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SWDEV-299127 - Support External Mipmap #3306

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SWDEV-299127 - Support External Mipmap #3306

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30 changes: 26 additions & 4 deletions include/hip/hip_runtime_api.h
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Original file line number Diff line number Diff line change
Expand Up @@ -998,6 +998,13 @@ typedef struct hipExternalMemoryBufferDesc_st {
unsigned long long size;
unsigned int flags;
} hipExternalMemoryBufferDesc;
typedef struct hipExternalMemoryMipmappedArrayDesc_st {
unsigned long long offset;
hipChannelFormatDesc formatDesc;
hipExtent extent;
unsigned int flags;
unsigned int numLevels;
} hipExternalMemoryMipmappedArrayDesc;
typedef void* hipExternalMemory_t;
typedef enum hipExternalSemaphoreHandleType_enum {
hipExternalSemaphoreHandleTypeOpaqueFd = 1,
Expand Down Expand Up @@ -2754,6 +2761,25 @@ hipError_t hipExternalMemoryGetMappedBuffer(void **devPtr, hipExternalMemory_t e
* @see
*/
hipError_t hipDestroyExternalMemory(hipExternalMemory_t extMem);
/**
* @brief Maps a mipmapped array onto an external memory object.
*
* @param[out] mipmap mipmapped array to return
* @param[in] extMem external memory object handle
* @param[in] mipmapDesc external mipmapped array descriptor
*
* Returned mipmapped array must be freed using hipFreeMipmappedArray.
*
* @return #hipSuccess, #hipErrorInvalidValue, #hipErrorInvalidResourceHandle
*
* @see hipImportExternalMemory, hipDestroyExternalMemory, hipExternalMemoryGetMappedBuffer, hipFreeMipmappedArray
*/
hipError_t hipExternalMemoryGetMappedMipmappedArray(hipMipmappedArray_t* mipmap, hipExternalMemory_t extMem,
const hipExternalMemoryMipmappedArrayDesc* mipmapDesc);
// end of external resource
/**
* @}
*/
/**
* @brief Allocate memory on the default accelerator
*
Expand All @@ -2767,10 +2793,6 @@ hipError_t hipDestroyExternalMemory(hipExternalMemory_t extMem);
* @see hipMallocPitch, hipFree, hipMallocArray, hipFreeArray, hipMalloc3D, hipMalloc3DArray,
* hipHostFree, hipHostMalloc
*/
// end of external resource
/**
* @}
*/
hipError_t hipMalloc(void** ptr, size_t size);
/**
* @brief Allocate memory on the default accelerator
Expand Down