Mercurial > hg > orthanc-stone

annotate Applications/Platforms/WebAssembly/WebAssemblyOpenGLContext.cpp @ 1870:3889ae96d2e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 9ac2a65d4172
children 7053b8a0aaec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Stone of Orthanc
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
1739
9ac2a65d4172 upgrade to year 2021
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1624
diff changeset
5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
1870
3889ae96d2e9 added copyright UCLouvain
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1739
diff changeset
6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 *
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * This program is free software: you can redistribute it and/or
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * modify it under the terms of the GNU Affero General Public License
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 * as published by the Free Software Foundation, either version 3 of
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 * the License, or (at your option) any later version.
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 *
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * This program is distributed in the hope that it will be useful, but
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 * Affero General Public License for more details.
1596
4fb8fdf03314 removed annoying whitespace
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1591
diff changeset
17 *
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
18 * You should have received a copy of the GNU Affero General Public License
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20 **/
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 #include "WebAssemblyOpenGLContext.h"
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24
1591
5887a4f8594b moving platform-specific files out of the "OrthancStone" folder
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1578
diff changeset
25 #include "../../../OrthancStone/Sources/StoneException.h"
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
26
1624
59f95b9ea858 fix build
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1596
diff changeset
27 #include <Logging.h>
1455
30deba7bc8e2 simplifying include_directories
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1351
diff changeset
28 #include <OrthancException.h>
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 #include <emscripten/html5.h>
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
31 #include <emscripten/em_asm.h>
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
32
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33 #include <boost/math/special_functions/round.hpp>
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35 namespace OrthancStone
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
37 namespace OpenGL
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
38 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
39 class WebAssemblyOpenGLContext::PImpl
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
41 private:
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
42 std::string canvasSelector_;
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
43 EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context_;
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
44 bool isContextLost_;
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
45
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
46 public:
1571
85e117739eca cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
47 explicit PImpl(const std::string& canvasSelector) :
85e117739eca cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
48 canvasSelector_(canvasSelector),
85e117739eca cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
49 isContextLost_(false)
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 // Context configuration
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 EmscriptenWebGLContextAttributes attr;
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 emscripten_webgl_init_context_attributes(&attr);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54
1578
1f812f4c95be comments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1576
diff changeset
55 // The next line might be necessary to print using
1f812f4c95be comments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1576
diff changeset
56 // WebGL. Sometimes, if set to "false" (the default value),
1f812f4c95be comments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1576
diff changeset
57 // the canvas was rendered as a fully white or black
1f812f4c95be comments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1576
diff changeset
58 // area. UNCONFIRMED.
1575
e4a52cbbdd70 working on print
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1571
diff changeset
59 attr.preserveDrawingBuffer = true;
e4a52cbbdd70 working on print
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1571
diff changeset
60
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
61 context_ = emscripten_webgl_create_context(canvasSelector.c_str(), &attr);
945
2db3ef713664 Fixed error handling for WebGL context creation
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
62 if (context_ == 0)
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
63 {
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
64 std::string message("Cannot create an OpenGL context for the element with the following CSS selector: \"");
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
65 message += canvasSelector;
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
66 message += "\" Please make sure the -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1 flag has been passed to Emscripten when building.";
894
f557b18d287f wasm: error log if canvas GL context can't be created
Benjamin Golinvaux <bgo@osimis.io>
parents: 891
diff changeset
67 LOG(ERROR) << message;
f557b18d287f wasm: error log if canvas GL context can't be created
Benjamin Golinvaux <bgo@osimis.io>
parents: 891
diff changeset
68 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, message);
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
71
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
72 void* DebugGetInternalContext() const
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
73 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
74 return reinterpret_cast<void*>(context_);
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
75 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
76
956
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
77 bool IsContextLost()
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
78 {
961
92e32e263ae9 Removed log in IsContextLost (too many calls) + removed glGetError guards on calls (expensive) + added shared_ptr ref count dump in LoaderCache (still needs to figure that one out)
Benjamin Golinvaux <bgo@osimis.io>
parents: 958
diff changeset
79 //LOG(TRACE) << "IsContextLost() for context " << std::hex << context_ << std::dec;
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
80 bool apiFlag = (emscripten_is_webgl_context_lost(context_) != 0);
956
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
81 isContextLost_ = apiFlag;
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
82 return isContextLost_;
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
83 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
84
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
85 void SetLostContext()
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
86 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
87 isContextLost_ = true;
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
88 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
89
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
90 ~PImpl()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
91 {
956
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
92 try
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
93 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
94 EMSCRIPTEN_RESULT result = emscripten_webgl_destroy_context(context_);
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
95 if (result != EMSCRIPTEN_RESULT_SUCCESS)
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
96 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
97 LOG(ERROR) << "emscripten_webgl_destroy_context returned code " << result;
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
98 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
99 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
100 catch (const Orthanc::OrthancException& e)
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
101 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
102 if (e.HasDetails())
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
103 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
104 LOG(ERROR) << "OrthancException in WebAssemblyOpenGLContext::~PImpl: " << e.What() << " Details: " << e.GetDetails();
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
105 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
106 else
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
107 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
108 LOG(ERROR) << "OrthancException in WebAssemblyOpenGLContext::~PImpl: " << e.What();
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
109 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
110 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
111 catch (const std::exception& e)
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
112 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
113 LOG(ERROR) << "std::exception in WebAssemblyOpenGLContext::~PImpl: " << e.what();
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
114 }
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
115 catch (...)
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
116 {
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
117 LOG(ERROR) << "Unknown exception in WebAssemblyOpenGLContext::~PImpl";
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
118 }
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
120
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
121 const std::string& GetCanvasSelector() const
617
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
122 {
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
123 return canvasSelector_;
617
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
124 }
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
125
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
126 void MakeCurrent()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 {
947
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
128 if (IsContextLost())
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
129 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
130 LOG(ERROR) << "MakeCurrent() called on lost context " << context_;
1050
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 997
diff changeset
131 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
132 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
133
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
134 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
135 {
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
136 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
137 SetLostContext();
1050
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 997
diff changeset
138 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
139 }
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
140
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 if (emscripten_webgl_make_context_current(context_) != EMSCRIPTEN_RESULT_SUCCESS)
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 "Cannot set the OpenGL context");
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145 }
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>
parents:
diff changeset
147
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 void SwapBuffer()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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 * "Rendered WebGL content is implicitly presented (displayed to
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152 * the user) on the canvas when the event handler that renders with
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 * WebGL returns back to the browser event loop."
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
154 * 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
155 *
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 * Could call "emscripten_webgl_commit_frame()" if
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157 * "explicitSwapControl" option were set to "true".
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 **/
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>
parents:
diff changeset
160 };
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
163 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
164 pimpl_(new PImpl(canvasSelector))
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165 {
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:
diff changeset
167
956
a7351ad54960 Made IsContextLost automatically set the flag by checking with the emscripten
Benjamin Golinvaux <bgo@osimis.io>
parents: 947
diff changeset
168 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
169 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
170 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
171 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
172
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
173 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
174 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
175 pimpl_->SetLostContext();
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
176 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
177
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
178 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
179 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
180 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
181 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 945
diff changeset
182
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 void WebAssemblyOpenGLContext::MakeCurrent()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 pimpl_->MakeCurrent();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 }
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 void WebAssemblyOpenGLContext::SwapBuffer()
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 {
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 assert(pimpl_.get() != NULL);
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 pimpl_->SwapBuffer();
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
195 const std::string& WebAssemblyOpenGLContext::GetCanvasSelector() const
617
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
196 {
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
197 assert(pimpl_.get() != NULL);
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
Benjamin Golinvaux <bgo@osimis.io>
parents: 1338
diff changeset
198 return pimpl_->GetCanvasSelector();
617
7efa2543699d simplification
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 616
diff changeset
199 }
616
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 }
97926984d5d0 WebAssembly sample using Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201 }