93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Renderer module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#pragma once
|
|
|
|
#ifndef NAZARA_OPENGLRENDERER_OPENGLRENDERPIPELINELAYOUT_HPP
|
|
#define NAZARA_OPENGLRENDERER_OPENGLRENDERPIPELINELAYOUT_HPP
|
|
|
|
#include <Nazara/Prerequisites.hpp>
|
|
#include <Nazara/Core/Bitset.hpp>
|
|
#include <Nazara/Renderer/RenderPipelineLayout.hpp>
|
|
#include <Nazara/OpenGLRenderer/Config.hpp>
|
|
#include <Nazara/OpenGLRenderer/OpenGLShaderBinding.hpp>
|
|
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
|
|
#include <Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp>
|
|
#include <memory>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
|
|
namespace Nz
|
|
{
|
|
class NAZARA_OPENGLRENDERER_API OpenGLRenderPipelineLayout : public RenderPipelineLayout
|
|
{
|
|
friend OpenGLShaderBinding;
|
|
|
|
public:
|
|
OpenGLRenderPipelineLayout(RenderPipelineLayoutInfo layoutInfo);
|
|
OpenGLRenderPipelineLayout(const OpenGLRenderPipelineLayout&) = delete;
|
|
OpenGLRenderPipelineLayout(OpenGLRenderPipelineLayout&&) = delete;
|
|
~OpenGLRenderPipelineLayout();
|
|
|
|
ShaderBindingPtr AllocateShaderBinding() override;
|
|
|
|
inline const RenderPipelineLayoutInfo& GetLayoutInfo() const;
|
|
|
|
inline std::size_t GetTextureDescriptorCount() const;
|
|
inline std::size_t GetUniformBufferDescriptorCount() const;
|
|
|
|
OpenGLRenderPipelineLayout& operator=(const OpenGLRenderPipelineLayout&) = delete;
|
|
OpenGLRenderPipelineLayout& operator=(OpenGLRenderPipelineLayout&&) = delete;
|
|
|
|
private:
|
|
struct DescriptorPool;
|
|
struct TextureDescriptor;
|
|
struct UniformBufferDescriptor;
|
|
|
|
DescriptorPool& AllocatePool();
|
|
ShaderBindingPtr AllocateFromPool(std::size_t poolIndex);
|
|
TextureDescriptor& GetTextureDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t textureIndex);
|
|
UniformBufferDescriptor& GetUniformBufferDescriptor(std::size_t poolIndex, std::size_t bindingIndex, std::size_t uniformBufferIndex);
|
|
void Release(ShaderBinding& binding);
|
|
inline void TryToShrink();
|
|
|
|
static constexpr UInt32 InvalidIndex = 0xFFFFFFFF;
|
|
|
|
struct TextureDescriptor
|
|
{
|
|
UInt32 bindingIndex = InvalidIndex;
|
|
GLuint texture;
|
|
GLuint sampler;
|
|
GL::TextureTarget textureTarget;
|
|
};
|
|
|
|
struct UniformBufferDescriptor
|
|
{
|
|
UInt32 bindingIndex = InvalidIndex;
|
|
GLuint buffer;
|
|
GLintptr offset;
|
|
GLsizeiptr size;
|
|
};
|
|
|
|
struct DescriptorPool
|
|
{
|
|
using BindingStorage = std::aligned_storage_t<sizeof(OpenGLShaderBinding), alignof(OpenGLShaderBinding)>;
|
|
|
|
Bitset<UInt64> freeBindings;
|
|
std::vector<TextureDescriptor> textureDescriptor;
|
|
std::vector<UniformBufferDescriptor> uniformBufferDescriptor;
|
|
std::unique_ptr<BindingStorage[]> storage;
|
|
};
|
|
|
|
std::size_t m_textureDescriptorCount;
|
|
std::size_t m_uniformBufferDescriptorCount;
|
|
std::vector<DescriptorPool> m_descriptorPools;
|
|
RenderPipelineLayoutInfo m_layoutInfo;
|
|
};
|
|
}
|
|
|
|
#include <Nazara/OpenGLRenderer/OpenGLRenderPipelineLayout.inl>
|
|
|
|
#endif // NAZARA_OPENGLRENDERER_OPENGLRENDERPIPELINE_HPP
|