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" |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 18 | #include "GrTBackendProcessorFactory.h" |
| 19 | #include "gl/GrGLProcessor.h" |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 20 | #include "gl/builders/GrGLProgramBuilder.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 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 24 | #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 25 | SkMorphologyImageFilter::SkMorphologyImageFilter(SkReadBuffer& buffer) |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 26 | : INHERITED(1, buffer) { |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 27 | fRadius.fWidth = buffer.readInt(); |
| 28 | fRadius.fHeight = buffer.readInt(); |
commit-bot@chromium.org | c0b7e10 | 2013-10-23 17:06:21 +0000 | [diff] [blame] | 29 | buffer.validate((fRadius.fWidth >= 0) && |
| 30 | (fRadius.fHeight >= 0)); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 31 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 32 | #endif |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 33 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 34 | SkMorphologyImageFilter::SkMorphologyImageFilter(int radiusX, |
| 35 | int radiusY, |
| 36 | SkImageFilter* input, |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 37 | const CropRect* cropRect, |
| 38 | uint32_t uniqueID) |
| 39 | : INHERITED(1, &input, cropRect, uniqueID), fRadius(SkISize::Make(radiusX, radiusY)) { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 40 | } |
| 41 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 42 | void SkMorphologyImageFilter::flatten(SkWriteBuffer& buffer) const { |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 43 | this->INHERITED::flatten(buffer); |
tomhudson@google.com | 7558925 | 2012-04-10 17:42:21 +0000 | [diff] [blame] | 44 | buffer.writeInt(fRadius.fWidth); |
| 45 | buffer.writeInt(fRadius.fHeight); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 46 | } |
| 47 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 48 | enum MorphDirection { |
| 49 | kX, kY |
| 50 | }; |
| 51 | |
| 52 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 53 | static void erode(const SkPMColor* src, SkPMColor* dst, |
| 54 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 55 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 56 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 57 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 58 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 59 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 60 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 61 | radius = SkMin32(radius, width - 1); |
| 62 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 63 | for (int x = 0; x < width; ++x) { |
| 64 | const SkPMColor* lp = src; |
| 65 | const SkPMColor* up = upperSrc; |
| 66 | SkPMColor* dptr = dst; |
| 67 | for (int y = 0; y < height; ++y) { |
| 68 | int minB = 255, minG = 255, minR = 255, minA = 255; |
| 69 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 70 | int b = SkGetPackedB32(*p); |
| 71 | int g = SkGetPackedG32(*p); |
| 72 | int r = SkGetPackedR32(*p); |
| 73 | int a = SkGetPackedA32(*p); |
| 74 | if (b < minB) minB = b; |
| 75 | if (g < minG) minG = g; |
| 76 | if (r < minR) minR = r; |
| 77 | if (a < minA) minA = a; |
| 78 | } |
| 79 | *dptr = SkPackARGB32(minA, minR, minG, minB); |
| 80 | dptr += dstStrideY; |
| 81 | lp += srcStrideY; |
| 82 | up += srcStrideY; |
| 83 | } |
| 84 | if (x >= radius) src += srcStrideX; |
| 85 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 86 | dst += dstStrideX; |
| 87 | } |
| 88 | } |
| 89 | |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 90 | template<MorphDirection direction> |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 91 | static void dilate(const SkPMColor* src, SkPMColor* dst, |
| 92 | int radius, int width, int height, |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 93 | int srcStride, int dstStride) |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 94 | { |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 95 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| 96 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| 97 | const int srcStrideY = direction == kX ? srcStride : 1; |
| 98 | const int dstStrideY = direction == kX ? dstStride : 1; |
senorblanco@chromium.org | 56dd630 | 2012-04-10 17:25:44 +0000 | [diff] [blame] | 99 | radius = SkMin32(radius, width - 1); |
| 100 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 101 | for (int x = 0; x < width; ++x) { |
| 102 | const SkPMColor* lp = src; |
| 103 | const SkPMColor* up = upperSrc; |
| 104 | SkPMColor* dptr = dst; |
| 105 | for (int y = 0; y < height; ++y) { |
| 106 | int maxB = 0, maxG = 0, maxR = 0, maxA = 0; |
| 107 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| 108 | int b = SkGetPackedB32(*p); |
| 109 | int g = SkGetPackedG32(*p); |
| 110 | int r = SkGetPackedR32(*p); |
| 111 | int a = SkGetPackedA32(*p); |
| 112 | if (b > maxB) maxB = b; |
| 113 | if (g > maxG) maxG = g; |
| 114 | if (r > maxR) maxR = r; |
| 115 | if (a > maxA) maxA = a; |
| 116 | } |
| 117 | *dptr = SkPackARGB32(maxA, maxR, maxG, maxB); |
| 118 | dptr += dstStrideY; |
| 119 | lp += srcStrideY; |
| 120 | up += srcStrideY; |
| 121 | } |
| 122 | if (x >= radius) src += srcStrideX; |
| 123 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| 124 | dst += dstStrideX; |
| 125 | } |
| 126 | } |
| 127 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 128 | 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] | 129 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 130 | procX(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 131 | radiusX, bounds.width(), bounds.height(), |
| 132 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 133 | } |
| 134 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 135 | 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] | 136 | { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 137 | procY(src.getAddr32(bounds.left(), bounds.top()), dst->getAddr32(0, 0), |
| 138 | radiusY, bounds.height(), bounds.width(), |
| 139 | src.rowBytesAsPixels(), dst->rowBytesAsPixels()); |
| 140 | } |
| 141 | |
| 142 | bool SkMorphologyImageFilter::filterImageGeneric(SkMorphologyImageFilter::Proc procX, |
| 143 | SkMorphologyImageFilter::Proc procY, |
| 144 | Proxy* proxy, |
| 145 | const SkBitmap& source, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 146 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 147 | SkBitmap* dst, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 148 | SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 149 | SkBitmap src = source; |
| 150 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 151 | if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 152 | return false; |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 153 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 154 | |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 155 | if (src.colorType() != kN32_SkColorType) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 156 | return false; |
| 157 | } |
| 158 | |
| 159 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 160 | if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 161 | return false; |
| 162 | } |
| 163 | |
| 164 | SkAutoLockPixels alp(src); |
| 165 | if (!src.getPixels()) { |
| 166 | return false; |
| 167 | } |
| 168 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 169 | if (!dst->tryAllocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 170 | return false; |
| 171 | } |
| 172 | |
| 173 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 174 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 175 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 176 | int width = SkScalarFloorToInt(radius.fX); |
| 177 | int height = SkScalarFloorToInt(radius.fY); |
| 178 | |
| 179 | if (width < 0 || height < 0) { |
| 180 | return false; |
| 181 | } |
| 182 | |
| 183 | SkIRect srcBounds = bounds; |
| 184 | srcBounds.offset(-srcOffset); |
| 185 | |
| 186 | if (width == 0 && height == 0) { |
| 187 | src.extractSubset(dst, srcBounds); |
| 188 | offset->fX = bounds.left(); |
| 189 | offset->fY = bounds.top(); |
| 190 | return true; |
| 191 | } |
| 192 | |
| 193 | SkBitmap temp; |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 194 | if (!temp.tryAllocPixels(dst->info())) { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 195 | return false; |
| 196 | } |
| 197 | |
| 198 | if (width > 0 && height > 0) { |
| 199 | callProcX(procX, src, &temp, width, srcBounds); |
| 200 | SkIRect tmpBounds = SkIRect::MakeWH(srcBounds.width(), srcBounds.height()); |
| 201 | callProcY(procY, temp, dst, height, tmpBounds); |
| 202 | } else if (width > 0) { |
| 203 | callProcX(procX, src, dst, width, srcBounds); |
| 204 | } else if (height > 0) { |
| 205 | callProcY(procY, src, dst, height, srcBounds); |
| 206 | } |
| 207 | offset->fX = bounds.left(); |
| 208 | offset->fY = bounds.top(); |
| 209 | return true; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 210 | } |
| 211 | |
skia.committer@gmail.com | 1878a44 | 2014-01-23 18:48:56 +0000 | [diff] [blame] | 212 | bool SkErodeImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 213 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 214 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 215 | Proc erodeXProc = SkMorphologyGetPlatformProc(kErodeX_SkMorphologyProcType); |
| 216 | if (!erodeXProc) { |
| 217 | erodeXProc = erode<kX>; |
senorblanco@chromium.org | 7a47ad3 | 2013-10-30 21:57:04 +0000 | [diff] [blame] | 218 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 219 | Proc erodeYProc = SkMorphologyGetPlatformProc(kErodeY_SkMorphologyProcType); |
| 220 | if (!erodeYProc) { |
| 221 | erodeYProc = erode<kY>; |
senorblanco@chromium.org | 76d4d04 | 2014-01-23 18:45:23 +0000 | [diff] [blame] | 222 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 223 | return this->filterImageGeneric(erodeXProc, erodeYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 224 | } |
| 225 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 226 | bool SkDilateImageFilter::onFilterImage(Proxy* proxy, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 227 | const SkBitmap& source, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 228 | SkBitmap* dst, SkIPoint* offset) const { |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 229 | Proc dilateXProc = SkMorphologyGetPlatformProc(kDilateX_SkMorphologyProcType); |
| 230 | if (!dilateXProc) { |
| 231 | dilateXProc = dilate<kX>; |
senorblanco@chromium.org | 6840076 | 2013-05-24 15:04:07 +0000 | [diff] [blame] | 232 | } |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 233 | Proc dilateYProc = SkMorphologyGetPlatformProc(kDilateY_SkMorphologyProcType); |
| 234 | if (!dilateYProc) { |
| 235 | dilateYProc = dilate<kY>; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 236 | } |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 237 | return this->filterImageGeneric(dilateXProc, dilateYProc, proxy, source, ctx, dst, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 238 | } |
| 239 | |
senorblanco@chromium.org | 336d1d7 | 2014-01-27 21:03:17 +0000 | [diff] [blame] | 240 | void SkMorphologyImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const { |
| 241 | if (getInput(0)) { |
| 242 | getInput(0)->computeFastBounds(src, dst); |
| 243 | } else { |
| 244 | *dst = src; |
| 245 | } |
| 246 | dst->outset(SkIntToScalar(fRadius.width()), SkIntToScalar(fRadius.height())); |
| 247 | } |
| 248 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 249 | bool SkMorphologyImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, |
| 250 | SkIRect* dst) const { |
| 251 | SkIRect bounds = src; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 252 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 253 | SkIntToScalar(this->radius().height())); |
| 254 | ctm.mapVectors(&radius, 1); |
| 255 | bounds.outset(SkScalarCeilToInt(radius.x()), SkScalarCeilToInt(radius.y())); |
senorblanco | 1150a6d | 2014-08-25 12:46:58 -0700 | [diff] [blame] | 256 | if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) { |
| 257 | return false; |
| 258 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 259 | *dst = bounds; |
| 260 | return true; |
| 261 | } |
| 262 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 263 | SkFlattenable* SkErodeImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 264 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 265 | const int width = buffer.readInt(); |
| 266 | const int height = buffer.readInt(); |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 267 | return Create(width, height, common.getInput(0), &common.cropRect(), common.uniqueID()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | SkFlattenable* SkDilateImageFilter::CreateProc(SkReadBuffer& buffer) { |
| 271 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 272 | const int width = buffer.readInt(); |
| 273 | const int height = buffer.readInt(); |
senorblanco | 5e5f948 | 2014-08-26 12:27:12 -0700 | [diff] [blame] | 274 | return Create(width, height, common.getInput(0), &common.cropRect(), common.uniqueID()); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 275 | } |
| 276 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 277 | #if SK_SUPPORT_GPU |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 278 | |
| 279 | /////////////////////////////////////////////////////////////////////////////// |
| 280 | |
| 281 | class GrGLMorphologyEffect; |
| 282 | |
| 283 | /** |
| 284 | * Morphology effects. Depending upon the type of morphology, either the |
| 285 | * component-wise min (Erode_Type) or max (Dilate_Type) of all pixels in the |
| 286 | * kernel is selected as the new color. The new color is modulated by the input |
| 287 | * color. |
| 288 | */ |
| 289 | class GrMorphologyEffect : public Gr1DKernelEffect { |
| 290 | |
| 291 | public: |
| 292 | |
| 293 | enum MorphologyType { |
| 294 | kErode_MorphologyType, |
| 295 | kDilate_MorphologyType, |
| 296 | }; |
| 297 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 298 | static GrFragmentProcessor* Create(GrTexture* tex, Direction dir, int radius, |
| 299 | MorphologyType type) { |
bsalomon | 55fad7a | 2014-07-08 07:34:20 -0700 | [diff] [blame] | 300 | return SkNEW_ARGS(GrMorphologyEffect, (tex, dir, radius, type)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 301 | } |
| 302 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 303 | virtual ~GrMorphologyEffect(); |
| 304 | |
| 305 | MorphologyType type() const { return fType; } |
| 306 | |
| 307 | static const char* Name() { return "Morphology"; } |
| 308 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 309 | typedef GrGLMorphologyEffect GLProcessor; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 310 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 311 | virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 312 | |
| 313 | protected: |
| 314 | |
| 315 | MorphologyType fType; |
| 316 | |
| 317 | private: |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame^] | 318 | virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 319 | |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 320 | virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE; |
| 321 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 322 | GrMorphologyEffect(GrTexture*, Direction, int radius, MorphologyType); |
| 323 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 324 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 325 | |
| 326 | typedef Gr1DKernelEffect INHERITED; |
| 327 | }; |
| 328 | |
| 329 | /////////////////////////////////////////////////////////////////////////////// |
| 330 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 331 | class GrGLMorphologyEffect : public GrGLFragmentProcessor { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 332 | public: |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 333 | GrGLMorphologyEffect (const GrBackendProcessorFactory&, const GrProcessor&); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 334 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 335 | virtual void emitCode(GrGLFPBuilder*, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 336 | const GrFragmentProcessor&, |
| 337 | const GrProcessorKey&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 338 | const char* outputColor, |
| 339 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 340 | const TransformedCoordsArray&, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 341 | const TextureSamplerArray&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 342 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 343 | static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder* b); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 344 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 345 | virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 346 | |
| 347 | private: |
| 348 | int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); } |
| 349 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 350 | int fRadius; |
| 351 | GrMorphologyEffect::MorphologyType fType; |
| 352 | GrGLProgramDataManager::UniformHandle fImageIncrementUni; |
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 | typedef GrGLFragmentProcessor INHERITED; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 355 | }; |
| 356 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 357 | GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendProcessorFactory& factory, |
| 358 | const GrProcessor& proc) |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 359 | : INHERITED(factory) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 360 | const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 361 | fRadius = m.radius(); |
| 362 | fType = m.type(); |
| 363 | } |
| 364 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 365 | void GrGLMorphologyEffect::emitCode(GrGLFPBuilder* builder, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 366 | const GrFragmentProcessor&, |
| 367 | const GrProcessorKey& key, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 368 | const char* outputColor, |
| 369 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 370 | const TransformedCoordsArray& coords, |
bsalomon@google.com | 47d7a88 | 2012-10-29 12:47:51 +0000 | [diff] [blame] | 371 | const TextureSamplerArray& samplers) { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 372 | fImageIncrementUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 373 | kVec2f_GrSLType, "ImageIncrement"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 374 | |
joshualitt | 1598899 | 2014-10-09 15:04:05 -0700 | [diff] [blame] | 375 | GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 376 | SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 377 | const char* func; |
| 378 | switch (fType) { |
| 379 | case GrMorphologyEffect::kErode_MorphologyType: |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 380 | 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] | 381 | func = "min"; |
| 382 | break; |
| 383 | case GrMorphologyEffect::kDilate_MorphologyType: |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 384 | 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] | 385 | func = "max"; |
| 386 | break; |
| 387 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 388 | SkFAIL("Unexpected type"); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 389 | func = ""; // suppress warning |
| 390 | break; |
| 391 | } |
| 392 | const char* imgInc = builder->getUniformCStr(fImageIncrementUni); |
| 393 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 394 | fsBuilder->codeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str(), fRadius, imgInc); |
| 395 | fsBuilder->codeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", this->width()); |
| 396 | fsBuilder->codeAppendf("\t\t\t%s = %s(%s, ", outputColor, func, outputColor); |
| 397 | fsBuilder->appendTextureLookup(samplers[0], "coord"); |
| 398 | fsBuilder->codeAppend(");\n"); |
| 399 | fsBuilder->codeAppendf("\t\t\tcoord += %s;\n", imgInc); |
| 400 | fsBuilder->codeAppend("\t\t}\n"); |
bsalomon@google.com | f910d3b | 2013-03-07 17:06:57 +0000 | [diff] [blame] | 401 | SkString modulate; |
egdaniel | 089f8de | 2014-10-09 10:34:58 -0700 | [diff] [blame] | 402 | GrGLSLMulVarBy4f(&modulate, outputColor, inputColor); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 403 | fsBuilder->codeAppend(modulate.c_str()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 404 | } |
| 405 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 406 | void GrGLMorphologyEffect::GenKey(const GrProcessor& proc, |
| 407 | const GrGLCaps&, GrProcessorKeyBuilder* b) { |
| 408 | const GrMorphologyEffect& m = proc.cast<GrMorphologyEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 409 | uint32_t key = static_cast<uint32_t>(m.radius()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 410 | key |= (m.type() << 8); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 411 | b->add32(key); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 412 | } |
| 413 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 414 | void GrGLMorphologyEffect::setData(const GrGLProgramDataManager& pdman, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 415 | const GrProcessor& proc) { |
| 416 | const Gr1DKernelEffect& kern = proc.cast<Gr1DKernelEffect>(); |
bsalomon@google.com | 2d0bade | 2012-10-26 19:01:17 +0000 | [diff] [blame] | 417 | GrTexture& texture = *kern.texture(0); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 418 | // the code we generated was for a specific kernel radius |
commit-bot@chromium.org | 96ae688 | 2013-08-14 12:09:00 +0000 | [diff] [blame] | 419 | SkASSERT(kern.radius() == fRadius); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 420 | float imageIncrement[2] = { 0 }; |
| 421 | switch (kern.direction()) { |
| 422 | case Gr1DKernelEffect::kX_Direction: |
| 423 | imageIncrement[0] = 1.0f / texture.width(); |
| 424 | break; |
| 425 | case Gr1DKernelEffect::kY_Direction: |
| 426 | imageIncrement[1] = 1.0f / texture.height(); |
| 427 | break; |
| 428 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 429 | SkFAIL("Unknown filter direction."); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 430 | } |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 431 | pdman.set2fv(fImageIncrementUni, 1, imageIncrement); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | /////////////////////////////////////////////////////////////////////////////// |
| 435 | |
| 436 | GrMorphologyEffect::GrMorphologyEffect(GrTexture* texture, |
| 437 | Direction direction, |
| 438 | int radius, |
| 439 | MorphologyType type) |
| 440 | : Gr1DKernelEffect(texture, direction, radius) |
| 441 | , fType(type) { |
| 442 | } |
| 443 | |
| 444 | GrMorphologyEffect::~GrMorphologyEffect() { |
| 445 | } |
| 446 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 447 | const GrBackendFragmentProcessorFactory& GrMorphologyEffect::getFactory() const { |
| 448 | return GrTBackendFragmentProcessorFactory<GrMorphologyEffect>::getInstance(); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 449 | } |
| 450 | |
bsalomon | 0e08fc1 | 2014-10-15 08:19:04 -0700 | [diff] [blame^] | 451 | bool GrMorphologyEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
joshualitt | 49586be | 2014-09-16 08:21:41 -0700 | [diff] [blame] | 452 | const GrMorphologyEffect& s = sBase.cast<GrMorphologyEffect>(); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 453 | return (this->texture(0) == s.texture(0) && |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 454 | this->radius() == s.radius() && |
| 455 | this->direction() == s.direction() && |
| 456 | this->type() == s.type()); |
| 457 | } |
| 458 | |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 459 | void GrMorphologyEffect::onComputeInvariantOutput(InvariantOutput* inout) const { |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 460 | // This is valid because the color components of the result of the kernel all come |
| 461 | // exactly from existing values in the source texture. |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 462 | this->updateInvariantOutputForModulation(inout); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 463 | } |
| 464 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 465 | /////////////////////////////////////////////////////////////////////////////// |
| 466 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 467 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrMorphologyEffect); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 468 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 469 | GrFragmentProcessor* GrMorphologyEffect::TestCreate(SkRandom* random, |
| 470 | GrContext*, |
| 471 | const GrDrawTargetCaps&, |
| 472 | GrTexture* textures[]) { |
| 473 | int texIdx = random->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx : |
| 474 | GrProcessorUnitTest::kAlphaTextureIdx; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 475 | Direction dir = random->nextBool() ? kX_Direction : kY_Direction; |
| 476 | static const int kMaxRadius = 10; |
| 477 | int radius = random->nextRangeU(1, kMaxRadius); |
| 478 | MorphologyType type = random->nextBool() ? GrMorphologyEffect::kErode_MorphologyType : |
| 479 | GrMorphologyEffect::kDilate_MorphologyType; |
| 480 | |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 481 | return GrMorphologyEffect::Create(textures[texIdx], dir, radius, type); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 482 | } |
| 483 | |
| 484 | namespace { |
| 485 | |
| 486 | void apply_morphology_pass(GrContext* context, |
| 487 | GrTexture* texture, |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 488 | const SkIRect& srcRect, |
| 489 | const SkIRect& dstRect, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 490 | int radius, |
| 491 | GrMorphologyEffect::MorphologyType morphType, |
| 492 | Gr1DKernelEffect::Direction direction) { |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 493 | GrPaint paint; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 494 | paint.addColorProcessor(GrMorphologyEffect::Create(texture, |
| 495 | direction, |
| 496 | radius, |
| 497 | morphType))->unref(); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 498 | context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect)); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 499 | } |
| 500 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 501 | bool apply_morphology(const SkBitmap& input, |
| 502 | const SkIRect& rect, |
| 503 | GrMorphologyEffect::MorphologyType morphType, |
| 504 | SkISize radius, |
| 505 | SkBitmap* dst) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 506 | SkAutoTUnref<GrTexture> srcTexture(SkRef(input.getTexture())); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 507 | SkASSERT(srcTexture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 508 | GrContext* context = srcTexture->getContext(); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 509 | |
| 510 | GrContext::AutoMatrix am; |
| 511 | am.setIdentity(context); |
| 512 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 513 | GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->width()), |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 514 | SkIntToScalar(srcTexture->height()))); |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 515 | |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 516 | SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height()); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 517 | GrTextureDesc desc; |
| 518 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 519 | desc.fWidth = rect.width(); |
| 520 | desc.fHeight = rect.height(); |
| 521 | desc.fConfig = kSkia8888_GrPixelConfig; |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 522 | SkIRect srcRect = rect; |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 523 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 524 | if (radius.fWidth > 0) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 525 | GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch); |
| 526 | if (NULL == texture) { |
senorblanco | 673d973 | 2014-08-15 10:48:43 -0700 | [diff] [blame] | 527 | return false; |
| 528 | } |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 529 | GrContext::AutoRenderTarget art(context, texture->asRenderTarget()); |
| 530 | apply_morphology_pass(context, srcTexture, srcRect, dstRect, radius.fWidth, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 531 | morphType, Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 532 | SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom, |
| 533 | dstRect.width(), radius.fHeight); |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 534 | context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType == morphType ? |
| 535 | SK_ColorWHITE : |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 536 | SK_ColorTRANSPARENT, false); |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 537 | srcTexture.reset(texture); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 538 | srcRect = dstRect; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 539 | } |
| 540 | if (radius.fHeight > 0) { |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 541 | GrTexture* texture = context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch); |
| 542 | if (NULL == texture) { |
senorblanco | 673d973 | 2014-08-15 10:48:43 -0700 | [diff] [blame] | 543 | return false; |
| 544 | } |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 545 | GrContext::AutoRenderTarget art(context, texture->asRenderTarget()); |
| 546 | apply_morphology_pass(context, srcTexture, srcRect, dstRect, radius.fHeight, |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 547 | morphType, Gr1DKernelEffect::kY_Direction); |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 548 | srcTexture.reset(texture); |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 549 | } |
bsalomon | e305973 | 2014-10-14 11:47:22 -0700 | [diff] [blame] | 550 | SkImageFilter::WrapTexture(srcTexture, rect.width(), rect.height(), dst); |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 551 | return true; |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | }; |
| 555 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 556 | bool SkMorphologyImageFilter::filterImageGPUGeneric(bool dilate, |
| 557 | Proxy* proxy, |
| 558 | const SkBitmap& src, |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 559 | const Context& ctx, |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 560 | SkBitmap* result, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 561 | SkIPoint* offset) const { |
senorblanco@chromium.org | 6aa6fec | 2014-03-03 22:13:56 +0000 | [diff] [blame] | 562 | SkBitmap input = src; |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 563 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 564 | if (getInput(0) && !getInput(0)->getInputResultGPU(proxy, src, ctx, &input, &srcOffset)) { |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 565 | return false; |
| 566 | } |
senorblanco@chromium.org | c2594f4 | 2013-01-30 19:08:47 +0000 | [diff] [blame] | 567 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 568 | if (!this->applyCropRect(ctx, proxy, input, &srcOffset, &bounds, &input)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 569 | return false; |
| 570 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 571 | SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()), |
| 572 | SkIntToScalar(this->radius().height())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 573 | ctx.ctm().mapVectors(&radius, 1); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 574 | int width = SkScalarFloorToInt(radius.fX); |
| 575 | int height = SkScalarFloorToInt(radius.fY); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 576 | |
| 577 | if (width < 0 || height < 0) { |
| 578 | return false; |
| 579 | } |
| 580 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 581 | SkIRect srcBounds = bounds; |
| 582 | srcBounds.offset(-srcOffset); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 583 | if (width == 0 && height == 0) { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 584 | input.extractSubset(result, srcBounds); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 585 | offset->fX = bounds.left(); |
| 586 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 587 | return true; |
| 588 | } |
| 589 | |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 590 | GrMorphologyEffect::MorphologyType type = dilate ? GrMorphologyEffect::kDilate_MorphologyType : GrMorphologyEffect::kErode_MorphologyType; |
| 591 | if (!apply_morphology(input, srcBounds, type, |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 592 | SkISize::Make(width, height), result)) { |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 593 | return false; |
| 594 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 595 | offset->fX = bounds.left(); |
| 596 | offset->fY = bounds.top(); |
senorblanco@chromium.org | 8fcad98 | 2013-09-17 13:41:43 +0000 | [diff] [blame] | 597 | return true; |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 598 | } |
| 599 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 600 | 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] | 601 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 602 | return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 0ded88d | 2014-01-24 15:43:50 +0000 | [diff] [blame] | 603 | } |
| 604 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 605 | 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] | 606 | SkBitmap* result, SkIPoint* offset) const { |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 607 | return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset); |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 608 | } |
| 609 | |
senorblanco@chromium.org | 84207c4 | 2012-08-22 20:51:19 +0000 | [diff] [blame] | 610 | #endif |