Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 1 | /* |
steli01 | cdd1e85 | 2018-01-31 13:48:11 +0800 | [diff] [blame] | 2 | * Copyright (c) 2017-2018 ARM Limited. |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | layout(local_size_x = LOCAL_SIZE_X, local_size_y = LOCAL_SIZE_Y, local_size_z = LOCAL_SIZE_Z) in; |
| 26 | |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 27 | #include "helpers_cs.h" |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 28 | |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 29 | #if defined(DATA_TYPE_FP16) |
| 30 | precision mediump float; |
| 31 | #endif /*DATA_TYPE_FP16*/ |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 32 | |
| 33 | uint hash(uint x) |
| 34 | { |
| 35 | x += (x << 10u); |
| 36 | x ^= (x >> 6u); |
| 37 | x += (x << 3u); |
| 38 | x ^= (x >> 11u); |
| 39 | x += (x << 15u); |
| 40 | return x; |
| 41 | } |
| 42 | |
| 43 | uint hash(uvec3 v) |
| 44 | { |
| 45 | return hash(v.x ^ hash(v.y) ^ hash(v.z)); |
| 46 | } |
| 47 | |
| 48 | float float_construct(uint m) |
| 49 | { |
| 50 | const uint ieee_mantissa = 0x007FFFFFu; |
| 51 | const uint ieee_one = 0x3F800000u; |
| 52 | |
| 53 | m &= ieee_mantissa; |
| 54 | m |= ieee_one; |
| 55 | |
| 56 | float f = uintBitsToFloat(m); |
| 57 | return f - 1.0; |
| 58 | } |
| 59 | |
| 60 | float rand(vec3 v, float seed) |
| 61 | { |
| 62 | return float_construct(hash(floatBitsToUint(v + seed))); |
| 63 | } |
| 64 | |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 65 | /** Dropout is used to improve over-fit on neural networks. |
| 66 | * |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 67 | * @note The data type must be passed at compile time using "#define DATA_TYPE_NAME". e.g. "#define DATA_TYPE_FP32" |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 68 | * |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 69 | * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16/F32 |
| 70 | * @param[in] src_attrs The attributes of the source tensor |
| 71 | * @param[out] mask_ptr Pointer to the mask tensor. Supported data types: same as @p src_ptr |
| 72 | * @param[in] mask_attrs The attributes of the mask tensor |
| 73 | * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| 74 | * @param[in] dst_attrs The attributes of the destination tensor |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 75 | */ |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 76 | SHADER_PARAMS_DECLARATION |
| 77 | { |
| 78 | Tensor3DAttributes src_attrs; |
| 79 | Tensor3DAttributes mask_attrs; |
| 80 | Tensor3DAttributes dst_attrs; |
| 81 | }; |
| 82 | |
| 83 | #ifdef DATA_TYPE_FP32 |
| 84 | TENSOR_DECLARATION(1, srcBuffer, float, src_ptr, src_shift, 2, readonly); |
steli01 | cdd1e85 | 2018-01-31 13:48:11 +0800 | [diff] [blame] | 85 | TENSOR_DECLARATION(2, maskBuffer, float, mask_ptr, mask_shift, 2, restrict); |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 86 | TENSOR_DECLARATION(3, dstBuffer, float, dst_ptr, dst_shift, 2, writeonly); |
| 87 | |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 88 | void main(void) |
| 89 | { |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 90 | Tensor3DIterator src_iter = CONVERT_TO_TENSOR3D_ITERATOR(src_attrs, src_shift); |
| 91 | Tensor3DIterator mask_iter = CONVERT_TO_TENSOR3D_ITERATOR(mask_attrs, mask_shift); |
| 92 | Tensor3DIterator dst_iter = CONVERT_TO_TENSOR3D_ITERATOR(dst_attrs, dst_shift); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 93 | |
| 94 | float random = 0.f; |
| 95 | float inputv = 0.f; |
| 96 | float maskv = 0.f; |
| 97 | float outputv = 0.f; |
| 98 | |
| 99 | #ifdef FORWARD |
| 100 | random = rand(vec3(gl_GlobalInvocationID.xyz), SEED); |
| 101 | maskv = (random > RATIO) ? 1.f : 0.f; |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 102 | STORE_CURRENT_ITEM(mask_ptr, mask_iter, maskv); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 103 | #else /* FORWARD */ |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 104 | maskv = LOAD_CURRENT_ITEM(mask_ptr, mask_iter); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 105 | #endif /* FORWARD */ |
| 106 | |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 107 | inputv = LOAD_CURRENT_ITEM(src_ptr, src_iter); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 108 | outputv = maskv * inputv * float(SCALE); |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 109 | STORE_CURRENT_ITEM(dst_ptr, dst_iter, outputv); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | #elif defined(DATA_TYPE_FP16) |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 113 | TENSOR_DECLARATION(1, srcBuffer, uint, src_ptr, src_shift, 2, readonly); |
steli01 | cdd1e85 | 2018-01-31 13:48:11 +0800 | [diff] [blame] | 114 | TENSOR_DECLARATION(2, maskBuffer, uint, mask_ptr, mask_shift, 2, restrict); |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 115 | TENSOR_DECLARATION(3, dstBuffer, uint, dst_ptr, dst_shift, 2, writeonly); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 116 | |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 117 | void main(void) |
| 118 | { |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 119 | Tensor3DIterator src_iter = CONVERT_TO_TENSOR3D_ITERATOR(src_attrs, src_shift); |
| 120 | Tensor3DIterator mask_iter = CONVERT_TO_TENSOR3D_ITERATOR(mask_attrs, mask_shift); |
| 121 | Tensor3DIterator dst_iter = CONVERT_TO_TENSOR3D_ITERATOR(dst_attrs, dst_shift); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 122 | |
| 123 | float random1 = 0.f; |
| 124 | float random2 = 0.f; |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 125 | vec2 input_vec = vec2(0, 0); |
| 126 | vec2 output_vec = vec2(0, 0); |
| 127 | vec2 mask_vec = vec2(0, 0); |
| 128 | |
| 129 | #ifdef FORWARD |
| 130 | random1 = rand(vec3(gl_GlobalInvocationID.xyz), SEED); |
| 131 | random2 = rand(vec3(float(gl_GlobalInvocationID.x) + 0.5f, gl_GlobalInvocationID.yz), SEED); |
| 132 | mask_vec.x = (random1 > RATIO) ? 1.f : 0.f; |
| 133 | mask_vec.y = (random2 > RATIO) ? 1.f : 0.f; |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 134 | |
| 135 | STORE_PACK2_CURRENT_ITEM_HALF(mask_ptr, mask_iter, mask_vec); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 136 | #else /* FORWARD */ |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 137 | mask_vec = LOAD_UNPACK2_CURRENT_ITEM_HALF(mask_ptr, mask_iter); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 138 | #endif /* FORWARD */ |
| 139 | |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 140 | input_vec = LOAD_UNPACK2_CURRENT_ITEM_HALF(src_ptr, src_iter); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 141 | output_vec = mask_vec * input_vec * float(SCALE); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 142 | |
zhenglin | 6fc06cc | 2018-01-05 10:29:21 +0800 | [diff] [blame] | 143 | STORE_PACK2_CURRENT_ITEM_HALF(dst_ptr, dst_iter, output_vec); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | #else /* DATA_TYPE_FP32 */ |
| 147 | |
| 148 | #endif /* DATA_TYPE_FP32 */ |