1/**************************************************************************
2 *
3 * Copyright 2011 The Chromium OS authors.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL GOOGLE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/* Fake occlusion queries which return 0, it's better than crashing */
29
30#include "pipe/p_compiler.h"
31
32#include "util/u_memory.h"
33
34#include "i915_context.h"
35#include "i915_query.h"
36
37struct i915_query
38{
39   unsigned query;
40};
41
42static struct pipe_query *i915_create_query(struct pipe_context *ctx,
43                                            unsigned query_type)
44{
45   struct i915_query *query = CALLOC_STRUCT( i915_query );
46
47   return (struct pipe_query *)query;
48}
49
50static void i915_destroy_query(struct pipe_context *ctx,
51                               struct pipe_query *query)
52{
53   FREE(query);
54}
55
56static void i915_begin_query(struct pipe_context *ctx,
57                             struct pipe_query *query)
58{
59}
60
61static void i915_end_query(struct pipe_context *ctx, struct pipe_query *query)
62{
63}
64
65static boolean i915_get_query_result(struct pipe_context *ctx,
66                                     struct pipe_query *query,
67                                     boolean wait,
68                                     union pipe_query_result *vresult)
69{
70   uint64_t *result = (uint64_t*)vresult;
71
72   /* 2* viewport Max */
73   *result = 512*1024*1024;
74   return TRUE;
75}
76
77void
78i915_init_query_functions(struct i915_context *i915)
79{
80   i915->base.create_query = i915_create_query;
81   i915->base.destroy_query = i915_destroy_query;
82   i915->base.begin_query = i915_begin_query;
83   i915->base.end_query = i915_end_query;
84   i915->base.get_query_result = i915_get_query_result;
85}
86
87