/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*
*/
#include "nouveau/nv_object.xml.h"
#include "nv30-40_3d.xml.h"
#include "nv30_screen.h"
#include "nv30_context.h"
#define LIST_FIRST_ENTRY(__type, __item, __field) \
LIST_ENTRY(__type, (__item)->next, __field)
struct nv30_query_object {
struct list_head list;
struct nouveau_heap *hw;
};
static volatile void *
nv30_ntfy(struct nv30_screen *screen, struct nv30_query_object *qo)
{
struct nv04_notify *query = screen->query->data;
struct nouveau_bo *notify = screen->notify;
volatile void *ntfy = NULL;
if (qo && qo->hw)
ntfy = (char *)notify->map + query->offset + qo->hw->start;
return ntfy;
}
static void
nv30_query_object_del(struct nv30_screen *screen, struct nv30_query_object **po)
{
struct nv30_query_object *qo = *po; *po = NULL;
if (qo) {
volatile uint32_t *ntfy = nv30_ntfy(screen, qo);
while (ntfy[3] & 0xff000000) {
}
nouveau_heap_free(&qo->hw);
LIST_DEL(&qo->list);
FREE(qo);
}
}
static struct nv30_query_object *
nv30_query_object_new(struct nv30_screen *screen)
{
struct nv30_query_object *oq, *qo = CALLOC_STRUCT(nv30_query_object);
volatile uint32_t *ntfy;
if (!qo)
return NULL;
/* allocate a new hw query object, if no hw objects left we need to
* spin waiting for one to become free
*/
while (nouveau_heap_alloc(screen->query_heap, 32, NULL, &qo->hw)) {
oq = LIST_FIRST_ENTRY(struct nv30_query_object, &screen->queries, list);
nv30_query_object_del(screen, &oq);
}
LIST_ADDTAIL(&qo->list, &screen->queries);
ntfy = nv30_ntfy(screen, qo);
ntfy[0] = 0x00000000;
ntfy[1] = 0x00000000;
ntfy[2] = 0x00000000;
ntfy[3] = 0x01000000;
return qo;
}
struct nv30_query {
struct nv30_query_object *qo[2];
unsigned type;
uint32_t report;
uint32_t enable;
uint64_t result;
};
static INLINE struct nv30_query *
nv30_query(struct pipe_query *pipe)
{
return (struct nv30_query *)pipe;
}
static struct pipe_query *
nv30_query_create(struct pipe_context *pipe, unsigned type)
{
struct nv30_query *q = CALLOC_STRUCT(nv30_query);
if (!q)
return NULL;
q->type = type;
switch (q->type) {
case PIPE_QUERY_TIMESTAMP:
case PIPE_QUERY_TIME_ELAPSED:
q->enable = 0x0000;
q->report = 1;
break;
case PIPE_QUERY_OCCLUSION_COUNTER:
q->enable = NV30_3D_QUERY_ENABLE;
q->report = 1;
break;
case NV30_QUERY_ZCULL_0:
case NV30_QUERY_ZCULL_1:
case NV30_QUERY_ZCULL_2:
case NV30_QUERY_ZCULL_3:
q->enable = 0x1804;
q->report = 2 + (q->type - NV30_QUERY_ZCULL_0);
break;
default:
FREE(q);
return NULL;
}
return (struct pipe_query *)q;
}
static void
nv30_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
{
FREE(pq);
}
static void
nv30_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_query *q = nv30_query(pq);
struct nouveau_pushbuf *push = nv30->base.pushbuf;
switch (q->type) {
case PIPE_QUERY_TIME_ELAPSED:
q->qo[0] = nv30_query_object_new(nv30->screen);
if (q->qo[0]) {
BEGIN_NV04(push, NV30_3D(QUERY_GET), 1);
PUSH_DATA (push, (q->report << 24) | q->qo[0]->hw->start);
}
break;
case PIPE_QUERY_TIMESTAMP:
return;
default:
BEGIN_NV04(push, NV30_3D(QUERY_RESET), 1);
PUSH_DATA (push, q->report);
break;
}
if (q->enable) {
BEGIN_NV04(push, SUBC_3D(q->enable), 1);
PUSH_DATA (push, 1);
}
}
static void
nv30_query_end(struct pipe_context *pipe, struct pipe_query *pq)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_screen *screen = nv30->screen;
struct nv30_query *q = nv30_query(pq);
struct nouveau_pushbuf *push = nv30->base.pushbuf;
q->qo[1] = nv30_query_object_new(screen);
if (q->qo[1]) {
BEGIN_NV04(push, NV30_3D(QUERY_GET), 1);
PUSH_DATA (push, (q->report << 24) | q->qo[1]->hw->start);
}
if (q->enable) {
BEGIN_NV04(push, SUBC_3D(q->enable), 1);
PUSH_DATA (push, 0);
}
PUSH_KICK (push);
}
static boolean
nv30_query_result(struct pipe_context *pipe, struct pipe_query *pq,
boolean wait, union pipe_query_result *result)
{
struct nv30_screen *screen = nv30_screen(pipe->screen);
struct nv30_query *q = nv30_query(pq);
volatile uint32_t *ntfy0 = nv30_ntfy(screen, q->qo[0]);
volatile uint32_t *ntfy1 = nv30_ntfy(screen, q->qo[1]);
uint64_t *res64 = &result->u64;
if (ntfy1) {
while (ntfy1[3] & 0xff000000) {
if (!wait)
return FALSE;
}
switch (q->type) {
case PIPE_QUERY_TIMESTAMP:
q->result = *(uint64_t *)&ntfy1[0];
break;
case PIPE_QUERY_TIME_ELAPSED:
q->result = *(uint64_t *)&ntfy1[0] - *(uint64_t *)&ntfy0[0];
break;
default:
q->result = ntfy1[2];
break;
}
nv30_query_object_del(screen, &q->qo[0]);
nv30_query_object_del(screen, &q->qo[1]);
}
*res64 = q->result;
return TRUE;
}
static void
nv40_query_render_condition(struct pipe_context *pipe,
struct pipe_query *pq,
boolean condition, uint mode)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_query *q = nv30_query(pq);
struct nouveau_pushbuf *push = nv30->base.pushbuf;
nv30->render_cond_query = pq;
nv30->render_cond_mode = mode;
nv30->render_cond_cond = condition;
if (!pq) {
BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
PUSH_DATA (push, 0x01000000);
return;
}
if (mode == PIPE_RENDER_COND_WAIT ||
mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
BEGIN_NV04(push, SUBC_3D(0x0110), 1);
PUSH_DATA (push, 0);
}
BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
PUSH_DATA (push, 0x02000000 | q->qo[1]->hw->start);
}
void
nv30_query_init(struct pipe_context *pipe)
{
struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
pipe->create_query = nv30_query_create;
pipe->destroy_query = nv30_query_destroy;
pipe->begin_query = nv30_query_begin;
pipe->end_query = nv30_query_end;
pipe->get_query_result = nv30_query_result;
if (eng3d->oclass >= NV40_3D_CLASS)
pipe->render_condition = nv40_query_render_condition;
}