Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Platforms/Sdl/SdlOpenGLContext.cpp @ 2027:84ad648b86ac deep-learning

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
todo
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 20 Dec 2022 08:50:56 +0100
parents 184b0aeae1af
children 07964689cb0b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1899
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
1 /**
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
2 * Stone of Orthanc
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
7 *
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
8 * This program is free software: you can redistribute it and/or
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
9 * modify it under the terms of the GNU Lesser General Public License
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
10 * as published by the Free Software Foundation, either version 3 of
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
11 * the License, or (at your option) any later version.
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
12 *
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
13 * This program is distributed in the hope that it will be useful, but
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
16 * Lesser General Public License for more details.
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
17 *
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
18 * You should have received a copy of the GNU Lesser General Public
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
19 * License along with this program. If not, see
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
20 * <http://www.gnu.org/licenses/>.
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
21 **/
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
22
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
23 #include "SdlOpenGLContext.h"
1901
184b0aeae1af fix build of sdl
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1899
diff changeset
24 #include "../../StoneException.h"
1899
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
25
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
26 #if ORTHANC_ENABLE_SDL == 1
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
27
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
28 #if !defined(ORTHANC_ENABLE_GLEW)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
29 # error Macro ORTHANC_ENABLE_GLEW must be defined
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
30 #endif
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
31
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
32 #if ORTHANC_ENABLE_GLEW == 1
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
33 # include <GL/glew.h>
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
34 #endif
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
35
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
36 #include <Logging.h>
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
37 #include <OrthancException.h>
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
38
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
39 #include <boost/thread/mutex.hpp>
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
40
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
41 namespace OrthancStone
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
42 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
43 SdlOpenGLContext::SdlOpenGLContext(const char* title,
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
44 unsigned int width,
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
45 unsigned int height,
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
46 bool allowDpiScaling)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
47 : window_(title, width, height, true /* enable OpenGL */, allowDpiScaling)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
48 , context_(NULL)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
49 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
50 context_ = SDL_GL_CreateContext(window_.GetObject());
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
51
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
52 if (context_ == NULL)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
53 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
54 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
55 "Cannot initialize OpenGL");
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
56 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
57
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
58 #if ORTHANC_ENABLE_GLEW == 1
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
59 // The initialization function of glew (i.e. "glewInit()") can
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
60 // only be called once an OpenGL is setup.
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
61 // https://stackoverflow.com/a/45033669/881731
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
62 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
63 static boost::mutex mutex_;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
64 static bool isGlewInitialized_ = false;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
65
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
66 boost::mutex::scoped_lock lock(mutex_);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
67
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
68 if (!isGlewInitialized_)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
69 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
70 LOG(INFO) << "Initializing glew";
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
71
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
72 GLenum err = glewInit();
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
73 if (GLEW_OK != err)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
74 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
75 LOG(ERROR) << glewGetErrorString(err);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
76 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
77 "Cannot initialize glew");
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
78 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
79
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
80 isGlewInitialized_ = true;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
81 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
82 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
83 #endif
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
84 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
85
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
86
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
87 SdlOpenGLContext::~SdlOpenGLContext()
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
88 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
89 SDL_GL_DeleteContext(context_);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
90 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
91
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
92 void SdlOpenGLContext::MakeCurrent()
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
93 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
94 if (SDL_GL_MakeCurrent(window_.GetObject(), context_) != 0)
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
95 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
96 const char* errText = SDL_GetError();
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
97 std::stringstream ss;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
98 ss << "Cannot set current OpenGL context. SDL error text: " << errText;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
99 std::string errStr = ss.str();
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, errStr.c_str());
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
101 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
102
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
103 // This makes our buffer swap synchronized with the monitor's vertical refresh
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
104 SDL_GL_SetSwapInterval(1);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
105 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
106
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
107
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
108 void SdlOpenGLContext::SwapBuffer()
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
109 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
110 // Swap our buffer to display the current contents of buffer on screen
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
111 SDL_GL_SwapWindow(window_.GetObject());
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
112 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
113
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
114
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
115 unsigned int SdlOpenGLContext::GetCanvasWidth() const
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
116 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
117 int w = 0;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
118 SDL_GL_GetDrawableSize(window_.GetObject(), &w, NULL);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
119 return static_cast<unsigned int>(w);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
120 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
121
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
122
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
123 unsigned int SdlOpenGLContext::GetCanvasHeight() const
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
124 {
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
125 int h = 0;
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
126 SDL_GL_GetDrawableSize(window_.GetObject(), NULL, &h);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
127 return static_cast<unsigned int>(h);
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
128 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
129 }
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
130
917500c46fe0 moved the Platform folder from the Applications folder to the Stone library itself
Alain Mazy <am@osimis.io>
parents:
diff changeset
131 #endif