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// Copyright 2023 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/Assets/TextureAsset.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "VideoCommon/BPMemory.h"
namespace VideoCommon
{
namespace
{
bool ParseSampler(const VideoCommon::CustomAssetLibrary::AssetID& asset_id,
const picojson::object& json, SamplerState* sampler)
{
if (!sampler) [[unlikely]]
return false;
*sampler = RenderState::GetLinearSamplerState();
const auto sampler_state_mode_iter = json.find("texture_mode");
if (sampler_state_mode_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'texture_mode' not found", asset_id);
return false;
}
if (!sampler_state_mode_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'texture_mode' is not the right type",
asset_id);
return false;
}
std::string sampler_state_mode = sampler_state_mode_iter->second.to_str();
Common::ToLower(&sampler_state_mode);
if (sampler_state_mode == "clamp")
{
sampler->tm0.wrap_u = WrapMode::Clamp;
sampler->tm0.wrap_v = WrapMode::Clamp;
}
else if (sampler_state_mode == "repeat")
{
sampler->tm0.wrap_u = WrapMode::Repeat;
sampler->tm0.wrap_v = WrapMode::Repeat;
}
else if (sampler_state_mode == "mirrored_repeat")
{
sampler->tm0.wrap_u = WrapMode::Mirror;
sampler->tm0.wrap_v = WrapMode::Mirror;
}
else
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, 'texture_mode' has an invalid "
"value '{}'",
asset_id, sampler_state_mode);
return false;
}
const auto sampler_state_filter_iter = json.find("texture_filter");
if (sampler_state_filter_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'texture_filter' not found", asset_id);
return false;
}
if (!sampler_state_filter_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'texture_filter' is not the right type",
asset_id);
return false;
}
std::string sampler_state_filter = sampler_state_filter_iter->second.to_str();
Common::ToLower(&sampler_state_filter);
if (sampler_state_filter == "linear")
{
sampler->tm0.min_filter = FilterMode::Linear;
sampler->tm0.mag_filter = FilterMode::Linear;
sampler->tm0.mipmap_filter = FilterMode::Linear;
}
else if (sampler_state_filter == "point")
{
sampler->tm0.min_filter = FilterMode::Linear;
sampler->tm0.mag_filter = FilterMode::Linear;
sampler->tm0.mipmap_filter = FilterMode::Linear;
}
else
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, 'texture_filter' has an invalid "
"value '{}'",
asset_id, sampler_state_filter);
return false;
}
return true;
}
} // namespace
bool TextureData::FromJson(const CustomAssetLibrary::AssetID& asset_id,
const picojson::object& json, TextureData* data)
{
const auto type_iter = json.find("type");
if (type_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, property entry 'type' not found",
asset_id);
return false;
}
if (!type_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, property entry 'type' is not "
"the right json type",
asset_id);
return false;
}
std::string type = type_iter->second.to_str();
Common::ToLower(&type);
if (type == "texture2d")
{
data->m_type = TextureData::Type::Type_Texture2D;
if (!ParseSampler(asset_id, json, &data->m_sampler))
{
return false;
}
}
else if (type == "texturecube")
{
data->m_type = TextureData::Type::Type_TextureCube;
}
else
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, texture type '{}' "
"an invalid option",
asset_id, type);
return false;
}
return true;
}
CustomAssetLibrary::LoadInfo GameTextureAsset::LoadImpl(const CustomAssetLibrary::AssetID& asset_id)
{
auto potential_data = std::make_shared<TextureData>();
const auto loaded_info = m_owning_library->LoadGameTexture(asset_id, potential_data.get());
if (loaded_info.m_bytes_loaded == 0)
return {};
{
std::lock_guard lk(m_data_lock);
m_loaded = true;
m_data = std::move(potential_data);
}
return loaded_info;
}
bool GameTextureAsset::Validate(u32 native_width, u32 native_height) const
{
std::lock_guard lk(m_data_lock);
if (!m_loaded)
{
ERROR_LOG_FMT(VIDEO,
"Game texture can't be validated for asset '{}' because it is not loaded yet.",
GetAssetId());
return false;
}
if (m_data->m_texture.m_slices.empty())
{
ERROR_LOG_FMT(VIDEO,
"Game texture can't be validated for asset '{}' because no data was available.",
GetAssetId());
return false;
}
if (m_data->m_texture.m_slices.size() > 1)
{
ERROR_LOG_FMT(
VIDEO,
"Game texture can't be validated for asset '{}' because it has more slices than expected.",
GetAssetId());
return false;
}
const auto& slice = m_data->m_texture.m_slices[0];
if (slice.m_levels.empty())
{
ERROR_LOG_FMT(
VIDEO,
"Game texture can't be validated for asset '{}' because first slice has no data available.",
GetAssetId());
return false;
}
// Verify that the aspect ratio of the texture hasn't changed, as this could have
// side-effects.
const VideoCommon::CustomTextureData::ArraySlice::Level& first_mip = slice.m_levels[0];
if (first_mip.width * native_height != first_mip.height * native_width)
{
// Note: this feels like this should return an error but
// for legacy reasons this is only a notice that something *could*
// go wrong
WARN_LOG_FMT(
VIDEO,
"Invalid custom texture size {}x{} for game texture asset '{}'. The aspect differs "
"from the native size {}x{}.",
first_mip.width, first_mip.height, GetAssetId(), native_width, native_height);
}
// Same deal if the custom texture isn't a multiple of the native size.
if (native_width != 0 && native_height != 0 &&
(first_mip.width % native_width || first_mip.height % native_height))
{
// Note: this feels like this should return an error but
// for legacy reasons this is only a notice that something *could*
// go wrong
WARN_LOG_FMT(
VIDEO,
"Invalid custom texture size {}x{} for game texture asset '{}'. Please use an integer "
"upscaling factor based on the native size {}x{}.",
first_mip.width, first_mip.height, GetAssetId(), native_width, native_height);
}
return true;
}
} // namespace VideoCommon
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