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VideoCommon: add material asset. A material is similar to other graphics engines where it provides data to be used in conjunction with a shader asset to generate a runtime AbstractShader

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This commit is contained in:
iwubcode
2023-07-02 21:27:24 -05:00
parent 7bb04ff1dc
commit 77511e8e7c
9 changed files with 304 additions and 0 deletions
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56
Source/Core/VideoCommon/Assets/DirectFilesystemAssetLibrary.cpp
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@ -10,6 +10,7 @@
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "VideoCommon/Assets/CustomTextureData.h"
#include "VideoCommon/Assets/MaterialAsset.h"
#include "VideoCommon/Assets/ShaderAsset.h"
namespace VideoCommon
@ -144,6 +145,61 @@ CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadPixelShader(const
return LoadInfo{approx_mem_size, GetLastAssetWriteTime(asset_id)};
}
CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadMaterial(const AssetID& asset_id,
MaterialData* data)
{
const auto asset_map = GetAssetMapForID(asset_id);
// Material is expected to have one asset mapped
if (asset_map.empty() || asset_map.size() > 1)
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' error - material expected to have one file mapped!", asset_id);
return {};
}
const auto& asset_path = asset_map.begin()->second;
std::string json_data;
if (!File::ReadFileToString(asset_path.string(), json_data))
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' error - material failed to load the json file '{}',",
asset_id, asset_path.string());
return {};
}
picojson::value root;
const auto error = picojson::parse(root, json_data);
if (!error.empty())
{
ERROR_LOG_FMT(
VIDEO,
"Asset '{}' error - material failed to load the json file '{}', due to parse error: {}",
asset_id, asset_path.string(), error);
return {};
}
if (!root.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' error - material failed to load the json file '{}', due to root not "
"being an object!",
asset_id, asset_path.string());
return {};
}
const auto& root_obj = root.get<picojson::object>();
if (!MaterialData::FromJson(asset_id, root_obj, data))
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' error - material failed to load the json file '{}', as material "
"json could not be parsed!",
asset_id, asset_path.string());
return {};
}
return LoadInfo{json_data.size(), GetLastAssetWriteTime(asset_id)};
}
CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadTexture(const AssetID& asset_id,
CustomTextureData* data)
{