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/*
* Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Texture2d.h"
namespace onert
{
namespace backend
{
namespace gpu_cl
{
namespace
{
// Creates new 4-channel 2D texture with cl_channel_type elements
absl::Status CreateTexture2D(int width, int height, DataType type, void *data, CLContext *context,
Texture2D *result)
{
cl_mem texture;
cl_channel_type channel_type = DataTypeToChannelType(type);
RETURN_IF_ERROR(
CreateRGBAImage2D(context->context(), width, height, channel_type, data, &texture));
*result = Texture2D(texture, width, height, channel_type);
return absl::OkStatus();
}
} // namespace
Texture2DDescriptor::Texture2DDescriptor(Texture2DDescriptor &&desc)
: GPUObjectDescriptor(std::move(desc)), element_type(desc.element_type),
normalized(desc.normalized), normalized_type(desc.normalized_type), size(desc.size),
data(std::move(desc.data))
{
}
Texture2DDescriptor &Texture2DDescriptor::operator=(Texture2DDescriptor &&desc)
{
if (this != &desc)
{
std::swap(element_type, desc.element_type);
std::swap(normalized, desc.normalized);
std::swap(normalized_type, desc.normalized_type);
std::swap(size, desc.size);
data = std::move(desc.data);
GPUObjectDescriptor::operator=(std::move(desc));
}
return *this;
}
void Texture2DDescriptor::Release() { data.clear(); }
GPUResources Texture2DDescriptor::GetGPUResources() const
{
GPUResources resources;
GPUImage2DDescriptor desc;
desc.data_type = element_type;
desc.access_type = access_type_;
resources.images2d.push_back({"tex2d", desc});
return resources;
}
absl::Status Texture2DDescriptor::PerformSelector(const std::string &selector,
const std::vector<std::string> &args,
const std::vector<std::string> &,
std::string *result) const
{
if (selector == "Read")
{
return PerformReadSelector(args, result);
}
else
{
return absl::NotFoundError(
absl::StrCat("Texture2DDescriptor don't have selector with name - ", selector));
}
}
absl::Status Texture2DDescriptor::PerformReadSelector(const std::vector<std::string> &args,
std::string *result) const
{
if (args.size() != 2)
{
return absl::NotFoundError(absl::StrCat("Texture2DDescriptor Read require two arguments, but ",
args.size(), " was passed"));
}
std::string read;
switch (element_type)
{
case DataType::FLOAT32:
read = "read_imagef";
break;
case DataType::FLOAT16:
read = "read_imageh";
break;
case DataType::INT8:
case DataType::INT16:
case DataType::INT32:
if (normalized)
{
read = normalized_type == DataType::FLOAT16 ? "read_imageh" : "read_imagef";
}
else
{
read = "read_imagei";
}
break;
case DataType::UINT8:
case DataType::UINT16:
case DataType::UINT32:
if (normalized)
{
read = normalized_type == DataType::FLOAT16 ? "read_imageh" : "read_imagef";
}
else
{
read = "read_imageui";
}
break;
default:
read = "unknown_type";
break;
}
*result = absl::StrCat(read, "(tex2d, smp_none, (int2)(", args[0], ", " + args[1] + "))");
return absl::OkStatus();
}
absl::Status Texture2DDescriptor::CreateGPUObject(CLContext *context, GPUObjectPtr *result) const
{
Texture2D gpu_texture;
RETURN_IF_ERROR(gpu_texture.CreateFromTexture2DDescriptor(*this, context));
*result = absl::make_unique<Texture2D>(std::move(gpu_texture));
return absl::OkStatus();
}
Texture2D::Texture2D(cl_mem texture, int width, int height, cl_channel_type type)
: texture_(texture), width_(width), height_(height), channel_type_(type)
{
}
Texture2D::Texture2D(Texture2D &&texture)
: texture_(texture.texture_), width_(texture.width_), height_(texture.height_),
channel_type_(texture.channel_type_)
{
texture.texture_ = nullptr;
texture.width_ = 0;
texture.height_ = 0;
}
Texture2D &Texture2D::operator=(Texture2D &&texture)
{
if (this != &texture)
{
Release();
std::swap(channel_type_, texture.channel_type_);
std::swap(width_, texture.width_);
std::swap(height_, texture.height_);
std::swap(texture_, texture.texture_);
}
return *this;
}
void Texture2D::Release()
{
if (texture_)
{
clReleaseMemObject(texture_);
texture_ = nullptr;
width_ = 0;
height_ = 0;
}
}
absl::Status Texture2D::GetGPUResources(const GPUObjectDescriptor *obj_ptr,
GPUResourcesWithValue *resources) const
{
const auto *texture_desc = dynamic_cast<const Texture2DDescriptor *>(obj_ptr);
if (!texture_desc)
{
return absl::InvalidArgumentError("Expected Texture2DDescriptor on input.");
}
resources->images2d.push_back({"tex2d", texture_});
return absl::OkStatus();
}
absl::Status Texture2D::CreateFromTexture2DDescriptor(const Texture2DDescriptor &desc,
CLContext *context)
{
width_ = desc.size.x;
height_ = desc.size.y;
channel_type_ = DataTypeToChannelType(desc.element_type, desc.normalized);
uint8_t *data_ptr = desc.data.empty() ? nullptr : const_cast<unsigned char *>(desc.data.data());
return CreateRGBAImage2D(context->context(), desc.size.x, desc.size.y, channel_type_, data_ptr,
&texture_);
}
// Creates new 4-channel 2D texture with f32 elements
absl::Status CreateTexture2DRGBA32F(int width, int height, CLContext *context, Texture2D *result)
{
return CreateTexture2D(width, height, DataType::FLOAT32, nullptr, context, result);
}
// Creates new 4-channel 2D texture with f16 elements
absl::Status CreateTexture2DRGBA16F(int width, int height, CLContext *context, Texture2D *result)
{
return CreateTexture2D(width, height, DataType::FLOAT16, nullptr, context, result);
}
absl::Status CreateTexture2DRGBA(DataType type, int width, int height, CLContext *context,
Texture2D *result)
{
return CreateTexture2D(width, height, type, nullptr, context, result);
}
absl::Status CreateTexture2DRGBA(DataType type, int width, int height, void *data,
CLContext *context, Texture2D *result)
{
return CreateTexture2D(width, height, type, data, context, result);
}
} // namespace gpu_cl
} // namespace backend
} // namespace onert
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