PreRenderOperator.h

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#pragma once
#ifndef DVD_PRE_RENDER_OPERATOR_H_
#define DVD_PRE_RENDER_OPERATOR_H_
 
#include "Platform/Video/Buffers/RenderTarget/Headers/RenderTarget.h"
#include "Platform/Video/Textures/Headers/Texture.h"
 
 
namespace Divide {
struct Configuration;
struct CameraSnapshot;
 
class Quad3D;
class Camera;
class Texture;
class Pipeline;
class ShaderProgram;
 
namespace GFX {
    class CommandBuffer;
};
 
 
enum class RenderStage : U8;
 
enum class FilterType : U16 {
    FILTER_SS_ANTIALIASING,
    FILTER_SS_AMBIENT_OCCLUSION,
    FILTER_SS_REFLECTIONS,
    FILTER_DEPTH_OF_FIELD,
    FILTER_MOTION_BLUR,
    FILTER_BLOOM,
    FILTER_LUT_CORECTION,
    FILTER_UNDERWATER,
    FILTER_NOISE,
    FILTER_VIGNETTE,
    FILTER_COUNT
};
 
enum class FilterSpace : U8 {
    // HDR Space: operators that work AND MODIFY the HDR screen target (e.g. SSAO, SSR)
    FILTER_SPACE_HDR = 0,
    // HDR Space: operators that work on the HDR target (e.g. Bloom, DoF)
    FILTER_SPACE_HDR_POST_SS,
    // LDR Space: operators that work on the post-tonemap target (e.g. Post-AA)
    FILTER_SPACE_LDR,
    COUNT
};
 
class PreRenderBatch;
class NOINITVTABLE PreRenderOperator {
   public:
    PreRenderOperator(GFXDevice& context, PreRenderBatch& parent, FilterType operatorType);
    virtual ~PreRenderOperator() = default;
 
    virtual bool execute(PlayerIndex idx, const CameraSnapshot& cameraSnapshot, const RenderTargetHandle& input, const RenderTargetHandle& output, GFX::CommandBuffer& bufferInOut);
 
    virtual void reshape(U16 width, U16 height);
 
    virtual void prepare(PlayerIndex idx, GFX::CommandBuffer& bufferInOut);
 
    [[nodiscard]] FilterType operatorType() const noexcept { return _operatorType; }
 
    virtual void onToggle(bool state);
 
    [[nodiscard]] virtual bool ready() const noexcept { return true; }
 
   protected:
    GFXDevice& _context;
 
    PreRenderBatch& _parent;
    RTDrawDescriptor _screenOnlyDraw{};
    FilterType  _operatorType = FilterType::FILTER_COUNT;
    bool _enabled = true;
};
 
FWD_DECLARE_MANAGED_CLASS(PreRenderOperator);
 
};  // namespace Divide
 
#endif //DVD_PRE_RENDER_OPERATOR_H_