diff options
Diffstat (limited to 'src/core/CL/cl_kernels/scale.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/scale.cl | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/src/core/CL/cl_kernels/scale.cl b/src/core/CL/cl_kernels/scale.cl index 499f9ea53f..971087021f 100644 --- a/src/core/CL/cl_kernels/scale.cl +++ b/src/core/CL/cl_kernels/scale.cl @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2019 ARM Limited. + * Copyright (c) 2016-2020 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -100,10 +100,14 @@ __kernel void scale_nearest_neighbour_nchw( const float scale_x, const float scale_y) { - Image in = CONVERT_TO_IMAGE_STRUCT_NO_STEP(in); - Image out = CONVERT_TO_IMAGE_STRUCT(out); - const float2 r = (float2)(scale_x, scale_y); - const float8 tc = clamp_to_border_with_size(transform_nearest(get_current_coords(), r), input_width, input_height, BORDER_SIZE); + Image in = CONVERT_TO_IMAGE_STRUCT_NO_STEP(in); + Image out = CONVERT_TO_IMAGE_STRUCT(out); + const float2 r = (float2)(scale_x, scale_y); + float8 transformed = transform_nearest(get_current_coords(), r); +#ifdef ALIGN_CORNERS + transformed = round(transformed); +#endif // ALIGN_CORNERS + const float8 tc = clamp_to_border_with_size(transformed, input_width, input_height, BORDER_SIZE); vstore4(read_texels4(&in, convert_int8(tc)), 0, (__global DATA_TYPE *)out.ptr); } @@ -182,14 +186,18 @@ __kernel void scale_nearest_neighbour_nhwc( Tensor4D out = CONVERT_TO_TENSOR4D_STRUCT(out, DEPTH_OUT); #ifdef SAMPLING_POLICY_TOP_LEFT - const float new_x = get_global_id(1) * scale_x; - const float new_y = (get_global_id(2) % DEPTH_OUT) * scale_y; + float new_x = get_global_id(1) * scale_x; + float new_y = (get_global_id(2) % DEPTH_OUT) * scale_y; #elif SAMPLING_POLICY_CENTER - const float new_x = (get_global_id(1) + 0.5f) * scale_x; - const float new_y = ((get_global_id(2) % DEPTH_OUT) + 0.5f) * scale_y; + float new_x = (get_global_id(1) + 0.5f) * scale_x; + float new_y = ((get_global_id(2) % DEPTH_OUT) + 0.5f) * scale_y; #else /* SAMPLING_POLICY */ #error("Unsupported sampling policy"); #endif /* SAMPLING_POLICY */ +#ifdef ALIGN_CORNERS + new_x = round(new_x); + new_y = round(new_y); +#endif /* ALIGN_CORNERS */ const float clamped_x = clamp(new_x, 0.0f, input_width - 1); const float clamped_y = clamp(new_y, 0.0f, input_height - 1); |