SkGradientShader.cpp revision 9c9005a347e9996f357bd79591bd34f74f8bbc66
1589708bf7c706348b763e8277004cb160b202bdbrileya@google.com/* 2589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * Copyright 2006 The Android Open Source Project 3589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * 4589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * Use of this source code is governed by a BSD-style license that can be 5589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * found in the LICENSE file. 6589708bf7c706348b763e8277004cb160b202bdbrileya@google.com */ 7589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 8589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkGradientShaderPriv.h" 9589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkLinearGradient.h" 10589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkRadialGradient.h" 11589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkTwoPointRadialGradient.h" 12589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkTwoPointConicalGradient.h" 13589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkSweepGradient.h" 14589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 159c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.orgSkGradientShaderBase::SkGradientShaderBase(const Descriptor& desc, const SkMatrix* localMatrix) 169c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org : INHERITED(localMatrix) 179c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org{ 18437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkASSERT(desc.fCount > 1); 19589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 20437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com fMapper = desc.fMapper; 21437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkSafeRef(fMapper); 226c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org fGradFlags = SkToU8(desc.fGradFlags); 23589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 24437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkASSERT((unsigned)desc.fTileMode < SkShader::kTileModeCount); 25589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(SkShader::kTileModeCount == SK_ARRAY_COUNT(gTileProcs)); 26437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com fTileMode = desc.fTileMode; 27437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com fTileProc = gTileProcs[desc.fTileMode]; 28589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 29589708bf7c706348b763e8277004cb160b202bdbrileya@google.com /* Note: we let the caller skip the first and/or last position. 30589708bf7c706348b763e8277004cb160b202bdbrileya@google.com i.e. pos[0] = 0.3, pos[1] = 0.7 31589708bf7c706348b763e8277004cb160b202bdbrileya@google.com In these cases, we insert dummy entries to ensure that the final data 32589708bf7c706348b763e8277004cb160b202bdbrileya@google.com will be bracketed by [0, 1]. 33589708bf7c706348b763e8277004cb160b202bdbrileya@google.com i.e. our_pos[0] = 0, our_pos[1] = 0.3, our_pos[2] = 0.7, our_pos[3] = 1 34589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 35589708bf7c706348b763e8277004cb160b202bdbrileya@google.com Thus colorCount (the caller's value, and fColorCount (our value) may 36589708bf7c706348b763e8277004cb160b202bdbrileya@google.com differ by up to 2. In the above example: 37589708bf7c706348b763e8277004cb160b202bdbrileya@google.com colorCount = 2 38589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fColorCount = 4 39589708bf7c706348b763e8277004cb160b202bdbrileya@google.com */ 40437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com fColorCount = desc.fCount; 41589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // check if we need to add in dummy start and/or end position/colors 42589708bf7c706348b763e8277004cb160b202bdbrileya@google.com bool dummyFirst = false; 43589708bf7c706348b763e8277004cb160b202bdbrileya@google.com bool dummyLast = false; 44437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com if (desc.fPos) { 45437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com dummyFirst = desc.fPos[0] != 0; 46437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com dummyLast = desc.fPos[desc.fCount - 1] != SK_Scalar1; 47589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fColorCount += dummyFirst + dummyLast; 48589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 49589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 50589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount > kColorStorageCount) { 51589708bf7c706348b763e8277004cb160b202bdbrileya@google.com size_t size = sizeof(SkColor) + sizeof(Rec); 52589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fOrigColors = reinterpret_cast<SkColor*>( 53589708bf7c706348b763e8277004cb160b202bdbrileya@google.com sk_malloc_throw(size * fColorCount)); 54589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 55589708bf7c706348b763e8277004cb160b202bdbrileya@google.com else { 56589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fOrigColors = fStorage; 57589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 58589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 59589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // Now copy over the colors, adding the dummies as needed 60589708bf7c706348b763e8277004cb160b202bdbrileya@google.com { 61589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkColor* origColors = fOrigColors; 62589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (dummyFirst) { 63437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com *origColors++ = desc.fColors[0]; 64589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 65437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com memcpy(origColors, desc.fColors, desc.fCount * sizeof(SkColor)); 66589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (dummyLast) { 67437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com origColors += desc.fCount; 68437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com *origColors = desc.fColors[desc.fCount - 1]; 69589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 70589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 71589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 72589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fRecs = (Rec*)(fOrigColors + fColorCount); 73589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount > 2) { 74589708bf7c706348b763e8277004cb160b202bdbrileya@google.com Rec* recs = fRecs; 75589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fPos = 0; 76589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // recs->fScale = 0; // unused; 77589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs += 1; 78437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com if (desc.fPos) { 79589708bf7c706348b763e8277004cb160b202bdbrileya@google.com /* We need to convert the user's array of relative positions into 80589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fixed-point positions and scale factors. We need these results 81589708bf7c706348b763e8277004cb160b202bdbrileya@google.com to be strictly monotonic (no two values equal or out of order). 82589708bf7c706348b763e8277004cb160b202bdbrileya@google.com Hence this complex loop that just jams a zero for the scale 83589708bf7c706348b763e8277004cb160b202bdbrileya@google.com value if it sees a segment out of order, and it assures that 84589708bf7c706348b763e8277004cb160b202bdbrileya@google.com we start at 0 and end at 1.0 85589708bf7c706348b763e8277004cb160b202bdbrileya@google.com */ 86589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed prev = 0; 87589708bf7c706348b763e8277004cb160b202bdbrileya@google.com int startIndex = dummyFirst ? 0 : 1; 88437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com int count = desc.fCount + dummyLast; 89589708bf7c706348b763e8277004cb160b202bdbrileya@google.com for (int i = startIndex; i < count; i++) { 90589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // force the last value to be 1.0 91589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed curr; 92437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com if (i == desc.fCount) { // we're really at the dummyLast 93589708bf7c706348b763e8277004cb160b202bdbrileya@google.com curr = SK_Fixed1; 94589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else { 95437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com curr = SkScalarToFixed(desc.fPos[i]); 96589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 97589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // pin curr withing range 98589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (curr < 0) { 99589708bf7c706348b763e8277004cb160b202bdbrileya@google.com curr = 0; 100589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else if (curr > SK_Fixed1) { 101589708bf7c706348b763e8277004cb160b202bdbrileya@google.com curr = SK_Fixed1; 102589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 103589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fPos = curr; 104589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (curr > prev) { 105589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fScale = (1 << 24) / (curr - prev); 106589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else { 107589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fScale = 0; // ignore this segment 108589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 109589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // get ready for the next value 110589708bf7c706348b763e8277004cb160b202bdbrileya@google.com prev = curr; 111589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs += 1; 112589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 113589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else { // assume even distribution 114437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkFixed dp = SK_Fixed1 / (desc.fCount - 1); 115589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed p = dp; 116437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkFixed scale = (desc.fCount - 1) << 8; // (1 << 24) / dp 11744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org for (int i = 1; i < desc.fCount - 1; i++) { 118589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fPos = p; 119589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs->fScale = scale; 120589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs += 1; 121589708bf7c706348b763e8277004cb160b202bdbrileya@google.com p += dp; 122589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 12344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org recs->fPos = SK_Fixed1; 124811f20de4d20b80ef40ff954acd1e816388b30becommit-bot@chromium.org recs->fScale = scale; 125589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 126589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 127589708bf7c706348b763e8277004cb160b202bdbrileya@google.com this->initCommon(); 128589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 129589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 1303d3a860d0ba878adb905512a45c500a67532b0a3reed@google.comstatic uint32_t pack_mode_flags(SkShader::TileMode mode, uint32_t flags) { 1313d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkASSERT(0 == (flags >> 28)); 1323d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkASSERT(0 == ((uint32_t)mode >> 4)); 1333d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com return (flags << 4) | mode; 1343d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com} 1353d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 1363d3a860d0ba878adb905512a45c500a67532b0a3reed@google.comstatic SkShader::TileMode unpack_mode(uint32_t packed) { 1373d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com return (SkShader::TileMode)(packed & 0xF); 1383d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com} 1393d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 1403d3a860d0ba878adb905512a45c500a67532b0a3reed@google.comstatic uint32_t unpack_flags(uint32_t packed) { 1413d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com return packed >> 4; 1423d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com} 1433d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 1448b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgSkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buffer) { 145353482251e61971a8cf3a60bbb6910f482be634freed@google.com fMapper = buffer.readUnitMapper(); 146589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 147c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com int colorCount = fColorCount = buffer.getArrayCount(); 148589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (colorCount > kColorStorageCount) { 149ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org size_t allocSize = (sizeof(SkColor) + sizeof(SkPMColor) + sizeof(Rec)) * colorCount; 150ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org if (buffer.validateAvailable(allocSize)) { 151ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org fOrigColors = reinterpret_cast<SkColor*>(sk_malloc_throw(allocSize)); 152ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org } else { 153ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org fOrigColors = NULL; 154ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org colorCount = fColorCount = 0; 155ef74fa189b738e13295d6a96f86a6e10223505a8commit-bot@chromium.org } 156589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else { 157589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fOrigColors = fStorage; 158589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 159025128811219dc45fd99b6c4d1d14f833cf7a26ecommit-bot@chromium.org buffer.readColorArray(fOrigColors, colorCount); 160589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 1613d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com { 1623d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t packed = buffer.readUInt(); 1633d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com fGradFlags = SkToU8(unpack_flags(packed)); 1643d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com fTileMode = unpack_mode(packed); 1653d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com } 166589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fTileProc = gTileProcs[fTileMode]; 167589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fRecs = (Rec*)(fOrigColors + colorCount); 168589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (colorCount > 2) { 169589708bf7c706348b763e8277004cb160b202bdbrileya@google.com Rec* recs = fRecs; 170589708bf7c706348b763e8277004cb160b202bdbrileya@google.com recs[0].fPos = 0; 171589708bf7c706348b763e8277004cb160b202bdbrileya@google.com for (int i = 1; i < colorCount; i++) { 172c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com recs[i].fPos = buffer.readInt(); 173c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com recs[i].fScale = buffer.readUInt(); 174589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 175589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 176589708bf7c706348b763e8277004cb160b202bdbrileya@google.com buffer.readMatrix(&fPtsToUnit); 177589708bf7c706348b763e8277004cb160b202bdbrileya@google.com this->initCommon(); 178589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 179589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 180589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkGradientShaderBase::~SkGradientShaderBase() { 181589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fOrigColors != fStorage) { 182589708bf7c706348b763e8277004cb160b202bdbrileya@google.com sk_free(fOrigColors); 183589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 184589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkSafeUnref(fMapper); 185589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 186589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 187589708bf7c706348b763e8277004cb160b202bdbrileya@google.comvoid SkGradientShaderBase::initCommon() { 188589708bf7c706348b763e8277004cb160b202bdbrileya@google.com unsigned colorAlpha = 0xFF; 189589708bf7c706348b763e8277004cb160b202bdbrileya@google.com for (int i = 0; i < fColorCount; i++) { 190589708bf7c706348b763e8277004cb160b202bdbrileya@google.com colorAlpha &= SkColorGetA(fOrigColors[i]); 191589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 192589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fColorsAreOpaque = colorAlpha == 0xFF; 193589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 194589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 1958b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgvoid SkGradientShaderBase::flatten(SkWriteBuffer& buffer) const { 196589708bf7c706348b763e8277004cb160b202bdbrileya@google.com this->INHERITED::flatten(buffer); 197589708bf7c706348b763e8277004cb160b202bdbrileya@google.com buffer.writeFlattenable(fMapper); 198c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.writeColorArray(fOrigColors, fColorCount); 1993d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com buffer.writeUInt(pack_mode_flags(fTileMode, fGradFlags)); 200589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount > 2) { 201589708bf7c706348b763e8277004cb160b202bdbrileya@google.com Rec* recs = fRecs; 202589708bf7c706348b763e8277004cb160b202bdbrileya@google.com for (int i = 1; i < fColorCount; i++) { 203c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.writeInt(recs[i].fPos); 204c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.writeUInt(recs[i].fScale); 205589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 206589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 207589708bf7c706348b763e8277004cb160b202bdbrileya@google.com buffer.writeMatrix(fPtsToUnit); 208589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 209589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 210996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.orgSkGradientShaderBase::GpuColorType SkGradientShaderBase::getGpuColorType(SkColor colors[3]) const { 211996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (fColorCount <= 3) { 212996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org memcpy(colors, fOrigColors, fColorCount * sizeof(SkColor)); 213996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } 214996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org 215996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkShader::kClamp_TileMode == fTileMode) { 216996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (2 == fColorCount) { 217996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org return kTwo_GpuColorType; 218996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (3 == fColorCount && 219996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org (SkScalarAbs( 220996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org SkFixedToScalar(fRecs[1].fPos) - SK_ScalarHalf) < SK_Scalar1 / 1000)) { 221996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org return kThree_GpuColorType; 222996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } 223996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } 224996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org return kTexture_GpuColorType; 225996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org} 226996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org 22744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.orgvoid SkGradientShaderBase::FlipGradientColors(SkColor* colorDst, Rec* recDst, 22844d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkColor* colorSrc, Rec* recSrc, 22944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org int count) { 23044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, SkColor> colorsTemp(count); 23144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org for (int i = 0; i < count; ++i) { 23244d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org int offset = count - i - 1; 23344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org colorsTemp[i] = colorSrc[offset]; 23444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 23544d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org if (count > 2) { 23644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, Rec> recsTemp(count); 23744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org for (int i = 0; i < count; ++i) { 23844d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org int offset = count - i - 1; 23944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org recsTemp[i].fPos = SK_Fixed1 - recSrc[offset].fPos; 24044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org recsTemp[i].fScale = recSrc[offset].fScale; 24144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 24244d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org memcpy(recDst, recsTemp.get(), count * sizeof(Rec)); 24344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 24444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org memcpy(colorDst, colorsTemp.get(), count * sizeof(SkColor)); 24544d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org} 24644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 24744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.orgvoid SkGradientShaderBase::flipGradientColors() { 248d3b28e8847358460aeae745da44e474f6a7ab25dskia.committer@gmail.com FlipGradientColors(fOrigColors, fRecs, fOrigColors, fRecs, fColorCount); 24944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org} 25044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 251589708bf7c706348b763e8277004cb160b202bdbrileya@google.combool SkGradientShaderBase::isOpaque() const { 252589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return fColorsAreOpaque; 253589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 254589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 25587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkGradientShaderBase::GradientShaderBaseContext::GradientShaderBaseContext( 25687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org const SkGradientShaderBase& shader, const SkBitmap& device, 25787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org const SkPaint& paint, const SkMatrix& matrix) 25887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org : INHERITED(shader, device, paint, matrix) 25987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org , fCache(shader.refCache(getPaintAlpha())) 26087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org{ 2616e5671d8c9b2d9885e351b631b1dfbb4ed403789commit-bot@chromium.org const SkMatrix& inverse = this->getTotalInverse(); 262bc2f1dc85e458af7bdb87873e60207f9f7299e4acommit-bot@chromium.org 26387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fDstToIndex.setConcat(shader.fPtsToUnit, inverse); 26487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 265589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fDstToIndexProc = fDstToIndex.getMapXYProc(); 26687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fDstToIndexClass = (uint8_t)SkShader::Context::ComputeMatrixClass(fDstToIndex); 267589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 268589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // now convert our colors in to PMColors 269589708bf7c706348b763e8277004cb160b202bdbrileya@google.com unsigned paintAlpha = this->getPaintAlpha(); 270589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 271589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fFlags = this->INHERITED::getFlags(); 27287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (shader.fColorsAreOpaque && paintAlpha == 0xFF) { 273589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fFlags |= kOpaqueAlpha_Flag; 274589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 275589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // we can do span16 as long as our individual colors are opaque, 276589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // regardless of the paint's alpha 27787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (shader.fColorsAreOpaque) { 278589708bf7c706348b763e8277004cb160b202bdbrileya@google.com fFlags |= kHasSpan16_Flag; 279589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 28087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 281589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 28287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkGradientShaderBase::GradientShaderCache::GradientShaderCache( 28387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org U8CPU alpha, const SkGradientShaderBase& shader) 28487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org : fCacheAlpha(alpha) 28587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org , fShader(shader) 28687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org , fCache16Inited(false) 28787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org , fCache32Inited(false) 28887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org{ 28987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Only initialize the cache in getCache16/32. 29087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache16 = NULL; 29187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache32 = NULL; 29287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache16Storage = NULL; 29387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache32PixelRef = NULL; 294589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 295589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 29687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkGradientShaderBase::GradientShaderCache::~GradientShaderCache() { 29787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org sk_free(fCache16Storage); 29887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkSafeUnref(fCache32PixelRef); 299589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 300589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 301589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#define Fixed_To_Dot8(x) (((x) + 0x80) >> 8) 302589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 303589708bf7c706348b763e8277004cb160b202bdbrileya@google.com/** We take the original colors, not our premultiplied PMColors, since we can 304589708bf7c706348b763e8277004cb160b202bdbrileya@google.com build a 16bit table as long as the original colors are opaque, even if the 305589708bf7c706348b763e8277004cb160b202bdbrileya@google.com paint specifies a non-opaque alpha. 306589708bf7c706348b763e8277004cb160b202bdbrileya@google.com*/ 30787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkGradientShaderBase::GradientShaderCache::Build16bitCache( 30887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org uint16_t cache[], SkColor c0, SkColor c1, int count) { 309589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(count > 1); 310589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(SkColorGetA(c0) == 0xFF); 311589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(SkColorGetA(c1) == 0xFF); 312589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 313589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed r = SkColorGetR(c0); 314589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed g = SkColorGetG(c0); 315589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed b = SkColorGetB(c0); 316589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 317589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed dr = SkIntToFixed(SkColorGetR(c1) - r) / (count - 1); 318589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed dg = SkIntToFixed(SkColorGetG(c1) - g) / (count - 1); 319589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkFixed db = SkIntToFixed(SkColorGetB(c1) - b) / (count - 1); 320589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 321589708bf7c706348b763e8277004cb160b202bdbrileya@google.com r = SkIntToFixed(r) + 0x8000; 322589708bf7c706348b763e8277004cb160b202bdbrileya@google.com g = SkIntToFixed(g) + 0x8000; 323589708bf7c706348b763e8277004cb160b202bdbrileya@google.com b = SkIntToFixed(b) + 0x8000; 324589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 325589708bf7c706348b763e8277004cb160b202bdbrileya@google.com do { 326589708bf7c706348b763e8277004cb160b202bdbrileya@google.com unsigned rr = r >> 16; 327589708bf7c706348b763e8277004cb160b202bdbrileya@google.com unsigned gg = g >> 16; 328589708bf7c706348b763e8277004cb160b202bdbrileya@google.com unsigned bb = b >> 16; 329589708bf7c706348b763e8277004cb160b202bdbrileya@google.com cache[0] = SkPackRGB16(SkR32ToR16(rr), SkG32ToG16(gg), SkB32ToB16(bb)); 330589708bf7c706348b763e8277004cb160b202bdbrileya@google.com cache[kCache16Count] = SkDitherPack888ToRGB16(rr, gg, bb); 331589708bf7c706348b763e8277004cb160b202bdbrileya@google.com cache += 1; 332589708bf7c706348b763e8277004cb160b202bdbrileya@google.com r += dr; 333589708bf7c706348b763e8277004cb160b202bdbrileya@google.com g += dg; 334589708bf7c706348b763e8277004cb160b202bdbrileya@google.com b += db; 335589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } while (--count != 0); 336589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 337589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 3383d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com/* 3393d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * r,g,b used to be SkFixed, but on gcc (4.2.1 mac and 4.6.3 goobuntu) in 3403d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * release builds, we saw a compiler error where the 0xFF parameter in 3413d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * SkPackARGB32() was being totally ignored whenever it was called with 3423d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * a non-zero add (e.g. 0x8000). 3433d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * 3443d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * We found two work-arounds: 3453d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * 1. change r,g,b to unsigned (or just one of them) 3463d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * 2. change SkPackARGB32 to + its (a << SK_A32_SHIFT) value instead 3473d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * of using | 3483d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * 3493d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * We chose #1 just because it was more localized. 3503d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * See http://code.google.com/p/skia/issues/detail?id=1113 3513d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * 3523d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com * The type SkUFixed encapsulate this need for unsigned, but logically Fixed. 3533d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com */ 3543d3a860d0ba878adb905512a45c500a67532b0a3reed@google.comtypedef uint32_t SkUFixed; 3553d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 35687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkGradientShaderBase::GradientShaderCache::Build32bitCache( 35787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor cache[], SkColor c0, SkColor c1, 35887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int count, U8CPU paintAlpha, uint32_t gradFlags) { 359589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(count > 1); 360589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 361589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // need to apply paintAlpha to our two endpoints 3623d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t a0 = SkMulDiv255Round(SkColorGetA(c0), paintAlpha); 3633d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t a1 = SkMulDiv255Round(SkColorGetA(c1), paintAlpha); 364589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 365d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com 3663d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com const bool interpInPremul = SkToBool(gradFlags & 3673d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkGradientShader::kInterpolateColorsInPremul_Flag); 3683d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 3693d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t r0 = SkColorGetR(c0); 3703d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t g0 = SkColorGetG(c0); 3713d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t b0 = SkColorGetB(c0); 3723d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 3733d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t r1 = SkColorGetR(c1); 3743d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t g1 = SkColorGetG(c1); 3753d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com uint32_t b1 = SkColorGetB(c1); 3763d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 3773d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com if (interpInPremul) { 3783d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com r0 = SkMulDiv255Round(r0, a0); 3793d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com g0 = SkMulDiv255Round(g0, a0); 3803d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com b0 = SkMulDiv255Round(b0, a0); 3813d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 3823d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com r1 = SkMulDiv255Round(r1, a1); 3833d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com g1 = SkMulDiv255Round(g1, a1); 3843d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com b1 = SkMulDiv255Round(b1, a1); 3853d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com } 3863d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com 3873d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkFixed da = SkIntToFixed(a1 - a0) / (count - 1); 3883d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkFixed dr = SkIntToFixed(r1 - r0) / (count - 1); 3893d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkFixed dg = SkIntToFixed(g1 - g0) / (count - 1); 3903d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkFixed db = SkIntToFixed(b1 - b0) / (count - 1); 391589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 392d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com /* We pre-add 1/8 to avoid having to add this to our [0] value each time 393d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com in the loop. Without this, the bias for each would be 394d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com 0x2000 0xA000 0xE000 0x6000 395d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com With this trick, we can add 0 for the first (no-op) and just adjust the 396d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com others. 397d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com */ 3983d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUFixed a = SkIntToFixed(a0) + 0x2000; 3993d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUFixed r = SkIntToFixed(r0) + 0x2000; 4003d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUFixed g = SkIntToFixed(g0) + 0x2000; 4013d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUFixed b = SkIntToFixed(b0) + 0x2000; 402d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com 403d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com /* 404d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * Our dither-cell (spatially) is 405d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * 0 2 406d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * 3 1 407d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * Where 408d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * [0] -> [-1/8 ... 1/8 ) values near 0 409d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * [1] -> [ 1/8 ... 3/8 ) values near 1/4 410d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * [2] -> [ 3/8 ... 5/8 ) values near 1/2 411d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com * [3] -> [ 5/8 ... 7/8 ) values near 3/4 412d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com */ 413589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 4143d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com if (0xFF == a0 && 0 == da) { 415d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com do { 416d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*0] = SkPackARGB32(0xFF, (r + 0 ) >> 16, 417d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0 ) >> 16, 418d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0 ) >> 16); 419d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*1] = SkPackARGB32(0xFF, (r + 0x8000) >> 16, 420d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0x8000) >> 16, 421d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0x8000) >> 16); 422d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*2] = SkPackARGB32(0xFF, (r + 0xC000) >> 16, 423d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0xC000) >> 16, 424d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0xC000) >> 16); 425d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*3] = SkPackARGB32(0xFF, (r + 0x4000) >> 16, 426d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0x4000) >> 16, 427d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0x4000) >> 16); 428d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache += 1; 429d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com r += dr; 430d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com g += dg; 431d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com b += db; 432d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com } while (--count != 0); 4333d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com } else if (interpInPremul) { 4343d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com do { 4353d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com cache[kCache32Count*0] = SkPackARGB32((a + 0 ) >> 16, 4363d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (r + 0 ) >> 16, 4373d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (g + 0 ) >> 16, 4383d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (b + 0 ) >> 16); 4393d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com cache[kCache32Count*1] = SkPackARGB32((a + 0x8000) >> 16, 4403d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (r + 0x8000) >> 16, 4413d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (g + 0x8000) >> 16, 4423d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (b + 0x8000) >> 16); 4433d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com cache[kCache32Count*2] = SkPackARGB32((a + 0xC000) >> 16, 4443d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (r + 0xC000) >> 16, 4453d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (g + 0xC000) >> 16, 4463d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (b + 0xC000) >> 16); 4473d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com cache[kCache32Count*3] = SkPackARGB32((a + 0x4000) >> 16, 4483d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (r + 0x4000) >> 16, 4493d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (g + 0x4000) >> 16, 4503d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com (b + 0x4000) >> 16); 4513d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com cache += 1; 4523d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com a += da; 4533d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com r += dr; 4543d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com g += dg; 4553d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com b += db; 4563d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com } while (--count != 0); 4573d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com } else { // interpolate in unpreml space 458d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com do { 459d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*0] = SkPremultiplyARGBInline((a + 0 ) >> 16, 460d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (r + 0 ) >> 16, 461d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0 ) >> 16, 462d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0 ) >> 16); 463d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*1] = SkPremultiplyARGBInline((a + 0x8000) >> 16, 464d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (r + 0x8000) >> 16, 465d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0x8000) >> 16, 466d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0x8000) >> 16); 467d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*2] = SkPremultiplyARGBInline((a + 0xC000) >> 16, 468d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (r + 0xC000) >> 16, 469d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0xC000) >> 16, 470d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0xC000) >> 16); 471d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache[kCache32Count*3] = SkPremultiplyARGBInline((a + 0x4000) >> 16, 472d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (r + 0x4000) >> 16, 473d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (g + 0x4000) >> 16, 474d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com (b + 0x4000) >> 16); 475d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com cache += 1; 476d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com a += da; 477d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com r += dr; 478d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com g += dg; 479d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com b += db; 480d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com } while (--count != 0); 481d8e0d6a87d56ece202cc529ec9269da3dcd3d6a8reed@google.com } 482589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 483589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 484589708bf7c706348b763e8277004cb160b202bdbrileya@google.comstatic inline int SkFixedToFFFF(SkFixed x) { 485589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT((unsigned)x <= SK_Fixed1); 486589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return x - (x >> 16); 487589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 488589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 489589708bf7c706348b763e8277004cb160b202bdbrileya@google.comstatic inline U16CPU bitsTo16(unsigned x, const unsigned bits) { 490589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(x < (1U << bits)); 491589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (6 == bits) { 492589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return (x << 10) | (x << 4) | (x >> 2); 493589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 494589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (8 == bits) { 495589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return (x << 8) | x; 496589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 497589708bf7c706348b763e8277004cb160b202bdbrileya@google.com sk_throw(); 498589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return 0; 499589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 500589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 50187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgconst uint16_t* SkGradientShaderBase::GradientShaderCache::getCache16() { 50287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkOnce(&fCache16Inited, &fCache16Mutex, SkGradientShaderBase::GradientShaderCache::initCache16, 50387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org this); 50487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(fCache16); 50587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return fCache16; 50687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 507589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 50887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkGradientShaderBase::GradientShaderCache::initCache16(GradientShaderCache* cache) { 50987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // double the count for dither entries 51087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org const int entryCount = kCache16Count * 2; 51187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org const size_t allocSize = sizeof(uint16_t) * entryCount; 51287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 51387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(NULL == cache->fCache16Storage); 51487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache16Storage = (uint16_t*)sk_malloc_throw(allocSize); 51587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache16 = cache->fCache16Storage; 51687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (cache->fShader.fColorCount == 2) { 51787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Build16bitCache(cache->fCache16, cache->fShader.fOrigColors[0], 51887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fShader.fOrigColors[1], kCache16Count); 51987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } else { 52087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Rec* rec = cache->fShader.fRecs; 52187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int prevIndex = 0; 52287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org for (int i = 1; i < cache->fShader.fColorCount; i++) { 52387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int nextIndex = SkFixedToFFFF(rec[i].fPos) >> kCache16Shift; 52487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(nextIndex < kCache16Count); 52587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 52687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (nextIndex > prevIndex) 52787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Build16bitCache(cache->fCache16 + prevIndex, cache->fShader.fOrigColors[i-1], 52887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fShader.fOrigColors[i], nextIndex - prevIndex + 1); 52987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org prevIndex = nextIndex; 530589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 53187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } 532589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 53387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (cache->fShader.fMapper) { 53487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache16Storage = (uint16_t*)sk_malloc_throw(allocSize); 53587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org uint16_t* linear = cache->fCache16; // just computed linear data 53687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org uint16_t* mapped = cache->fCache16Storage; // storage for mapped data 53787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkUnitMapper* map = cache->fShader.fMapper; 53887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org for (int i = 0; i < kCache16Count; i++) { 53987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int index = map->mapUnit16(bitsTo16(i, kCache16Bits)) >> kCache16Shift; 54087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i] = linear[index]; 54187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i + kCache16Count] = linear[index + kCache16Count]; 542589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 54387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org sk_free(cache->fCache16); 54487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache16 = cache->fCache16Storage; 545589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 546589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 547589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 54887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgconst SkPMColor* SkGradientShaderBase::GradientShaderCache::getCache32() { 54987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkOnce(&fCache32Inited, &fCache32Mutex, SkGradientShaderBase::GradientShaderCache::initCache32, 55087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org this); 55187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(fCache32); 55287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return fCache32; 55387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 554589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 55587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkGradientShaderBase::GradientShaderCache::initCache32(GradientShaderCache* cache) { 55687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkImageInfo info; 55787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org info.fWidth = kCache32Count; 55887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org info.fHeight = 4; // for our 4 dither rows 55987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org info.fAlphaType = kPremul_SkAlphaType; 56087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org info.fColorType = kN32_SkColorType; 56187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 56287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(NULL == cache->fCache32PixelRef); 56387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache32PixelRef = SkMallocPixelRef::NewAllocate(info, 0, NULL); 56487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache32 = (SkPMColor*)cache->fCache32PixelRef->getAddr(); 56587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (cache->fShader.fColorCount == 2) { 56687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Build32bitCache(cache->fCache32, cache->fShader.fOrigColors[0], 56787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fShader.fOrigColors[1], kCache32Count, cache->fCacheAlpha, 56887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fShader.fGradFlags); 56987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } else { 57087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Rec* rec = cache->fShader.fRecs; 57187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int prevIndex = 0; 57287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org for (int i = 1; i < cache->fShader.fColorCount; i++) { 57387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int nextIndex = SkFixedToFFFF(rec[i].fPos) >> kCache32Shift; 57487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(nextIndex < kCache32Count); 57587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 57687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (nextIndex > prevIndex) 57787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org Build32bitCache(cache->fCache32 + prevIndex, cache->fShader.fOrigColors[i-1], 57887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fShader.fOrigColors[i], nextIndex - prevIndex + 1, 57987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCacheAlpha, cache->fShader.fGradFlags); 58087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org prevIndex = nextIndex; 58153783b026a00683c1fb504127c3398dabb61ea73commit-bot@chromium.org } 58287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } 583bc2f1dc85e458af7bdb87873e60207f9f7299e4acommit-bot@chromium.org 58487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (cache->fShader.fMapper) { 58587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkMallocPixelRef* newPR = SkMallocPixelRef::NewAllocate(info, 0, NULL); 58687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor* linear = cache->fCache32; // just computed linear data 58787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor* mapped = (SkPMColor*)newPR->getAddr(); // storage for mapped data 58887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkUnitMapper* map = cache->fShader.fMapper; 58987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org for (int i = 0; i < kCache32Count; i++) { 59087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int index = map->mapUnit16((i << 8) | i) >> 8; 59187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i + kCache32Count*0] = linear[index + kCache32Count*0]; 59287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i + kCache32Count*1] = linear[index + kCache32Count*1]; 59387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i + kCache32Count*2] = linear[index + kCache32Count*2]; 59487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org mapped[i + kCache32Count*3] = linear[index + kCache32Count*3]; 5956e5671d8c9b2d9885e351b631b1dfbb4ed403789commit-bot@chromium.org } 59687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache32PixelRef->unref(); 59787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache32PixelRef = newPR; 59887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org cache->fCache32 = (SkPMColor*)newPR->getAddr(); 599bc2f1dc85e458af7bdb87873e60207f9f7299e4acommit-bot@chromium.org } 60087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 60187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 60287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org/* 60387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org * The gradient holds a cache for the most recent value of alpha. Successive 60487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org * callers with the same alpha value will share the same cache. 60587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org */ 60687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkGradientShaderBase::GradientShaderCache* SkGradientShaderBase::refCache(U8CPU alpha) const { 60787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkAutoMutexAcquire ama(fCacheMutex); 60887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (!fCache || fCache->getAlpha() != alpha) { 60987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache.reset(SkNEW_ARGS(GradientShaderCache, (alpha, *this))); 61087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } 61187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Increment the ref counter inside the mutex to ensure the returned pointer is still valid. 61287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Otherwise, the pointer may have been overwritten on a different thread before the object's 61387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // ref count was incremented. 61487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fCache.get()->ref(); 61587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return fCache; 616589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 617589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 618589708bf7c706348b763e8277004cb160b202bdbrileya@google.com/* 619589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * Because our caller might rebuild the same (logically the same) gradient 620589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * over and over, we'd like to return exactly the same "bitmap" if possible, 621589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * allowing the client to utilize a cache of our bitmap (e.g. with a GPU). 622589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * To do that, we maintain a private cache of built-bitmaps, based on our 623589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * colors and positions. Note: we don't try to flatten the fMapper, so if one 624589708bf7c706348b763e8277004cb160b202bdbrileya@google.com * is present, we skip the cache for now. 625589708bf7c706348b763e8277004cb160b202bdbrileya@google.com */ 6261c6d64b78b24083ee9fd7411dac8a4a7e2d03a3crileya@google.comvoid SkGradientShaderBase::getGradientTableBitmap(SkBitmap* bitmap) const { 627589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // our caller assumes no external alpha, so we ensure that our cache is 628589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // built with 0xFF 62987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkAutoTUnref<GradientShaderCache> cache(this->refCache(0xFF)); 630589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 631589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // don't have a way to put the mapper into our cache-key yet 632589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fMapper) { 63387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // force our cache32pixelref to be built 63487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org (void)cache->getCache32(); 635e24ad23ae67ffcb0dc545b7e426cf08d102e0868commit-bot@chromium.org bitmap->setConfig(SkImageInfo::MakeN32Premul(kCache32Count, 1)); 63687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org bitmap->setPixelRef(cache->getCache32PixelRef()); 637589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return; 638589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 639589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 6403d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com // build our key: [numColors + colors[] + {positions[]} + flags ] 6413d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com int count = 1 + fColorCount + 1; 642589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount > 2) { 643589708bf7c706348b763e8277004cb160b202bdbrileya@google.com count += fColorCount - 1; // fRecs[].fPos 644589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 645589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 646589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkAutoSTMalloc<16, int32_t> storage(count); 647589708bf7c706348b763e8277004cb160b202bdbrileya@google.com int32_t* buffer = storage.get(); 648589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 649589708bf7c706348b763e8277004cb160b202bdbrileya@google.com *buffer++ = fColorCount; 650589708bf7c706348b763e8277004cb160b202bdbrileya@google.com memcpy(buffer, fOrigColors, fColorCount * sizeof(SkColor)); 651589708bf7c706348b763e8277004cb160b202bdbrileya@google.com buffer += fColorCount; 652589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount > 2) { 653589708bf7c706348b763e8277004cb160b202bdbrileya@google.com for (int i = 1; i < fColorCount; i++) { 654589708bf7c706348b763e8277004cb160b202bdbrileya@google.com *buffer++ = fRecs[i].fPos; 655589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 656589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 6573d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com *buffer++ = fGradFlags; 658589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkASSERT(buffer - storage.get() == count); 659589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 660589708bf7c706348b763e8277004cb160b202bdbrileya@google.com /////////////////////////////////// 661589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 662589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DECLARE_STATIC_MUTEX(gMutex); 663589708bf7c706348b763e8277004cb160b202bdbrileya@google.com static SkBitmapCache* gCache; 664589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // each cache cost 1K of RAM, since each bitmap will be 1x256 at 32bpp 665589708bf7c706348b763e8277004cb160b202bdbrileya@google.com static const int MAX_NUM_CACHED_GRADIENT_BITMAPS = 32; 666589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkAutoMutexAcquire ama(gMutex); 667589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 668589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (NULL == gCache) { 669589708bf7c706348b763e8277004cb160b202bdbrileya@google.com gCache = SkNEW_ARGS(SkBitmapCache, (MAX_NUM_CACHED_GRADIENT_BITMAPS)); 670589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 671589708bf7c706348b763e8277004cb160b202bdbrileya@google.com size_t size = count * sizeof(int32_t); 672589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 673589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (!gCache->find(storage.get(), size, bitmap)) { 674589708bf7c706348b763e8277004cb160b202bdbrileya@google.com // force our cahce32pixelref to be built 67587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org (void)cache->getCache32(); 676e24ad23ae67ffcb0dc545b7e426cf08d102e0868commit-bot@chromium.org bitmap->setConfig(SkImageInfo::MakeN32Premul(kCache32Count, 1)); 67787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org bitmap->setPixelRef(cache->getCache32PixelRef()); 678589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 679589708bf7c706348b763e8277004cb160b202bdbrileya@google.com gCache->add(storage.get(), size, *bitmap); 680589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 681589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 682589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 68344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.orgvoid SkGradientShaderBase::commonAsAGradient(GradientInfo* info, bool flipGrad) const { 684589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (info) { 685589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (info->fColorCount >= fColorCount) { 68644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkColor* colorLoc; 68744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org Rec* recLoc; 68844d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org if (flipGrad && (info->fColors || info->fColorOffsets)) { 68944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, SkColor> colorStorage(fColorCount); 69044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, Rec> recStorage(fColorCount); 69144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org colorLoc = colorStorage.get(); 69244d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org recLoc = recStorage.get(); 69344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org FlipGradientColors(colorLoc, recLoc, fOrigColors, fRecs, fColorCount); 69444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } else { 69544d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org colorLoc = fOrigColors; 69644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org recLoc = fRecs; 69744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 698589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (info->fColors) { 69944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org memcpy(info->fColors, colorLoc, fColorCount * sizeof(SkColor)); 700589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 701589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (info->fColorOffsets) { 702589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (fColorCount == 2) { 703589708bf7c706348b763e8277004cb160b202bdbrileya@google.com info->fColorOffsets[0] = 0; 704589708bf7c706348b763e8277004cb160b202bdbrileya@google.com info->fColorOffsets[1] = SK_Scalar1; 705589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } else if (fColorCount > 2) { 70676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com for (int i = 0; i < fColorCount; ++i) { 70744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org info->fColorOffsets[i] = SkFixedToScalar(recLoc[i].fPos); 70876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 709589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 710589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 711589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 712589708bf7c706348b763e8277004cb160b202bdbrileya@google.com info->fColorCount = fColorCount; 713589708bf7c706348b763e8277004cb160b202bdbrileya@google.com info->fTileMode = fTileMode; 7143d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com info->fGradientFlags = fGradFlags; 715589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 716589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 717589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 7180f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org#ifndef SK_IGNORE_TO_STRING 71976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkGradientShaderBase::toString(SkString* str) const { 72076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 72176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->appendf("%d colors: ", fColorCount); 72276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 72376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com for (int i = 0; i < fColorCount; ++i) { 72476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->appendHex(fOrigColors[i]); 72576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com if (i < fColorCount-1) { 72676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(", "); 72776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 72876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 72976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 73076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com if (fColorCount > 2) { 73176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(" points: ("); 73276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com for (int i = 0; i < fColorCount; ++i) { 73376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->appendScalar(SkFixedToScalar(fRecs[i].fPos)); 73476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com if (i < fColorCount-1) { 73576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(", "); 73676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 73776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 73876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 73976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com } 74076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 74176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com static const char* gTileModeName[SkShader::kTileModeCount] = { 74276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com "clamp", "repeat", "mirror" 74376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com }; 74476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 74576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(" "); 74676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(gTileModeName[fTileMode]); 74776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 74876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com // TODO: add "fMapper->toString(str);" when SkUnitMapper::toString is added 74976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 75076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 75176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 75276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 75376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 754589708bf7c706348b763e8277004cb160b202bdbrileya@google.com/////////////////////////////////////////////////////////////////////////////// 755589708bf7c706348b763e8277004cb160b202bdbrileya@google.com/////////////////////////////////////////////////////////////////////////////// 756589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 757589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#include "SkEmptyShader.h" 758589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 759589708bf7c706348b763e8277004cb160b202bdbrileya@google.com// assumes colors is SkColor* and pos is SkScalar* 760589708bf7c706348b763e8277004cb160b202bdbrileya@google.com#define EXPAND_1_COLOR(count) \ 761589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkColor tmp[2]; \ 762589708bf7c706348b763e8277004cb160b202bdbrileya@google.com do { \ 763589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (1 == count) { \ 764589708bf7c706348b763e8277004cb160b202bdbrileya@google.com tmp[0] = tmp[1] = colors[0]; \ 765589708bf7c706348b763e8277004cb160b202bdbrileya@google.com colors = tmp; \ 766589708bf7c706348b763e8277004cb160b202bdbrileya@google.com pos = NULL; \ 767589708bf7c706348b763e8277004cb160b202bdbrileya@google.com count = 2; \ 768589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } \ 769589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } while (0) 770589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 771437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.comstatic void desc_init(SkGradientShaderBase::Descriptor* desc, 772437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com const SkColor colors[], 773437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com const SkScalar pos[], int colorCount, 774437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkShader::TileMode mode, 7753d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUnitMapper* mapper, uint32_t flags) { 7766c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fColors = colors; 7776c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fPos = pos; 7786c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fCount = colorCount; 7796c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fTileMode = mode; 7806c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fMapper = mapper; 7816c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org desc->fGradFlags = flags; 782437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com} 783437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com 784589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkShader* SkGradientShader::CreateLinear(const SkPoint pts[2], 785589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkColor colors[], 786589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkScalar pos[], int colorCount, 787589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkShader::TileMode mode, 7883d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUnitMapper* mapper, 7899c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org uint32_t flags, 7909c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix) { 791589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (NULL == pts || NULL == colors || colorCount < 1) { 792589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return NULL; 793589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 794589708bf7c706348b763e8277004cb160b202bdbrileya@google.com EXPAND_1_COLOR(colorCount); 795589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 796437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkGradientShaderBase::Descriptor desc; 7973d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com desc_init(&desc, colors, pos, colorCount, mode, mapper, flags); 7989c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org return SkNEW_ARGS(SkLinearGradient, (pts, desc, localMatrix)); 799589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 800589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 801589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkShader* SkGradientShader::CreateRadial(const SkPoint& center, SkScalar radius, 802589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkColor colors[], 803589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkScalar pos[], int colorCount, 804589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkShader::TileMode mode, 8053d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUnitMapper* mapper, 8069c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org uint32_t flags, 8079c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix) { 808589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (radius <= 0 || NULL == colors || colorCount < 1) { 809589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return NULL; 810589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 811589708bf7c706348b763e8277004cb160b202bdbrileya@google.com EXPAND_1_COLOR(colorCount); 812589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 813437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkGradientShaderBase::Descriptor desc; 8143d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com desc_init(&desc, colors, pos, colorCount, mode, mapper, flags); 8159c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org return SkNEW_ARGS(SkRadialGradient, (center, radius, desc, localMatrix)); 816589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 817589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 818589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkShader* SkGradientShader::CreateTwoPointRadial(const SkPoint& start, 819589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkScalar startRadius, 820589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkPoint& end, 821589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkScalar endRadius, 822589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkColor colors[], 823589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkScalar pos[], 824589708bf7c706348b763e8277004cb160b202bdbrileya@google.com int colorCount, 825589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SkShader::TileMode mode, 8263d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUnitMapper* mapper, 8279c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org uint32_t flags, 8289c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix) { 829589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (startRadius < 0 || endRadius < 0 || NULL == colors || colorCount < 1) { 830589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return NULL; 831589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 832589708bf7c706348b763e8277004cb160b202bdbrileya@google.com EXPAND_1_COLOR(colorCount); 833fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 834437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkGradientShaderBase::Descriptor desc; 8353d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com desc_init(&desc, colors, pos, colorCount, mode, mapper, flags); 836589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return SkNEW_ARGS(SkTwoPointRadialGradient, 8379c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org (start, startRadius, end, endRadius, desc, localMatrix)); 838589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 839589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 840589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkShader* SkGradientShader::CreateTwoPointConical(const SkPoint& start, 8413d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkScalar startRadius, 8423d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com const SkPoint& end, 8433d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkScalar endRadius, 8443d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com const SkColor colors[], 8453d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com const SkScalar pos[], 8463d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com int colorCount, 8473d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkShader::TileMode mode, 8483d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com SkUnitMapper* mapper, 8499c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org uint32_t flags, 8509c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix) { 851589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (startRadius < 0 || endRadius < 0 || NULL == colors || colorCount < 1) { 852589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return NULL; 853589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 854589708bf7c706348b763e8277004cb160b202bdbrileya@google.com if (start == end && startRadius == endRadius) { 855589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return SkNEW(SkEmptyShader); 856589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 85744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 8581ee7c6a18a511cde879941324f173ad4c8c123f8rileya@google.com EXPAND_1_COLOR(colorCount); 859589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 86044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org bool flipGradient = startRadius > endRadius; 86144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 862437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkGradientShaderBase::Descriptor desc; 86344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 86444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org if (!flipGradient) { 86544d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org desc_init(&desc, colors, pos, colorCount, mode, mapper, flags); 86644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org return SkNEW_ARGS(SkTwoPointConicalGradient, 8679c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org (start, startRadius, end, endRadius, flipGradient, desc, localMatrix)); 86844d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } else { 86944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, SkColor> colorsNew(colorCount); 87044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org SkAutoSTArray<8, SkScalar> posNew(colorCount); 87144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org for (int i = 0; i < colorCount; ++i) { 87244d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org colorsNew[i] = colors[colorCount - i - 1]; 87344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 87444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 87544d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org if (pos) { 87644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org for (int i = 0; i < colorCount; ++i) { 87744d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org posNew[i] = 1 - pos[colorCount - i - 1]; 87844d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 87944d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org desc_init(&desc, colorsNew.get(), posNew.get(), colorCount, mode, mapper, flags); 88044d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } else { 88144d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org desc_init(&desc, colorsNew.get(), NULL, colorCount, mode, mapper, flags); 88244d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 88344d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org 88444d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org return SkNEW_ARGS(SkTwoPointConicalGradient, 8859c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org (end, endRadius, start, startRadius, flipGradient, desc, localMatrix)); 88644d83c1e81b0555efa94f78e2a53b862208cdd06commit-bot@chromium.org } 887589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 888589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 889589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSkShader* SkGradientShader::CreateSweep(SkScalar cx, SkScalar cy, 890589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkColor colors[], 891589708bf7c706348b763e8277004cb160b202bdbrileya@google.com const SkScalar pos[], 8923d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com int colorCount, SkUnitMapper* mapper, 8939c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org uint32_t flags, 8949c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix) { 895437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com if (NULL == colors || colorCount < 1) { 896589708bf7c706348b763e8277004cb160b202bdbrileya@google.com return NULL; 897589708bf7c706348b763e8277004cb160b202bdbrileya@google.com } 898437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com EXPAND_1_COLOR(colorCount); 899589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 900437d6eb4e0d91710fdeb7ecedb694f658458ae00reed@google.com SkGradientShaderBase::Descriptor desc; 9013d3a860d0ba878adb905512a45c500a67532b0a3reed@google.com desc_init(&desc, colors, pos, colorCount, SkShader::kClamp_TileMode, mapper, flags); 9029c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org return SkNEW_ARGS(SkSweepGradient, (cx, cy, desc, localMatrix)); 903589708bf7c706348b763e8277004cb160b202bdbrileya@google.com} 904589708bf7c706348b763e8277004cb160b202bdbrileya@google.com 905589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkGradientShader) 906589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLinearGradient) 907589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkRadialGradient) 908589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSweepGradient) 909589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTwoPointRadialGradient) 910589708bf7c706348b763e8277004cb160b202bdbrileya@google.com SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTwoPointConicalGradient) 911589708bf7c706348b763e8277004cb160b202bdbrileya@google.comSK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END 912d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 913d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com/////////////////////////////////////////////////////////////////////////////// 914d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 915cf8fb1f6f03fc77f9927564f9ef9abeeeec508d2bsalomon@google.com#if SK_SUPPORT_GPU 916cf8fb1f6f03fc77f9927564f9ef9abeeeec508d2bsalomon@google.com 917b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com#include "effects/GrTextureStripAtlas.h" 918c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com#include "GrTBackendEffectFactory.h" 919cf8fb1f6f03fc77f9927564f9ef9abeeeec508d2bsalomon@google.com#include "SkGr.h" 920cf8fb1f6f03fc77f9927564f9ef9abeeeec508d2bsalomon@google.com 9210707c29413a5a3cc1c2d14b8c65b3692af5c7411bsalomon@google.comGrGLGradientEffect::GrGLGradientEffect(const GrBackendEffectFactory& factory) 922b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com : INHERITED(factory) 92377af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com , fCachedYCoord(SK_ScalarMax) { 924d8b5faca043100d7a1e4594b4d10e462532af390bsalomon@google.com} 925d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 9260707c29413a5a3cc1c2d14b8c65b3692af5c7411bsalomon@google.comGrGLGradientEffect::~GrGLGradientEffect() { } 927d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 92882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.comvoid GrGLGradientEffect::emitUniforms(GrGLShaderBuilder* builder, EffectKey key) { 92982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 930996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(key)) { // 2 Color case 93182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fColorStartUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 93282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kVec4f_GrSLType, "GradientStartColor"); 93382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fColorEndUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 93482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kVec4f_GrSLType, "GradientEndColor"); 9359a070f24f1450091dfe25cacec8bd375ec7a0e50skia.committer@gmail.com 936996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(key)){ // 3 Color Case 93782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fColorStartUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 93882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kVec4f_GrSLType, "GradientStartColor"); 93982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fColorMidUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 94082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kVec4f_GrSLType, "GradientMidColor"); 94182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fColorEndUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 94282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kVec4f_GrSLType, "GradientEndColor"); 94382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 94482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { // if not a fast case 94582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fFSYUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, 94682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com kFloat_GrSLType, "GradientYCoordFS"); 94782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 94882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com} 94982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 95082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.comstatic inline void set_color_uni(const GrGLUniformManager& uman, 95182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const GrGLUniformManager::UniformHandle uni, 95282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const SkColor* color) { 95382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com uman.set4f(uni, 95482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetR(*color) / 255.f, 95582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetG(*color) / 255.f, 95682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetB(*color) / 255.f, 95782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetA(*color) / 255.f); 95882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com} 95982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 96082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.comstatic inline void set_mul_color_uni(const GrGLUniformManager& uman, 96182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const GrGLUniformManager::UniformHandle uni, 96282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const SkColor* color){ 96382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com float a = SkColorGetA(*color) / 255.f; 96482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com float aDiv255 = a / 255.f; 96582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com uman.set4f(uni, 96682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetR(*color) * aDiv255, 96782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetG(*color) * aDiv255, 96882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkColorGetB(*color) * aDiv255, 96982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com a); 970b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com} 971b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com 972c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.comvoid GrGLGradientEffect::setData(const GrGLUniformManager& uman, 973c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrDrawEffect& drawEffect) { 97482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 975c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGradientEffect& e = drawEffect.castEffect<GrGradientEffect>(); 976d8b5faca043100d7a1e4594b4d10e462532af390bsalomon@google.com 97782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 978996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == e.getColorType()){ 97982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 98082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (GrGradientEffect::kBeforeInterp_PremulType == e.getPremulType()) { 98182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_mul_color_uni(uman, fColorStartUni, e.getColors(0)); 98282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_mul_color_uni(uman, fColorEndUni, e.getColors(1)); 98382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 98482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_color_uni(uman, fColorStartUni, e.getColors(0)); 98582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_color_uni(uman, fColorEndUni, e.getColors(1)); 98682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 98782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 988996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (SkGradientShaderBase::kThree_GpuColorType == e.getColorType()){ 98982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 99082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (GrGradientEffect::kBeforeInterp_PremulType == e.getPremulType()) { 99182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_mul_color_uni(uman, fColorStartUni, e.getColors(0)); 99282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_mul_color_uni(uman, fColorMidUni, e.getColors(1)); 99382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_mul_color_uni(uman, fColorEndUni, e.getColors(2)); 99482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 99582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_color_uni(uman, fColorStartUni, e.getColors(0)); 99682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_color_uni(uman, fColorMidUni, e.getColors(1)); 99782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com set_color_uni(uman, fColorEndUni, e.getColors(2)); 99882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 99982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 10009a070f24f1450091dfe25cacec8bd375ec7a0e50skia.committer@gmail.com 100182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkScalar yCoord = e.getYCoord(); 100282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (yCoord != fCachedYCoord) { 100382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com uman.set1f(fFSYUni, yCoord); 100482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fCachedYCoord = yCoord; 100582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 1006b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com } 1007b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com} 1008b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com 100982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 101082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.comGrGLEffect::EffectKey GrGLGradientEffect::GenBaseGradientKey(const GrDrawEffect& drawEffect) { 1011c78188896e28a4ae49e406a7422b345ae177dafebsalomon@google.com const GrGradientEffect& e = drawEffect.castEffect<GrGradientEffect>(); 10129a070f24f1450091dfe25cacec8bd375ec7a0e50skia.committer@gmail.com 101377af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com EffectKey key = 0; 101482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 1015996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == e.getColorType()) { 101682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com key |= kTwoColorKey; 1017996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (SkGradientShaderBase::kThree_GpuColorType == e.getColorType()){ 101882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com key |= kThreeColorKey; 101982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 102082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 102182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (GrGradientEffect::kBeforeInterp_PremulType == e.getPremulType()) { 102282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com key |= kPremulBeforeInterpKey; 102382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 102482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 102582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com return key; 1026d8b5faca043100d7a1e4594b4d10e462532af390bsalomon@google.com} 1027d8b5faca043100d7a1e4594b4d10e462532af390bsalomon@google.com 102882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.comvoid GrGLGradientEffect::emitColor(GrGLShaderBuilder* builder, 102982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const char* gradientTValue, 103082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com EffectKey key, 103182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const char* outputColor, 103282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com const char* inputColor, 10333390b9ac9ad69a6e772c2b957d75d19611239025commit-bot@chromium.org const TextureSamplerArray& samplers) { 1034996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(key)){ 103582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0, 1.0));\n", 103682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->getUniformVariable(fColorStartUni).c_str(), 103782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->getUniformVariable(fColorEndUni).c_str(), 103882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com gradientTValue); 103982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // Note that we could skip this step if both colors are known to be opaque. Two 104082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // considerations: 104182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // The gradient SkShader reporting opaque is more restrictive than necessary in the two pt 104282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // case. Make sure the key reflects this optimization (and note that it can use the same 104382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // shader as thekBeforeIterp case). This same optimization applies to the 3 color case below. 104482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(key)) { 104582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppend("\tcolorTemp.rgb *= colorTemp.a;\n"); 104682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 104782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 1048824c346b6e0e114063c1a8ad4ba7c3a669ee2cffcommit-bot@chromium.org builder->fsCodeAppendf("\t%s = %s;\n", outputColor, 1049a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org (GrGLSLExpr4(inputColor) * GrGLSLExpr4("colorTemp")).c_str()); 1050996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(key)){ 105182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppendf("\tfloat oneMinus2t = 1.0 - (2.0 * (%s));\n", 105282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com gradientTValue); 10530694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppendf("\tvec4 colorTemp = clamp(oneMinus2t, 0.0, 1.0) * %s;\n", 10540694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->getUniformVariable(fColorStartUni).c_str()); 10550694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org if (kTegra3_GrGLRenderer == builder->ctxInfo().renderer()) { 10560694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org // The Tegra3 compiler will sometimes never return if we have 10570694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org // min(abs(oneMinus2t), 1.0), or do the abs first in a separate expression. 10580694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppend("\tfloat minAbs = abs(oneMinus2t);\n"); 10590694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppend("\tminAbs = minAbs > 1.0 ? 1.0 : minAbs;\n"); 10600694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppendf("\tcolorTemp += (1.0 - minAbs) * %s;\n", 10610694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->getUniformVariable(fColorMidUni).c_str()); 10620694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org } else { 10630694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppendf("\tcolorTemp += (1.0 - min(abs(oneMinus2t), 1.0)) * %s;\n", 10640694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->getUniformVariable(fColorMidUni).c_str()); 10650694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org } 10660694ea7f6a16e946972b9c625f434e80eb42bb5fcommit-bot@chromium.org builder->fsCodeAppendf("\tcolorTemp += clamp(-oneMinus2t, 0.0, 1.0) * %s;\n", 106782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->getUniformVariable(fColorEndUni).c_str()); 106882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(key)) { 106982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppend("\tcolorTemp.rgb *= colorTemp.a;\n"); 107082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 107134bcb9f80336fe0dc56ad5f67aeb0859bf84d92ebsalomon@google.com 1072824c346b6e0e114063c1a8ad4ba7c3a669ee2cffcommit-bot@chromium.org builder->fsCodeAppendf("\t%s = %s;\n", outputColor, 1073a34995e18b1f0a7d8c9f23451718bb30ff0105b0commit-bot@chromium.org (GrGLSLExpr4(inputColor) * GrGLSLExpr4("colorTemp")).c_str()); 107482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 107582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppendf("\tvec2 coord = vec2(%s, %s);\n", 107682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com gradientTValue, 107782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->getUniformVariable(fFSYUni).c_str()); 107882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppendf("\t%s = ", outputColor); 107982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsAppendTextureLookupAndModulate(inputColor, 108082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com samplers[0], 108182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com "coord"); 108282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com builder->fsCodeAppend(";\n"); 108382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 1084d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com} 1085d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 1086d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com///////////////////////////////////////////////////////////////////// 1087d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 1088fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.comGrGradientEffect::GrGradientEffect(GrContext* ctx, 10891c6d64b78b24083ee9fd7411dac8a4a7e2d03a3crileya@google.com const SkGradientShaderBase& shader, 1090d8b5faca043100d7a1e4594b4d10e462532af390bsalomon@google.com const SkMatrix& matrix, 109150db75c871b203081a32190ab173f13c785a147fbsalomon@google.com SkShader::TileMode tileMode) { 1092d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 1093371e105da5d9fdfff3b4242b37ff6fc09214c8c8bsalomon@google.com fIsOpaque = shader.isOpaque(); 1094371e105da5d9fdfff3b4242b37ff6fc09214c8c8bsalomon@google.com 1095996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org fColorType = shader.getGpuColorType(&fColors[0]); 109682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 109782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // The two and three color specializations do not currently support tiling. 1098996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == fColorType || 1099996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org SkGradientShaderBase::kThree_GpuColorType == fColorType) { 1100996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org fRow = -1; 11018a777a5e6ad081f54ec169dcf714343c38517161skia.committer@gmail.com 11026c5aea2f10033d527b7785dd0d7b7d5ca65bccdacommit-bot@chromium.org if (SkGradientShader::kInterpolateColorsInPremul_Flag & shader.getGradFlags()) { 110382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fPremulType = kBeforeInterp_PremulType; 110482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 110582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fPremulType = kAfterInterp_PremulType; 110682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 110777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com fCoordTransform.reset(kCoordSet, matrix); 1108b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com } else { 110982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // doesn't matter how this is set, just be consistent because it is part of the effect key. 111082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fPremulType = kBeforeInterp_PremulType; 111182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkBitmap bitmap; 111282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com shader.getGradientTableBitmap(&bitmap); 11139a070f24f1450091dfe25cacec8bd375ec7a0e50skia.committer@gmail.com 111482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com GrTextureStripAtlas::Desc desc; 111582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com desc.fWidth = bitmap.width(); 111682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com desc.fHeight = 32; 111782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com desc.fRowHeight = bitmap.height(); 111882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com desc.fContext = ctx; 11193adcc3403377c0b9a7afde6db8e0432325413a10commit-bot@chromium.org desc.fConfig = SkImageInfo2GrPixelConfig(bitmap.info()); 112082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fAtlas = GrTextureStripAtlas::GetAtlas(desc); 112182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com SkASSERT(NULL != fAtlas); 112282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 112382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // We always filter the gradient table. Each table is one row of a texture, always y-clamp. 112482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com GrTextureParams params; 112582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com params.setFilterMode(GrTextureParams::kBilerp_FilterMode); 112682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com params.setTileModeX(tileMode); 112782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 112882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fRow = fAtlas->lockRow(bitmap); 112982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (-1 != fRow) { 113082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fYCoord = fAtlas->getYOffset(fRow) + SK_ScalarHalf * 113182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fAtlas->getVerticalScaleFactor(); 113277af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com fCoordTransform.reset(kCoordSet, matrix, fAtlas->getTexture()); 113382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fTextureAccess.reset(fAtlas->getTexture(), params); 113482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } else { 113582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com GrTexture* texture = GrLockAndRefCachedBitmapTexture(ctx, bitmap, ¶ms); 113677af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com fCoordTransform.reset(kCoordSet, matrix, texture); 113782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fTextureAccess.reset(texture, params); 113882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fYCoord = SK_ScalarHalf; 113982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 114082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // Unlock immediately, this is not great, but we don't have a way of 114182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // knowing when else to unlock it currently, so it may get purged from 114282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com // the cache, but it'll still be ref'd until it's no longer being used. 114382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com GrUnlockAndUnrefCachedBitmapTexture(texture); 114482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 114582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com this->addTextureAccess(&fTextureAccess); 1146b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com } 114777af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com this->addCoordTransform(&fCoordTransform); 1148d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com} 1149d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 1150d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.comGrGradientEffect::~GrGradientEffect() { 1151b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com if (this->useAtlas()) { 1152b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com fAtlas->unlockRow(fRow); 1153b3e50f23c57d058820701219e66b6bfb8e0681a4rileya@google.com } 1154d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com} 1155d7cc651b8da11d52ae90e910b948f5e2d15daaf9rileya@google.com 11568a252f79629b189a03de22cd8ff0312c5bccedd1bsalomon@google.combool GrGradientEffect::onIsEqual(const GrEffect& effect) const { 11576340a41108633ac1ce5941e5cd30538630c4c55bbsalomon@google.com const GrGradientEffect& s = CastEffect<GrGradientEffect>(effect); 115882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 115982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (this->fColorType == s.getColorType()){ 116082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 1161996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org if (SkGradientShaderBase::kTwo_GpuColorType == fColorType) { 116282d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (*this->getColors(0) != *s.getColors(0) || 116382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com *this->getColors(1) != *s.getColors(1)) { 116482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com return false; 116582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 1166996402bddb4d886c38dee17341e5833500901933commit-bot@chromium.org } else if (SkGradientShaderBase::kThree_GpuColorType == fColorType) { 116782d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com if (*this->getColors(0) != *s.getColors(0) || 116882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com *this->getColors(1) != *s.getColors(1) || 116982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com *this->getColors(2) != *s.getColors(2)) { 117082d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com return false; 117182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 1172c0de5d6b5fe312ec39a544fcefdb7673082a07b8robertphillips@google.com } else { 1173c0de5d6b5fe312ec39a544fcefdb7673082a07b8robertphillips@google.com if (fYCoord != s.getYCoord()) { 1174c0de5d6b5fe312ec39a544fcefdb7673082a07b8robertphillips@google.com return false; 1175c0de5d6b5fe312ec39a544fcefdb7673082a07b8robertphillips@google.com } 117682d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 11779a070f24f1450091dfe25cacec8bd375ec7a0e50skia.committer@gmail.com 117882d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com return fTextureAccess.getTexture() == s.fTextureAccess.getTexture() && 117982d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com fTextureAccess.getParams().getTileModeX() == 118068b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com s.fTextureAccess.getParams().getTileModeX() && 118182d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com this->useAtlas() == s.useAtlas() && 118277af6805e5faea1e2a5c0220098aec9082f3a6e5bsalomon@google.com fCoordTransform.getMatrix().cheapEqualTo(s.fCoordTransform.getMatrix()); 118382d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com } 118482d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com 118582d1223aece4703bc9f3a3612cbabaa8c2f2809bbsalomon@google.com return false; 118668b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com} 118768b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 118868b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.comvoid GrGradientEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const { 1189b8eb2e89edf914caf5479baeffcb670d3e93f496bsalomon@google.com if (fIsOpaque && (kA_GrColorComponentFlag & *validFlags) && 0xff == GrColorUnpackA(*color)) { 1190b8eb2e89edf914caf5479baeffcb670d3e93f496bsalomon@google.com *validFlags = kA_GrColorComponentFlag; 119168b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com } else { 119268b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com *validFlags = 0; 119368b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com } 119468b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com} 119568b58c95384dd6c2fd389a5b4bbf8fc468819454bsalomon@google.com 1196e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgint GrGradientEffect::RandomGradientParams(SkRandom* random, 1197d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com SkColor colors[], 1198d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com SkScalar** stops, 1199d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com SkShader::TileMode* tm) { 1200d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com int outColors = random->nextRangeU(1, kMaxRandomGradientColors); 1201d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com 1202d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com // if one color, omit stops, otherwise randomly decide whether or not to 1203d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com if (outColors == 1 || (outColors >= 2 && random->nextBool())) { 1204d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com *stops = NULL; 1205d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com } 1206d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com 120781712883419f76e25d2ffec38a9438284a45a48dbsalomon@google.com SkScalar stop = 0.f; 1208d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com for (int i = 0; i < outColors; ++i) { 1209d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com colors[i] = random->nextU(); 1210d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com if (NULL != *stops) { 1211d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com (*stops)[i] = stop; 1212d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - stop) : 1.f; 1213d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com } 1214d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com } 1215d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileModeCount)); 1216d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com 1217d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com return outColors; 1218d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com} 1219d472620458e2383e6dd949f4e1aaf61160717ffebsalomon@google.com 1220cf8fb1f6f03fc77f9927564f9ef9abeeeec508d2bsalomon@google.com#endif 1221