helpers.h File Reference

Go to the source code of this file.

Data Structures
struct	Vector
	Structure to hold Vector information. More...
struct	Image
	Structure to hold Image information. More...
struct	Tensor3D
	Structure to hold 3D tensor information. More...
struct	Tensor4D
	Structure to hold 4D tensor information. More...

Macros
#define	EXPAND(x)   x
#define	CLAMP(x, min_val, max_val)   min(max(x, min_val), max_val)
#define	VLOAD_STR(size)   vload##size
#define	VLOAD(size)   VLOAD_STR(size)
#define	VSTORE_STR(size)   vstore##size
#define	VSTORE(size)   VSTORE_STR(size)
#define	VEC_DATA_TYPE_STR(type, size)   type##size
#define	VEC_DATA_TYPE(type, size)   VEC_DATA_TYPE_STR(type, size)
#define	CL_VEC_DATA_TYPE_STR(type, size)   type##size
#define	CL_VEC_DATA_TYPE(type, size)   CL_VEC_DATA_TYPE_STR(type, size)
#define	CONVERT_STR(x, type)   (convert_##type((x)))
#define	CONVERT(x, type)   CONVERT_STR(x, type)
#define	CONVERT_SAT_STR(x, type)   (convert_##type##_sat((x)))
#define	CONVERT_SAT(x, type)   CONVERT_SAT_STR(x, type)
#define	CONVERT_SAT_ROUND_STR(x, type, round)   (convert_##type##_sat_##round((x)))
#define	CONVERT_SAT_ROUND(x, type, round)   CONVERT_SAT_ROUND_STR(x, type, round)
#define	VECTOR_DECLARATION(name)
#define	IMAGE_DECLARATION(name)
#define	TENSOR3D_DECLARATION(name)
#define	TENSOR4D_DECLARATION(name)
#define	CONVERT_TO_VECTOR_STRUCT(name)   update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x)
#define	CONVERT_TO_VECTOR_STRUCT_NO_STEP(name)   update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0)
#define	CONVERT_TO_IMAGE_STRUCT(name)   update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y)
#define	CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)   update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0)
#define	CONVERT_TENSOR3D_TO_IMAGE_STRUCT(name)   update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, name##_stride_z, name##_step_z)
#define	CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(name)   update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, name##_step_z)
#define	CONVERT_TENSOR3D_TO_IMAGE_STRUCT(name)   update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, name##_stride_z, name##_step_z)
#define	CONVERT_TO_TENSOR3D_STRUCT(name)
#define	CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(name)   update_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, 0)
#define	CONVERT_TO_TENSOR4D_STRUCT(name, mod_size)
#define	CONVERT_TO_TENSOR4D_STRUCT_NO_STEP(name, mod_size)   update_tensor4D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, 0, name##_stride_w, 0, mod_size)

Typedefs
typedef struct Vector	Vector
	Structure to hold Vector information. More...
typedef struct Image	Image
	Structure to hold Image information. More...
typedef struct Tensor3D	Tensor3D
	Structure to hold 3D tensor information. More...
typedef struct Tensor4D	Tensor4D
	Structure to hold 4D tensor information. More...

Functions
Vector	update_vector_workitem_ptr (__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x)
	Wrap vector information into an Vector structure, and make the pointer point at this workitem's data. More...
Image	update_image_workitem_ptr (__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y)
	Wrap image information into an Image structure, and make the pointer point at this workitem's data. More...
Image	update_image_from_tensor3D_workitem_ptr (__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y, uint stride_z, uint step_z)
	Wrap 3D tensor information into an image structure, and make the pointer point at this workitem's data. More...
Tensor3D	update_tensor3D_workitem_ptr (__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y, uint stride_z, uint step_z)
	Wrap 3D tensor information into an tensor structure, and make the pointer point at this workitem's data. More...
Tensor4D	update_tensor4D_workitem_ptr (__global uchar *ptr, uint offset_first_element_in_bytes, uint stride_x, uint step_x, uint stride_y, uint step_y, uint stride_z, uint step_z, uint stride_w, uint step_w, uint mod_size)
__global const uchar *	vector_offset (const Vector *vec, int x)
	Get the pointer position of a Vector. More...
__global uchar *	offset (const Image *img, int x, int y)
	Get the pointer position of a Image. More...
__global const uchar *	tensor3D_offset (const Tensor3D *tensor, int x, int y, int z)
	Get the pointer position of a Tensor3D. More...
__global const uchar *	tensor4D_offset (const Tensor4D *tensor, int x, int y, int z, int w)
	Get the pointer position of a Tensor4D. More...

Macro Definition Documentation

#define CL_VEC_DATA_TYPE	(		type,
			size
	)		CL_VEC_DATA_TYPE_STR(type, size)

Definition at line 51 of file helpers.h.

Referenced by softmax_layer_max_shift_exp_sum_serial().

#define CL_VEC_DATA_TYPE_STR	(		type,
			size
	)		type##size

Definition at line 50 of file helpers.h.

#define CLAMP	(		x,
			min_val,
			max_val
	)		min(max(x, min_val), max_val)

Definition at line 39 of file helpers.h.

#define CONVERT	(		x,
			type
	)		CONVERT_STR(x, type)

Definition at line 54 of file helpers.h.

#define CONVERT_SAT	(		x,
			type
	)		CONVERT_SAT_STR(x, type)

Definition at line 57 of file helpers.h.

#define CONVERT_SAT_ROUND	(		x,
			type,
			round
	)		CONVERT_SAT_ROUND_STR(x, type, round)

Definition at line 60 of file helpers.h.

Referenced by combine_gradients_L2().

#define CONVERT_SAT_ROUND_STR	(		x,
			type,
			round
	)		(convert_##type##_sat_##round((x)))

Definition at line 59 of file helpers.h.

#define CONVERT_SAT_STR	(		x,
			type
	)		(convert_##type##_sat((x)))

Definition at line 56 of file helpers.h.

#define CONVERT_STR	(		x,
			type
	)		(convert_##type((x)))

Definition at line 53 of file helpers.h.

#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT

(

name

)

update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, name##_stride_z, name##_step_z)

Definition at line 116 of file helpers.h.

Referenced by output_stage_quantized(), softmax_layer_max_shift_exp_sum_parallel(), softmax_layer_max_shift_exp_sum_serial(), and softmax_layer_norm().

#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT

(

name

)

update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, name##_stride_z, name##_step_z)

Definition at line 116 of file helpers.h.

#define CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP

(

name

)

update_image_from_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, name##_step_z)

Definition at line 113 of file helpers.h.

Referenced by fill_image_borders_constant(), fill_image_borders_replicate(), and softmax_layer_norm().

#define CONVERT_TO_IMAGE_STRUCT

(

name

)

update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y)

Definition at line 104 of file helpers.h.

Referenced by absdiff(), accumulate(), accumulate_squared(), accumulate_weighted(), bitwise_and(), bitwise_not(), bitwise_or(), bitwise_xor(), channel_combine_NV(), channel_combine_RGB888(), channel_combine_RGBA8888(), channel_combine_UYVY422(), channel_combine_YUYV422(), channel_extract_NV12(), channel_extract_NV21(), channel_extract_RGB888(), channel_extract_RGBA8888(), channel_extract_UYVY422(), channel_extract_YUYV422(), combine_gradients_L1(), combine_gradients_L2(), convert_depth_down(), convert_depth_up(), convolution3x3_static(), convolution5x5_static(), convolution7x7_static(), convolution9x9_static(), convolution_rectangle(), convolution_separable1x5_static(), convolution_separable1x7_static(), convolution_separable1x9_static(), convolution_separable5x1_static(), convolution_separable7x1_static(), convolution_separable9x1_static(), copy_plane(), copy_planes_3p(), copy_to_keypoint(), deconvolution_upsample(), derivative(), dilate(), erode(), fast_corners(), gaussian1x5_sub_x(), gaussian5x1_sub_y(), harris_score_3x3(), harris_score_5x5(), harris_score_7x7(), hist_border_kernel(), hist_border_kernel_fixed(), hist_local_kernel(), hist_local_kernel_fixed(), integral_horizontal(), integral_vertical(), IYUV_to_NV12_bt709(), IYUV_to_RGB888_bt709(), IYUV_to_RGBA8888_bt709(), IYUV_to_YUV444_bt709(), magnitude_phase(), mean_stddev_accumulate(), minmax(), minmaxloc(), non_linear_filter_box3x3(), non_linear_filter_box5x5(), non_linear_filter_cross3x3(), non_linear_filter_cross5x5(), non_linear_filter_disk3x3(), non_linear_filter_disk5x5(), non_max_suppression(), NV12_to_IYUV_bt709(), NV12_to_RGB888_bt709(), NV12_to_RGBA8888_bt709(), NV12_to_YUV444_bt709(), NV21_to_IYUV_bt709(), NV21_to_RGB888_bt709(), NV21_to_RGBA8888_bt709(), NV21_to_YUV444_bt709(), reduction_operation(), remap_bilinear(), remap_nearest_neighbour(), RGB888_to_IYUV_bt709(), RGB888_to_NV12_bt709(), RGB888_to_RGBA8888_bt709(), RGB888_to_YUV444_bt709(), RGBA8888_to_IYUV_bt709(), RGBA8888_to_NV12_bt709(), RGBA8888_to_RGB888_bt709(), RGBA8888_to_YUV444_bt709(), scale_bilinear(), scale_nearest_neighbour(), scharr3x3(), sobel3x3(), sobel_separable1x5(), sobel_separable1x7(), sobel_separable5x1(), sobel_separable7x1(), suppress_non_maximum(), tablelookup_S16(), tablelookup_U8(), threshold_binary(), threshold_range(), transpose(), UYVY422_to_IYUV_bt709(), UYVY422_to_NV12_bt709(), UYVY422_to_RGB888_bt709(), UYVY422_to_RGBA8888_bt709(), warp_affine_bilinear(), warp_affine_nearest_neighbour(), warp_perspective_bilinear(), warp_perspective_nearest_neighbour(), YUYV422_to_IYUV_bt709(), YUYV422_to_NV12_bt709(), YUYV422_to_RGB888_bt709(), and YUYV422_to_RGBA8888_bt709().

#define CONVERT_TO_IMAGE_STRUCT_NO_STEP

(

name

)

update_image_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0)

Definition at line 107 of file helpers.h.

Referenced by hysteresis(), lktracker_stage0(), lktracker_stage1(), remap_bilinear(), remap_nearest_neighbour(), scale_bilinear(), scale_nearest_neighbour(), warp_affine_bilinear(), warp_affine_nearest_neighbour(), warp_perspective_bilinear(), and warp_perspective_nearest_neighbour().

#define CONVERT_TO_TENSOR3D_STRUCT

(

name

)

Value:

update_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, \
                                 name##_stride_z, name##_step_z)

Definition at line 119 of file helpers.h.

Referenced by arithmetic_add(), arithmetic_sub(), concatenate_depth(), concatenate_width(), dequantization_layer(), floor_layer(), normalization_layer_cross_map(), normalization_layer_in_map(), pixelwise_mul_float(), pixelwise_mul_int(), pooling_layer_2(), pooling_layer_3(), pooling_layer_MxN_nhwc(), pooling_layer_MxN_quantized_nchw(), pooling_layer_MxN_quantized_nhwc(), quantization_layer(), and reshape_layer().

#define CONVERT_TO_TENSOR3D_STRUCT_NO_STEP

(

name

)

update_tensor3D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, 0)

Definition at line 123 of file helpers.h.

Referenced by reshape_layer(), and roi_pooling_layer().

#define CONVERT_TO_TENSOR4D_STRUCT	(		name,
			mod_size
	)

Value:

update_tensor4D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x, name##_stride_y, name##_step_y, \
                                 name##_stride_z, name##_step_z, name##_stride_w, name##_step_w, mod_size)

Definition at line 126 of file helpers.h.

#define CONVERT_TO_TENSOR4D_STRUCT_NO_STEP	(		name,
			mod_size
	)		update_tensor4D_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0, name##_stride_y, 0, name##_stride_z, 0, name##_stride_w, 0, mod_size)

Definition at line 130 of file helpers.h.

#define CONVERT_TO_VECTOR_STRUCT

(

name

)

update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, name##_step_x)

Definition at line 98 of file helpers.h.

Referenced by copy_tensor(), dequantization_layer(), and l2_normalize().

#define CONVERT_TO_VECTOR_STRUCT_NO_STEP

(

name

)

update_vector_workitem_ptr(name##_ptr, name##_offset_first_element_in_bytes, name##_stride_x, 0)

Definition at line 101 of file helpers.h.

Referenced by output_stage_quantized(), and roi_pooling_layer().

#define EXPAND

(

x

)

x

Definition at line 37 of file helpers.h.

Referenced by softmax_layer_max_shift_exp_sum_serial().

#define IMAGE_DECLARATION

(

name

)

Value:

__global uchar *name##_ptr,      \
    uint        name##_stride_x, \
    uint        name##_step_x,   \
    uint        name##_stride_y, \
    uint        name##_step_y,   \
    uint        name##_offset_first_element_in_bytes

Definition at line 68 of file helpers.h.

#define TENSOR3D_DECLARATION

(

name

)

Value:

__global uchar *name##_ptr,      \
    uint        name##_stride_x, \
    uint        name##_step_x,   \
    uint        name##_stride_y, \
    uint        name##_step_y,   \
    uint        name##_stride_z, \
    uint        name##_step_z,   \
    uint        name##_offset_first_element_in_bytes

Definition at line 76 of file helpers.h.

#define TENSOR4D_DECLARATION

(

name

)

Value:

__global uchar *name##_ptr,      \
    uint        name##_stride_x, \
    uint        name##_step_x,   \
    uint        name##_stride_y, \
    uint        name##_step_y,   \
    uint        name##_stride_z, \
    uint        name##_step_z,   \
    uint        name##_stride_w, \
    uint        name##_step_w,   \
    uint        name##_offset_first_element_in_bytes

Definition at line 86 of file helpers.h.

#define VEC_DATA_TYPE	(		type,
			size
	)		VEC_DATA_TYPE_STR(type, size)

Definition at line 48 of file helpers.h.

#define VEC_DATA_TYPE_STR	(		type,
			size
	)		type##size

Definition at line 47 of file helpers.h.

#define VECTOR_DECLARATION

(

name

)

Value:

__global uchar *name##_ptr,      \
    uint        name##_stride_x, \
    uint        name##_step_x,   \
    uint        name##_offset_first_element_in_bytes

Definition at line 62 of file helpers.h.

#define VLOAD

(

size

)

VLOAD_STR(size)

Definition at line 42 of file helpers.h.

Referenced by concatenate_depth(), concatenate_width(), floor_layer(), roi_pool_1x1(), softmax_layer_max_shift_exp_sum_parallel(), softmax_layer_max_shift_exp_sum_serial(), and transpose().

#define VLOAD_STR

(

size

)

vload##size

Definition at line 41 of file helpers.h.

#define VSTORE

(

size

)

VSTORE_STR(size)

Definition at line 45 of file helpers.h.

Referenced by concatenate_depth(), concatenate_width(), floor_layer(), softmax_layer_max_shift_exp_sum_parallel(), softmax_layer_max_shift_exp_sum_serial(), and transpose().

#define VSTORE_STR

(

size

)

vstore##size

Definition at line 44 of file helpers.h.

Typedef Documentation

typedef struct Image Image

Structure to hold Image information.

typedef struct Tensor3D Tensor3D

Structure to hold 3D tensor information.

typedef struct Tensor4D Tensor4D

Structure to hold 4D tensor information.

typedef struct Vector Vector

Structure to hold Vector information.

Function Documentation

__global uchar* offset ( const Image *  img, int  x, int  y  )

inline

Get the pointer position of a Image.

Parameters

[in]	img	Pointer to the starting position of the buffer
[in]	x	Relative X position
[in]	y	Relative Y position

Definition at line 303 of file helpers.h.

References Image::ptr, Image::stride_x, and Image::stride_y.

Referenced by bilinear_interpolate_with_border(), channel_combine_NV(), convolution3x3(), convolution5x1(), convolution5x5(), convolution7x1(), convolution7x7(), convolution9x1(), convolution9x9(), convolution_rectangle(), convolution_separable1x5_static(), convolution_separable1x7_static(), convolution_separable1x9_static(), copy_planes_3p(), copy_to_keypoint(), arm_compute::test::validation::DATA_TEST_CASE(), derivative(), dilate(), erode(), arm_compute::test::validation::reference::fast_corners(), AssetsLibrary::fill(), fill_image_borders_constant(), fill_image_borders_replicate(), gaussian5x1_sub_y(), harris_score_1x5(), harris_score_1x7(), harris_score_3x3(), hist_border_kernel(), arm_compute::test::validation::reference::histogram(), hysteresis(), integral_horizontal(), integral_vertical(), lktracker_stage0(), lktracker_stage1(), mean_stddev_accumulate(), minmax(), non_linear_filter_box3x3(), non_linear_filter_box5x5(), non_linear_filter_cross3x3(), non_linear_filter_cross5x5(), non_linear_filter_disk3x3(), non_linear_filter_disk5x5(), non_max_suppression(), QuantizationInfo::operator==(), SimpleTensor< T >::operator[](), PaddingCalculator::PaddingCalculator(), RandomAccessor::RandomAccessor(), read_texels4(), reduction_operation(), scharr3x3(), PaddingCalculator::set_access_offset(), sobel1x5(), sobel3x3(), sobel5x1(), softmax_layer_max_shift_exp_sum_parallel(), softmax_layer_max_shift_exp_sum_serial(), softmax_layer_norm(), suppress_non_maximum(), transpose(), and arm_compute::test::validation::reference::widthconcatenate_layer().

{
    return img->ptr + x * img->stride_x + y * img->stride_y;
}

__global const uchar* tensor3D_offset ( const Tensor3D *  tensor, int  x, int  y, int  z  )

inline

Get the pointer position of a Tensor3D.

Parameters

[in]	tensor	Pointer to the starting position of the buffer
[in]	x	Relative X position
[in]	y	Relative Y position
[in]	z	Relative Z position

Definition at line 315 of file helpers.h.

References Tensor3D::ptr, Tensor3D::stride_x, Tensor3D::stride_y, and Tensor3D::stride_z.

Referenced by concatenate_depth(), normalization_layer_cross_map(), normalization_layer_in_map(), pooling_layer_2(), pooling_layer_3(), pooling_layer_MxN_nhwc(), pooling_layer_MxN_quantized_nchw(), pooling_layer_MxN_quantized_nhwc(), reshape_layer(), roi_pool_1x1(), and roi_pooling_layer().

{
    return tensor->ptr + x * tensor->stride_x + y * tensor->stride_y + z * tensor->stride_z;
}

__global const uchar* tensor4D_offset ( const Tensor4D *  tensor, int  x, int  y, int  z, int  w  )

inline

Get the pointer position of a Tensor4D.

Parameters

[in]	tensor	Pointer to the starting position of the buffer
[in]	x	Relative X position
[in]	y	Relative Y position
[in]	z	Relative Z position
[in]	w	Relative W position

Definition at line 328 of file helpers.h.

References Tensor4D::ptr, Tensor4D::stride_w, Tensor4D::stride_x, Tensor4D::stride_y, and Tensor4D::stride_z.

{
    return tensor->ptr + x * tensor->stride_x + y * tensor->stride_y + z * tensor->stride_z + w * tensor->stride_w;
}

Image update_image_from_tensor3D_workitem_ptr ( __global uchar *  ptr, uint  offset_first_element_in_bytes, uint  stride_x, uint  step_x, uint  stride_y, uint  step_y, uint  stride_z, uint  step_z  )

inline

Wrap 3D tensor information into an image structure, and make the pointer point at this workitem's data.

Parameters

[in]	ptr	Pointer to the starting postion of the buffer
[in]	offset_first_element_in_bytes	The offset of the first element in the source image
[in]	stride_x	Stride of the image in X dimension (in bytes)
[in]	step_x	stride_x * number of elements along X processed per workitem(in bytes)
[in]	stride_y	Stride of the image in Y dimension (in bytes)
[in]	step_y	stride_y * number of elements along Y processed per workitem(in bytes)
[in]	stride_z	Stride of the image in Z dimension (in bytes)
[in]	step_z	stride_z * number of elements along Z processed per workitem(in bytes)

Returns

A 3D tensor object

Definition at line 229 of file helpers.h.

References Vector::offset_first_element_in_bytes, Image::offset_first_element_in_bytes, Vector::ptr, Image::ptr, and Vector::stride_x.

{
    Image img =
    {
        .ptr                           = ptr,
        .offset_first_element_in_bytes = offset_first_element_in_bytes,
        .stride_x                      = stride_x,
        .stride_y                      = stride_y
    };
    img.ptr += img.offset_first_element_in_bytes + get_global_id(0) * step_x + get_global_id(1) * step_y + get_global_id(2) * step_z;
    return img;
}

Image update_image_workitem_ptr ( __global uchar *  ptr, uint  offset_first_element_in_bytes, uint  stride_x, uint  step_x, uint  stride_y, uint  step_y  )

inline

Wrap image information into an Image structure, and make the pointer point at this workitem's data.

Parameters

[in]	ptr	Pointer to the starting postion of the buffer
[in]	offset_first_element_in_bytes	The offset of the first element in the source image
[in]	stride_x	Stride of the image in X dimension (in bytes)
[in]	step_x	stride_x * number of elements along X processed per workitem(in bytes)
[in]	stride_y	Stride of the image in Y dimension (in bytes)
[in]	step_y	stride_y * number of elements along Y processed per workitem(in bytes)

Returns

An image object

Definition at line 203 of file helpers.h.

References Vector::offset_first_element_in_bytes, Image::offset_first_element_in_bytes, Vector::ptr, Image::ptr, and Vector::stride_x.

{
    Image img =
    {
        .ptr                           = ptr,
        .offset_first_element_in_bytes = offset_first_element_in_bytes,
        .stride_x                      = stride_x,
        .stride_y                      = stride_y
    };
    img.ptr += img.offset_first_element_in_bytes + get_global_id(0) * step_x + get_global_id(1) * step_y;
    return img;
}

Tensor3D update_tensor3D_workitem_ptr ( __global uchar *  ptr, uint  offset_first_element_in_bytes, uint  stride_x, uint  step_x, uint  stride_y, uint  step_y, uint  stride_z, uint  step_z  )

inline

Wrap 3D tensor information into an tensor structure, and make the pointer point at this workitem's data.

Parameters

[in]	ptr	Pointer to the starting postion of the buffer
[in]	offset_first_element_in_bytes	The offset of the first element in the source image
[in]	stride_x	Stride of the image in X dimension (in bytes)
[in]	step_x	stride_x * number of elements along X processed per workitem(in bytes)
[in]	stride_y	Stride of the image in Y dimension (in bytes)
[in]	step_y	stride_y * number of elements along Y processed per workitem(in bytes)
[in]	stride_z	Stride of the image in Z dimension (in bytes)
[in]	step_z	stride_z * number of elements along Z processed per workitem(in bytes)

Returns

A 3D tensor object

Definition at line 255 of file helpers.h.

References Vector::offset_first_element_in_bytes, Tensor3D::offset_first_element_in_bytes, Vector::ptr, Tensor3D::ptr, and Vector::stride_x.

{
    Tensor3D tensor =
    {
        .ptr                           = ptr,
        .offset_first_element_in_bytes = offset_first_element_in_bytes,
        .stride_x                      = stride_x,
        .stride_y                      = stride_y,
        .stride_z                      = stride_z
    };
    tensor.ptr += tensor.offset_first_element_in_bytes + get_global_id(0) * step_x + get_global_id(1) * step_y + get_global_id(2) * step_z;
    return tensor;
}

Tensor4D update_tensor4D_workitem_ptr ( __global uchar *  ptr, uint  offset_first_element_in_bytes, uint  stride_x, uint  step_x, uint  stride_y, uint  step_y, uint  stride_z, uint  step_z, uint  stride_w, uint  step_w, uint  mod_size  )

inline

Definition at line 269 of file helpers.h.

References Vector::offset_first_element_in_bytes, Tensor4D::offset_first_element_in_bytes, Vector::ptr, Tensor4D::ptr, and Vector::stride_x.

{
    Tensor4D tensor =
    {
        .ptr                           = ptr,
        .offset_first_element_in_bytes = offset_first_element_in_bytes,
        .stride_x                      = stride_x,
        .stride_y                      = stride_y,
        .stride_z                      = stride_z,
        .stride_w                      = stride_w
    };

    tensor.ptr += tensor.offset_first_element_in_bytes + get_global_id(0) * step_x + get_global_id(1) * step_y + (get_global_id(2) % mod_size) * step_z + (get_global_id(2) / mod_size) * step_w;
    return tensor;
}

Vector update_vector_workitem_ptr ( __global uchar *  ptr, uint  offset_first_element_in_bytes, uint  stride_x, uint  step_x  )

inline

Wrap vector information into an Vector structure, and make the pointer point at this workitem's data.

Parameters

[in]	ptr	Pointer to the starting postion of the buffer
[in]	offset_first_element_in_bytes	The offset of the first element in the source vector
[in]	stride_x	Stride of the vector in X dimension (in bytes)
[in]	step_x	stride_x * number of elements along X processed per workitem(in bytes)

Returns

An image object

Definition at line 180 of file helpers.h.

References Vector::offset_first_element_in_bytes, Vector::ptr, and Vector::stride_x.

{
    Vector vector =
    {
        .ptr                           = ptr,
        .offset_first_element_in_bytes = offset_first_element_in_bytes,
        .stride_x                      = stride_x,
    };
    vector.ptr += vector.offset_first_element_in_bytes + get_global_id(0) * step_x;
    return vector;
}

__global const uchar* vector_offset ( const Vector *  vec, int  x  )

inline

Get the pointer position of a Vector.

Parameters

[in]	vec	Pointer to the starting position of the buffer
[in]	x	Relative X position

Definition at line 292 of file helpers.h.

References Vector::ptr, and Vector::stride_x.

Referenced by output_stage_quantized(), and roi_pooling_layer().

{
    return vec->ptr + x * vec->stride_x;
}