diff options
Diffstat (limited to 'src/core/GLES_COMPUTE/cs_shaders/transpose.cs')
-rwxr-xr-x | src/core/GLES_COMPUTE/cs_shaders/transpose.cs | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/core/GLES_COMPUTE/cs_shaders/transpose.cs b/src/core/GLES_COMPUTE/cs_shaders/transpose.cs new file mode 100755 index 0000000000..6d020fe70d --- /dev/null +++ b/src/core/GLES_COMPUTE/cs_shaders/transpose.cs @@ -0,0 +1,187 @@ +/* + * 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; + +BUFFER_DECLARATION(src, 1, uvec2, readonly); +BUFFER_DECLARATION(dst, 2, uvec2, writeonly); + +layout(std140) uniform shader_params +{ + IMAGE_PARAM_DECLARATION(src); + IMAGE_PARAM_DECLARATION(dst); +}; + +/** 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)); +} +#endif /*ARM_COMPUTE_ENABLE_FP16*/ |