#pragma once

/*------------------------------------

 Iwa_PerspectiveDistortFx

 奥行き方向に台形歪みを行うエフェクト

 ディティールを保持するため、引き伸ばす量に応じて素材の解像度を上げる

------------------------------------*/

#ifndef IWA_PERSPECTIVE_DISTORT_H

#define IWA_PERSPECTIVE_DISTORT_H

#include "tfxparam.h"

#include "stdfx.h"

#include "tparamset.h"

struct float4 {

#if defined(TNZ_MACHINE_CHANNEL_ORDER_BGRM)

  float z, y, x, w;

#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MBGR)

  float w, x, y, x;

#elif defined(TNZ_MACHINE_CHANNEL_ORDER_RGBM)

  float x, y, x, w;

#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MRGB)

  float w, x, y, z;

#endif

};

class Iwa_PerspectiveDistortFx final : public TStandardRasterFx {

  FX_PLUGIN_DECLARATION(Iwa_PerspectiveDistortFx)

protected:

  TRasterFxPort m_source; /*- 入力画像 -*/

  TPointParamP m_vanishingPoint; /*- 消失点 -*/

  TPointParamP m_anchorPoint;    /*- 基準点 -*/

  TDoubleParamP m_precision; /*- 細かさ。解像度の引き上げ度合い -*/

  /*- 出力結果をChannel値に変換して格納 -*/

  template <typename pixel="" raster,="" typename=""></typename>

  void setOutputRaster(float4 *srcMem, const RASTER dstRas, TDimensionI dim,

                       int drawLevel);

  /*- タイルの画像を０〜１に正規化してホストメモリに読み込む -*/

  template <typename pixel="" raster,="" typename=""></typename>

  void setSourceRaster(const RASTER srcRas, float4 *dstMem, TDimensionI dim);

public:

  Iwa_PerspectiveDistortFx();

  bool doGetBBox(double frame, TRectD &bBox,

                 const TRenderSettings &info) override;

  bool canHandle(const TRenderSettings &info, double frame) override;

  void doCompute(TTile &tile, double frame,

                 const TRenderSettings &rend_sets) override;

  void doCompute_CPU(TTile &tile, const double frame,

                     const TRenderSettings &settings, TPointD &vanishingPoint,

                     TPointD &anchorPoint, float4 *source_host,

                     float4 *result_host, TDimensionI &sourceDim,

                     TDimensionI &resultDim, const double precision,

                     const double offs);

  void getParamUIs(TParamUIConcept *&concepts, int &length) override;

  bool toBeComputedInLinearColorSpace(bool settingsIsLinear,

                                      bool tileIsLinear) const override;

};

#endif