Mercurial > hg > orthanc-stone
annotate Framework/Viewport/SdlViewport.cpp @ 1211:d10d2acb8a02 broker
compositors do not keep a reference to the scene anymore
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
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| date | Wed, 04 Dec 2019 16:47:21 +0100 |
| parents | 6009c59d8676 |
| children | 86a8266b8888 |
| rev | line source |
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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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21 #include "SdlViewport.h" |
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22 |
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23 #include <Core/OrthancException.h> |
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24 |
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25 namespace OrthancStone |
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26 { |
| 1205 | 27 SdlViewport::SdlViewport() |
| 28 { | |
| 29 refreshEvent_ = SDL_RegisterEvents(1); | |
| 30 | |
| 31 if (refreshEvent_ == static_cast<uint32_t>(-1)) | |
| 32 { | |
| 33 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 | |
| 38 void SdlViewport::SendRefreshEvent() | |
| 39 { | |
| 40 SDL_Event event; | |
| 41 SDL_memset(&event, 0, sizeof(event)); | |
| 42 event.type = refreshEvent_; | |
| 43 SDL_PushEvent(&event); // This function is thread-safe, and can be called from other threads safely. | |
| 44 } | |
| 45 | |
| 46 | |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
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47 SdlOpenGLViewport::SdlOpenGLViewport(const char* title, |
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48 unsigned int width, |
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88bf49aebc13
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parents:
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49 unsigned int height, |
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88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
parents:
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50 bool allowDpiScaling) : |
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947
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Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
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909
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51 context_(title, width, height, allowDpiScaling) |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
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parents:
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52 { |
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53 compositor_.reset(new OpenGLCompositor(context_)); |
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88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
parents:
893
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54 } |
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88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
parents:
893
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55 |
| 1205 | 56 void SdlOpenGLViewport::Invalidate() |
| 57 { | |
| 58 SendRefreshEvent(); | |
| 59 } | |
| 60 | |
| 61 void SdlOpenGLViewport::Paint() | |
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62 { |
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63 boost::mutex::scoped_lock lock(mutex_); |
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64 compositor_->Refresh(GetScene()); |
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65 } |
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66 |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
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parents:
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67 |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
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68 SdlCairoViewport::SdlCairoViewport(const char* title, |
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69 unsigned int width, |
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88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
parents:
893
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70 unsigned int height, |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
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parents:
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71 bool allowDpiScaling) : |
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parents:
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72 window_(title, width, height, false /* enable OpenGL */, allowDpiScaling), |
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73 compositor_(width, height), |
| 1205 | 74 sdlSurface_(NULL) |
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75 { |
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parents:
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76 } |
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88bf49aebc13
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parents:
893
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77 |
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78 SdlCairoViewport::~SdlCairoViewport() |
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79 { |
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80 if (sdlSurface_) |
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88bf49aebc13
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parents:
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81 { |
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82 SDL_FreeSurface(sdlSurface_); |
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parents:
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83 } |
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84 } |
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Benjamin Golinvaux <bgo@osimis.io>
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85 |
| 1205 | 86 void SdlCairoViewport::InvalidateInternal() // Assumes that the mutex is locked |
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parents:
893
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87 { |
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88 compositor_.Refresh(GetScene()); |
| 1205 | 89 CreateSdlSurfaceFromCompositor(); |
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introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
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parents:
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90 } |
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88bf49aebc13
introduced ICompositor and allow SdlViewport to work with a CairoCompositor (to run on machines without OpenGL drivers)
Alain Mazy <alain@mazy.be>
parents:
893
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91 |
| 1205 | 92 void SdlCairoViewport::Paint() |
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93 { |
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94 boost::mutex::scoped_lock lock(mutex_); |
| 1205 | 95 |
| 96 if (sdlSurface_ != NULL) | |
| 97 { | |
| 98 window_.Render(sdlSurface_); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 void SdlCairoViewport::Invalidate() | |
| 103 { | |
| 104 { | |
| 105 boost::mutex::scoped_lock lock(mutex_); | |
| 106 InvalidateInternal(); | |
| 107 } | |
| 108 | |
| 109 SendRefreshEvent(); | |
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110 } |
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111 |
| 909 | 112 void SdlCairoViewport::UpdateSize(unsigned int width, |
| 113 unsigned int height) | |
| 114 { | |
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115 boost::mutex::scoped_lock lock(mutex_); |
| 909 | 116 compositor_.UpdateSize(width, height); |
| 1205 | 117 InvalidateInternal(); |
| 909 | 118 } |
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119 |
| 1205 | 120 void SdlCairoViewport::CreateSdlSurfaceFromCompositor() // Assumes that the mutex is locked |
| 909 | 121 { |
| 122 static const uint32_t rmask = 0x00ff0000; | |
| 123 static const uint32_t gmask = 0x0000ff00; | |
| 124 static const uint32_t bmask = 0x000000ff; | |
| 125 | |
| 1205 | 126 const unsigned int width = compositor_.GetCanvas().GetWidth(); |
| 127 const unsigned int height = compositor_.GetCanvas().GetHeight(); | |
| 128 | |
| 129 if (sdlSurface_ != NULL) | |
| 130 { | |
| 131 if (sdlSurface_->pixels == compositor_.GetCanvas().GetBuffer() && | |
| 132 sdlSurface_->w == static_cast<int>(width) && | |
| 133 sdlSurface_->h == static_cast<int>(height) && | |
| 134 sdlSurface_->pitch == static_cast<int>(compositor_.GetCanvas().GetPitch())) | |
| 135 { | |
| 136 // The image from the compositor has not changed, no need to update the surface | |
| 137 return; | |
| 138 } | |
| 139 else | |
| 140 { | |
| 141 SDL_FreeSurface(sdlSurface_); | |
| 142 } | |
| 143 } | |
| 144 | |
| 909 | 145 sdlSurface_ = SDL_CreateRGBSurfaceFrom((void*)(compositor_.GetCanvas().GetBuffer()), width, height, 32, |
| 146 compositor_.GetCanvas().GetPitch(), rmask, gmask, bmask, 0); | |
| 147 if (!sdlSurface_) | |
| 148 { | |
| 149 LOG(ERROR) << "Cannot create a SDL surface from a Cairo surface"; | |
| 150 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 151 } | |
| 152 } | |
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153 } |