src/mesa/pipe/nv30/nv30_query.c

   1 #include "pipe/p_context.h"
   2
   3 #include "nv30_context.h"
   4
   5 struct nv30_query {
   6         struct nouveau_resource *object;
   7         unsigned type;
   8         boolean ready;
   9         uint64_t result;
  10 };
  11
  12 static inline struct nv30_query *
  13 nv30_query(struct pipe_query *pipe)
  14 {
  15         return (struct nv30_query *)pipe;
  16 }
  17
  18 static struct pipe_query *
  19 nv30_query_create(struct pipe_context *pipe, unsigned query_type)
  20 {
  21         struct nv30_query *q;
  22
  23         q = calloc(1, sizeof(struct nv30_query));
  24         q->type = query_type;
  25
  26         return (struct pipe_query *)q;
  27 }
  28
  29 static void
  30 nv30_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
  31 {
  32         struct nv30_context *nv30 = nv30_context(pipe);
  33         struct nv30_query *q = nv30_query(pq);
  34
  35         if (q->object)
  36                 nv30->nvws->res_free(&q->object);
  37         free(q);
  38 }
  39
  40 static void
  41 nv30_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
  42 {
  43         struct nv30_context *nv30 = nv30_context(pipe);
  44         struct nv30_query *q = nv30_query(pq);
  45
  46         assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER);
  47
  48         if (nv30->nvws->res_alloc(nv30->query_heap, 1, NULL, &q->object))
  49                 assert(0);
  50         nv30->nvws->notifier_reset(nv30->query, q->object->start);
  51
  52         BEGIN_RING(rankine, NV34TCL_QUERY_RESET, 1);
  53         OUT_RING  (1);
  54         BEGIN_RING(rankine, NV34TCL_QUERY_UNK17CC, 1);
  55         OUT_RING  (1);
  56
  57         q->ready = FALSE;
  58 }
  59
  60 static void
  61 nv30_query_end(struct pipe_context *pipe, struct pipe_query *pq)
  62 {
  63         struct nv30_context *nv30 = nv30_context(pipe);
  64         struct nv30_query *q = nv30_query(pq);
  65
  66         BEGIN_RING(rankine, NV34TCL_QUERY_GET, 1);
  67         OUT_RING  ((0x01 << NV34TCL_QUERY_GET_UNK24_SHIFT) |
  68                    ((q->object->start * 32) << NV34TCL_QUERY_GET_OFFSET_SHIFT));
  69         FIRE_RING();
  70 }
  71
  72 static boolean
  73 nv30_query_result(struct pipe_context *pipe, struct pipe_query *pq,
  74                   boolean wait, uint64 *result)
  75 {
  76         struct nv30_context *nv30 = nv30_context(pipe);
  77         struct nv30_query *q = nv30_query(pq);
  78         struct nouveau_winsys *nvws = nv30->nvws;
  79
  80         assert(q->object && q->type == PIPE_QUERY_OCCLUSION_COUNTER);
  81
  82         if (!q->ready) {
  83                 unsigned status;
  84
  85                 status = nvws->notifier_status(nv30->query, q->object->start);
  86                 if (status != NV_NOTIFY_STATE_STATUS_COMPLETED) {
  87                         if (wait == FALSE)
  88                                 return FALSE;
  89                         nvws->notifier_wait(nv30->query, q->object->start,
  90                                             NV_NOTIFY_STATE_STATUS_COMPLETED,
  91                                             0);
  92                 }
  93
  94                 q->result = nvws->notifier_retval(nv30->query,
  95                                                   q->object->start);
  96                 q->ready = TRUE;
  97                 nvws->res_free(&q->object);
  98         }
  99
 100         *result = q->result;
 101         return TRUE;
 102 }
 103
 104 void
 105 nv30_init_query_functions(struct nv30_context *nv30)
 106 {
 107         nv30->pipe.create_query = nv30_query_create;
 108         nv30->pipe.destroy_query = nv30_query_destroy;
 109         nv30->pipe.begin_query = nv30_query_begin;
 110         nv30->pipe.end_query = nv30_query_end;
 111         nv30->pipe.get_query_result = nv30_query_result;
 112 }