public int[] Histogram(ShaderResourceView srcTextureSRV)
{
SharpDX.Direct3D.ShaderMacro[] defines = new[] {
new SharpDX.Direct3D.ShaderMacro("THREADSX", 32),
new SharpDX.Direct3D.ShaderMacro("THREADSY", 32),
};
using (var histogramResult = new SharpDX.Direct3D11.Buffer(_game.DeviceContext.Device,
new BufferDescription
{
BindFlags = BindFlags.UnorderedAccess,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.BufferAllowRawViews,
Usage = ResourceUsage.Default,
SizeInBytes = 256 * 4,
StructureByteStride = 4
}))
using (var histogramUAV = StaticMetods.CreateBufferUAV(_game.DeviceContext.Device, histogramResult))
{
_game.DeviceContext.ClearUnorderedAccessView(histogramUAV, Int4.Zero);
var cpuReadDesc = histogramResult.Description;
cpuReadDesc.OptionFlags = ResourceOptionFlags.None;
cpuReadDesc.BindFlags = BindFlags.None;
cpuReadDesc.CpuAccessFlags = CpuAccessFlags.Read;
cpuReadDesc.Usage = ResourceUsage.Staging;
using (var histogramCPU = new Buffer(_game.DeviceContext.Device, cpuReadDesc))
using (var srcTexture = srcTextureSRV.ResourceAs <Texture2D>())
using (var cs = StaticMetods.GetComputeShader(_game.DeviceContext.Device, "Shaders\\Filters\\LumHistorgam.hlsl", defines))
{
var desc = srcTexture.Description;
_game.DeviceContext.ComputeShader.SetShaderResource(0, srcTextureSRV);
_game.DeviceContext.ComputeShader.SetUnorderedAccessView(0, histogramUAV);
_game.DeviceContext.ComputeShader.Set(cs);
_game.DeviceContext.Dispatch((int)Math.Ceiling(desc.Width / 1024.0), (int)Math.Ceiling(desc.Height / 1.0), 1);
_game.DeviceContext.ComputeShader.SetShaderResource(0, null);
_game.DeviceContext.ComputeShader.SetUnorderedAccessView(0, null);
// Копировать результат в буффер из которого наш Процессор может читать данные.
_game.DeviceContext.CopyResource(histogramResult, histogramCPU);
return(StaticMetods.GetIntArrayFromByfferData(_game.DeviceContext, histogramCPU));
}
}
}
private ShaderResourceView ApplyCS(ShaderResourceView srcTextureSRV, float fIntencity, string Shader)
{
SharpDX.Direct3D.ShaderMacro[] defines = new[] {
new SharpDX.Direct3D.ShaderMacro("THREADSX", 32),
new SharpDX.Direct3D.ShaderMacro("THREADSY", 32),
};
using (var srcTexture = srcTextureSRV.ResourceAs <Texture2D>())
{
var desc = srcTexture.Description;
desc.BindFlags = BindFlags.UnorderedAccess;
using (var target = new Texture2D(_game.DeviceContext.Device, desc))
using (var targetUAV = new UnorderedAccessView(_game.DeviceContext.Device, target))
using (var computeBuffer = new Buffer(_game.DeviceContext.Device,
Utilities.SizeOf <ComputeConstants>(),
ResourceUsage.Default,
BindFlags.ConstantBuffer,
CpuAccessFlags.None,
ResourceOptionFlags.None,
0))
using (var cs = StaticMetods.GetComputeShader(_game.DeviceContext.Device, Shader, defines))
{
var constants = new ComputeConstants {
Intensity = fIntencity
};
_game.DeviceContext.UpdateSubresource(ref constants, computeBuffer);
_game.DeviceContext.ComputeShader.Set(cs);
_game.DeviceContext.ComputeShader.SetShaderResource(0, srcTextureSRV);
_game.DeviceContext.ComputeShader.SetUnorderedAccessView(0, targetUAV);
_game.DeviceContext.ComputeShader.SetConstantBuffer(0, computeBuffer);
_game.DeviceContext.Dispatch((int)Math.Ceiling(desc.Width / 32.0),
(int)Math.Ceiling(desc.Height / 32.0), 1);
_game.DeviceContext.ComputeShader.SetShaderResource(0, null);
_game.DeviceContext.ComputeShader.SetUnorderedAccessView(0, null);
_game.DeviceContext.ComputeShader.SetConstantBuffer(0, null);
StaticMetods.CopyUAVToSRV(_game.DeviceContext.Device, ref srcTextureSRV, targetUAV);
}
}
return(srcTextureSRV);
}
public Mesh3D(SharpDX.Direct3D11.Device device, AssimpMesh mesh, string texturFolder)
{
Center = mesh.Center;
primitiveType = mesh.primitiveType;
Diff = mesh.Dif;
this._indeces = mesh.Indeces;
this._veteces = mesh.Veteces;
InitBuffers(device);
if (!string.IsNullOrEmpty(mesh.Texture))
{
_textures = StaticMetods.LoadTextureFromFile(device.ImmediateContext, Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, texturFolder + mesh.Texture)));
}
//if (!string.IsNullOrEmpty(mesh.NormalMap))
// _normalMap = StaticMetods.LoadTextureFromFile(device.ImmediateContext, Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, texturFolder + mesh.NormalMap)));
//if (!string.IsNullOrEmpty(mesh.SpecularMap))
// _specularMap = StaticMetods.LoadTextureFromFile(device.ImmediateContext, Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, texturFolder + mesh.SpecularMap)));
//if (!string.IsNullOrEmpty(mesh.DiplacementMap))
// _displacementMap = StaticMetods.LoadTextureFromFile(device.ImmediateContext, Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, texturFolder + mesh.DiplacementMap)));
}
public void Blur(ref ShaderResourceView srcTextureSRV, float fIntencity)
{
var device = _game.DeviceContext.Device;
var context = _game.DeviceContext;
using (var srcTexture = srcTextureSRV.ResourceAs <Texture2D>())
{
var desc = srcTexture.Description;
desc.BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess;
using (var target = new Texture2D(_game.DeviceContext.Device, desc))
using (var targetUAV = new UnorderedAccessView(_game.DeviceContext.Device, target))
using (var targetSRV = new ShaderResourceView(_game.DeviceContext.Device, target))
using (var target2 = new Texture2D(_game.DeviceContext.Device, desc))
using (var target2UAV = new UnorderedAccessView(_game.DeviceContext.Device, target2))
using (var target2SRV = new ShaderResourceView(_game.DeviceContext.Device, target2))
using (var computeBuffer = new Buffer(_game.DeviceContext.Device,
Utilities.SizeOf <ComputeConstants>(),
ResourceUsage.Default,
BindFlags.ConstantBuffer,
CpuAccessFlags.None,
ResourceOptionFlags.None, 0))
using (var horizCS = StaticMetods.GetComputeShader(device, "Shaders\\Filters\\HBlurCS.hlsl", new[] {
new SharpDX.Direct3D.ShaderMacro("THREADSX", 1024),
new SharpDX.Direct3D.ShaderMacro("THREADSY", 1),
}))
using (var vertCS = StaticMetods.GetComputeShader(device, "Shaders\\Filters\\VBlurCS.hlsl", new[] {
new SharpDX.Direct3D.ShaderMacro("THREADSX", 1),
new SharpDX.Direct3D.ShaderMacro("THREADSY", 1024),
}))
{
var constants = new ComputeConstants {
Intensity = fIntencity
};
_game.DeviceContext.UpdateSubresource(ref constants, computeBuffer);
// The first source resource is the original image
context.ComputeShader.SetShaderResource(0, srcTextureSRV);
// The first destination resource is target
context.ComputeShader.SetUnorderedAccessView(0, targetUAV);
// Run the horizontal blur first (order doesn't matter)
context.ComputeShader.Set(horizCS);
_game.DeviceContext.ComputeShader.SetConstantBuffer(0, computeBuffer);
context.Dispatch((int)Math.Ceiling(desc.Width / 1024.0), (int)Math.Ceiling(desc.Height / 1.0), 1);
// We must set the compute shader stage SRV and UAV to
// null between calls to the compute shader
context.ComputeShader.SetShaderResource(0, null);
context.ComputeShader.SetUnorderedAccessView(0, null);
// The second source resource is the first target
context.ComputeShader.SetShaderResource(0, targetSRV);
// The second destination resource is target2
context.ComputeShader.SetUnorderedAccessView(0, target2UAV);
// Run the vertical blur
context.ComputeShader.Set(vertCS);
_game.DeviceContext.ComputeShader.SetConstantBuffer(0, computeBuffer);
context.Dispatch((int)Math.Ceiling(desc.Width / 1.0), (int)Math.Ceiling(desc.Height / 1024.0), 1);
// Set the compute shader stage SRV and UAV to null
context.ComputeShader.SetShaderResource(0, null);
context.ComputeShader.SetUnorderedAccessView(0, null);
_game.DeviceContext.ComputeShader.SetConstantBuffer(0, null);
StaticMetods.CopyUAVToSRV(_game.DeviceContext.Device, ref srcTextureSRV, target2UAV);
}
}
}