private GraphicsAdapter()
{
IntPtr infoPtr = Sdl.SDL_GetVideoInfo();
Sdl.SDL_VideoInfo info = (Sdl.SDL_VideoInfo)Marshal.PtrToStructure(infoPtr, typeof(Sdl.SDL_VideoInfo));
currentDisplayMode = new DisplayMode(info.current_w, info.current_h, -1, SurfaceFormat.Bgr32);
hardwareCapabilities = new GraphicsDeviceCapabilities();
findGLCapabilities();
}
public GraphicsDevice(GraphicsAdapter adapter, DeviceType deviceType, IntPtr renderWindowHandle, PresentationParameters presentationParameters)
{
if (adapter == null || presentationParameters == null)
{
throw new ArgumentNullException("adapter or presentationParameters is null.");
}
graphicsDeviceCapabilities = adapter.GetCapabilities(deviceType);
numActiveRenderTargets = 0;
renderTargets = new RenderTarget[graphicsDeviceCapabilities.MaxSimultaneousRenderTargets];
initGL();
this.adapter = adapter;
this.deviceType = deviceType;
this.renderWindowHandle = renderWindowHandle;
PresentationParameters = presentationParameters; // set through property to ensure OpenGL propagation
this.textures = new TextureCollection();
this.clearColor = Color.Black;
}
void PrintDeviceCapabilities(StreamWriter wr, GraphicsDeviceCapabilities state)
{
wr.WriteLine("/n /n -----------Device Capabilities-----------");
wr.WriteLine("AdapterOrdinalInGroup : {0}", state.AdapterOrdinalInGroup);
wr.WriteLine("DeviceType : {0}", state.DeviceType);
}
/// <summary>(Internal Helper) Checks the backbuffer's texture size</summary>
bool CheckTextureSize(int width, int height, out int newwidth, out int newheight)
{
bool retval = false;
GraphicsCaps = GraphicsAdapter.DefaultAdapter.GetCapabilities(DeviceType.Hardware);
//MODERN HARDWARE SHOULDN'T NEED THIS CRAP
if (GraphicsCaps.TextureCapabilities.RequiresPower2)
{
retval = true; // Return true to indicate the numbers changed
/*Find the nearest base two log of the current width,
and go up to the next integer */
double exp = Math.Ceiling(Math.Log(width) / Math.Log(2));
//and use that as the exponent of the new width
width = (int)(exp * exp);
//Repeat the process for height
exp = Math.Ceiling(Math.Log(height) / Math.Log(2));
height = (int)(exp * exp);
}
if (GraphicsCaps.TextureCapabilities.RequiresSquareOnly)
{
retval = true; // Return true to indicate numbers changed
width = Math.Max(width, height);
height = width;
}
newwidth = Math.Min(GraphicsCaps.MaxTextureWidth, width);
newheight = Math.Min(GraphicsCaps.MaxTextureHeight, height);
return retval;
}
/****************************************FUNCTIONS***************************************/
public void Initialize(ContentManager content)
{
SpriteBatch = new SpriteBatch(Core.Graphics.GraphicsDevice);
vdPositionColor = new VertexDeclaration(Core.Graphics.GraphicsDevice, VertexPositionColor.VertexElements);
vdPositionNormalTexture = new VertexDeclaration(Core.Graphics.GraphicsDevice, VertexPositionNormalTexture.VertexElements);
GraphicsCaps = GraphicsAdapter.DefaultAdapter.GetCapabilities(DeviceType.Hardware);
SceneTexture = new ResolveTexture2D(mGraphics.Peek.Device(), mGraphics.Peek.Device().PresentationParameters.BackBufferWidth,
mGraphics.Peek.Device().PresentationParameters.BackBufferHeight, 1, mGraphics.Peek.Device().PresentationParameters.BackBufferFormat);
SceneRenderTarget = CreateRenderTarget(1, mGraphics.Peek.Device().PresentationParameters.BackBufferFormat);
mCamera.Peek.Initialize(Engine.TempVector3(0.0f, 0.0f, 0.0f));
}
private GraphicsAdapter()
{
IntPtr infoPtr = Sdl.SDL_GetVideoInfo ();
Sdl.SDL_VideoInfo info = (Sdl.SDL_VideoInfo) Marshal.PtrToStructure (infoPtr, typeof (Sdl.SDL_VideoInfo));
currentDisplayMode = new DisplayMode(info.current_w, info.current_h, -1, SurfaceFormat.Bgr32);
hardwareCapabilities = new GraphicsDeviceCapabilities();
findGLCapabilities();
}
