public void UpdateTexture(VoxelStorageContext context, ref IVoxelStorageTexture texture, Xenko.Graphics.PixelFormat pixelFormat, int LayoutSize)
{
VoxelStorageTextureClipmap clipmap = texture as VoxelStorageTextureClipmap;
if (clipmap == null)
{
clipmap = new VoxelStorageTextureClipmap();
}
Vector3 ClipMapTextureResolution = new Vector3(ClipMapResolution.X, ClipMapResolution.Y * ClipMapCount * LayoutSize, ClipMapResolution.Z);
Vector3 MipMapResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2 * LayoutSize, ClipMapResolution.Z / 2);
if (VoxelUtils.DisposeTextureBySpecs(clipmap.ClipMaps, ClipMapTextureResolution, pixelFormat))
{
clipmap.ClipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)ClipMapTextureResolution.X, (int)ClipMapTextureResolution.Y, (int)ClipMapTextureResolution.Z, new MipMapCount(false), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
}
if (VoxelUtils.DisposeTextureBySpecs(clipmap.MipMaps, MipMapResolution, pixelFormat))
{
if (clipmap.TempMipMaps != null)
{
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i].Dispose();
}
}
Vector3 MipMapResolutionMax = MipMapResolution;
clipmap.MipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolution.X, (int)MipMapResolution.Y, (int)MipMapResolution.Z, new MipMapCount(true), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
clipmap.TempMipMaps = new Xenko.Graphics.Texture[MipMapCount];
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i] = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolutionMax.X, (int)MipMapResolutionMax.Y, (int)MipMapResolutionMax.Z, false, pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
MipMapResolutionMax /= 2;
}
}
clipmap.DownsampleFinerClipMaps = DownsampleFinerClipMaps;
clipmap.ClipMapResolution = ClipMapResolution;
clipmap.ClipMapCount = ClipMapCount;
clipmap.LayoutSize = LayoutSize;
clipmap.VoxelSize = context.RealVoxelSize();
clipmap.VolumeTranslation = new Int3((int)context.VoxelSpaceTranslation.X, (int)context.VoxelSpaceTranslation.Y, (int)context.VoxelSpaceTranslation.Z);
Array.Copy(MippingOffset, clipmap.MippingOffset, MippingOffset.Length);
Array.Copy(PerMapOffsetScale, clipmap.PerMapOffsetScale, PerMapOffsetScale.Length);
texture = clipmap;
}
public void UpdateTempStorage(VoxelStorageContext context)
{
storageUints = (tempStorageCounter + 31) / 32;
tempStorageCounter = 0;
var resolution = ClipMapResolution;
int fragments = (int)(resolution.X * resolution.Y * resolution.Z) * ClipMapCount;
if (VoxelUtils.DisposeBufferBySpecs(FragmentsBuffer, storageUints * fragments) && storageUints * fragments > 0)
{
FragmentsBuffer = Xenko.Graphics.Buffer.Typed.New(context.device, storageUints * fragments, PixelFormat.R32_UInt, true);
}
}
public void Render(VoxelStorageContext storageContext, RenderDrawContext drawContext, RenderView view)
{
RenderView voxelizationView = view;
Int2 ViewSize = VoxelizationViewSizes[view];
if (VoxelUtils.DisposeTextureBySpecs(MSAARenderTarget, new Vector3(ViewSize.X, ViewSize.Y, 1), PixelFormat.R8G8B8A8_UNorm, MultisampleCount))
{
MSAARenderTarget = Texture.New(storageContext.device, TextureDescription.New2D(ViewSize.X, ViewSize.Y, new MipMapCount(false), PixelFormat.R8G8B8A8_UNorm, TextureFlags.RenderTarget, 1, GraphicsResourceUsage.Default, MultisampleCount), null);
}
drawContext.CommandList.ResetTargets();
if (MSAARenderTarget != null)
{
drawContext.CommandList.SetRenderTarget(null, MSAARenderTarget);
}
var renderSystem = drawContext.RenderContext.RenderSystem;
drawContext.CommandList.SetViewport(new Viewport(0, 0, ViewSize.X, ViewSize.Y));
renderSystem.Draw(drawContext, voxelizationView, renderSystem.RenderStages[voxelizationView.RenderStages[0].Index]);
}