RenderTargetVK.h

#ifndef RENDERER_VK_RENDER_TARGET_VK_H
#define RENDERER_VK_RENDER_TARGET_VK_H
 
#include "RageUtil/Graphics/RageDisplay.h"
 
// TODO: extract to a separate header? OGL/D3D/VK use the same class...
class RenderTarget
{
  public:
    virtual ~RenderTarget() = default;
 
    virtual void Create(const RenderTargetParam& param,
                        int& iTextureWidthOut,
                        int& iTextureHeightOut) = 0;
 
    [[nodiscard]] virtual auto GetTexture() const -> intptr_t = 0;
 
    /* Render to this RenderTarget. */
    virtual void StartRenderingTo() = 0;
 
    /* Stop rendering to this RenderTarget.  Update the texture, if necessary,
     * and make it available. */
    virtual void FinishRenderingTo() = 0;
 
    [[nodiscard]] virtual auto InvertY() const -> bool { return false; }
 
    [[nodiscard]] auto GetParam() const -> const RenderTargetParam&
    {
        return m_Param;
    }
 
  protected:
    RenderTargetParam m_Param;
};
 
class RenderTargetVK : public RenderTarget
{
  public:
    void Create(const RenderTargetParam& param,
                int& iTextureWidthOut,
                int& iTextureHeightOut) override;
    auto GetTexture() const -> intptr_t override;
    void StartRenderingTo() override;
    void FinishRenderingTo() override;
 
    intptr_t m_Texture;
};
 
#endif