public ShadowMap(IColorBuffer sharedColorBuffer, int index)
{
_shadowMapResourceName = "ShadowMap" + index;
CameraSliceFrustum = new ViewFrustum();
LightFrustum = new ViewFrustum();
RenderTarget = new RenderTarget();
RenderTarget.ColorBuffer.Add(sharedColorBuffer);
RenderTarget.DepthStencilBuffer = new DepthStencilBuffer(sharedColorBuffer.Width, sharedColorBuffer.Height, 1, true);
}
private void UpdateShadowMaps()
{
IColorBuffer colorBuffer = null;
if ((_shadowCascades.Count > 0 && _shadowCascades[0].RenderTarget.DepthStencilBuffer.Width != this.ShadowMapSize) || _shadowCascades.Count == 0)
{
colorBuffer = new TextureColorBuffer(SharpDX.DXGI.Format.R8_UNorm, this.ShadowMapSize, this.ShadowMapSize, 1, false);
_shadowCascades.Clear();
}
else if (_shadowCascades.Count != this.NumShadowMaps)
{
colorBuffer = _shadowCascades[0].RenderTarget.ColorBuffer[0];
while (this.NumShadowMaps < _shadowCascades.Count)
{
_shadowCascades.RemoveAt(_shadowCascades.Count - 1);
}
}
while (this.NumShadowMaps > _shadowCascades.Count)
{
_shadowCascades.Add(new ShadowMap(colorBuffer, _shadowCascades.Count));
}
}