BaseRenderer.hpp

#pragma once
 
#include <entt/entt.hpp>
#include <glm/glm.hpp>
 
#include <Common/Rendering/GeometryRenderingStats.hpp>
 
namespace Grindstone {
    namespace GraphicsAPI {
        class RenderPass;
        class Framebuffer;
        class CommandBuffer;
    }
 
    namespace Events {
        struct BaseEvent;
    }
 
    class BaseRenderer {
    public:
        struct RenderMode {
            const char* name = nullptr;
        };
 
        virtual ~BaseRenderer() {};
        virtual bool OnWindowResize(Events::BaseEvent*) = 0;
        virtual void Resize(uint32_t width, uint32_t height) = 0;
        virtual void Render(
            GraphicsAPI::CommandBuffer* commandBuffer,
            entt::registry& registry,
            glm::mat4 projectionMatrix,
            glm::mat4 viewMatrix,
            glm::vec3 eyePos,
            GraphicsAPI::Framebuffer* outputFramebuffer = nullptr // If nullptr, use default framebuffer
        ) = 0;
        virtual uint16_t GetRenderModeCount() const = 0;
        virtual const RenderMode* GetRenderModes() const = 0;
        virtual void SetRenderMode(uint16_t mode) = 0;
        virtual std::vector<Grindstone::Rendering::GeometryRenderStats> GetRenderingStats() = 0;
    };
 
    class BaseRendererFactory {
    public:
        virtual Grindstone::BaseRenderer* CreateRenderer(GraphicsAPI::RenderPass* targetRenderPass) = 0;
        virtual ~BaseRendererFactory() {}
    };
}