Texture management

Texture management#

hipError_t hipCreateTextureObject(hipTextureObject_t *pTexObject, const hipResourceDesc *pResDesc, const hipTextureDesc *pTexDesc, const struct hipResourceViewDesc *pResViewDesc)#

Creates a texture object.

Note

3D linear filter isn’t supported on GFX90A boards, on which the API hipCreateTextureObject will return hipErrorNotSupported.

Parameters:

  • pTexObject – [out] pointer to the texture object to create

  • pResDesc – [in] pointer to resource descriptor

  • pTexDesc – [in] pointer to texture descriptor

  • pResViewDesc – [in] pointer to resource view descriptor

Returns:

hipSuccess, hipErrorInvalidValue, hipErrorNotSupported, hipErrorOutOfMemory

hipError_t hipDestroyTextureObject(hipTextureObject_t textureObject)#

Destroys a texture object.

Parameters:

textureObject – [in] texture object to destroy

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipGetChannelDesc(hipChannelFormatDesc *desc, hipArray_const_t array)#

Gets the channel descriptor in an array.

Parameters:

  • desc – [in] pointer to channel format descriptor

  • array – [out] memory array on the device

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipGetTextureObjectResourceDesc(hipResourceDesc *pResDesc, hipTextureObject_t textureObject)#

Gets resource descriptor for the texture object.

Parameters:

  • pResDesc – [out] pointer to resource descriptor

  • textureObject – [in] texture object

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipGetTextureObjectResourceViewDesc(struct hipResourceViewDesc *pResViewDesc, hipTextureObject_t textureObject)#

Gets resource view descriptor for the texture object.

Parameters:

  • pResViewDesc – [out] pointer to resource view descriptor

  • textureObject – [in] texture object

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipGetTextureObjectTextureDesc(hipTextureDesc *pTexDesc, hipTextureObject_t textureObject)#

Gets texture descriptor for the texture object.

Parameters:

  • pTexDesc – [out] pointer to texture descriptor

  • textureObject – [in] texture object

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipTexObjectCreate(hipTextureObject_t *pTexObject, const HIP_RESOURCE_DESC *pResDesc, const HIP_TEXTURE_DESC *pTexDesc, const HIP_RESOURCE_VIEW_DESC *pResViewDesc)#

Creates a texture object.

Parameters:

  • pTexObject – [out] pointer to texture object to create

  • pResDesc – [in] pointer to resource descriptor

  • pTexDesc – [in] pointer to texture descriptor

  • pResViewDesc – [in] pointer to resource view descriptor

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipTexObjectDestroy(hipTextureObject_t texObject)#

Destroys a texture object.

Parameters:

texObject – [in] texture object to destroy

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipTexObjectGetResourceDesc(HIP_RESOURCE_DESC *pResDesc, hipTextureObject_t texObject)#

Gets resource descriptor of a texture object.

Parameters:

  • pResDesc – [out] pointer to resource descriptor

  • texObject – [in] texture object

Returns:

hipSuccess, hipErrorNotSupported, hipErrorInvalidValue

hipError_t hipTexObjectGetResourceViewDesc(HIP_RESOURCE_VIEW_DESC *pResViewDesc, hipTextureObject_t texObject)#

Gets resource view descriptor of a texture object.

Parameters:

  • pResViewDesc – [out] pointer to resource view descriptor

  • texObject – [in] texture object

Returns:

hipSuccess, hipErrorNotSupported, hipErrorInvalidValue

hipError_t hipTexObjectGetTextureDesc(HIP_TEXTURE_DESC *pTexDesc, hipTextureObject_t texObject)#

Gets texture descriptor of a texture object.

Parameters:

  • pTexDesc – [out] pointer to texture descriptor

  • texObject – [in] texture object

Returns:

hipSuccess, hipErrorNotSupported, hipErrorInvalidValue

hipError_t hipMallocMipmappedArray(hipMipmappedArray_t *mipmappedArray, const struct hipChannelFormatDesc *desc, struct hipExtent extent, unsigned int numLevels, unsigned int flags)#

Allocate a mipmapped array on the device.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

  • mipmappedArray – [out] - Pointer to allocated mipmapped array in device memory

  • desc – [in] - Requested channel format

  • extent – [in] - Requested allocation size (width field in elements)

  • numLevels – [in] - Number of mipmap levels to allocate

  • flags – [in] - Flags for extensions

Returns:

hipSuccess, hipErrorInvalidValue, hipErrorMemoryAllocation

hipError_t hipFreeMipmappedArray(hipMipmappedArray_t mipmappedArray)#

Frees a mipmapped array on the device.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

mipmappedArray – [in] - Pointer to mipmapped array to free

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipGetMipmappedArrayLevel(hipArray_t *levelArray, hipMipmappedArray_const_t mipmappedArray, unsigned int level)#

Gets a mipmap level of a HIP mipmapped array.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

  • levelArray – [out] - Returned mipmap level HIP array

  • mipmappedArray – [in] - HIP mipmapped array

  • level – [in] - Mipmap level

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipMipmappedArrayCreate(hipMipmappedArray_t *pHandle, HIP_ARRAY3D_DESCRIPTOR *pMipmappedArrayDesc, unsigned int numMipmapLevels)#

Create a mipmapped array.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

  • pHandle – [out] pointer to mipmapped array

  • pMipmappedArrayDesc – [in] mipmapped array descriptor

  • numMipmapLevels – [in] mipmap level

Returns:

hipSuccess, hipErrorNotSupported, hipErrorInvalidValue

hipError_t hipMipmappedArrayDestroy(hipMipmappedArray_t hMipmappedArray)#

Destroy a mipmapped array.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

hMipmappedArray – [out] pointer to mipmapped array to destroy

Returns:

hipSuccess, hipErrorInvalidValue

hipError_t hipMipmappedArrayGetLevel(hipArray_t *pLevelArray, hipMipmappedArray_t hMipMappedArray, unsigned int level)#

Get a mipmapped array on a mipmapped level.

Note

This API is implemented on Linux and is under development on Microsoft Windows.

Parameters:

  • pLevelArray – [in] Pointer of array

  • hMipMappedArray – [out] Pointer of mipmapped array on the requested mipmap level

  • level – [out] Mipmap level

Returns:

hipSuccess, hipErrorInvalidValue

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