/// <inheritdoc/>
public async Task <Image> CaptureCubemap()
{
return(await editor.Controller.InvokeAsync(() =>
{
editor.ServiceProvider.TryGet <RenderDocManager>()?.StartFrameCapture(game.GraphicsDevice, IntPtr.Zero);
var editorCompositor = game.EditorSceneSystem.GraphicsCompositor.Game;
try
{
// Disable Gizmo
game.EditorSceneSystem.GraphicsCompositor.Game = null;
var editorCameraPosition = Camera.Position;
// Capture cubemap
using (var cubemap = CubemapSceneRenderer.GenerateCubemap(game, editorCameraPosition, 1024))
{
return cubemap.GetDataAsImage(game.GraphicsContext.CommandList);
}
}
finally
{
game.EditorSceneSystem.GraphicsCompositor.Game = editorCompositor;
editor.ServiceProvider.TryGet <RenderDocManager>()?.EndFrameCapture(game.GraphicsDevice, IntPtr.Zero);
}
}));
}
public static Dictionary <LightProbeComponent, FastList <Color3> > GenerateCoefficients(ISceneRendererContext context)
{
using (var cubemapRenderer = new CubemapSceneRenderer(context, 256))
{
// Create target cube texture
var cubeTexture = Texture.NewCube(context.GraphicsDevice, 256, PixelFormat.R16G16B16A16_Float);
// Prepare shader for SH prefiltering
var lambertFiltering = new LambertianPrefilteringSHNoCompute(cubemapRenderer.DrawContext.RenderContext)
{
HarmonicOrder = LambertHamonicOrder,
RadianceMap = cubeTexture,
};
var lightProbesCoefficients = new Dictionary <LightProbeComponent, FastList <Color3> >();
using (cubemapRenderer.DrawContext.PushRenderTargetsAndRestore())
{
// Render light probe
context.GraphicsContext.CommandList.BeginProfile(Color.Red, "LightProbes");
int lightProbeIndex = 0;
foreach (var entity in context.SceneSystem.SceneInstance)
{
var lightProbe = entity.Get <LightProbeComponent>();
if (lightProbe == null)
{
continue;
}
var lightProbePosition = lightProbe.Entity.Transform.WorldMatrix.TranslationVector;
context.GraphicsContext.ResourceGroupAllocator.Reset(context.GraphicsContext.CommandList);
context.GraphicsContext.CommandList.BeginProfile(Color.Red, $"LightProbes {lightProbeIndex}");
lightProbeIndex++;
cubemapRenderer.Draw(lightProbePosition, cubeTexture);
context.GraphicsContext.CommandList.BeginProfile(Color.Red, "Prefilter SphericalHarmonics");
// Compute SH coefficients
lambertFiltering.Draw(cubemapRenderer.DrawContext);
var coefficients = lambertFiltering.PrefilteredLambertianSH.Coefficients;
var lightProbeCoefficients = new FastList <Color3>();
for (int i = 0; i < coefficients.Length; i++)
{
lightProbeCoefficients.Add(coefficients[i] * SphericalHarmonics.BaseCoefficients[i]);
}
lightProbesCoefficients.Add(lightProbe, lightProbeCoefficients);
context.GraphicsContext.CommandList.EndProfile(); // Prefilter SphericalHarmonics
context.GraphicsContext.CommandList.EndProfile(); // Face XXX
// Debug render
}
context.GraphicsContext.CommandList.EndProfile(); // LightProbes
}
cubeTexture.Dispose();
return(lightProbesCoefficients);
}
}
