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166 Module DocumentationParameters:pFormat - Returned formatpNumPackedComponents - Returned number of componentshTexRef - Texture referenceReturns:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:cuTexRefCreate, cuTexRefDestroy, cuTexRefSetAddress, cuTexRefSetAddress2D, cuTexRefSetAddressMode,cuTexRefSetArray, cuTexRefSetFilterMode, cuTexRefSetFlags, cuTexRefSetFormat, cuTexRefGetAddress, cu-TexRefGetAddressMode, cuTexRefGetArray, cuTexRefGetFilterMode, cuTexRefGetFlags3.26.2.9 CUresult cuTexRefSetAddress (unsigned int ∗ pOffset, CUtexref hTexRef, CUdeviceptr dptr,unsigned int bytes)Binds a linear address range to the texture reference hTexRef. Any previous address or CUDA array state associatedwith the texture reference is superseded by this function. Any memory previously bound to hTexRef is unbound.Since the hardware enforces an alignment requirement on texture base addresses, cuTexRefSetAddress() passes backa byte offset in ∗pOffset that must be applied to texture fetches in order to read from the desired memory. Thisoffset must be divided by the texel size and passed to kernels that read from the texture so they can be applied to thetex1Dfetch() function.If the device memory pointer was returned from cuMemAlloc(), the offset is guaranteed to be 0 and NULL may bepassed as the pOffset parameter.Parameters:pOffset - Returned byte offsethTexRef - Texture reference to binddptr - Device pointer to bindbytes - Size of memory to bind in bytesReturns:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:cuTexRefCreate, cuTexRefDestroy, cuTexRefSetAddress2D, cuTexRefSetAddressMode, cuTexRefSetArray, cu-TexRefSetFilterMode, cuTexRefSetFlags, cuTexRefSetFormat, cuTexRefGetAddress, cuTexRefGetAddress-Mode, cuTexRefGetArray, cuTexRefGetFilterMode, cuTexRefGetFlags, cuTexRefGetFormat3.26.2.10 CUresult cuTexRefSetAddress2D (CUtexref hTexRef, const CUDA_ARRAY_DESCRIPTOR ∗desc, CUdeviceptr dptr, unsigned int PitchInBytes)Binds a linear address range to the texture reference hTexRef. Any previous address or CUDA array state associatedwith the texture reference is superseded by this function. Any memory previously bound to hTexRef is unbound.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.26 Texture Reference Management 167When using a tex2D() function inside a kernel, we have to either call cuTexRefSetArray() to bind the correspondingtexture reference to an array, or cuTexRefSetAddress2D() to bind the texture reference to linear memory.Function calls to cuTexRefSetFormat() cannot follow calls to cuTexRefSetAddress2D() for the same texture reference.Parameters:hTexRef - Texture reference to binddesc - Descriptor of CUDA arraydptr - Device pointer to bindPitchInBytes - Line pitch in bytesReturns:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:cuTexRefCreate, cuTexRefDestroy, cuTexRefSetAddress, cuTexRefSetAddressMode, cuTexRefSetArray, cu-TexRefSetFilterMode, cuTexRefSetFlags, cuTexRefSetFormat, cuTexRefGetAddress, cuTexRefGetAddress-Mode, cuTexRefGetArray, cuTexRefGetFilterMode, cuTexRefGetFlags, cuTexRefGetFormat3.26.2.11 CUresult cuTexRefSetAddressMode (CUtexref hTexRef, int Dim, CUaddress_mode am)Specifies the addressing mode am for the given dimension Dim of the texture reference hTexRef. If Dim is zero,the addressing mode is applied to the first parameter of the functions used to fetch from the texture; if Dim is 1, thesecond, and so on. CUaddress_mode is defined as:typedef enum CUaddress_mode_enum {CU_TR_ADDRESS_MODE_WRAP = 0,CU_TR_ADDRESS_MODE_CLAMP = 1,CU_TR_ADDRESS_MODE_MIRROR = 2,} CUaddress_mode;Note that this call has no effect if hTexRef is bound to linear memory.Parameters:hTexRef - Texture referenceDim - Dimensionam - Addressing mode to setReturns:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:cuTexRefCreate, cuTexRefDestroy, cuTexRefSetAddress, cuTexRefSetAddress2D, cuTexRefSetArray, cu-TexRefSetFilterMode, cuTexRefSetFlags, cuTexRefSetFormat, cuTexRefGetAddress, cuTexRefGetAddress-Mode, cuTexRefGetArray, cuTexRefGetFilterMode, cuTexRefGetFlags, cuTexRefGetFormatGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
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NVIDIA CUDAReference ManualVersion
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iiCONTENTS3.5 Stream Management . .
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ivCONTENTS3.10 Direct3D 9 Interoper
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viCONTENTS3.15.2.2 cudaComputeMode
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viiiCONTENTS3.24.2.11 cuParamSetv .
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xCONTENTS3.28.2.3 cuD3D9GetDirect3D
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40 Module DocumentationcudaMemcpy3D
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114 Module Documentation3.22 Stream
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224 INDEXCUDA_TYPES, 200CUctx_flags
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226 INDEXCU_FUNC_ATTRIBUTE_MAX_THRE
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228 INDEXcudaD3D9ResourceSetMapFlag
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230 INDEXcudaMemcpyToArrayCUDART_ME
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232 INDEXcudaStream_t, 91CUDART_VER
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