bool GraphicsManager::setupSDLGL(int width, int height, uint32 flags) {
_fsaaMax = probeFSAA(width, height, flags);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
_screen = SDL_CreateWindow(_windowTitle.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags);
if (!_screen)
return false;
setWindowIcon(*_screen);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
_glContext = SDL_GL_CreateContext(_screen);
if (_glContext != NULL) {
// OpenGL 3.2 context created, continue.
return (_gl3 = true);
}
// OpenGL 3.2 context not created. Spit out an error message, and try a 2.1 context.
_gl3 = false;
warning("Could not create OpenGL 3.2 context: %s", SDL_GetError());
warning("Your graphics card hardware or driver does not support OpenGL 3.2. "
"Attempting to create OpenGL 2.1 context instead");
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
_glContext = SDL_GL_CreateContext(_screen);
if (_glContext == NULL) {
SDL_DestroyWindow(_screen);
return false;
}
return true;
}
bool GraphicsManager::setupSDLGL(int width, int height, int bpp, uint32 flags) {
_fsaaMax = probeFSAA(width, height, bpp, flags);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE , bpp);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
_screen = SDL_SetVideoMode(width, height, bpp, flags);
if (!_screen)
return false;
return true;
}
bool GraphicsManager::setupSDLGL(int width, int height, uint32 flags) {
_fsaaMax = probeFSAA(width, height, flags);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE , 8);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
int x = ConfigMan.getInt("x", SDL_WINDOWPOS_UNDEFINED);
int y = ConfigMan.getInt("y", SDL_WINDOWPOS_UNDEFINED);
_screen = SDL_CreateWindow(_windowTitle.c_str(), x, y, width, height, flags);
if (!_screen)
return false;
setWindowIcon(*_screen);
_gl3 = true;
_glProfile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK , _glProfile);
_glContext = SDL_GL_CreateContext(_screen);
if (_glContext)
return true;
// OpenGL 3.2 context not created. Spit out an error message, and try a 2.1 core context.
_gl3 = false;
_glProfile = SDL_GL_CONTEXT_PROFILE_CORE;
warning("Could not create OpenGL 3.2 context: %s", SDL_GetError());
warning("Your graphics card hardware or driver does not support OpenGL 3.2. "
"Attempting to create OpenGL 2.1 context instead");
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK , _glProfile);
_glContext = SDL_GL_CreateContext(_screen);
if (_glContext)
return true;
// No OpenGL 2.1 core context. Let SDL decide what to give us.
_gl3 = false;
_glProfile = 0;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK , _glProfile);
_glContext = SDL_GL_CreateContext(_screen);
if (_glContext)
return true;
SDL_DestroyWindow(_screen);
return false;
}
