// Compile compute shader from file and add to computeShaders dictionary
public void CompileComputeShader(string csFunction, string csFile = @"Shaders\ImageProcessingCS.hlsl", string csVersion = "cs_5_0")
{
var shaderFlags = ShaderFlags.None;
#if DEBUG
shaderFlags = ShaderFlags.Debug | ShaderFlags.SkipOptimization;
#endif
SharpDX.Direct3D.ShaderMacro[] defines = new[] {
new SharpDX.Direct3D.ShaderMacro("THREADSX", ThreadsX),
new SharpDX.Direct3D.ShaderMacro("THREADSY", ThreadsY),
};
// Use our HLSL file include handler to resolve #include directives in the HLSL source
var includeHandler = new HLSLFileIncludeHandler(System.IO.Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location), "Shaders"));
using (var bytecode = ShaderBytecode.CompileFromFile(csFile, csFunction, csVersion, shaderFlags, EffectFlags.None, defines, includeHandler))
{
computeShaders[csFunction] = ToDispose(new ComputeShader(this.DeviceManager.Direct3DDevice, bytecode));
}
}
/// <summary>
/// Compiles files into shader byte-code and creates a shader from the shader files that exist
/// </summary>
/// <param name="folderPath"></param>
/// <param name="fileName"></param>
public ComputeShader(string folderPath, string fileName)
{
Init();
ShaderFlags shaderFlags = ShaderFlags.Debug;
SharpDX.Direct3D11.ComputeShader computeShader = null;
// Handler for #include directive
HLSLFileIncludeHandler includeHandler = new HLSLFileIncludeHandler(folderPath);
string path = Path.Combine(folderPath, fileName);
if (File.Exists(path))
{
CompilationResult byteCode = ShaderBytecode.CompileFromFile(path, "main", "cs_5_0", shaderFlags,
EffectFlags.None, null, includeHandler);
computeShader = new SharpDX.Direct3D11.ComputeShader(d3dDevice, byteCode);
}
this.computeShader = computeShader;
}
/// <summary>
/// Create any device dependent resources here.
/// This method will be called when the device is first
/// initialized or recreated after being removed or reset.
/// </summary>
protected override void CreateDeviceDependentResources()
{
// Ensure that if already set the device resources
// are correctly disposed of before recreating
RemoveAndDispose(ref vertexShader);
RemoveAndDispose(ref vertexLayout);
RemoveAndDispose(ref vertexBuffer);
// Retrieve our SharpDX.Direct3D11.Device1 instance
var device = DeviceManager.Direct3DDevice;
ShaderFlags shaderFlags = ShaderFlags.None;
#if DEBUG
shaderFlags = ShaderFlags.Debug | ShaderFlags.SkipOptimization;
#endif
// Use our HLSL file include handler to resolve #include directives in the HLSL source
var includeHandler = new HLSLFileIncludeHandler(System.IO.Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location), "Shaders"));
// Compile and create the vertex shader
using (ShaderBytecode vertexShaderBytecode = ShaderBytecode.CompileFromFile(@"Shaders\SAQuad.hlsl", "VSMain", "vs_5_0", shaderFlags, EffectFlags.None, null, includeHandler))
{
vertexShader = ToDispose(new VertexShader(device, vertexShaderBytecode));
// Layout from VertexShader input signature
vertexLayout = ToDispose(new InputLayout(device,
vertexShaderBytecode.GetPart(ShaderBytecodePart.InputSignatureBlob),
//ShaderSignature.GetInputSignature(vertexShaderBytecode),
new[]
{
// "SV_Position" = vertex coordinate
new InputElement("SV_Position", 0, Format.R32G32B32_Float, 0, 0),
}));
// Create vertex buffer
vertexBuffer = ToDispose(Buffer.Create(device, BindFlags.VertexBuffer, new Vector3[] {
/* Position: float x 3 */
new Vector3(-1.0f, -1.0f, -1.0f),
new Vector3(-1.0f, 1.0f, -1.0f),
new Vector3(1.0f, -1.0f, -1.0f),
new Vector3(1.0f, 1.0f, -1.0f),
}));
vertexBinding = new VertexBufferBinding(vertexBuffer, Utilities.SizeOf <Vector3>(), 0);
// Triangle strip:
// v1 v3
// |\ |
// | \ B|
// | A\ |
// | \|
// v0 v2
}
// Compile and create the pixel shader
using (var bytecode = ToDispose(ShaderBytecode.CompileFromFile(@"Shaders\SAQuad.hlsl", "PSMain", "ps_5_0", shaderFlags, EffectFlags.None, null, includeHandler)))
pixelShader = ToDispose(new PixelShader(device, bytecode));
using (var bytecode = ToDispose(ShaderBytecode.CompileFromFile(@"Shaders\SAQuad.hlsl", "PSMainMultisample", "ps_5_0", shaderFlags, EffectFlags.None, null, includeHandler)))
pixelShaderMS = ToDispose(new PixelShader(device, bytecode));
samplerState = ToDispose(new SamplerState(device, new SamplerStateDescription
{
Filter = Filter.MinMagMipLinear,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
ComparisonFunction = Comparison.Never,
MinimumLod = 0,
MaximumLod = float.MaxValue
}));
//pointSamplerState = ToDispose(new SamplerState(device, new SamplerStateDescription
//{
// Filter = Filter.MinMagMipPoint,
// AddressU = TextureAddressMode.Wrap,
// AddressV = TextureAddressMode.Wrap,
// AddressW = TextureAddressMode.Wrap,
// ComparisonFunction = Comparison.Never,
// MinimumLod = 0,
// MaximumLod = float.MaxValue
//}));
}
