/// <summary>
/// for unit testing purposes. Converts naked srv to TextureArray2D
/// </summary>
internal Texture3D ConvertFromRaw3D(SharpDX.Direct3D11.ShaderResourceView srv, Size3 size, SharpDX.DXGI.Format dstFormat)
{
var res = new Texture3D(1, size, dstFormat, false);
var dev = DirectX.Device.Get();
quad.Bind(true);
dev.Pixel.Set(convert3D.Pixel);
dev.Pixel.SetShaderResource(0, srv);
cbuffer.SetData(new LayerLevelOffsetData
{
Layer = 0,
Level = 0,
Xoffset = 0,
Yoffset = 0,
Multiplier = 1.0f
});
dev.Pixel.SetConstantBuffer(0, cbuffer.Handle);
dev.OutputMerger.SetRenderTargets(res.GetRtView(0, 0));
dev.SetViewScissors(size.Width, size.Height);
dev.DrawFullscreenTriangle(size.Depth);
// remove bindings
dev.Pixel.SetShaderResource(0, null);
dev.OutputMerger.SetRenderTargets((RenderTargetView)null);
quad.Unbind();
return(res);
}
/// <summary>
/// for unit testing purposes. Converts naked srv to TextureArray2D
/// </summary>
internal Texture3D ConvertFromRaw3D(SharpDX.Direct3D11.ShaderResourceView srv, Size3 size, SharpDX.DXGI.Format dstFormat, bool isInteger)
{
var res = new Texture3D(1, size, dstFormat, false);
var dev = DirectX.Device.Get();
quad.Bind(true);
if (isInteger)
{
if (convert3DInt == null)
{
convert3DInt = new DirectX.Shader(DirectX.Shader.Type.Pixel, GetSource(new ShaderBuilder3D("int4")), "ConvertInt");
}
dev.Pixel.Set(convert3DInt.Pixel);
}
else
{
dev.Pixel.Set(convert3D.Pixel);
}
dev.Pixel.SetShaderResource(0, srv);
cbuffer.SetData(new LayerLevelOffsetData
{
Layer = 0,
Level = 0,
Xoffset = 0,
Yoffset = 0,
Multiplier = 1.0f,
UseOverlay = 0,
Scale = 1
});
dev.Pixel.SetConstantBuffer(0, cbuffer.Handle);
dev.OutputMerger.SetRenderTargets(res.GetRtView(LayerMipmapSlice.Mip0));
dev.SetViewScissors(size.Width, size.Height);
dev.DrawFullscreenTriangle(size.Depth);
// remove bindings
dev.Pixel.SetShaderResource(0, null);
dev.OutputMerger.SetRenderTargets((RenderTargetView)null);
quad.Unbind();
return(res);
}
public Texture3D ConvertTo3D(TextureArray2D src)
{
var dst = new Texture3D(1, new Size3(src.Size.X, src.Size.Y, src.NumLayers), Format.R32G32B32A32_Float,
false);
var dev = Device.Get();
quad.Bind(true);
dev.Pixel.Set(shader3D.Pixel);
dev.Pixel.SetShaderResource(0, src.View);
dev.OutputMerger.SetRenderTargets(dst.GetRtView(LayerMipmapSlice.Mip0));
dev.SetViewScissors(dst.Size.Width, dst.Size.Height);
dev.DrawFullscreenTriangle(dst.Size.Z);
dev.Pixel.SetShaderResource(0, null);
dev.OutputMerger.SetRenderTargets((RenderTargetView)null);
quad.Unbind();
return(dst);
}