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" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 11 | #include "SkReadBuffer.h" |
| 12 | #include "SkWriteBuffer.h" |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 13 | #include "SkRect.h" |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 14 | #include "SkMorphology_opts.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 15 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 16 | #include "GrContext.h" |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 17 | #include "GrInvariantOutput.h" |
senorblanco@chromium.org | 302cffb | 2012-08-01 20:16:34 +0000 | [diff] [blame] | 18 | #include "GrTexture.h" |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 19 | #include "effects/Gr1DKernelEffect.h" |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 20 | #include "gl/GrGLProcessor.h" |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 21 | #include "gl/builders/GrGLProgramBuilder.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 22 | #endif |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 23 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 24 | SkMorphologyImageFilter::SkMorphologyImageFilter(int radiusX, |
| 25 | int radiusY, |
| 26 | SkImageFilter* input, |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame^] | 27 | const CropRect* cropRect) |
| 28 | : INHERITED(1, &input, cropRect), fRadius(SkISize::Make(radiusX, radiusY)) { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 29 | } |
| 30 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 31 | void SkMorphologyImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 32 | this->INHERITED::flatten(buffer); |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 33 | buffer.writeInt(fRadius.fWidth); |
| 34 | buffer.writeInt(fRadius.fHeight); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 35 | } |
| 36 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 37 | enum MorphDirection { |
| 38 | kX, kY |
| 39 | }; |
| 40 | |
| 41 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 42 | static void erode(const SkPMColor* src, SkPMColor* dst, |
| 43 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 44 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 45 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 46 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 47 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 48 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 49 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 50 | radius = SkMin32(radius, width - 1); |
| 51 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 52 | for (int x = 0; x < width; ++x) { |
| 53 | const SkPMColor* lp = src; |
| 54 | const SkPMColor* up = upperSrc; |
| 55 | SkPMColor* dptr = dst; |
| 56 | for (int y = 0; y < height; ++y) { |
| 57 | int minB = 255, minG = 255, minR = 255, minA = 255; |
| 58 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 59 | int b = SkGetPackedB32(*p); |
| 60 | int g = SkGetPackedG32(*p); |
| 61 | int r = SkGetPackedR32(*p); |
| 62 | int a = SkGetPackedA32(*p); |
| 63 | if (b < minB) minB = b; |
| 64 | if (g < minG) minG = g; |
| 65 | if (r < minR) minR = r; |
| 66 | if (a < minA) minA = a; |
| 67 | } |
| 68 | *dptr = SkPackARGB32(minA, minR, minG, minB); |
| 69 | dptr += dstStrideY; |
| 70 | lp += srcStrideY; |
| 71 | up += srcStrideY; |
| 72 | } |
| 73 | if (x >= radius) src += srcStrideX; |
| 74 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 75 | dst += dstStrideX; |
| 76 | } |
| 77 | } |
| 78 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 79 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 80 | static void dilate(const SkPMColor* src, SkPMColor* dst, |
| 81 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 82 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 83 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 84 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 85 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 86 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 87 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 88 | radius = SkMin32(radius, width - 1); |
| 89 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 90 | for (int x = 0; x < width; ++x) { |
| 91 | const SkPMColor* lp = src; |
| 92 | const SkPMColor* up = upperSrc; |
| 93 | SkPMColor* dptr = dst; |
| 94 | for (int y = 0; y < height; ++y) { |
| 95 | int maxB = 0, maxG = 0, maxR = 0, maxA = 0; |
| 96 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 97 | int b = SkGetPackedB32(*p); |
| 98 | int g = SkGetPackedG32(*p); |
| 99 | int r = SkGetPackedR32(*p); |
| 100 | int a = SkGetPackedA32(*p); |
| 101 | if (b > maxB) maxB = b; |
| 102 | if (g > maxG) maxG = g; |
| 103 | if (r > maxR) maxR = r; |
| 104 | if (a > maxA) maxA = a; |
| 105 | } |
| 106 | *dptr = SkPackARGB32(maxA, maxR, maxG, maxB); |
| 107 | dptr += dstStrideY; |
| 108 | lp += srcStrideY; |
| 109 | up += srcStrideY; |
| 110 | } |
| 111 | if (x >= radius) src += srcStrideX; |
| 112 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 113 | dst += dstStrideX; |
| 114 | } |
| 115 | } |
| 116 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 117 | static void callProcX(SkMorphologyImageFilter::Proc procX, const SkBitmap& src, SkBitmap* dst, int radiusX, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 118 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 119 | procX(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 120 | radiusX, bounds.width(), bounds.height(), |
| 121 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 122 | } |
| 123 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 124 | static void callProcY(SkMorphologyImageFilter::Proc procY, const SkBitmap& src, SkBitmap* dst, int radiusY, const SkIRect& bounds) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 125 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 126 | procY(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 127 | radiusY, bounds.height(), bounds.width(), |
| 128 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
| 129 | } |
| 130 | |
| 131 | bool SkMorphologyImageFilter::filterImageGeneric(SkMorphologyImageFilter::Proc procX, |
| 132 | SkMorphologyImageFilter::Proc procY, |
| 133 | Proxy* proxy, |
| 134 | const SkBitmap& source, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 135 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 136 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 137 | SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 138 | SkBitmap src = source; |
| 139 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 140 | if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 141 | return false; |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 142 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 143 | |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 144 | if (src.colorType() != kN32_SkColorType) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 145 | return false; |
| 146 | } |
| 147 | |
| 148 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 149 | if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 150 | return false; |
| 151 | } |
| 152 | |
| 153 | SkAutoLockPixels alp(src); |
| 154 | if (!src.getPixels()) { |
| 155 | return false; |
| 156 | } |
| 157 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 158 | if (!dst->tryAllocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 159 | return false; |
| 160 | } |
| 161 | |
| 162 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 163 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 164 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 165 | int width = SkScalarFloorToInt(radius.fX); |
| 166 | int height = SkScalarFloorToInt(radius.fY); |
| 167 | |
| 168 | if (width < 0 || height < 0) { |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | SkIRect srcBounds = bounds; |
| 173 | srcBounds.offset(-srcOffset); |
| 174 | |
| 175 | if (width == 0 && height == 0) { |
| 176 | src.extractSubset(dst, srcBounds); |
| 177 | offset->fX = bounds.left(); |
| 178 | offset->fY = bounds.top(); |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | SkBitmap temp; |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 183 | if (!temp.tryAllocPixels(dst->info())) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 184 | return false; |
| 185 | } |
| 186 | |
| 187 | if (width > 0 && height > 0) { |
| 188 | callProcX(procX, src, &temp, width, srcBounds); |
| 189 | SkIRect tmpBounds = SkIRect::MakeWH(srcBounds.width(), srcBounds.height()); |
| 190 | callProcY(procY, temp, dst, height, tmpBounds); |
| 191 | } else if (width > 0) { |
| 192 | callProcX(procX, src, dst, width, srcBounds); |
| 193 | } else if (height > 0) { |
| 194 | callProcY(procY, src, dst, height, srcBounds); |
| 195 | } |
| 196 | offset->fX = bounds.left(); |
| 197 | offset->fY = bounds.top(); |
| 198 | return true; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 199 | } |
| 200 | |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 201 | bool SkErodeImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 202 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 203 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 204 | Proc erodeXProc = SkMorphologyGetPlatformProc(kErodeX_SkMorphologyProcType); |
| 205 | if (!erodeXProc) { |
| 206 | erodeXProc = erode<kX>; |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 207 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 208 | Proc erodeYProc = SkMorphologyGetPlatformProc(kErodeY_SkMorphologyProcType); |
| 209 | if (!erodeYProc) { |
| 210 | erodeYProc = erode<kY>; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 211 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 212 | return this->filterImageGeneric(erodeXProc, erodeYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 213 | } |
| 214 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 215 | bool SkDilateImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 216 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 217 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 218 | Proc dilateXProc = SkMorphologyGetPlatformProc(kDilateX_SkMorphologyProcType); |
| 219 | if (!dilateXProc) { |
| 220 | dilateXProc = dilate<kX>; |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 221 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 222 | Proc dilateYProc = SkMorphologyGetPlatformProc(kDilateY_SkMorphologyProcType); |
| 223 | if (!dilateYProc) { |
| 224 | dilateYProc = dilate<kY>; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 225 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 226 | return this->filterImageGeneric(dilateXProc, dilateYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 227 | } |
| 228 | |
senorblanco@chromium.org | 336d1d7 | 2014-01-27 21:03:17 +0000 | [diff] [blame] | 229 | void SkMorphologyImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const { |
| 230 | if (getInput(0)) { |
| 231 | getInput(0)->computeFastBounds(src, dst); |
| 232 | } else { |
| 233 | *dst = src; |
| 234 | } |
| 235 | dst->outset(SkIntToScalar(fRadius.width()), SkIntToScalar(fRadius.height())); |
| 236 | } |
| 237 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 238 | bool SkMorphologyImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, |
| 239 | SkIRect* dst) const { |
| 240 | SkIRect bounds = src; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 241 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 242 | SkIntToScalar(this->radius().height())); |
| 243 | ctm.mapVectors(&radius, 1); |
| 244 | bounds.outset(SkScalarCeilToInt(radius.x()), SkScalarCeilToInt(radius.y())); |
senorblanco | 1150a6d | 2014-08-25 12:46:58 -0700 | [diff] [blame] | 245 | if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) { |
| 246 | return false; |
| 247 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 248 | *dst = bounds; |
| 249 | return true; |
| 250 | } |
| 251 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 252 | SkFlattenable* SkErodeImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 253 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 254 | const int width = buffer.readInt(); |
| 255 | const int height = buffer.readInt(); |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame^] | 256 | return Create(width, height, common.getInput(0), &common.cropRect()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | SkFlattenable* SkDilateImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 260 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 261 | const int width = buffer.readInt(); |
| 262 | const int height = buffer.readInt(); |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame^] | 263 | return Create(width, height, common.getInput(0), &common.cropRect()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 264 | } |
| 265 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 266 | #ifndef SK_IGNORE_TO_STRING |
| 267 | void SkErodeImageFilter::toString(SkString* str) const { |
| 268 | str->appendf("SkErodeImageFilter: ("); |
| 269 | str->appendf("radius: (%d,%d)", this->radius().fWidth, this->radius().fHeight); |
| 270 | str->append(")"); |
| 271 | } |
| 272 | #endif |
| 273 | |
| 274 | #ifndef SK_IGNORE_TO_STRING |
| 275 | void SkDilateImageFilter::toString(SkString* str) const { |
| 276 | str->appendf("SkDilateImageFilter: ("); |
| 277 | str->appendf("radius: (%d,%d)", this->radius().fWidth, this->radius().fHeight); |
| 278 | str->append(")"); |
| 279 | } |
| 280 | #endif |
| 281 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 282 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 283 | |
| 284 | /////////////////////////////////////////////////////////////////////////////// |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 285 | /** |
| 286 | * Morphology effects. Depending upon the type of morphology, either the |
| 287 | * component-wise min (Erode_Type) or max (Dilate_Type) of all pixels in the |
| 288 | * kernel is selected as the new color. The new color is modulated by the input |
| 289 | * color. |
| 290 | */ |
| 291 | class GrMorphologyEffect : public Gr1DKernelEffect { |
| 292 | |
| 293 | public: |
| 294 | |
| 295 | enum MorphologyType { |
| 296 | kErode_MorphologyType, |
| 297 | kDilate_MorphologyType, |
| 298 | }; |
| 299 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 300 | static GrFragmentProcessor* Create(GrTexture* tex, Direction dir, int radius, |
| 301 | MorphologyType type) { |
bsalomon | 55fad7a | 2014-07-08 07:34:20 -0700 | [diff] [blame] | 302 | return SkNEW_ARGS(GrMorphologyEffect, (tex, dir, radius, type)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 303 | } |
| 304 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 305 | static GrFragmentProcessor* Create(GrTexture* tex, Direction dir, int radius, |
| 306 | MorphologyType type, float bounds[2]) { |
| 307 | return SkNEW_ARGS(GrMorphologyEffect, (tex, dir, radius, type, bounds)); |
| 308 | } |
| 309 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 310 | virtual ~GrMorphologyEffect(); |
| 311 | |
| 312 | MorphologyType type() const { return fType; } |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 313 | bool useRange() const { return fUseRange; } |
| 314 | const float* range() const { return fRange; } |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 315 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 316 | const char* name() const SK_OVERRIDE { return "Morphology"; } |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 317 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 318 | void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 319 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 320 | GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 321 | |
| 322 | protected: |
| 323 | |
| 324 | MorphologyType fType; |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 325 | bool fUseRange; |
| 326 | float fRange[2]; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 327 | |
| 328 | private: |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 329 | bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 330 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 331 | void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 332 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 333 | GrMorphologyEffect(GrTexture*, Direction, int radius, MorphologyType); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 334 | GrMorphologyEffect(GrTexture*, Direction, int radius, MorphologyType, float bounds[2]); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 335 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 336 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 337 | |
| 338 | typedef Gr1DKernelEffect INHERITED; |
| 339 | }; |
| 340 | |
| 341 | /////////////////////////////////////////////////////////////////////////////// |
| 342 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 343 | class GrGLMorphologyEffect : public GrGLFragmentProcessor { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 344 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 345 | GrGLMorphologyEffect(const GrProcessor&); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 346 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 347 | virtual void emitCode(GrGLFPBuilder*, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 348 | const GrFragmentProcessor&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 349 | const char* outputColor, |
| 350 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 351 | const TransformedCoordsArray&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 352 | const TextureSamplerArray&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 353 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 354 | static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder* b); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 355 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 356 | void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 357 | |
| 358 | private: |
| 359 | int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } |
| 360 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 361 | int fRadius; |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 362 | Gr1DKernelEffect::Direction fDirection; |
| 363 | bool fUseRange; |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 364 | GrMorphologyEffect::MorphologyType fType; |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 365 | GrGLProgramDataManager::UniformHandle fPixelSizeUni; |
| 366 | GrGLProgramDataManager::UniformHandle fRangeUni; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 367 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 368 | typedef GrGLFragmentProcessor INHERITED; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 369 | }; |
| 370 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 371 | GrGLMorphologyEffect::GrGLMorphologyEffect(const GrProcessor& proc) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 372 | const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 373 | fRadius = m.radius(); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 374 | fDirection = m.direction(); |
| 375 | fUseRange = m.useRange(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 376 | fType = m.type(); |
| 377 | } |
| 378 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 379 | void GrGLMorphologyEffect::emitCode(GrGLFPBuilder* builder, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 380 | const GrFragmentProcessor&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 381 | const char* outputColor, |
| 382 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 383 | const TransformedCoordsArray& coords, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 384 | const TextureSamplerArray& samplers) { |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 385 | fPixelSizeUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
| 386 | kFloat_GrSLType, kDefault_GrSLPrecision, |
| 387 | "PixelSize"); |
| 388 | const char* pixelSizeInc = builder->getUniformCStr(fPixelSizeUni); |
| 389 | fRangeUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
| 390 | kVec2f_GrSLType, kDefault_GrSLPrecision, |
| 391 | "Range"); |
| 392 | const char* range = builder->getUniformCStr(fRangeUni); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 393 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 394 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 395 | SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 396 | const char* func; |
| 397 | switch (fType) { |
| 398 | case GrMorphologyEffect::kErode_MorphologyType: |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 399 | fsBuilder->codeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 400 | func = "min"; |
| 401 | break; |
| 402 | case GrMorphologyEffect::kDilate_MorphologyType: |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 403 | fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 404 | func = "max"; |
| 405 | break; |
| 406 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 407 | SkFAIL("Unexpected type"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 408 | func = ""; // suppress warning |
| 409 | break; |
| 410 | } |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 411 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 412 | const char* dir; |
| 413 | switch (fDirection) { |
| 414 | case Gr1DKernelEffect::kX_Direction: |
| 415 | dir = "x"; |
| 416 | break; |
| 417 | case Gr1DKernelEffect::kY_Direction: |
| 418 | dir = "y"; |
| 419 | break; |
| 420 | default: |
| 421 | SkFAIL("Unknown filter direction."); |
| 422 | dir = ""; // suppress warning |
| 423 | } |
| 424 | |
| 425 | // vec2 coord = coord2D; |
| 426 | fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); |
| 427 | // coord.x -= radius * pixelSize; |
| 428 | fsBuilder->codeAppendf("\t\tcoord.%s -= %d.0 * %s; \n", dir, fRadius, pixelSizeInc); |
| 429 | if (fUseRange) { |
| 430 | // highBound = min(highBound, coord.x + (width-1) * pixelSize); |
| 431 | fsBuilder->codeAppendf("\t\tfloat highBound = min(%s.y, coord.%s + %f * %s);", |
| 432 | range, dir, float(width() - 1), pixelSizeInc); |
| 433 | // coord.x = max(lowBound, coord.x); |
| 434 | fsBuilder->codeAppendf("\t\tcoord.%s = max(%s.x, coord.%s);", dir, range, dir); |
| 435 | } |
| 436 | fsBuilder->codeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", width()); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 437 | fsBuilder->codeAppendf("\t\t\t%s = %s(%s, ", outputColor, func, outputColor); |
| 438 | fsBuilder->appendTextureLookup(samplers[0], "coord"); |
| 439 | fsBuilder->codeAppend(");\n"); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 440 | // coord.x += pixelSize; |
| 441 | fsBuilder->codeAppendf("\t\t\tcoord.%s += %s;\n", dir, pixelSizeInc); |
| 442 | if (fUseRange) { |
| 443 | // coord.x = min(highBound, coord.x); |
| 444 | fsBuilder->codeAppendf("\t\t\tcoord.%s = min(highBound, coord.%s);", dir, dir); |
| 445 | } |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 446 | fsBuilder->codeAppend("\t\t}\n"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 447 | SkString modulate; |
egdaniel | 089f8de | 2014-10-09 10:34:58 -0700 | [diff] [blame] | 448 | GrGLSLMulVarBy4f(&modulate, outputColor, inputColor); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 449 | fsBuilder->codeAppend(modulate.c_str()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 450 | } |
| 451 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 452 | void GrGLMorphologyEffect::GenKey(const GrProcessor& proc, |
| 453 | const GrGLCaps&, GrProcessorKeyBuilder* b) { |
| 454 | const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 455 | uint32_t key = static_cast<uint32_t>(m.radius()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 456 | key |= (m.type() << 8); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 457 | key |= (m.direction() << 9); |
| 458 | if (m.useRange()) key |= 1 << 10; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 459 | b->add32(key); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 460 | } |
| 461 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 462 | void GrGLMorphologyEffect::setData(const GrGLProgramDataManager& pdman, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 463 | const GrProcessor& proc) { |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 464 | const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
| 465 | GrTexture& texture = *m.texture(0); |
| 466 | // the code we generated was for a specific kernel radius, direction and bound usage |
| 467 | SkASSERT(m.radius() == fRadius); |
| 468 | SkASSERT(m.direction() == fDirection); |
| 469 | SkASSERT(m.useRange() == fUseRange); |
| 470 | |
| 471 | float pixelSize = 0.0f; |
| 472 | switch (fDirection) { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 473 | case Gr1DKernelEffect::kX_Direction: |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 474 | pixelSize = 1.0f / texture.width(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 475 | break; |
| 476 | case Gr1DKernelEffect::kY_Direction: |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 477 | pixelSize = 1.0f / texture.height(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 478 | break; |
| 479 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 480 | SkFAIL("Unknown filter direction."); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 481 | } |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 482 | pdman.set1f(fPixelSizeUni, pixelSize); |
| 483 | |
| 484 | if (fUseRange) { |
| 485 | const float* range = m.range(); |
| 486 | if (fDirection && texture.origin() == kBottomLeft_GrSurfaceOrigin) { |
| 487 | pdman.set2f(fRangeUni, 1.0f - range[1], 1.0f - range[0]); |
| 488 | } else { |
| 489 | pdman.set2f(fRangeUni, range[0], range[1]); |
| 490 | } |
| 491 | } |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 492 | } |
| 493 | |
| 494 | /////////////////////////////////////////////////////////////////////////////// |
| 495 | |
| 496 | GrMorphologyEffect::GrMorphologyEffect(GrTexture* texture, |
| 497 | Direction direction, |
| 498 | int radius, |
| 499 | MorphologyType type) |
| 500 | : Gr1DKernelEffect(texture, direction, radius) |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 501 | , fType(type), fUseRange(false) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 502 | this->initClassID<GrMorphologyEffect>(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 503 | } |
| 504 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 505 | GrMorphologyEffect::GrMorphologyEffect(GrTexture* texture, |
| 506 | Direction direction, |
| 507 | int radius, |
| 508 | MorphologyType type, |
| 509 | float range[2]) |
| 510 | : Gr1DKernelEffect(texture, direction, radius) |
| 511 | , fType(type), fUseRange(true) { |
| 512 | this->initClassID<GrMorphologyEffect>(); |
| 513 | fRange[0] = range[0]; |
| 514 | fRange[1] = range[1]; |
| 515 | } |
| 516 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 517 | GrMorphologyEffect::~GrMorphologyEffect() { |
| 518 | } |
| 519 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 520 | void GrMorphologyEffect::getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const { |
| 521 | GrGLMorphologyEffect::GenKey(*this, caps, b); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 522 | } |
| 523 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 524 | GrGLFragmentProcessor* GrMorphologyEffect::createGLInstance() const { |
| 525 | return SkNEW_ARGS(GrGLMorphologyEffect, (*this)); |
| 526 | } |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame] | 527 | bool GrMorphologyEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 528 | const GrMorphologyEffect& s = sBase.cast<GrMorphologyEffect>(); |
bsalomon | 420d7e9 | 2014-10-16 09:18:09 -0700 | [diff] [blame] | 529 | return (this->radius() == s.radius() && |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 530 | this->direction() == s.direction() && |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 531 | this->useRange() == s.useRange() && |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 532 | this->type() == s.type()); |
| 533 | } |
| 534 | |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 535 | void GrMorphologyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 536 | // This is valid because the color components of the result of the kernel all come |
| 537 | // exactly from existing values in the source texture. |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 538 | this->updateInvariantOutputForModulation(inout); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 539 | } |
| 540 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 541 | /////////////////////////////////////////////////////////////////////////////// |
| 542 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 543 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrMorphologyEffect); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 544 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 545 | GrFragmentProcessor* GrMorphologyEffect::TestCreate(SkRandom* random, |
| 546 | GrContext*, |
| 547 | const GrDrawTargetCaps&, |
| 548 | GrTexture* textures[]) { |
| 549 | int texIdx = random->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx : |
| 550 | GrProcessorUnitTest::kAlphaTextureIdx; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 551 | Direction dir = random->nextBool() ? kX_Direction : kY_Direction; |
| 552 | static const int kMaxRadius = 10; |
| 553 | int radius = random->nextRangeU(1, kMaxRadius); |
| 554 | MorphologyType type = random->nextBool() ? GrMorphologyEffect::kErode_MorphologyType : |
| 555 | GrMorphologyEffect::kDilate_MorphologyType; |
| 556 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 557 | return GrMorphologyEffect::Create(textures[texIdx], dir, radius, type); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | namespace { |
| 561 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 562 | |
| 563 | void apply_morphology_rect(GrContext* context, |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 564 | GrRenderTarget* rt, |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 565 | const GrClip& clip, |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 566 | GrTexture* texture, |
| 567 | const SkIRect& srcRect, |
| 568 | const SkIRect& dstRect, |
| 569 | int radius, |
| 570 | GrMorphologyEffect::MorphologyType morphType, |
| 571 | float bounds[2], |
| 572 | Gr1DKernelEffect::Direction direction) { |
| 573 | GrPaint paint; |
| 574 | paint.addColorProcessor(GrMorphologyEffect::Create(texture, |
| 575 | direction, |
| 576 | radius, |
| 577 | morphType, |
| 578 | bounds))->unref(); |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 579 | context->drawNonAARectToRect(rt, clip, paint, SkMatrix::I(), SkRect::Make(dstRect), |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 580 | SkRect::Make(srcRect)); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 581 | } |
| 582 | |
| 583 | void apply_morphology_rect_no_bounds(GrContext* context, |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 584 | GrRenderTarget* rt, |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 585 | const GrClip& clip, |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 586 | GrTexture* texture, |
| 587 | const SkIRect& srcRect, |
| 588 | const SkIRect& dstRect, |
| 589 | int radius, |
| 590 | GrMorphologyEffect::MorphologyType morphType, |
| 591 | Gr1DKernelEffect::Direction direction) { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 592 | GrPaint paint; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 593 | paint.addColorProcessor(GrMorphologyEffect::Create(texture, |
| 594 | direction, |
| 595 | radius, |
| 596 | morphType))->unref(); |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 597 | context->drawNonAARectToRect(rt, clip, paint, SkMatrix::I(), SkRect::Make(dstRect), |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 598 | SkRect::Make(srcRect)); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 599 | } |
| 600 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 601 | void apply_morphology_pass(GrContext* context, |
joshualitt | 25d9c15 | 2015-02-18 12:29:52 -0800 | [diff] [blame] | 602 | GrRenderTarget* rt, |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 603 | const GrClip& clip, |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 604 | GrTexture* texture, |
| 605 | const SkIRect& srcRect, |
| 606 | const SkIRect& dstRect, |
| 607 | int radius, |
| 608 | GrMorphologyEffect::MorphologyType morphType, |
| 609 | Gr1DKernelEffect::Direction direction) { |
| 610 | float bounds[2] = { 0.0f, 1.0f }; |
| 611 | SkIRect lowerSrcRect = srcRect, lowerDstRect = dstRect; |
| 612 | SkIRect middleSrcRect = srcRect, middleDstRect = dstRect; |
| 613 | SkIRect upperSrcRect = srcRect, upperDstRect = dstRect; |
| 614 | if (direction == Gr1DKernelEffect::kX_Direction) { |
| 615 | bounds[0] = (SkIntToScalar(srcRect.left()) + 0.5f) / texture->width(); |
| 616 | bounds[1] = (SkIntToScalar(srcRect.right()) - 0.5f) / texture->width(); |
| 617 | lowerSrcRect.fRight = srcRect.left() + radius; |
| 618 | lowerDstRect.fRight = dstRect.left() + radius; |
| 619 | upperSrcRect.fLeft = srcRect.right() - radius; |
| 620 | upperDstRect.fLeft = dstRect.right() - radius; |
| 621 | middleSrcRect.inset(radius, 0); |
| 622 | middleDstRect.inset(radius, 0); |
| 623 | } else { |
| 624 | bounds[0] = (SkIntToScalar(srcRect.top()) + 0.5f) / texture->height(); |
| 625 | bounds[1] = (SkIntToScalar(srcRect.bottom()) - 0.5f) / texture->height(); |
| 626 | lowerSrcRect.fBottom = srcRect.top() + radius; |
| 627 | lowerDstRect.fBottom = dstRect.top() + radius; |
| 628 | upperSrcRect.fTop = srcRect.bottom() - radius; |
| 629 | upperDstRect.fTop = dstRect.bottom() - radius; |
| 630 | middleSrcRect.inset(0, radius); |
| 631 | middleDstRect.inset(0, radius); |
| 632 | } |
| 633 | if (middleSrcRect.fLeft - middleSrcRect.fRight >= 0) { |
| 634 | // radius covers srcRect; use bounds over entire draw |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 635 | apply_morphology_rect(context, rt, clip, texture, srcRect, dstRect, radius, |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 636 | morphType, bounds, direction); |
| 637 | } else { |
| 638 | // Draw upper and lower margins with bounds; middle without. |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 639 | apply_morphology_rect(context, rt, clip, texture, lowerSrcRect, lowerDstRect, radius, |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 640 | morphType, bounds, direction); |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 641 | apply_morphology_rect(context, rt, clip, texture, upperSrcRect, upperDstRect, radius, |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 642 | morphType, bounds, direction); |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 643 | apply_morphology_rect_no_bounds(context, rt, clip, texture, middleSrcRect, middleDstRect, |
| 644 | radius, morphType, direction); |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 648 | bool apply_morphology(const SkBitmap& input, |
| 649 | const SkIRect& rect, |
| 650 | GrMorphologyEffect::MorphologyType morphType, |
| 651 | SkISize radius, |
| 652 | SkBitmap* dst) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 653 | SkAutoTUnref<GrTexture> srcTexture(SkRef(input.getTexture())); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 654 | SkASSERT(srcTexture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 655 | GrContext* context = srcTexture->getContext(); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 656 | |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 657 | // setup new clip |
| 658 | GrClip clip(SkRect::MakeWH(SkIntToScalar(srcTexture->width()), |
| 659 | SkIntToScalar(srcTexture->height()))); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 660 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 661 | SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
bsalomon | f2703d8 | 2014-10-28 14:33:06 -0700 | [diff] [blame] | 662 | GrSurfaceDesc desc; |
bsalomon | 6bc1b5f | 2015-02-23 09:06:38 -0800 | [diff] [blame] | 663 | desc.fFlags = kRenderTarget_GrSurfaceFlag; |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 664 | desc.fWidth = rect.width(); |
| 665 | desc.fHeight = rect.height(); |
| 666 | desc.fConfig = kSkia8888_GrPixelConfig; |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 667 | SkIRect srcRect = rect; |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 668 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 669 | if (radius.fWidth > 0) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 670 | GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch); |
| 671 | if (NULL == texture) { |
senorblanco | 673d973 | 2014-08-15 10:48:43 -0700 | [diff] [blame] | 672 | return false; |
| 673 | } |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 674 | apply_morphology_pass(context, texture->asRenderTarget(), clip, srcTexture, |
| 675 | srcRect, dstRect, radius.fWidth, morphType, |
| 676 | Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 677 | SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
| 678 | dstRect.width(), radius.fHeight); |
bsalomon | 89c6298 | 2014-11-03 12:08:42 -0800 | [diff] [blame] | 679 | GrColor clearColor = GrMorphologyEffect::kErode_MorphologyType == morphType ? |
| 680 | SK_ColorWHITE : |
| 681 | SK_ColorTRANSPARENT; |
| 682 | context->clear(&clearRect, clearColor, false, texture->asRenderTarget()); |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 683 | srcTexture.reset(texture); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 684 | srcRect = dstRect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 685 | } |
| 686 | if (radius.fHeight > 0) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 687 | GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch); |
| 688 | if (NULL == texture) { |
senorblanco | 673d973 | 2014-08-15 10:48:43 -0700 | [diff] [blame] | 689 | return false; |
| 690 | } |
joshualitt | 570d2f8 | 2015-02-25 13:19:48 -0800 | [diff] [blame] | 691 | apply_morphology_pass(context, texture->asRenderTarget(), clip, srcTexture, |
| 692 | srcRect, dstRect, radius.fHeight, morphType, |
| 693 | Gr1DKernelEffect::kY_Direction); |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 694 | srcTexture.reset(texture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 695 | } |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 696 | SkImageFilter::WrapTexture(srcTexture, rect.width(), rect.height(), dst); |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 697 | return true; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 698 | } |
| 699 | |
| 700 | }; |
| 701 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 702 | bool SkMorphologyImageFilter::filterImageGPUGeneric(bool dilate, |
| 703 | Proxy* proxy, |
| 704 | const SkBitmap& src, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 705 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 706 | SkBitmap* result, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 707 | SkIPoint* offset) const { |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 708 | SkBitmap input = src; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 709 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 710 | if (getInput(0) && !getInput(0)->getInputResultGPU(proxy, src, ctx, &input, &srcOffset)) { |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 711 | return false; |
| 712 | } |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 713 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 714 | if (!this->applyCropRect(ctx, proxy, input, &srcOffset, &bounds, &input)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 715 | return false; |
| 716 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 717 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 718 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 719 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 720 | int width = SkScalarFloorToInt(radius.fX); |
| 721 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 722 | |
| 723 | if (width < 0 || height < 0) { |
| 724 | return false; |
| 725 | } |
| 726 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 727 | SkIRect srcBounds = bounds; |
| 728 | srcBounds.offset(-srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 729 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 730 | input.extractSubset(result, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 731 | offset->fX = bounds.left(); |
| 732 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 733 | return true; |
| 734 | } |
| 735 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 736 | GrMorphologyEffect::MorphologyType type = dilate ? GrMorphologyEffect::kDilate_MorphologyType : GrMorphologyEffect::kErode_MorphologyType; |
| 737 | if (!apply_morphology(input, srcBounds, type, |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 738 | SkISize::Make(width, height), result)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 739 | return false; |
| 740 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 741 | offset->fX = bounds.left(); |
| 742 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 743 | return true; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 744 | } |
| 745 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 746 | bool SkDilateImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 747 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 748 | return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 749 | } |
| 750 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 751 | bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 752 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 753 | return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 754 | } |
| 755 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 756 | #endif |