//Constructor
public SSAO(GraphicsDevice GraphicsDevice, ContentManager Content,
int Width, int Height)
{
//Load SSAO effect
ssao = Content.Load <Effect>("Effects/SSAO");
ssao.CurrentTechnique = ssao.Techniques[0];
//Load SSAO Blur effect
ssaoBlur = Content.Load <Effect>("Effects/SSAOBlur");
ssaoBlur.CurrentTechnique = ssaoBlur.Techniques[0];
//Load SSAO composition effect
composer = Content.Load <Effect>("Effects/SSAOFinal");
composer.CurrentTechnique = composer.Techniques[0];
//Create SSAO Target
SSAOTarget = new RenderTarget2D(GraphicsDevice, Width, Height, false,
SurfaceFormat.Color, DepthFormat.None);
//Create SSAO Blur Target
BlurTarget = new RenderTarget2D(GraphicsDevice, Width, Height, false,
SurfaceFormat.Color, DepthFormat.None);
//Create FSQ
fsq = new FullscreenQuad(GraphicsDevice);
//Load Random Normal Texture
randomNormals = Content.Load <Texture2D>("null_normal");
//Set Sample Radius to Default
sampleRadius = 0;
//Set Distance Scale to Default
distanceScale = 0;
}
public DeferredRenderer(GraphicsDevice GraphicsDevice, ContentManager Content,
int Width, int Height)
{
//Load Clear Shader
Clear = Content.Load <Effect>("Effects/Clear");
Clear.CurrentTechnique = Clear.Techniques[0];
//Load GBuffer Shader
GBuffer = Content.Load <Effect>("Effects/GBuffer");
GBuffer.CurrentTechnique = GBuffer.Techniques[0];
//Load Directional Light Shader
directionalLight = Content.Load <Effect>("Effects/DirectionalLight");
directionalLight.CurrentTechnique = directionalLight.Techniques[0];
//Load Point Light Shader
pointLight = Content.Load <Effect>("Effects/PointLight");
pointLight.CurrentTechnique = pointLight.Techniques[0];
//Load Spot Light Shader
spotLight = Content.Load <Effect>("Effects/SpotLight");
spotLight.CurrentTechnique = spotLight.Techniques[0];
//Load Composition Shader
compose = Content.Load <Effect>("Effects/Composition");
compose.CurrentTechnique = compose.Techniques[0];
//Create LightMap BlendState
LightMapBS = new BlendState();
LightMapBS.ColorSourceBlend = Blend.One;
LightMapBS.ColorDestinationBlend = Blend.One;
LightMapBS.ColorBlendFunction = BlendFunction.Add;
LightMapBS.AlphaSourceBlend = Blend.One;
LightMapBS.AlphaDestinationBlend = Blend.One;
LightMapBS.AlphaBlendFunction = BlendFunction.Add;
//Set GBuffer Texture Size
GBufferTextureSize = new Vector2(Width, Height);
//Initialize GBuffer Targets Array
GBufferTargets = new RenderTargetBinding[3];
//Intialize Each Target of the GBuffer
GBufferTargets[0] = new RenderTargetBinding(new RenderTarget2D(GraphicsDevice,
Width, Height, false,
SurfaceFormat.Rgba64,
DepthFormat.Depth24Stencil8));
GBufferTargets[1] = new RenderTargetBinding(new RenderTarget2D(GraphicsDevice,
Width, Height, false,
SurfaceFormat.Rgba64,
DepthFormat.Depth24Stencil8));
GBufferTargets[2] = new RenderTargetBinding(new RenderTarget2D(GraphicsDevice,
Width, Height, false,
SurfaceFormat.Vector2,
DepthFormat.Depth24Stencil8));
//Initialize LightMap
LightMap = new RenderTarget2D(GraphicsDevice, Width, Height, false,
SurfaceFormat.Color, DepthFormat.Depth24Stencil8);
//Create Fullscreen Quad
fsq = new FullscreenQuad(GraphicsDevice);
//Load Point Light Geometry
pointLightGeometry = Content.Load <Model>("sphere");
//Load Spot Light Geometry
//spotLightGeometry = Content.Load<Model>("SpotLightGeometry");
}