ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
dolphin/Source/Core/VideoCommon/Assets/ShaderAsset.cpp

453 lines
15 KiB
C++
Raw Blame History

// Copyright 2023 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/Assets/ShaderAsset.h"
#include <algorithm>
#include <utility>
#include "Common/JsonUtil.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "Common/VariantUtil.h"
#include "VideoCommon/Assets/CustomAssetLibrary.h"
namespace VideoCommon
{
template <typename ElementType, std::size_t ElementCount, typename PropertyType>
bool ParseNumeric(const CustomAssetLibrary::AssetID& asset_id, const picojson::value& json_value,
std::string_view code_name, PropertyType* value)
{
static_assert(ElementCount <= 4, "Numeric data expected to be four elements or less");
if constexpr (ElementCount == 1)
{
if (!json_value.is<double>())
{
ERROR_LOG_FMT(VIDEO,
"Asset id '{}' shader has attribute '{}' where "
"a double was expected but not provided.",
asset_id, code_name);
return false;
}
*value = static_cast<ElementType>(json_value.get<double>());
}
else
{
if (!json_value.is<picojson::array>())
{
ERROR_LOG_FMT(VIDEO,
"Asset id '{}' shader has attribute '{}' where "
"an array was expected but not provided.",
asset_id, code_name);
return false;
}
const auto json_data = json_value.get<picojson::array>();
if (json_data.size() != ElementCount)
{
ERROR_LOG_FMT(VIDEO,
"Asset id '{}' shader has attribute '{}' with incorrect number "
"of elements, expected {}",
asset_id, code_name, ElementCount);
return false;
}
if (!std::all_of(json_data.begin(), json_data.end(),
[](const picojson::value& v) { return v.is<double>(); }))
{
ERROR_LOG_FMT(VIDEO,
"Asset id '{}' shader has attribute '{}' where "
"all elements are not of type double.",
asset_id, code_name);
return false;
}
std::array<ElementType, ElementCount> data;
for (std::size_t i = 0; i < ElementCount; i++)
{
data[i] = static_cast<ElementType>(json_data[i].get<double>());
}
*value = std::move(data);
}
return true;
}
static bool ParseShaderValue(const CustomAssetLibrary::AssetID& asset_id,
const picojson::value& json_value, std::string_view code_name,
std::string_view type, ShaderProperty::Value* value)
{
if (type == "int")
{
return ParseNumeric<s32, 1>(asset_id, json_value, code_name, value);
}
else if (type == "int2")
{
return ParseNumeric<s32, 2>(asset_id, json_value, code_name, value);
}
else if (type == "int3")
{
return ParseNumeric<s32, 3>(asset_id, json_value, code_name, value);
}
else if (type == "int4")
{
return ParseNumeric<s32, 4>(asset_id, json_value, code_name, value);
}
else if (type == "float")
{
return ParseNumeric<float, 1>(asset_id, json_value, code_name, value);
}
else if (type == "float2")
{
return ParseNumeric<float, 2>(asset_id, json_value, code_name, value);
}
else if (type == "float3")
{
return ParseNumeric<float, 3>(asset_id, json_value, code_name, value);
}
else if (type == "float4")
{
return ParseNumeric<float, 4>(asset_id, json_value, code_name, value);
}
else if (type == "rgb")
{
ShaderProperty::RGB rgb;
if (!ParseNumeric<float, 3>(asset_id, json_value, code_name, &rgb.value))
return false;
*value = std::move(rgb);
return true;
}
else if (type == "rgba")
{
ShaderProperty::RGBA rgba;
if (!ParseNumeric<float, 4>(asset_id, json_value, code_name, &rgba.value))
return false;
*value = std::move(rgba);
return true;
}
else if (type == "bool")
{
if (json_value.is<bool>())
{
*value = json_value.get<bool>();
return true;
}
}
else if (type == "sampler2d")
{
if (json_value.is<std::string>())
{
ShaderProperty::Sampler2D sampler2d;
sampler2d.value = json_value.get<std::string>();
*value = std::move(sampler2d);
return true;
}
}
else if (type == "sampler2darray")
{
if (json_value.is<std::string>())
{
ShaderProperty::Sampler2DArray sampler2darray;
sampler2darray.value = json_value.get<std::string>();
*value = std::move(sampler2darray);
return true;
}
}
else if (type == "samplercube")
{
if (json_value.is<std::string>())
{
ShaderProperty::SamplerCube samplercube;
samplercube.value = json_value.get<std::string>();
*value = std::move(samplercube);
return true;
}
}
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse the json, value is not valid for type '{}'",
asset_id, type);
return false;
}
static bool
ParseShaderProperties(const VideoCommon::CustomAssetLibrary::AssetID& asset_id,
const picojson::array& properties_data,
std::map<std::string, VideoCommon::ShaderProperty>* shader_properties)
{
if (!shader_properties) [[unlikely]]
return false;
for (const auto& property_data : properties_data)
{
VideoCommon::ShaderProperty property;
if (!property_data.is<picojson::object>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, property is not the right json type",
asset_id);
return false;
}
const auto& property_data_obj = property_data.get<picojson::object>();
const auto type_iter = property_data_obj.find("type");
if (type_iter == property_data_obj.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);
const auto description_iter = property_data_obj.find("description");
if (description_iter == property_data_obj.end())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, property entry 'description' not found",
asset_id);
return false;
}
if (!description_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, property entry 'description' is not "
"the right json type",
asset_id);
return false;
}
property.m_description = description_iter->second.to_str();
const auto code_name_iter = property_data_obj.find("code_name");
if (code_name_iter == property_data_obj.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, property entry 'code_name' not found",
asset_id);
return false;
}
if (!code_name_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Asset '{}' failed to parse json, property entry 'code_name' is not "
"the right json type",
asset_id);
return false;
}
std::string code_name = code_name_iter->second.to_str();
const auto default_iter = property_data_obj.find("default");
if (default_iter != property_data_obj.end())
{
if (!ParseShaderValue(asset_id, default_iter->second, code_name, type, &property.m_default))
{
return false;
}
}
shader_properties->try_emplace(std::move(code_name), std::move(property));
}
return true;
}
bool PixelShaderData::FromJson(const VideoCommon::CustomAssetLibrary::AssetID& asset_id,
const picojson::object& json, PixelShaderData* data)
{
const auto properties_iter = json.find("properties");
if (properties_iter == json.end())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'properties' not found", asset_id);
return false;
}
if (!properties_iter->second.is<picojson::array>())
{
ERROR_LOG_FMT(VIDEO, "Asset '{}' failed to parse json, 'properties' is not the right json type",
asset_id);
return false;
}
const auto& properties_array = properties_iter->second.get<picojson::array>();
if (!ParseShaderProperties(asset_id, properties_array, &data->m_properties))
return false;
for (const auto& [name, property] : data->m_properties)
{
if (data->m_shader_source.find(name) == std::string::npos)
{
ERROR_LOG_FMT(
VIDEO,
"Asset '{}' failed to parse json, the code name '{}' defined in the metadata was not "
"found in the shader source",
asset_id, name);
return false;
}
}
return true;
}
void PixelShaderData::ToJson(picojson::object& obj, const PixelShaderData& data)
{
picojson::array json_properties;
for (const auto& [name, property] : data.m_properties)
{
picojson::object json_property;
json_property.emplace("code_name", name);
json_property.emplace("description", property.m_description);
std::visit(overloaded{[&](const ShaderProperty::Sampler2D& default_value) {
json_property.emplace("type", "sampler2d");
json_property.emplace("default", default_value.value);
},
[&](const ShaderProperty::Sampler2DArray& default_value) {
json_property.emplace("type", "sampler2darray");
json_property.emplace("default", default_value.value);
},
[&](const ShaderProperty::SamplerCube& default_value) {
json_property.emplace("type", "samplercube");
json_property.emplace("default", default_value.value);
},
[&](s32 default_value) {
json_property.emplace("type", "int");
json_property.emplace("default", static_cast<double>(default_value));
},
[&](const std::array<s32, 2>& default_value) {
json_property.emplace("type", "int2");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](const std::array<s32, 3>& default_value) {
json_property.emplace("type", "int3");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](const std::array<s32, 4>& default_value) {
json_property.emplace("type", "int4");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](float default_value) {
json_property.emplace("type", "float");
json_property.emplace("default", static_cast<double>(default_value));
},
[&](const std::array<float, 2>& default_value) {
json_property.emplace("type", "float2");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](const std::array<float, 3>& default_value) {
json_property.emplace("type", "float3");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](const std::array<float, 4>& default_value) {
json_property.emplace("type", "float4");
json_property.emplace("default", ToJsonArray(default_value));
},
[&](const ShaderProperty::RGB& default_value) {
json_property.emplace("type", "rgb");
json_property.emplace("default", ToJsonArray(default_value.value));
},
[&](const ShaderProperty::RGBA& default_value) {
json_property.emplace("type", "rgba");
json_property.emplace("default", ToJsonArray(default_value.value));
},
[&](bool default_value) {
json_property.emplace("type", "bool");
json_property.emplace("default", default_value);
}},
property.m_default);
json_properties.emplace_back(std::move(json_property));
}
obj.emplace("properties", std::move(json_properties));
}
std::span<const std::string_view> ShaderProperty::GetValueTypeNames()
{
static constexpr std::array<std::string_view, 14> values = {
"sampler2d", "sampler2darray", "samplercube", "int", "int2", "int3", "int4",
"float", "float2", "float3", "float4", "rgb", "rgba", "bool"};
return values;
}
ShaderProperty::Value ShaderProperty::GetDefaultValueFromTypeName(std::string_view name)
{
if (name == "sampler2d")
{
return Sampler2D{};
}
else if (name == "sampler2darray")
{
return Sampler2DArray{};
}
else if (name == "samplercube")
{
return SamplerCube{};
}
else if (name == "int")
{
return 0;
}
else if (name == "int2")
{
return std::array<s32, 2>{};
}
else if (name == "int3")
{
return std::array<s32, 3>{};
}
else if (name == "int4")
{
return std::array<s32, 4>{};
}
else if (name == "float")
{
return 0.0f;
}
else if (name == "float2")
{
return std::array<float, 2>{};
}
else if (name == "float3")
{
return std::array<float, 3>{};
}
else if (name == "float4")
{
return std::array<float, 4>{};
}
else if (name == "rgb")
{
return RGB{};
}
else if (name == "rgba")
{
return RGBA{};
}
else if (name == "bool")
{
return false;
}
return Value{};
}
CustomAssetLibrary::LoadInfo PixelShaderAsset::LoadImpl(const CustomAssetLibrary::AssetID& asset_id)
{
auto potential_data = std::make_shared<PixelShaderData>();
const auto loaded_info = m_owning_library->LoadPixelShader(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;
}
} // namespace VideoCommon
Reference in New Issue View Git Blame Copy Permalink