/* * 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" #ifdef DATA_TYPE_FP32 precision highp float; /** This kernel performs a direct convolution to convolve the low three dimensions * * @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[out] 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 */ 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; }; 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 */ #define LOAD20(r, name, offset) \ r[0] = LOAD4(name, offset); \ r[1] = LOAD4(name, offset + uint(1)); \ r[2] = LOAD4(name, offset + uint(2)); \ r[3] = LOAD4(name, offset + uint(3)); \ r[4] = LOAD4(name, offset + uint(4)) /** 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; float temp[5]; float temp_weight[5]; for(int d = 0; d < int(weights_depth); ++d) { LOAD20(temp, src, offset(src, 0, 0)); LOAD20(temp_weight, weights, tensor3D_offset(weights, 0, 0, 0)); pixels += temp[0] * temp_weight[0] + temp[1] * temp_weight[1] + temp[2] * temp_weight[2] + temp[3] * temp_weight[3] + temp[4] * temp_weight[4]; LOAD20(temp, src, offset(src, 0, 1)); LOAD20(temp_weight, weights, tensor3D_offset(weights, 0, 1, 0)); pixels += temp[0] * temp_weight[0] + temp[1] * temp_weight[1] + temp[2] * temp_weight[2] + temp[3] * temp_weight[3] + temp[4] * temp_weight[4]; LOAD20(temp, src, offset(src, 0, 2)); LOAD20(temp_weight, weights, tensor3D_offset(weights, 0, 2, 0)); pixels += temp[0] * temp_weight[0] + temp[1] * temp_weight[1] + temp[2] * temp_weight[2] + temp[3] * temp_weight[3] + temp[4] * temp_weight[4]; LOAD20(temp, src, offset(src, 0, 3)); LOAD20(temp_weight, weights, tensor3D_offset(weights, 0, 3, 0)); pixels += temp[0] * temp_weight[0] + temp[1] * temp_weight[1] + temp[2] * temp_weight[2] + temp[3] * temp_weight[3] + temp[4] * temp_weight[4]; LOAD20(temp, src, offset(src, 0, 4)); LOAD20(temp_weight, weights, tensor3D_offset(weights, 0, 4, 0)); pixels += temp[0] * temp_weight[0] + temp[1] * temp_weight[1] + temp[2] * temp_weight[2] + temp[3] * temp_weight[3] + temp[4] * temp_weight[4]; 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(DATA_TYPE_FP16) precision mediump float; #if defined(PROCESS_4X_1Y_1Z) /** This kernel performs a direct convolution to convolve the low three dimensions * * @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[out] 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 */ 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; }; 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 == 1 #define LOAD_SRC(src, row) load_src_stride1(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) #elif STRIDE_X == 2 /* STRIDE_X == 1 */ #define LOAD_SRC(src, row) load_src_stride2(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride2(src, weight) #else /* STRDIDE_X == 1 */ #error STRIDE_X larger than 2 is not supported #endif /* STRIDE_X == 1 */ vec4[2] load_src_stride1(Image src, int row) { uvec2 packed[2]; vec4 ret[2]; GC_LOAD2_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); return ret; } vec4[3] load_src_stride2(Image src, int row) { uvec2 packed[3]; vec4 ret[3]; GC_LOAD3_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); ret[2] = vec4(unpackHalf2x16(packed[2].x), unpackHalf2x16(packed[2].y)); return ret; } vec2[3] load_weight(Tensor3D weights, int row) { uvec3 packed_w; vec2 ret[3]; GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); ret[0] = vec2(unpackHalf2x16(packed_w[0])); ret[1] = vec2(unpackHalf2x16(packed_w[1])); ret[2] = vec2(unpackHalf2x16(packed_w[2])); return ret; } vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) { vec4 src0 = tmp[0]; vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); vec4 src4 = tmp[1]; vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } vec4 convolve1x5_stride2(vec4 tmp[3], vec2 w[3]) { vec4 src0 = vec4(tmp[0].xz, tmp[1].xz); vec4 src1 = vec4(tmp[0].yw, tmp[1].yw); vec4 src2 = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); vec4 src3 = vec4(tmp[0].w, tmp[1].yw, tmp[2].y); vec4 src4 = vec4(tmp[1].x, tmp[1].z, tmp[2].xz); vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } /** 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_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 = GC_CONVERT_TO_IMAGE_STRUCT(src); Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); #ifdef BIAS Vector biases = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); #endif /* BIAS */ vec4 res = vec4(0); vec2 w[3]; vec4 s[STRIDE_X + 1]; uvec2 packed_d; uint z_index = gl_GlobalInvocationID.z; weights.current_offset += z_index * weights_stride_w; for(int d = 0; d < int(weights_depth); ++d) { for(int row = 0; row < 5; row++) { w = load_weight(weights, row); s = LOAD_SRC(src, row); res += CONVOLVE1x5(s, w); } src.current_offset += src_stride_z; weights.current_offset += weights_stride_z; } #ifdef BIAS uint packed_b; float b; GC_LOAD1_1D_OFFSET(packed_b, biases, z_index); b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; res += vec4(b); #endif /* BIAS */ packed_d = uvec2(packHalf2x16(res.xy), packHalf2x16(res.zw)); GC_STORE1_3D_OFFSET(packed_d, dst, 0, 0, 0); } #elif defined(PROCESS_4X_3Y_1Z) /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 3 elements @ Y 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[out] 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 */ 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; }; BUFFER_DECLARATION(src, 1, uvec2, readonly); BUFFER_DECLARATION(dst, 2, uvec2, writeonly); BUFFER_DECLARATION(weights, 3, uint, readonly); #ifdef BIAS BUFFER_DECLARATION(bias, 4, uint, readonly); #endif /* BIAS */ #if STRIDE_X == 1 #define LOAD_SRC(src, row) load_src_stride1(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) #elif STRIDE_X == 2 /* STRIDE_X == 1 */ #define LOAD_SRC(src, row) load_src_stride2(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride2(src, weight) #else /* STRDIDE_X == 1 */ #error STRIDE_X larger than 2 is not supported #endif /* STRIDE_X == 1 */ vec4[2] load_src_stride1(Image src, int row) { uvec2 packed[2]; vec4 ret[2]; GC_LOAD2_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); return ret; } vec4[3] load_src_stride2(Image src, int row) { uvec2 packed[3]; vec4 ret[3]; GC_LOAD3_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); ret[2] = vec4(unpackHalf2x16(packed[2].x), unpackHalf2x16(packed[2].y)); return ret; } vec2[3] load_weight(Tensor3D weights, int row) { uvec3 packed_w; vec2 ret[3]; GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); ret[0] = vec2(unpackHalf2x16(packed_w[0])); ret[1] = vec2(unpackHalf2x16(packed_w[1])); ret[2] = vec2(unpackHalf2x16(packed_w[2])); return ret; } vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) { vec4 src0 = tmp[0]; vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); vec4 src4 = tmp[1]; vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } vec4 convolve1x5_stride2(vec4 tmp[3], vec2 w[3]) { vec4 src0 = vec4(tmp[0].xz, tmp[1].xz); vec4 src1 = vec4(tmp[0].yw, tmp[1].yw); vec4 src2 = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); vec4 src3 = vec4(tmp[0].w, tmp[1].yw, tmp[2].y); vec4 src4 = vec4(tmp[1].x, tmp[1].z, tmp[2].xz); vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } void main() { Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); #ifdef BIAS Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); #endif /* BIAS */ vec4 res[3]; vec2 w[5][3]; vec4 s[STRIDE_X + 1]; uvec2 packed_d; uint z_index = gl_GlobalInvocationID.z; int i; for(i = 0; i < 3; i++) { res[i] = vec4(0); } weights.current_offset += z_index * weights_stride_w; for(int d = 0; d < int(weights_depth); ++d) { // load weights once for(int row = 0; row < 5; row++) { w[row] = load_weight(weights, row); } // 1st line s = LOAD_SRC(src, 0); res[0] += CONVOLVE1x5(s, w[0]); // 2nd line s = LOAD_SRC(src, 1); res[0] += CONVOLVE1x5(s, w[1]); res[1] += CONVOLVE1x5(s, w[0]); // 3rd line s = LOAD_SRC(src, 2); res[0] += CONVOLVE1x5(s, w[2]); res[1] += CONVOLVE1x5(s, w[1]); res[2] += CONVOLVE1x5(s, w[0]); // 4th line s = LOAD_SRC(src, 3); res[0] += CONVOLVE1x5(s, w[3]); res[1] += CONVOLVE1x5(s, w[2]); res[2] += CONVOLVE1x5(s, w[1]); // 5th line s = LOAD_SRC(src, 4); res[0] += CONVOLVE1x5(s, w[4]); res[1] += CONVOLVE1x5(s, w[3]); res[2] += CONVOLVE1x5(s, w[2]); // 6th line s = LOAD_SRC(src, 5); res[1] += CONVOLVE1x5(s, w[4]); res[2] += CONVOLVE1x5(s, w[3]); // 7th line s = LOAD_SRC(src, 6); res[2] += CONVOLVE1x5(s, w[4]); src.current_offset += src_stride_z; weights.current_offset += weights_stride_z; } #ifdef BIAS uint packed_b; float b; GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; for(i = 0; i < 3; i++) { res[i] += vec4(b); } #endif /* BIAS */ for(i = 0; i < 3; i++) { packed_d = uvec2(packHalf2x16(res[i].xy), packHalf2x16(res[i].zw)); GC_STORE1_3D_OFFSET(packed_d, dst, 0, i, 0); } } #elif defined(PROCESS_4X_3Y_2Z) /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 3 elements @ Y and 2 elements @ Z 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[out] 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 */ 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; }; BUFFER_DECLARATION(src, 1, uvec2, readonly); BUFFER_DECLARATION(dst, 2, uvec2, writeonly); BUFFER_DECLARATION(weights, 3, uint, readonly); #ifdef BIAS BUFFER_DECLARATION(bias, 4, uint, readonly); #endif /* BIAS */ #if STRIDE_X == 1 #define LOAD_SRC(src, row) load_src_stride1(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) #elif STRIDE_X == 2 /* STRIDE_X == 1 */ #define LOAD_SRC(src, row) load_src_stride2(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride2(src, weight) #else /* STRDIDE_X == 1 */ #error STRIDE_X larger than 2 is not supported #endif /* STRIDE_X == 1 */ vec4[2] load_src_stride1(Image src, int row) { uvec2 packed[2]; vec4 ret[2]; GC_LOAD2_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); return ret; } vec4[3] load_src_stride2(Image src, int row) { uvec2 packed[3]; vec4 ret[3]; GC_LOAD3_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); ret[2] = vec4(unpackHalf2x16(packed[2].x), unpackHalf2x16(packed[2].y)); return ret; } vec2[3] load_weight(Tensor3D weights, int row) { uvec3 packed_w; vec2 ret[3]; GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); ret[0] = vec2(unpackHalf2x16(packed_w[0])); ret[1] = vec2(unpackHalf2x16(packed_w[1])); ret[2] = vec2(unpackHalf2x16(packed_w[2])); return ret; } vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) { vec4 src0 = tmp[0]; vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); vec4 src4 = tmp[1]; vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } vec4 convolve1x5_stride2(vec4 tmp[3], vec2 w[3]) { vec4 src0 = vec4(tmp[0].xz, tmp[1].xz); vec4 src1 = vec4(tmp[0].yw, tmp[1].yw); vec4 src2 = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); vec4 src3 = vec4(tmp[0].w, tmp[1].yw, tmp[2].y); vec4 src4 = vec4(tmp[1].x, tmp[1].z, tmp[2].xz); vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } void main() { Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); #ifdef BIAS Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); #endif /* BIAS */ vec4 res[3]; vec2 w[5][3]; vec4 s[STRIDE_X + 1]; uvec2 packed_d; uint z_index = (gl_GlobalInvocationID.z); uint s_offset = src.current_offset; int i, z; weights.current_offset += z_index * weights_stride_w; for(z = 0; z < 2; z++) { z_index += uint(z); src.current_offset = s_offset; for(i = 0; i < 3; i++) { res[i] = vec4(0); } for(int d = 0; d < int(weights_depth); ++d) { // load weights once for(int row = 0; row < 5; row++) { w[row] = load_weight(weights, row); } // 1st line s = LOAD_SRC(src, 0); res[0] += CONVOLVE1x5(s, w[0]); // 2nd line s = LOAD_SRC(src, 1); res[0] += CONVOLVE1x5(s, w[1]); res[1] += CONVOLVE1x5(s, w[0]); // 3rd line s = LOAD_SRC(src, 2); res[0] += CONVOLVE1x5(s, w[2]); res[1] += CONVOLVE1x5(s, w[1]); res[2] += CONVOLVE1x5(s, w[0]); // 4th line s = LOAD_SRC(src, 3); res[0] += CONVOLVE1x5(s, w[3]); res[1] += CONVOLVE1x5(s, w[2]); res[2] += CONVOLVE1x5(s, w[1]); // 5th line s = LOAD_SRC(src, 4); res[0] += CONVOLVE1x5(s, w[4]); res[1] += CONVOLVE1x5(s, w[3]); res[2] += CONVOLVE1x5(s, w[2]); // 6th line s = LOAD_SRC(src, 5); res[1] += CONVOLVE1x5(s, w[4]); res[2] += CONVOLVE1x5(s, w[3]); // 7th line s = LOAD_SRC(src, 6); res[2] += CONVOLVE1x5(s, w[4]); src.current_offset += src_stride_z; weights.current_offset += weights_stride_z; } #ifdef BIAS uint packed_b; float b; GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; for(i = 0; i < 3; i++) { res[i] += vec4(b); } #endif /* BIAS */ for(i = 0; i < 3; i++) { packed_d = uvec2(packHalf2x16(res[i].xy), packHalf2x16(res[i].zw)); GC_STORE1_3D_OFFSET(packed_d, dst, 0, i, 0); } dst.current_offset += dst_stride_z; } } #elif defined(PROCESS_8X_1Y_1Z) /** An optimized direct convolution 3x3 OpenGL ES compute shader for process 8 elements @ X at once * * @note This OpenGL ES shader works with stride_x = 1 * @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[out] 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 */ 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; }; BUFFER_DECLARATION(src, 1, uvec4, readonly); BUFFER_DECLARATION(dst, 2, uvec4, writeonly); BUFFER_DECLARATION(weights, 3, uint, readonly); #ifdef BIAS BUFFER_DECLARATION(bias, 4, uint, readonly); #endif /* BIAS */ #if STRIDE_X == 1 #define LOAD_SRC(src, row) load_src_stride1(src, row) #define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) #elif STRIDE_X == 2 /* STRIDE_X == 1 */ #error stride == 2 for PROCESS_8X_1Y not implemented #else /* STRDIDE_X == 1 */ #error STRIDE_X larger than 2 is not supported #endif /* STRIDE_X == 1 */ vec4[3] load_src_stride1(Image src, int row) { uvec4 packed[2]; vec4 ret[3]; GC_LOAD2_2D_OFFSET(packed, src, 0, row); ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); ret[1] = vec4(unpackHalf2x16(packed[0].z), unpackHalf2x16(packed[0].w)); ret[2] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); return ret; } vec2[3] load_weight(Tensor3D weights, int row) { uvec3 packed_w; vec2 ret[3]; GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); ret[0] = vec2(unpackHalf2x16(packed_w[0])); ret[1] = vec2(unpackHalf2x16(packed_w[1])); ret[2] = vec2(unpackHalf2x16(packed_w[2])); return ret; } vec4[2] convolve1x5_stride1(vec4 tmp[3], vec2 w[3]) { vec4 src0 = tmp[0]; vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); vec4 src4 = tmp[1]; vec4 ret[2]; ret[0] = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; src0 = tmp[1]; src1 = vec4(tmp[1].yzw, tmp[2].x); src2 = vec4(tmp[1].zw, tmp[2].xy); src3 = vec4(tmp[1].w, tmp[2].xyz); src4 = tmp[2]; ret[1] = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; return ret; } void main() { Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); #ifdef BIAS Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); #endif /* BIAS */ vec4 res[2]; vec2 w[3]; vec4 s[STRIDE_X + 2]; uvec4 packed_d; uint z_index = gl_GlobalInvocationID.z; res[0] = vec4(0); res[1] = vec4(0); weights.current_offset += z_index * weights_stride_w; for(int d = 0; d < int(weights_depth); ++d) { for(int row = 0; row < 5; row++) { w = load_weight(weights, row); s = LOAD_SRC(src, row); res[0] += CONVOLVE1x5(s, w)[0]; res[1] += CONVOLVE1x5(s, w)[1]; } src.current_offset += src_stride_z; weights.current_offset += weights_stride_z; } #ifdef BIAS uint packed_b; float b; GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; res[0] += vec4(b); res[1] += vec4(b); #endif /* BIAS */ packed_d.xy = uvec2(packHalf2x16(res[0].xy), packHalf2x16(res[0].zw)); packed_d.zw = uvec2(packHalf2x16(res[1].xy), packHalf2x16(res[1].zw)); GC_STORE1_3D_OFFSET(packed_d, dst, 0, 0, 0); } #else /* defined(PROCESS_4X_1Y_1Z) */ #endif /* defined(PROCESS_4X_1Y_1Z) */ #else /* DATA_TYPE_FP16 */ #error Data type not supported #endif /* DATA_TYPE_FP16 */