2 * Copyright 2008 Ben Skeggs
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "pipe/p_context.h"
24 #include "util/u_inlines.h"
26 #include "nv50_context.h"
29 struct nouveau_bo *bo;
35 static INLINE struct nv50_query *
36 nv50_query(struct pipe_query *pipe)
38 return (struct nv50_query *)pipe;
41 static struct pipe_query *
42 nv50_query_create(struct pipe_context *pipe, unsigned type)
44 struct nouveau_device *dev = nouveau_screen(pipe->screen)->device;
45 struct nv50_query *q = CALLOC_STRUCT(nv50_query);
48 assert (q->type == PIPE_QUERY_OCCLUSION_COUNTER);
51 ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 256,
58 return (struct pipe_query *)q;
62 nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq)
64 struct nv50_query *q = nv50_query(pq);
67 nouveau_bo_ref(NULL, &q->bo);
73 nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq)
75 struct nv50_context *nv50 = nv50_context(pipe);
76 struct nouveau_channel *chan = nv50->screen->base.channel;
77 struct nouveau_grobj *tesla = nv50->screen->tesla;
78 struct nv50_query *q = nv50_query(pq);
80 BEGIN_RING(chan, tesla, NV50TCL_SAMPLECNT_RESET, 1);
82 BEGIN_RING(chan, tesla, NV50TCL_SAMPLECNT_ENABLE, 1);
89 nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq)
91 struct nv50_context *nv50 = nv50_context(pipe);
92 struct nouveau_channel *chan = nv50->screen->base.channel;
93 struct nouveau_grobj *tesla = nv50->screen->tesla;
94 struct nv50_query *q = nv50_query(pq);
96 MARK_RING (chan, 5, 2); /* flush on lack of space or relocs */
97 BEGIN_RING(chan, tesla, NV50TCL_QUERY_ADDRESS_HIGH, 4);
98 OUT_RELOCh(chan, q->bo, 0, NOUVEAU_BO_GART | NOUVEAU_BO_WR);
99 OUT_RELOCl(chan, q->bo, 0, NOUVEAU_BO_GART | NOUVEAU_BO_WR);
100 OUT_RING (chan, 0x00000000);
101 OUT_RING (chan, 0x0100f002);
103 BEGIN_RING(chan, tesla, NV50TCL_SAMPLECNT_ENABLE, 1);
108 nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq,
109 boolean wait, uint64_t *result)
111 struct nv50_query *q = nv50_query(pq);
115 ret = nouveau_bo_map(q->bo, NOUVEAU_BO_RD |
116 (wait ? 0 : NOUVEAU_BO_NOWAIT));
119 q->result = ((uint32_t *)q->bo->map)[1];
121 nouveau_bo_unmap(q->bo);
129 nv50_render_condition(struct pipe_context *pipe,
130 struct pipe_query *pq, uint mode)
132 struct nv50_context *nv50 = nv50_context(pipe);
133 struct nouveau_channel *chan = nv50->screen->base.channel;
134 struct nouveau_grobj *tesla = nv50->screen->tesla;
135 struct nv50_query *q;
138 BEGIN_RING(chan, tesla, NV50TCL_COND_MODE, 1);
139 OUT_RING (chan, NV50TCL_COND_MODE_ALWAYS);
144 if (mode == PIPE_RENDER_COND_WAIT ||
145 mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
146 /* XXX: big fence, FIFO semaphore might be better */
147 BEGIN_RING(chan, tesla, 0x0110, 1);
151 BEGIN_RING(chan, tesla, NV50TCL_COND_ADDRESS_HIGH, 3);
152 OUT_RELOCh(chan, q->bo, 0, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
153 OUT_RELOCl(chan, q->bo, 0, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
154 OUT_RING (chan, NV50TCL_COND_MODE_RES);
158 nv50_init_query_functions(struct nv50_context *nv50)
160 nv50->pipe.create_query = nv50_query_create;
161 nv50->pipe.destroy_query = nv50_query_destroy;
162 nv50->pipe.begin_query = nv50_query_begin;
163 nv50->pipe.end_query = nv50_query_end;
164 nv50->pipe.get_query_result = nv50_query_result;
165 nv50->pipe.render_condition = nv50_render_condition;