| /* |
| * 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; |
| |
| BUFFER_DECLARATION(src, 1, float, readonly); |
| BUFFER_DECLARATION(dst, 2, float, writeonly); |
| |
| layout(std140) uniform shader_params |
| { |
| IMAGE_PARAM_DECLARATION(src); |
| IMAGE_PARAM_DECLARATION(dst); |
| }; |
| |
| #define LOAD16(r, name, offset) \ |
| r.x = LOAD4(name, offset); \ |
| r.y = LOAD4(name, offset + uint(1)); \ |
| r.z = LOAD4(name, offset + uint(2)); \ |
| r.w = LOAD4(name, offset + uint(3)) |
| |
| #define STORE16(name, offset, r) \ |
| STORE4(name, offset, r.x); \ |
| STORE4(name, offset + uint(1), r.y); \ |
| STORE4(name, offset + uint(2), r.z); \ |
| STORE4(name, offset + uint(3), r.w) |
| |
| /** This OpenGL ES kernel computes the matrix transposition of input matrix |
| * |
| * @param[in] src_ptr Pointer to the source matrix. Supported data types: F32 |
| * @param[in] src_stride_x Stride of the source matrix 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 matrix 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_offset_first_element_in_bytes The offset of the first element in the source matrix |
| * @param[out] dst_ptr Pointer to the destination matrix Supported data type: same as src_ptr |
| * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes) |
| * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix |
| */ |
| void main(void) |
| { |
| // Compute source address |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| // Load the NxN block at (x, y) |
| vec4 u0; |
| vec4 u1; |
| vec4 u2; |
| vec4 u3; |
| LOAD16(u0, src, offset(src, 0, 0)); |
| LOAD16(u1, src, offset(src, 0, 1)); |
| LOAD16(u2, src, offset(src, 0, 2)); |
| LOAD16(u3, src, offset(src, 0, 3)); |
| |
| // Transpose the block |
| vec4 tmp; |
| tmp.xyz = u0.yzw; |
| u0.y = u1.x; |
| u0.z = u2.x; |
| u0.w = u3.x; |
| u1.x = tmp.x; |
| u2.x = tmp.y; |
| u3.x = tmp.z; |
| tmp.xy = u1.zw; |
| u1.z = u2.y; |
| u1.w = u3.y; |
| u2.y = tmp.x; |
| u3.y = tmp.y; |
| tmp.x = u2.w; |
| u2.w = u3.z; |
| u3.z = tmp.x; |
| |
| // Store the block at (y, x) |
| uint dst_offset_in_bytes = uint(16) * uint(gl_GlobalInvocationID.y) + uint(4) * uint(gl_GlobalInvocationID.x) * (dst.stride_y) + (dst.offset_first_element_in_bytes); |
| |
| STORE16(dst, uint((dst_offset_in_bytes + uint(0) * dst.stride_y) >> 2), u0); |
| STORE16(dst, uint((dst_offset_in_bytes + uint(1) * dst.stride_y) >> 2), u1); |
| STORE16(dst, uint((dst_offset_in_bytes + uint(2) * dst.stride_y) >> 2), u2); |
| STORE16(dst, uint((dst_offset_in_bytes + uint(3) * dst.stride_y) >> 2), u3); |
| } |
| |
| #elif defined(DATA_TYPE_FP16) |
| precision mediump float; |
| |
| layout(std140) uniform shader_params |
| { |
| IMAGE_PARAM_DECLARATION(src); |
| IMAGE_PARAM_DECLARATION(dst); |
| }; |
| |
| #if defined(TRANSPOSE_4X4) |
| BUFFER_DECLARATION(src, 1, uvec2, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec2, writeonly); |
| |
| /** This OpenGL ES kernel computes the matrix transposition of input matrix |
| * |
| * @param[in] src_ptr Pointer to the source matrix. Supported data types: F16 |
| * @param[in] src_stride_x Stride of the source matrix 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 matrix 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_offset_first_element_in_bytes The offset of the first element in the source matrix |
| * @param[out] dst_ptr Pointer to the destination matrix Supported data type: same as src_ptr |
| * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes) |
| * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix |
| */ |
| void main(void) |
| { |
| // Compute source address |
| Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = GC_CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| // Load the NxN block at (x, y) |
| vec4 u0; |
| vec4 u1; |
| vec4 u2; |
| vec4 u3; |
| uvec2 packed_s[4]; |
| GC_LOAD1_2D_OFFSET(packed_s[0], src, 0, 0); |
| GC_LOAD1_2D_OFFSET(packed_s[1], src, 0, 1); |
| GC_LOAD1_2D_OFFSET(packed_s[2], src, 0, 2); |
| GC_LOAD1_2D_OFFSET(packed_s[3], src, 0, 3); |
| u0 = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y)); |
| u1 = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y)); |
| u2 = vec4(unpackHalf2x16(packed_s[2].x), unpackHalf2x16(packed_s[2].y)); |
| u3 = vec4(unpackHalf2x16(packed_s[3].x), unpackHalf2x16(packed_s[3].y)); |
| |
| // Transpose the block |
| vec4 tmp; |
| tmp.xyz = u0.yzw; |
| u0.y = u1.x; |
| u0.z = u2.x; |
| u0.w = u3.x; |
| u1.x = tmp.x; |
| u2.x = tmp.y; |
| u3.x = tmp.z; |
| tmp.xy = u1.zw; |
| u1.z = u2.y; |
| u1.w = u3.y; |
| u2.y = tmp.x; |
| u3.y = tmp.y; |
| tmp.x = u2.w; |
| u2.w = u3.z; |
| u3.z = tmp.x; |
| |
| // Store the block at (y, x) |
| uint dst_offset_in_bytes = uint(8) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_step_y) + (dst.offset_first_element_in_bytes); |
| |
| packed_s[0] = uvec2(packHalf2x16(u0.xy), packHalf2x16(u0.zw)); |
| packed_s[1] = uvec2(packHalf2x16(u1.xy), packHalf2x16(u1.zw)); |
| packed_s[2] = uvec2(packHalf2x16(u2.xy), packHalf2x16(u2.zw)); |
| packed_s[3] = uvec2(packHalf2x16(u3.xy), packHalf2x16(u3.zw)); |
| GC_STORE1(packed_s[0], dst, uint((dst_offset_in_bytes + uint(0) * dst_stride_y) >> 3)); |
| GC_STORE1(packed_s[1], dst, uint((dst_offset_in_bytes + uint(1) * dst_stride_y) >> 3)); |
| GC_STORE1(packed_s[2], dst, uint((dst_offset_in_bytes + uint(2) * dst_stride_y) >> 3)); |
| GC_STORE1(packed_s[3], dst, uint((dst_offset_in_bytes + uint(3) * dst_stride_y) >> 3)); |
| } |
| #elif defined(TRANSPOSE_8X8) /* TRANSPOSE_4X4 */ |
| BUFFER_DECLARATION(src, 1, uvec4, readonly); |
| BUFFER_DECLARATION(dst, 2, uvec4, writeonly); |
| |
| #define SWAP_ROW(u0, l0) \ |
| { \ |
| tmp_swap = u0; \ |
| u0 = l0; \ |
| l0 = tmp_swap; \ |
| } |
| |
| #define SWAP_4x4(u0, u1, u2, u3, l0, l1, l2, l3) \ |
| { \ |
| vec4 tmp_swap; \ |
| SWAP_ROW(u0, l0); \ |
| SWAP_ROW(u1, l1); \ |
| SWAP_ROW(u2, l2); \ |
| SWAP_ROW(u3, l3); \ |
| } |
| |
| #define TRANSPOSE_4x4(u0, u1, u2, u3) \ |
| { \ |
| vec4 tmp; \ |
| tmp.xyz = u0.yzw; \ |
| u0.y = u1.x; \ |
| u0.z = u2.x; \ |
| u0.w = u3.x; \ |
| u1.x = tmp.x; \ |
| u2.x = tmp.y; \ |
| u3.x = tmp.z; \ |
| tmp.xy = u1.zw; \ |
| u1.z = u2.y; \ |
| u1.w = u3.y; \ |
| u2.y = tmp.x; \ |
| u3.y = tmp.y; \ |
| tmp.x = u2.w; \ |
| u2.w = u3.z; \ |
| u3.z = tmp.x; \ |
| } |
| |
| /** This OpenGL ES kernel computes the matrix transposition of input matrix |
| * |
| * @param[in] src_ptr Pointer to the source matrix. Supported data types:F16 |
| * @param[in] src_stride_x Stride of the source matrix 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 matrix 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_offset_first_element_in_bytes The offset of the first element in the source matrix |
| * @param[out] dst_ptr Pointer to the destination matrix Supported data type: same as src_ptr |
| * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes) |
| * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix |
| */ |
| void main(void) |
| { |
| // Compute source address |
| Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = GC_CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| vec4 u[8][2]; |
| |
| uvec4 packed_s[8]; |
| |
| for(int i = 0; i < 8; i++) |
| { |
| GC_LOAD1_2D_OFFSET(packed_s[i], src, 0, i); |
| u[i][0] = vec4(unpackHalf2x16(packed_s[i].x), unpackHalf2x16(packed_s[i].y)); |
| u[i][1] = vec4(unpackHalf2x16(packed_s[i].z), unpackHalf2x16(packed_s[i].w)); |
| } |
| |
| // Transpose the block |
| TRANSPOSE_4x4(u[0][0], u[1][0], u[2][0], u[3][0]); |
| TRANSPOSE_4x4(u[0][1], u[1][1], u[2][1], u[3][1]); |
| TRANSPOSE_4x4(u[4][0], u[5][0], u[6][0], u[7][0]); |
| TRANSPOSE_4x4(u[4][1], u[5][1], u[6][1], u[7][1]); |
| SWAP_4x4(u[0][1], u[1][1], u[2][1], u[3][1], u[4][0], u[5][0], u[6][0], u[7][0]); |
| |
| // Store the block at (y, x) |
| uint dst_offset_in_bytes = uint(16) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_step_y) + (dst.offset_first_element_in_bytes); |
| |
| for(int i = 0; i < 8; i++) |
| { |
| packed_s[i] = uvec4(packHalf2x16(u[i][0].xy), packHalf2x16(u[i][0].zw), packHalf2x16(u[i][1].xy), packHalf2x16(u[i][1].zw)); |
| GC_STORE1(packed_s[i], dst, uint((dst_offset_in_bytes + uint(i) * dst_stride_y) >> 4)); |
| } |
| } |
| #endif /* TRANSPOSE_4X4 */ |
| #endif /*ARM_COMPUTE_ENABLE_FP16*/ |