NazaraEngine/include/Nazara/Graphics/DepthRenderTechnique.hpp

82 lines
2.5 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// 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_DEPTHRENDERTECHNIQUE_HPP
#define NAZARA_DEPTHRENDERTECHNIQUE_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Graphics/AbstractRenderTechnique.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/DepthRenderQueue.hpp>
#include <Nazara/Graphics/Light.hpp>
#include <Nazara/Renderer/Shader.hpp>
#include <Nazara/Utility/IndexBuffer.hpp>
#include <Nazara/Utility/VertexBuffer.hpp>
class NAZARA_GRAPHICS_API NzDepthRenderTechnique : public NzAbstractRenderTechnique
{
public:
NzDepthRenderTechnique();
~NzDepthRenderTechnique() = default;
bool Draw(const NzSceneData& sceneData) const override;
NzAbstractRenderQueue* GetRenderQueue() override;
nzRenderTechniqueType GetType() const override;
static bool Initialize();
static void Uninitialize();
private:
struct ShaderUniforms;
void DrawBasicSprites(const NzSceneData& sceneData) const;
void DrawBillboards(const NzSceneData& sceneData) const;
void DrawOpaqueModels(const NzSceneData& sceneData) const;
const ShaderUniforms* GetShaderUniforms(const NzShader* shader) const;
void OnShaderInvalidated(const NzShader* shader) const;
struct LightIndex
{
nzLightType type;
float score;
unsigned int index;
};
struct ShaderUniforms
{
NazaraSlot(NzShader, OnShaderUniformInvalidated, shaderUniformInvalidatedSlot);
NazaraSlot(NzShader, OnShaderRelease, shaderReleaseSlot);
NzLightUniforms lightUniforms;
bool hasLightUniforms;
/// Moins coûteux en mémoire que de stocker un NzLightUniforms par index de lumière,
/// à voir si ça fonctionne chez tout le monde
int lightOffset; // "Distance" entre Lights[0].type et Lights[1].type
// Autre uniformes
int eyePosition;
int sceneAmbient;
int textureOverlay;
};
mutable std::unordered_map<const NzShader*, ShaderUniforms> m_shaderUniforms;
NzBuffer m_vertexBuffer;
mutable NzDepthRenderQueue m_renderQueue;
NzVertexBuffer m_billboardPointBuffer;
NzVertexBuffer m_spriteBuffer;
static NzIndexBuffer s_quadIndexBuffer;
static NzVertexBuffer s_quadVertexBuffer;
static NzVertexDeclaration s_billboardInstanceDeclaration;
static NzVertexDeclaration s_billboardVertexDeclaration;
};
#include <Nazara/Graphics/dEPTHRenderTechnique.inl>
#endif // NAZARA_DEPTHRENDERTECHNIQUE_HPP