NazaraEngine/include/Nazara/Graphics/Material.hpp

111 lines
4.1 KiB
C++

// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_GRAPHICS_MATERIAL_HPP
#define NAZARA_GRAPHICS_MATERIAL_HPP
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/Core/ObjectLibrary.hpp>
#include <Nazara/Core/ResourceLoader.hpp>
#include <Nazara/Core/ResourceManager.hpp>
#include <Nazara/Core/ResourceSaver.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/Enums.hpp>
#include <Nazara/Graphics/MaterialSettings.hpp>
#include <Nazara/Graphics/RenderBufferPool.hpp>
#include <Nazara/Graphics/ShaderReflection.hpp>
#include <NazaraUtils/StringHash.hpp>
#include <NZSL/Ast/Module.hpp>
#include <array>
#include <memory>
#include <unordered_map>
namespace Nz
{
struct NAZARA_GRAPHICS_API MaterialParams : ResourceParameters
{
bool IsValid() const;
};
class Material;
class MaterialInstance;
class RenderPipelineLayout;
using MaterialLibrary = ObjectLibrary<Material>;
using MaterialLoader = ResourceLoader<Material, MaterialParams>;
using MaterialManager = ResourceManager<Material, MaterialParams>;
using MaterialSaver = ResourceSaver<Material, MaterialParams>;
class NAZARA_GRAPHICS_API Material : public Resource, public std::enable_shared_from_this<Material>
{
public:
struct TextureData;
struct UniformBlockData;
using Params = MaterialParams;
Material(MaterialSettings settings, const std::string& referenceModuleName);
Material(MaterialSettings settings, const nzsl::Ast::ModulePtr& referenceModule);
~Material() = default;
std::shared_ptr<MaterialInstance> GetDefaultInstance() const;
inline std::size_t FindTextureByTag(std::string_view tag) const;
inline std::size_t FindUniformBlockByTag(std::string_view tag) const;
inline UInt32 GetEngineBindingIndex(EngineShaderBinding shaderBinding) const;
inline const std::shared_ptr<RenderPipelineLayout>& GetRenderPipelineLayout() const;
inline const MaterialSettings& GetSettings() const;
inline const TextureData& GetTextureData(std::size_t textureIndex) const;
inline std::size_t GetTextureCount() const;
inline const UniformBlockData& GetUniformBlockData(std::size_t uniformBlockIndex) const;
inline std::size_t GetUniformBlockCount() const;
std::shared_ptr<MaterialInstance> Instantiate() const;
static std::shared_ptr<Material> Build(const ParameterList& materialData);
static std::shared_ptr<Material> Get(MaterialType lightingType);
static std::shared_ptr<Material> LoadFromFile(const std::filesystem::path& filePath, const MaterialParams& params = MaterialParams());
static std::shared_ptr<Material> LoadFromMemory(const void* data, std::size_t size, const MaterialParams& params = MaterialParams());
static std::shared_ptr<Material> LoadFromStream(Stream& stream, const MaterialParams& params = MaterialParams());
static inline ImageType ToImageType(nzsl::ImageType imageType);
static constexpr UInt32 InvalidBindingIndex = std::numeric_limits<UInt32>::max();
static constexpr std::size_t InvalidIndex = std::numeric_limits<std::size_t>::max();
struct TextureData
{
UInt32 bindingSet;
UInt32 bindingIndex;
ImageType imageType;
};
struct UniformBlockData
{
UInt32 bindingSet;
UInt32 bindingIndex;
std::size_t structIndex;
std::unique_ptr<RenderBufferPool> bufferPool;
};
private:
std::shared_ptr<RenderPipelineLayout> m_renderPipelineLayout;
std::unordered_map<UInt32, nzsl::Ast::ConstantSingleValue> m_optionValues;
std::unordered_map<std::string /*tag*/, std::size_t, StringHash<>, std::equal_to<>> m_textureByTag;
std::unordered_map<std::string /*tag*/, std::size_t, StringHash<>, std::equal_to<>> m_uniformBlockByTag;
std::vector<TextureData> m_textures;
std::vector<UniformBlockData> m_uniformBlocks;
mutable std::weak_ptr<MaterialInstance> m_defaultInstance;
EnumArray<EngineShaderBinding, UInt32> m_engineShaderBindings;
MaterialSettings m_settings;
ShaderReflection m_reflection;
};
}
#include <Nazara/Graphics/Material.inl>
#endif // NAZARA_GRAPHICS_MATERIAL_HPP