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      1 /*
      2  * Copyright 2013 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 #include "SkBenchmark.h"
      8 #include "SkBitmapSource.h"
      9 #include "SkCanvas.h"
     10 #include "SkDevice.h"
     11 #include "SkLightingImageFilter.h"
     12 
     13 #define FILTER_WIDTH_SMALL  SkIntToScalar(32)
     14 #define FILTER_HEIGHT_SMALL SkIntToScalar(32)
     15 #define FILTER_WIDTH_LARGE  SkIntToScalar(256)
     16 #define FILTER_HEIGHT_LARGE SkIntToScalar(256)
     17 
     18 class LightingBaseBench : public SkBenchmark {
     19 public:
     20     LightingBaseBench(bool small) : fIsSmall(small) { }
     21 
     22 protected:
     23     void draw(const int loops, SkCanvas* canvas, SkImageFilter* imageFilter) const {
     24         SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
     25                               SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
     26         SkPaint paint;
     27         paint.setImageFilter(imageFilter)->unref();
     28         for (int i = 0; i < loops; i++) {
     29             canvas->drawRect(r, paint);
     30         }
     31     }
     32 
     33     static SkPoint3 getPointLocation() {
     34         static SkPoint3 pointLocation(0, 0, SkIntToScalar(10));
     35         return pointLocation;
     36     }
     37 
     38     static SkPoint3 getDistantDirection() {
     39         static SkScalar azimuthRad = SkDegreesToRadians(SkIntToScalar(225));
     40         static SkScalar elevationRad = SkDegreesToRadians(SkIntToScalar(5));
     41         static SkPoint3 distantDirection(SkScalarMul(SkScalarCos(azimuthRad),
     42                                                      SkScalarCos(elevationRad)),
     43                                          SkScalarMul(SkScalarSin(azimuthRad),
     44                                                      SkScalarCos(elevationRad)),
     45                                          SkScalarSin(elevationRad));
     46         return distantDirection;
     47     }
     48 
     49     static SkPoint3 getSpotLocation() {
     50         static SkPoint3 spotLocation(SkIntToScalar(-10), SkIntToScalar(-10), SkIntToScalar(20));
     51         return spotLocation;
     52     }
     53 
     54     static SkPoint3 getSpotTarget() {
     55         static SkPoint3 spotTarget(SkIntToScalar(40), SkIntToScalar(40), 0);
     56         return spotTarget;
     57     }
     58 
     59     static SkScalar getSpotExponent() {
     60         static SkScalar spotExponent = SK_Scalar1;
     61         return spotExponent;
     62     }
     63 
     64     static SkScalar getCutoffAngle() {
     65         static SkScalar cutoffAngle = SkIntToScalar(15);
     66         return cutoffAngle;
     67     }
     68 
     69     static SkScalar getKd() {
     70         static SkScalar kd = SkIntToScalar(2);
     71         return kd;
     72     }
     73 
     74     static SkScalar getKs() {
     75         static SkScalar ks = SkIntToScalar(1);
     76         return ks;
     77     }
     78 
     79     static SkScalar getShininess() {
     80         static SkScalar shininess = SkIntToScalar(8);
     81         return shininess;
     82     }
     83 
     84     static SkScalar getSurfaceScale() {
     85         static SkScalar surfaceScale = SkIntToScalar(1);
     86         return surfaceScale;
     87     }
     88 
     89     static SkColor getWhite() {
     90         static SkColor white(0xFFFFFFFF);
     91         return white;
     92     }
     93 
     94     bool fIsSmall;
     95     typedef SkBenchmark INHERITED;
     96 };
     97 
     98 class LightingPointLitDiffuseBench : public LightingBaseBench {
     99 public:
    100     LightingPointLitDiffuseBench(bool small) : INHERITED(small) {
    101     }
    102 
    103 protected:
    104     virtual const char* onGetName() SK_OVERRIDE {
    105         return fIsSmall ? "lightingpointlitdiffuse_small" : "lightingpointlitdiffuse_large";
    106     }
    107 
    108     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    109         draw(loops, canvas, SkLightingImageFilter::CreatePointLitDiffuse(getPointLocation(),
    110                                                                          getWhite(),
    111                                                                          getSurfaceScale(),
    112                                                                          getKd()));
    113     }
    114 
    115 private:
    116     typedef LightingBaseBench INHERITED;
    117 };
    118 
    119 class LightingDistantLitDiffuseBench : public LightingBaseBench {
    120 public:
    121     LightingDistantLitDiffuseBench(bool small) : INHERITED(small) {
    122     }
    123 
    124 protected:
    125     virtual const char* onGetName() SK_OVERRIDE {
    126         return fIsSmall ? "lightingdistantlitdiffuse_small" : "lightingdistantlitdiffuse_large";
    127     }
    128 
    129     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    130         draw(loops, canvas, SkLightingImageFilter::CreateDistantLitDiffuse(getDistantDirection(),
    131                                                                            getWhite(),
    132                                                                            getSurfaceScale(),
    133                                                                            getKd()));
    134     }
    135 
    136 private:
    137     typedef LightingBaseBench INHERITED;
    138 };
    139 
    140 class LightingSpotLitDiffuseBench : public LightingBaseBench {
    141 public:
    142     LightingSpotLitDiffuseBench(bool small) : INHERITED(small) {
    143     }
    144 
    145 protected:
    146     virtual const char* onGetName() SK_OVERRIDE {
    147         return fIsSmall ? "lightingspotlitdiffuse_small" : "lightingspotlitdiffuse_large";
    148     }
    149 
    150     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    151         draw(loops, canvas, SkLightingImageFilter::CreateSpotLitDiffuse(getSpotLocation(),
    152                                                                         getSpotTarget(),
    153                                                                         getSpotExponent(),
    154                                                                         getCutoffAngle(),
    155                                                                         getWhite(),
    156                                                                         getSurfaceScale(),
    157                                                                         getKd()));
    158     }
    159 
    160 private:
    161     typedef LightingBaseBench INHERITED;
    162 };
    163 
    164 class LightingPointLitSpecularBench : public LightingBaseBench {
    165 public:
    166     LightingPointLitSpecularBench(bool small) : INHERITED(small) {
    167     }
    168 
    169 protected:
    170     virtual const char* onGetName() SK_OVERRIDE {
    171         return fIsSmall ? "lightingpointlitspecular_small" : "lightingpointlitspecular_large";
    172     }
    173 
    174     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    175         draw(loops, canvas, SkLightingImageFilter::CreatePointLitSpecular(getPointLocation(),
    176                                                                           getWhite(),
    177                                                                           getSurfaceScale(),
    178                                                                           getKs(),
    179                                                                           getShininess()));
    180     }
    181 
    182 private:
    183     typedef LightingBaseBench INHERITED;
    184 };
    185 
    186 class LightingDistantLitSpecularBench : public LightingBaseBench {
    187 public:
    188     LightingDistantLitSpecularBench(bool small) : INHERITED(small) {
    189     }
    190 
    191 protected:
    192     virtual const char* onGetName() SK_OVERRIDE {
    193         return fIsSmall ? "lightingdistantlitspecular_small" : "lightingdistantlitspecular_large";
    194     }
    195 
    196     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    197         draw(loops, canvas, SkLightingImageFilter::CreateDistantLitSpecular(getDistantDirection(),
    198                                                                             getWhite(),
    199                                                                             getSurfaceScale(),
    200                                                                             getKs(),
    201                                                                             getShininess()));
    202     }
    203 
    204 private:
    205     typedef LightingBaseBench INHERITED;
    206 };
    207 
    208 class LightingSpotLitSpecularBench : public LightingBaseBench {
    209 public:
    210     LightingSpotLitSpecularBench(bool small) : INHERITED(small) {
    211     }
    212 
    213 protected:
    214     virtual const char* onGetName() SK_OVERRIDE {
    215         return fIsSmall ? "lightingspotlitspecular_small" : "lightingspotlitspecular_large";
    216     }
    217 
    218     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
    219         draw(loops, canvas, SkLightingImageFilter::CreateSpotLitSpecular(getSpotLocation(),
    220                                                                          getSpotTarget(),
    221                                                                          getSpotExponent(),
    222                                                                          getCutoffAngle(),
    223                                                                          getWhite(),
    224                                                                          getSurfaceScale(),
    225                                                                          getKs(),
    226                                                                          getShininess()));
    227     }
    228 
    229 private:
    230     typedef LightingBaseBench INHERITED;
    231 };
    232 
    233 ///////////////////////////////////////////////////////////////////////////////
    234 
    235 DEF_BENCH( return new LightingPointLitDiffuseBench(true); )
    236 DEF_BENCH( return new LightingPointLitDiffuseBench(false); )
    237 DEF_BENCH( return new LightingDistantLitDiffuseBench(true); )
    238 DEF_BENCH( return new LightingDistantLitDiffuseBench(false); )
    239 DEF_BENCH( return new LightingSpotLitDiffuseBench(true); )
    240 DEF_BENCH( return new LightingSpotLitDiffuseBench(false); )
    241 DEF_BENCH( return new LightingPointLitSpecularBench(true); )
    242 DEF_BENCH( return new LightingPointLitSpecularBench(false); )
    243 DEF_BENCH( return new LightingDistantLitSpecularBench(true); )
    244 DEF_BENCH( return new LightingDistantLitSpecularBench(false); )
    245 DEF_BENCH( return new LightingSpotLitSpecularBench(true); )
    246 DEF_BENCH( return new LightingSpotLitSpecularBench(false); )
    247