mirror of
https://bitbucket.org/mfeemster/fractorium.git
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2adf9f3ff9
-Attempt to fix several OpenCL build errors that were occurring on Mac. --Code changes -Improve the coloring code during final accum by getting rid of the last remnants of unnecessary scaling to 255 from flam3. -Begin work of supporting 16bpc on the GPU.
207 lines
9.7 KiB
C++
207 lines
9.7 KiB
C++
#pragma once
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#include "RendererBase.h"
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#include "Iterator.h"
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#include "SpatialFilter.h"
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#include "TemporalFilter.h"
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#include "Interpolate.h"
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#include "CarToRas.h"
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#include "EmberToXml.h"
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/// <summary>
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/// Renderer.
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/// </summary>
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namespace EmberNs
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{
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/// <summary>
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/// Renderer is the main class where all of the execution takes place.
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/// It is intended that the program have one instance of it that it
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/// keeps around for its duration. After a user sets up an ember, it's passed
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/// in to be rendered.
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/// This class derives from EmberReport, so the caller is able
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/// to retrieve a text dump of error information if any errors occur.
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/// The final image output vector is also passed in because the calling code has more
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/// use for it than this class does.
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/// Several functions are made virtual and have a default CPU-based implementation
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/// that roughly matches what flam3 did. However they can be overridden in derived classes
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/// to provide alternative rendering implementations, such as using the GPU.
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/// Since this is a templated class, it's supposed to be entirely implemented in this .h file.
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/// However, VC++ 2010 has very crippled support for lambdas, which Renderer makes use of.
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/// If too many lambdas are used in a .h file, it will crash the compiler when another library
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/// tries to link to it. To work around the bug, only declarations are here and all implementations
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/// are in the .cpp file. It's unclear at what point it starts/stops working. But it seems that once
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/// enough code is placed in the .h file, the compiler crashes. So for the sake of consistency, everything
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/// is moved to the .cpp, even simple getters. One drawback however, is that the class must be
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/// explicitly exported at the bottom of the file.
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/// Also, despite explicitly doing this, the compiler throws a C4661 warning
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/// for every single function in this class, saying it can't find the implementation. This warning
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/// can be safely ignored.
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/// Template argument T expected to be float or double.
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/// Template argument bucketT must always be float.
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/// </summary>
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template <typename T, typename bucketT>
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class EMBER_API Renderer : public RendererBase
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{
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public:
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Renderer();
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Renderer(const Renderer<T, bucketT>& renderer) = delete;
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Renderer<T, bucketT>& operator = (const Renderer<T, bucketT>& renderer) = delete;
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virtual ~Renderer() = default;
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//Non-virtual processing functions.
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void AddEmber(Ember<T>& ember);
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bool AssignIterator();
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//Virtual processing functions overriden from RendererBase.
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virtual void ComputeBounds() override;
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virtual void ComputeQuality() override;
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virtual void ComputeCamera() override;
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virtual void SetEmber(const Ember<T>& ember, eProcessAction action = eProcessAction::FULL_RENDER, bool prep = false) override;
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template <typename C>
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void SetEmber(const C& embers);
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void MoveEmbers(vector<Ember<T>>& embers);
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void SetExternalEmbersPointer(vector<Ember<T>>* embers);
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virtual bool CreateDEFilter(bool& newAlloc) override;
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virtual bool CreateSpatialFilter(bool& newAlloc) override;
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virtual bool CreateTemporalFilter(bool& newAlloc) override;
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virtual size_t HistBucketSize() const override { return sizeof(tvec4<bucketT, glm::defaultp>); }
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virtual eRenderStatus Run(vector<byte>& finalImage, double time = 0, size_t subBatchCountOverride = 0, bool forceOutput = false, size_t finalOffset = 0) override;
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virtual EmberImageComments ImageComments(const EmberStats& stats, size_t printEditDepth = 0, bool hexPalette = true) override;
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protected:
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//New virtual functions to be overridden in derived renderers that use the GPU, but not accessed outside.
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virtual void MakeDmap(T colorScalar);
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virtual bool Alloc(bool histOnly = false);
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virtual bool ResetBuckets(bool resetHist = true, bool resetAccum = true);
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virtual eRenderStatus LogScaleDensityFilter(bool forceOutput = false);
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virtual eRenderStatus GaussianDensityFilter();
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virtual eRenderStatus AccumulatorToFinalImage(vector<byte>& pixels, size_t finalOffset);
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virtual eRenderStatus AccumulatorToFinalImage(byte* pixels, size_t finalOffset);
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virtual EmberStats Iterate(size_t iterCount, size_t temporalSample);
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virtual void ComputeCurves(bool scale);
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public:
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//Non-virtual render properties, getters and setters.
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inline T PixelAspectRatio() const;
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void PixelAspectRatio(T pixelAspectRatio);
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//Non-virtual renderer properties, getters only.
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inline T Scale() const;
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inline T PixelsPerUnitX() const;
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inline T PixelsPerUnitY() const;
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inline bucketT K1() const;
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inline bucketT K2() const;
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inline const CarToRas<T>& CoordMap() const;
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inline tvec4<bucketT, glm::defaultp>* HistBuckets();
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inline tvec4<bucketT, glm::defaultp>* AccumulatorBuckets();
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inline SpatialFilter<bucketT>* GetSpatialFilter();
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inline TemporalFilter<T>* GetTemporalFilter();
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//Virtual renderer properties overridden from RendererBase, getters only.
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virtual double ScaledQuality() const override;
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virtual double LowerLeftX(bool gutter = true) const override;
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virtual double LowerLeftY(bool gutter = true) const override;
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virtual double UpperRightX(bool gutter = true) const override;
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virtual double UpperRightY(bool gutter = true) const override;
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virtual DensityFilterBase* GetDensityFilter() override;
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//Non-virtual ember wrappers, getters only.
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inline bool XaosPresent() const;
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inline size_t Supersample() const;
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inline size_t PaletteIndex() const;
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inline T Time() const;
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inline T Quality() const;
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inline T SpatialFilterRadius() const;
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inline T PixelsPerUnit() const;
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inline T Zoom() const;
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inline T CenterX() const;
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inline T CenterY() const;
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inline T Rotate() const;
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inline T Hue() const;
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inline bucketT Brightness() const;
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inline bucketT Contrast() const;
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inline bucketT Gamma() const;
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inline bucketT Vibrancy() const;
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inline bucketT GammaThresh() const;
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inline bucketT HighlightPower() const;
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inline Color<T> Background() const;
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inline const Xform<T>* Xforms() const;
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inline Xform<T>* NonConstXforms();
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inline size_t XformCount() const;
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inline const Xform<T>* FinalXform() const;
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inline Xform<T>* NonConstFinalXform();
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inline bool UseFinalXform() const;
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inline const Palette<float>* GetPalette() const;
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inline ePaletteMode PaletteMode() const;
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//Virtual ember wrappers overridden from RendererBase, getters only.
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virtual size_t TemporalSamples() const override;
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virtual size_t FinalRasW() const override;
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virtual size_t FinalRasH() const override;
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virtual size_t SubBatchSize() const override;
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virtual size_t FuseCount() const override;
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//Non-virtual iterator wrappers.
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const byte* XformDistributions() const;
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size_t XformDistributionsSize() const;
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Point<T>* Samples(size_t threadIndex) const;
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protected:
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//Non-virtual functions that might be needed by a derived class.
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void PrepFinalAccumVals(Color<bucketT>& background, bucketT& g, bucketT& linRange, bucketT& vibrancy);
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private:
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//Miscellaneous non-virtual functions used only in this class.
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void Accumulate(QTIsaac<ISAAC_SIZE, ISAAC_INT>& rand, Point<T>* samples, size_t sampleCount, const Palette<bucketT>* palette);
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/*inline*/ void AddToAccum(const tvec4<bucketT, glm::defaultp>& bucket, intmax_t i, intmax_t ii, intmax_t j, intmax_t jj);
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template <typename accumT> void GammaCorrection(tvec4<bucketT, glm::defaultp>& bucket, Color<bucketT>& background, bucketT g, bucketT linRange, bucketT vibrancy, bool doAlpha, bool scale, accumT* correctedChannels);
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void CurveAdjust(bucketT& a, const glm::length_t& index);
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void VectorizedLogScale(size_t row, size_t rowEnd);
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protected:
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T m_Scale;
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T m_PixelsPerUnitX;
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T m_PixelsPerUnitY;
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T m_PixelAspectRatio = 1;
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T m_LowerLeftX;
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T m_LowerLeftY;
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T m_UpperRightX;
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T m_UpperRightY;
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bucketT m_K1;
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bucketT m_K2;
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bucketT m_Vibrancy;//Accumulate these after each temporal sample.
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bucketT m_Gamma;
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T m_ScaledQuality;
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Color<bucketT> m_Background;//This is a scaled copy of the m_Background member of m_Ember, but with a type of bucketT.
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Affine2D<T> m_RotMat;
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Ember<T> m_Ember;
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Ember<T> m_TempEmber;
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Ember<T> m_LastEmber;
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private:
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vector<Ember<T>> m_Embers;
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protected:
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vector<Ember<T>>* m_EmbersP = &m_Embers;
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vector<Ember<T>> m_ThreadEmbers;
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Interpolater<T> m_Interpolater;
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CarToRas<T> m_CarToRas;
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unique_ptr<StandardIterator<T>> m_StandardIterator = make_unique<StandardIterator<T>>();
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unique_ptr<XaosIterator<T>> m_XaosIterator = make_unique<XaosIterator<T>>();
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Iterator<T>* m_Iterator = m_StandardIterator.get();
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Palette<bucketT> m_Dmap;
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vector<tvec4<bucketT, glm::defaultp>> m_Csa;
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vector<tvec4<bucketT, glm::defaultp>> m_HistBuckets;
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vector<tvec4<bucketT, glm::defaultp>> m_AccumulatorBuckets;
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unique_ptr<SpatialFilter<bucketT>> m_SpatialFilter;
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unique_ptr<TemporalFilter<T>> m_TemporalFilter;
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unique_ptr<DensityFilter<bucketT>> m_DensityFilter;
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vector<vector<Point<T>>> m_Samples;
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EmberToXml<T> m_EmberToXml;
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};
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//This class had to be implemented in a cpp file because the compiler was breaking.
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//So the explicit instantiation must be declared here rather than in Ember.cpp where
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//all of the other classes are done.
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}
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