public void UpdateTexture(VoxelStorageContext context, ref IVoxelStorageTexture texture, Xenko.Graphics.PixelFormat pixelFormat, int layoutCount)
{
VoxelStorageTextureClipmap clipmap = texture as VoxelStorageTextureClipmap;
if (clipmap == null)
{
clipmap = new VoxelStorageTextureClipmap();
}
Vector3 ClipMapTextureResolution = new Vector3(ClipMapResolution.X, ClipMapResolution.Y * ClipMapCount * layoutCount, ClipMapResolution.Z);
Vector3 MipMapResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2 * layoutCount, ClipMapResolution.Z / 2);
Vector3 MipMapNoLayoutResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2, ClipMapResolution.Z / 2);
if (NeedToRecreateTexture(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 (NeedToRecreateTexture(clipmap.MipMaps, MipMapResolution, pixelFormat))
{
if (clipmap.TempMipMaps != null)
{
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i].Dispose();
}
}
Vector3 MipMapResolutionMax = MipMapResolution;
int mipCount = 1 + (int)Math.Floor(Math.Log(Math.Min(MipMapNoLayoutResolution.X, Math.Min(MipMapNoLayoutResolution.Y, MipMapNoLayoutResolution.Z)), 2));
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[mipCount];
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.MipmapInner = MipmapInner;
clipmap.ClipMapResolution = ClipMapResolution;
clipmap.ClipMapCount = ClipMapCount;
clipmap.LayoutSize = layoutCount;
clipmap.VoxelMatrix = InnerTextureMatrix;
clipmap.VoxelSize = context.RealVoxelSize();
texture = clipmap;
}
