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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #include "SkBlurMask.h" | 8 #include "SkBlurMask.h" |
9 #include "SkBlurMaskFilter.h" | 9 #include "SkBlurMaskFilter.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkMath.h" | 11 #include "SkMath.h" |
12 #include "SkPaint.h" | 12 #include "SkPaint.h" |
13 #include "Test.h" | 13 #include "Test.h" |
14 | 14 |
15 #if SK_SUPPORT_GPU | 15 #if SK_SUPPORT_GPU |
16 #include "GrContextFactory.h" | 16 #include "GrContextFactory.h" |
17 #include "SkGpuDevice.h" | 17 #include "SkGpuDevice.h" |
18 #endif | 18 #endif |
19 | 19 |
20 #define WRITE_CSV 0 | 20 #define WRITE_CSV 0 |
21 | 21 |
22 /////////////////////////////////////////////////////////////////////////////// | 22 /////////////////////////////////////////////////////////////////////////////// |
23 | 23 |
24 #define ILLEGAL_MODE ((SkXfermode::Mode)-1) | 24 #define ILLEGAL_MODE ((SkXfermode::Mode)-1) |
25 | 25 |
26 static const int outset = 100; | 26 static const int outset = 100; |
27 static const SkColor bgColor = SK_ColorWHITE; | 27 static const SkColor bgColor = SK_ColorWHITE; |
28 static const int strokeWidth = 4; | 28 static const int strokeWidth = 4; |
29 | 29 |
30 static void create(SkBitmap* bm, SkIRect bound, SkBitmap::Config config) { | 30 static void create(SkBitmap* bm, const SkIRect& bound) { |
31 bm->setConfig(config, bound.width(), bound.height()); | 31 bm->allocN32Pixels(bound.width(), bound.height()); |
32 bm->allocPixels(); | |
33 } | 32 } |
34 | 33 |
35 static void drawBG(SkCanvas* canvas) { | 34 static void drawBG(SkCanvas* canvas) { |
36 canvas->drawColor(bgColor); | 35 canvas->drawColor(bgColor); |
37 } | 36 } |
38 | 37 |
39 | 38 |
40 struct BlurTest { | 39 struct BlurTest { |
41 void (*addPath)(SkPath*); | 40 void (*addPath)(SkPath*); |
42 int viewLen; | 41 int viewLen; |
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119 for (size_t test = 0; test < SK_ARRAY_COUNT(tests); ++test) { | 118 for (size_t test = 0; test < SK_ARRAY_COUNT(tests); ++test) { |
120 SkPath path; | 119 SkPath path; |
121 tests[test].addPath(&path); | 120 tests[test].addPath(&path); |
122 SkPath strokedPath; | 121 SkPath strokedPath; |
123 paint.getFillPath(path, &strokedPath); | 122 paint.getFillPath(path, &strokedPath); |
124 SkRect refBound = strokedPath.getBounds(); | 123 SkRect refBound = strokedPath.getBounds(); |
125 SkIRect iref; | 124 SkIRect iref; |
126 refBound.roundOut(&iref); | 125 refBound.roundOut(&iref); |
127 iref.inset(-outset, -outset); | 126 iref.inset(-outset, -outset); |
128 SkBitmap refBitmap; | 127 SkBitmap refBitmap; |
129 create(&refBitmap, iref, SkBitmap::kARGB_8888_Config); | 128 create(&refBitmap, iref); |
130 | 129 |
131 SkCanvas refCanvas(refBitmap); | 130 SkCanvas refCanvas(refBitmap); |
132 refCanvas.translate(SkIntToScalar(-iref.fLeft), | 131 refCanvas.translate(SkIntToScalar(-iref.fLeft), |
133 SkIntToScalar(-iref.fTop)); | 132 SkIntToScalar(-iref.fTop)); |
134 drawBG(&refCanvas); | 133 drawBG(&refCanvas); |
135 refCanvas.drawPath(path, paint); | 134 refCanvas.drawPath(path, paint); |
136 | 135 |
137 for (int view = 0; view < tests[test].viewLen; ++view) { | 136 for (int view = 0; view < tests[test].viewLen; ++view) { |
138 SkIRect itest = tests[test].views[view]; | 137 SkIRect itest = tests[test].views[view]; |
139 SkBitmap testBitmap; | 138 SkBitmap testBitmap; |
140 create(&testBitmap, itest, SkBitmap::kARGB_8888_Config); | 139 create(&testBitmap, itest); |
141 | 140 |
142 SkCanvas testCanvas(testBitmap); | 141 SkCanvas testCanvas(testBitmap); |
143 testCanvas.translate(SkIntToScalar(-itest.fLeft), | 142 testCanvas.translate(SkIntToScalar(-itest.fLeft), |
144 SkIntToScalar(-itest.fTop)); | 143 SkIntToScalar(-itest.fTop)); |
145 drawBG(&testCanvas); | 144 drawBG(&testCanvas); |
146 testCanvas.drawPath(path, paint); | 145 testCanvas.drawPath(path, paint); |
147 | 146 |
148 REPORTER_ASSERT(reporter, | 147 REPORTER_ASSERT(reporter, |
149 compare(refBitmap, iref, testBitmap, itest)); | 148 compare(refBitmap, iref, testBitmap, itest)); |
150 } | 149 } |
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237 SkBlurMaskFilter::kHighQuali
ty_BlurFlag); | 236 SkBlurMaskFilter::kHighQuali
ty_BlurFlag); |
238 blurPaint.setMaskFilter(filter)->unref(); | 237 blurPaint.setMaskFilter(filter)->unref(); |
239 | 238 |
240 canvas->drawColor(SK_ColorBLACK); | 239 canvas->drawColor(SK_ColorBLACK); |
241 canvas->drawPath(path, blurPaint); | 240 canvas->drawPath(path, blurPaint); |
242 } | 241 } |
243 | 242 |
244 // Readback the blurred draw results from the canvas | 243 // Readback the blurred draw results from the canvas |
245 static void readback(SkCanvas* canvas, int* result, int resultCount) { | 244 static void readback(SkCanvas* canvas, int* result, int resultCount) { |
246 SkBitmap readback; | 245 SkBitmap readback; |
247 readback.setConfig(SkBitmap::kARGB_8888_Config, resultCount, 30); | 246 readback.allocN32Pixels(resultCount, 30); |
248 readback.allocPixels(); | |
249 | 247 |
250 SkIRect readBackRect = { 0, 0, resultCount, 30 }; | 248 SkIRect readBackRect = { 0, 0, resultCount, 30 }; |
251 | 249 |
252 canvas->readPixels(readBackRect, &readback); | 250 canvas->readPixels(readBackRect, &readback); |
253 | 251 |
254 readback.lockPixels(); | 252 readback.lockPixels(); |
255 SkPMColor* pixels = (SkPMColor*) readback.getAddr32(0, 15); | 253 SkPMColor* pixels = (SkPMColor*) readback.getAddr32(0, 15); |
256 | 254 |
257 for (int i = 0; i < resultCount; ++i) { | 255 for (int i = 0; i < resultCount; ++i) { |
258 result[i] = SkColorGetR(pixels[i]); | 256 result[i] = SkColorGetR(pixels[i]); |
259 } | 257 } |
260 } | 258 } |
261 | 259 |
262 // Draw a blurred version of the provided path. | 260 // Draw a blurred version of the provided path. |
263 // Return the right half of the middle row in 'result'. | 261 // Return the right half of the middle row in 'result'. |
264 static void cpu_blur_path(const SkPath& path, SkScalar gaussianSigma, | 262 static void cpu_blur_path(const SkPath& path, SkScalar gaussianSigma, |
265 int* result, int resultCount) { | 263 int* result, int resultCount) { |
266 | 264 |
267 SkBitmap bitmap; | 265 SkBitmap bitmap; |
268 bitmap.setConfig(SkBitmap::kARGB_8888_Config, resultCount, 30); | 266 bitmap.allocN32Pixels(resultCount, 30); |
269 bitmap.allocPixels(); | |
270 SkCanvas canvas(bitmap); | 267 SkCanvas canvas(bitmap); |
271 | 268 |
272 blur_path(&canvas, path, gaussianSigma); | 269 blur_path(&canvas, path, gaussianSigma); |
273 readback(&canvas, result, resultCount); | 270 readback(&canvas, result, resultCount); |
274 } | 271 } |
275 | 272 |
276 #if SK_SUPPORT_GPU | 273 #if SK_SUPPORT_GPU |
277 static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path, | 274 static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path, |
278 SkScalar gaussianSigma, | 275 SkScalar gaussianSigma, |
279 int* result, int resultCount) { | 276 int* result, int resultCount) { |
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381 write_as_csv("GroundTruth2D", sigma, groundTruthResult, kSize); | 378 write_as_csv("GroundTruth2D", sigma, groundTruthResult, kSize); |
382 write_as_csv("BruteForce1D", sigma, bruteForce1DResult, kSize); | 379 write_as_csv("BruteForce1D", sigma, bruteForce1DResult, kSize); |
383 #endif | 380 #endif |
384 } | 381 } |
385 } | 382 } |
386 | 383 |
387 DEF_GPUTEST(Blur, reporter, factory) { | 384 DEF_GPUTEST(Blur, reporter, factory) { |
388 test_blur_drawing(reporter); | 385 test_blur_drawing(reporter); |
389 test_sigma_range(reporter, factory); | 386 test_sigma_range(reporter, factory); |
390 } | 387 } |
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