| /* |
| * Copyright (c) 2017-2018 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| layout(local_size_x = LOCAL_SIZE_X, local_size_y = LOCAL_SIZE_Y, local_size_z = LOCAL_SIZE_Z) in; |
| |
| #include "helpers_cs.h" |
| |
| #if defined(DATA_TYPE_FP16) |
| precision mediump float; |
| #endif // DATA_TYPE_FP16 |
| |
| /** This kernel performs a shift to move "pad_x" columns to the right. |
| * |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_NAME". e.g. "#define DATA_TYPE_FP32" |
| * @note The width must be passed at compile time using "#define WIDTH n" e.g. "#define WIDTH 1" |
| * |
| * @param[in,out] src_ptr Pointer to the source tensor slice. Supported data types: F16/F32 |
| * @param[in] src_attrs The attributes of the source tensor |
| * @param[in] pad_x The padding of the source tensor in x dimension |
| */ |
| SHADER_PARAMS_DECLARATION |
| { |
| Tensor3DAttributes src_attrs; |
| uint pad_x; |
| }; |
| |
| #if defined(DATA_TYPE_FP16) |
| TENSOR_DECLARATION(1, srcBuffer, uint, src_ptr, src_shift, 2, restrict); |
| |
| void main() |
| { |
| Tensor3DIterator src_iter = CONVERT_TO_TENSOR3D_ITERATOR(src_attrs, src_shift); |
| int n = int(pad_x) % 2; |
| |
| if(n == 1) |
| { |
| int i = 0; |
| if((WIDTH % 2) == 1) |
| { |
| i = WIDTH + int(pad_x) - 2; |
| } |
| else |
| { |
| vec2 s0_end = LOAD_UNPACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (WIDTH - 2)))); |
| vec2 s_end = vec2(s0_end.y, 0.f); |
| STORE_PACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (WIDTH + int(pad_x) - 1))), s_end); |
| i = WIDTH + int(pad_x) - 3; |
| } |
| for(; i >= (int(pad_x) + 1); i = i - 2) |
| { |
| vec2 s0 = LOAD_UNPACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (i - int(pad_x) - 1)))); |
| vec2 s1 = LOAD_UNPACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (i - int(pad_x) + 1)))); |
| vec2 s = vec2(s0.y, s1.x); |
| STORE_PACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * i)), s); |
| } |
| for(int j = 0; j < (int(pad_x) - 1); j = j + 2) |
| { |
| vec2 s_origin = vec2(0.f); |
| STORE_PACK2_CURRENT_ITEM_HALF(src_ptr, src_iter, s_origin); |
| TENSOR_ITERATOR_ADVANCE_IN_BYTES(src_iter, 4); |
| } |
| vec2 s0_origin = LOAD_UNPACK2_CURRENT_ITEM_HALF(src_ptr, src_iter); |
| vec2 s_origin = vec2(0.f, s0_origin.x); |
| STORE_PACK2_CURRENT_ITEM_HALF(src_ptr, src_iter, s_origin); |
| } |
| else |
| { |
| int i = 0; |
| if((WIDTH % 2) == 0) |
| { |
| i = WIDTH + int(pad_x) - 2; |
| } |
| else |
| { |
| vec2 s0_end = LOAD_UNPACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (WIDTH - 1)))); |
| vec2 s_end = vec2(s0_end.x, 0.f); |
| STORE_PACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (WIDTH + int(pad_x) - 1))), s_end); |
| i = WIDTH + int(pad_x) - 3; |
| } |
| for(; i >= (int(pad_x)); i = i - 2) |
| { |
| vec2 s = LOAD_UNPACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * (i - int(pad_x))))); |
| STORE_PACK2_HALF(src_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(src_iter, (2 * i)), s); |
| } |
| for(int j = 0; j < int(pad_x); j = j + 2) |
| { |
| vec2 s = vec2(0.f); |
| STORE_PACK2_CURRENT_ITEM_HALF(src_ptr, src_iter, s); |
| TENSOR_ITERATOR_ADVANCE_IN_BYTES(src_iter, 4); |
| } |
| } |
| } |
| #elif defined(DATA_TYPE_FP32) |
| TENSOR_DECLARATION(1, srcBuffer, float, src_ptr, src_shift, 2, restrict); |
| |
| void main() |
| { |
| Tensor3DIterator src_iter = CONVERT_TO_TENSOR3D_ITERATOR(src_attrs, src_shift); |
| |
| for(int i = (WIDTH + int(pad_x) - 1); i >= int(pad_x); i--) |
| { |
| float sorigin = LOAD(src_ptr, TENSOR_OFFSET_ADVANCE(src_iter, (i - int(pad_x)))); |
| STORE(src_ptr, TENSOR_OFFSET_ADVANCE(src_iter, i), sorigin); |
| } |
| for(int j = 0; j < int(pad_x); j++) |
| { |
| STORE_CURRENT_ITEM(src_ptr, src_iter, 0.f); |
| TENSOR_ITERATOR_ADVANCE_IN_BYTES(src_iter, 4); |
| } |
| } |
| #else /* DATA_TYPE_FP16 */ |
| #error Data type not supported |
| #endif /* DATA_TYPE_FP16 */ |