diff options
Diffstat (limited to 'src/utils/sdl2helper.cpp')
| -rw-r--r-- | src/utils/sdl2helper.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/utils/sdl2helper.cpp b/src/utils/sdl2helper.cpp index 22c57116c..3b2b988a0 100644 --- a/src/utils/sdl2helper.cpp +++ b/src/utils/sdl2helper.cpp @@ -94,4 +94,36 @@ SDL_Thread *SDL::createThread(SDL_ThreadFunction fn, return SDL_CreateThread(fn, name, data); } +void *SDL::createGLContext(SDL_Window *const window, + const int major, + const int minor) +{ + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_CORE); +// SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); + SDL_ClearError(); + void *context = SDL_GL_CreateContext(window); + if (SDL_GetError()) + { + if (!context && (major > 3 || (major == 3 && minor > 3))) + { + logger->log("Try fallback to OpenGL 3.3 context"); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3); + SDL_ClearError(); + context = SDL_GL_CreateContext(window); + if (SDL_GetError()) + { + logger->log("Try fallback to OpenGL 3.0 context"); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); + context = SDL_GL_CreateContext(window); + } + } + } + return context; +} + #endif // USE_SDL2 |