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, 41cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const SkIPoint& kernelOffset, 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), 50cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset(kernelOffset), 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); 57cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkASSERT(kernelOffset.fX >= 0 && kernelOffset.fX < kernelSize.fWidth); 58cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkASSERT(kernelOffset.fY >= 0 && kernelOffset.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(); 82cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset.fX = buffer.readInt(); 83cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset.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) && 8956d135c03e1d38f0b9e17d79a3cbf8db2a915086sugoi tile_mode_is_valid(fTileMode) && 9056d135c03e1d38f0b9e17d79a3cbf8db2a915086sugoi (fKernelOffset.fX >= 0) && (fKernelOffset.fX < fKernelSize.fWidth) && 9156d135c03e1d38f0b9e17d79a3cbf8db2a915086sugoi (fKernelOffset.fY >= 0) && (fKernelOffset.fY < fKernelSize.fHeight)); 925faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 948b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgvoid SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const { 955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org this->INHERITED::flatten(buffer); 965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fWidth); 975faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt(fKernelSize.fHeight); 985faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); 995faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fGain); 1005faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeScalar(fBias); 101cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org buffer.writeInt(fKernelOffset.fX); 102cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org buffer.writeInt(fKernelOffset.fY); 1035faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org buffer.writeInt((int) fTileMode); 1048640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org buffer.writeBool(fConvolveAlpha); 1055faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1065faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1075faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgSkMatrixConvolutionImageFilter::~SkMatrixConvolutionImageFilter() { 1085faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org delete[] fKernel; 1095faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1105faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1115faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass UncheckedPixelFetcher { 1125faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1137938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1165faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1175faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1185faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampPixelFetcher { 1195faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1207938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1217938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = SkPin32(x, bounds.fLeft, bounds.fRight - 1); 1227938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = SkPin32(y, bounds.fTop, bounds.fBottom - 1); 1235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1255faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass RepeatPixelFetcher { 1285faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1297938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1307938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x = (x - bounds.left()) % bounds.width() + bounds.left(); 1317938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y = (y - bounds.top()) % bounds.height() + bounds.top(); 1327938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.left()) { 1337938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org x += bounds.width(); 1345faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1357938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (y < bounds.top()) { 1367938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org y += bounds.height(); 1375faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1385faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1395faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1405faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1415faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1425faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgclass ClampToBlackPixelFetcher { 1435faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgpublic: 1447938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org static inline SkPMColor fetch(const SkBitmap& src, int x, int y, const SkIRect& bounds) { 1457938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org if (x < bounds.fLeft || x >= bounds.fRight || y < bounds.fTop || y >= bounds.fBottom) { 1465faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return 0; 1475faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } else { 1485faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return *src.getAddr32(x, y); 1495faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1505faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1515faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org}; 1525faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1538640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher, bool convolveAlpha> 1547938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1557938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 1568c7372bbe8949f2864bd3d9df00d85c5669a74b1senorblanco@chromium.org const SkIRect& r, 157ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 1588c7372bbe8949f2864bd3d9df00d85c5669a74b1senorblanco@chromium.org SkIRect rect(r); 1598c7372bbe8949f2864bd3d9df00d85c5669a74b1senorblanco@chromium.org if (!rect.intersect(bounds)) { 1609195743aac79a4fa82059ab614b9795f215475f7senorblanco@chromium.org return; 1619195743aac79a4fa82059ab614b9795f215475f7senorblanco@chromium.org } 1625faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int y = rect.fTop; y < rect.fBottom; ++y) { 1637938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor* dptr = result->getAddr32(rect.fLeft - bounds.fLeft, y - bounds.fTop); 1645faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int x = rect.fLeft; x < rect.fRight; ++x) { 1655faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar sumA = 0, sumR = 0, sumG = 0, sumB = 0; 1665faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cy = 0; cy < fKernelSize.fHeight; cy++) { 1675faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org for (int cx = 0; cx < fKernelSize.fWidth; cx++) { 1687938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkPMColor s = PixelFetcher::fetch(src, 169cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org x + cx - fKernelOffset.fX, 170cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org y + cy - fKernelOffset.fY, 1717938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds); 1725faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkScalar k = fKernel[cy * fKernelSize.fWidth + cx]; 1738640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (convolveAlpha) { 1748640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org sumA += SkScalarMul(SkIntToScalar(SkGetPackedA32(s)), k); 1758640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1765faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumR += SkScalarMul(SkIntToScalar(SkGetPackedR32(s)), k); 1775faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumG += SkScalarMul(SkIntToScalar(SkGetPackedG32(s)), k); 1785faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org sumB += SkScalarMul(SkIntToScalar(SkGetPackedB32(s)), k); 1795faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1818640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org int a = convolveAlpha 1828640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org ? SkClampMax(SkScalarFloorToInt(SkScalarMul(sumA, fGain) + fBias), 255) 1833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org : 255; 184cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int r = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumR, fGain) + fBias), a); 185cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int g = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumG, fGain) + fBias), a); 186cc9471c36d3967270f7eb26f8b53ce0f17bc9fbbsenorblanco@chromium.org int b = SkClampMax(SkScalarFloorToInt(SkScalarMul(sumB, fGain) + fBias), a); 1878640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!convolveAlpha) { 1887938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org a = SkGetPackedA32(PixelFetcher::fetch(src, x, y, bounds)); 1898640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPreMultiplyARGB(a, r, g, b); 1908640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 1918640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org *dptr++ = SkPackARGB32(a, r, g, b); 1928640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 1935faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1945faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 1955faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 1965faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 1978640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgtemplate<class PixelFetcher> 1987938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterPixels(const SkBitmap& src, 1997938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2007938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 201ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 2028640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (fConvolveAlpha) { 2037938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, true>(src, result, rect, bounds); 2048640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } else { 2057938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<PixelFetcher, false>(src, result, rect, bounds); 2068640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2078640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2088640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2097938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterInteriorPixels(const SkBitmap& src, 2107938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2117938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 212ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 2137938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<UncheckedPixelFetcher>(src, result, rect, bounds); 2145faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2155faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2167938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.orgvoid SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src, 2177938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkBitmap* result, 2187938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& rect, 219ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org const SkIRect& bounds) const { 2205faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org switch (fTileMode) { 2215faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClamp_TileMode: 2227938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampPixelFetcher>(src, result, rect, bounds); 2235faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2245faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kRepeat_TileMode: 2257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<RepeatPixelFetcher>(src, result, rect, bounds); 2265faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2275faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org case kClampToBlack_TileMode: 2287938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org filterPixels<ClampToBlackPixelFetcher>(src, result, rect, bounds); 2295faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org break; 2305faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2315faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org} 2325faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 233377c14a1e648f4427bd11474fad8ac264d98aff2senorblanco@chromium.org// FIXME: This should be refactored to SkImageFilterUtils for 2348640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// use by other filters. For now, we assume the input is always 2358640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org// premultiplied and unpremultiply it 2368640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.orgstatic SkBitmap unpremultiplyBitmap(const SkBitmap& src) 2378640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org{ 2388640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkAutoLockPixels alp(src); 2398640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!src.getPixels()) { 2408640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2418640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2428640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org SkBitmap result; 243c77392ed58ec78ab19fa0e3ff99fb8110854fba2reed if (!result.allocPixels(src.info())) { 2448640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return SkBitmap(); 2458640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2468640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int y = 0; y < src.height(); ++y) { 2478640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org const uint32_t* srcRow = src.getAddr32(0, y); 2488640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org uint32_t* dstRow = result.getAddr32(0, y); 2498640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org for (int x = 0; x < src.width(); ++x) { 2508640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org dstRow[x] = SkUnPreMultiply::PMColorToColor(srcRow[x]); 2518640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2528640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2538640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org return result; 2548640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org} 2558640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2565faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterImage(Proxy* proxy, 2575faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org const SkBitmap& source, 2584cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org const Context& ctx, 2595faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkBitmap* result, 260ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org SkIPoint* offset) const { 26168400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org SkBitmap src = source; 2626776b82d466fa93ccffd251fdf556fe058395444senorblanco@chromium.org SkIPoint srcOffset = SkIPoint::Make(0, 0); 2634cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) { 26468400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org return false; 26568400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org } 26668400767be5f72e4b9750ccc8bcf0078d42869a7senorblanco@chromium.org 26728fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org if (src.colorType() != kN32_SkColorType) { 2685faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2695faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2705faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2717938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds; 272118252962f89a80db661a0544f1bd61cbaab6321senorblanco@chromium.org if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) { 2737938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org return false; 2747938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org } 2757938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org 2768640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org if (!fConvolveAlpha && !src.isOpaque()) { 2778640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org src = unpremultiplyBitmap(src); 2788640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org } 2798640d5024d57da5508bdf7585849e3b1f1cb365bsenorblanco@chromium.org 2805faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org SkAutoLockPixels alp(src); 2815faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org if (!src.getPixels()) { 2825faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org return false; 2835faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org } 2845faa2dc266ec933b3961f985e5718236f1ecbe47senorblanco@chromium.org 2856c22573edb234ad14df947278cfed010669a39a7reed if (!result->allocPixels(src.info().makeWH(bounds.width(), bounds.height()))) { 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); 292cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkIRect interior = SkIRect::MakeXYWH(bounds.left() + fKernelOffset.fX, 293cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org bounds.top() + fKernelOffset.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 3110a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.orgbool SkMatrixConvolutionImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm, 3120a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org SkIRect* dst) const { 3130a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org SkIRect bounds = src; 3140a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org bounds.fRight += fKernelSize.width() - 1; 3150a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org bounds.fBottom += fKernelSize.height() - 1; 3160a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org bounds.offset(-fKernelOffset); 3170a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) { 3180a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org return false; 3190a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org } 3200a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org *dst = bounds; 3210a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org return true; 3220a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org} 3230a5c233e3b911232c0d6f9a88ded99ecf88b8a97senorblanco@chromium.org 3243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#if SK_SUPPORT_GPU 3253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 3273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrGLMatrixConvolutionEffect; 3293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgclass GrMatrixConvolutionEffect : public GrSingleTextureEffect { 3313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 3323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 3330ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com static GrEffectRef* Create(GrTexture* texture, 3347938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3350ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3360ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3370ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3380ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 339cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const SkIPoint& kernelOffset, 3400ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3410ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha) { 3426340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 3437938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 3446340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernelSize, 3456340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com kernel, 3466340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com gain, 3476340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com bias, 348cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org kernelOffset, 3496340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com tileMode, 3506340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com convolveAlpha))); 351a1ebbe447d5eab098111eb83580e55f2f5f6facabsalomon@google.com return CreateEffectRef(effect); 3520ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com } 3533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org virtual ~GrMatrixConvolutionEffect(); 3543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3550263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com virtual void getConstantColorComponents(GrColor* color, 3560263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com uint32_t* validFlags) const SK_OVERRIDE { 3570263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com // TODO: Try to do better? 3580263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com *validFlags = 0; 3590263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com } 3600263fcd72ee81ccff012bff85dbee89cd524a930bsalomon@google.com 3613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org static const char* Name() { return "MatrixConvolution"; } 3627938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds() const { return fBounds; } 3633bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize() const { return fKernelSize; } 364cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const float* kernelOffset() const { return fKernelOffset; } 3653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const float* kernel() const { return fKernel; } 3663bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float gain() const { return fGain; } 3673bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float bias() const { return fBias; } 3683bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode() const { return fTileMode; } 3693bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha() const { return fConvolveAlpha; } 3703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 371422e81aeb1f4078367c85efe591c7df8c33874ecbsalomon@google.com typedef GrGLMatrixConvolutionEffect GLEffect; 3723bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 373396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 3743bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 3760ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrMatrixConvolutionEffect(GrTexture*, 3777938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 3780ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkISize& kernelSize, 3790ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com const SkScalar* kernel, 3800ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar gain, 3810ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com SkScalar bias, 382cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const SkIPoint& kernelOffset, 3830ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com TileMode tileMode, 3840ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bool convolveAlpha); 3850ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com 3868a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.com virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 38768b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 3887938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect fBounds; 3893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize fKernelSize; 3903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float *fKernel; 3913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fGain; 3923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float fBias; 393cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org float fKernelOffset[2]; 3943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode fTileMode; 3953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool fConvolveAlpha; 3963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 397f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.com GR_DECLARE_EFFECT_TEST; 3983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 3993bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrSingleTextureEffect INHERITED; 4003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 40222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comclass GrGLMatrixConvolutionEffect : public GrGLEffect { 4033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgpublic: 404396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 405c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& effect); 40622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com virtual void emitCode(GrGLShaderBuilder*, 407c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 40822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com EffectKey, 40922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 41022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 41177af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray&, 41222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray&) SK_OVERRIDE; 4133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 414c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); 4153bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 416c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVERRIDE; 4173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgprivate: 4193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef GrGLUniformManager::UniformHandle UniformHandle; 4203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org typedef SkMatrixConvolutionImageFilter::TileMode TileMode; 42117fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com SkISize fKernelSize; 42217fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com TileMode fTileMode; 42317fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com bool fConvolveAlpha; 42417fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com 4257938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org UniformHandle fBoundsUni; 42617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fKernelUni; 42717fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fImageIncrementUni; 42884cd099704b3896ca66081a96508572a924f850ccommit-bot@chromium.org UniformHandle fKernelOffsetUni; 42917fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fGainUni; 43017fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com UniformHandle fBiasUni; 4313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 43222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com typedef GrGLEffect INHERITED; 4333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 4343bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 435396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comGrGLMatrixConvolutionEffect::GrGLMatrixConvolutionEffect(const GrBackendEffectFactory& factory, 436c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) 43777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com : INHERITED(factory) { 438c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 4393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize = m.kernelSize(); 4403bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode = m.tileMode(); 4413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha = m.convolveAlpha(); 4423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 4443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgstatic void appendTextureLookup(GrGLShaderBuilder* builder, 4453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const GrGLShaderBuilder::TextureSampler& sampler, 4463bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* coord, 4477938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds, 4483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkMatrixConvolutionImageFilter::TileMode tileMode) { 4493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkString clampedCoord; 4503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org switch (tileMode) { 4513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClamp_TileMode: 4527938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("clamp(%s, %s.xy, %s.zw)", coord, bounds, bounds); 4533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4543bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4553bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kRepeat_TileMode: 4567938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org clampedCoord.printf("mod(%s - %s.xy, %s.zw - %s.xy) + %s.xy", coord, bounds, bounds, bounds, bounds); 4573bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org coord = clampedCoord.c_str(); 4583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4593bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: 4607938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("clamp(%s, %s.xy, %s.zw) != %s ? vec4(0, 0, 0, 0) : ", coord, bounds, bounds, coord); 4613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org break; 4623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 46374a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org builder->fsAppendTextureLookup(sampler, coord); 4643bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 4653bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 46622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.comvoid GrGLMatrixConvolutionEffect::emitCode(GrGLShaderBuilder* builder, 467c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect&, 46817fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com EffectKey key, 46922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* outputColor, 47022a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const char* inputColor, 47177af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com const TransformedCoordsArray& coords, 47222a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com const TextureSamplerArray& samplers) { 473a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org sk_ignore_unused_variable(inputColor); 47477af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com SkString coords2D = builder->ensureFSCoords2D(coords, 0); 4757938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBoundsUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 4767938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kVec4f_GrSLType, "Bounds"); 47774a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 47822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kVec2f_GrSLType, "ImageIncrement"); 47974a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fKernelUni = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility, 4807938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org kFloat_GrSLType, 4817938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org "Kernel", 4827938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height()); 48384cd099704b3896ca66081a96508572a924f850ccommit-bot@chromium.org fKernelOffsetUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 48484cd099704b3896ca66081a96508572a924f850ccommit-bot@chromium.org kVec2f_GrSLType, "KernelOffset"); 48574a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fGainUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 48622a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Gain"); 48774a3a2135ca82ab9324b7e499caa3280348a4fdacommit-bot@chromium.org fBiasUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 48822a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com kFloat_GrSLType, "Bias"); 48922a800a2578564a8b66bd4d9903ef4186c37f35cbsalomon@google.com 4907938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const char* bounds = builder->getUniformCStr(fBoundsUni); 49184cd099704b3896ca66081a96508572a924f850ccommit-bot@chromium.org const char* kernelOffset = builder->getUniformCStr(fKernelOffsetUni); 4923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* imgInc = builder->getUniformCStr(fImageIncrementUni); 4933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* kernel = builder->getUniformCStr(fKernelUni); 4943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* gain = builder->getUniformCStr(fGainUni); 4953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const char* bias = builder->getUniformCStr(fBiasUni); 4963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kWidth = fKernelSize.width(); 4973bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int kHeight = fKernelSize.height(); 4983bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 499f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 sum = vec4(0, 0, 0, 0);\n"); 500cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org builder->fsCodeAppendf("\t\tvec2 coord = %s - %s * %s;\n", coords2D.c_str(), kernelOffset, imgInc); 501f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\tfor (int y = 0; y < %d; y++) {\n", kHeight); 502f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\tfor (int x = 0; x < %d; x++) {\n", kWidth); 503f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tfloat k = %s[y * %d + x];\n", kernel, kWidth); 504f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t\t\tvec2 coord2 = coord + vec2(x, y) * %s;\n", imgInc); 505f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tvec4 c = "); 5067938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], "coord2", bounds, fTileMode); 507f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 5083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (!fConvolveAlpha) { 509f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tc.rgb /= c.a;\n"); 5103bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 511f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t\tsum += c * k;\n"); 512f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t\t}\n"); 513f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\t}\n"); 5143bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (fConvolveAlpha) { 515f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias); 5167938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org builder->fsCodeAppendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", 5177938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org outputColor, outputColor, outputColor); 5183bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } else { 519f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend("\t\tvec4 c = "); 5207938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org appendTextureLookup(builder, samplers[0], coords2D.c_str(), bounds, fTileMode); 521f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppend(";\n"); 522f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.a = c.a;\n", outputColor); 523f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias); 524f910d3b23bcf590ee937628dbab8e39a98ee5860bsalomon@google.com builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor); 5253bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 5263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgnamespace { 5293bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5303bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgint encodeXY(int x, int y) { 5313bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkASSERT(x >= 1 && y >= 1 && x * y <= 32); 5323bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org if (y < x) 5333bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return 0x40 | encodeXY(y, x); 534dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com else 5353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org return (0x40 >> x) | (y - x); 5363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5383bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org}; 5393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 540c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comGrGLEffect::EffectKey GrGLMatrixConvolutionEffect::GenKey(const GrDrawEffect& drawEffect, 541c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGLCaps&) { 542c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& m = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 54346fba0d79335f17429bb71d87a04d93fb2ee992bbsalomon@google.com EffectKey key = encodeXY(m.kernelSize().width(), m.kernelSize().height()); 5443bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.tileMode() << 7; 5453bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org key |= m.convolveAlpha() ? 1 << 9 : 0; 54677af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com return key; 5473bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5483bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5493bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgvoid GrGLMatrixConvolutionEffect::setData(const GrGLUniformManager& uman, 550c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 551c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrMatrixConvolutionEffect& conv = drawEffect.castEffect<GrMatrixConvolutionEffect>(); 552c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com GrTexture& texture = *conv.texture(0); 5533bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org // the code we generated was for a specific kernel size 55496ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.kernelSize() == fKernelSize); 55596ae688f03f05a53c2ae6e66a431e180b90be9cdcommit-bot@chromium.org SkASSERT(conv.tileMode() == fTileMode); 5563bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org float imageIncrement[2]; 557ef5dbe1cd90fe586f165e54cb6f7608942610793senorblanco@chromium.org float ySign = texture.origin() == kTopLeft_GrSurfaceOrigin ? 1.0f : -1.0f; 5583bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org imageIncrement[0] = 1.0f / texture.width(); 559027c10207a45a9b754047136ea5403b764d9a751senorblanco@chromium.org imageIncrement[1] = ySign / texture.height(); 560d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set2fv(fImageIncrementUni, 1, imageIncrement); 56184cd099704b3896ca66081a96508572a924f850ccommit-bot@chromium.org uman.set2fv(fKernelOffsetUni, 1, conv.kernelOffset()); 562d3baf20dd1de9940717dd50b5c9ff6061561342ecommit-bot@chromium.org uman.set1fv(fKernelUni, fKernelSize.width() * fKernelSize.height(), conv.kernel()); 563c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fGainUni, conv.gain()); 564c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com uman.set1f(fBiasUni, conv.bias()); 5657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds = conv.bounds(); 5662a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float left = (float) bounds.left() / texture.width(); 5672a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float top = (float) bounds.top() / texture.height(); 5682a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float right = (float) bounds.right() / texture.width(); 5692a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org float bottom = (float) bounds.bottom() / texture.height(); 5702a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org if (texture.origin() == kBottomLeft_GrSurfaceOrigin) { 5712a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, 1.0f - bottom, right, 1.0f - top); 5722a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } else { 5732a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org uman.set4f(fBoundsUni, left, top, right, bottom); 5742a4223c783e35f1c6095c4736a9246884e51a48dsenorblanco@chromium.org } 5753bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 5763bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 5773bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::GrMatrixConvolutionEffect(GrTexture* texture, 5787938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds, 5793bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkISize& kernelSize, 5803bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org const SkScalar* kernel, 5813bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain, 5823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias, 583cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const SkIPoint& kernelOffset, 5843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode, 5853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha) 58617fc651dbe2e0624f6c85fb6e081d28a87d5a08bbsalomon@google.com : INHERITED(texture, MakeDivByTextureWHMatrix(texture)), 5877938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fBounds(bounds), 5883bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize(kernelSize), 5893bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain(SkScalarToFloat(gain)), 5903bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias(SkScalarToFloat(bias) / 255.0f), 5913bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode(tileMode), 5923bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha(convolveAlpha) { 5933bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel = new float[kernelSize.width() * kernelSize.height()]; 5943bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) { 5953bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernel[i] = SkScalarToFloat(kernel[i]); 5963bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 597cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset[0] = static_cast<float>(kernelOffset.x()); 598cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset[1] = static_cast<float>(kernelOffset.y()); 599a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org this->setWillNotUseInputColor(); 6003bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6013bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6023bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.orgGrMatrixConvolutionEffect::~GrMatrixConvolutionEffect() { 6033bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org delete[] fKernel; 6043bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6053bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 606396e61fe440590744345e0c56970b26ab464591dbsalomon@google.comconst GrBackendEffectFactory& GrMatrixConvolutionEffect::getFactory() const { 607396e61fe440590744345e0c56970b26ab464591dbsalomon@google.com return GrTBackendEffectFactory<GrMatrixConvolutionEffect>::getInstance(); 6083bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6093bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6108a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrMatrixConvolutionEffect::onIsEqual(const GrEffect& sBase) const { 6116340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrMatrixConvolutionEffect& s = CastEffect<GrMatrixConvolutionEffect>(sBase); 61268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com return this->texture(0) == s.texture(0) && 6133bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fKernelSize == s.kernelSize() && 6147938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org !memcmp(fKernel, s.kernel(), 6157938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org fKernelSize.width() * fKernelSize.height() * sizeof(float)) && 6163bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fGain == s.gain() && 6173bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fBias == s.bias() && 618cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset == s.kernelOffset() && 6193bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fTileMode == s.tileMode() && 6203bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org fConvolveAlpha == s.convolveAlpha(); 6213bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6223bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 623f271cc7183fe48ac64d2d9a454eb013c91b42d53bsalomon@google.comGR_DEFINE_EFFECT_TEST(GrMatrixConvolutionEffect); 6243bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 625dda28c9bde2a34b98e1383532c210270dacb7ca8skia.committer@gmail.com// A little bit less than the minimum # uniforms required by DX9SM2 (32). 6263bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org// Allows for a 5x5 kernel (or 25x1, for that matter). 6273bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#define MAX_KERNEL_SIZE 25 6283bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 629e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgGrEffectRef* GrMatrixConvolutionEffect::TestCreate(SkRandom* random, 6300ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrContext* context, 631c26d94fd7dc0b00cd6d0e42d28285f4a38aff021bsalomon@google.com const GrDrawTargetCaps&, 6320ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com GrTexture* textures[]) { 6336f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : 6346f261bed0252e3f3caa595798364e0bf12a2573absalomon@google.com GrEffectUnitTest::kAlphaTextureIdx; 6353bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int width = random->nextRangeU(1, MAX_KERNEL_SIZE); 6363bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org int height = random->nextRangeU(1, MAX_KERNEL_SIZE / width); 6373bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkISize kernelSize = SkISize::Make(width, height); 63835300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com SkAutoTDeleteArray<SkScalar> kernel(new SkScalar[width * height]); 6393bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org for (int i = 0; i < width * height; i++) { 64035300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get()[i] = random->nextSScalar1(); 6413bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 6423bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar gain = random->nextSScalar1(); 6433bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org SkScalar bias = random->nextSScalar1(); 644cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkIPoint kernelOffset = SkIPoint::Make(random->nextRangeU(0, kernelSize.width()), 645cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org random->nextRangeU(0, kernelSize.height())); 6467938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org SkIRect bounds = SkIRect::MakeXYWH(random->nextRangeU(0, textures[texIdx]->width()), 6477938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height()), 6487938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->width()), 6497938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org random->nextRangeU(0, textures[texIdx]->height())); 6503bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org TileMode tileMode = static_cast<TileMode>(random->nextRangeU(0, 2)); 6513bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org bool convolveAlpha = random->nextBool(); 6520ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com return GrMatrixConvolutionEffect::Create(textures[texIdx], 6537938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 6540ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com kernelSize, 65535300c47fc6e59d8415a06042f230ed36deb60b3robertphillips@google.com kernel.get(), 6560ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com gain, 6570ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com bias, 658cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org kernelOffset, 6590ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com tileMode, 6600ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.com convolveAlpha); 6613bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6623bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6630ac6af49975c54c2debf41e9200af416ecd2d973bsalomon@google.combool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect, 6644e16bb2a322f2bd16cb1afd2f78c27e420a4b9dbsenorblanco@chromium.org GrTexture* texture, 6657938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkMatrix&, 6667938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org const SkIRect& bounds 6677938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org ) const { 668d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org if (!effect) { 669d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE; 6703bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org } 671d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE); 672d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org *effect = GrMatrixConvolutionEffect::Create(texture, 6737938bae14af94c1d48d122a2d686e123b66411a7senorblanco@chromium.org bounds, 674d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernelSize, 675d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fKernel, 676d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fGain, 677d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fBias, 678cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org fKernelOffset, 679d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fTileMode, 680d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org fConvolveAlpha); 681d043ccee3788ea4192806bd8c94484ed003fa828senorblanco@chromium.org return true; 6823bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org} 6833bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6843bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org/////////////////////////////////////////////////////////////////////////////// 6853bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org 6863bc16c8bc1ecb9ac4450f58093cc9e3edb8a50b8senorblanco@chromium.org#endif 687