| /* |
| * Copyright (c) 2017 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.h" |
| |
| layout(std140) uniform shader_params |
| { |
| TENSOR3D_PARAM_DECLARATION(src); |
| TENSOR3D_PARAM_DECLARATION(dst); |
| TENSOR3D_PARAM_DECLARATION(weights); |
| #ifdef BIAS |
| VECTOR_PARAM_DECLARATION(biases); |
| #endif /* BIAS */ |
| uint weights_stride_w; |
| uint weights_depth; |
| }; |
| |
| #define LOAD12(r, name, offset) \ |
| r.x = LOAD4(name, offset); \ |
| r.y = LOAD4(name, offset + uint(1)); \ |
| r.z = LOAD4(name, offset + uint(2)) |
| |
| #define LOAD3X3(r, name) \ |
| r[0] = LOAD4(name, tensor3D_offset(name, 0, 0, 0)); \ |
| r[1] = LOAD4(name, tensor3D_offset(name, 1, 0, 0)); \ |
| r[2] = LOAD4(name, tensor3D_offset(name, 2, 0, 0)); \ |
| r[3] = LOAD4(name, tensor3D_offset(name, 0, 1, 0)); \ |
| r[4] = LOAD4(name, tensor3D_offset(name, 1, 1, 0)); \ |
| r[5] = LOAD4(name, tensor3D_offset(name, 2, 1, 0)); \ |
| r[6] = LOAD4(name, tensor3D_offset(name, 0, 2, 0)); \ |
| r[7] = LOAD4(name, tensor3D_offset(name, 1, 2, 0)); \ |
| r[8] = LOAD4(name, tensor3D_offset(name, 2, 2, 0)) |
| |
| #if defined(PROCESS_1_ELEMENT) |
| BUFFER_DECLARATION(src, 1, float, readonly); |
| BUFFER_DECLARATION(dst, 2, float, writeonly); |
| BUFFER_DECLARATION(weights, 3, float, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, float, readonly); |
| #endif /* BIAS */ |
| |
| /** This kernel performs a direct convolution to convolve the low three dimensions. |
| * |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP32" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); |
| #endif /* BIAS */ |
| |
| float pixels = CONVERT(0, float); |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w >> 2; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| vec3 temp; |
| vec3 w; |
| |
| LOAD12(temp, src, offset(src, 0, 0)); |
| LOAD12(w, weights, tensor3D_offset(weights, 0, 0, 0)); |
| |
| pixels += temp.x * w[0] + temp.y * w[1] + temp.z * w[2]; |
| |
| LOAD12(temp, src, offset(src, 0, 1)); |
| LOAD12(w, weights, tensor3D_offset(weights, 0, 1, 0)); |
| |
| pixels += temp.x * w[0] + temp.y * w[1] + temp.z * w[2]; |
| |
| LOAD12(temp, src, offset(src, 0, 2)); |
| LOAD12(w, weights, tensor3D_offset(weights, 0, 2, 0)); |
| |
| pixels += temp.x * w[0] + temp.y * w[1] + temp.z * w[2]; |
| |
| src.current_offset += src_stride_z >> 2; |
| weights.current_offset += weights_stride_z >> 2; |
| } |
| |
| #ifdef BIAS |
| pixels += LOAD4(biases, vector_offset(biases, int(z_index))); |
| #endif /* BIAS */ |
| |
| STORE4(dst, CURRENT_OFFSET(dst), pixels); |
| } |
| #elif defined(PROCESS_8_ELEMENT) |
| BUFFER_DECLARATION(src, 1, vec4, readonly); |
| BUFFER_DECLARATION(dst, 2, vec4, writeonly); |
| BUFFER_DECLARATION(weights, 3, float, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, float, readonly); |
| #endif /* BIAS */ |
| |
| #if STRIDE_X == 2 |
| #define CONVOLVE1x3(offset, w) convolve1x3_stride2(offset, w) |
| #elif STRIDE_X == 1 /* STRIDE_X == 1 */ |
| #define CONVOLVE1x3(offset, w) convolve1x3_stride1(offset, w) |
| #else /* STRIDE_X not equals 1 or 2 */ |
| #error STRIDE_X larger than 2 is not supported |
| #endif /* STRIDE_X == 2 */ |
| |
| vec4[2] convolve1x3_stride1(uint offset, vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 tmp[3]; |
| vec4 r[2]; |
| |
| LOAD3(tmp, src, offset); |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r[0] = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| middle = vec4(tmp[1].yzw, tmp[2].x); |
| right = vec4(tmp[1].zw, tmp[2].xy); |
| |
| r[1] = tmp[1] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[2] convolve1x3_stride2(uint offset, vec3 w) |
| { |
| vec4 left; |
| vec4 middle; |
| vec4 right; |
| vec4 tmp[3]; |
| vec4 r[2]; |
| |
| LOAD3(tmp, src, offset); |
| |
| left = vec4(tmp[0].xz, tmp[1].xz); |
| middle = vec4(tmp[0].yw, tmp[1].yw); |
| right = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); |
| |
| r[0] = left * w[0] + middle * w[1] + right * w[2]; |
| |
| LOAD2(tmp, src, offset + ((uint(3) * src_stride_x) >> 2)); |
| |
| left = vec4(tmp[2].xz, tmp[0].xz); |
| middle = vec4(tmp[2].yw, tmp[0].yw); |
| right = vec4(tmp[2].z, tmp[0].xz, tmp[1].x); |
| |
| r[1] = left * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 8 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP32" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); |
| #endif /* BIAS */ |
| |
| vec4 pixels[2]; |
| pixels[0] = vec4(0); |
| pixels[1] = vec4(0); |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w >> 2; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| vec3 w; |
| vec4 r[2]; |
| |
| // first line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 0, 0)); |
| |
| r = CONVOLVE1x3(src.current_offset >> uint(2), w); |
| pixels[0] += r[0]; |
| pixels[1] += r[1]; |
| |
| // second line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 1, 0)); |
| |
| r = CONVOLVE1x3((src.current_offset + (src_stride_y >> 2)) >> uint(2), w); |
| pixels[0] += r[0]; |
| pixels[1] += r[1]; |
| |
| // third line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 2, 0)); |
| |
| r = CONVOLVE1x3((src.current_offset + (src_stride_y >> 1)) >> uint(2), w); |
| pixels[0] += r[0]; |
| pixels[1] += r[1]; |
| |
| src.current_offset += src_stride_z >> 2; |
| weights.current_offset += weights_stride_z >> 2; |
| } |
| |
| #ifdef BIAS |
| float b; |
| LOAD1(b, biases, vector_offset(biases, int(z_index))); |
| pixels[0] += vec4(b); |
| pixels[1] += vec4(b); |
| #endif /* BIAS */ |
| |
| STORE2(dst, dst.current_offset >> uint(2), pixels); |
| } |
| #elif defined(PROCESS_4_ELEMENT) |
| BUFFER_DECLARATION(src, 1, vec4, readonly); |
| BUFFER_DECLARATION(dst, 2, vec4, writeonly); |
| BUFFER_DECLARATION(weights, 3, float, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, float, readonly); |
| #endif /* BIAS */ |
| |
| #if STRIDE_X == 2 |
| #define CONVOLVE1x3(offset, w) convolve1x3_stride2(offset, w) |
| #elif STRIDE_X == 1 /* STRIDE_X == 1 */ |
| #define CONVOLVE1x3(offset, w) convolve1x3_stride1(offset, w) |
| #else /* STRIDE_X not equals 1 or 2 */ |
| #error STRIDE_X larger than 2 is not supported |
| #endif /* STRIDE_X == 2 */ |
| |
| vec4 convolve1x3_stride1(uint offset, vec3 w) |
| { |
| vec4 tmp[2]; |
| vec4 middle; |
| vec4 right; |
| |
| LOAD2(tmp, src, offset); |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| tmp[1] = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| return tmp[1]; |
| } |
| |
| vec4 convolve1x3_stride2(uint offset, vec3 w) |
| { |
| vec4 left; |
| vec4 middle; |
| vec4 right; |
| |
| vec4 tmp[3]; |
| |
| LOAD3(tmp, src, offset); |
| |
| left = vec4(tmp[0].xz, tmp[1].xz); |
| middle = vec4(tmp[0].yw, tmp[1].yw); |
| right = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); |
| |
| tmp[0] = left * w[0] + middle * w[1] + right * w[2]; |
| |
| return tmp[0]; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP32" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); |
| #endif /* BIAS */ |
| |
| vec4 pixels; |
| pixels = vec4(0); |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w >> 2; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| vec3 w; |
| |
| // first line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 0, 0)); |
| |
| pixels += CONVOLVE1x3(src.current_offset >> uint(2), w); |
| |
| // second line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 1, 0)); |
| |
| pixels += CONVOLVE1x3((src.current_offset + (src_stride_y >> 2)) >> uint(2), w); |
| |
| // third line |
| LOAD3(w, weights, tensor3D_offset(weights, 0, 2, 0)); |
| |
| pixels += CONVOLVE1x3((src.current_offset + (src_stride_y >> 1)) >> uint(2), w); |
| |
| src.current_offset += src_stride_z >> 2; |
| weights.current_offset += weights_stride_z >> 2; |
| } |
| |
| #ifdef BIAS |
| float b; |
| LOAD1(b, biases, vector_offset(biases, int(z_index))); |
| pixels += vec4(b); |
| #endif /* BIAS */ |
| |
| STORE1(dst, dst.current_offset >> uint(2), pixels); |
| } |
| #elif defined(PROCESS_X_4ELEMENTS_Y_3ELEMENTS) |
| BUFFER_DECLARATION(src, 1, vec4, readonly); |
| BUFFER_DECLARATION(dst, 2, vec4, writeonly); |
| BUFFER_DECLARATION(weights, 3, float, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, float, readonly); |
| #endif /* BIAS */ |
| |
| #define CONVOLVE1x3(left, middle, right, w) convolve1x3_stride1(left, middle, right, w) |
| |
| vec4 convolve1x3_stride1(vec4 left, vec4 middle, vec4 right, vec3 w) |
| { |
| vec4 r; |
| |
| r = left * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4x3 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP32" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); |
| #endif /* BIAS */ |
| |
| vec4 pixels[3]; |
| pixels[0] = vec4(0); |
| pixels[1] = vec4(0); |
| pixels[2] = vec4(0); |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w >> 2; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| vec3 w[3]; |
| |
| LOAD3(w[0], weights, tensor3D_offset(weights, 0, 0, 0)); |
| LOAD3(w[1], weights, tensor3D_offset(weights, 0, 1, 0)); |
| LOAD3(w[2], weights, tensor3D_offset(weights, 0, 2, 0)); |
| |
| vec4 s[2]; |
| vec4 middle; |
| vec4 right; |
| // first line |
| LOAD2(s, src, src.current_offset >> uint(2)); |
| middle = vec4(s[0].yzw, s[1].x); |
| right = vec4(s[0].zw, s[1].xy); |
| pixels[0] += CONVOLVE1x3(s[0], middle, right, w[0]); |
| |
| // second line |
| LOAD2(s, src, (src.current_offset + (src_stride_y >> 2)) >> uint(2)); |
| middle = vec4(s[0].yzw, s[1].x); |
| right = vec4(s[0].zw, s[1].xy); |
| pixels[0] += CONVOLVE1x3(s[0], middle, right, w[1]); |
| pixels[1] += CONVOLVE1x3(s[0], middle, right, w[0]); |
| |
| // third line |
| LOAD2(s, src, (src.current_offset + (src_stride_y >> 1)) >> uint(2)); |
| middle = vec4(s[0].yzw, s[1].x); |
| right = vec4(s[0].zw, s[1].xy); |
| pixels[0] += CONVOLVE1x3(s[0], middle, right, w[2]); |
| pixels[1] += CONVOLVE1x3(s[0], middle, right, w[1]); |
| pixels[2] += CONVOLVE1x3(s[0], middle, right, w[0]); |
| |
| // forth line |
| LOAD2(s, src, (src.current_offset + (uint(3) * (src_stride_y >> 2))) >> uint(2)); |
| middle = vec4(s[0].yzw, s[1].x); |
| right = vec4(s[0].zw, s[1].xy); |
| pixels[1] += CONVOLVE1x3(s[0], middle, right, w[2]); |
| pixels[2] += CONVOLVE1x3(s[0], middle, right, w[1]); |
| |
| // fifth line |
| LOAD2(s, src, (src.current_offset + (src_stride_y)) >> uint(2)); |
| middle = vec4(s[0].yzw, s[1].x); |
| right = vec4(s[0].zw, s[1].xy); |
| pixels[2] += CONVOLVE1x3(s[0], middle, right, w[2]); |
| |
| src.current_offset += src_stride_z >> 2; |
| weights.current_offset += weights_stride_z >> 2; |
| } |
| |
| #ifdef BIAS |
| float b; |
| LOAD1(b, biases, vector_offset(biases, int(z_index))); |
| |
| pixels[0] += vec4(b); |
| pixels[1] += vec4(b); |
| pixels[2] += vec4(b); |
| #endif /* BIAS */ |
| |
| STORE1(dst, dst.current_offset >> uint(2), pixels[0]); |
| STORE1(dst, (dst.current_offset + (dst_stride_y >> 2)) >> uint(2), pixels[1]); |
| STORE1(dst, (dst.current_offset + (dst_stride_y >> 1)) >> uint(2), pixels[2]); |
| } |
| #elif defined(PROCESS_X_8ELEMENTS_Y_3ELEMENTS_FP16) |
| precision mediump float; |
| |
| BUFFER_DECLARATION(src, 1, uvec4, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec4, writeonly); |
| BUFFER_DECLARATION(weights, 3, uint, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, uint, readonly); |
| #endif /* BIAS */ |
| |
| #define CONVOLVE1x3(s, w) convolve1x3_stride1(s, w) |
| |
| vec4[2] convolve1x3_stride1(vec4 tmp[3], vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 r[2]; |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r[0] = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| middle = vec4(tmp[1].yzw, tmp[2].x); |
| right = vec4(tmp[1].zw, tmp[2].xy); |
| |
| r[1] = tmp[1] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[3] load_and_unpack(uint offset) |
| { |
| uvec4 packed_s[2]; |
| vec4 s[3]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| ; |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[0].z), unpackHalf2x16(packed_s[0].w)); |
| s[2] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| |
| return s; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 8x3 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT_FP16(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP_FP16(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT_FP16(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP_FP16(biases); |
| #endif /* BIAS */ |
| |
| uvec2 packed_d[2]; |
| uvec4 vd; |
| |
| vec4 pixels[3][2]; |
| int i, j; |
| for(i = 0; i < 3; i++) |
| { |
| for(j = 0; j < 2; j++) |
| { |
| pixels[i][j] = vec4(0); |
| } |
| } |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| uvec2 packed_w[3]; |
| |
| LOAD2(packed_w[0], weights, tensor3D_offset_fp16(weights, 0, 0, 0) >> 2); |
| LOAD2(packed_w[1], weights, tensor3D_offset_fp16(weights, 0, 1, 0) >> 2); |
| LOAD2(packed_w[2], weights, tensor3D_offset_fp16(weights, 0, 2, 0) >> 2); |
| |
| vec3 w[3]; |
| w[0] = vec3(unpackHalf2x16(packed_w[0].x), unpackHalf2x16(packed_w[0].y).x); |
| w[1] = vec3(unpackHalf2x16(packed_w[1].x), unpackHalf2x16(packed_w[1].y).x); |
| w[2] = vec3(unpackHalf2x16(packed_w[2].x), unpackHalf2x16(packed_w[2].y).x); |
| |
| uvec4 packed_s[2]; |
| vec4 s[3]; |
| vec4 r[2]; |
| uint offset; |
| // first line |
| offset = src.current_offset >> uint(4); |
| s = load_and_unpack(offset); |
| |
| r = CONVOLVE1x3(s, w[0]); |
| pixels[0][0] += r[0]; |
| pixels[0][1] += r[1]; |
| |
| // second line |
| offset = (src.current_offset + src_stride_y) >> uint(4); |
| s = load_and_unpack(offset); |
| |
| r = CONVOLVE1x3(s, w[1]); |
| pixels[0][0] += r[0]; |
| pixels[0][1] += r[1]; |
| r = CONVOLVE1x3(s, w[0]); |
| pixels[1][0] += r[0]; |
| pixels[1][1] += r[1]; |
| |
| // third line |
| offset = (src.current_offset + (src_stride_y << 1)) >> uint(4); |
| s = load_and_unpack(offset); |
| |
| r = CONVOLVE1x3(s, w[2]); |
| pixels[0][0] += r[0]; |
| pixels[0][1] += r[1]; |
| r = CONVOLVE1x3(s, w[1]); |
| pixels[1][0] += r[0]; |
| pixels[1][1] += r[1]; |
| r = CONVOLVE1x3(s, w[0]); |
| pixels[2][0] += r[0]; |
| pixels[2][1] += r[1]; |
| |
| // forth line |
| offset = (src.current_offset + uint(3) * (src_stride_y)) >> uint(4); |
| s = load_and_unpack(offset); |
| |
| r = CONVOLVE1x3(s, w[2]); |
| pixels[1][0] += r[0]; |
| pixels[1][1] += r[1]; |
| r = CONVOLVE1x3(s, w[1]); |
| pixels[2][0] += r[0]; |
| pixels[2][1] += r[1]; |
| |
| // fifth line |
| offset = (src.current_offset + (src_stride_y << 2)) >> uint(4); |
| s = load_and_unpack(offset); |
| |
| r = CONVOLVE1x3(s, w[2]); |
| pixels[2][0] += r[0]; |
| pixels[2][1] += r[1]; |
| |
| src.current_offset += src_stride_z; |
| weights.current_offset += weights_stride_z; |
| } |
| |
| #ifdef BIAS |
| uint packed_b; |
| float b; |
| LOAD1(packed_b, biases, vector_offset_fp16(biases, int(z_index)) >> 2); |
| |
| if(z_index % uint(2) == uint(0)) |
| { |
| b = unpackHalf2x16(packed_b).x; |
| } |
| else |
| { |
| b = unpackHalf2x16(packed_b).y; |
| } |
| |
| for(i = 0; i < 3; i++) |
| { |
| for(j = 0; j < 2; j++) |
| { |
| pixels[i][j] += vec4(b); |
| } |
| } |
| #endif /* BIAS */ |
| |
| packed_d[0] = uvec2(packHalf2x16(pixels[0][0].xy), packHalf2x16(pixels[0][0].zw)); |
| packed_d[1] = uvec2(packHalf2x16(pixels[0][1].xy), packHalf2x16(pixels[0][1].zw)); |
| vd = uvec4(packed_d[0], packed_d[1]); |
| STORE1(dst, dst.current_offset >> uint(4), vd); |
| |
| packed_d[0] = uvec2(packHalf2x16(pixels[1][0].xy), packHalf2x16(pixels[1][0].zw)); |
| packed_d[1] = uvec2(packHalf2x16(pixels[1][1].xy), packHalf2x16(pixels[1][1].zw)); |
| vd = uvec4(packed_d[0], packed_d[1]); |
| STORE1(dst, (dst.current_offset + dst_stride_y) >> uint(4), vd); |
| |
| packed_d[0] = uvec2(packHalf2x16(pixels[2][0].xy), packHalf2x16(pixels[2][0].zw)); |
| packed_d[1] = uvec2(packHalf2x16(pixels[2][1].xy), packHalf2x16(pixels[2][1].zw)); |
| vd = uvec4(packed_d[0], packed_d[1]); |
| STORE1(dst, (dst.current_offset + (dst_stride_y << 1)) >> uint(4), vd); |
| } |
| #elif defined(PROCESS_X_4ELEMENTS_FP16) |
| precision mediump float; |
| |
| BUFFER_DECLARATION(src, 1, uvec2, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec2, writeonly); |
| BUFFER_DECLARATION(weights, 3, uint, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, uint, readonly); |
| #endif /* BIAS */ |
| |
| #if STRIDE_X == 2 |
| #define CONVOLVE1x3(s, w) convolve1x3_stride2(s, w) |
| #define LOAD_AND_UNPACK(offset) load_and_unpack_stride2(offset) |
| #elif STRIDE_X == 1 /* STRIDE_X == 1 */ |
| #define CONVOLVE1x3(s, w) convolve1x3_stride1(s, w) |
| #define LOAD_AND_UNPACK(offset) load_and_unpack_stride1(offset) |
| #else /* STRIDE_X not equals 1 or 2 */ |
| #error STRIDE_X larger than 2 is not supported |
| #endif /* STRIDE_X == 2 */ |
| |
| vec4 convolve1x3_stride1(vec4 tmp[2], vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 r; |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4 convolve1x3_stride2(vec4 tmp[3], vec3 w) |
| { |
| vec4 left; |
| vec4 middle; |
| vec4 right; |
| vec4 r; |
| |
| left = vec4(tmp[0].xz, tmp[1].xz); |
| middle = vec4(tmp[0].yw, tmp[1].yw); |
| right = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); |
| |
| r = left * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[2] load_and_unpack_stride1(uint offset) |
| { |
| uvec2 packed_s[2]; |
| vec4 s[2]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| |
| return s; |
| } |
| |
| vec4[3] load_and_unpack_stride2(uint offset) |
| { |
| uvec2 packed_s[3]; |
| vec4 s[3]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| LOAD1(packed_s[2], src, offset + uint(2)); |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| s[2] = vec4(unpackHalf2x16(packed_s[2].x), unpackHalf2x16(packed_s[2].y)); |
| |
| return s; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT_FP16(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP_FP16(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT_FP16(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP_FP16(biases); |
| #endif /* BIAS */ |
| |
| uvec2 packed_d; |
| |
| vec4 pixels = vec4(0); |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| uvec2 packed_w[3]; |
| |
| LOAD2(packed_w[0], weights, tensor3D_offset_fp16(weights, 0, 0, 0) >> 2); |
| LOAD2(packed_w[1], weights, tensor3D_offset_fp16(weights, 0, 1, 0) >> 2); |
| LOAD2(packed_w[2], weights, tensor3D_offset_fp16(weights, 0, 2, 0) >> 2); |
| |
| vec3 w[3]; |
| w[0] = vec3(unpackHalf2x16(packed_w[0].x), unpackHalf2x16(packed_w[0].y).x); |
| w[1] = vec3(unpackHalf2x16(packed_w[1].x), unpackHalf2x16(packed_w[1].y).x); |
| w[2] = vec3(unpackHalf2x16(packed_w[2].x), unpackHalf2x16(packed_w[2].y).x); |
| |
| #if STRIDE_X == 2 |
| vec4 s[3]; |
| #elif STRIDE_X == 1 /* STRIDE_X == 1 */ |
| vec4 s[2]; |
| #else /* STRIDE_X not equals 1 or 2 */ |
| #error STRIDE_X larger than 2 is not supported |
| #endif /* STRIDE_X == 2 */ |
| vec4 r; |
| uint offset; |
| // first line |
| offset = src.current_offset >> uint(3); |
| s = LOAD_AND_UNPACK(offset); |
| |
| pixels += CONVOLVE1x3(s, w[0]); |
| |
| // second line |
| offset = (src.current_offset + src_stride_y) >> uint(3); |
| s = LOAD_AND_UNPACK(offset); |
| |
| pixels += CONVOLVE1x3(s, w[1]); |
| |
| // third line |
| offset = (src.current_offset + (src_stride_y << 1)) >> uint(3); |
| s = LOAD_AND_UNPACK(offset); |
| |
| pixels += CONVOLVE1x3(s, w[2]); |
| |
| src.current_offset += src_stride_z; |
| weights.current_offset += weights_stride_z; |
| } |
| |
| #ifdef BIAS |
| uint packed_b; |
| float b; |
| LOAD1(packed_b, biases, vector_offset_fp16(biases, int(z_index)) >> 2); |
| |
| if(z_index % uint(2) == uint(0)) |
| { |
| b = unpackHalf2x16(packed_b).x; |
| } |
| else |
| { |
| b = unpackHalf2x16(packed_b).y; |
| } |
| |
| pixels += vec4(b); |
| #endif /* BIAS */ |
| |
| packed_d = uvec2(packHalf2x16(pixels.xy), packHalf2x16(pixels.zw)); |
| STORE1(dst, dst.current_offset >> uint(3), packed_d); |
| } |
| #elif defined(PROCESS_X_4ELEMENTS_Y_3ELEMENTS_FP16) |
| precision mediump float; |
| |
| BUFFER_DECLARATION(src, 1, uvec2, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec2, writeonly); |
| BUFFER_DECLARATION(weights, 3, uint, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, uint, readonly); |
| #endif /* BIAS */ |
| |
| #define CONVOLVE1x3(s, w) convolve1x3_stride1(s, w) |
| |
| vec4 convolve1x3_stride1(vec4 tmp[2], vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 r; |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[2] load_and_unpack(uint offset) |
| { |
| uvec2 packed_s[2]; |
| vec4 s[2]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| |
| return s; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4x3 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT_FP16(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP_FP16(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT_FP16(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP_FP16(biases); |
| #endif /* BIAS */ |
| |
| uvec2 packed_d; |
| |
| vec4 pixels[3]; |
| int i; |
| |
| for(i = 0; i < 3; i++) |
| { |
| pixels[i] = vec4(0); |
| } |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| uvec2 packed_w[3]; |
| |
| LOAD2(packed_w[0], weights, tensor3D_offset_fp16(weights, 0, 0, 0) >> 2); |
| LOAD2(packed_w[1], weights, tensor3D_offset_fp16(weights, 0, 1, 0) >> 2); |
| LOAD2(packed_w[2], weights, tensor3D_offset_fp16(weights, 0, 2, 0) >> 2); |
| |
| vec3 w[3]; |
| w[0] = vec3(unpackHalf2x16(packed_w[0].x), unpackHalf2x16(packed_w[0].y).x); |
| w[1] = vec3(unpackHalf2x16(packed_w[1].x), unpackHalf2x16(packed_w[1].y).x); |
| w[2] = vec3(unpackHalf2x16(packed_w[2].x), unpackHalf2x16(packed_w[2].y).x); |
| |
| vec4 s[2]; |
| vec4 r; |
| uint offset; |
| // first line |
| offset = src.current_offset >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[0]); |
| |
| // second line |
| offset = (src.current_offset + src_stride_y) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[1]); |
| pixels[1] += CONVOLVE1x3(s, w[0]); |
| |
| // third line |
| offset = (src.current_offset + (src_stride_y << 1)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[2]); |
| pixels[1] += CONVOLVE1x3(s, w[1]); |
| pixels[2] += CONVOLVE1x3(s, w[0]); |
| |
| // forth line |
| offset = (src.current_offset + uint(3) * (src_stride_y)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[1] += CONVOLVE1x3(s, w[2]); |
| pixels[2] += CONVOLVE1x3(s, w[1]); |
| |
| // fifth line |
| offset = (src.current_offset + (src_stride_y << 2)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[2] += CONVOLVE1x3(s, w[2]); |
| |
| src.current_offset += src_stride_z; |
| weights.current_offset += weights_stride_z; |
| } |
| |
| #ifdef BIAS |
| uint packed_b; |
| float b; |
| LOAD1(packed_b, biases, vector_offset_fp16(biases, int(z_index)) >> 2); |
| |
| if(z_index % uint(2) == uint(0)) |
| { |
| b = unpackHalf2x16(packed_b).x; |
| } |
| else |
| { |
| b = unpackHalf2x16(packed_b).y; |
| } |
| |
| for(i = 0; i < 3; i++) |
| { |
| pixels[i] += vec4(b); |
| } |
| #endif /* BIAS */ |
| |
| packed_d = uvec2(packHalf2x16(pixels[0].xy), packHalf2x16(pixels[0].zw)); |
| STORE1(dst, dst.current_offset >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[1].xy), packHalf2x16(pixels[1].zw)); |
| STORE1(dst, (dst.current_offset + dst_stride_y) >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[2].xy), packHalf2x16(pixels[2].zw)); |
| STORE1(dst, (dst.current_offset + (dst_stride_y << 1)) >> uint(3), packed_d); |
| } |
| #elif defined(PROCESS_X_4ELEMENTS_Y_4ELEMENTS_FP16) |
| precision mediump float; |
| |
| BUFFER_DECLARATION(src, 1, uvec2, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec2, writeonly); |
| BUFFER_DECLARATION(weights, 3, uint, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, uint, readonly); |
| #endif /* BIAS */ |
| |
| #define CONVOLVE1x3(s, w) convolve1x3_stride1(s, w) |
| |
| vec4 convolve1x3_stride1(vec4 tmp[2], vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 r; |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[2] load_and_unpack(uint offset) |
| { |
| uvec2 packed_s[2]; |
| vec4 s[2]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| |
| return s; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4x4 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT_FP16(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP_FP16(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT_FP16(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP_FP16(biases); |
| #endif /* BIAS */ |
| |
| uvec2 packed_d; |
| |
| vec4 pixels[4]; |
| int i; |
| |
| for(i = 0; i < 4; i++) |
| { |
| pixels[i] = vec4(0); |
| } |
| |
| uint z_index = gl_GlobalInvocationID.z; |
| |
| weights.current_offset += z_index * weights_stride_w; |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| uvec2 packed_w[3]; |
| |
| LOAD2(packed_w[0], weights, tensor3D_offset_fp16(weights, 0, 0, 0) >> 2); |
| LOAD2(packed_w[1], weights, tensor3D_offset_fp16(weights, 0, 1, 0) >> 2); |
| LOAD2(packed_w[2], weights, tensor3D_offset_fp16(weights, 0, 2, 0) >> 2); |
| |
| vec3 w[3]; |
| w[0] = vec3(unpackHalf2x16(packed_w[0].x), unpackHalf2x16(packed_w[0].y).x); |
| w[1] = vec3(unpackHalf2x16(packed_w[1].x), unpackHalf2x16(packed_w[1].y).x); |
| w[2] = vec3(unpackHalf2x16(packed_w[2].x), unpackHalf2x16(packed_w[2].y).x); |
| |
| vec4 s[2]; |
| vec4 r; |
| uint offset; |
| // first line |
| offset = src.current_offset >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[0]); |
| |
| // second line |
| offset = (src.current_offset + src_stride_y) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[1]); |
| pixels[1] += CONVOLVE1x3(s, w[0]); |
| |
| // third line |
| offset = (src.current_offset + (src_stride_y << 1)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[2]); |
| pixels[1] += CONVOLVE1x3(s, w[1]); |
| pixels[2] += CONVOLVE1x3(s, w[0]); |
| |
| // forth line |
| offset = (src.current_offset + uint(3) * (src_stride_y)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[1] += CONVOLVE1x3(s, w[2]); |
| pixels[2] += CONVOLVE1x3(s, w[1]); |
| pixels[3] += CONVOLVE1x3(s, w[0]); |
| |
| // fifth line |
| offset = (src.current_offset + (src_stride_y << 2)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[2] += CONVOLVE1x3(s, w[2]); |
| pixels[3] += CONVOLVE1x3(s, w[1]); |
| |
| // sixth line |
| offset = (src.current_offset + uint(5) * (src_stride_y)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[3] += CONVOLVE1x3(s, w[2]); |
| |
| src.current_offset += src_stride_z; |
| weights.current_offset += weights_stride_z; |
| } |
| |
| #ifdef BIAS |
| uint packed_b; |
| float b; |
| LOAD1(packed_b, biases, vector_offset_fp16(biases, int(z_index)) >> 2); |
| |
| if(z_index % uint(2) == uint(0)) |
| { |
| b = unpackHalf2x16(packed_b).x; |
| } |
| else |
| { |
| b = unpackHalf2x16(packed_b).y; |
| } |
| |
| for(i = 0; i < 4; i++) |
| { |
| pixels[i] += vec4(b); |
| } |
| #endif /* BIAS */ |
| |
| packed_d = uvec2(packHalf2x16(pixels[0].xy), packHalf2x16(pixels[0].zw)); |
| STORE1(dst, dst.current_offset >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[1].xy), packHalf2x16(pixels[1].zw)); |
| STORE1(dst, (dst.current_offset + dst_stride_y) >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[2].xy), packHalf2x16(pixels[2].zw)); |
| STORE1(dst, (dst.current_offset + (dst_stride_y << 1)) >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[3].xy), packHalf2x16(pixels[3].zw)); |
| STORE1(dst, (dst.current_offset + uint(3) * (dst_stride_y)) >> uint(3), packed_d); |
| } |
| #elif defined(PROCESS_X_4ELEMENTS_Y_3ELEMENTS_Z_2ELEMENTS_FP16) |
| precision mediump float; |
| |
| BUFFER_DECLARATION(src, 1, uvec2, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec2, writeonly); |
| BUFFER_DECLARATION(weights, 3, uint, readonly); |
| #ifdef BIAS |
| BUFFER_DECLARATION(biases, 4, uint, readonly); |
| #endif /* BIAS */ |
| |
| #define CONVOLVE1x3(s, w) convolve1x3_stride1(s, w) |
| |
| vec4 convolve1x3_stride1(vec4 tmp[2], vec3 w) |
| { |
| vec4 middle; |
| vec4 right; |
| vec4 r; |
| |
| middle = vec4(tmp[0].yzw, tmp[1].x); |
| right = vec4(tmp[0].zw, tmp[1].xy); |
| |
| r = tmp[0] * w[0] + middle * w[1] + right * w[2]; |
| |
| return r; |
| } |
| |
| vec4[2] load_and_unpack(uint offset) |
| { |
| uvec2 packed_s[2]; |
| vec4 s[2]; |
| |
| LOAD1(packed_s[0], src, offset); |
| LOAD1(packed_s[1], src, offset + uint(1)); |
| |
| s[0] = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| s[1] = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| |
| return s; |
| } |
| |
| /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 4x3x2 elements at once |
| * |
| * @note This OpenGL ES shader works with stride_x = 1 and 2 |
| * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" |
| * @note If biases are used then "define HAS_BIAS" has to be passed at compile time |
| * |
| * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] weights_ptr Pointer to the weights tensor. Supported data types: same as @p src_ptr |
| * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) |
| * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) |
| * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) |
| * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) |
| * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor |
| * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr |
| * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) |
| * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor |
| * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension |
| * @param[in] weights_depth The third dimensions of the weights tensors |
| */ |
| void main() |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT_FP16(src); |
| Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP_FP16(weights); |
| Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT_FP16(dst); |
| |
| #ifdef BIAS |
| Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP_FP16(biases); |
| #endif /* BIAS */ |
| |
| uvec2 packed_d; |
| |
| vec4 pixels[3]; |
| int i; |
| |
| uint z_base_index = gl_GlobalInvocationID.z << 1; |
| |
| // store orginal src current offset |
| uint s_offset = src.current_offset; |
| |
| weights.current_offset += z_base_index * weights_stride_w; |
| |
| for(int z = 0; z < 2; ++z) |
| { |
| uint z_index = z_base_index + uint(z); |
| |
| src.current_offset = s_offset; |
| //weights.current_offset = z_index * weights_stride_w; |
| |
| for(i = 0; i < 3; i++) |
| { |
| pixels[i] = vec4(0); |
| } |
| |
| for(int d = 0; d < int(weights_depth); ++d) |
| { |
| // load 3 weights once |
| uvec2 packed_w[3]; |
| |
| LOAD2(packed_w[0], weights, tensor3D_offset_fp16(weights, 0, 0, 0) >> 2); |
| LOAD2(packed_w[1], weights, tensor3D_offset_fp16(weights, 0, 1, 0) >> 2); |
| LOAD2(packed_w[2], weights, tensor3D_offset_fp16(weights, 0, 2, 0) >> 2); |
| |
| vec3 w[3]; |
| w[0] = vec3(unpackHalf2x16(packed_w[0].x), unpackHalf2x16(packed_w[0].y).x); |
| w[1] = vec3(unpackHalf2x16(packed_w[1].x), unpackHalf2x16(packed_w[1].y).x); |
| w[2] = vec3(unpackHalf2x16(packed_w[2].x), unpackHalf2x16(packed_w[2].y).x); |
| |
| vec4 s[2]; |
| vec4 r; |
| uint offset; |
| // first line |
| offset = src.current_offset >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[0]); |
| |
| // second line |
| offset = (src.current_offset + src_stride_y) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[1]); |
| pixels[1] += CONVOLVE1x3(s, w[0]); |
| |
| // third line |
| offset = (src.current_offset + (src_stride_y << 1)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[0] += CONVOLVE1x3(s, w[2]); |
| pixels[1] += CONVOLVE1x3(s, w[1]); |
| pixels[2] += CONVOLVE1x3(s, w[0]); |
| |
| // forth line |
| offset = (src.current_offset + uint(3) * (src_stride_y)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[1] += CONVOLVE1x3(s, w[2]); |
| pixels[2] += CONVOLVE1x3(s, w[1]); |
| |
| // fifth line |
| offset = (src.current_offset + (src_stride_y << 2)) >> uint(3); |
| s = load_and_unpack(offset); |
| |
| pixels[2] += CONVOLVE1x3(s, w[2]); |
| |
| src.current_offset += src_stride_z; |
| weights.current_offset += weights_stride_z; |
| } |
| |
| #ifdef BIAS |
| uint packed_b; |
| float b; |
| LOAD1(packed_b, biases, vector_offset_fp16(biases, int(z_index)) >> 2); |
| |
| if(z_index % uint(2) == uint(0)) |
| { |
| b = unpackHalf2x16(packed_b).x; |
| } |
| else |
| { |
| b = unpackHalf2x16(packed_b).y; |
| } |
| |
| for(i = 0; i < 3; i++) |
| { |
| pixels[i] += vec4(b); |
| } |
| #endif /* BIAS */ |
| |
| packed_d = uvec2(packHalf2x16(pixels[0].xy), packHalf2x16(pixels[0].zw)); |
| STORE1(dst, dst.current_offset >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[1].xy), packHalf2x16(pixels[1].zw)); |
| STORE1(dst, (dst.current_offset + dst_stride_y) >> uint(3), packed_d); |
| |
| packed_d = uvec2(packHalf2x16(pixels[2].xy), packHalf2x16(pixels[2].zw)); |
| STORE1(dst, (dst.current_offset + (dst_stride_y << 1)) >> uint(3), packed_d); |
| |
| dst.current_offset += dst_stride_z; |
| } |
| } |
| #endif /* PROCESS_1_ELEMENT */ |