/// <summary>
/// Creates a CUDA mipmapped array from an existing mipmap array handle.
/// </summary>
/// <param name="handle">handle to wrap</param>
/// <param name="format">Array format of the wrapped array. Cannot be gathered through CUDA API.</param>
/// <param name="numChannels">Number of channels of wrapped array.</param>
public CudaMipmappedArray(CUmipmappedArray handle, CUArrayFormat format, CudaMipmappedArrayNumChannels numChannels)
{
_mipmappedArray = handle;
_arrayDescriptor = new CUDAArray3DDescriptor();
_arrayDescriptor.Format = format;
_arrayDescriptor.NumChannels = (uint)numChannels;
_isOwner = false;
}
/// <summary>
/// Creates a CUDA mipmapped array according to <c>descriptor</c>. <para/>
/// Width, Height, and Depth are the width, height, and depth of the CUDA array (in elements); the following
/// types of CUDA arrays can be allocated:<para/>
/// – A 1D mipmapped array is allocated if Height and Depth extents are both zero.<para/>
/// – A 2D mipmapped array is allocated if only Depth extent is zero.<para/>
/// – A 3D mipmapped array is allocated if all three extents are non-zero.<para/>
/// – A 1D layered CUDA mipmapped array is allocated if only Height is zero and the <see cref="CUDAArray3DFlags.Layered"/>
/// flag is set. Each layer is a 1D array. The number of layers is determined by the depth extent.<para/>
/// – A 2D layered CUDA mipmapped array is allocated if all three extents are non-zero and the <see cref="CUDAArray3DFlags.Layered"/>
/// flag is set. Each layer is a 2D array. The number of layers is determined by the depth extent.<para/>
/// – A cubemap CUDA mipmapped array is allocated if all three extents are non-zero and the <see cref="CUDAArray3DFlags.Cubemap"/>
/// flag is set. Width must be equal to Height, and Depth must be six. A
/// cubemap is a special type of 2D layered CUDA array, where the six layers represent the six faces of a
/// cube. The order of the six layers in memory is the same as that listed in CUarray_cubemap_face.<para/>
/// – A cubemap layered CUDA mipmapped array is allocated if all three extents are non-zero, and both,
/// <see cref="CUDAArray3DFlags.Cubemap"/> and <see cref="CUDAArray3DFlags.Layered"/> flags are set. Width must be equal
/// to Height, and Depth must be a multiple of six. A cubemap layered CUDA array is a special type of
/// 2D layered CUDA array that consists of a collection of cubemaps. The first six layers represent the first
/// cubemap, the next six layers form the second cubemap, and so on.<para/>
/// Flags may be set to:<para/>
/// – <see cref="CUDAArray3DFlags.Layered"/> to enable creation of layered CUDA mipmapped arrays. If this flag is set,
/// Depth specifies the number of layers, not the depth of a 3D array.<para/>
/// – <see cref="CUDAArray3DFlags.Cubemap"/> to enable creation of mipmapped cubemaps. If this flag is set, Width
/// must be equal to Height, and Depth must be six. If the CUDA_ARRAY3D_LAYERED flag is also set,
/// then Depth must be a multiple of six.<para/>
/// – <see cref="CUDAArray3DFlags.TextureGather"/> to indicate that the CUDA mipmapped array will be used for
/// texture gather. Texture gather can only be performed on 2D CUDA mipmapped arrays.
/// </summary>
/// <param name="descriptor">mipmapped array descriptor</param>
/// <param name="numMipmapLevels">Number of mipmap levels. This value is clamped to the range [1, 1 + floor(log2(max(width, height, depth)))]</param>
public CudaMipmappedArray(CUDAArray3DDescriptor descriptor, uint numMipmapLevels)
{
_mipmappedArray = new CUmipmappedArray();
_arrayDescriptor = descriptor;
res = DriverAPINativeMethods.ArrayManagement.cuMipmappedArrayCreate(ref _mipmappedArray, ref _arrayDescriptor, numMipmapLevels);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMipmappedArrayCreate", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = true;
}
/// <summary>
/// Creates a new CUDA array from an existing CUarray.
/// Array properties are obtained by cuArrayGetDescriptor
/// </summary>
/// <param name="cuArray"></param>
/// <param name="isOwner">The cuArray will be destroyed while disposing, if the CudaArray is the owner</param>
public CudaArray3D(CUarray cuArray, bool isOwner)
{
_cuArray = cuArray;
_array3DDescriptor = new CUDAArray3DDescriptor();
res = DriverAPINativeMethods.ArrayManagement.cuArray3DGetDescriptor_v2(ref _array3DDescriptor, _cuArray);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuArray3DGetDescriptor", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = isOwner;
}
/// <summary>
/// Creates a CUDA mipmapped array according to <c>descriptor</c>. <para/>
/// Width, Height, and Depth are the width, height, and depth of the CUDA array (in elements); the following
/// types of CUDA arrays can be allocated:<para/>
/// – A 1D mipmapped array is allocated if Height and Depth extents are both zero.<para/>
/// – A 2D mipmapped array is allocated if only Depth extent is zero.<para/>
/// – A 3D mipmapped array is allocated if all three extents are non-zero.<para/>
/// – A 1D layered CUDA mipmapped array is allocated if only Height is zero and the <see cref="CUDAArray3DFlags.Layered"/>
/// flag is set. Each layer is a 1D array. The number of layers is determined by the depth extent.
/// – A 2D layered CUDA mipmapped array is allocated if all three extents are non-zero and the <see cref="CUDAArray3DFlags.Layered"/>
/// flag is set. Each layer is a 2D array. The number of layers is determined by the depth extent.
/// – A cubemap CUDA mipmapped array is allocated if all three extents are non-zero and the <see cref="CUDAArray3DFlags.Cubemap"/>
/// flag is set. Width must be equal to Height, and Depth must be six. A
/// cubemap is a special type of 2D layered CUDA array, where the six layers represent the six faces of a
/// cube. The order of the six layers in memory is the same as that listed in CUarray_cubemap_face.
/// – A cubemap layered CUDA mipmapped array is allocated if all three extents are non-zero, and both,
/// <see cref="CUDAArray3DFlags.Cubemap"/> and <see cref="CUDAArray3DFlags.Layered"/> flags are set. Width must be equal
/// to Height, and Depth must be a multiple of six. A cubemap layered CUDA array is a special type of
/// 2D layered CUDA array that consists of a collection of cubemaps. The first six layers represent the first
/// cubemap, the next six layers form the second cubemap, and so on.
/// </summary>
/// <param name="format">Array format</param>
/// <param name="width">Array width. See general description.</param>
/// <param name="height">Array height. See general description.</param>
/// <param name="depth">Array depth or layer count. See general description.</param>
/// <param name="numChannels">number of channels</param>
/// <param name="flags">Flags may be set to:<para/>
/// – <see cref="CUDAArray3DFlags.Layered"/> to enable creation of layered CUDA mipmapped arrays. If this flag is set,
/// Depth specifies the number of layers, not the depth of a 3D array.<para/>
/// – <see cref="CUDAArray3DFlags.Cubemap"/> to enable creation of mipmapped cubemaps. If this flag is set, Width
/// must be equal to Height, and Depth must be six. If the CUDA_ARRAY3D_LAYERED flag is also set,
/// then Depth must be a multiple of six.<para/>
/// – <see cref="CUDAArray3DFlags.TextureGather"/> to indicate that the CUDA mipmapped array will be used for
/// texture gather. Texture gather can only be performed on 2D CUDA mipmapped arrays.</param>
/// <param name="numMipmapLevels">Number of mipmap levels. This value is clamped to the range [1, 1 + floor(log2(max(width, height, depth)))]</param>
public CudaMipmappedArray(CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaMipmappedArrayNumChannels numChannels, CUDAArray3DFlags flags, uint numMipmapLevels)
{
_mipmappedArray = new CUmipmappedArray();
_arrayDescriptor = new CUDAArray3DDescriptor();
_arrayDescriptor.Width = width;
_arrayDescriptor.Height = height;
_arrayDescriptor.Depth = depth;
_arrayDescriptor.NumChannels = (uint)numChannels;
_arrayDescriptor.Flags = flags;
_arrayDescriptor.Format = format;
res = DriverAPINativeMethods.ArrayManagement.cuMipmappedArrayCreate(ref _mipmappedArray, ref _arrayDescriptor, numMipmapLevels);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMipmappedArrayCreate", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = true;
}
/// <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.Write("");//Line(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.Write("");//Line(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.Write("");//Line(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.Write("");//Line(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.Write("");//Line(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.Write("");//Line(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.Write("");//Line(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.Write(""); //Line(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.Write(""); //Line(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.Write(""); //Line(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.Write(""); //Line(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.Write(""); //Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuTexRefSetMipmapLevelClamp", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <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="addressModeForAllDimensions"></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 addressModeForAllDimensions,
CUFilterMode filterMode, CUTexRefSetFlags flags, CUDAArray3DDescriptor descriptor, uint numMipmapLevels,
uint maxAniso, CUFilterMode mipmapFilterMode, float mipmapLevelBias, float minMipmapLevelClamp, float maxMipmapLevelClamp)
: this(kernel, texName, addressModeForAllDimensions, addressModeForAllDimensions, addressModeForAllDimensions, filterMode, flags, descriptor,
numMipmapLevels, maxAniso, mipmapFilterMode, mipmapLevelBias, minMipmapLevelClamp, maxMipmapLevelClamp)
{
}
