#ifndef FELighting_h
#define FELighting_h
#include "Color.h"
#include "Filter.h"
#include "FilterEffect.h"
#include "LightSource.h"
#include "PointLightSource.h"
#include "SpotLightSource.h"
#include <runtime/Uint8ClampedArray.h>
namespace WebCore {
struct FELightingPaintingDataForNeon;
class FELighting : public FilterEffect {
public:
virtual void platformApplySoftware();
virtual void determineAbsolutePaintRect() { setAbsolutePaintRect(enclosingIntRect(maxEffectRect())); }
protected:
static const int s_minimalRectDimension = 100 * 100;
enum LightingType {
DiffuseLighting,
SpecularLighting
};
struct LightingData {
Uint8ClampedArray* pixels;
float surfaceScale;
int widthMultipliedByPixelSize;
int widthDecreasedByOne;
int heightDecreasedByOne;
inline void topLeft(int offset, IntPoint& normalVector);
inline void topRow(int offset, IntPoint& normalVector);
inline void topRight(int offset, IntPoint& normalVector);
inline void leftColumn(int offset, IntPoint& normalVector);
inline void interior(int offset, IntPoint& normalVector);
inline void rightColumn(int offset, IntPoint& normalVector);
inline void bottomLeft(int offset, IntPoint& normalVector);
inline void bottomRow(int offset, IntPoint& normalVector);
inline void bottomRight(int offset, IntPoint& normalVector);
};
template<typename Type>
friend class ParallelJobs;
struct PlatformApplyGenericParameters {
FELighting* filter;
LightingData data;
LightSource::PaintingData paintingData;
int yStart;
int yEnd;
};
static void platformApplyGenericWorker(PlatformApplyGenericParameters*);
static void platformApplyNeonWorker(FELightingPaintingDataForNeon*);
FELighting(Filter&, LightingType, const Color&, float, float, float, float, float, float, PassRefPtr<LightSource>);
bool drawLighting(Uint8ClampedArray*, int, int);
inline void inlineSetPixel(int offset, LightingData&, LightSource::PaintingData&,
int lightX, int lightY, float factorX, float factorY, IntPoint& normalVector);
void setPixel(int offset, LightingData&, LightSource::PaintingData&,
int lightX, int lightY, float factorX, float factorY, IntPoint& normalVector);
inline void platformApply(LightingData&, LightSource::PaintingData&);
inline void platformApplyGenericPaint(LightingData&, LightSource::PaintingData&, int startX, int startY);
inline void platformApplyGeneric(LightingData&, LightSource::PaintingData&);
static int getPowerCoefficients(float exponent);
inline void platformApplyNeon(LightingData&, LightSource::PaintingData&);
LightingType m_lightingType;
RefPtr<LightSource> m_lightSource;
Color m_lightingColor;
float m_surfaceScale;
float m_diffuseConstant;
float m_specularConstant;
float m_specularExponent;
float m_kernelUnitLengthX;
float m_kernelUnitLengthY;
};
}
#endif // FELighting_h