rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkSweepGradient.h" |
| 9 | |
mtklein | cc695fe | 2014-12-10 10:29:19 -0800 | [diff] [blame] | 10 | static SkMatrix translate(SkScalar dx, SkScalar dy) { |
| 11 | SkMatrix matrix; |
| 12 | matrix.setTranslate(dx, dy); |
| 13 | return matrix; |
| 14 | } |
| 15 | |
reed | addf2ed | 2014-08-11 08:28:24 -0700 | [diff] [blame] | 16 | SkSweepGradient::SkSweepGradient(SkScalar cx, SkScalar cy, const Descriptor& desc) |
mtklein | cc695fe | 2014-12-10 10:29:19 -0800 | [diff] [blame] | 17 | : SkGradientShaderBase(desc, translate(-cx, -cy)) |
reed@google.com | 3d3a860 | 2013-05-24 14:58:44 +0000 | [diff] [blame] | 18 | , fCenter(SkPoint::Make(cx, cy)) |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 19 | { |
reed@google.com | 437d6eb | 2013-05-23 19:03:05 +0000 | [diff] [blame] | 20 | // overwrite the tilemode to a canonical value (since sweep ignores it) |
| 21 | fTileMode = SkShader::kClamp_TileMode; |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 22 | } |
| 23 | |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 24 | SkShader::GradientType SkSweepGradient::asAGradient(GradientInfo* info) const { |
| 25 | if (info) { |
| 26 | commonAsAGradient(info); |
| 27 | info->fPoint[0] = fCenter; |
| 28 | } |
| 29 | return kSweep_GradientType; |
| 30 | } |
| 31 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 32 | sk_sp<SkFlattenable> SkSweepGradient::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 33 | DescriptorScope desc; |
| 34 | if (!desc.unflatten(buffer)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 35 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 36 | } |
| 37 | const SkPoint center = buffer.readPoint(); |
brianosman | e25d71c | 2016-09-28 11:27:28 -0700 | [diff] [blame] | 38 | return SkGradientShader::MakeSweep(center.x(), center.y(), desc.fColors, |
| 39 | std::move(desc.fColorSpace), desc.fPos, desc.fCount, |
| 40 | desc.fGradFlags, desc.fLocalMatrix); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 41 | } |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 42 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 43 | void SkSweepGradient::flatten(SkWriteBuffer& buffer) const { |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 44 | this->INHERITED::flatten(buffer); |
| 45 | buffer.writePoint(fCenter); |
| 46 | } |
| 47 | |
reed | 773ceda | 2016-03-03 18:18:25 -0800 | [diff] [blame] | 48 | size_t SkSweepGradient::onContextSize(const ContextRec&) const { |
reed | a0cee5f | 2016-03-04 07:38:11 -0800 | [diff] [blame] | 49 | return sizeof(SweepGradientContext); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 50 | } |
| 51 | |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 52 | SkShader::Context* SkSweepGradient::onCreateContext(const ContextRec& rec, void* storage) const { |
fmalita | 088e21b | 2016-10-05 09:28:42 -0700 | [diff] [blame] | 53 | return CheckedCreateContext<SweepGradientContext>(storage, *this, rec); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | SkSweepGradient::SweepGradientContext::SweepGradientContext( |
commit-bot@chromium.org | e901b6d | 2014-05-01 19:31:31 +0000 | [diff] [blame] | 57 | const SkSweepGradient& shader, const ContextRec& rec) |
| 58 | : INHERITED(shader, rec) {} |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 59 | |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 60 | // returns angle in a circle [0..2PI) -> [0..255] |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 61 | static unsigned SkATan2_255(float y, float x) { |
| 62 | // static const float g255Over2PI = 255 / (2 * SK_ScalarPI); |
| 63 | static const float g255Over2PI = 40.584510488433314f; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 64 | |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 65 | float result = sk_float_atan2(y, x); |
robertphillips | 1d265ca | 2015-12-07 09:54:02 -0800 | [diff] [blame] | 66 | if (!SkScalarIsFinite(result)) { |
| 67 | return 0; |
| 68 | } |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 69 | if (result < 0) { |
| 70 | result += 2 * SK_ScalarPI; |
| 71 | } |
| 72 | SkASSERT(result >= 0); |
| 73 | // since our value is always >= 0, we can cast to int, which is faster than |
| 74 | // calling floorf() |
| 75 | int ir = (int)(result * g255Over2PI); |
| 76 | SkASSERT(ir >= 0 && ir <= 255); |
| 77 | return ir; |
| 78 | } |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 79 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 80 | void SkSweepGradient::SweepGradientContext::shadeSpan(int x, int y, SkPMColor* SK_RESTRICT dstC, |
| 81 | int count) { |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 82 | SkMatrix::MapXYProc proc = fDstToIndexProc; |
| 83 | const SkMatrix& matrix = fDstToIndex; |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 84 | const SkPMColor* SK_RESTRICT cache = fCache->getCache32(); |
reed@google.com | 6004029 | 2013-02-04 18:21:23 +0000 | [diff] [blame] | 85 | int toggle = init_dither_toggle(x, y); |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 86 | SkPoint srcPt; |
| 87 | |
| 88 | if (fDstToIndexClass != kPerspective_MatrixClass) { |
| 89 | proc(matrix, SkIntToScalar(x) + SK_ScalarHalf, |
| 90 | SkIntToScalar(y) + SK_ScalarHalf, &srcPt); |
| 91 | SkScalar dx, fx = srcPt.fX; |
| 92 | SkScalar dy, fy = srcPt.fY; |
| 93 | |
| 94 | if (fDstToIndexClass == kFixedStepInX_MatrixClass) { |
benjaminwagner | 8e17556 | 2016-02-16 10:09:40 -0800 | [diff] [blame] | 95 | const auto step = matrix.fixedStepInX(SkIntToScalar(y) + SK_ScalarHalf); |
| 96 | dx = step.fX; |
| 97 | dy = step.fY; |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 98 | } else { |
| 99 | SkASSERT(fDstToIndexClass == kLinear_MatrixClass); |
| 100 | dx = matrix.getScaleX(); |
| 101 | dy = matrix.getSkewY(); |
| 102 | } |
| 103 | |
| 104 | for (; count > 0; --count) { |
reed@google.com | 6004029 | 2013-02-04 18:21:23 +0000 | [diff] [blame] | 105 | *dstC++ = cache[toggle + SkATan2_255(fy, fx)]; |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 106 | fx += dx; |
| 107 | fy += dy; |
reed@google.com | 6004029 | 2013-02-04 18:21:23 +0000 | [diff] [blame] | 108 | toggle = next_dither_toggle(toggle); |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 109 | } |
| 110 | } else { // perspective case |
| 111 | for (int stop = x + count; x < stop; x++) { |
| 112 | proc(matrix, SkIntToScalar(x) + SK_ScalarHalf, |
| 113 | SkIntToScalar(y) + SK_ScalarHalf, &srcPt); |
reed@google.com | 6004029 | 2013-02-04 18:21:23 +0000 | [diff] [blame] | 114 | *dstC++ = cache[toggle + SkATan2_255(srcPt.fY, srcPt.fX)]; |
reed@google.com | 6004029 | 2013-02-04 18:21:23 +0000 | [diff] [blame] | 115 | toggle = next_dither_toggle(toggle); |
rileya@google.com | 589708b | 2012-07-26 20:04:23 +0000 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
rileya@google.com | d7cc651 | 2012-07-27 14:00:39 +0000 | [diff] [blame] | 120 | ///////////////////////////////////////////////////////////////////// |
| 121 | |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 122 | #if SK_SUPPORT_GPU |
| 123 | |
dandov | 9de5b51 | 2014-06-10 14:38:28 -0700 | [diff] [blame] | 124 | #include "SkGr.h" |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 125 | #include "GrShaderCaps.h" |
egdaniel | f529439 | 2015-10-21 07:14:17 -0700 | [diff] [blame] | 126 | #include "gl/GrGLContext.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 127 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
bsalomon@google.com | 2eaaefd | 2012-10-29 19:51:22 +0000 | [diff] [blame] | 128 | |
rileya@google.com | 98e8b6d | 2012-07-31 20:38:06 +0000 | [diff] [blame] | 129 | class GrSweepGradient : public GrGradientEffect { |
| 130 | public: |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 131 | class GLSLSweepProcessor; |
| 132 | |
brianosman | 9557c27 | 2016-09-15 06:59:15 -0700 | [diff] [blame] | 133 | static sk_sp<GrFragmentProcessor> Make(const CreateArgs& args) { |
| 134 | return sk_sp<GrFragmentProcessor>(new GrSweepGradient(args)); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 135 | } |
rileya@google.com | 98e8b6d | 2012-07-31 20:38:06 +0000 | [diff] [blame] | 136 | virtual ~GrSweepGradient() { } |
| 137 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 138 | const char* name() const override { return "Sweep Gradient"; } |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 139 | |
bsalomon@google.com | d472620 | 2012-08-03 14:34:46 +0000 | [diff] [blame] | 140 | private: |
brianosman | 9557c27 | 2016-09-15 06:59:15 -0700 | [diff] [blame] | 141 | GrSweepGradient(const CreateArgs& args) |
| 142 | : INHERITED(args) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 143 | this->initClassID<GrSweepGradient>(); |
| 144 | } |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 145 | |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 146 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 147 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 148 | virtual void onGetGLSLProcessorKey(const GrShaderCaps& caps, |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 149 | GrProcessorKeyBuilder* b) const override; |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 150 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 151 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
rileya@google.com | 98e8b6d | 2012-07-31 20:38:06 +0000 | [diff] [blame] | 152 | |
| 153 | typedef GrGradientEffect INHERITED; |
| 154 | }; |
| 155 | |
| 156 | ///////////////////////////////////////////////////////////////////// |
| 157 | |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 158 | class GrSweepGradient::GLSLSweepProcessor : public GrGradientEffect::GLSLProcessor { |
| 159 | public: |
| 160 | GLSLSweepProcessor(const GrProcessor&) {} |
| 161 | virtual ~GLSLSweepProcessor() { } |
| 162 | |
| 163 | virtual void emitCode(EmitArgs&) override; |
| 164 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 165 | static void GenKey(const GrProcessor& processor, const GrShaderCaps&, GrProcessorKeyBuilder* b) { |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 166 | b->add32(GenBaseGradientKey(processor)); |
| 167 | } |
| 168 | |
| 169 | private: |
| 170 | typedef GrGradientEffect::GLSLProcessor INHERITED; |
| 171 | |
| 172 | }; |
| 173 | |
| 174 | ///////////////////////////////////////////////////////////////////// |
| 175 | |
| 176 | GrGLSLFragmentProcessor* GrSweepGradient::onCreateGLSLInstance() const { |
| 177 | return new GrSweepGradient::GLSLSweepProcessor(*this); |
| 178 | } |
| 179 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 180 | void GrSweepGradient::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 181 | GrProcessorKeyBuilder* b) const { |
| 182 | GrSweepGradient::GLSLSweepProcessor::GenKey(*this, caps, b); |
| 183 | } |
| 184 | |
| 185 | |
| 186 | ///////////////////////////////////////////////////////////////////// |
| 187 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 188 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrSweepGradient); |
bsalomon@google.com | d472620 | 2012-08-03 14:34:46 +0000 | [diff] [blame] | 189 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 190 | sk_sp<GrFragmentProcessor> GrSweepGradient::TestCreate(GrProcessorTestData* d) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 191 | SkPoint center = {d->fRandom->nextUScalar1(), d->fRandom->nextUScalar1()}; |
bsalomon@google.com | d472620 | 2012-08-03 14:34:46 +0000 | [diff] [blame] | 192 | |
Brian Osman | 3f74860 | 2016-10-03 18:29:03 -0400 | [diff] [blame] | 193 | RandomGradientParams params(d->fRandom); |
Brian Osman | a219653 | 2016-10-17 12:48:13 -0400 | [diff] [blame] | 194 | auto shader = params.fUseColors4f ? |
| 195 | SkGradientShader::MakeSweep(center.fX, center.fY, params.fColors4f, params.fColorSpace, |
| 196 | params.fStops, params.fColorCount) : |
| 197 | SkGradientShader::MakeSweep(center.fX, center.fY, params.fColors, |
| 198 | params.fStops, params.fColorCount); |
Brian Osman | 9f532a3 | 2016-10-19 11:12:09 -0400 | [diff] [blame] | 199 | GrTest::TestAsFPArgs asFPArgs(d); |
| 200 | sk_sp<GrFragmentProcessor> fp = shader->asFragmentProcessor(asFPArgs.args()); |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 201 | GrAlwaysAssert(fp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 202 | return fp; |
bsalomon@google.com | d472620 | 2012-08-03 14:34:46 +0000 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | ///////////////////////////////////////////////////////////////////// |
| 206 | |
fmenozzi | 55d318d | 2016-08-09 08:05:57 -0700 | [diff] [blame] | 207 | void GrSweepGradient::GLSLSweepProcessor::emitCode(EmitArgs& args) { |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 208 | const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>(); |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 209 | this->emitUniforms(args.fUniformHandler, ge); |
bsalomon | 1a1aa93 | 2016-09-12 09:30:36 -0700 | [diff] [blame] | 210 | SkString coords2D = args.fFragBuilder->ensureCoords2D(args.fTransformedCoords[0]); |
rileya@google.com | d7cc651 | 2012-07-27 14:00:39 +0000 | [diff] [blame] | 211 | SkString t; |
commit-bot@chromium.org | 54318d3 | 2014-02-14 17:27:04 +0000 | [diff] [blame] | 212 | // 0.1591549430918 is 1/(2*pi), used since atan returns values [-pi, pi] |
Greg Daniel | 80a08dd | 2017-01-20 10:45:49 -0500 | [diff] [blame^] | 213 | if (args.fShaderCaps->atan2ImplementedAsAtanYOverX()) { |
| 214 | // On some devices they incorrectly implement atan2(y,x) as atan(y/x). In actuality it is |
| 215 | // atan2(y,x) = 2 * atan(y / (sqrt(x^2 + y^2) + x)). So to work around this we pass in |
| 216 | // (sqrt(x^2 + y^2) + x) as the second parameter to atan2 in these cases. We let the device |
| 217 | // handle the undefined behavior of the second paramenter being 0 instead of doing the |
| 218 | // divide ourselves and using atan instead. |
| 219 | t.printf("(2.0 * atan(- %s.y, length(%s) - %s.x) * 0.1591549430918 + 0.5)", |
| 220 | coords2D.c_str(), coords2D.c_str(), coords2D.c_str()); |
| 221 | } else { |
| 222 | t.printf("(atan(- %s.y, - %s.x) * 0.1591549430918 + 0.5)", |
| 223 | coords2D.c_str(), coords2D.c_str()); |
| 224 | } |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 225 | this->emitColor(args.fFragBuilder, |
| 226 | args.fUniformHandler, |
Brian Salomon | 1edc5b9 | 2016-11-29 13:43:46 -0500 | [diff] [blame] | 227 | args.fShaderCaps, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 228 | ge, t.c_str(), |
| 229 | args.fOutputColor, |
| 230 | args.fInputColor, |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 231 | args.fTexSamplers); |
rileya@google.com | d7cc651 | 2012-07-27 14:00:39 +0000 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | ///////////////////////////////////////////////////////////////////// |
| 235 | |
brianosman | 839345d | 2016-07-22 11:04:53 -0700 | [diff] [blame] | 236 | sk_sp<GrFragmentProcessor> SkSweepGradient::asFragmentProcessor(const AsFPArgs& args) const { |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 237 | |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 238 | SkMatrix matrix; |
bsalomon@google.com | f94b3a4 | 2012-10-31 18:09:01 +0000 | [diff] [blame] | 239 | if (!this->getLocalMatrix().invert(&matrix)) { |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 240 | return nullptr; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 241 | } |
brianosman | 839345d | 2016-07-22 11:04:53 -0700 | [diff] [blame] | 242 | if (args.fLocalMatrix) { |
commit-bot@chromium.org | 96fb748 | 2014-05-09 20:28:11 +0000 | [diff] [blame] | 243 | SkMatrix inv; |
brianosman | 839345d | 2016-07-22 11:04:53 -0700 | [diff] [blame] | 244 | if (!args.fLocalMatrix->invert(&inv)) { |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 245 | return nullptr; |
commit-bot@chromium.org | 96fb748 | 2014-05-09 20:28:11 +0000 | [diff] [blame] | 246 | } |
| 247 | matrix.postConcat(inv); |
| 248 | } |
bsalomon@google.com | f94b3a4 | 2012-10-31 18:09:01 +0000 | [diff] [blame] | 249 | matrix.postConcat(fPtsToUnit); |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 250 | |
brianosman | b9c5137 | 2016-09-15 11:09:45 -0700 | [diff] [blame] | 251 | sk_sp<GrColorSpaceXform> colorSpaceXform = GrColorSpaceXform::Make(fColorSpace.get(), |
| 252 | args.fDstColorSpace); |
brianosman | 9557c27 | 2016-09-15 06:59:15 -0700 | [diff] [blame] | 253 | sk_sp<GrFragmentProcessor> inner(GrSweepGradient::Make( |
brianosman | b9c5137 | 2016-09-15 11:09:45 -0700 | [diff] [blame] | 254 | GrGradientEffect::CreateArgs(args.fContext, this, &matrix, SkShader::kClamp_TileMode, |
| 255 | std::move(colorSpaceXform), SkToBool(args.fDstColorSpace)))); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 256 | return GrFragmentProcessor::MulOutputByInputAlpha(std::move(inner)); |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | #endif |
robertphillips@google.com | 76f9e93 | 2013-01-15 20:17:47 +0000 | [diff] [blame] | 260 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 261 | #ifndef SK_IGNORE_TO_STRING |
robertphillips@google.com | 76f9e93 | 2013-01-15 20:17:47 +0000 | [diff] [blame] | 262 | void SkSweepGradient::toString(SkString* str) const { |
| 263 | str->append("SkSweepGradient: ("); |
| 264 | |
| 265 | str->append("center: ("); |
| 266 | str->appendScalar(fCenter.fX); |
| 267 | str->append(", "); |
| 268 | str->appendScalar(fCenter.fY); |
| 269 | str->append(") "); |
| 270 | |
| 271 | this->INHERITED::toString(str); |
| 272 | |
| 273 | str->append(")"); |
| 274 | } |
| 275 | #endif |