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/*
* Copyright (C) 2007 Ben Skeggs.
*
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
/* GL_ARB_occlusion_query support for NV20/30/40 */
#include "mtypes.h"
#include "nouveau_fifo.h"
#include "nouveau_msg.h"
#include "nouveau_object.h"
#include "nouveau_reg.h"
#include "nouveau_sync.h"
#include "nouveau_query.h"
static struct gl_query_object *
nouveauNewQueryObject(GLcontext *ctx, GLuint id)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_query_object *nq;
int i;
for (i=0; i<nmesa->query_object_max; i++)
if (nmesa->query_alloc[i] == GL_FALSE)
break;
if (i==nmesa->query_object_max)
return NULL;
nq = CALLOC_STRUCT(nouveau_query_object_t);
if (nq) {
nq->notifier_id = i;
nq->mesa.Id = id;
nq->mesa.Result = 0;
nq->mesa.Active = GL_FALSE;
nq->mesa.Ready = GL_TRUE;
}
return (struct gl_query_object *)nq;
}
static void
nouveauBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_query_object *nq = (nouveau_query_object *)q;
nouveau_notifier_reset(nmesa->queryNotifier, nq->notifier_id);
switch (nmesa->screen->card->type) {
case NV_20:
BEGIN_RING_CACHE(NvSub3D, 0x17c8, 1);
OUT_RING_CACHE (1);
BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
OUT_RING_CACHE (1);
break;
case NV_30:
case NV_40:
case NV_44:
/* I don't think this is OCC_QUERY enable, but it *is* needed to make
* the SET_OBJECT7 notifier block work with STORE_RESULT.
*
* Also, this appears to reset the pixel pass counter */
BEGIN_RING_SIZE(NvSub3D,
NV30_TCL_PRIMITIVE_3D_OCC_QUERY_OR_COLOR_BUFF_ENABLE,
1);
OUT_RING (1);
/* Probably OCC_QUERY_ENABLE */
BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
OUT_RING_CACHE (1);
break;
default:
WARN_ONCE("no support for this card\n");
break;
}
}
static void
nouveauUpdateQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_query_object *nq = (nouveau_query_object *)q;
int status;
status = nouveau_notifier_status(nmesa->queryNotifier,
nq->notifier_id);
q->Ready = (status == NV_NOTIFY_STATE_STATUS_COMPLETED);
if (q->Ready)
q->Result = nouveau_notifier_return_val(nmesa->queryNotifier,
nq->notifier_id);
}
static void
nouveauWaitQueryResult(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_query_object *nq = (nouveau_query_object *)q;
nouveau_notifier_wait_status(nmesa->queryNotifier, nq->notifier_id,
NV_NOTIFY_STATE_STATUS_COMPLETED, 0);
nouveauUpdateQuery(ctx, target, q);
}
static void
nouveauEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
{
nouveau_query_object *nq = (nouveau_query_object *)q;
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
switch (nmesa->screen->card->type) {
case NV_20:
BEGIN_RING_SIZE(NvSub3D, 0x17d0, 1);
OUT_RING (0x01000000 | nq->notifier_id*32);
break;
case NV_30:
case NV_40:
case NV_44:
BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_STORE_RESULT, 1);
OUT_RING (0x01000000 | nq->notifier_id*32);
break;
default:
WARN_ONCE("no support for this card\n");
break;
}
FIRE_RING();
/*XXX: wait for query to complete, mesa doesn't give the driver
* an interface to query the status of a query object so
* this has to stall the channel.
*/
nouveauWaitQueryResult(ctx, target, q);
BEGIN_RING_CACHE(NvSub3D, 0x17cc, 1);
OUT_RING_CACHE (0);
}
void
nouveauQueryInitFuncs(GLcontext *ctx)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
if (nmesa->screen->card->type < NV_20)
return;
nmesa->query_object_max = (0x4000 / 32);
nmesa->queryNotifier =
nouveau_notifier_new(ctx, NvQueryNotify,
nmesa->query_object_max);
nmesa->query_alloc = calloc(nmesa->query_object_max, sizeof(GLboolean));
switch (nmesa->screen->card->type) {
case NV_20:
BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SET_OBJECT8, 1);
OUT_RING_CACHE (NvQueryNotify);
break;
case NV_30:
case NV_40:
case NV_44:
BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_SET_OBJECT7, 1);
OUT_RING_CACHE (NvQueryNotify);
break;
default:
break;
};
ctx->Driver.NewQueryObject = nouveauNewQueryObject;
ctx->Driver.BeginQuery = nouveauBeginQuery;
ctx->Driver.EndQuery = nouveauEndQuery;
#if 0
ctx->Driver.UpdateQuery = nouveauUpdateQuery;
ctx->Driver.WaitQueryResult = nouveauWaitQueryResult;
#endif
}
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