SkMatrixConvolutionImageFilter.cpp revision 3bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8
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 163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#include "gl/GrGLProgramStage.h" 173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 198640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(const SkISize& kernelSize, const SkScalar* kernel, SkScalar gain, SkScalar bias, const SkIPoint& target, TileMode tileMode, bool convolveAlpha, SkImageFilter* input) 205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org : INHERITED(input), 215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize(kernelSize), 225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain(gain), 235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias(bias), 245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget(target), 258640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fTileMode(tileMode), 268640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org memcpy(fKernel, kernel, size * sizeof(SkScalar)); 303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); 315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); 325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); 335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) { 365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t readSize = buffer.readScalarArray(fKernel); 415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(readSize == size); 425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget.fX = buffer.readScalar(); 455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget.fY = buffer.readScalar(); 465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { 515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fTarget.fX); 585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fTarget.fY); 595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 608640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x = SkClampMax(x, src.width() - 1); 785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y = SkClampMax(y, src.height() - 1); 795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 835faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 855faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x %= src.width(); 875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y %= src.height(); 885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (x < 0) { 895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org x += src.width(); 905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 915faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (y < 0) { 925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org y += src.height(); 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 995faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y) { 1015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (x < 0 || x >= src.width() || y < 0 || y >= src.height()) { 1025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1098640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft, y); 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, x + cx - fTarget.fX, y + cy - fTarget.fY); 1185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1198640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1208640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1218640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1278640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1288640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 130cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 131cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 132cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1338640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y)); 1358640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1368640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1378640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1438640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect); 1478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect); 1498640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 1518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 1525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect); 1545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, SkBitmap* result, const SkIRect& rect) { 1575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 1585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 1595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect); 1605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 1625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect); 1635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 1655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect); 1665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 1675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1708640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// FIXME: This should be refactored to SkSingleInputImageFilter for 1718640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 1728640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 1738640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 1748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 1758640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 1768640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 1778640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 1788640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1798640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 1808640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 1818640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 1828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 1838640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 1848640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1858640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 1868640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 1878640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 1888640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 1898640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 1908640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1918640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1928640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 1938640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 1948640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 1955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 1965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 1975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 1985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 1995faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIPoint* loc) { 2005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap src = this->getInputResult(proxy, source, matrix, loc); 2015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2058640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2068640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2078640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2088640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->setConfig(src.config(), src.width(), src.height()); 2155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 2165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(fTarget.fX, fTarget.fY, 2185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width() - fKernelSize.fWidth + 1, 2195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.height() - fKernelSize.fHeight + 1); 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect top = SkIRect::MakeWH(src.width(), fTarget.fY); 2215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(0, interior.bottom(), 2225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width(), src.height()); 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect left = SkIRect::MakeXYWH(0, interior.top(), 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget.fX, interior.height()); 2255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 2265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org src.width(), interior.bottom()); 2275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, top); 2285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, left); 2295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterInteriorPixels(src, result, interior); 2305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, right); 2315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org filterBorderPixels(src, result, bottom); 2325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 2335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 2363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 2383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 2403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 2423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 2433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 2443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrMatrixConvolutionEffect(GrTexture*, 2453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 2463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 2473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 2483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 2493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 2503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 2513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha); 2523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 2533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 2553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 2563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 2573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 2583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 2593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 2603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 2613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 2623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLMatrixConvolutionEffect GLProgramStage; 2643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual const GrProgramStageFactory& getFactory() const SK_OVERRIDE; 2663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual bool isEqual(const GrCustomStage&) const SK_OVERRIDE; 2673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 2693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 2703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 2713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 2723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 2733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 2743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 2753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 2763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GR_DECLARE_CUSTOM_STAGE_TEST; 2783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 2803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 2813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect : public GrGLProgramStage { 2833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 2843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrGLMatrixConvolutionEffect(const GrProgramStageFactory& factory, 2853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrCustomStage& stage); 2863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual void setupVariables(GrGLShaderBuilder* builder) SK_OVERRIDE; 2873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual void emitVS(GrGLShaderBuilder* state, 2883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* vertexCoords) SK_OVERRIDE {} 2893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual void emitFS(GrGLShaderBuilder* state, 2903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* outputColor, 2913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* inputColor, 2923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const TextureSamplerArray&) SK_OVERRIDE; 2933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static inline StageKey GenKey(const GrCustomStage& s, const GrGLCaps& caps); 2953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 2963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual void setData(const GrGLUniformManager&, 2973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrCustomStage&, 2983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrRenderTarget*, 2993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int stageNum) SK_OVERRIDE; 3003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 3033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 3043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org UniformHandle fKernelUni; 3093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org UniformHandle fImageIncrementUni; 3103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org UniformHandle fTargetUni; 3113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org UniformHandle fGainUni; 3123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org UniformHandle fBiasUni; 3133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrProgramStageFactory& factory, 3163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrCustomStage& stage) 3173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : GrGLProgramStage(factory) 3183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fKernelUni(GrGLUniformManager::kInvalidUniformHandle) 3193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fImageIncrementUni(GrGLUniformManager::kInvalidUniformHandle) 3203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fTargetUni(GrGLUniformManager::kInvalidUniformHandle) 3213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fGainUni(GrGLUniformManager::kInvalidUniformHandle) 3223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org , fBiasUni(GrGLUniformManager::kInvalidUniformHandle) { 3233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrMatrixConvolutionEffect& m = static_cast<const GrMatrixConvolutionEffect&>(stage); 3243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 3253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 3263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 3273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setupVariables(GrGLShaderBuilder* builder) { 3303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 3313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kVec2f_GrSLType, "ImageIncrement"); 3323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_ShaderType, 3333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kFloat_GrSLType, "Kernel", fKernelSize.width() * fKernelSize.height()); 3343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 3353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kVec2f_GrSLType, "Target"); 3363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 3373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kFloat_GrSLType, "Gain"); 3383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, 3393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kFloat_GrSLType, "Bias"); 3403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 3433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 3443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 3453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 3463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString* code = &builder->fFSCode; 3473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 3493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 3503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org clampedCoord.printf("clamp(%s, 0.0, 1.0)", coord); 3513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 3523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org clampedCoord.printf("fract(%s)", coord); 3553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 3563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 3583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("clamp(%s, 0.0, 1.0) != %s ? vec4(0, 0, 0, 0) : ", coord, coord); 3593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 3603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 3613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org builder->appendTextureLookup(code, sampler, coord); 3623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 3633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::emitFS(GrGLShaderBuilder* builder, 3653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* outputColor, 3663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* inputColor, 3673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const TextureSamplerArray& samplers) { 3683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString* code = &builder->fFSCode; 3693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 3713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 3733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 3743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 3753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 3763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 3773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 3793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\tvec2 coord = %s - %s * %s;\n", 3803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org builder->defaultTexCoordsName(), target, imgInc); 3813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 3823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 3833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 3843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 3853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tvec4 c = "); 3863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", fTileMode); 3873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf(";\n"); 3883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 3893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tc.rgb /= c.a;\n"); 3903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 3913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t\tsum += c * k;\n"); 3923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t\t}\n"); 3933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t}\n"); 3943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 3953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 3963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", outputColor, outputColor, outputColor); 3973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 3983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.a = (", outputColor); 3993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org appendTextureLookup(builder, samplers[0], builder->defaultTexCoordsName(), fTileMode); 4003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf(").a;\n"); 4013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 4023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org code->appendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 4033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 4043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 4073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 4093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 4103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 4113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 4123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org else 4133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 4143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrGLProgramStage::StageKey GrGLMatrixConvolutionEffect::GenKey(const GrCustomStage& s, 4193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLCaps& caps) { 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrMatrixConvolutionEffect& m = static_cast<const GrMatrixConvolutionEffect&>(s); 4213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org StageKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 4223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 4233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 4243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return key; 4253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 4283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrCustomStage& data, 4293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrRenderTarget*, 4303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int stageNum) { 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrMatrixConvolutionEffect& effect = 4323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static_cast<const GrMatrixConvolutionEffect&>(data); 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrGLTexture& texture = 4343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org *static_cast<GrGLTexture*>(data.texture(0)); 4353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 4363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrAssert(effect.kernelSize() == fKernelSize); 4373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrAssert(effect.tileMode() == fTileMode); 4383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 4393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 4403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[1] = 1.0f / texture.height(); 4413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fImageIncrementUni, 0, 1, imageIncrement); 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fTargetUni, 0, 1, effect.target()); 4433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1fv(fKernelUni, 0, fKernelSize.width() * fKernelSize.height(), effect.kernel()); 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1f(fGainUni, effect.gain()); 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set1f(fBiasUni, effect.bias()); 4463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 4493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 4503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 4513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 4523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 4533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 4543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 4553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 4563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : INHERITED(texture), 4573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 4583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 4593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 4603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 4613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 4623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 4633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 4643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 4653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 4663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget[0] = target.x(); 4673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget[1] = target.y(); 4683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 4713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 4723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgconst GrProgramStageFactory& GrMatrixConvolutionEffect::getFactory() const { 4753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return GrTProgramStageFactory<GrMatrixConvolutionEffect>::getInstance(); 4763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgbool GrMatrixConvolutionEffect::isEqual(const GrCustomStage& sBase) const { 4793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrMatrixConvolutionEffect& s = 4803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static_cast<const GrMatrixConvolutionEffect&>(sBase); 4813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return INHERITED::isEqual(sBase) && 4823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 4833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org !memcmp(fKernel, s.kernel(), fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 4843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 4853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 4863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 4873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 4883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 4893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGR_DEFINE_CUSTOM_STAGE_TEST(GrMatrixConvolutionEffect); 4923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// A little bit less than the minimum # uniforms required by DX9SM2 (32). 4943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 4953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 4963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrCustomStage* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 4983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrContext* context, 4993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrTexture* textures[]) { 5003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int texIdx = random->nextBool() ? GrCustomStageUnitTest::kSkiaPMTextureIdx : 5013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrCustomStageUnitTest::kAlphaTextureIdx; 5023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 5033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 5043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 5053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar* kernel = new SkScalar[width * height]; 5063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 5073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kernel[i] = random->nextSScalar1(); 5083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 5103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 5113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 5123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 5143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 5153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return SkNEW_ARGS(GrMatrixConvolutionEffect, (textures[texIdx], 5163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kernelSize, 5173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org kernel, 5183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org gain, 5193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bias, 5203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org target, 5213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org tileMode, 5223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org convolveAlpha)); 5233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::asNewCustomStage(GrCustomStage** stage, 5273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org GrTexture* texture) const { 5283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool ok = fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 5293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (ok && stage) { 5303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org *stage = SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 5313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize, 5323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel, 5333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain, 5343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias, 5353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget, 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode, 5373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha)); 5383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return ok; 5403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 5433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 545