senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 The Android Open Source Project |
| 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 | |
| 8 | #include "SkMorphologyImageFilter.h" |
djsollen@google.com | 64a0ec3 | 2012-06-12 15:17:27 +0000 | [diff] [blame] | 9 | #include "SkBitmap.h" |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 10 | #include "SkColorPriv.h" |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 11 | #include "SkFlattenableBuffers.h" |
| 12 | #include "SkRect.h" |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 13 | #include "SkMorphology_opts.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 14 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 15 | #include "GrContext.h" |
| 16 | #include "GrTexture.h" |
bsalomon@google.com | 2eaaefd | 2012-10-29 19:51:22 +0000 | [diff] [blame] | 17 | #include "GrTBackendEffectFactory.h" |
bsalomon@google.com | d698f77 | 2012-10-25 13:22:00 +0000 | [diff] [blame] | 18 | #include "gl/GrGLEffect.h" |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 19 | #include "effects/Gr1DKernelEffect.h" |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 20 | #include "SkImageFilterUtils.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 21 | #endif |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 22 | |
| 23 | SkMorphologyImageFilter::SkMorphologyImageFilter(SkFlattenableReadBuffer& buffer) |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 24 | : INHERITED(1, buffer) { |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 25 | fRadius.fWidth = buffer.readInt(); |
| 26 | fRadius.fHeight = buffer.readInt(); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 27 | buffer.validate((fRadius.fWidth >= 0) && |
| 28 | (fRadius.fHeight >= 0)); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 29 | } |
| 30 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 31 | SkMorphologyImageFilter::SkMorphologyImageFilter(int radiusX, |
| 32 | int radiusY, |
| 33 | SkImageFilter* input, |
| 34 | const CropRect* cropRect) |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 35 | : INHERITED(input, cropRect), fRadius(SkISize::Make(radiusX, radiusY)) { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | |
djsollen@google.com | 5492424 | 2012-03-29 15:18:04 +0000 | [diff] [blame] | 39 | void SkMorphologyImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 40 | this->INHERITED::flatten(buffer); |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 41 | buffer.writeInt(fRadius.fWidth); |
| 42 | buffer.writeInt(fRadius.fHeight); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 43 | } |
| 44 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 45 | enum MorphDirection { |
| 46 | kX, kY |
| 47 | }; |
| 48 | |
| 49 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 50 | static void erode(const SkPMColor* src, SkPMColor* dst, |
| 51 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 52 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 53 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 54 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 55 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 56 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 57 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 58 | radius = SkMin32(radius, width - 1); |
| 59 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 60 | for (int x = 0; x < width; ++x) { |
| 61 | const SkPMColor* lp = src; |
| 62 | const SkPMColor* up = upperSrc; |
| 63 | SkPMColor* dptr = dst; |
| 64 | for (int y = 0; y < height; ++y) { |
| 65 | int minB = 255, minG = 255, minR = 255, minA = 255; |
| 66 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 67 | int b = SkGetPackedB32(*p); |
| 68 | int g = SkGetPackedG32(*p); |
| 69 | int r = SkGetPackedR32(*p); |
| 70 | int a = SkGetPackedA32(*p); |
| 71 | if (b < minB) minB = b; |
| 72 | if (g < minG) minG = g; |
| 73 | if (r < minR) minR = r; |
| 74 | if (a < minA) minA = a; |
| 75 | } |
| 76 | *dptr = SkPackARGB32(minA, minR, minG, minB); |
| 77 | dptr += dstStrideY; |
| 78 | lp += srcStrideY; |
| 79 | up += srcStrideY; |
| 80 | } |
| 81 | if (x >= radius) src += srcStrideX; |
| 82 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 83 | dst += dstStrideX; |
| 84 | } |
| 85 | } |
| 86 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 87 | static void erodeX(const SkBitmap& src, SkBitmap* dst, int radiusX, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 88 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 89 | SkMorphologyProc erodeXProc = SkMorphologyGetPlatformProc(kErodeX_SkMorphologyProcType); |
| 90 | if (!erodeXProc) { |
| 91 | erodeXProc = erode<kX>; |
| 92 | } |
| 93 | erodeXProc(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 94 | radiusX, bounds.width(), bounds.height(), |
| 95 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 96 | } |
| 97 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 98 | static void erodeY(const SkBitmap& src, SkBitmap* dst, int radiusY, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 99 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 100 | SkMorphologyProc erodeYProc = SkMorphologyGetPlatformProc(kErodeY_SkMorphologyProcType); |
| 101 | if (!erodeYProc) { |
| 102 | erodeYProc = erode<kY>; |
| 103 | } |
| 104 | erodeYProc(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 105 | radiusY, bounds.height(), bounds.width(), |
| 106 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 107 | } |
| 108 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 109 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 110 | static void dilate(const SkPMColor* src, SkPMColor* dst, |
| 111 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 112 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 113 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 114 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 115 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 116 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 117 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 118 | radius = SkMin32(radius, width - 1); |
| 119 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 120 | for (int x = 0; x < width; ++x) { |
| 121 | const SkPMColor* lp = src; |
| 122 | const SkPMColor* up = upperSrc; |
| 123 | SkPMColor* dptr = dst; |
| 124 | for (int y = 0; y < height; ++y) { |
| 125 | int maxB = 0, maxG = 0, maxR = 0, maxA = 0; |
| 126 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 127 | int b = SkGetPackedB32(*p); |
| 128 | int g = SkGetPackedG32(*p); |
| 129 | int r = SkGetPackedR32(*p); |
| 130 | int a = SkGetPackedA32(*p); |
| 131 | if (b > maxB) maxB = b; |
| 132 | if (g > maxG) maxG = g; |
| 133 | if (r > maxR) maxR = r; |
| 134 | if (a > maxA) maxA = a; |
| 135 | } |
| 136 | *dptr = SkPackARGB32(maxA, maxR, maxG, maxB); |
| 137 | dptr += dstStrideY; |
| 138 | lp += srcStrideY; |
| 139 | up += srcStrideY; |
| 140 | } |
| 141 | if (x >= radius) src += srcStrideX; |
| 142 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 143 | dst += dstStrideX; |
| 144 | } |
| 145 | } |
| 146 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 147 | static void dilateX(const SkBitmap& src, SkBitmap* dst, int radiusX, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 148 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 149 | SkMorphologyProc dilateXProc = SkMorphologyGetPlatformProc(kDilateX_SkMorphologyProcType); |
| 150 | if (!dilateXProc) { |
| 151 | dilateXProc = dilate<kX>; |
| 152 | } |
| 153 | dilateXProc(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 154 | radiusX, bounds.width(), bounds.height(), |
| 155 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 156 | } |
| 157 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 158 | static void dilateY(const SkBitmap& src, SkBitmap* dst, int radiusY, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 159 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 160 | SkMorphologyProc dilateYProc = SkMorphologyGetPlatformProc(kDilateY_SkMorphologyProcType); |
| 161 | if (!dilateYProc) { |
| 162 | dilateYProc = dilate<kY>; |
| 163 | } |
| 164 | dilateYProc(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 165 | radiusY, bounds.height(), bounds.width(), |
| 166 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 167 | } |
| 168 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 169 | bool SkErodeImageFilter::onFilterImage(Proxy* proxy, |
| 170 | const SkBitmap& source, const SkMatrix& ctm, |
| 171 | SkBitmap* dst, SkIPoint* offset) { |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 172 | SkBitmap src = source; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 173 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
| 174 | if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctm, &src, &srcOffset)) { |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 175 | return false; |
| 176 | } |
| 177 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 178 | if (src.config() != SkBitmap::kARGB_8888_Config) { |
| 179 | return false; |
| 180 | } |
| 181 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 182 | SkIRect bounds; |
| 183 | src.getBounds(&bounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 184 | bounds.offset(srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 185 | if (!this->applyCropRect(&bounds, ctm)) { |
| 186 | return false; |
| 187 | } |
| 188 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 189 | SkAutoLockPixels alp(src); |
| 190 | if (!src.getPixels()) { |
| 191 | return false; |
| 192 | } |
| 193 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 194 | dst->setConfig(src.config(), bounds.width(), bounds.height()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 195 | dst->allocPixels(); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 196 | if (!dst->getPixels()) { |
| 197 | return false; |
| 198 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 199 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 200 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 201 | SkIntToScalar(this->radius().height())); |
| 202 | ctm.mapVectors(&radius, 1); |
| 203 | int width = SkScalarFloorToInt(radius.fX); |
| 204 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 205 | |
| 206 | if (width < 0 || height < 0) { |
| 207 | return false; |
| 208 | } |
| 209 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 210 | SkIRect srcBounds = bounds; |
| 211 | srcBounds.offset(-srcOffset); |
| 212 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 213 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 214 | src.extractSubset(dst, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 215 | offset->fX = bounds.left(); |
| 216 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 217 | return true; |
| 218 | } |
| 219 | |
| 220 | SkBitmap temp; |
| 221 | temp.setConfig(dst->config(), dst->width(), dst->height()); |
| 222 | if (!temp.allocPixels()) { |
| 223 | return false; |
| 224 | } |
| 225 | |
| 226 | if (width > 0 && height > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 227 | erodeX(src, &temp, width, srcBounds); |
| 228 | SkIRect tmpBounds = SkIRect::MakeWH(srcBounds.width(), srcBounds.height()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 229 | erodeY(temp, dst, height, tmpBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 230 | } else if (width > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 231 | erodeX(src, dst, width, srcBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 232 | } else if (height > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 233 | erodeY(src, dst, height, srcBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 234 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 235 | offset->fX = bounds.left(); |
| 236 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 237 | return true; |
| 238 | } |
| 239 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 240 | bool SkDilateImageFilter::onFilterImage(Proxy* proxy, |
| 241 | const SkBitmap& source, const SkMatrix& ctm, |
| 242 | SkBitmap* dst, SkIPoint* offset) { |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 243 | SkBitmap src = source; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 244 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
| 245 | if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctm, &src, &srcOffset)) { |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 246 | return false; |
| 247 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 248 | if (src.config() != SkBitmap::kARGB_8888_Config) { |
| 249 | return false; |
| 250 | } |
| 251 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 252 | SkIRect bounds; |
| 253 | src.getBounds(&bounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 254 | bounds.offset(srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 255 | if (!this->applyCropRect(&bounds, ctm)) { |
| 256 | return false; |
| 257 | } |
| 258 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 259 | SkAutoLockPixels alp(src); |
| 260 | if (!src.getPixels()) { |
| 261 | return false; |
| 262 | } |
| 263 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 264 | dst->setConfig(src.config(), bounds.width(), bounds.height()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 265 | dst->allocPixels(); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 266 | if (!dst->getPixels()) { |
| 267 | return false; |
| 268 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 269 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 270 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 271 | SkIntToScalar(this->radius().height())); |
| 272 | ctm.mapVectors(&radius, 1); |
| 273 | int width = SkScalarFloorToInt(radius.fX); |
| 274 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 275 | |
| 276 | if (width < 0 || height < 0) { |
| 277 | return false; |
| 278 | } |
| 279 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 280 | SkIRect srcBounds = bounds; |
| 281 | srcBounds.offset(-srcOffset); |
| 282 | |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 283 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 284 | src.extractSubset(dst, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 285 | offset->fX = bounds.left(); |
| 286 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 287 | return true; |
| 288 | } |
| 289 | |
| 290 | SkBitmap temp; |
| 291 | temp.setConfig(dst->config(), dst->width(), dst->height()); |
| 292 | if (!temp.allocPixels()) { |
| 293 | return false; |
| 294 | } |
| 295 | |
| 296 | if (width > 0 && height > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 297 | dilateX(src, &temp, width, srcBounds); |
| 298 | SkIRect tmpBounds = SkIRect::MakeWH(srcBounds.width(), srcBounds.height()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 299 | dilateY(temp, dst, height, tmpBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 300 | } else if (width > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 301 | dilateX(src, dst, width, srcBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 302 | } else if (height > 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 303 | dilateY(src, dst, height, srcBounds); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 304 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 305 | offset->fX = bounds.left(); |
| 306 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 307 | return true; |
| 308 | } |
| 309 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 310 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 311 | |
| 312 | /////////////////////////////////////////////////////////////////////////////// |
| 313 | |
| 314 | class GrGLMorphologyEffect; |
| 315 | |
| 316 | /** |
| 317 | * Morphology effects. Depending upon the type of morphology, either the |
| 318 | * component-wise min (Erode_Type) or max (Dilate_Type) of all pixels in the |
| 319 | * kernel is selected as the new color. The new color is modulated by the input |
| 320 | * color. |
| 321 | */ |
| 322 | class GrMorphologyEffect : public Gr1DKernelEffect { |
| 323 | |
| 324 | public: |
| 325 | |
| 326 | enum MorphologyType { |
| 327 | kErode_MorphologyType, |
| 328 | kDilate_MorphologyType, |
| 329 | }; |
| 330 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 331 | static GrEffectRef* Create(GrTexture* tex, Direction dir, int radius, MorphologyType type) { |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 332 | AutoEffectUnref effect(SkNEW_ARGS(GrMorphologyEffect, (tex, dir, radius, type))); |
bsalomon@google.com | a1ebbe4 | 2013-01-16 15:51:47 +0000 | [diff] [blame] | 333 | return CreateEffectRef(effect); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 334 | } |
| 335 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 336 | virtual ~GrMorphologyEffect(); |
| 337 | |
| 338 | MorphologyType type() const { return fType; } |
| 339 | |
| 340 | static const char* Name() { return "Morphology"; } |
| 341 | |
bsalomon@google.com | 422e81a | 2012-10-25 14:11:03 +0000 | [diff] [blame] | 342 | typedef GrGLMorphologyEffect GLEffect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 343 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 344 | virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 345 | virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 346 | |
| 347 | protected: |
| 348 | |
| 349 | MorphologyType fType; |
| 350 | |
| 351 | private: |
bsalomon@google.com | 8a252f7 | 2013-01-22 20:35:13 +0000 | [diff] [blame] | 352 | virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 353 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 354 | GrMorphologyEffect(GrTexture*, Direction, int radius, MorphologyType); |
| 355 | |
bsalomon@google.com | f271cc7 | 2012-10-24 19:35:13 +0000 | [diff] [blame] | 356 | GR_DECLARE_EFFECT_TEST; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 357 | |
| 358 | typedef Gr1DKernelEffect INHERITED; |
| 359 | }; |
| 360 | |
| 361 | /////////////////////////////////////////////////////////////////////////////// |
| 362 | |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 363 | class GrGLMorphologyEffect : public GrGLEffect { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 364 | public: |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 365 | GrGLMorphologyEffect (const GrBackendEffectFactory&, const GrDrawEffect&); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 366 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 367 | virtual void emitCode(GrGLShaderBuilder*, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 368 | const GrDrawEffect&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 369 | EffectKey, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 370 | const char* outputColor, |
| 371 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 372 | const TransformedCoordsArray&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 373 | const TextureSamplerArray&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 374 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 375 | static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 376 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 377 | virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 378 | |
| 379 | private: |
| 380 | int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } |
| 381 | |
| 382 | int fRadius; |
| 383 | GrMorphologyEffect::MorphologyType fType; |
| 384 | GrGLUniformManager::UniformHandle fImageIncrementUni; |
| 385 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 386 | typedef GrGLEffect INHERITED; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 387 | }; |
| 388 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 389 | GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendEffectFactory& factory, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 390 | const GrDrawEffect& drawEffect) |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 391 | : INHERITED(factory) { |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 392 | const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 393 | fRadius = m.radius(); |
| 394 | fType = m.type(); |
| 395 | } |
| 396 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 397 | void GrGLMorphologyEffect::emitCode(GrGLShaderBuilder* builder, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 398 | const GrDrawEffect&, |
bsalomon@google.com | b4a55b7 | 2012-11-02 20:45:37 +0000 | [diff] [blame] | 399 | EffectKey key, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 400 | const char* outputColor, |
| 401 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 402 | const TransformedCoordsArray& coords, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 403 | const TextureSamplerArray& samplers) { |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 404 | SkString coords2D = builder->ensureFSCoords2D(coords, 0); |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 405 | fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 406 | kVec2f_GrSLType, "ImageIncrement"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 407 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 408 | const char* func; |
| 409 | switch (fType) { |
| 410 | case GrMorphologyEffect::kErode_MorphologyType: |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 411 | builder->fsCodeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 412 | func = "min"; |
| 413 | break; |
| 414 | case GrMorphologyEffect::kDilate_MorphologyType: |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 415 | builder->fsCodeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 416 | func = "max"; |
| 417 | break; |
| 418 | default: |
| 419 | GrCrash("Unexpected type"); |
| 420 | func = ""; // suppress warning |
| 421 | break; |
| 422 | } |
| 423 | const char* imgInc = builder->getUniformCStr(fImageIncrementUni); |
| 424 | |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 425 | builder->fsCodeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str(), fRadius, imgInc); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 426 | builder->fsCodeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", this->width()); |
| 427 | builder->fsCodeAppendf("\t\t\t%s = %s(%s, ", outputColor, func, outputColor); |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 428 | builder->fsAppendTextureLookup(samplers[0], "coord"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 429 | builder->fsCodeAppend(");\n"); |
| 430 | builder->fsCodeAppendf("\t\t\tcoord += %s;\n", imgInc); |
| 431 | builder->fsCodeAppend("\t\t}\n"); |
| 432 | SkString modulate; |
| 433 | GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); |
| 434 | builder->fsCodeAppend(modulate.c_str()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 435 | } |
| 436 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 437 | GrGLEffect::EffectKey GrGLMorphologyEffect::GenKey(const GrDrawEffect& drawEffect, |
| 438 | const GrGLCaps&) { |
| 439 | const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>(); |
bsalomon@google.com | 46fba0d | 2012-10-25 21:42:05 +0000 | [diff] [blame] | 440 | EffectKey key = static_cast<EffectKey>(m.radius()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 441 | key |= (m.type() << 8); |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 442 | return key; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 443 | } |
| 444 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 445 | void GrGLMorphologyEffect::setData(const GrGLUniformManager& uman, |
| 446 | const GrDrawEffect& drawEffect) { |
| 447 | const Gr1DKernelEffect& kern = drawEffect.castEffect<Gr1DKernelEffect>(); |
bsalomon@google.com | 2d0bade | 2012-10-26 19:01:17 +0000 | [diff] [blame] | 448 | GrTexture& texture = *kern.texture(0); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 449 | // the code we generated was for a specific kernel radius |
commit-bot@chromium.org | 96ae688 | 2013-08-14 12:09:00 +0000 | [diff] [blame] | 450 | SkASSERT(kern.radius() == fRadius); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 451 | float imageIncrement[2] = { 0 }; |
| 452 | switch (kern.direction()) { |
| 453 | case Gr1DKernelEffect::kX_Direction: |
| 454 | imageIncrement[0] = 1.0f / texture.width(); |
| 455 | break; |
| 456 | case Gr1DKernelEffect::kY_Direction: |
| 457 | imageIncrement[1] = 1.0f / texture.height(); |
| 458 | break; |
| 459 | default: |
| 460 | GrCrash("Unknown filter direction."); |
| 461 | } |
commit-bot@chromium.org | d3baf20 | 2013-11-07 22:06:08 +0000 | [diff] [blame] | 462 | uman.set2fv(fImageIncrementUni, 1, imageIncrement); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | /////////////////////////////////////////////////////////////////////////////// |
| 466 | |
| 467 | GrMorphologyEffect::GrMorphologyEffect(GrTexture* texture, |
| 468 | Direction direction, |
| 469 | int radius, |
| 470 | MorphologyType type) |
| 471 | : Gr1DKernelEffect(texture, direction, radius) |
| 472 | , fType(type) { |
| 473 | } |
| 474 | |
| 475 | GrMorphologyEffect::~GrMorphologyEffect() { |
| 476 | } |
| 477 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 478 | const GrBackendEffectFactory& GrMorphologyEffect::getFactory() const { |
| 479 | return GrTBackendEffectFactory<GrMorphologyEffect>::getInstance(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 480 | } |
| 481 | |
bsalomon@google.com | 8a252f7 | 2013-01-22 20:35:13 +0000 | [diff] [blame] | 482 | bool GrMorphologyEffect::onIsEqual(const GrEffect& sBase) const { |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 483 | const GrMorphologyEffect& s = CastEffect<GrMorphologyEffect>(sBase); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 484 | return (this->texture(0) == s.texture(0) && |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 485 | this->radius() == s.radius() && |
| 486 | this->direction() == s.direction() && |
| 487 | this->type() == s.type()); |
| 488 | } |
| 489 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 490 | void GrMorphologyEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const { |
| 491 | // This is valid because the color components of the result of the kernel all come |
| 492 | // exactly from existing values in the source texture. |
| 493 | this->updateConstantColorComponentsForModulation(color, validFlags); |
| 494 | } |
| 495 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 496 | /////////////////////////////////////////////////////////////////////////////// |
| 497 | |
bsalomon@google.com | f271cc7 | 2012-10-24 19:35:13 +0000 | [diff] [blame] | 498 | GR_DEFINE_EFFECT_TEST(GrMorphologyEffect); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 499 | |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 500 | GrEffectRef* GrMorphologyEffect::TestCreate(SkRandom* random, |
sugoi@google.com | e0e385c | 2013-03-11 18:50:03 +0000 | [diff] [blame] | 501 | GrContext*, |
bsalomon@google.com | c26d94f | 2013-03-25 18:19:00 +0000 | [diff] [blame] | 502 | const GrDrawTargetCaps&, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 503 | GrTexture* textures[]) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame] | 504 | int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : |
| 505 | GrEffectUnitTest::kAlphaTextureIdx; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 506 | Direction dir = random->nextBool() ? kX_Direction : kY_Direction; |
| 507 | static const int kMaxRadius = 10; |
| 508 | int radius = random->nextRangeU(1, kMaxRadius); |
| 509 | MorphologyType type = random->nextBool() ? GrMorphologyEffect::kErode_MorphologyType : |
| 510 | GrMorphologyEffect::kDilate_MorphologyType; |
| 511 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 512 | return GrMorphologyEffect::Create(textures[texIdx], dir, radius, type); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | namespace { |
| 516 | |
| 517 | void apply_morphology_pass(GrContext* context, |
| 518 | GrTexture* texture, |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 519 | const SkIRect& srcRect, |
| 520 | const SkIRect& dstRect, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 521 | int radius, |
| 522 | GrMorphologyEffect::MorphologyType morphType, |
| 523 | Gr1DKernelEffect::Direction direction) { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 524 | GrPaint paint; |
commit-bot@chromium.org | 42dacab | 2013-07-13 17:24:24 +0000 | [diff] [blame] | 525 | paint.addColorEffect(GrMorphologyEffect::Create(texture, |
| 526 | direction, |
| 527 | radius, |
| 528 | morphType))->unref(); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 529 | context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect)); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 530 | } |
| 531 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 532 | bool apply_morphology(const SkBitmap& input, |
| 533 | const SkIRect& rect, |
| 534 | GrMorphologyEffect::MorphologyType morphType, |
| 535 | SkISize radius, |
| 536 | SkBitmap* dst) { |
| 537 | GrTexture* srcTexture = input.getTexture(); |
| 538 | SkASSERT(NULL != srcTexture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 539 | GrContext* context = srcTexture->getContext(); |
| 540 | srcTexture->ref(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 541 | SkAutoTUnref<GrTexture> src(srcTexture); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 542 | |
| 543 | GrContext::AutoMatrix am; |
| 544 | am.setIdentity(context); |
| 545 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 546 | GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->width()), |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 547 | SkIntToScalar(srcTexture->height()))); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 548 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 549 | SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 550 | GrTextureDesc desc; |
| 551 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 552 | desc.fWidth = rect.width(); |
| 553 | desc.fHeight = rect.height(); |
| 554 | desc.fConfig = kSkia8888_GrPixelConfig; |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 555 | SkIRect srcRect = rect; |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 556 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 557 | if (radius.fWidth > 0) { |
| 558 | GrAutoScratchTexture ast(context, desc); |
| 559 | GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 560 | apply_morphology_pass(context, src, srcRect, dstRect, radius.fWidth, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 561 | morphType, Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 562 | SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
| 563 | dstRect.width(), radius.fHeight); |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 564 | context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType == morphType ? |
| 565 | SK_ColorWHITE : |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 566 | SK_ColorTRANSPARENT, false); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 567 | src.reset(ast.detach()); |
| 568 | srcRect = dstRect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 569 | } |
| 570 | if (radius.fHeight > 0) { |
| 571 | GrAutoScratchTexture ast(context, desc); |
| 572 | GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 573 | apply_morphology_pass(context, src, srcRect, dstRect, radius.fHeight, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 574 | morphType, Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 575 | src.reset(ast.detach()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 576 | } |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 577 | return SkImageFilterUtils::WrapTexture(src, rect.width(), rect.height(), dst); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | }; |
| 581 | |
commit-bot@chromium.org | 1aa54bf | 2013-08-05 16:53:50 +0000 | [diff] [blame] | 582 | bool SkDilateImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, |
| 583 | SkBitmap* result, SkIPoint* offset) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 584 | SkBitmap input; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 585 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
| 586 | if (!SkImageFilterUtils::GetInputResultGPU(getInput(0), proxy, src, ctm, &input, &srcOffset)) { |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 587 | return false; |
| 588 | } |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 589 | SkIRect bounds; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 590 | input.getBounds(&bounds); |
| 591 | bounds.offset(srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 592 | if (!this->applyCropRect(&bounds, ctm)) { |
| 593 | return false; |
| 594 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 595 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 596 | SkIntToScalar(this->radius().height())); |
| 597 | ctm.mapVectors(&radius, 1); |
| 598 | int width = SkScalarFloorToInt(radius.fX); |
| 599 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 600 | |
| 601 | if (width < 0 || height < 0) { |
| 602 | return false; |
| 603 | } |
| 604 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 605 | SkIRect srcBounds = bounds; |
| 606 | srcBounds.offset(-srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 607 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 608 | input.extractSubset(result, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 609 | offset->fX = bounds.left(); |
| 610 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 611 | return true; |
| 612 | } |
| 613 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 614 | if (!apply_morphology(input, srcBounds, GrMorphologyEffect::kDilate_MorphologyType, |
| 615 | SkISize::Make(width, height), result)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 616 | return false; |
| 617 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 618 | offset->fX = bounds.left(); |
| 619 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 620 | return true; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 621 | } |
| 622 | |
commit-bot@chromium.org | 1aa54bf | 2013-08-05 16:53:50 +0000 | [diff] [blame] | 623 | bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, |
| 624 | SkBitmap* result, SkIPoint* offset) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 625 | SkBitmap input; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 626 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
| 627 | if (!SkImageFilterUtils::GetInputResultGPU(getInput(0), proxy, src, ctm, &input, &srcOffset)) { |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 628 | return false; |
| 629 | } |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 630 | SkIRect bounds; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 631 | input.getBounds(&bounds); |
| 632 | bounds.offset(srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 633 | if (!this->applyCropRect(&bounds, ctm)) { |
| 634 | return false; |
| 635 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 636 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 637 | SkIntToScalar(this->radius().height())); |
| 638 | ctm.mapVectors(&radius, 1); |
| 639 | int width = SkScalarFloorToInt(radius.fX); |
| 640 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 641 | |
| 642 | if (width < 0 || height < 0) { |
| 643 | return false; |
| 644 | } |
| 645 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 646 | SkIRect srcBounds = bounds; |
| 647 | srcBounds.offset(-srcOffset); |
| 648 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 649 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 650 | input.extractSubset(result, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 651 | offset->fX = bounds.left(); |
| 652 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 653 | return true; |
| 654 | } |
| 655 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame^] | 656 | if (!apply_morphology(input, srcBounds, GrMorphologyEffect::kErode_MorphologyType, |
| 657 | SkISize::Make(width, height), result)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 658 | return false; |
| 659 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 660 | offset->fX = bounds.left(); |
| 661 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 662 | return true; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 663 | } |
| 664 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 665 | #endif |