Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/OpenGL/WebAssemblyOpenGLContext.cpp @ 1575:e4a52cbbdd70

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working on print
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 23 Sep 2020 17:25:25 +0200
parents 85e117739eca
children 92fca2b3ba3d
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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) 2017-2020 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
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22 #include "WebAssemblyOpenGLContext.h"
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23
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24 #include "../StoneException.h"
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25
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26 #include <OrthancException.h>
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28 #include <emscripten/html5.h>
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29 #include <emscripten/em_asm.h>
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30
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31 #include <boost/math/special_functions/round.hpp>
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32
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33 namespace OrthancStone
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34 {
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35 namespace OpenGL
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36 {
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37 class WebAssemblyOpenGLContext::PImpl
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38 {
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39 private:
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40 std::string canvasSelector_;
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41 EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context_;
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42 unsigned int canvasWidth_;
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43 unsigned int canvasHeight_;
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44 bool isContextLost_;
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46 public:
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47 explicit PImpl(const std::string& canvasSelector) :
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48 canvasSelector_(canvasSelector),
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49 isContextLost_(false)
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50 {
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51 // Context configuration
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52 EmscriptenWebGLContextAttributes attr;
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53 emscripten_webgl_init_context_attributes(&attr);
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54
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55 #if 0
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56 // The next line might be necessary to print on Firefox 71
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57 // using WebGL. Sometimes, if set to "false" (the default
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58 // value), the canvas was rendered as a fully white or black
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59 // area. UNCONFIRMED, so disabled.
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60 attr.preserveDrawingBuffer = true;
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61 #endif
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62
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63 context_ = emscripten_webgl_create_context(canvasSelector.c_str(), &attr);
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64 if (context_ == 0)
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65 {
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66 std::string message("Cannot create an OpenGL context for the element with the following CSS selector: \"");
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67 message += canvasSelector;
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68 message += "\" Please make sure the -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1 flag has been passed to Emscripten when building.";
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69 LOG(ERROR) << message;
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70 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, message);
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71 }
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72
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73 UpdateSize();
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74 }
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75
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76 void* DebugGetInternalContext() const
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77 {
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78 return reinterpret_cast<void*>(context_);
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79 }
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80
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81 bool IsContextLost()
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82 {
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83 //LOG(TRACE) << "IsContextLost() for context " << std::hex << context_ << std::dec;
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84 bool apiFlag = (emscripten_is_webgl_context_lost(context_) != 0);
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85 isContextLost_ = apiFlag;
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86 return isContextLost_;
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87 }
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88
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89 void SetLostContext()
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90 {
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91 isContextLost_ = true;
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92 }
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93
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94 ~PImpl()
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95 {
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96 try
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97 {
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98 EMSCRIPTEN_RESULT result = emscripten_webgl_destroy_context(context_);
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99 if (result != EMSCRIPTEN_RESULT_SUCCESS)
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100 {
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101 LOG(ERROR) << "emscripten_webgl_destroy_context returned code " << result;
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102 }
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103 }
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104 catch (const Orthanc::OrthancException& e)
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105 {
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106 if (e.HasDetails())
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107 {
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108 LOG(ERROR) << "OrthancException in WebAssemblyOpenGLContext::~PImpl: " << e.What() << " Details: " << e.GetDetails();
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109 }
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110 else
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111 {
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112 LOG(ERROR) << "OrthancException in WebAssemblyOpenGLContext::~PImpl: " << e.What();
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113 }
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114 }
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115 catch (const std::exception& e)
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116 {
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117 LOG(ERROR) << "std::exception in WebAssemblyOpenGLContext::~PImpl: " << e.what();
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118 }
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119 catch (...)
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120 {
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121 LOG(ERROR) << "Unknown exception in WebAssemblyOpenGLContext::~PImpl";
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122 }
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123 }
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124
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125 const std::string& GetCanvasSelector() const
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126 {
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127 return canvasSelector_;
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128 }
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129
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130 void MakeCurrent()
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131 {
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132 if (IsContextLost())
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133 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
134 LOG(ERROR) << "MakeCurrent() called on lost context " << context_;
1050
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parents: 997
diff changeset
135 throw StoneException(ErrorCode_WebGLContextLost);
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
136 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
137
942
685c9a2d115f Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
Benjamin Golinvaux <bgo@osimis.io>
parents: 894
diff changeset
138 if (emscripten_is_webgl_context_lost(context_))
685c9a2d115f Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
Benjamin Golinvaux <bgo@osimis.io>
parents: 894
diff changeset
139 {
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
140 LOG(ERROR) << "OpenGL context has been lost for canvas selector: " << canvasSelector_;
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
141 SetLostContext();
1050
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parents: 997
diff changeset
142 throw StoneException(ErrorCode_WebGLContextLost);
942
685c9a2d115f Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
Benjamin Golinvaux <bgo@osimis.io>
parents: 894
diff changeset
143 }
685c9a2d115f Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
Benjamin Golinvaux <bgo@osimis.io>
parents: 894
diff changeset
144
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
145 if (emscripten_webgl_make_context_current(context_) != EMSCRIPTEN_RESULT_SUCCESS)
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
147 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 "Cannot set the OpenGL context");
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
149 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
152 void SwapBuffer()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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153 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
154 /**
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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155 * "Rendered WebGL content is implicitly presented (displayed to
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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156 * the user) on the canvas when the event handler that renders with
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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157 * WebGL returns back to the browser event loop."
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 * https://emscripten.org/docs/api_reference/html5.h.html#webgl-context
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 *
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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160 * Could call "emscripten_webgl_commit_frame()" if
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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161 * "explicitSwapControl" option were set to "true".
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162 **/
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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163 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165 unsigned int GetCanvasWidth() const
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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167 return canvasWidth_;
97926984d5d0 WebAssembly sample using Scene2D
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parents:
diff changeset
168 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 unsigned int GetCanvasHeight() const
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 return canvasHeight_;
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
175 void UpdateSize()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
177 double w, h;
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
178 emscripten_get_element_css_size(canvasSelector_.c_str(), &w, &h);
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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180 /**
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 * Emscripten has the function emscripten_get_element_css_size()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
182 * to query the width and height of a named HTML element. I'm
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 * calling this first to get the initial size of the canvas DOM
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 * element, and then call emscripten_set_canvas_size() to
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 * initialize the framebuffer size of the canvas to the same
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 * size as its DOM element.
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 * https://floooh.github.io/2017/02/22/emsc-html.html
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 **/
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 if (w <= 0 ||
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 h <= 0)
97926984d5d0 WebAssembly sample using Scene2D
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diff changeset
192 {
97926984d5d0 WebAssembly sample using Scene2D
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parents:
diff changeset
193 canvasWidth_ = 0;
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 canvasHeight_ = 0;
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196 else
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
197 {
97926984d5d0 WebAssembly sample using Scene2D
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parents:
diff changeset
198 canvasWidth_ = static_cast<unsigned int>(boost::math::iround(w));
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 canvasHeight_ = static_cast<unsigned int>(boost::math::iround(h));
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 }
997
d6b83ee3a950 fix WebAssemblyOpenGLViewport::UpdateSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 961
diff changeset
201
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
202 emscripten_set_canvas_element_size(canvasSelector_.c_str(), canvasWidth_, canvasHeight_);
616
97926984d5d0 WebAssembly sample using Scene2D
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parents:
diff changeset
203 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 };
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
207 WebAssemblyOpenGLContext::WebAssemblyOpenGLContext(const std::string& canvasSelector) :
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
208 pimpl_(new PImpl(canvasSelector))
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211
956
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
212 bool WebAssemblyOpenGLContext::IsContextLost()
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
213 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
214 return pimpl_->IsContextLost();
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
215 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
216
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
217 void WebAssemblyOpenGLContext::SetLostContext()
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
218 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
219 pimpl_->SetLostContext();
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
220 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
221
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
222 void* WebAssemblyOpenGLContext::DebugGetInternalContext() const
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
223 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
224 return pimpl_->DebugGetInternalContext();
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
225 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
226
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227 void WebAssemblyOpenGLContext::MakeCurrent()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 pimpl_->MakeCurrent();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 void WebAssemblyOpenGLContext::SwapBuffer()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 pimpl_->SwapBuffer();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 unsigned int WebAssemblyOpenGLContext::GetCanvasWidth() const
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 return pimpl_->GetCanvasWidth();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 unsigned int WebAssemblyOpenGLContext::GetCanvasHeight() const
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248 return pimpl_->GetCanvasHeight();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250
1482
5c96bf3f1d32 IOpenGL::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1455
diff changeset
251 void WebAssemblyOpenGLContext::RefreshCanvasSize()
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253 assert(pimpl_.get() != NULL);
1483
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
254
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
255 try
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
256 {
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
257 pimpl_->UpdateSize();
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
258 }
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
259 catch (const StoneException& e)
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
260 {
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
261 // Ignore problems about the loss of the WebGL context (edge case)
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
262 if (e.GetErrorCode() == ErrorCode_WebGLContextLost)
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
263 {
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
264 return;
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
265 }
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
266 else
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
diff changeset
267 {
6abd819aa534 moving edge case from WebGLViewport::UpdateSize() to WebAssemblyOpenGLContext::RefreshCanvasSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1482
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268 throw;
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269 }
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270 }
616
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271 }
617
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272
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273 const std::string& WebAssemblyOpenGLContext::GetCanvasSelector() const
617
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274 {
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275 assert(pimpl_.get() != NULL);
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276 return pimpl_->GetCanvasSelector();
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277 }
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278 }
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279 }