From 580a17241c51712f26441c6551c773e3769738e9 Mon Sep 17 00:00:00 2001 From: "sugoi@google.com" Date: Tue, 23 Apr 2013 14:20:45 +0000 Subject: Added a few bench for some image filters Review URL: https://codereview.chromium.org/14234019 git-svn-id: http://skia.googlecode.com/svn/trunk@8824 2bbb7eff-a529-9590-31e7-b0007b416f81 --- bench/DisplacementBench.cpp | 171 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 bench/DisplacementBench.cpp (limited to 'bench/DisplacementBench.cpp') diff --git a/bench/DisplacementBench.cpp b/bench/DisplacementBench.cpp new file mode 100644 index 0000000000..32495cb54a --- /dev/null +++ b/bench/DisplacementBench.cpp @@ -0,0 +1,171 @@ +/* + * Copyright 2013 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#include "SkBenchmark.h" +#include "SkBitmapSource.h" +#include "SkCanvas.h" +#include "SkDevice.h" +#include "SkDisplacementMapEffect.h" + +#define FILTER_WIDTH_SMALL SkIntToScalar(32) +#define FILTER_HEIGHT_SMALL SkIntToScalar(32) +#define FILTER_WIDTH_LARGE SkIntToScalar(256) +#define FILTER_HEIGHT_LARGE SkIntToScalar(256) + +class DisplacementBaseBench : public SkBenchmark { +public: + DisplacementBaseBench(void* param, bool small) : + INHERITED(param), fInitialized(false), fIsSmall(small) { + } + +protected: + virtual void onPreDraw() SK_OVERRIDE { + if (!fInitialized) { + make_bitmap(); + make_checkerboard(); + fInitialized = true; + } + } + + void make_bitmap() { + const int w = isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; + const int h = isSmall() ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE; + fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h); + fBitmap.allocPixels(); + SkDevice device(fBitmap); + SkCanvas canvas(&device); + canvas.clear(0x00000000); + SkPaint paint; + paint.setAntiAlias(true); + paint.setColor(0xFF884422); + paint.setTextSize(SkIntToScalar(96)); + const char* str = "g"; + canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint); + } + + void make_checkerboard() { + const int w = isSmall() ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; + const int h = isSmall() ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE; + fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, w, h); + fCheckerboard.allocPixels(); + SkDevice device(fCheckerboard); + SkCanvas canvas(&device); + canvas.clear(0x00000000); + SkPaint darkPaint; + darkPaint.setColor(0xFF804020); + SkPaint lightPaint; + lightPaint.setColor(0xFF244484); + for (int y = 0; y < h; y += 16) { + for (int x = 0; x < w; x += 16) { + canvas.save(); + canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); + canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); + canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); + canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); + canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); + canvas.restore(); + } + } + } + + void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) { + canvas->save(); + canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y), + SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height()))); + canvas->drawBitmap(fBitmap, SkIntToScalar(x), SkIntToScalar(y), &paint); + canvas->restore(); + } + + inline bool isSmall() const { return fIsSmall; } + + SkBitmap fBitmap, fCheckerboard; +private: + bool fInitialized; + bool fIsSmall; + typedef SkBenchmark INHERITED; +}; + +class DisplacementZeroBench : public DisplacementBaseBench { +public: + DisplacementZeroBench(void* param, bool small) : INHERITED(param, small) { + } + +protected: + virtual const char* onGetName() SK_OVERRIDE { + return isSmall() ? "displacement_zero_small" : "displacement_zero_large"; + } + + virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { + SkPaint paint; + SkAutoTUnref displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard))); + // No displacement effect + paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect, + (SkDisplacementMapEffect::kR_ChannelSelectorType, + SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ)))->unref(); + drawClippedBitmap(canvas, 0, 0, paint); + } + +private: + typedef DisplacementBaseBench INHERITED; +}; + +class DisplacementAlphaBench : public DisplacementBaseBench { +public: + DisplacementAlphaBench(void* param, bool small) : INHERITED(param, small) { + } + +protected: + virtual const char* onGetName() SK_OVERRIDE { + return isSmall() ? "displacement_alpha_small" : "displacement_alpha_large"; + } + + virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { + SkPaint paint; + SkAutoTUnref displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard))); + // Displacement, with 1 alpha component (which isn't pre-multiplied) + paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect, + (SkDisplacementMapEffect::kB_ChannelSelectorType, + SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ)))->unref(); + drawClippedBitmap(canvas, 100, 0, paint); + } + +private: + typedef DisplacementBaseBench INHERITED; +}; + +class DisplacementFullBench : public DisplacementBaseBench { +public: + DisplacementFullBench(void* param, bool small) : INHERITED(param, small) { + } + +protected: + virtual const char* onGetName() SK_OVERRIDE { + return isSmall() ? "displacement_full_small" : "displacement_full_large"; + } + + virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { + SkPaint paint; + SkAutoTUnref displ(SkNEW_ARGS(SkBitmapSource, (fCheckerboard))); + // Displacement, with 2 non-alpha components + paint.setImageFilter(SkNEW_ARGS(SkDisplacementMapEffect, + (SkDisplacementMapEffect::kR_ChannelSelectorType, + SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ)))->unref(); + drawClippedBitmap(canvas, 200, 0, paint); + } + +private: + typedef DisplacementBaseBench INHERITED; +}; + +/////////////////////////////////////////////////////////////////////////////// + +DEF_BENCH( return new DisplacementZeroBench(p, true); ) +DEF_BENCH( return new DisplacementAlphaBench(p, true); ) +DEF_BENCH( return new DisplacementFullBench(p, true); ) +DEF_BENCH( return new DisplacementZeroBench(p, false); ) +DEF_BENCH( return new DisplacementAlphaBench(p, false); ) +DEF_BENCH( return new DisplacementFullBench(p, false); ) + -- cgit v1.2.3