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" |
| 17 | #include "GrTexture.h" |
bsalomon@google.com | 2eaaefd | 2012-10-29 19:51:22 +0000 | [diff] [blame] | 18 | #include "GrTBackendEffectFactory.h" |
bsalomon@google.com | d698f77 | 2012-10-25 13:22:00 +0000 | [diff] [blame] | 19 | #include "gl/GrGLEffect.h" |
bsalomon | 848faf0 | 2014-07-11 10:01:02 -0700 | [diff] [blame] | 20 | #include "gl/GrGLShaderBuilder.h" |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 21 | #include "effects/Gr1DKernelEffect.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 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 24 | SkMorphologyImageFilter::SkMorphologyImageFilter(SkReadBuffer& buffer) |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 25 | : INHERITED(1, buffer) { |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 26 | fRadius.fWidth = buffer.readInt(); |
| 27 | fRadius.fHeight = buffer.readInt(); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 28 | buffer.validate((fRadius.fWidth >= 0) && |
| 29 | (fRadius.fHeight >= 0)); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 30 | } |
| 31 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 32 | SkMorphologyImageFilter::SkMorphologyImageFilter(int radiusX, |
| 33 | int radiusY, |
| 34 | SkImageFilter* input, |
| 35 | const CropRect* cropRect) |
senorblanco | 9ea3d57 | 2014-07-08 09:16:22 -0700 | [diff] [blame] | 36 | : INHERITED(1, &input, cropRect), fRadius(SkISize::Make(radiusX, radiusY)) { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 40 | void SkMorphologyImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 41 | this->INHERITED::flatten(buffer); |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 42 | buffer.writeInt(fRadius.fWidth); |
| 43 | buffer.writeInt(fRadius.fHeight); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 44 | } |
| 45 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 46 | enum MorphDirection { |
| 47 | kX, kY |
| 48 | }; |
| 49 | |
| 50 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 51 | static void erode(const SkPMColor* src, SkPMColor* dst, |
| 52 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 53 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 54 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 55 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 56 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 57 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 58 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 59 | radius = SkMin32(radius, width - 1); |
| 60 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 61 | for (int x = 0; x < width; ++x) { |
| 62 | const SkPMColor* lp = src; |
| 63 | const SkPMColor* up = upperSrc; |
| 64 | SkPMColor* dptr = dst; |
| 65 | for (int y = 0; y < height; ++y) { |
| 66 | int minB = 255, minG = 255, minR = 255, minA = 255; |
| 67 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 68 | int b = SkGetPackedB32(*p); |
| 69 | int g = SkGetPackedG32(*p); |
| 70 | int r = SkGetPackedR32(*p); |
| 71 | int a = SkGetPackedA32(*p); |
| 72 | if (b < minB) minB = b; |
| 73 | if (g < minG) minG = g; |
| 74 | if (r < minR) minR = r; |
| 75 | if (a < minA) minA = a; |
| 76 | } |
| 77 | *dptr = SkPackARGB32(minA, minR, minG, minB); |
| 78 | dptr += dstStrideY; |
| 79 | lp += srcStrideY; |
| 80 | up += srcStrideY; |
| 81 | } |
| 82 | if (x >= radius) src += srcStrideX; |
| 83 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 84 | dst += dstStrideX; |
| 85 | } |
| 86 | } |
| 87 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 88 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 89 | static void dilate(const SkPMColor* src, SkPMColor* dst, |
| 90 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 91 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 92 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 93 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 94 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 95 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 96 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 97 | radius = SkMin32(radius, width - 1); |
| 98 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 99 | for (int x = 0; x < width; ++x) { |
| 100 | const SkPMColor* lp = src; |
| 101 | const SkPMColor* up = upperSrc; |
| 102 | SkPMColor* dptr = dst; |
| 103 | for (int y = 0; y < height; ++y) { |
| 104 | int maxB = 0, maxG = 0, maxR = 0, maxA = 0; |
| 105 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 106 | int b = SkGetPackedB32(*p); |
| 107 | int g = SkGetPackedG32(*p); |
| 108 | int r = SkGetPackedR32(*p); |
| 109 | int a = SkGetPackedA32(*p); |
| 110 | if (b > maxB) maxB = b; |
| 111 | if (g > maxG) maxG = g; |
| 112 | if (r > maxR) maxR = r; |
| 113 | if (a > maxA) maxA = a; |
| 114 | } |
| 115 | *dptr = SkPackARGB32(maxA, maxR, maxG, maxB); |
| 116 | dptr += dstStrideY; |
| 117 | lp += srcStrideY; |
| 118 | up += srcStrideY; |
| 119 | } |
| 120 | if (x >= radius) src += srcStrideX; |
| 121 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 122 | dst += dstStrideX; |
| 123 | } |
| 124 | } |
| 125 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 126 | 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] | 127 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 128 | procX(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 129 | radiusX, bounds.width(), bounds.height(), |
| 130 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 131 | } |
| 132 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 133 | 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] | 134 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 135 | procY(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 136 | radiusY, bounds.height(), bounds.width(), |
| 137 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
| 138 | } |
| 139 | |
| 140 | bool SkMorphologyImageFilter::filterImageGeneric(SkMorphologyImageFilter::Proc procX, |
| 141 | SkMorphologyImageFilter::Proc procY, |
| 142 | Proxy* proxy, |
| 143 | const SkBitmap& source, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 144 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 145 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 146 | SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 147 | SkBitmap src = source; |
| 148 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 149 | if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 150 | return false; |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 151 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 152 | |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 153 | if (src.colorType() != kN32_SkColorType) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 154 | return false; |
| 155 | } |
| 156 | |
| 157 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 158 | if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 159 | return false; |
| 160 | } |
| 161 | |
| 162 | SkAutoLockPixels alp(src); |
| 163 | if (!src.getPixels()) { |
| 164 | return false; |
| 165 | } |
| 166 | |
reed | c77392e | 2014-06-02 13:07:26 -0700 | [diff] [blame] | 167 | if (!dst->allocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 168 | return false; |
| 169 | } |
| 170 | |
| 171 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 172 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 173 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 174 | int width = SkScalarFloorToInt(radius.fX); |
| 175 | int height = SkScalarFloorToInt(radius.fY); |
| 176 | |
| 177 | if (width < 0 || height < 0) { |
| 178 | return false; |
| 179 | } |
| 180 | |
| 181 | SkIRect srcBounds = bounds; |
| 182 | srcBounds.offset(-srcOffset); |
| 183 | |
| 184 | if (width == 0 && height == 0) { |
| 185 | src.extractSubset(dst, srcBounds); |
| 186 | offset->fX = bounds.left(); |
| 187 | offset->fY = bounds.top(); |
| 188 | return true; |
| 189 | } |
| 190 | |
| 191 | SkBitmap temp; |
reed | c77392e | 2014-06-02 13:07:26 -0700 | [diff] [blame] | 192 | if (!temp.allocPixels(dst->info())) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 193 | return false; |
| 194 | } |
| 195 | |
| 196 | if (width > 0 && height > 0) { |
| 197 | callProcX(procX, src, &temp, width, srcBounds); |
| 198 | SkIRect tmpBounds = SkIRect::MakeWH(srcBounds.width(), srcBounds.height()); |
| 199 | callProcY(procY, temp, dst, height, tmpBounds); |
| 200 | } else if (width > 0) { |
| 201 | callProcX(procX, src, dst, width, srcBounds); |
| 202 | } else if (height > 0) { |
| 203 | callProcY(procY, src, dst, height, srcBounds); |
| 204 | } |
| 205 | offset->fX = bounds.left(); |
| 206 | offset->fY = bounds.top(); |
| 207 | return true; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 208 | } |
| 209 | |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 210 | bool SkErodeImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 211 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 212 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 213 | Proc erodeXProc = SkMorphologyGetPlatformProc(kErodeX_SkMorphologyProcType); |
| 214 | if (!erodeXProc) { |
| 215 | erodeXProc = erode<kX>; |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 216 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 217 | Proc erodeYProc = SkMorphologyGetPlatformProc(kErodeY_SkMorphologyProcType); |
| 218 | if (!erodeYProc) { |
| 219 | erodeYProc = erode<kY>; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 220 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 221 | return this->filterImageGeneric(erodeXProc, erodeYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 222 | } |
| 223 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 224 | bool SkDilateImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 225 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 226 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 227 | Proc dilateXProc = SkMorphologyGetPlatformProc(kDilateX_SkMorphologyProcType); |
| 228 | if (!dilateXProc) { |
| 229 | dilateXProc = dilate<kX>; |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 230 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 231 | Proc dilateYProc = SkMorphologyGetPlatformProc(kDilateY_SkMorphologyProcType); |
| 232 | if (!dilateYProc) { |
| 233 | dilateYProc = dilate<kY>; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 234 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 235 | return this->filterImageGeneric(dilateXProc, dilateYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 236 | } |
| 237 | |
senorblanco@chromium.org | 336d1d7 | 2014-01-27 21:03:17 +0000 | [diff] [blame] | 238 | void SkMorphologyImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const { |
| 239 | if (getInput(0)) { |
| 240 | getInput(0)->computeFastBounds(src, dst); |
| 241 | } else { |
| 242 | *dst = src; |
| 243 | } |
| 244 | dst->outset(SkIntToScalar(fRadius.width()), SkIntToScalar(fRadius.height())); |
| 245 | } |
| 246 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 247 | bool SkMorphologyImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, |
| 248 | SkIRect* dst) const { |
| 249 | SkIRect bounds = src; |
| 250 | if (getInput(0) && !getInput(0)->filterBounds(src, ctm, &bounds)) { |
| 251 | return false; |
| 252 | } |
| 253 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 254 | SkIntToScalar(this->radius().height())); |
| 255 | ctm.mapVectors(&radius, 1); |
| 256 | bounds.outset(SkScalarCeilToInt(radius.x()), SkScalarCeilToInt(radius.y())); |
| 257 | *dst = bounds; |
| 258 | return true; |
| 259 | } |
| 260 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 261 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 262 | |
| 263 | /////////////////////////////////////////////////////////////////////////////// |
| 264 | |
| 265 | class GrGLMorphologyEffect; |
| 266 | |
| 267 | /** |
| 268 | * Morphology effects. Depending upon the type of morphology, either the |
| 269 | * component-wise min (Erode_Type) or max (Dilate_Type) of all pixels in the |
| 270 | * kernel is selected as the new color. The new color is modulated by the input |
| 271 | * color. |
| 272 | */ |
| 273 | class GrMorphologyEffect : public Gr1DKernelEffect { |
| 274 | |
| 275 | public: |
| 276 | |
| 277 | enum MorphologyType { |
| 278 | kErode_MorphologyType, |
| 279 | kDilate_MorphologyType, |
| 280 | }; |
| 281 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 282 | static GrEffect* Create(GrTexture* tex, Direction dir, int radius, MorphologyType type) { |
bsalomon | 55fad7a | 2014-07-08 07:34:20 -0700 | [diff] [blame] | 283 | return SkNEW_ARGS(GrMorphologyEffect, (tex, dir, radius, type)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 284 | } |
| 285 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 286 | virtual ~GrMorphologyEffect(); |
| 287 | |
| 288 | MorphologyType type() const { return fType; } |
| 289 | |
| 290 | static const char* Name() { return "Morphology"; } |
| 291 | |
bsalomon@google.com | 422e81a | 2012-10-25 14:11:03 +0000 | [diff] [blame] | 292 | typedef GrGLMorphologyEffect GLEffect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 293 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 294 | virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 295 | virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 296 | |
| 297 | protected: |
| 298 | |
| 299 | MorphologyType fType; |
| 300 | |
| 301 | private: |
bsalomon@google.com | 8a252f7 | 2013-01-22 20:35:13 +0000 | [diff] [blame] | 302 | virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 303 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 304 | GrMorphologyEffect(GrTexture*, Direction, int radius, MorphologyType); |
| 305 | |
bsalomon@google.com | f271cc7 | 2012-10-24 19:35:13 +0000 | [diff] [blame] | 306 | GR_DECLARE_EFFECT_TEST; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 307 | |
| 308 | typedef Gr1DKernelEffect INHERITED; |
| 309 | }; |
| 310 | |
| 311 | /////////////////////////////////////////////////////////////////////////////// |
| 312 | |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 313 | class GrGLMorphologyEffect : public GrGLEffect { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 314 | public: |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 315 | GrGLMorphologyEffect (const GrBackendEffectFactory&, const GrDrawEffect&); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 316 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 317 | virtual void emitCode(GrGLShaderBuilder*, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 318 | const GrDrawEffect&, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 319 | const GrEffectKey&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 320 | const char* outputColor, |
| 321 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 322 | const TransformedCoordsArray&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 323 | const TextureSamplerArray&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 324 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 325 | static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder* b); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 326 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 327 | virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 328 | |
| 329 | private: |
| 330 | int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } |
| 331 | |
| 332 | int fRadius; |
| 333 | GrMorphologyEffect::MorphologyType fType; |
| 334 | GrGLUniformManager::UniformHandle fImageIncrementUni; |
| 335 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 336 | typedef GrGLEffect INHERITED; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 337 | }; |
| 338 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 339 | GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendEffectFactory& factory, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 340 | const GrDrawEffect& drawEffect) |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 341 | : INHERITED(factory) { |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 342 | const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 343 | fRadius = m.radius(); |
| 344 | fType = m.type(); |
| 345 | } |
| 346 | |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 347 | void GrGLMorphologyEffect::emitCode(GrGLShaderBuilder* builder, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 348 | const GrDrawEffect&, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 349 | const GrEffectKey& key, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 350 | const char* outputColor, |
| 351 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 352 | const TransformedCoordsArray& coords, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 353 | const TextureSamplerArray& samplers) { |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 354 | SkString coords2D = builder->ensureFSCoords2D(coords, 0); |
commit-bot@chromium.org | 74a3a21 | 2013-08-30 19:43:59 +0000 | [diff] [blame] | 355 | fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 356 | kVec2f_GrSLType, "ImageIncrement"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 357 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 358 | const char* func; |
| 359 | switch (fType) { |
| 360 | case GrMorphologyEffect::kErode_MorphologyType: |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 361 | 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] | 362 | func = "min"; |
| 363 | break; |
| 364 | case GrMorphologyEffect::kDilate_MorphologyType: |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 365 | 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] | 366 | func = "max"; |
| 367 | break; |
| 368 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 369 | SkFAIL("Unexpected type"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 370 | func = ""; // suppress warning |
| 371 | break; |
| 372 | } |
| 373 | const char* imgInc = builder->getUniformCStr(fImageIncrementUni); |
| 374 | |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 375 | 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] | 376 | builder->fsCodeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", this->width()); |
| 377 | 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] | 378 | builder->fsAppendTextureLookup(samplers[0], "coord"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 379 | builder->fsCodeAppend(");\n"); |
| 380 | builder->fsCodeAppendf("\t\t\tcoord += %s;\n", imgInc); |
| 381 | builder->fsCodeAppend("\t\t}\n"); |
| 382 | SkString modulate; |
| 383 | GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); |
| 384 | builder->fsCodeAppend(modulate.c_str()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 385 | } |
| 386 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 387 | void GrGLMorphologyEffect::GenKey(const GrDrawEffect& drawEffect, |
| 388 | const GrGLCaps&, GrEffectKeyBuilder* b) { |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 389 | const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 390 | uint32_t key = static_cast<uint32_t>(m.radius()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 391 | key |= (m.type() << 8); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame^] | 392 | b->add32(key); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 393 | } |
| 394 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 395 | void GrGLMorphologyEffect::setData(const GrGLUniformManager& uman, |
| 396 | const GrDrawEffect& drawEffect) { |
| 397 | const Gr1DKernelEffect& kern = drawEffect.castEffect<Gr1DKernelEffect>(); |
bsalomon@google.com | 2d0bade | 2012-10-26 19:01:17 +0000 | [diff] [blame] | 398 | GrTexture& texture = *kern.texture(0); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 399 | // the code we generated was for a specific kernel radius |
commit-bot@chromium.org | 96ae688 | 2013-08-14 12:09:00 +0000 | [diff] [blame] | 400 | SkASSERT(kern.radius() == fRadius); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 401 | float imageIncrement[2] = { 0 }; |
| 402 | switch (kern.direction()) { |
| 403 | case Gr1DKernelEffect::kX_Direction: |
| 404 | imageIncrement[0] = 1.0f / texture.width(); |
| 405 | break; |
| 406 | case Gr1DKernelEffect::kY_Direction: |
| 407 | imageIncrement[1] = 1.0f / texture.height(); |
| 408 | break; |
| 409 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 410 | SkFAIL("Unknown filter direction."); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 411 | } |
commit-bot@chromium.org | d3baf20 | 2013-11-07 22:06:08 +0000 | [diff] [blame] | 412 | uman.set2fv(fImageIncrementUni, 1, imageIncrement); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | /////////////////////////////////////////////////////////////////////////////// |
| 416 | |
| 417 | GrMorphologyEffect::GrMorphologyEffect(GrTexture* texture, |
| 418 | Direction direction, |
| 419 | int radius, |
| 420 | MorphologyType type) |
| 421 | : Gr1DKernelEffect(texture, direction, radius) |
| 422 | , fType(type) { |
| 423 | } |
| 424 | |
| 425 | GrMorphologyEffect::~GrMorphologyEffect() { |
| 426 | } |
| 427 | |
bsalomon@google.com | 396e61f | 2012-10-25 19:00:29 +0000 | [diff] [blame] | 428 | const GrBackendEffectFactory& GrMorphologyEffect::getFactory() const { |
| 429 | return GrTBackendEffectFactory<GrMorphologyEffect>::getInstance(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 430 | } |
| 431 | |
bsalomon@google.com | 8a252f7 | 2013-01-22 20:35:13 +0000 | [diff] [blame] | 432 | bool GrMorphologyEffect::onIsEqual(const GrEffect& sBase) const { |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 433 | const GrMorphologyEffect& s = CastEffect<GrMorphologyEffect>(sBase); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 434 | return (this->texture(0) == s.texture(0) && |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 435 | this->radius() == s.radius() && |
| 436 | this->direction() == s.direction() && |
| 437 | this->type() == s.type()); |
| 438 | } |
| 439 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 440 | void GrMorphologyEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const { |
| 441 | // This is valid because the color components of the result of the kernel all come |
| 442 | // exactly from existing values in the source texture. |
| 443 | this->updateConstantColorComponentsForModulation(color, validFlags); |
| 444 | } |
| 445 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 446 | /////////////////////////////////////////////////////////////////////////////// |
| 447 | |
bsalomon@google.com | f271cc7 | 2012-10-24 19:35:13 +0000 | [diff] [blame] | 448 | GR_DEFINE_EFFECT_TEST(GrMorphologyEffect); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 449 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 450 | GrEffect* GrMorphologyEffect::TestCreate(SkRandom* random, |
| 451 | GrContext*, |
| 452 | const GrDrawTargetCaps&, |
| 453 | GrTexture* textures[]) { |
bsalomon@google.com | 6f261be | 2012-10-24 19:07:10 +0000 | [diff] [blame] | 454 | int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : |
| 455 | GrEffectUnitTest::kAlphaTextureIdx; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 456 | Direction dir = random->nextBool() ? kX_Direction : kY_Direction; |
| 457 | static const int kMaxRadius = 10; |
| 458 | int radius = random->nextRangeU(1, kMaxRadius); |
| 459 | MorphologyType type = random->nextBool() ? GrMorphologyEffect::kErode_MorphologyType : |
| 460 | GrMorphologyEffect::kDilate_MorphologyType; |
| 461 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 462 | return GrMorphologyEffect::Create(textures[texIdx], dir, radius, type); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | namespace { |
| 466 | |
| 467 | void apply_morphology_pass(GrContext* context, |
| 468 | GrTexture* texture, |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 469 | const SkIRect& srcRect, |
| 470 | const SkIRect& dstRect, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 471 | int radius, |
| 472 | GrMorphologyEffect::MorphologyType morphType, |
| 473 | Gr1DKernelEffect::Direction direction) { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 474 | GrPaint paint; |
commit-bot@chromium.org | 42dacab | 2013-07-13 17:24:24 +0000 | [diff] [blame] | 475 | paint.addColorEffect(GrMorphologyEffect::Create(texture, |
| 476 | direction, |
| 477 | radius, |
| 478 | morphType))->unref(); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 479 | context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect)); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 480 | } |
| 481 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 482 | bool apply_morphology(const SkBitmap& input, |
| 483 | const SkIRect& rect, |
| 484 | GrMorphologyEffect::MorphologyType morphType, |
| 485 | SkISize radius, |
| 486 | SkBitmap* dst) { |
| 487 | GrTexture* srcTexture = input.getTexture(); |
| 488 | SkASSERT(NULL != srcTexture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 489 | GrContext* context = srcTexture->getContext(); |
| 490 | srcTexture->ref(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 491 | SkAutoTUnref<GrTexture> src(srcTexture); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 492 | |
| 493 | GrContext::AutoMatrix am; |
| 494 | am.setIdentity(context); |
| 495 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 496 | GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->width()), |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 497 | SkIntToScalar(srcTexture->height()))); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 498 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 499 | SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 500 | GrTextureDesc desc; |
| 501 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 502 | desc.fWidth = rect.width(); |
| 503 | desc.fHeight = rect.height(); |
| 504 | desc.fConfig = kSkia8888_GrPixelConfig; |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 505 | SkIRect srcRect = rect; |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 506 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 507 | if (radius.fWidth > 0) { |
| 508 | GrAutoScratchTexture ast(context, desc); |
| 509 | GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 510 | apply_morphology_pass(context, src, srcRect, dstRect, radius.fWidth, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 511 | morphType, Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 512 | SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
| 513 | dstRect.width(), radius.fHeight); |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 514 | context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType == morphType ? |
| 515 | SK_ColorWHITE : |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 516 | SK_ColorTRANSPARENT, false); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 517 | src.reset(ast.detach()); |
| 518 | srcRect = dstRect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 519 | } |
| 520 | if (radius.fHeight > 0) { |
| 521 | GrAutoScratchTexture ast(context, desc); |
| 522 | GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget()); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 523 | apply_morphology_pass(context, src, srcRect, dstRect, radius.fHeight, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 524 | morphType, Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 525 | src.reset(ast.detach()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 526 | } |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 527 | SkImageFilter::WrapTexture(src, rect.width(), rect.height(), dst); |
| 528 | return true; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 529 | } |
| 530 | |
| 531 | }; |
| 532 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 533 | bool SkMorphologyImageFilter::filterImageGPUGeneric(bool dilate, |
| 534 | Proxy* proxy, |
| 535 | const SkBitmap& src, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 536 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 537 | SkBitmap* result, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 538 | SkIPoint* offset) const { |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 539 | SkBitmap input = src; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 540 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 541 | if (getInput(0) && !getInput(0)->getInputResultGPU(proxy, src, ctx, &input, &srcOffset)) { |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 542 | return false; |
| 543 | } |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 544 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 545 | if (!this->applyCropRect(ctx, proxy, input, &srcOffset, &bounds, &input)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 546 | return false; |
| 547 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 548 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 549 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 550 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 551 | int width = SkScalarFloorToInt(radius.fX); |
| 552 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 553 | |
| 554 | if (width < 0 || height < 0) { |
| 555 | return false; |
| 556 | } |
| 557 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 558 | SkIRect srcBounds = bounds; |
| 559 | srcBounds.offset(-srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 560 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 561 | input.extractSubset(result, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 562 | offset->fX = bounds.left(); |
| 563 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 564 | return true; |
| 565 | } |
| 566 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 567 | GrMorphologyEffect::MorphologyType type = dilate ? GrMorphologyEffect::kDilate_MorphologyType : GrMorphologyEffect::kErode_MorphologyType; |
| 568 | if (!apply_morphology(input, srcBounds, type, |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 569 | SkISize::Make(width, height), result)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 570 | return false; |
| 571 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 572 | offset->fX = bounds.left(); |
| 573 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 574 | return true; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 575 | } |
| 576 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 577 | 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] | 578 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 579 | return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 580 | } |
| 581 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 582 | 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] | 583 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 584 | return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 585 | } |
| 586 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 587 | #endif |