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VideoCommon: add a pixel shader asset

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This commit is contained in:
iwubcode
2023-06-29 00:56:06 -05:00
parent 61c45e8d68
commit 6ea49c6746
9 changed files with 310 additions and 0 deletions
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95
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/ShaderAsset.h"
namespace VideoCommon
{
@ -49,6 +50,100 @@ DirectFilesystemAssetLibrary::GetLastAssetWriteTime(const AssetID& asset_id) con
return {};
}
CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadPixelShader(const AssetID& asset_id,
PixelShaderData* data)
{
const auto asset_map = GetAssetMapForID(asset_id);
// Asset map for a pixel shader is the shader and some metadata
if (asset_map.size() != 2)
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' expected to have two files mapped!", asset_id);
return {};
}
const auto metadata = asset_map.find("metadata");
const auto shader = asset_map.find("shader");
if (metadata == asset_map.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' expected to have a metadata entry mapped!", asset_id);
return {};
}
if (shader == asset_map.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' expected to have a shader entry mapped!", asset_id);
return {};
}
std::size_t metadata_size;
{
std::error_code ec;
metadata_size = std::filesystem::file_size(metadata->second, ec);
if (ec)
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' error - failed to get shader metadata file size with error '{}'!",
asset_id, ec);
return {};
}
}
std::size_t shader_size;
{
std::error_code ec;
shader_size = std::filesystem::file_size(shader->second, ec);
if (ec)
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' error - failed to get shader source file size with error '{}'!",
asset_id, ec);
return {};
}
}
const auto approx_mem_size = metadata_size + shader_size;
if (!File::ReadFileToString(shader->second.string(), data->m_shader_source))
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' error - failed to load the shader file '{}',", asset_id,
shader->second.string());
return {};
}
std::string json_data;
if (!File::ReadFileToString(metadata->second.string(), json_data))
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' error - failed to load the json file '{}',", asset_id,
metadata->second.string());
return {};
}
picojson::value root;
const auto error = picojson::parse(root, json_data);
if (!error.empty())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' error - failed to load the json file '{}', due to parse error: {}",
asset_id, metadata->second.string(), error);
return {};
}
if (!root.is<picojson::object>())
{
ERROR_LOG_FMT(
VIDEO,
"Asset '{}' error - failed to load the json file '{}', due to root not being an object!",
asset_id, metadata->second.string());
return {};
}
const auto& root_obj = root.get<picojson::object>();
if (!PixelShaderData::FromJson(asset_id, root_obj, data))
return {};
return LoadInfo{approx_mem_size, GetLastAssetWriteTime(asset_id)};
}
CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadTexture(const AssetID& asset_id,
CustomTextureData* data)
{