SkMatrixConvolutionImageFilter.cpp revision d3baf20dd1de9940717dd50b5c9ff6061561342e
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) { 62025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org // We need to be able to read at most SK_MaxS32 bytes, so divide that 63025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org // by the size of a scalar to know how many scalars we can read. 64025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org static const int32_t kMaxSize = SK_MaxS32 / sizeof(SkScalar); 655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fWidth = buffer.readInt(); 665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fKernelSize.fHeight = buffer.readInt(); 67d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) && 68d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // Make sure size won't be larger than a signed int, 69d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // which would still be extremely large for a kernel, 70d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org // but we don't impose a hard limit for kernel size 71025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org (kMaxSize / fKernelSize.fWidth >= fKernelSize.fHeight)) { 72025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org size_t size = fKernelSize.fWidth * fKernelSize.fHeight; 73d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = SkNEW_ARRAY(SkScalar, size); 74025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org SkDEBUGCODE(bool success =) buffer.readScalarArray(fKernel, size); 75025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org SkASSERT(success); 76d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } else { 77d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org fKernel = 0; 78d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org } 795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fGain = buffer.readScalar(); 805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fBias = buffer.readScalar(); 81528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fX = buffer.readInt(); 82528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget.fY = buffer.readInt(); 835faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org fTileMode = (TileMode) buffer.readInt(); 848640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org fConvolveAlpha = buffer.readBool(); 85d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org buffer.validate((fKernel != 0) && 86d594dbec0407343b7ac13af9c4580ec5933ab060commit-bot@chromium.org SkScalarIsFinite(fGain) && 87c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org SkScalarIsFinite(fBias) && 88c0b7e10c6a68f59e1653e6c18e6bc954b3c3f0cfcommit-bot@chromium.org tile_mode_is_valid(fTileMode)); 895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 905faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 915faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { 925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 98528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fX); 99528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org buffer.writeInt(fTarget.fY); 1005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 1018640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 1025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1045faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1107938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1177938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = SkPin32(x, bounds.fLeft, bounds.fRight - 1); 1197938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = SkPin32(y, bounds.fTop, bounds.fBottom - 1); 1205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 1255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = (x - bounds.left()) % bounds.width() + bounds.left(); 1287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = (y - bounds.top()) % bounds.height() + bounds.top(); 1297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.left()) { 1307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x += bounds.width(); 1315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1327938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (y < bounds.top()) { 1337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y += bounds.height(); 1345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1355faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1365faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1417938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { 1435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1445faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1455faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1517938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1567938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop); 1575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1585faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1605faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1617938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, 1627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x + cx - fTarget.fX, 1637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y + cy - fTarget.fY, 1647938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds); 1655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1668640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1678640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1688640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1715faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1735faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1758640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 177cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 178cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 179cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1808640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1817938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y, bounds)); 1828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1838640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1848640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1858640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1865faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1875faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1885faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1895faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1908640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1927938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 1947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 1958640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 1967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect, bounds); 1978640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect, bounds); 1998640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2008640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2018640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2027938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, 2037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2047938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 2057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 2067938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds); 2075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2097938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, 2107938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2117938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 2127938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds) { 2135faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 2145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 2157938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect, bounds); 2165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 2187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect, bounds); 2195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 2217938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect, bounds); 2225faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 226377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 2278640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 2288640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 2298640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 2308640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 2318640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 2328640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 2338640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2348640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2358640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 2368640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.setConfig(src.config(), src.width(), src.height()); 2378640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org result.allocPixels(); 2388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!result.getPixels()) { 2398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2408640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 2428640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 2438640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 2448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 2458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 2468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 2498640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2535faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkMatrix& matrix, 2545faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 2555faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIPoint* loc) { 25668400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 25768400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) { 25868400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 25968400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 26068400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 2615faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (src.config() != SkBitmap::kARGB_8888_Config) { 2625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2635faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds; 2667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org src.getBounds(&bounds); 2677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (!this->applyCropRect(&bounds, matrix)) { 2687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org return false; 2697938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org } 2707938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org 2718640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2728640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2738640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2755faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2807938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org result->setConfig(src.config(), bounds.width(), bounds.height()); 2815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org result->allocPixels(); 2825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2837938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fTarget.fX, 2847938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.top() + fTarget.fY, 2857938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.width() - fKernelSize.fWidth + 1, 2867938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.height() - fKernelSize.fHeight + 1); 2877938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect top = SkIRect::MakeLTRB(bounds.left(), bounds.top(), bounds.right(), interior.top()); 2887938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bottom = SkIRect::MakeLTRB(bounds.left(), interior.bottom(), 2897938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), bounds.bottom()); 2907938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect left = SkIRect::MakeLTRB(bounds.left(), interior.top(), 2917938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org interior.left(), interior.bottom()); 2925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkIRect right = SkIRect::MakeLTRB(interior.right(), interior.top(), 2937938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds.right(), interior.bottom()); 2947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, top, bounds); 2957938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, left, bounds); 2967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterInteriorPixels(src, result, interior, bounds); 2977938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, right, bounds); 2987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterBorderPixels(src, result, bottom, bounds); 2997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fX += bounds.fLeft; 3007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org loc->fY += bounds.fTop; 3015faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return true; 3025faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 3033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 3053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 3073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 3093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 3113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 3123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 3130ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 3147938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3150ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3160ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3170ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3180ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3190ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3200ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3210ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 3226340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 3237938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 3246340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 3256340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 3266340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 3276340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 3286340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com target, 3296340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 3306340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 331a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 3320ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 3333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 3343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3350263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 3360263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 3370263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 3380263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 3390263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 3400263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 3413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 3427938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds() const { return fBounds; } 3433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 3443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* target() const { return fTarget; } 3453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 3463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 3473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 3483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 3493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 3503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 351422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 3523bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 353396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3560ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 3577938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3580ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3590ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3600ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3610ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 3620ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkIPoint& target, 3630ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3640ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3650ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3668a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 36768b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect fBounds; 3693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 3733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fTarget[2]; 3743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 377f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 3803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 3813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 38222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 3833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 384396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 385c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& effect); 38622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 387c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 38822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 38922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 39022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 39177af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray&, 39222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 3933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 394c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); 3953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 396c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; 3973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 4003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 40117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 40217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 40317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 40417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 4057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org UniformHandle fBoundsUni; 40617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 40717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 40817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fTargetUni; 40917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 41017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 4113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 41222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 4133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 415396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 416c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) 41777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com : INHERITED(factory) { 418c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 4193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 4213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 4223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 4253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 4263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 4277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds, 4283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 4293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 4303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 4327938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds); 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 4367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds); 4373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 4407938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord); 4413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 44374a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org builder->fsAppendTextureLookup(sampler, coord); 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 44622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 447c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 44817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 44922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 45022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 45177af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray& coords, 45222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 453a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org sk_ignore_unused_variable(inputColor); 45477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com SkString coords2D = builder->ensureFSCoords2D(coords, 0); 4557938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 4567938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kVec4f_GrSLType, "Bounds"); 45774a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 45822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 45974a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, 4607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kFloat_GrSLType, 4617938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org "Kernel", 4627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height()); 46374a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fTargetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46422a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "Target"); 46574a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 46774a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 46822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 46922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4707938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds = builder->getUniformCStr(fBoundsUni); 4713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* target = builder->getUniformCStr(fTargetUni); 4723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4783bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 479f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 48077af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), target, imgInc); 481f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 482f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 483f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 484f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 485f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tvec4 c = "); 4867938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode); 487f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 4883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 489f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n"); 4903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 491f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tsum += c * k;\n"); 492f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t}\n"); 493f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t}\n"); 4943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 495f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 4967938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", 4977938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org outputColor, outputColor, outputColor); 4983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 499f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 c = "); 5007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode); 501f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 502f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor); 503f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 504f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 5053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 5093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 5113bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 5123bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 5133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 514dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 5153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 5163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 5193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 520c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, 521c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGLCaps&) { 522c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 52346fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 5243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 52677af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com return key; 5273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 530c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 531c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 532c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com GrTexture& texture = *conv.texture(0); 5333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 53496ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.kernelSize() == fKernelSize); 53596ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.tileMode() == fTileMode); 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 537ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 5383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 539027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 540d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set2fv(fImageIncrementUni, 1, imageIncrement); 541d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set2fv(fTargetUni, 1, conv.target()); 542d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set1fv(fKernelUni, fKernelSize.width() * fKernelSize.height(), conv.kernel()); 543c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fGainUni, conv.gain()); 544c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fBiasUni, conv.bias()); 5457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds = conv.bounds(); 5462a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float left = (float) bounds.left() / texture.width(); 5472a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float top = (float) bounds.top() / texture.height(); 5482a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float right = (float) bounds.right() / texture.width(); 5492a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float bottom = (float) bounds.bottom() / texture.height(); 5502a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org if (texture.origin() == kBottomLeft_GrSurfaceOrigin) { 5512a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top); 5522a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } else { 5532a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, top, right, bottom); 5542a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } 5553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 5587938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 5593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 5603bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 5613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 5623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 5633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkIPoint& target, 5643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 5653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 56617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 5677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBounds(bounds), 5683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5713bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5733bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 577528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[0] = static_cast<float>(target.x()); 578528952b5afea0e82bf6db9ef22128533d50ef9e3senorblanco@chromium.org fTarget[1] = static_cast<float>(target.y()); 579a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org this->setWillNotUseInputColor(); 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 5833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 5843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 586396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 587396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 5883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5908a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 5916340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 59268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 5933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 5947938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org !memcmp(fKernel, s.kernel(), 5957938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 5963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 5973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 5983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTarget == s.target() && 5993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 6003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 6013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 603f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 6043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 605dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 6063bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 6073bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 6083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 609e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 6100ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 611c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com const GrDrawTargetCaps&, 6120ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 6136f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 6146f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 6153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 6163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 6173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 61835300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]); 6193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 62035300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get()[i] = random->nextSScalar1(); 6213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 6223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 6233bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 6243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkIPoint target = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 6253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org random->nextRangeU(0, kernelSize.height())); 6267938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()), 6277938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height()), 6287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->width()), 6297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height())); 6303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 6313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 6320ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 6337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 6340ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 63535300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get(), 6360ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 6370ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 6380ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com target, 6390ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 6400ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 6413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6430ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 6444e16bb2a322f2bd16cb1afd2f78c27e420a4b9dbsenorblanco@chromium.org GrTexture* texture, 6457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkMatrix&, 6467938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds 6477938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org ) const { 648d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org if (!effect) { 649d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 6503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 651d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE); 652d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org *effect = GrMatrixConvolutionEffect::Create(texture, 6537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 654d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernelSize, 655d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernel, 656d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fGain, 657d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fBias, 658d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTarget, 659d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTileMode, 660d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fConvolveAlpha); 661d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return true; 6623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 6653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 667