GBuffer.h

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#pragma once
#include "common/Export.h"
 
 
#include <string>
 
namespace eve::graphics {
 
class Graphics;
class Texture;
 
class EVENGINE_API_BACKENDS GBuffer {
public:
    GBuffer() = default;
    ~GBuffer() = default;
 
    GBuffer(const GBuffer &) = delete;
    GBuffer &operator=(const GBuffer &) = delete;
 
    void attach(Graphics *gfx) { gfx_ = gfx; }
    Graphics *getGraphics() const { return gfx_; }
 
    bool isValid() const;
    int getWidth() const { return width_; }
    int getHeight() const { return height_; }
 
    Texture *getDepthTexture() const { return depth_; }
    Texture *getHwDepthTexture() const { return hwDepth_; }
    Texture *getNormalTexture() const { return normal_; }
    Texture *getAlbedoTexture() const { return albedo_; }
    Texture* getPbrParamsTexture() const { return pbrParams_; }
    Texture* getEmissiveTexture() const { return emissive_; }
    Texture *getVelocityTexture() const { return depth_; }
 
    bool hasBuffer(const std::string &name) const;
    Texture *getBuffer(const std::string &name) const;
 
    void setTargets(int width, int height, Texture* depth, Texture* normal, Texture* albedo, Texture* hwDepth = nullptr,
                    Texture* pbrParams = nullptr, Texture* emissive = nullptr);
 
    void clear();
 
private:
    Graphics *gfx_ = nullptr;
    int width_ = 0;
    int height_ = 0;
    Texture *depth_ = nullptr;
    Texture *hwDepth_ = nullptr;
    Texture *normal_ = nullptr;
    Texture *albedo_ = nullptr;
    Texture*  pbrParams_ = nullptr;
    Texture*  emissive_  = nullptr;
};
 
}  // namespace eve::graphics