116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
//
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// Created by sfd on 25-11-21.
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//
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#ifndef DEMOLAYER_H
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#define DEMOLAYER_H
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#include "Prism.h"
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#include "Prism/Renderer/Camera.h"
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#include "Prism/Renderer/FrameBuffer.h"
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#include "Prism/Renderer/Material.h"
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#include "Prism/Renderer/Mesh.h"
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class DemoLayer : public Prism::Layer
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{
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public:
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DemoLayer();
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virtual ~DemoLayer();
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virtual void OnAttach() override;
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virtual void OnDetach() override;
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virtual void OnUpdate(Prism::TimeStep deltaTime) override;
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virtual void OnImGuiRender() override;
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virtual void OnEvent(Prism::Event& e) override;
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private:
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float m_ClearColor[4];
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Prism::Ref<Prism::Shader> m_QuadShader;
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Prism::Ref<Prism::Shader> m_HDRShader;
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Prism::Ref<Prism::Shader> m_GridShader;
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Prism::Ref<Prism::Mesh> m_Mesh;
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Prism::Ref<Prism::Mesh> m_SphereMesh, m_PlaneMesh;
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Prism::Ref<Prism::Texture2D> m_BRDFLUT;
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Prism::Ref<Prism::MaterialInstance> m_MeshMaterial;
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Prism::Ref<Prism::MaterialInstance> m_GridMaterial;
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std::vector<Prism::Ref<Prism::MaterialInstance>> m_MetalSphereMaterialInstances;
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std::vector<Prism::Ref<Prism::MaterialInstance>> m_DielectricSphereMaterialInstances;
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float m_GridScale = 16.025f, m_GridSize = 0.025f;
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float m_MeshScale = 1.0f;
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Prism::Ref<Prism::Shader> m_Shader;
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Prism::Ref<Prism::Shader> m_PBRShader;
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struct AlbedoInput
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{
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glm::vec3 Color = { 0.972f, 0.96f, 0.915f }; // Silver, from https://docs.unrealengine.com/en-us/Engine/Rendering/Materials/PhysicallyBased
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Prism::Ref<Prism::Texture2D> TextureMap;
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bool SRGB = true;
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bool UseTexture = false;
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};
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AlbedoInput m_AlbedoInput;
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struct NormalInput
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{
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Prism::Ref<Prism::Texture2D> TextureMap;
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bool UseTexture = false;
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};
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NormalInput m_NormalInput;
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struct MetalnessInput
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{
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float Value = 1.0f;
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Prism::Ref<Prism::Texture2D> TextureMap;
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bool UseTexture = false;
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};
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MetalnessInput m_MetalnessInput;
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struct RoughnessInput
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{
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float Value = 0.5f;
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Prism::Ref<Prism::Texture2D> TextureMap;
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bool UseTexture = false;
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};
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RoughnessInput m_RoughnessInput;
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Prism::Ref<Prism::FrameBuffer> m_Framebuffer, m_FinalPresentBuffer;
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Prism::Ref<Prism::VertexBuffer> m_VertexBuffer;
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Prism::Ref<Prism::IndexBuffer> m_IndexBuffer;
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Prism::Ref<Prism::TextureCube> m_EnvironmentCubeMap, m_EnvironmentIrradiance;
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Prism::Camera m_Camera;
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struct Light
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{
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glm::vec3 Direction;
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glm::vec3 Radiance;
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};
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Light m_Light;
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float m_LightMultiplier = 0.3f;
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// PBR params
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float m_Exposure = 1.0f;
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bool m_RadiancePrefilter = false;
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float m_EnvMapRotation = 0.0f;
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enum class Scene : uint32_t
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{
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Spheres = 0, Model = 1
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};
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Scene m_Scene;
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// Editor resources
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Prism::Ref<Prism::Texture2D> m_CheckerboardTex;
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};
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#endif //DEMOLAYER_H
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