private void SetupTopologyBuffers(Device device, QuadTopology topology, float[] faceTransparencies)
{
vertexCount = topology.VertexCount;
facesView = BufferUtilities.ToStructuredBufferView(device, topology.Faces);
transparenciesView = BufferUtilities.ToStructuredBufferView(device, faceTransparencies);
outputBufferManager = new StageableStructuredBufferManager <OcclusionInfo>(device, vertexCount);
}
public void Run()
{
Device device = new Device(SharpDX.Direct3D.DriverType.Hardware, DeviceCreationFlags.Debug);
ShaderCache shaderCache = new ShaderCache(device);
var stamdardSamplers = new StandardSamplers(device);
var dataDir = UnpackedArchiveDirectory.Make(CommonPaths.WorkDir);
var environment = new ImageBasedLightingEnvironment(device, stamdardSamplers, dataDir, "ruins", 0);
DeviceContext context = device.ImmediateContext;
Vector4[] samplePositions =
{
new Vector4(+1, 0, 0, 0),
new Vector4(-1, 0, 0, 0),
new Vector4(0, +1, 0, 0),
new Vector4(0, -1, 0, 0),
new Vector4(0, 0, +1, 0),
new Vector4(0, 0, -1, 0),
};
var inBufferView = BufferUtilities.ToStructuredBufferView(device, samplePositions);
ComputeShader shader = shaderCache.GetComputeShader <SampleCubeMapApp>("demos/cubemapsampler/SampleCubeMap");
var outBuffer = new StageableStructuredBufferManager <Vector4>(device, samplePositions.Length);
context.ComputeShader.Set(shader);
environment.Apply(context.ComputeShader);
context.ComputeShader.SetShaderResource(1, inBufferView);
context.ComputeShader.SetUnorderedAccessView(0, outBuffer.View);
context.Dispatch(samplePositions.Length, 1, 1);
context.ClearState();
Vector4[] results = outBuffer.ReadContents(context);
for (int i = 0; i < samplePositions.Length; ++i)
{
Console.WriteLine(samplePositions[i]);
Console.WriteLine("\t" + results[i].X);
Console.WriteLine("\t" + results[i].Y);
Console.WriteLine("\t" + results[i].Z);
Console.WriteLine("\t" + results[i].W);
}
}
