FIRE_RING(chan);
nvfx->query = 0;
}
static boolean
nvfx_query_result(struct pipe_context *pipe, struct pipe_query *pq,
boolean wait, union pipe_query_result *vresult)
{
uint64_t *result = (uint64_t *)vresult;
struct nvfx_context *nvfx = nvfx_context(pipe);
struct nvfx_query *q = nvfx_query(pq);
if (!q->ready) {
unsigned status;
status = nouveau_notifier_status(nvfx->screen->query,
q->object->start);
if (status != NV_NOTIFY_STATE_STATUS_COMPLETED) {
if (wait == FALSE)
return FALSE;
nouveau_notifier_wait_status(nvfx->screen->query,
q->object->start,
NV_NOTIFY_STATE_STATUS_COMPLETED, 0);
}
q->result = nouveau_notifier_return_val(nvfx->screen->query,
q->object->start);
q->ready = TRUE;
nouveau_resource_free(&q->object);
LIST_DEL(&q->list);
}
*result = q->result;
return TRUE;
}
void
nvfx_init_query_functions(struct nvfx_context *nvfx)
{
nvfx->pipe.create_query = nvfx_query_create;
nvfx->pipe.destroy_query = nvfx_query_destroy;
nvfx->pipe.begin_query = nvfx_query_begin;
nvfx->pipe.end_query = nvfx_query_end;
nvfx->pipe.get_query_result = nvfx_query_result;
}
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