private static void RenderShadowOcclusion(GraphicsDevice graphicsDevice, RenderTarget2D depthTexture)
{
// Set the device to render to our shadow occlusion texture, and to use
// the original DepthStencilSurface
graphicsDevice.SetRenderTarget(_shadowOcclusion);
Matrix cameraTransform;
Camera.MainCamera.GetWorldMatrix(out cameraTransform);
// Setup the Effect
_shadowEffect.CurrentTechnique = shadowOcclusionTechniques[sm_filterType.GetValue <int>()];
_shadowEffect.Parameters["InvertViewProjection"].SetValue(Matrix.Invert(Camera.MainCamera.ViewProjectionMatrix));
_shadowEffect.Parameters["g_matInvView"].SetValue(cameraTransform);
_shadowEffect.Parameters["g_matLightViewProj"].SetValue(_lightCamera.ViewProjectionMatrix);
_shadowEffect.Parameters["g_vFrustumCornersVS"].SetValue(_farFrustumCornersVS);
_shadowEffect.Parameters["ShadowMap"].SetValue(_shadowMap);
_shadowEffect.Parameters["DepthTexture"].SetValue(depthTexture);
_shadowEffect.Parameters["g_vOcclusionTextureSize"].SetValue(new Vector2(_shadowOcclusion.Width, _shadowOcclusion.Height));
_shadowEffect.Parameters["g_vShadowMapSize"].SetValue(new Vector2(2048, 2048));
// Begin effect
_shadowEffect.CurrentTechnique.Passes[0].Apply();
// Draw the full screen quad
DeferredRenderer.RenderFullScreenQuad(graphicsDevice);
}
public static void RenderDirectionalLight(GraphicsDevice device, RenderTarget2D normalRT, RenderTarget2D depthRT, RenderTarget2D shadowRT)
{
_dirAmbEffect.Parameters["HalfPixel"].SetValue(_halfPixel);
_dirAmbEffect.Parameters["NormalMap"].SetValue(normalRT);
//_dirAmbEffect.Parameters["DepthMap"].SetValue(depthRT);
_dirAmbEffect.Parameters["ShadowMap"].SetValue(shadowRT);
_dirAmbEffect.Parameters["InvertViewProjection"].SetValue(Matrix.Invert(Camera.MainCamera.ViewProjectionMatrix));
_dirAmbEffect.Parameters["g_directional"].SetValue(r_sunIntensity.GetValue <float>());
_dirAmbEffect.CurrentTechnique.Passes[0].Apply();
DeferredRenderer.RenderFullScreenQuad(device);
}