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Renderer.cpp
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1 /*
2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of NVIDIA CORPORATION nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "Error.h"
30 #include "Renderer.h"
31 #include "StreamConsumer.h"
32 #include "Window.h"
33 #include "InitOnce.h"
34
35 namespace ArgusSamples
36 {
37
38 Renderer::Renderer()
39 : m_initialized(false)
40 {
41 }
42
43 Renderer::~Renderer()
44 {
45 if (!shutdown())
46 REPORT_ERROR("Failed to shutdown renderer");
47 }
48
49 Renderer &Renderer::getInstance()
50 {
51 static InitOnce initOnce;
52 static Renderer instance;
53
54 if (initOnce.begin())
55 {
56 if (instance.initialize())
57 {
58 initOnce.complete();
59 }
60 else
61 {
62 initOnce.failed();
63 REPORT_ERROR("Initalization failed");
64 }
65 }
66
67 return instance;
68 }
69
70 bool Renderer::initialize()
71 {
72 if (m_initialized)
73 return true;
74
75 Window &window = Window::getInstance();
76
77 PROPAGATE_ERROR(m_display.initialize(window.getEGLNativeDisplay()));
78
79 m_initialized = true;
80
81 return true;
82 }
83
84 bool Renderer::shutdown()
85 {
86 if (!m_initialized)
87 return true;
88
89 PROPAGATE_ERROR_CONTINUE(m_composer.shutdown());
90 PROPAGATE_ERROR_CONTINUE(m_display.cleanup());
91
92 m_initialized = false;
93
94 return true;
95 }
96
97 bool Renderer::bindStream(EGLStreamKHR eglStream)
98 {
99 PROPAGATE_ERROR(m_composer.bindStream(eglStream));
100 return true;
101 }
102
103 bool Renderer::unbindStream(EGLStreamKHR eglStream)
104 {
105 PROPAGATE_ERROR(m_composer.unbindStream(eglStream));
106 return true;
107 }
108
109 bool Renderer::setStreamActive(EGLStreamKHR eglStream, bool active)
110 {
111 PROPAGATE_ERROR(m_composer.setStreamActive(eglStream, active));
112 return true;
113 }
114
115 bool Renderer::setStreamAspectRatio(EGLStreamKHR eglStream, float aspectRatio)
116 {
117 PROPAGATE_ERROR(m_composer.setStreamAspectRatio(eglStream, aspectRatio));
118 return true;
119 }
120
121 bool Renderer::reCompose()
122 {
123 PROPAGATE_ERROR(m_composer.reCompose());
124 return true;
125 }
126
127 }; // namespace ArgusSamples