void GraphicsManager::initSize(int width, int height, bool fullscreen) {
int bpp = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
if ((bpp != 24) && (bpp != 32))
throw Common::Exception("Need 24 or 32 bits per pixel");
_systemWidth = SDL_GetVideoInfo()->current_w;
_systemHeight = SDL_GetVideoInfo()->current_h;
uint32 flags = SDL_OPENGL;
_fullScreen = fullscreen;
if (_fullScreen)
flags |= SDL_FULLSCREEN;
if (!setupSDLGL(width, height, bpp, flags)) {
// Could not initialize OpenGL, trying a different bpp value
bpp = (bpp == 32) ? 24 : 32;
if (!setupSDLGL(width, height, bpp, flags))
// Still couldn't initialize OpenGL, erroring out
throw Common::Exception("Failed setting the video mode: %s", SDL_GetError());
}
// Initialize glew, for the extension entry points
GLenum glewErr = glewInit();
if (glewErr != GLEW_OK)
throw Common::Exception("Failed initializing glew: %s", glewGetErrorString(glewErr));
// Check if we have all needed OpenGL extensions
checkGLExtensions();
}
void GraphicsManager::initSize(int width, int height, bool fullscreen) {
int bpp = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
if ((bpp != 16) && (bpp != 24) && (bpp != 32))
throw Common::Exception("Need 16, 24 or 32 bits per pixel");
_systemWidth = SDL_GetVideoInfo()->current_w;
_systemHeight = SDL_GetVideoInfo()->current_h;
uint32 flags = SDL_OPENGL;
_fullScreen = fullscreen;
if (_fullScreen)
flags |= SDL_FULLSCREEN;
// The way we try to find an optimal color mode is a bit complex:
// We only want 16bpp as a fallback, but otherwise prefer the native value.
// So, if we're currently in 24bpp or 32bpp, we try that one first, then the
// other one and 16bpp only as a last resort.
// If we're currently in 16bpp mode, we try the higher two first as well,
// before being okay with native 16bpp mode.
const int colorModes[] = {bpp == 16 ? 32 : bpp, bpp == 24 ? 32 : 24, 16 };
bool foundMode = false;
for (int i = 0; i < ARRAYSIZE(colorModes); i++) {
if (setupSDLGL(width, height, colorModes[i], flags)) {
foundMode = true;
break;
}
}
if (!foundMode)
throw Common::Exception("Failed setting the video mode: %s", SDL_GetError());
// Initialize glew, for the extension entry points
GLenum glewErr = glewInit();
if (glewErr != GLEW_OK)
throw Common::Exception("Failed initializing glew: %s", glewGetErrorString(glewErr));
// Check if we have all needed OpenGL extensions
checkGLExtensions();
}
void GraphicsManager::initSize(int width, int height, bool fullscreen) {
uint32 flags = SDL_WINDOW_OPENGL;
_fullScreen = fullscreen;
if (_fullScreen)
flags |= SDL_WINDOW_FULLSCREEN | SDL_WINDOW_RESIZABLE ;
if (!setupSDLGL(width, height, flags))
throw Common::Exception("Failed setting the video mode: %s", SDL_GetError());
// Initialize glew, for the extension entry points
GLenum glewErr = glewInit();
if (glewErr != GLEW_OK)
throw Common::Exception("Failed initializing glew: %s", glewGetErrorString(glewErr));
// Check if we have all needed OpenGL extensions
checkGLExtensions();
_width = width;
_height = height;
}