SkMatrixConvolutionImageFilter.cpp revision 73a9694b4ceb67547e5863db5315488e7d5294f7
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" 1717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "gl/GrGLEffectMatrix.h" 18dbe49f735484f8862e378b63d0a074a301093dd0bsalomon@google.com#include "effects/GrSingleTextureEffect.h" 192eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com#include "GrTBackendEffectFactory.h" 2017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "GrTexture.h" 2117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "SkMatrix.h" 2217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 258640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(const SkISize& kernelSize, const SkScalar* kernel, SkScalar gain, SkScalar bias, const SkIPoint& target, TileMode tileMode, bool convolveAlpha, SkImageFilter* input) 265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org : INHERITED(input), 275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize(kernelSize), 285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain(gain), 295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias(bias), 305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget(target), 318640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fTileMode(tileMode), 328640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org memcpy(fKernel, kernel, size * sizeof(SkScalar)); 363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); 375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); 385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); 395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) { 425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 460e51577a14f903ffeafa117a75954baeb173ffb9humper@google.com SkDEBUGCODE(uint32_t readSize = )buffer.readScalarArray(fKernel); 475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(readSize == size); 485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 50528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fX = buffer.readInt(); 51528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fY = buffer.readInt(); 525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 538640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { 575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 63528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fX); 64528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fY); 655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 668640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 835faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x = SkClampMax(x, src.width() - 1); 845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y = SkClampMax(y, src.height() - 1); 855faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 915faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x %= src.width(); 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y %= src.height(); 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (x < 0) { 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x += src.width(); 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (y < 0) { 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y += src.height(); 995faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (x < 0 || x >= src.width() || y < 0 || y >= src.height()) { 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1158640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft, y); 1195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, x + cx - fTarget.fX, y + cy - fTarget.fY); 1245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1258640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1268640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1278640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1338640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1348640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 136cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 137cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 138cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y)); 1418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1428640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1438640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1498640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1528640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect); 1538640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1548640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect); 1558640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1568640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 1578640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 1585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect); 1605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 1645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 1655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect); 1665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 1685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect); 1695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 1715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect); 1725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 176377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 1778640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 1788640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 1798640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 1808640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 1818640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 1828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 1838640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 1848640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1858640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 1868640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 1878640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 1888640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 1898640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 1908640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1918640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 1928640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 1938640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 1948640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 1958640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 1968640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1978640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1988640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 1998640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2008640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 2045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 2055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIPoint* loc) { 206377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org SkBitmap src = this->getInputResult(0, proxy, source, matrix, loc); 2075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2118640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2128640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2138640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2148640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->setConfig(src.config(), src.width(), src.height()); 2215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 2225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(fTarget.fX, fTarget.fY, 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width() - fKernelSize.fWidth + 1, 2255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.height() - fKernelSize.fHeight + 1); 2265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect top = SkIRect::MakeWH(src.width(), fTarget.fY); 2275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(0, interior.bottom(), 2285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width(), src.height()); 2295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect left = SkIRect::MakeXYWH(0, interior.top(), 2305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget.fX, interior.height()); 2315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 2325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width(), interior.bottom()); 2335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, top); 2345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, left); 2355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterInteriorPixels(src, result, interior); 2365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, right); 2375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, bottom); 2385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 2395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 2423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 2443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 2463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 2483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 2493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 2500ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 2510ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 2520ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 2530ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 2540ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 2550ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 2560ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 2570ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 2586340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 2596340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 2606340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 2616340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 2626340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 2636340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com target, 2646340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 2656340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 266a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 2670ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 2683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 2693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2700263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 2710263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 2720263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 2730263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 2740263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 2750263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 2763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 2773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 2783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 2793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 2803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 2813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 2823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 2833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 2843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 285422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 2863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2870263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 2880263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 289396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 2903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 2920ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 2930ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 2940ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 2950ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 2960ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 2970ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 2980ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 2990ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3000ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3018a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 30268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 3073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 3083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 311f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 3143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 31622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 3173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 318396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 3196340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrEffectRef& effect); 32022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 3212eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com const GrEffectStage&, 32222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 32322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* vertexCoords, 32422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 32522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 32622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 3273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3282eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com static inline EffectKey GenKey(const GrEffectStage&, const GrGLCaps&); 3293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 33028a15fb8d603847949a61657ef5cb73ed9915021bsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrEffectStage&) SK_OVERRIDE; 3313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 3343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 33517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 33617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 33717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 33817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 33917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 34017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 34117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fTargetUni; 34217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 34317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 3443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 34517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com GrGLEffectMatrix fEffectMatrix; 346374e75956e7a56bbbd2da5509f9c4117512515d2bsalomon@google.com 34722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 350396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 3516340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrEffectRef& effect) 352374e75956e7a56bbbd2da5509f9c4117512515d2bsalomon@google.com : INHERITED(factory) 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fKernelUni(GrGLUniformManager::kInvalidUniformHandle) 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fImageIncrementUni(GrGLUniformManager::kInvalidUniformHandle) 3553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fTargetUni(GrGLUniformManager::kInvalidUniformHandle) 3563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fGainUni(GrGLUniformManager::kInvalidUniformHandle) 3573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fBiasUni(GrGLUniformManager::kInvalidUniformHandle) { 3586340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& m = CastEffect<GrMatrixConvolutionEffect>(effect); 3593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 3603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 3613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 3623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 3653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 3663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 3673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 3683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString* code = &builder->fFSCode; 3693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 3713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org clampedCoord.printf("clamp(%s, 0.0, 1.0)", coord); 3733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 3743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 3763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org clampedCoord.printf("fract(%s)", coord); 3773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 3783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 3803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("clamp(%s, 0.0, 1.0) != %s ? vec4(0, 0, 0, 0) : ", coord, coord); 3813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 3833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org builder->appendTextureLookup(code, sampler, coord); 3843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 38622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 3872eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com const GrEffectStage&, 38817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 38922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* vertexCoords, 39022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 39122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 39222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 39317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com const char* coords; 39417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, vertexCoords, &coords); 39522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 39622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 39722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_ShaderType, 39822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Kernel", fKernelSize.width() * fKernelSize.height()); 39922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 40022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "Target"); 40122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 40222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 40322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 40422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 40522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString* code = &builder->fFSCode; 4073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 4093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 41717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com code->appendf("\t\tvec2 coord = %s - %s * %s;\n", coords, target, imgInc); 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 4193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 4213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 4223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tvec4 c = "); 4233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", fTileMode); 4243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf(";\n"); 4253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 4263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tc.rgb /= c.a;\n"); 4273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 4283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tsum += c * k;\n"); 4293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t}\n"); 4303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t}\n"); 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 4323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", outputColor, outputColor, outputColor); 4343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 4359f7827fcd9268a6f3066dd05117293950e467720senorblanco@chromium.org code->appendf("\t\tvec4 c = "); 43617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com appendTextureLookup(builder, samplers[0], coords, fTileMode); 4379f7827fcd9268a6f3066dd05117293950e467720senorblanco@chromium.org code->appendf(";\n"); 4389f7827fcd9268a6f3066dd05117293950e467720senorblanco@chromium.org code->appendf("\t\t%s.a = c.a;\n", outputColor); 4393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 4403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 4413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 4473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 4483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 4493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 450dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 4513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 4523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4562eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrEffectStage& s, const GrGLCaps&) { 4576340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& m = GetEffectFromStage<GrMatrixConvolutionEffect>(s); 45846fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 4593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 4603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 4614187a2fc71e9f72401e5314a1dca41a556096c51robertphillips@google.com key <<= GrGLEffectMatrix::kKeyBits; 46217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey matrixKey = GrGLEffectMatrix::GenKey(m.getMatrix(), 46317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com s.getCoordChangeMatrix(), 46417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com m.texture(0)); 46517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com return key | matrixKey; 4663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 46928a15fb8d603847949a61657ef5cb73ed9915021bsalomon@google.com const GrEffectStage& stage) { 4706340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& effect = GetEffectFromStage<GrMatrixConvolutionEffect>(stage); 4712d0baded0f45dfde9dc8c25313ff14ea18c0c915bsalomon@google.com GrTexture& texture = *effect.texture(0); 4723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 4733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrAssert(effect.kernelSize() == fKernelSize); 4743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrAssert(effect.tileMode() == fTileMode); 4753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 476ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 4773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 478027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 4793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fImageIncrementUni, 0, 1, imageIncrement); 4803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fTargetUni, 0, 1, effect.target()); 4813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1fv(fKernelUni, 0, fKernelSize.width() * fKernelSize.height(), effect.kernel()); 4823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1f(fGainUni, effect.gain()); 4833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1f(fBiasUni, effect.bias()); 48417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com fEffectMatrix.setData(uman, 48517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com effect.getMatrix(), 48617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com stage.getCoordChangeMatrix(), 48717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com effect.texture(0)); 4883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 4913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 4923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 4933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 4943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 4953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 4963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 4973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 49817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 4993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 508528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[0] = static_cast<float>(target.x()); 509528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[1] = static_cast<float>(target.y()); 5103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 5143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 516396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 517396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 5183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5208a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 5216340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 52268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 5233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 5243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org !memcmp(fKernel, s.kernel(), fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 5263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 5273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 5283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 5293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 5303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 532f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 5333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 534dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 5353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 5373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 53873a9694b4ceb67547e5863db5315488e7d5294f7bsalomon@google.comGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkMWCRandom* random, 5390ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 5400ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 5416f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 5426f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 5433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 5443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 5453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 5463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar* kernel = new SkScalar[width * height]; 5473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 5483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kernel[i] = random->nextSScalar1(); 5493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 5513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 5523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 5533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 5543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 5553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 5560ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 5570ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 5580ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernel, 5590ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 5600ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 5610ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com target, 5620ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 5630ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 5643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5670ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 5688ea78d83dc4e8243c16eedf8100a3987c54123fabsalomon@google.com GrTexture* texture) const { 5693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool ok = fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 570021fc736f89fddac4f26b3f32f50263ff8fe3279bsalomon@google.com if (ok && effect) { 5710ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com *effect = GrMatrixConvolutionEffect::Create(texture, 5720ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fKernelSize, 5730ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fKernel, 5740ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fGain, 5750ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fBias, 5760ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fTarget, 5770ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fTileMode, 5780ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com fConvolveAlpha); 5793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return ok; 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 5843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 586