SkMatrixConvolutionImageFilter.cpp revision d594dbec0407343b7ac13af9c4580ec5933ab060
15faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org/* 25faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * Copyright 2012 The Android Open Source Project 35faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * 45faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * Use of this source code is governed by a BSD-style license that can be 55faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org * found in the LICENSE file. 65faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org */ 75faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 85faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkMatrixConvolutionImageFilter.h" 95faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkBitmap.h" 105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkColorPriv.h" 115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkFlattenableBuffers.h" 125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkRect.h" 138640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org#include "SkUnPreMultiply.h" 145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 16d698f77c13d97c61109b861eac4d25b14a5de935bsalomon@google.com#include "gl/GrGLEffect.h" 17dbe49f735484f8862e378b63d0a074a301093dd0bsalomon@google.com#include "effects/GrSingleTextureEffect.h" 182eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com#include "GrTBackendEffectFactory.h" 1917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "GrTexture.h" 2017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "SkMatrix.h" 213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 23c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.orgstatic bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode) { 24c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org switch (tileMode) { 25c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 26c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 27c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 28c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org return true; 29c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org default: 30c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org break; 31c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org } 32c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org return false; 33c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org} 34c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org 357938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter( 367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkISize& kernelSize, 377938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkScalar* kernel, 387938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar gain, 397938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar bias, 407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIPoint& target, 417938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org TileMode tileMode, 427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bool convolveAlpha, 437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkImageFilter* input, 447938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const CropRect* cropRect) 457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org : INHERITED(input, cropRect), 465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize(kernelSize), 475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain(gain), 485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias(bias), 495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget(target), 508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fTileMode(tileMode), 518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org memcpy(fKernel, kernel, size * sizeof(SkScalar)); 553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); 565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); 575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); 585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer) 617938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org : INHERITED(buffer) { 625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 64d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) && 65d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // Make sure size won't be larger than a signed int, 66d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // which would still be extremely large for a kernel, 67d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // but we don't impose a hard limit for kernel size 68d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org (SK_MaxS32 / fKernelSize.fWidth >= fKernelSize.fHeight)) { 69d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 70d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 71d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org uint32_t readSize = buffer.readScalarArray(fKernel); 72d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org SkASSERT(readSize == size); 73d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org buffer.validate(readSize == size); 74d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } else { 75d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = 0; 76d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } 775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 79528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fX = buffer.readInt(); 80528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fY = buffer.readInt(); 815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 83d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org buffer.validate((fKernel != 0) && 84d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org SkScalarIsFinite(fGain) && 85c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org SkScalarIsFinite(fBias) && 86c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org tile_mode_is_valid(fTileMode)); 875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { 905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 915faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 96528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fX); 97528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fY); 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 998640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 1005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1087938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1157938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1167938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = SkPin32(x, bounds.fLeft, bounds.fRight - 1); 1177938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = SkPin32(y, bounds.fTop, bounds.fBottom - 1); 1185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1247938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = (x - bounds.left()) % bounds.width() + bounds.left(); 1267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = (y - bounds.top()) % bounds.height() + bounds.top(); 1277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.left()) { 1287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x += bounds.width(); 1295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (y < bounds.top()) { 1317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y += bounds.height(); 1325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1335faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1397938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { 1415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1497938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1507938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1517938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop); 1555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1597938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, 1607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x + cx - fTarget.fX, 1617938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y + cy - fTarget.fY, 1627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds); 1635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1648640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1658640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1668640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1728640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1738640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 175cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 176cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 177cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1788640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1797938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y, bounds)); 1808640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1818640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1838640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1855faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1888640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1897938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1907938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1938640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect, bounds); 1958640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect, bounds); 1978640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1988640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 1998640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, 2017938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 2037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 2047938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds); 2055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2077938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, 2087938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2097938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 2107938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 2115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 2125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 2137938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect, bounds); 2145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 2167938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect, bounds); 2175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 2197938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect, bounds); 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 224377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 2258640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 2268640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 2278640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 2288640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 2298640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 2308640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 2318640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2328640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2338640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 2348640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 2358640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 2368640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 2378640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 2408640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 2418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 2428640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 2438640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 2448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 2478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 2525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 2535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIPoint* loc) { 25468400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 25568400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) { 25668400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 25768400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 25868400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 2595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds; 2647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org src.getBounds(&bounds); 2657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (!this->applyCropRect(&bounds, matrix)) { 2667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org return false; 2677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org } 2687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org 2698640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2708640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2718640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2728640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2787938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org result->setConfig(src.config(), bounds.width(), bounds.height()); 2795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 2805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2817938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fTarget.fX, 2827938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.top() + fTarget.fY, 2837938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.width() - fKernelSize.fWidth + 1, 2847938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.height() - fKernelSize.fHeight + 1); 2857938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect top = SkIRect::MakeLTRB(bounds.left(), bounds.top(), bounds.right(), interior.top()); 2867938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(bounds.left(), interior.bottom(), 2877938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), bounds.bottom()); 2887938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect left = SkIRect::MakeLTRB(bounds.left(), interior.top(), 2897938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org interior.left(), interior.bottom()); 2905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 2917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), interior.bottom()); 2927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, top, bounds); 2937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, left, bounds); 2947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterInteriorPixels(src, result, interior, bounds); 2957938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, right, bounds); 2967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, bottom, bounds); 2977938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fX += bounds.fLeft; 2987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fY += bounds.fTop; 2995faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 3005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 3013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 3033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 3053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 3073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 3093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 3103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 3110ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 3127938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3130ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3140ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3150ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3160ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3170ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3180ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3190ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 3206340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 3217938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 3226340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 3236340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 3246340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 3256340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 3266340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com target, 3276340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 3286340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 329a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 3300ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 3313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 3323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3330263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 3340263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 3350263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 3360263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 3370263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 3380263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 3393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 3407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds() const { return fBounds; } 3413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 3423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 3433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 3443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 3453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 3463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 3473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 349422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 3503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 351396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 3523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3540ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 3557938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3560ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3570ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3580ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3590ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3600ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3610ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3620ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3630ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3648a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 36568b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect fBounds; 3673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 3713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 375f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 3783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 38022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 3813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 382396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 383c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& effect); 38422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 385c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 38622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 38722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 38822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 38977af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray&, 39022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 3913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 392c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); 3933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 394c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; 3953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 3983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 39917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 40017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 40117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 40217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 4037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org UniformHandle fBoundsUni; 40417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 40517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 40617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fTargetUni; 40717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 40817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 4093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 41022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 4113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 413396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 414c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) 41577af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com : INHERITED(factory) { 416c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 4173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 4193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 4233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 4243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 4257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds, 4263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 4273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 4283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 4293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 4307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds); 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 4347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds); 4353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 4387938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord); 4393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 44174a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org builder->fsAppendTextureLookup(sampler, coord); 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 44422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 445c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 44617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 44722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 44822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 44977af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray& coords, 45022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 451a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org sk_ignore_unused_variable(inputColor); 45277af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com SkString coords2D = builder->ensureFSCoords2D(coords, 0); 4537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 4547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kVec4f_GrSLType, "Bounds"); 45574a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 45622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 45774a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, 4587938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kFloat_GrSLType, 4597938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org "Kernel", 4607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height()); 46174a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "Target"); 46374a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 46574a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 46722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds = builder->getUniformCStr(fBoundsUni); 4693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 4703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 477f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 47877af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), target, imgInc); 479f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 480f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 481f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 482f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 483f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tvec4 c = "); 4847938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode); 485f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 4863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 487f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n"); 4883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 489f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tsum += c * k;\n"); 490f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t}\n"); 491f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t}\n"); 4923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 493f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 4947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", 4957938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org outputColor, outputColor, outputColor); 4963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 497f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 c = "); 4987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode); 499f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 500f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor); 501f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 502f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 5033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 5073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 5093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 5103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 5113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 512dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 5143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 5173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 518c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, 519c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGLCaps&) { 520c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 52146fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 5223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 5233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 52477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com return key; 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 528c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 529c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 530c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com GrTexture& texture = *conv.texture(0); 5313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 53296ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.kernelSize() == fKernelSize); 53396ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.tileMode() == fTileMode); 5343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 535ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 537027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 5383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org uman.set2fv(fImageIncrementUni, 0, 1, imageIncrement); 539c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set2fv(fTargetUni, 0, 1, conv.target()); 540c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1fv(fKernelUni, 0, fKernelSize.width() * fKernelSize.height(), conv.kernel()); 541c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fGainUni, conv.gain()); 542c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fBiasUni, conv.bias()); 5437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds = conv.bounds(); 5442a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float left = (float) bounds.left() / texture.width(); 5452a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float top = (float) bounds.top() / texture.height(); 5462a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float right = (float) bounds.right() / texture.width(); 5472a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float bottom = (float) bounds.bottom() / texture.height(); 5482a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org if (texture.origin() == kBottomLeft_GrSurfaceOrigin) { 5492a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top); 5502a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } else { 5512a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, top, right, bottom); 5522a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } 5533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 5567938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 5573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 5583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 5593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 5603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 5613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 5623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 5633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 56417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 5657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBounds(bounds), 5663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 575528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[0] = static_cast<float>(target.x()); 576528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[1] = static_cast<float>(target.y()); 577a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org this->setWillNotUseInputColor(); 5783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 5823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 584396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 585396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 5863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5888a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 5896340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 59068b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 5913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 5927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org !memcmp(fKernel, s.kernel(), 5937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 5943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 5953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 5963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 5973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 5983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 5993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 601f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 6023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 603dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 6043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 6053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 6063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 607e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 6080ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 609c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com const GrDrawTargetCaps&, 6100ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 6116f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 6126f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 6133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 6143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 6153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 61635300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]); 6173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 61835300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get()[i] = random->nextSScalar1(); 6193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 6203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 6213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 6223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 6233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 6247938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()), 6257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height()), 6267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->width()), 6277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height())); 6283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 6293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 6300ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 6317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 6320ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 63335300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get(), 6340ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 6350ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 6360ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com target, 6370ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 6380ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 6393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6410ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 6424e16bb2a322f2bd16cb1afd2f78c27e420a4b9dbsenorblanco@chromium.org GrTexture* texture, 6437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkMatrix&, 6447938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds 6457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org ) const { 646d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org if (!effect) { 647d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 6483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 649d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE); 650d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org *effect = GrMatrixConvolutionEffect::Create(texture, 6517938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 652d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernelSize, 653d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernel, 654d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fGain, 655d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fBias, 656d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTarget, 657d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTileMode, 658d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fConvolveAlpha); 659d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return true; 6603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 6633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 665