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#include "pipe/p_context.h"
#include "nv40_context.h"
#include "nv40_dma.h"
static uint
nv40_query_object_find(struct nv40_context *nv40, struct pipe_query_object *q)
{
int id;
for (id = 0; id < nv40->num_query_objects; id++) {
if (nv40->query_objects[id] == q)
return id;
}
return -1;
}
static void
nv40_query_begin(struct pipe_context *pipe, struct pipe_query_object *q)
{
struct nv40_context *nv40 = (struct nv40_context *)pipe;
int id;
assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER);
id = nv40_query_object_find(nv40, NULL);
assert(id >= 0);
nv40->query_objects[id] = q;
nv40->nvws->notifier_reset(nv40->query, id);
q->ready = 0;
BEGIN_RING(curie, NV40TCL_QUERY_RESET, 1);
OUT_RING (1);
BEGIN_RING(curie, NV40TCL_QUERY_UNK17CC, 1);
OUT_RING (1);
}
static void
nv40_query_update(struct pipe_context *pipe, struct pipe_query_object *q)
{
struct nv40_context *nv40 = (struct nv40_context *)pipe;
int id;
id = nv40_query_object_find(nv40, q);
assert(id >= 0);
if (nv40->nvws->notifier_status(nv40->query, id) == 0) {
q->ready = 1;
q->count = nv40->nvws->notifier_retval(nv40->query, id);
nv40->query_objects[id] = NULL;
}
}
static void
nv40_query_wait(struct pipe_context *pipe, struct pipe_query_object *q)
{
nv40_query_update(pipe, q);
if (!q->ready) {
struct nv40_context *nv40 = (struct nv40_context *)pipe;
int id;
id = nv40_query_object_find(nv40, q);
assert(id >= 0);
nv40->nvws->notifier_wait(nv40->query, id, 0, 0);
nv40_query_update(pipe, q);
assert(q->ready);
}
}
static void
nv40_query_end(struct pipe_context *pipe, struct pipe_query_object *q)
{
struct nv40_context *nv40 = (struct nv40_context *)pipe;
int id;
id = nv40_query_object_find(nv40, q);
assert(id >= 0);
BEGIN_RING(curie, NV40TCL_QUERY_GET, 1);
OUT_RING ((0x01 << NV40TCL_QUERY_GET_UNK24_SHIFT) |
((id * 32) << NV40TCL_QUERY_GET_OFFSET_SHIFT));
FIRE_RING ();
/*XXX: Some apps spin waiting for GL_QUERY_RESULT_AVAILABLE_ARB.
* Core mesa won't ask the driver to update the query object's
* status in this case, so the app waits forever.. fix this some
* day.
*/
#if 0
nv40_query_update(pipe, q);
#else
nv40_query_wait(pipe, q);
#endif
}
void
nv40_init_query_functions(struct nv40_context *nv40)
{
nv40->pipe.begin_query = nv40_query_begin;
nv40->pipe.end_query = nv40_query_end;
nv40->pipe.wait_query = nv40_query_wait;
}
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