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#ifndef NV_NPPI_SUPPORT_FUNCTIONS_H
#define NV_NPPI_SUPPORT_FUNCTIONS_H
 
/**
 * \file nppi_support_functions.h
 * NPP Image Processing Functionality.
 * Image memory management
 */
 
#include "nppdefs.h"


#ifdef __cplusplus
extern "C" {
#endif

/** 
 *  \page image_memory_management Memory Management
 *  @defgroup image_memory_management Memory Management
 *  @ingroup nppi
 *
 * Routines for allocating and deallocating pitched image storage. These methods
 * are provided for convenience. They allocate memory that may contain additional
 * padding bytes at the end of each line of pixels. Though padding is not necessary
 * for any of the NPP image-processing primitives to work correctly, its absense may
 * cause sever performance degradation compared to properly padded images.
 *
 * @{
 *
 * These functions can be found in the nppisu library. Linking to only the sub-libraries that you use can significantly
 * save link time, application load time, and CUDA runtime startup time when using dynamic libraries.
 *
 */

/** @name Image Memory Allocation
 * ImageAllocator methods for 2D arrays of data. The allocators have width and height parameters
 * to specify the size of the image data being allocated. They return a pointer to the
 * newly created memory and return the numbers of bytes between successive lines. 
 *
 * If the memory allocation failed due to lack of free device memory or device memory fragmentation
 * the routine returns 0.
 *
 * All allocators return memory with line strides that are 
 * beneficial for performance. It is not mandatory to use these allocators. Any valid CUDA device-memory
 * pointers can be used by the NPP primitives and there are no restrictions on line strides.
 *
 * @{
 *
 */

/**
 * 8-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp8u  * 
nppiMalloc_8u_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 8-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp8u  * 
nppiMalloc_8u_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 8-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp8u  * 
nppiMalloc_8u_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 8-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp8u  * 
nppiMalloc_8u_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 16-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16u * 
nppiMalloc_16u_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 16-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16u * 
nppiMalloc_16u_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 16-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16u * 
nppiMalloc_16u_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 16-bit unsigned image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16u * 
nppiMalloc_16u_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 16-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16s * 
nppiMalloc_16s_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 16-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16s * 
nppiMalloc_16s_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 16-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16s * 
nppiMalloc_16s_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 1 channel 16-bit signed complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16sc * 
nppiMalloc_16sc_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 16-bit signed complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16sc * 
nppiMalloc_16sc_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 16-bit signed complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16sc * 
nppiMalloc_16sc_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 16-bit signed complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp16sc * 
nppiMalloc_16sc_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 32-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32s * 
nppiMalloc_32s_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 32-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32s * 
nppiMalloc_32s_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 32-bit signed image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32s * 
nppiMalloc_32s_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 32-bit integer complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32sc * 
nppiMalloc_32sc_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 32-bit integer complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32sc * 
nppiMalloc_32sc_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 32-bit integer complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32sc * 
nppiMalloc_32sc_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 32-bit integer complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32sc * 
nppiMalloc_32sc_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);


/**
 * 32-bit floating point image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32f * 
nppiMalloc_32f_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 32-bit floating point image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32f * 
nppiMalloc_32f_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 32-bit floating point image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32f * 
nppiMalloc_32f_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 32-bit floating point image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32f * 
nppiMalloc_32f_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 32-bit float complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32fc * 
nppiMalloc_32fc_C1(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 2 channel 32-bit float complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32fc * 
nppiMalloc_32fc_C2(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 3 channel 32-bit float complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32fc * 
nppiMalloc_32fc_C3(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/**
 * 4 channel 32-bit float complex image memory allocator.
 * \param nWidthPixels Image width.
 * \param nHeightPixels Image height.
 * \param pStepBytes \ref line_step.
 * \return Pointer to new image data.
 */
Npp32fc * 
nppiMalloc_32fc_C4(int nWidthPixels, int nHeightPixels, int * pStepBytes);

/** @} Malloc */


/**
 * Free method for any 2D allocated memory.
 * This method should be used to free memory allocated with any of the nppiMalloc_<modifier> methods.
 * \param pData A pointer to memory allocated using nppiMalloc_<modifier>.
 */
void 
nppiFree(void * pData);

/** @} image_memory_management */

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* NV_NPPI_SUPPORT_FUNCTIONS_H */