ca425d9fd9
git-svn-id: http://skia.googlecode.com/svn/trunk@8826 2bbb7eff-a529-9590-31e7-b0007b416f81
172 lines
5.9 KiB
C++
172 lines
5.9 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkBitmapSource.h"
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#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkDisplacementMapEffect.h"
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#define FILTER_WIDTH_SMALL 32
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#define FILTER_HEIGHT_SMALL 32
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#define FILTER_WIDTH_LARGE 256
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#define FILTER_HEIGHT_LARGE 256
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class DisplacementBaseBench : public SkBenchmark {
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public:
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DisplacementBaseBench(void* param, bool small) :
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INHERITED(param), fInitialized(false), fIsSmall(small) {
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}
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protected:
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virtual void onPreDraw() SK_OVERRIDE {
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if (!fInitialized) {
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make_bitmap();
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make_checkerboard();
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fInitialized = true;
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}
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}
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void make_bitmap() {
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const int w = isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
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const int h = isSmall() ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
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fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
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fBitmap.allocPixels();
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SkDevice device(fBitmap);
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SkCanvas canvas(&device);
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canvas.clear(0x00000000);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0xFF884422);
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paint.setTextSize(SkIntToScalar(96));
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const char* str = "g";
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canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint);
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}
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void make_checkerboard() {
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const int w = isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
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const int h = isSmall() ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
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fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, w, h);
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fCheckerboard.allocPixels();
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SkDevice device(fCheckerboard);
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SkCanvas canvas(&device);
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canvas.clear(0x00000000);
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SkPaint darkPaint;
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darkPaint.setColor(0xFF804020);
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SkPaint lightPaint;
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lightPaint.setColor(0xFF244484);
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for (int y = 0; y < h; y += 16) {
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for (int x = 0; x < w; x += 16) {
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canvas.save();
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canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
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canvas.restore();
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}
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}
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}
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void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) {
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canvas->save();
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canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y),
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SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height())));
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canvas->drawBitmap(fBitmap, SkIntToScalar(x), SkIntToScalar(y), &paint);
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canvas->restore();
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}
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inline bool isSmall() const { return fIsSmall; }
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SkBitmap fBitmap, fCheckerboard;
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private:
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bool fInitialized;
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bool fIsSmall;
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typedef SkBenchmark INHERITED;
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};
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class DisplacementZeroBench : public DisplacementBaseBench {
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public:
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DisplacementZeroBench(void* param, bool small) : INHERITED(param, small) {
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return isSmall() ? "displacement_zero_small" : "displacement_zero_large";
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkPaint paint;
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SkAutoTUnref<SkImageFilter> displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
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// No displacement effect
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paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect,
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(SkDisplacementMapEffect::kR_ChannelSelectorType,
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SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ)))->unref();
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drawClippedBitmap(canvas, 0, 0, paint);
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}
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private:
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typedef DisplacementBaseBench INHERITED;
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};
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class DisplacementAlphaBench : public DisplacementBaseBench {
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public:
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DisplacementAlphaBench(void* param, bool small) : INHERITED(param, small) {
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return isSmall() ? "displacement_alpha_small" : "displacement_alpha_large";
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkPaint paint;
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SkAutoTUnref<SkImageFilter> displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
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// Displacement, with 1 alpha component (which isn't pre-multiplied)
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paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect,
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(SkDisplacementMapEffect::kB_ChannelSelectorType,
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SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ)))->unref();
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drawClippedBitmap(canvas, 100, 0, paint);
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}
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private:
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typedef DisplacementBaseBench INHERITED;
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};
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class DisplacementFullBench : public DisplacementBaseBench {
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public:
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DisplacementFullBench(void* param, bool small) : INHERITED(param, small) {
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return isSmall() ? "displacement_full_small" : "displacement_full_large";
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkPaint paint;
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SkAutoTUnref<SkImageFilter> displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
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// Displacement, with 2 non-alpha components
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paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect,
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(SkDisplacementMapEffect::kR_ChannelSelectorType,
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SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ)))->unref();
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drawClippedBitmap(canvas, 200, 0, paint);
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}
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private:
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typedef DisplacementBaseBench INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new DisplacementZeroBench(p, true); )
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DEF_BENCH( return new DisplacementAlphaBench(p, true); )
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DEF_BENCH( return new DisplacementFullBench(p, true); )
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DEF_BENCH( return new DisplacementZeroBench(p, false); )
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DEF_BENCH( return new DisplacementAlphaBench(p, false); )
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DEF_BENCH( return new DisplacementFullBench(p, false); )
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