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1 /*
2  * Mesa 3-D graphics library
3  *
4  * Copyright (C) 2013 LunarG, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  *
24  * Authors:
25  *    Chia-I Wu <olv@lunarg.com>
26  */
27 
28 #include "util/u_blitter.h"
29 
30 #include "ilo_context.h"
31 #include "ilo_blitter.h"
32 
33 static bool
ilo_blitter_pipe_create(struct ilo_blitter * blitter)34 ilo_blitter_pipe_create(struct ilo_blitter *blitter)
35 {
36    if (blitter->pipe_blitter)
37       return true;
38 
39    blitter->pipe_blitter = util_blitter_create(&blitter->ilo->base);
40 
41    return (blitter->pipe_blitter != NULL);
42 }
43 
44 /**
45  * Create a blitter.  Because the use of util_blitter, this must be called
46  * after the context is initialized.
47  */
48 struct ilo_blitter *
ilo_blitter_create(struct ilo_context * ilo)49 ilo_blitter_create(struct ilo_context *ilo)
50 {
51    struct ilo_blitter *blitter;
52 
53    blitter = CALLOC_STRUCT(ilo_blitter);
54    if (!blitter)
55       return NULL;
56 
57    blitter->ilo = ilo;
58 
59    if (!ilo_blitter_pipe_create(blitter)) {
60       FREE(blitter);
61       return NULL;
62    }
63 
64    return blitter;
65 }
66 
67 void
ilo_blitter_destroy(struct ilo_blitter * blitter)68 ilo_blitter_destroy(struct ilo_blitter *blitter)
69 {
70    if (blitter->pipe_blitter)
71       util_blitter_destroy(blitter->pipe_blitter);
72 
73    FREE(blitter);
74 }
75