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comparison Applications/Sdl/SdlOpenGLContext.cpp @ 947:1091b2adeb5a toa2019081001

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Fixed animation frame stopping when returning false + big work on the OpenGL objects to make them lost context-safe + debug code to forcefully tag a context as lost + debug macros
author Benjamin Golinvaux <bgo@osimis.io>
date Sat, 10 Aug 2019 13:07:31 +0200
parents 0aff28f15ea2
children a7351ad54960
comparison
equal deleted inserted replaced
946:dbe3e1e47019 947:1091b2adeb5a
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/ 19 **/
20 20
21 21
22 #include "SdlOpenGLContext.h" 22 #include "SdlOpenGLContext.h"
23 #include "../../Framework/StoneException.h"
23 24
24 #if ORTHANC_ENABLE_SDL == 1 25 #if ORTHANC_ENABLE_SDL == 1
25 26
26 #if !defined(ORTHANC_ENABLE_GLEW) 27 #if !defined(ORTHANC_ENABLE_GLEW)
27 # error Macro ORTHANC_ENABLE_GLEW must be defined 28 # error Macro ORTHANC_ENABLE_GLEW must be defined
36 namespace OrthancStone 37 namespace OrthancStone
37 { 38 {
38 SdlOpenGLContext::SdlOpenGLContext(const char* title, 39 SdlOpenGLContext::SdlOpenGLContext(const char* title,
39 unsigned int width, 40 unsigned int width,
40 unsigned int height, 41 unsigned int height,
41 bool allowDpiScaling) : 42 bool allowDpiScaling)
42 window_(title, width, height, true /* enable OpenGL */, allowDpiScaling) 43 : window_(title, width, height, true /* enable OpenGL */, allowDpiScaling)
44 , context_(NULL)
45 , contextLost_(false)
43 { 46 {
44 context_ = SDL_GL_CreateContext(window_.GetObject()); 47 context_ = SDL_GL_CreateContext(window_.GetObject());
45 48
46 if (context_ == NULL) 49 if (context_ == NULL)
47 { 50 {
81 { 84 {
82 SDL_GL_DeleteContext(context_); 85 SDL_GL_DeleteContext(context_);
83 } 86 }
84 87
85 88
89 bool SdlOpenGLContext::IsContextLost() const
90 {
91 return contextLost_;
92 }
93
94
95 void SdlOpenGLContext::SetLostContext()
96 {
97 contextLost_ = true;
98 }
99
100 void SdlOpenGLContext::RestoreLostContext()
101 {
102 contextLost_ = false;
103 }
104
105 // extern bool Debug_MustContextBeKilled(std::string title);
106 // extern void Debug_Context_ClearKillFlag(std::string title);
107
86 void SdlOpenGLContext::MakeCurrent() 108 void SdlOpenGLContext::MakeCurrent()
87 { 109 {
110 if (IsContextLost())
111 throw OpenGLContextLostException(context_);
112
113 // <DEBUG STUFF>
114 // This is used for context loss simulation
115 // SDL_Window* internalWindow = GetWindow().GetObject();
116 // std::string title(SDL_GetWindowTitle(internalWindow));
117
118 // if (Debug_MustContextBeKilled(title))
119 // {
120 // Debug_Context_ClearKillFlag(title);
121 // SetLostContext();
122 // throw OpenGLContextLostException(context_);
123 // }
124 // </DEBUG STUFF>
125
88 if (SDL_GL_MakeCurrent(window_.GetObject(), context_) != 0) 126 if (SDL_GL_MakeCurrent(window_.GetObject(), context_) != 0)
89 { 127 {
90 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, 128 const char* errText = SDL_GetError();
91 "Cannot set current OpenGL context"); 129 std::stringstream ss;
130 ss << "Cannot set current OpenGL context. SDL error text: " << errText;
131 std::string errStr = ss.str();
132 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, errStr.c_str());
92 } 133 }
93 134
94 // This makes our buffer swap syncronized with the monitor's vertical refresh 135 // This makes our buffer swap synchronized with the monitor's vertical refresh
95 SDL_GL_SetSwapInterval(1); 136 SDL_GL_SetSwapInterval(1);
96 } 137 }
97 138
98 139
99 void SdlOpenGLContext::SwapBuffer() 140 void SdlOpenGLContext::SwapBuffer()