diff options
Diffstat (limited to 'src/core/CL/cl_kernels/pixelwise_mul_int.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/pixelwise_mul_int.cl | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/core/CL/cl_kernels/pixelwise_mul_int.cl b/src/core/CL/cl_kernels/pixelwise_mul_int.cl index e6dfd3043d..a407a3264e 100644 --- a/src/core/CL/cl_kernels/pixelwise_mul_int.cl +++ b/src/core/CL/cl_kernels/pixelwise_mul_int.cl @@ -23,12 +23,28 @@ */ #include "helpers.h" -#ifdef SATURATE -#define CONVERT_OP_INT_STR(x, type) (convert_##type##_sat(x)) -#else /* SATURATE */ -#define CONVERT_OP_INT_STR(x, type) (convert_##type(x)) -#endif /* SATURATE */ -#define CONVERT_OP_INT(x, type) CONVERT_OP_INT_STR(x, type) +#if defined(FIXED_POINT_POSITION) + +#include "fixed_point.h" + +#if defined(SATURATE) +#define MUL_OP(x, y, scale, type, size) MUL_SAT_OP_EXPAND((x), (y), type, size, FIXED_POINT_POSITION) +#else // SATURATE +#define MUL_OP(x, y, scale, type, size) MUL_OP_EXPAND((x), (y), type, size, FIXED_POINT_POSITION) +#endif // SATURATE + +#else // FIXED_POINT_POSITION + +#if defined(SATURATE) +#define CONVERT_OP_INT_STR(x, type, size) (convert_##type##size##_sat(x)) +#else // SATURATE +#define CONVERT_OP_INT_STR(x, type, size) (convert_##type##size(x)) +#endif // SATURATE +#define CONVERT_OP_INT(x, type, size) CONVERT_OP_INT_STR(x, type, size) + +#define MUL_OP(x, y, scale, type, size) CONVERT_OP_INT((x) * (y) >> scale, type, size) + +#endif // FIXED_POINT_POSITION /** Performs a pixelwise multiplication with integer scale of integer inputs. * @@ -36,26 +52,27 @@ * e.g. -DDATA_TYPE_IN1=uchar -DDATA_TYPE_IN2=ushort -DDATA_TYPE_OUT=short * @attention The data_type of the intermediate result of the multiplication should passed as well using -DDATA_TYPE_RES. * e.g. If one of inputs is S16 -DDATA_TYPE_RES=int should be passed else -DDATA_TYPE_RES=short. + * @note In case of fixed-point operation -DFIXED_POINT_POSITION=fixed_point_position must be provided: e.g. -DFIXED_POINT_POSITION=3 * - * @param[in] in1_ptr Pointer to the source image. Supported data types: U8, S16 + * @param[in] in1_ptr Pointer to the source image. Supported data types: U8/QS8/QS16/S16 * @param[in] in1_stride_x Stride of the source image in X dimension (in bytes) * @param[in] in1_step_x in1_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] in1_stride_y Stride of the source image in Y dimension (in bytes) * @param[in] in1_step_y in1_stride_y * number of elements along Y processed per workitem(in bytes) * @param[in] in1_offset_first_element_in_bytes The offset of the first element in the source image - * @param[in] in2_ptr Pointer to the source image. Supported data types: U8, S16 + * @param[in] in2_ptr Pointer to the source image. Supported data types: same as @p in1_ptr * @param[in] in2_stride_x Stride of the source image in X dimension (in bytes) * @param[in] in2_step_x in2_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] in2_stride_y Stride of the source image in Y dimension (in bytes) * @param[in] in2_step_y in2_stride_y * number of elements along Y processed per workitem(in bytes) * @param[in] in2_offset_first_element_in_bytes The offset of the first element in the source image - * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, S16 + * @param[out] out_ptr Pointer to the destination image. Supported data types: same as @p in1_ptr * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image - * @param[in] scale Integer scaling factor. Supported data types: S32 + * @param[in] scale Integer scaling factor. Supported data types: S32 (ignored for QS8 and QS16 as the assumption is scale = 1). */ __kernel void pixelwise_mul_int( IMAGE_DECLARATION(in1), @@ -75,5 +92,5 @@ __kernel void pixelwise_mul_int( in2_data = CONVERT(vload16(0, (__global DATA_TYPE_IN2 *)in2.ptr), VEC_DATA_TYPE(DATA_TYPE_RES, 16)); // Perform multiplication and store result - vstore16(CONVERT_OP_INT(((in1_data * in2_data) >> scale), VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); + vstore16(MUL_OP(in1_data, in2_data, scale, DATA_TYPE_OUT, 16), 0, (__global DATA_TYPE_OUT *)out.ptr); } |