GLRenderTarget.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "OpenGL.hpp"
 
#include "CeresEngine/DataTypes.hpp"
 
#include "CeresEngine/RenderAPI/GPURenderTarget.hpp"
 
namespace CeresEngine {
 
    class GLImage;
    class GLSwapchain;
 
    class GLRenderTarget final : public GPURenderTarget, public GLDeviceObject<GLRenderTarget, GPURenderTarget> {
    private:
        const GPURenderTargetDescriptor descriptorGL;
 
        GLObjectHandle<&glGenFramebuffers, &glDeleteFramebuffers> framebufferID;
 
        Vector<GLImagePtr> mAttachments;
 
        TExtent2<UInt32> mResolution;
 
        Vector<GLenum> mColorAttachments;
        GLenum mBlitMask = 0;
 
    public:
        GLRenderTarget(GLDevicePtr device, const GPURenderTargetDescriptor& descriptor);
        GLRenderTarget(GLDevicePtr device, GLuint existingFramebufferID);
        ~GLRenderTarget() final;
 
    public:
        void activate() const;
 
    public:
        [[nodiscard]] GLuint handle() const { return framebufferID; }
 
        [[nodiscard]] const Vector<GLImagePtr>& attachments() const { return mAttachments; }
    };
 
} // namespace CeresEngine