SkMatrixConvolutionImageFilter.cpp revision a34995e18b1f0a7d8c9f23451718bb30ff0105b0
15faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org/* 25faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * Copyright 2012 The Android Open Source Project 35faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * 45faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * Use of this source code is governed by a BSD-style license that can be 55faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * found in the LICENSE file. 65faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org */ 75faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 85faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkMatrixConvolutionImageFilter.h" 95faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkBitmap.h" 105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkColorPriv.h" 115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkFlattenableBuffers.h" 125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkRect.h" 138640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org#include "SkUnPreMultiply.h" 145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 16d698f77c13d97c61109b861eac4d25b14a5de935bsalomon@google.com#include "gl/GrGLEffect.h" 17dbe49f735484f8862e378b63d0a074a301093dd0bsalomon@google.com#include "effects/GrSingleTextureEffect.h" 182eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com#include "GrTBackendEffectFactory.h" 1917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "GrTexture.h" 2017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "SkMatrix.h" 213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 237938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter( 247938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkISize& kernelSize, 257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkScalar* kernel, 267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar gain, 277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar bias, 287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIPoint& target, 297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org TileMode tileMode, 307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bool convolveAlpha, 317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkImageFilter* input, 327938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const CropRect* cropRect) 337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org : INHERITED(input, cropRect), 345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize(kernelSize), 355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain(gain), 365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias(bias), 375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget(target), 388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fTileMode(tileMode), 398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org memcpy(fKernel, kernel, size * sizeof(SkScalar)); 433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); 445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); 455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); 465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 487938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer) 497938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org : INHERITED(buffer) { 505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 540e51577a14f903ffeafa117a75954baeb173ffb9humper@google.com SkDEBUGCODE(uint32_t readSize = )buffer.readScalarArray(fKernel); 555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(readSize == size); 565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 58528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fX = buffer.readInt(); 59528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fY = buffer.readInt(); 605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 618640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { 655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 71528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fX); 72528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fY); 735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 837938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 855faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 907938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = SkPin32(x, bounds.fLeft, bounds.fRight - 1); 927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = SkPin32(y, bounds.fTop, bounds.fBottom - 1); 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = (x - bounds.left()) % bounds.width() + bounds.left(); 1017938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = (y - bounds.top()) % bounds.height() + bounds.top(); 1027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.left()) { 1037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x += bounds.width(); 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (y < bounds.top()) { 1067938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y += bounds.height(); 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1147938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1157938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1238640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1247938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop); 1305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, 1357938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x + cx - fTarget.fX, 1367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y + cy - fTarget.fY, 1377938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds); 1385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1408640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 150cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 151cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 152cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1538640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y, bounds)); 1558640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1568640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1578640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1588640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1638640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1688640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1697938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect, bounds); 1708640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1717938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect, bounds); 1728640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1738640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 1748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 1757938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, 1767938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1777938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1787938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1797938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds); 1805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1827938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, 1837938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1847938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1857938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 1875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 1887938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect, bounds); 1895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 1917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect, bounds); 1925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 1947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect, bounds); 1955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 199377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 2008640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 2018640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 2028640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 2038640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 2048640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 2058640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 2068640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2078640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2088640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 2098640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 2108640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 2118640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 2128640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2138640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2148640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 2158640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 2168640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 2178640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 2188640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 2198640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2208640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2218640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 2228640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2238640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 2275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 2285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIPoint* loc) { 22968400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 23068400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) { 23168400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 23268400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 23368400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 2345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2387938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds; 2397938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org src.getBounds(&bounds); 2407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (!this->applyCropRect(&bounds, matrix)) { 2417938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org return false; 2427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org } 2437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org 2448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org result->setConfig(src.config(), bounds.width(), bounds.height()); 2545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 2555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2567938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fTarget.fX, 2577938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.top() + fTarget.fY, 2587938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.width() - fKernelSize.fWidth + 1, 2597938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.height() - fKernelSize.fHeight + 1); 2607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect top = SkIRect::MakeLTRB(bounds.left(), bounds.top(), bounds.right(), interior.top()); 2617938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(bounds.left(), interior.bottom(), 2627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), bounds.bottom()); 2637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect left = SkIRect::MakeLTRB(bounds.left(), interior.top(), 2647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org interior.left(), interior.bottom()); 2655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 2667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), interior.bottom()); 2677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, top, bounds); 2687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, left, bounds); 2697938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterInteriorPixels(src, result, interior, bounds); 2707938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, right, bounds); 2717938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, bottom, bounds); 2727938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fX += bounds.fLeft; 2737938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fY += bounds.fTop; 2745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 2755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 2783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 2803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 2823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 2843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 2853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 2860ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 2877938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 2880ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 2890ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 2900ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 2910ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 2920ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 2930ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 2940ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 2956340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 2967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 2976340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 2986340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 2996340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 3006340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 3016340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com target, 3026340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 3036340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 304a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 3050ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 3063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 3073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3080263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 3090263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 3100263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 3110263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 3120263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 3130263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 3143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 3157938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds() const { return fBounds; } 3163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 3173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 3183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 3193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 3203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 3213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 3223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 3233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 324422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 3253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 326396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 3273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3290ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 3307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3310ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3320ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3330ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3340ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3350ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3360ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3370ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3380ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3398a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 34068b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3417938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect fBounds; 3423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 3463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 3473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 350f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 35522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 3563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 357396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 358c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& effect); 35922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 360c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 36122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 36222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 36322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 36477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray&, 36522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 3663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 367c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); 3683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 369c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 3733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 37417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 37517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 37617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 37717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 3787938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org UniformHandle fBoundsUni; 37917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 38017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 38117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fTargetUni; 38217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 38317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 3843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 38522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 3863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 388396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 389c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) 39077af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com : INHERITED(factory) { 391c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 3923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 3933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 3943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 3953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 3983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 3993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 4007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds, 4013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 4023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 4033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 4043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 4057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds); 4063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 4097938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds); 4103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 4137938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord); 4143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 41674a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org builder->fsAppendTextureLookup(sampler, coord); 4173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 41922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 420c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 42117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 42222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 42322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 42477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray& coords, 42522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 426a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org sk_ignore_unused_variable(inputColor); 42777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com SkString coords2D = builder->ensureFSCoords2D(coords, 0); 4287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 4297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kVec4f_GrSLType, "Bounds"); 43074a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 43122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 43274a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, 4337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kFloat_GrSLType, 4347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org "Kernel", 4357938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height()); 43674a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 43722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "Target"); 43874a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 43922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 44074a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 44122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 44222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds = builder->getUniformCStr(fBoundsUni); 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 452f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 45377af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), target, imgInc); 454f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 455f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 456f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 457f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 458f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tvec4 c = "); 4597938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode); 460f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 4613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 462f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n"); 4633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 464f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tsum += c * k;\n"); 465f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t}\n"); 466f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t}\n"); 4673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 468f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 4697938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", 4707938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org outputColor, outputColor, outputColor); 4713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 472f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 c = "); 4737938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode); 474f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 475f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor); 476f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 477f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 4783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 4793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 4823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 4843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 4853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 4863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 487dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 4883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 4893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 493c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, 494c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGLCaps&) { 495c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 49646fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 4973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 4983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 49977af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com return key; 5003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 503c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 504c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 505c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com GrTexture& texture = *conv.texture(0); 5063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 50796ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.kernelSize() == fKernelSize); 50896ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.tileMode() == fTileMode); 5093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 510ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 5113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 512027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fImageIncrementUni, 0, 1, imageIncrement); 514c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set2fv(fTargetUni, 0, 1, conv.target()); 515c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1fv(fKernelUni, 0, fKernelSize.width() * fKernelSize.height(), conv.kernel()); 516c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fGainUni, conv.gain()); 517c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fBiasUni, conv.bias()); 5187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds = conv.bounds(); 5192a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float left = (float) bounds.left() / texture.width(); 5202a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float top = (float) bounds.top() / texture.height(); 5212a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float right = (float) bounds.right() / texture.width(); 5222a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float bottom = (float) bounds.bottom() / texture.height(); 5232a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org if (texture.origin() == kBottomLeft_GrSurfaceOrigin) { 5242a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top); 5252a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } else { 5262a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, top, right, bottom); 5272a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } 5283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 5317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 5323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 5333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 5343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 5353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 5373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 5383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 53917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 5407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBounds(bounds), 5413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 550528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[0] = static_cast<float>(target.x()); 551528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[1] = static_cast<float>(target.y()); 552a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org this->setWillNotUseInputColor(); 5533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 5563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 5573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 559396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 560396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 5613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5638a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 5646340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 56568b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 5663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 5677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org !memcmp(fKernel, s.kernel(), 5687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 5693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 5703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 5713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 5723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 5733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 5743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 576f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 5773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 578dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 5793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 582e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 5830ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 584c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com const GrDrawTargetCaps&, 5850ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 5866f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 5876f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 5883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 5893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 5903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 59135300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]); 5923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 59335300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get()[i] = random->nextSScalar1(); 5943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 5963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 5973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 5983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 5997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()), 6007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height()), 6017938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->width()), 6027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height())); 6033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 6043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 6050ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 6067938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 6070ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 60835300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get(), 6090ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 6100ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 6110ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com target, 6120ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 6130ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 6143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6160ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 6174e16bb2a322f2bd16cb1afd2f78c27e420a4b9dbsenorblanco@chromium.org GrTexture* texture, 6187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkMatrix&, 6197938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds 6207938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org ) const { 621d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org if (!effect) { 622d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 6233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 624d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE); 625d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org *effect = GrMatrixConvolutionEffect::Create(texture, 6267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 627d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernelSize, 628d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernel, 629d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fGain, 630d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fBias, 631d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTarget, 632d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTileMode, 633d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fConvolveAlpha); 634d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return true; 6353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 6383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 640