add options to bench: -repeat N -forceOpaque -forceBlend -forceAA -forceBW

output stats for all configs (should be a option)



git-svn-id: http://skia.googlecode.com/svn/trunk@73 2bbb7eff-a529-9590-31e7-b0007b416f81

bench/RectBench.cpp

@@ -44,13 +44,13 @@ protected:
         c->drawRect(r, p);
     }
 
-    virtual const char* onGetName() { return computeName("rectangles"); }
+    virtual const char* onGetName() { return computeName("rects"); }
     virtual SkIPoint onGetSize() { return SkMakeIPoint(640, 480); }
     virtual void onDraw(SkCanvas* canvas) {
         SkPaint paint;
-        paint.setAntiAlias(true);
         for (int i = 0; i < N; i++) {
             paint.setColor(fColors[i]);
+            this->setupPaint(&paint);
             this->drawThisRect(canvas, fRects[i], paint);
         }
     }
@@ -73,7 +73,7 @@ protected:
     virtual void drawThisRect(SkCanvas* c, const SkRect& r, const SkPaint& p) {
         c->drawRoundRect(r, r.width() / 4, r.height() / 4, p);
     }
-    virtual const char* onGetName() { return computeName("roundrects"); }
+    virtual const char* onGetName() { return computeName("rrects"); }
 };
 
 class PointsBench : public RectBench {
@@ -93,11 +93,11 @@ protected:
         };
 
         SkPaint paint;
-        paint.setAntiAlias(true);
         paint.setStrokeCap(SkPaint::kRound_Cap);
         
         for (size_t i = 0; i < SK_ARRAY_COUNT(gSizes); i++) {
             paint.setStrokeWidth(gSizes[i]);
+            this->setupPaint(&paint);
             canvas->drawPoints(fMode, N * 2,
                                reinterpret_cast<const SkPoint*>(fRects), paint);
             paint.setColor(fColors[i]);

bench/SkBenchmark.cpp

@@ -1,4 +1,10 @@
 #include "SkBenchmark.h"
+#include "SkPaint.h"
+
+SkBenchmark::SkBenchmark() {
+    fForceAlpha = 0xFF;
+    fForceAA = true;
+}
 
 const char* SkBenchmark::getName() {
     return this->onGetName();
@@ -12,3 +18,9 @@ void SkBenchmark::draw(SkCanvas* canvas) {
     this->onDraw(canvas);
 }
 
+void SkBenchmark::setupPaint(SkPaint* paint) {
+    paint->setAlpha(fForceAlpha);
+    paint->setAntiAlias(fForceAA);
+}
+
+

bench/SkBenchmark.h

@@ -5,17 +5,34 @@
 #include "SkPoint.h"
 
 class SkCanvas;
+class SkPaint;
 
 class SkBenchmark : public SkRefCnt {
 public:
+    SkBenchmark();
+
     const char* getName();
     SkIPoint getSize();
     void draw(SkCanvas*);
+    
+    void setForceAlpha(int alpha) {
+        fForceAlpha = alpha;
+    }
+    
+    void setForceAA(bool aa) {
+        fForceAA = aa;
+    }
 
 protected:
+    void setupPaint(SkPaint* paint);
+
     virtual const char* onGetName() = 0;
     virtual SkIPoint onGetSize() = 0;
     virtual void onDraw(SkCanvas*) = 0;
+    
+private:
+    int     fForceAlpha;
+    bool    fForceAA;
 };
 
 static inline SkIPoint SkMakeIPoint(int x, int y) {

bench/main.cpp

@@ -2,6 +2,7 @@
 #include "SkCanvas.h"
 #include "SkImageEncoder.h"
 #include "SkString.h"
+#include "SkTime.h"
 
 #include "SkBenchmark.h"
 
@@ -42,7 +43,21 @@ static void make_filename(const char name[], SkString* path) {
     }
 }
 
+static const struct {
+    SkBitmap::Config    fConfig;
+    const char*         fName;
+} gConfigs[] = {
+    { SkBitmap::kARGB_8888_Config,  "8888" },
+    { SkBitmap::kRGB_565_Config,    "565",  },
+    { SkBitmap::kARGB_4444_Config,  "4444", },
+    { SkBitmap::kA8_Config,         "A8",   }
+};
+
 int main (int argc, char * const argv[]) {
+    int repeatDraw = 1;
+    int forceAlpha = 0xFF;
+    bool forceAA = true;
+
     SkString outDir;
     SkBitmap::Config outConfig = SkBitmap::kARGB_8888_Config;
 
@@ -64,9 +79,31 @@ int main (int argc, char * const argv[]) {
             outConfig = SkBitmap::kARGB_4444_Config;
         } else if (strcmp(*argv, "-a8") == 0) {
             outConfig = SkBitmap::kA8_Config;
+        } else if (strcmp(*argv, "-repeat") == 0) {
+            argv++;
+            if (argv < stop) {
+                repeatDraw = atoi(*argv);
+                if (repeatDraw < 1) {
+                    repeatDraw = 1;
+                }
+            } else {
+                fprintf(stderr, "missing arg for -repeat\n");
+                return -1;
+            }
+        } else if (strcmp(*argv, "-forceAA") == 0) {
+            forceAA = true;
+        } else if (strcmp(*argv, "-forceBW") == 0) {
+            forceAA = false;
+        } else if (strcmp(*argv, "-forceBlend") == 0) {
+            forceAlpha = 0x80;
+        } else if (strcmp(*argv, "-forceOpaque") == 0) {
+            forceAlpha = 0xFF;
         }
     }
-
+    
+    const char* configName = "";
+    int configCount = SK_ARRAY_COUNT(gConfigs);
+    
     Iter iter;
     SkBenchmark* bench;
     while ((bench = iter.next()) != NULL) {
@@ -74,15 +111,35 @@ int main (int argc, char * const argv[]) {
         if (dim.fX <= 0 || dim.fY <= 0) {
             continue;
         }
-
-        SkBitmap bm;
-        bm.setConfig(outConfig, dim.fX, dim.fY);
-        bm.allocPixels();
         
-        SkCanvas canvas(bm);
-        canvas.drawColor(SK_ColorWHITE);
-        printf("running bench %s\n", bench->getName());
-        bench->draw(&canvas);
+        bench->setForceAlpha(forceAlpha);
+        bench->setForceAA(forceAA);
+
+        printf("running bench %16s", bench->getName());
+
+        for (int configIndex = 0; configIndex < configCount; configIndex++) {
+            if (configCount > 1) {
+                outConfig = gConfigs[configIndex].fConfig;
+                configName = gConfigs[configIndex].fName;
+            }
+            
+            SkBitmap bm;
+            bm.setConfig(outConfig, dim.fX, dim.fY);
+            bm.allocPixels();
+            
+            SkCanvas canvas(bm);
+            canvas.drawColor(SK_ColorWHITE);
+            
+            SkMSec now = SkTime::GetMSecs();
+            for (int i = 0; i < repeatDraw; i++) {
+                bench->draw(&canvas);
+            }
+            if (repeatDraw > 1) {
+                printf("  %4s:%7.2f", configName,
+                       (SkTime::GetMSecs() - now) / (double)repeatDraw);
+            }
+        }
+        printf("\n");
 
 #if 0        
         SkString str;