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annotate Framework/OpenGL/WebAssemblyOpenGLContext.h @ 1045:6a9300ecfa13

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tests for context loss are now restricted to WebAssembly
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 09 Oct 2019 17:17:56 +0200
parents a7351ad54960
children 7fad86d62135
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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22 #pragma once
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24 #if !defined(ORTHANC_ENABLE_WASM)
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25 # error Macro ORTHANC_ENABLE_WASM must be defined
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26 #endif
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27
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28 #if ORTHANC_ENABLE_WASM != 1
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29 # error This file can only be used if targeting WebAssembly
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30 #endif
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31
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32 #if !defined(ORTHANC_ENABLE_OPENGL)
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33 # error The macro ORTHANC_ENABLE_OPENGL must be defined
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34 #endif
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35
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36 #if ORTHANC_ENABLE_OPENGL != 1
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37 # error Support for OpenGL is disabled
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38 #endif
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40 #include "IOpenGLContext.h"
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41 #include "IOpenGLContextLossMonitor.h"
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43 #include <Core/Enumerations.h>
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45 #include <boost/shared_ptr.hpp>
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47 namespace OrthancStone
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48 {
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49 namespace OpenGL
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50 {
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51 class WebAssemblyOpenGLContext :
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52 public OpenGL::IOpenGLContext,
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53 public OpenGL::IOpenGLContextLossMonitor
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54 {
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55 private:
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56 class PImpl;
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57 boost::shared_ptr<PImpl> pimpl_;
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58
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59 public:
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60 WebAssemblyOpenGLContext(const std::string& canvas);
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61
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62 virtual bool IsContextLost() ORTHANC_OVERRIDE;
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64 virtual void SetLostContext() ORTHANC_OVERRIDE;
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65 virtual void RestoreLostContext() ORTHANC_OVERRIDE;
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67 virtual void MakeCurrent() ORTHANC_OVERRIDE;
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69 virtual void SwapBuffer() ORTHANC_OVERRIDE;
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70
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71 virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE;
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73 virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE;
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74
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75 virtual void* DebugGetInternalContext() const ORTHANC_OVERRIDE;
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77 /**
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78 Returns true if the underlying context has been successfully recreated
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79 */
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80 //bool TryRecreate();
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81
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82 void UpdateSize();
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83
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84 const std::string& GetCanvasIdentifier() const;
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85 };
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86 }
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87 }