コード例 #1
0
ファイル: graphics.cpp プロジェクト: mcajend/xoreos
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();
}
コード例 #2
0
ファイル: graphics.cpp プロジェクト: mclark4386/xoreos
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();
}
コード例 #3
0
ファイル: graphics.cpp プロジェクト: strand/xoreos
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;
}