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/*
* Copyright (c) 2017, 2018 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_cs.h"
#if defined(DATA_TYPE_FP16)
precision mediump float;
#endif // DATA_TYPE_FP16
#define SWAP_ROW_func(u0, l0) \
{ \
tmp_swap = u0; \
u0 = l0; \
l0 = tmp_swap; \
}
#define SWAP_4x4_func(u0, u1, u2, u3, l0, l1, l2, l3) \
{ \
vec4 tmp_swap; \
SWAP_ROW_func(u0, l0); \
SWAP_ROW_func(u1, l1); \
SWAP_ROW_func(u2, l2); \
SWAP_ROW_func(u3, l3); \
}
#define TRANSPOSE_4x4_func(u0, u1, u2, u3) \
{ \
mat4x4 matin, matout; \
matin[0] = u0; \
matin[1] = u1; \
matin[2] = u2; \
matin[3] = u3; \
matout = transpose(matin); \
u0 = matout[0]; \
u1 = matout[1]; \
u2 = matout[2]; \
u3 = matout[3]; \
}
/** This OpenGL ES kernel computes the matrix transposition of input matrix
*
* @note The data type must be passed at compile time using "#define DATA_TYPE_NAME". e.g. "#define DATA_TYPE_FP32"
* @note Optimization name must be passed using "#define OPTIMIZATION_NAME" for F16. e.g. "#define TRANSPOSE_8X8"
*
* @param[in] src_ptr Pointer to the source matrix. Supported data types: F32/F16
* @param[in] src_attrs The attributes of the source matrix
* @param[out] dst_ptr Pointer to the destination matrix Supported data type: same as src_ptr
* @param[in] dst_attrs The attributes of the destination matrix
*/
SHADER_PARAMS_DECLARATION
{
ImageAttributes src_attrs;
ImageAttributes dst_attrs;
};
#ifdef DATA_TYPE_FP32
TENSOR_DECLARATION(1, srcBuffer, float, src_ptr, src_shift, 2, readonly);
TENSOR_DECLARATION(2, dstBuffer, float, dst_ptr, dst_shift, 2, writeonly);
void main(void)
{
// compute source address
ImageIterator src_iter = CONVERT_TO_IMAGE_ITERATOR(src_attrs, src_shift);
ImageIterator dst_iter = CONVERT_TO_IMAGE_ITERATOR_NO_STEP(dst_attrs, dst_shift);
// load the NxN block at (x, y)
vec4 u0 = VLOAD4(vec4, src_ptr, IMAGE_OFFSET(src_iter, 0, 0));
vec4 u1 = VLOAD4(vec4, src_ptr, IMAGE_OFFSET(src_iter, 0, 1));
vec4 u2 = VLOAD4(vec4, src_ptr, IMAGE_OFFSET(src_iter, 0, 2));
vec4 u3 = VLOAD4(vec4, src_ptr, IMAGE_OFFSET(src_iter, 0, 3));
// transpose the block
TRANSPOSE_4x4_func(u0, u1, u2, u3);
// store the block at (y, x)
TENSOR_ITERATOR_ADVANCE_IN_BYTES(dst_iter, uint(16) * uint(gl_GlobalInvocationID.y) + uint(4) * uint(gl_GlobalInvocationID.x) * (dst_attrs.stride_y));
VSTORE4(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 0), u0);
VSTORE4(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 1), u1);
VSTORE4(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 2), u2);
VSTORE4(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 3), u3);
}
#elif defined(DATA_TYPE_FP16) /* DATA_TYPE_FP16 */
#if defined(TRANSPOSE_4X4)
TENSOR_DECLARATION(1, srcBuffer, uvec2, src_ptr, src_shift, 3, readonly);
TENSOR_DECLARATION(2, dstBuffer, uvec2, dst_ptr, dst_shift, 3, writeonly);
void main(void)
{
// compute source address
ImageIterator src_iter = CONVERT_TO_IMAGE_ITERATOR(src_attrs, src_shift);
ImageIterator dst_iter = CONVERT_TO_IMAGE_ITERATOR_NO_STEP(dst_attrs, dst_shift);
// load the NxN block at (x, y)
vec4 u0 = LOAD_UNPACK4_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, 0));
vec4 u1 = LOAD_UNPACK4_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, 1));
vec4 u2 = LOAD_UNPACK4_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, 2));
vec4 u3 = LOAD_UNPACK4_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, 3));
// transpose the block
TRANSPOSE_4x4_func(u0, u1, u2, u3);
// store the block at (y, x)
TENSOR_ITERATOR_ADVANCE_IN_BYTES(dst_iter, uint(8) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_attrs.step_y));
STORE_PACK4_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 0), u0);
STORE_PACK4_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 1), u1);
STORE_PACK4_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 2), u2);
STORE_PACK4_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, 3), u3);
}
#elif defined(TRANSPOSE_8X8) /* TRANSPOSE_8X8 */
TENSOR_DECLARATION(1, srcBuffer, uvec4, src_ptr, src_shift, 4, readonly);
TENSOR_DECLARATION(2, dstBuffer, uvec4, dst_ptr, dst_shift, 4, writeonly);
void main(void)
{
// compute source address
ImageIterator src_iter = CONVERT_TO_IMAGE_ITERATOR(src_attrs, src_shift);
ImageIterator dst_iter = CONVERT_TO_IMAGE_ITERATOR_NO_STEP(dst_attrs, dst_shift);
vec4 u[8][2];
for(int i = 0; i < 8; i++)
{
u[i] = LOAD_UNPACK8_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, i));
}
// transpose the block
TRANSPOSE_4x4_func(u[0][0], u[1][0], u[2][0], u[3][0]);
TRANSPOSE_4x4_func(u[0][1], u[1][1], u[2][1], u[3][1]);
TRANSPOSE_4x4_func(u[4][0], u[5][0], u[6][0], u[7][0]);
TRANSPOSE_4x4_func(u[4][1], u[5][1], u[6][1], u[7][1]);
SWAP_4x4_func(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)
TENSOR_ITERATOR_ADVANCE_IN_BYTES(dst_iter, uint(16) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_attrs.step_y));
for(int i = 0; i < 8; i++)
{
STORE_PACK8_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, i), u[i]);
}
}
#elif defined(TRANSPOSE_8X8_SQUARE) /* TRANSPOSE_8x8_SQUARE */
TENSOR_DECLARATION(1, srcBuffer, uvec4, src_ptr, src_shift, 4, readonly);
TENSOR_DECLARATION(2, dstBuffer, uvec4, dst_ptr, dst_shift, 4, writeonly);
void main(void)
{
ImageIterator src_iter = CONVERT_TO_IMAGE_ITERATOR(src_attrs, src_shift);
ImageIterator dst_iter = CONVERT_TO_IMAGE_ITERATOR_NO_STEP(dst_attrs, dst_shift);
if(gl_GlobalInvocationID.x <= gl_GlobalInvocationID.y)
{
uint blk1_offset_in_bytes = CURRENT_ITEM_OFFSET_IN_BYTES(src_iter);
TENSOR_ITERATOR_ADVANCE_IN_BYTES(dst_iter, uint(16) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_attrs.step_y));
uint blk2_offset_in_bytes = CURRENT_ITEM_OFFSET_IN_BYTES(dst_iter);
// load block1
vec4 u1[8][2];
SET_TENSOR_ITERATOR_OFFSET_IN_BYTES(src_iter, blk1_offset_in_bytes);
for(int i = 0; i < 8; i++)
{
u1[i] = LOAD_UNPACK8_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, i));
}
// transpose block1
TRANSPOSE_4x4_func(u1[0][0], u1[1][0], u1[2][0], u1[3][0]);
TRANSPOSE_4x4_func(u1[0][1], u1[1][1], u1[2][1], u1[3][1]);
TRANSPOSE_4x4_func(u1[4][0], u1[5][0], u1[6][0], u1[7][0]);
TRANSPOSE_4x4_func(u1[4][1], u1[5][1], u1[6][1], u1[7][1]);
SWAP_4x4_func(u1[0][1], u1[1][1], u1[2][1], u1[3][1], u1[4][0], u1[5][0], u1[6][0], u1[7][0]);
// write to block2
SET_TENSOR_ITERATOR_OFFSET_IN_BYTES(dst_iter, blk2_offset_in_bytes);
for(int i = 0; i < 8; i++)
{
STORE_PACK8_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, i), u1[i]);
}
// load block2
vec4 u2[8][2];
SET_TENSOR_ITERATOR_OFFSET_IN_BYTES(src_iter, blk2_offset_in_bytes);
for(int i = 0; i < 8; i++)
{
u2[i] = LOAD_UNPACK8_HALF(src_ptr, IMAGE_OFFSET(src_iter, 0, i));
}
// transpose block2
TRANSPOSE_4x4_func(u2[0][0], u2[1][0], u2[2][0], u2[3][0]);
TRANSPOSE_4x4_func(u2[0][1], u2[1][1], u2[2][1], u2[3][1]);
TRANSPOSE_4x4_func(u2[4][0], u2[5][0], u2[6][0], u2[7][0]);
TRANSPOSE_4x4_func(u2[4][1], u2[5][1], u2[6][1], u2[7][1]);
SWAP_4x4_func(u2[0][1], u2[1][1], u2[2][1], u2[3][1], u2[4][0], u2[5][0], u2[6][0], u2[7][0]);
// write to block1
SET_TENSOR_ITERATOR_OFFSET_IN_BYTES(dst_iter, blk1_offset_in_bytes);
for(int i = 0; i < 8; i++)
{
STORE_PACK8_HALF(dst_ptr, IMAGE_OFFSET(dst_iter, 0, i), u2[i]);
}
}
}
#endif /* TRANSPOSE_4X4 */
#endif /* DATA_TYPE_FP32 */
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