void PrepareViewportForCascade(int splitIndex)
{
// Set the viewport for the current split
Viewport splitViewport = new Viewport();
splitViewport.MinDepth = 0;
splitViewport.MaxDepth = 1;
splitViewport.Width = ShadowMapCascadeSize;
splitViewport.Height = ShadowMapCascadeSize;
splitViewport.X = splitIndex * ShadowMapCascadeSize;
splitViewport.Y = 0;
//Must be here because otherwise it crasher after resolution change
MyRender.SetDeviceViewport(splitViewport);
}
/// <summary>
/// Renders a list of models to the shadow map, and returns a surface
/// containing the shadow occlusion factor
/// </summary>
public void Render()
{
if (MyRender.Sun.Direction == Vector3.Zero)
{
return;
}
MyRender.GetRenderProfiler().StartProfilingBlock("MyShadowRenderer::Render");
if (MultiThreaded)
{
WaitUntilPrepareForDrawCompleted();
}
else
{
//PrepareFrame();
PrepareCascadesForDraw();
}
IssueQueriesForCascades();
MyRender.GetRenderProfiler().StartProfilingBlock("Set & Clear RT");
// Set our targets
MyRender.SetRenderTarget(MyRender.GetRenderTarget(m_shadowRenderTarget), MyRender.GetRenderTarget(m_shadowDepthTarget));
MyRender.GraphicsDevice.Clear(ClearFlags.ZBuffer, new ColorBGRA(0.0f), 1.0f, 0);
DepthStencilState.Default.Apply();
RasterizerState.CullNone.Apply();
//RasterizerState.CullCounterClockwise.Apply();
BlendState.Opaque.Apply();
MyRender.GetRenderProfiler().EndProfilingBlock();
MyRender.GetRenderProfiler().StartProfilingBlock("Render 4 ShadowMaps");
// Render our scene geometry to each split of the cascade
for (int i = 0; i < NumSplits; i++)
{
if (m_skip[i])
{
continue;
}
if (!m_visibility[i])
{
continue;
}
RenderShadowMap(i);
//IssueQueriesForShadowMap(i);
}
//Restore viewport
MyRenderCamera.UpdateCamera();
MyRender.SetDeviceViewport(MyRenderCamera.Viewport);
MyRender.GetRenderProfiler().EndProfilingBlock();
// MyGuiManager.TakeScreenshot();
MyRender.TakeScreenshot("ShadowMap", MyRender.GetRenderTarget(m_shadowRenderTarget), MyEffectScreenshot.ScreenshotTechniqueEnum.Color);
// Texture.ToFile(MyRender.GetRenderTarget(m_shadowRenderTarget), "c:\\test.dds", ImageFileFormat.Dds);
MyRender.GetRenderProfiler().EndProfilingBlock();
}
