public GBuffer(GraphicsDevice graphics, GBufferInitParams p)
{
this.graphics = graphics;
this.p = p;
Rebuild();
}
public void Rebuild(GBufferInitParams newP = default)
{
p = newP ?? p;
DestroySurfaces();
int backBufferWidth = graphics.PresentationParameters.BackBufferWidth;
int backBufferHeight = graphics.PresentationParameters.BackBufferHeight;
color = new RenderTarget2D(graphics, backBufferWidth, backBufferHeight, false, p.Color, DepthFormat.Depth24Stencil8);
depth = new RenderTarget2D(graphics, backBufferWidth, backBufferHeight, false, p.Depth, DepthFormat.Depth24Stencil8);
normal = new RenderTarget2D(graphics, backBufferWidth, backBufferHeight, false, p.Normal, DepthFormat.Depth24Stencil8);
specular = new RenderTarget2D(graphics, backBufferWidth, backBufferHeight, false, p.Specular, DepthFormat.Depth24Stencil8);
colorAccum = new RenderTarget2D(graphics, backBufferWidth, backBufferHeight, false, p.ColorAccumulation, DepthFormat.None);
int width = backBufferWidth;
int height = backBufferHeight;
int steps = 0;
while (width > 4 || height > 4)
{
width /= 2;
height /= 2;
steps++;
}
width = backBufferWidth;
height = backBufferHeight;
for (int i = 0; i < steps; i++)
{
if (width > 1)
{
width /= 2;
}
if (height > 1)
{
height /= 2;
}
}
LumAccumulator = new RenderTarget2D(graphics, width, height, false, SurfaceFormat.HalfVector4, DepthFormat.None);
LumStorage = new RenderTarget2D(graphics, width, height, false, SurfaceFormat.HalfVector4, DepthFormat.None);
}
public DeferredRenderer(GraphicsDevice graphics, ContentManager content, GBufferInitParams p)
{
this.graphics = graphics;
this.content = content;
fullScreen = new FullScreenDraw(graphics);
fillEffect = new FillGBufferEffect(content.Load <Effect>("FillGBuffer"));
backgroundEffect = new BackgroundEffect(content.Load <Effect>("Background"));
postEffect = content.Load <Effect>("PostProcess");
clearEffect = content.Load <Effect>("Clear");
targets = new GBuffer(graphics, p);
lighting = new LightingStep(graphics, content, targets, fullScreen);
downscaler = new Downscaler(graphics, content, targets, fullScreen);
bloom = new Bloom(graphics, content, fullScreen);
luminanceAverager = new Averager(graphics, content, fullScreen);
drawStep.GraphicsDevice = graphics;
}