/// <summary>
/// Renders the shadow map using the orthographic camera created in
/// CalculateFrustum.
/// </summary>
/// <param name="modelList">The list of models to be rendered</param>
protected void RenderShadowMap(int splitIndex)
{
PrepareViewportForCascade(splitIndex);
// Set up the effect
MyEffectShadowMap shadowMapEffect = MyRender.GetEffect(MyEffects.ShadowMap) as Effects.MyEffectShadowMap;
shadowMapEffect.SetDitheringTexture((SharpDX.Direct3D9.Texture)MyTextureManager.GetTexture <MyTexture2D>(@"Textures\Models\Dither.png"));
shadowMapEffect.SetHalfPixel(MyShadowRenderer.NumSplits * MyRender.GetShadowCascadeSize(), MyRender.GetShadowCascadeSize());
// Clear shadow map
shadowMapEffect.SetTechnique(MyEffectShadowMap.ShadowTechnique.Clear);
MyRender.GetFullscreenQuad().Draw(shadowMapEffect);
shadowMapEffect.SetViewProjMatrix((Matrix)m_lightCameras[splitIndex].ViewProjMatrixAtZero);
MyRender.GetRenderProfiler().StartProfilingBlock("draw elements");
// Draw the models
DrawElements(m_lightCameras[splitIndex].CastingRenderElements, shadowMapEffect, true, m_lightCameras[splitIndex].WorldMatrix.Translation, splitIndex, true);
m_lightCameras[splitIndex].CastingRenderElements.Clear();
MyRender.GetRenderProfiler().EndProfilingBlock();
}