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/*
* Copyright (c) 2023 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.
*/
#include "src/cl/helpers/CLMemoryOpImage2dHelper.h"
#include "ckw/Error.h"
#include "ckw/TensorSampler.h"
#include "ckw/types/MemoryOperation.h"
#include "ckw/types/TensorStorageType.h"
#include "src/cl/CLKernelWriter.h"
#include "src/cl/CLTensorArgument.h"
#include "src/cl/CLTile.h"
#include "src/ITensor.h"
#include "src/Tensor3dMapper.h"
#include "src/TileView.h"
namespace ckw
{
void CLMemoryOpImage2dHelper::initialize(const CLTile *x, const CLTile *z, const CLTile *b)
{
_coord_x = x->scalar(0, 0).str;
_coord_z = z->scalar(0, 0).str;
_coord_b = b->scalar(0, 0).str;
}
void CLMemoryOpImage2dHelper::write_row(int32_t row_id, const std::string &coord_y)
{
// The only check required is on Y.
out_of_bound_initialize_y(coord_y);
const std::string dst = _dst.vector(row_id).str;
const std::string sampler = to_ls_image2d_sampler();
const std::string coord = to_ls_image2d_address(_coord_x, coord_y, _coord_z, _coord_b);
const std::string ls_buf = to_ls_image2d(_op, _ls_width_full, dst, sampler, coord);
_writer->op_write_raw_code(ls_buf + ";\n");
out_of_bound_finalize_y();
}
void CLMemoryOpImage2dHelper::finalize()
{
}
bool CLMemoryOpImage2dHelper::validate(const CLKernelWriter *writer,
const ITensor *tensor,
const TensorSampler *sampler,
const Tensor3dMapper *mapper,
MemoryOperation op,
const TileView<CLTile> &dst)
{
CKW_UNUSED(writer, tensor, mapper);
if (dst.width() != 4)
{
return false;
}
if (sampler->address_mode_x() != TensorSamplerAddressModeX::None)
{
return false;
}
if (sampler->address_mode_z() != TensorSamplerAddressModeZ::None)
{
return false;
}
if (sampler->storage() != TensorStorageType::Texture2dReadOnly && op == MemoryOperation::Load)
{
return false;
}
if (sampler->storage() != TensorStorageType::Texture2dWriteOnly && op == MemoryOperation::Store)
{
return false;
}
if ((dst.data_type() != DataType::Fp32) && (dst.data_type() != DataType::Fp16))
{
return false;
}
return true;
}
void CLMemoryOpImage2dHelper::out_of_bound_initialize_y(const std::string &coord)
{
CKW_UNUSED(coord);
const TensorSamplerAddressModeY address_mode_y = _sampler->address_mode_y();
switch (address_mode_y)
{
case TensorSamplerAddressModeY::SkipLessThanZero:
_writer->op_write_raw_code("if(" + coord + " >= 0)\n{\n");
break;
case TensorSamplerAddressModeY::ClampToBorderMaxOnly:
case TensorSamplerAddressModeY::None:
break;
default:
CKW_THROW_MSG("Unsupported address mode for Y dimension");
}
}
void CLMemoryOpImage2dHelper::out_of_bound_finalize_y()
{
const TensorSamplerAddressModeY address_mode_y = _sampler->address_mode_y();
switch (address_mode_y)
{
case TensorSamplerAddressModeY::SkipLessThanZero:
_writer->op_write_raw_code("}\n");
break;
case TensorSamplerAddressModeY::ClampToBorderMaxOnly:
case TensorSamplerAddressModeY::None:
break;
default:
CKW_THROW_MSG("Unsupported address mode for Y dimension");
}
}
std::string CLMemoryOpImage2dHelper::to_ls_image2d(MemoryOperation op,
int32_t vector_width,
const std::string &data,
const std::string &sampler,
const std::string &address) const
{
CKW_UNUSED(vector_width);
CKW_ASSERT_MSG(_dst.data_type() == DataType::Fp32 || _dst.data_type() == DataType::Fp16,
"Image2d only supports floating-point data type");
const TensorStorageType tensor_storage = _sampler->storage();
const std::string image2d_obj = _tensor->storage(tensor_storage).val;
const std::string post_fix = _dst.data_type() == DataType::Fp32 ? "f" : "h";
switch (op)
{
case MemoryOperation::Load:
return data + " = read_image" + post_fix + "(" + image2d_obj + ", " + sampler + ", " + address + ")";
break;
case MemoryOperation::Store:
return "write_image" + post_fix + "(" + image2d_obj + ", " + address + ", " + data + ")";
default:
CKW_THROW_MSG("Unsupported MemoryOperation");
}
}
std::string CLMemoryOpImage2dHelper::to_ls_image2d_sampler() const
{
const auto address_mode_y = _sampler->address_mode_y();
switch (address_mode_y)
{
case TensorSamplerAddressModeY::None:
return "CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_NONE | CLK_FILTER_NEAREST";
case TensorSamplerAddressModeY::SkipLessThanZero:
case TensorSamplerAddressModeY::ClampToBorderMaxOnly:
return "CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP | CLK_FILTER_NEAREST";
default:
CKW_THROW_MSG("Unsupported address_mode_coord");
}
}
std::string CLMemoryOpImage2dHelper::to_ls_image2d_address(const std::string &x,
const std::string &y,
const std::string &z,
const std::string &b) const
{
std::string coord_x = "(" + x + ") >> 2";
std::string coord_y = "(";
if (y != "0")
{
coord_y += y;
}
if (z != "0" && (_mapper->dim_z().str != "1"))
{
const std::string dim = _mapper->dim_y().str;
coord_y += " + (";
coord_y += z + ")";
coord_y += " * ";
coord_y += dim;
}
if (b != "0" && (_mapper->dim_batch().str != "1"))
{
const std::string dim0 = _mapper->dim_y().str;
const std::string dim1 = _mapper->dim_z().str;
coord_y += " + (";
coord_y += b + ")";
coord_y += " * ";
coord_y += dim0;
coord_y += " * ";
coord_y += dim1;
}
coord_y += ")";
return "(int2)(" + coord_x + ", " + coord_y + ")";
}
} // namespace ckw
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