/// <summary>
/// Creates a new surface from array memory. Allocates new array.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="format"></param>
/// <param name="width">In elements</param>
/// <param name="height">In elements</param>
/// <param name="depth">In elements</param>
/// <param name="numChannels"></param>
/// <param name="arrayFlags"></param>
public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaArray3DNumChannels numChannels, CUDAArray3DFlags arrayFlags)
{
_surfref = new CUsurfref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success) throw new CudaException(res);
_flags = flags;
_format = format;
_height = height;
_width = width;
_depth = depth;
_numChannels = (int)numChannels;
_name = surfName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_channelSize = CudaHelperMethods.GetChannelSize(format);
_dataSize = height * width * depth * _numChannels * _channelSize;
_array = new CudaArray3D(format, width, height, depth, numChannels, arrayFlags);
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success) throw new CudaException(res);
}
/// <summary>
/// Returns a module handle<para/>
/// Returns in \p *hmod the handle of the module that function \p hfunc
/// is located in. The lifetime of the module corresponds to the lifetime of
/// the context it was loaded in or until the module is explicitly unloaded.<para/>
/// The CUDA runtime manages its own modules loaded into the primary context.
/// If the handle returned by this API refers to a module loaded by the CUDA runtime,
/// calling ::cuModuleUnload() on that module will result in undefined behavior.
/// </summary>
public CUmodule GetModule()
{
CUmodule temp = new CUmodule();
CUResult res = DriverAPINativeMethods.FunctionManagement.cuFuncGetModule(ref temp, this);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuFuncGetModule", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(temp);
}
public static extern CUResult cuModuleGetSurfRef(ref CUsurfref pSurfRef, CUmodule hmod, string name);
public static extern CUResult cuModuleGetTexRef(ref CUtexref pTexRef, CUmodule hmod, string name);
public static extern CUResult cuModuleGetGlobal_v2(ref CUdeviceptr dptr, ref SizeT bytes, CUmodule hmod, string name);
public static extern CUResult cuModuleGetFunction(ref CUfunction hfunc, CUmodule hmod, string name);
public static extern CUResult cuModuleUnload(CUmodule hmod);
public static extern CUResult cuModuleLoadFatBinary(ref CUmodule module, [In] byte[] fatCubin);
public static extern CUResult cuModuleLoadDataEx(ref CUmodule module, [In] byte[] image, uint numOptions, [In] CUJITOption[] options, [In, Out] IntPtr[] optionValues);
public static extern CUResult cuModuleLoadData(ref CUmodule module, [In] byte[] image);
public static extern CUResult cuModuleLoad(ref CUmodule module, string fname);
/// <summary>
/// Creates a new surface from array memory.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="array"></param>
public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CudaArray3D array)
{
_surfref = new CUsurfref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success) throw new CudaException(res);
_flags = flags;
_format = array.Array3DDescriptor.Format;
_height = array.Height;
_width = array.Width;
_depth = array.Depth;
_numChannels = (int)array.Array3DDescriptor.NumChannels;
_name = surfName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_channelSize = CudaHelperMethods.GetChannelSize(array.Array3DDescriptor.Format);
_dataSize = array.Height * array.Width * array.Depth * array.Array3DDescriptor.NumChannels * _channelSize;
_array = array;
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success) throw new CudaException(res);
}
public GpuMathOperations()
{
this.cuBlas = new CudaBlas();
this.cudaContext = new CudaContext();
this.cuModule = cudaContext.LoadModulePTX(kernalFile);
this.maxThreadPerBlockDim = (int)Math.Sqrt(this.cudaContext.GetDeviceInfo().MaxThreadsPerBlock);
}
/// <summary>
/// Creates a new mipmapped texture from array memory. Allocates a new mipmapped array.
/// </summary>
/// <param name="kernel"></param>
/// <param name="texName"></param>
/// <param name="addressMode0"></param>
/// <param name="addressMode1"></param>
/// <param name="addressMode2"></param>
/// <param name="filterMode"></param>
/// <param name="flags"></param>
/// <param name="descriptor"></param>
/// <param name="numMipmapLevels"></param>
/// <param name="maxAniso"></param>
/// <param name="mipmapFilterMode"></param>
/// <param name="mipmapLevelBias"></param>
/// <param name="minMipmapLevelClamp"></param>
/// <param name="maxMipmapLevelClamp"></param>
public CudaTextureMipmappedArray(CudaKernel kernel, string texName, CUAddressMode addressMode0, CUAddressMode addressMode1, CUAddressMode addressMode2,
CUFilterMode filterMode, CUTexRefSetFlags flags, CUDAArray3DDescriptor descriptor, uint numMipmapLevels,
uint maxAniso, CUFilterMode mipmapFilterMode, float mipmapLevelBias, float minMipmapLevelClamp, float maxMipmapLevelClamp)
{
_maxAniso = maxAniso;
_mipmapFilterMode = mipmapFilterMode;
_mipmapLevelBias = mipmapLevelBias;
_minMipmapLevelClamp = minMipmapLevelClamp;
_maxMipmapLevelClamp = maxMipmapLevelClamp;
_texref = new CUtexref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetTexRef(ref _texref, kernel.CUModule, texName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Texture name: {3}", DateTime.Now, "cuModuleGetTexRef", res, texName));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetAddressMode(_texref, 0, addressMode0);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetAddressMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetAddressMode(_texref, 1, addressMode1);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetAddressMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetAddressMode(_texref, 2, addressMode2);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetAddressMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFilterMode(_texref, filterMode);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFilterMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFlags(_texref, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFlags", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFormat(_texref, descriptor.Format, (int)descriptor.NumChannels);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFormat", res));
if (res != CUResult.Success) throw new CudaException(res);
_filtermode = filterMode;
_flags = flags;
_addressMode0 = addressMode0;
_addressMode1 = addressMode1;
_addressMode2 = addressMode2;
_arrayDescriptor = descriptor;
_name = texName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_array = new CudaMipmappedArray(descriptor, numMipmapLevels);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetMipmappedArray(_texref, _array.CUMipmappedArray, CUTexRefSetArrayFlags.OverrideFormat);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMipmappedArray", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetMaxAnisotropy(_texref, maxAniso);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMaxAnisotropy", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetMipmapFilterMode(_texref, mipmapFilterMode);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMipmapFilterMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetMipmapLevelBias(_texref, mipmapLevelBias);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMipmapLevelBias", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetMipmapLevelClamp(_texref, minMipmapLevelClamp, maxMipmapLevelClamp);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMipmapLevelClamp", res));
if (res != CUResult.Success) throw new CudaException(res);
}
private void InitializeCUDA()
{
context = new CudaContext(CudaContext.GetMaxGflopsDevice(), graphicsDevice.ComPointer, CUCtxFlags.SchedAuto, CudaContext.DirectXVersion.D3D11);
module = context.LoadModulePTX(@"Kernels\kernel.ptx");
kernelPositionWeightNoiseCube = new CudaKernel("position_weight_noise_cube", module, context);
kernelNormalAmbient = new CudaKernel("normal_ambient", module, context);
kernelMarchingCubesCases = new CudaKernel("marching_cubes_cases", module, context);
kernelMarchingCubesVertices = new CudaKernel("marching_cubes_vertices", module, context);
kernelPositionWeightNoiseCubeWarp = new CudaKernel("position_weight_noise_cube_warp", module, context);
kernelPositionWeightFormula = new CudaKernel("position_weight_formula", module, context);
prefixScan = new CUDAPrefixScan(module, context);
}
/// <summary>
/// Creates a new 2D texture from array memory. Allocates a new 2D array.
/// </summary>
/// <param name="kernel"></param>
/// <param name="texName"></param>
/// <param name="addressMode0"></param>
/// <param name="addressMode1"></param>
/// <param name="filterMode"></param>
/// <param name="flags"></param>
/// <param name="format"></param>
/// <param name="height">In elements</param>
/// <param name="width">In elements</param>
/// <param name="numChannels">1,2 or 4</param>
public CudaTextureArray2D(CudaKernel kernel, string texName, CUAddressMode addressMode0, CUAddressMode addressMode1, CUFilterMode filterMode, CUTexRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, CudaArray2DNumChannels numChannels)
{
_texref = new CUtexref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetTexRef(ref _texref, kernel.CUModule, texName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Texture name: {3}", DateTime.Now, "cuModuleGetTexRef", res, texName));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetAddressMode(_texref, 0, addressMode0);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetAddressMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetAddressMode(_texref, 1, addressMode1);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetAddressMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFilterMode(_texref, filterMode);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFilterMode", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFlags(_texref, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFlags", res));
if (res != CUResult.Success) throw new CudaException(res);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetFormat(_texref, format, (int)numChannels);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetFormat", res));
if (res != CUResult.Success) throw new CudaException(res);
_filtermode = filterMode;
_flags = flags;
_addressMode0 = addressMode0;
_addressMode1 = addressMode1;
_format = format;
_height = height;
_width = width;
_numChannels = (int)numChannels;
_name = texName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_channelSize = CudaHelperMethods.GetChannelSize(format);
_dataSize = height * width * _numChannels * _channelSize;
_array = new CudaArray2D(format, width, height, numChannels);
res = DriverAPINativeMethods.TextureReferenceManagement.cuTexRefSetArray(_texref, _array.CUArray, CUTexRefSetArrayFlags.OverrideFormat);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetArray", res));
if (res != CUResult.Success) throw new CudaException(res);
//res = DriverAPINativeMethods.ParameterManagement.cuParamSetTexRef(kernel.CUFunction, CUParameterTexRef.Default, _texref);
//Debug.WriteLine("{0:G}, {1}: {2}", DateTime.Now, "cuParamSetTexRef", res);
//if (res != CUResult.Success) throw new CudaException(res);
}