78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - OpenGL renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_OPENGLRENDERER_OPENGLSHADERMODULE_HPP
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#define NAZARA_OPENGLRENDERER_OPENGLSHADERMODULE_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
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#include <Nazara/OpenGLRenderer/Wrapper/Program.hpp>
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#include <Nazara/OpenGLRenderer/Wrapper/Shader.hpp>
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#include <Nazara/Renderer/Enums.hpp>
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#include <Nazara/Renderer/ShaderModule.hpp>
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#include <NZSL/GlslWriter.hpp>
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#include <NZSL/Ast/Module.hpp>
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#include <vector>
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namespace Nz
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{
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class NAZARA_OPENGLRENDERER_API OpenGLShaderModule : public ShaderModule
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{
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public:
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struct ExplicitBinding;
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OpenGLShaderModule(OpenGLDevice& device, nzsl::ShaderStageTypeFlags shaderStages, const nzsl::Ast::Module& shaderModule, const nzsl::ShaderWriter::States& states = {});
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OpenGLShaderModule(OpenGLDevice& device, nzsl::ShaderStageTypeFlags shaderStages, ShaderLanguage lang, const void* source, std::size_t sourceSize, const nzsl::ShaderWriter::States& states = {});
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OpenGLShaderModule(const OpenGLShaderModule&) = delete;
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OpenGLShaderModule(OpenGLShaderModule&&) noexcept = default;
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~OpenGLShaderModule() = default;
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nzsl::ShaderStageTypeFlags Attach(GL::Program& program, const nzsl::GlslWriter::BindingMapping& bindingMapping, std::vector<ExplicitBinding>* explicitBindings) const;
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inline const std::vector<ExplicitBinding>& GetExplicitBindings() const;
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OpenGLShaderModule& operator=(const OpenGLShaderModule&) = delete;
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OpenGLShaderModule& operator=(OpenGLShaderModule&&) noexcept = default;
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struct ExplicitBinding
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{
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std::string name;
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unsigned int binding;
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bool isBlock;
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};
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private:
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void Create(OpenGLDevice& device, nzsl::ShaderStageTypeFlags shaderStages, const nzsl::Ast::Module& shaderModule, const nzsl::ShaderWriter::States& states);
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static void CheckCompilationStatus(GL::Shader& shader);
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struct GlslShader
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{
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std::string sourceCode;
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};
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struct ShaderStatement
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{
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nzsl::Ast::ModulePtr ast;
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};
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struct Shader
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{
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nzsl::ShaderStageType stage;
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std::variant<GlslShader, ShaderStatement> shader;
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};
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OpenGLDevice& m_device;
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nzsl::ShaderWriter::States m_states;
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std::vector<ExplicitBinding> m_explicitBindings;
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std::vector<Shader> m_shaders;
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};
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}
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#include <Nazara/OpenGLRenderer/OpenGLShaderModule.inl>
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#endif // NAZARA_OPENGLRENDERER_OPENGLSHADERMODULE_HPP
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