1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 *
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include "radeonsi_pipe.h"
24#include "sid.h"
25
26static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
27{
28	struct r600_context *rctx = (struct r600_context *)ctx;
29
30	return (struct pipe_query*)r600_context_query_create(rctx, query_type);
31}
32
33static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
34{
35	struct r600_context *rctx = (struct r600_context *)ctx;
36
37	r600_context_query_destroy(rctx, (struct r600_query *)query);
38}
39
40static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
41{
42	struct r600_context *rctx = (struct r600_context *)ctx;
43	struct r600_query *rquery = (struct r600_query *)query;
44
45	memset(&rquery->result, 0, sizeof(rquery->result));
46	rquery->results_start = rquery->results_end;
47	r600_query_begin(rctx, (struct r600_query *)query);
48	LIST_ADDTAIL(&rquery->list, &rctx->active_query_list);
49}
50
51static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
52{
53	struct r600_context *rctx = (struct r600_context *)ctx;
54	struct r600_query *rquery = (struct r600_query *)query;
55
56	r600_query_end(rctx, rquery);
57	LIST_DELINIT(&rquery->list);
58}
59
60static boolean r600_get_query_result(struct pipe_context *ctx,
61					struct pipe_query *query,
62					boolean wait, union pipe_query_result *vresult)
63{
64	struct r600_context *rctx = (struct r600_context *)ctx;
65	struct r600_query *rquery = (struct r600_query *)query;
66
67	return r600_context_query_result(rctx, rquery, wait, vresult);
68}
69
70static void r600_render_condition(struct pipe_context *ctx,
71				  struct pipe_query *query,
72				  uint mode)
73{
74	struct r600_context *rctx = (struct r600_context *)ctx;
75	struct r600_query *rquery = (struct r600_query *)query;
76	int wait_flag = 0;
77
78	/* If we already have nonzero result, render unconditionally */
79	if (query != NULL && rquery->result.u64 != 0) {
80		if (rctx->current_render_cond) {
81			r600_render_condition(ctx, NULL, 0);
82		}
83		return;
84	}
85
86	rctx->current_render_cond = query;
87	rctx->current_render_cond_mode = mode;
88
89	if (query == NULL) {
90		if (rctx->predicate_drawing) {
91			rctx->predicate_drawing = false;
92			r600_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, 1);
93		}
94		return;
95	}
96
97	if (mode == PIPE_RENDER_COND_WAIT ||
98	    mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
99		wait_flag = 1;
100	}
101
102	rctx->predicate_drawing = true;
103
104	switch (rquery->type) {
105	case PIPE_QUERY_OCCLUSION_COUNTER:
106	case PIPE_QUERY_OCCLUSION_PREDICATE:
107		r600_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag);
108		break;
109	case PIPE_QUERY_PRIMITIVES_EMITTED:
110	case PIPE_QUERY_PRIMITIVES_GENERATED:
111	case PIPE_QUERY_SO_STATISTICS:
112	case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
113		r600_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag);
114		break;
115	default:
116		assert(0);
117	}
118}
119
120void r600_init_query_functions(struct r600_context *rctx)
121{
122	rctx->context.create_query = r600_create_query;
123	rctx->context.destroy_query = r600_destroy_query;
124	rctx->context.begin_query = r600_begin_query;
125	rctx->context.end_query = r600_end_query;
126	rctx->context.get_query_result = r600_get_query_result;
127
128	if (rctx->screen->info.r600_num_backends > 0)
129	    rctx->context.render_condition = r600_render_condition;
130}
131