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// Copyright 2024 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/Assets/TextureSamplerValue.h"
#include <optional>
#include "Common/JsonUtil.h"
#include "Common/StringUtil.h"
namespace VideoCommon
{
namespace
{
std::optional<TextureSamplerValue::SamplerOrigin>
ReadSamplerOriginFromJSON(const picojson::object& json)
{
auto sampler_origin = ReadStringFromJson(json, "sampler_origin").value_or("");
Common::ToLower(&sampler_origin);
if (sampler_origin == "asset")
{
return TextureSamplerValue::SamplerOrigin::Asset;
}
else if (sampler_origin == "texture_hash")
{
return TextureSamplerValue::SamplerOrigin::TextureHash;
}
return std::nullopt;
}
} // namespace
std::string TextureSamplerValue::ToString(SamplerOrigin sampler_origin)
{
if (sampler_origin == SamplerOrigin::Asset)
return "asset";
return "texture_hash";
}
bool TextureSamplerValue::FromJson(const picojson::object& json, TextureSamplerValue* data)
{
data->asset = ReadStringFromJson(json, "asset").value_or("");
data->texture_hash = ReadStringFromJson(json, "texture_hash").value_or("");
data->sampler_origin =
ReadSamplerOriginFromJSON(json).value_or(TextureSamplerValue::SamplerOrigin::Asset);
return true;
}
void TextureSamplerValue::ToJson(picojson::object* obj, const TextureSamplerValue& data)
{
if (!obj) [[unlikely]]
return;
obj->emplace("asset", data.asset);
obj->emplace("texture_hash", data.texture_hash);
obj->emplace("sampler_origin", ToString(data.sampler_origin));
}
} // namespace VideoCommon
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