SkMatrixConvolutionImageFilter.cpp revision ae761f7545d8ebf181d220169afac2056b057b8c
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" 118b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkReadBuffer.h" 128b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkWriteBuffer.h" 135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org#include "SkRect.h" 148640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org#include "SkUnPreMultiply.h" 155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 17d698f77c13d97c61109b861eac4d25b14a5de935bsalomon@google.com#include "gl/GrGLEffect.h" 18dbe49f735484f8862e378b63d0a074a301093dd0bsalomon@google.com#include "effects/GrSingleTextureEffect.h" 192eaaefd7e6a58339b3f93333f1e9cc92252cc303bsalomon@google.com#include "GrTBackendEffectFactory.h" 2017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "GrTexture.h" 2117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com#include "SkMatrix.h" 223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 24c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.orgstatic bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode) { 25c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org switch (tileMode) { 26c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 27c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 28c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 29c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org return true; 30c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org default: 31c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org break; 32c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org } 33c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org return false; 34c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org} 35c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org 367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter( 377938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkISize& kernelSize, 387938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkScalar* kernel, 397938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar gain, 407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkScalar bias, 417938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIPoint& target, 427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org TileMode tileMode, 437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bool convolveAlpha, 447938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkImageFilter* input, 457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const CropRect* cropRect) 467938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org : INHERITED(input, cropRect), 475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize(kernelSize), 485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain(gain), 495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias(bias), 505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTarget(target), 518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fTileMode(tileMode), 528640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; 545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org memcpy(fKernel, kernel, size * sizeof(SkScalar)); 563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); 575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); 585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); 595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 618b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgSkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkReadBuffer& buffer) 62ce33d60187718e7bb01944ee130c9f5d9fb335eccommit-bot@chromium.org : INHERITED(1, buffer) { 63025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org // We need to be able to read at most SK_MaxS32 bytes, so divide that 64025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org // by the size of a scalar to know how many scalars we can read. 65025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org static const int32_t kMaxSize = SK_MaxS32 / sizeof(SkScalar); 665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 68d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) && 69d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // Make sure size won't be larger than a signed int, 70d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // which would still be extremely large for a kernel, 71d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // but we don't impose a hard limit for kernel size 72025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org (kMaxSize / fKernelSize.fWidth >= fKernelSize.fHeight)) { 73025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org size_t size = fKernelSize.fWidth * fKernelSize.fHeight; 74d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 75025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org SkDEBUGCODE(bool success =) buffer.readScalarArray(fKernel, size); 76025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org SkASSERT(success); 77d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } else { 78d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = 0; 79d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } 805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 82528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fX = buffer.readInt(); 83528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fY = buffer.readInt(); 845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 858640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 86d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org buffer.validate((fKernel != 0) && 87d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org SkScalarIsFinite(fGain) && 88c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org SkScalarIsFinite(fBias) && 89c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org tile_mode_is_valid(fTileMode)); 905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 915faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 928b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const { 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 99528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fX); 100528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fY); 1015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 1028640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1117938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 1175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1197938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = SkPin32(x, bounds.fLeft, bounds.fRight - 1); 1207938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = SkPin32(y, bounds.fTop, bounds.fBottom - 1); 1215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 1265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = (x - bounds.left()) % bounds.width() + bounds.left(); 1297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = (y - bounds.top()) % bounds.height() + bounds.top(); 1307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.left()) { 1317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x += bounds.width(); 1325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (y < bounds.top()) { 1347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y += bounds.height(); 1355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { 1445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 155ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 1565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1577938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop); 1585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, 1637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x + cx - fTarget.fX, 1647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y + cy - fTarget.fY, 1657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds); 1665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1678640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1688640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1698640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1745faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1758640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1768640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 178cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 179cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 180cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1818640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1827938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y, bounds)); 1838640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1848640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1858640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1868640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1918640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 195ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 1968640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1977938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect, bounds); 1988640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect, bounds); 2008640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2018640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2028640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, 2047938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 206ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 2077938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds); 2085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2107938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, 2117938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2127938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 213ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 2145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 2155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 2167938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect, bounds); 2175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 2197938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect, bounds); 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 2227938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect, bounds); 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 227377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 2288640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 2298640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 2308640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 2318640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 2328640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 2338640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 2348640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2358640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2368640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 2378640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 2388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 2398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 2408640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2428640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 2438640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 2448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 2458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 2468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 2478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2498640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 2508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 2555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 256ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org SkIPoint* offset) const { 25768400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 2586776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org SkIPoint srcOffset = SkIPoint::Make(0, 0); 2596776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, &srcOffset)) { 26068400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 26168400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 26268400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 2635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds; 2687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org src.getBounds(&bounds); 2696776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org bounds.offset(srcOffset); 2707938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (!this->applyCropRect(&bounds, matrix)) { 2717938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org return false; 2727938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org } 2737938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org 2748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2758640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2768640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2778640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2837938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org result->setConfig(src.config(), bounds.width(), bounds.height()); 2845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 285cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org if (!result->getPixels()) { 286cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org return false; 287cd3b15ca6364a04b0eeeb4f89c7daa8aefe854c8commit-bot@chromium.org } 2885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2896776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org offset->fX = bounds.fLeft; 2906776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org offset->fY = bounds.fTop; 2916776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org bounds.offset(-srcOffset); 2927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fTarget.fX, 2937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.top() + fTarget.fY, 2947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.width() - fKernelSize.fWidth + 1, 2957938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.height() - fKernelSize.fHeight + 1); 2967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect top = SkIRect::MakeLTRB(bounds.left(), bounds.top(), bounds.right(), interior.top()); 2977938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(bounds.left(), interior.bottom(), 2987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), bounds.bottom()); 2997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect left = SkIRect::MakeLTRB(bounds.left(), interior.top(), 3007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org interior.left(), interior.bottom()); 3015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 3027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), interior.bottom()); 3037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, top, bounds); 3047938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, left, bounds); 3057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterInteriorPixels(src, result, interior, bounds); 3067938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, right, bounds); 3077938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, bottom, bounds); 3085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 3095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 3103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 3123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 3143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 3163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 3183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 3193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 3200ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 3217938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3220ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3230ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3240ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3250ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3260ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3270ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3280ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 3296340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 3307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 3316340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 3326340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 3336340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 3346340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 3356340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com target, 3366340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 3376340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 338a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 3390ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 3403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 3413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3420263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 3430263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 3440263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 3450263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 3460263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 3470263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 3497938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds() const { return fBounds; } 3503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 3513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 3523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 3553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 3563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 3573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 358422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 3593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 360396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 3613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3630ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 3647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3650ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3660ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3670ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3680ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3690ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3700ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3710ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3720ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3738a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 37468b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3757938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect fBounds; 3763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 3803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 3813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 384f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 3873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 38922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 3903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 391396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 392c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& effect); 39322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 394c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 39522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 39622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 39722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 39877af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray&, 39922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 4003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 401c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); 4023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 403c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; 4043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 4063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 4073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 40817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 40917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 41017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 41117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 4127938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org UniformHandle fBoundsUni; 41317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 41417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 41517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fTargetUni; 41617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 41717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 41922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 422396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 423c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) 42477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com : INHERITED(factory) { 425c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 4263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 4273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 4283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 4293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 4323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 4347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds, 4353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 4363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 4373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 4383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 4397938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds); 4403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 4437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds); 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 4477938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord); 4483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 45074a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org builder->fsAppendTextureLookup(sampler, coord); 4513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 45322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 454c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 45517fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 45622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 45722a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 45877af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray& coords, 45922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 460a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org sk_ignore_unused_variable(inputColor); 46177af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com SkString coords2D = builder->ensureFSCoords2D(coords, 0); 4627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 4637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kVec4f_GrSLType, "Bounds"); 46474a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 46674a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, 4677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kFloat_GrSLType, 4687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org "Kernel", 4697938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height()); 47074a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 47122a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "Target"); 47274a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 47322a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 47474a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 47522a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 47622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4777938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds = builder->getUniformCStr(fBoundsUni); 4783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 4793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 486f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 48777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), target, imgInc); 488f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 489f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 490f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 491f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 492f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tvec4 c = "); 4937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode); 494f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 4953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 496f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n"); 4973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 498f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tsum += c * k;\n"); 499f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t}\n"); 500f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t}\n"); 5013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 502f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 5037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", 5047938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org outputColor, outputColor, outputColor); 5053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 506f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 c = "); 5077938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode); 508f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 509f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor); 510f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 511f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 5123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 5163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 5183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 5193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 5203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 521dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 5223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 5233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 5263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 527c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, 528c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGLCaps&) { 529c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 53046fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 5313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 5323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 53377af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com return key; 5343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 537c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 538c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 539c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com GrTexture& texture = *conv.texture(0); 5403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 54196ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.kernelSize() == fKernelSize); 54296ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.tileMode() == fTileMode); 5433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 544ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 5453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 546027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 547d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set2fv(fImageIncrementUni, 1, imageIncrement); 548d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set2fv(fTargetUni, 1, conv.target()); 549d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set1fv(fKernelUni, fKernelSize.width() * fKernelSize.height(), conv.kernel()); 550c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fGainUni, conv.gain()); 551c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fBiasUni, conv.bias()); 5527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds = conv.bounds(); 5532a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float left = (float) bounds.left() / texture.width(); 5542a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float top = (float) bounds.top() / texture.height(); 5552a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float right = (float) bounds.right() / texture.width(); 5562a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float bottom = (float) bounds.bottom() / texture.height(); 5572a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org if (texture.origin() == kBottomLeft_GrSurfaceOrigin) { 5582a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top); 5592a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } else { 5602a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, top, right, bottom); 5612a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } 5623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 5657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 5663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 5673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 5683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 5693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 5703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 5713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 5723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 57317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 5747938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBounds(bounds), 5753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 584528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[0] = static_cast<float>(target.x()); 585528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[1] = static_cast<float>(target.y()); 586a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org this->setWillNotUseInputColor(); 5873bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 5903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 5913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 593396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 594396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 5953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5978a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 5986340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 59968b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 6003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 6017938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org !memcmp(fKernel, s.kernel(), 6027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 6033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 6043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 6053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 6063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 6073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 6083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 610f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 6113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 612dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 6133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 6143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 6153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 616e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 6170ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 618c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com const GrDrawTargetCaps&, 6190ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 6206f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 6216f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 6223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 6233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 6243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 62535300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]); 6263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 62735300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get()[i] = random->nextSScalar1(); 6283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 6293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 6303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 6313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 6323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 6337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()), 6347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height()), 6357938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->width()), 6367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height())); 6373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 6383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 6390ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 6407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 6410ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 64235300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get(), 6430ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 6440ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 6450ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com target, 6460ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 6470ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 6483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6500ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 6514e16bb2a322f2bd16cb1afd2f78c27e420a4b9dbsenorblanco@chromium.org GrTexture* texture, 6527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkMatrix&, 6537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds 6547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org ) const { 655d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org if (!effect) { 656d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 6573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 658d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE); 659d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org *effect = GrMatrixConvolutionEffect::Create(texture, 6607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 661d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernelSize, 662d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernel, 663d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fGain, 664d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fBias, 665d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTarget, 666d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTileMode, 667d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fConvolveAlpha); 668d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return true; 6693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 6723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 674