commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 "GrOvalRenderer.h" |
| 9 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 10 | #include "GrBatch.h" |
| 11 | #include "GrBatchTarget.h" |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 12 | #include "GrBatchTest.h" |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 13 | #include "GrBufferAllocPool.h" |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 14 | #include "GrDrawTarget.h" |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 15 | #include "GrGeometryProcessor.h" |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 16 | #include "GrInvariantOutput.h" |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 17 | #include "GrPipelineBuilder.h" |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 18 | #include "GrProcessor.h" |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 19 | #include "GrResourceProvider.h" |
bsalomon | 72e3ae4 | 2015-04-28 08:08:46 -0700 | [diff] [blame] | 20 | #include "GrVertexBuffer.h" |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 21 | #include "SkRRect.h" |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 22 | #include "SkStrokeRec.h" |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 23 | #include "SkTLazy.h" |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 24 | #include "effects/GrRRectEffect.h" |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 25 | #include "gl/GrGLProcessor.h" |
| 26 | #include "gl/GrGLSL.h" |
| 27 | #include "gl/GrGLGeometryProcessor.h" |
| 28 | #include "gl/builders/GrGLProgramBuilder.h" |
commit-bot@chromium.org | 234d4fb | 2013-09-30 19:55:49 +0000 | [diff] [blame] | 29 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 30 | // TODO(joshualitt) - Break this file up during GrBatch post implementation cleanup |
| 31 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 32 | namespace { |
joshualitt | 5ead6da | 2014-10-22 16:00:29 -0700 | [diff] [blame] | 33 | // TODO(joshualitt) add per vertex colors |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 34 | struct CircleVertex { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 35 | SkPoint fPos; |
| 36 | SkPoint fOffset; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 37 | SkScalar fOuterRadius; |
| 38 | SkScalar fInnerRadius; |
| 39 | }; |
| 40 | |
| 41 | struct EllipseVertex { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 42 | SkPoint fPos; |
| 43 | SkPoint fOffset; |
| 44 | SkPoint fOuterRadii; |
| 45 | SkPoint fInnerRadii; |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 46 | }; |
| 47 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 48 | struct DIEllipseVertex { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 49 | SkPoint fPos; |
| 50 | SkPoint fOuterOffset; |
| 51 | SkPoint fInnerOffset; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 52 | }; |
| 53 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 54 | inline bool circle_stays_circle(const SkMatrix& m) { |
| 55 | return m.isSimilarity(); |
| 56 | } |
| 57 | |
| 58 | } |
| 59 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 60 | /////////////////////////////////////////////////////////////////////////////// |
| 61 | |
| 62 | /** |
bsalomon | ce1c886 | 2014-12-15 07:11:22 -0800 | [diff] [blame] | 63 | * The output of this effect is a modulation of the input color and coverage for a circle. It |
| 64 | * operates in a space normalized by the circle radius (outer radius in the case of a stroke) |
| 65 | * with origin at the circle center. Two vertex attributes are used: |
| 66 | * vec2f : position in device space of the bounding geometry vertices |
| 67 | * vec4f : (p.xy, outerRad, innerRad) |
| 68 | * p is the position in the normalized space. |
| 69 | * outerRad is the outerRadius in device space. |
| 70 | * innerRad is the innerRadius in normalized space (ignored if not stroking). |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 71 | */ |
| 72 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 73 | class CircleEdgeEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 74 | public: |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 75 | static GrGeometryProcessor* Create(GrColor color, bool stroke, const SkMatrix& localMatrix) { |
| 76 | return SkNEW_ARGS(CircleEdgeEffect, (color, stroke, localMatrix)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 77 | } |
| 78 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 79 | const Attribute* inPosition() const { return fInPosition; } |
| 80 | const Attribute* inCircleEdge() const { return fInCircleEdge; } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 81 | virtual ~CircleEdgeEffect() {} |
| 82 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 83 | const char* name() const override { return "CircleEdge"; } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 84 | |
| 85 | inline bool isStroked() const { return fStroke; } |
| 86 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 87 | class GLProcessor : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 88 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 89 | GLProcessor(const GrGeometryProcessor&, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 90 | const GrBatchTracker&) |
| 91 | : fColor(GrColor_ILLEGAL) {} |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 92 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 93 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override{ |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 94 | const CircleEdgeEffect& ce = args.fGP.cast<CircleEdgeEffect>(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 95 | GrGLGPBuilder* pb = args.fPB; |
| 96 | const BatchTracker& local = args.fBT.cast<BatchTracker>(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 97 | GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
| 98 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 99 | // emit attributes |
| 100 | vsBuilder->emitAttributes(ce); |
| 101 | |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 102 | GrGLVertToFrag v(kVec4f_GrSLType); |
| 103 | args.fPB->addVarying("CircleEdge", &v); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 104 | vsBuilder->codeAppendf("%s = %s;", v.vsOut(), ce.inCircleEdge()->fName); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 105 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 106 | // Setup pass through color |
| 107 | this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL, |
| 108 | &fColorUniform); |
| 109 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 110 | // Setup position |
joshualitt | dd21987 | 2015-02-12 14:48:42 -0800 | [diff] [blame] | 111 | this->setupPosition(pb, gpArgs, ce.inPosition()->fName, ce.viewMatrix()); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 112 | |
| 113 | // emit transforms |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 114 | this->emitTransforms(args.fPB, gpArgs->fPositionVar, ce.inPosition()->fName, |
tfarina | 567ff2f | 2015-04-27 07:01:44 -0700 | [diff] [blame] | 115 | ce.localMatrix(), args.fTransformsIn, args.fTransformsOut); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 116 | |
egdaniel | 29bee0f | 2015-04-29 11:54:42 -0700 | [diff] [blame] | 117 | GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 118 | fsBuilder->codeAppendf("float d = length(%s.xy);", v.fsIn()); |
bsalomon | ce1c886 | 2014-12-15 07:11:22 -0800 | [diff] [blame] | 119 | fsBuilder->codeAppendf("float edgeAlpha = clamp(%s.z * (1.0 - d), 0.0, 1.0);", v.fsIn()); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 120 | if (ce.isStroked()) { |
bsalomon | ce1c886 | 2014-12-15 07:11:22 -0800 | [diff] [blame] | 121 | fsBuilder->codeAppendf("float innerAlpha = clamp(%s.z * (d - %s.w), 0.0, 1.0);", |
| 122 | v.fsIn(), v.fsIn()); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 123 | fsBuilder->codeAppend("edgeAlpha *= innerAlpha;"); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 124 | } |
commit-bot@chromium.org | 0a6cb60 | 2013-04-11 15:05:37 +0000 | [diff] [blame] | 125 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 126 | fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 127 | } |
| 128 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 129 | static void GenKey(const GrGeometryProcessor& gp, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 130 | const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 131 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 132 | GrProcessorKeyBuilder* b) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 133 | const BatchTracker& local = bt.cast<BatchTracker>(); |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 134 | const CircleEdgeEffect& circleEffect = gp.cast<CircleEdgeEffect>(); |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 135 | uint16_t key = circleEffect.isStroked() ? 0x1 : 0x0; |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 136 | key |= local.fUsesLocalCoords && gp.localMatrix().hasPerspective() ? 0x2 : 0x0; |
| 137 | key |= ComputePosKey(gp.viewMatrix()) << 2; |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 138 | b->add32(key << 16 | local.fInputColorType); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 139 | } |
| 140 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 141 | virtual void setData(const GrGLProgramDataManager& pdman, |
| 142 | const GrPrimitiveProcessor& gp, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 143 | const GrBatchTracker& bt) override { |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 144 | this->setUniformViewMatrix(pdman, gp.viewMatrix()); |
| 145 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 146 | const BatchTracker& local = bt.cast<BatchTracker>(); |
| 147 | if (kUniform_GrGPInput == local.fInputColorType && local.fColor != fColor) { |
| 148 | GrGLfloat c[4]; |
| 149 | GrColorToRGBAFloat(local.fColor, c); |
| 150 | pdman.set4fv(fColorUniform, 1, c); |
| 151 | fColor = local.fColor; |
| 152 | } |
| 153 | } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 154 | |
| 155 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 156 | GrColor fColor; |
| 157 | UniformHandle fColorUniform; |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 158 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 159 | }; |
| 160 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 161 | virtual void getGLProcessorKey(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 162 | const GrGLSLCaps& caps, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 163 | GrProcessorKeyBuilder* b) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 164 | GLProcessor::GenKey(*this, bt, caps, b); |
| 165 | } |
| 166 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 167 | virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 168 | const GrGLSLCaps&) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 169 | return SkNEW_ARGS(GLProcessor, (*this, bt)); |
| 170 | } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 171 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 172 | void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const override { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 173 | BatchTracker* local = bt->cast<BatchTracker>(); |
| 174 | local->fInputColorType = GetColorInputType(&local->fColor, this->color(), init, false); |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 175 | local->fUsesLocalCoords = init.fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 176 | } |
| 177 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 178 | bool onCanMakeEqual(const GrBatchTracker& m, |
| 179 | const GrGeometryProcessor& that, |
| 180 | const GrBatchTracker& t) const override { |
| 181 | const BatchTracker& mine = m.cast<BatchTracker>(); |
| 182 | const BatchTracker& theirs = t.cast<BatchTracker>(); |
| 183 | return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords, |
| 184 | that, theirs.fUsesLocalCoords) && |
| 185 | CanCombineOutput(mine.fInputColorType, mine.fColor, |
| 186 | theirs.fInputColorType, theirs.fColor); |
| 187 | } |
| 188 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 189 | private: |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 190 | CircleEdgeEffect(GrColor color, bool stroke, const SkMatrix& localMatrix) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 191 | : INHERITED(color, SkMatrix::I(), localMatrix) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 192 | this->initClassID<CircleEdgeEffect>(); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 193 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType)); |
| 194 | fInCircleEdge = &this->addVertexAttrib(Attribute("inCircleEdge", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 195 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 196 | fStroke = stroke; |
| 197 | } |
| 198 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 199 | bool onIsEqual(const GrGeometryProcessor& other) const override { |
| 200 | const CircleEdgeEffect& cee = other.cast<CircleEdgeEffect>(); |
| 201 | return cee.fStroke == fStroke; |
| 202 | } |
| 203 | |
| 204 | void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 205 | out->setUnknownSingleComponent(); |
| 206 | } |
| 207 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 208 | struct BatchTracker { |
| 209 | GrGPInput fInputColorType; |
| 210 | GrColor fColor; |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 211 | bool fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 212 | }; |
| 213 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 214 | const Attribute* fInPosition; |
| 215 | const Attribute* fInCircleEdge; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 216 | bool fStroke; |
| 217 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 218 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 219 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 220 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 221 | }; |
| 222 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 223 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(CircleEdgeEffect); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 224 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 225 | GrGeometryProcessor* CircleEdgeEffect::TestCreate(SkRandom* random, |
| 226 | GrContext* context, |
| 227 | const GrDrawTargetCaps&, |
| 228 | GrTexture* textures[]) { |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 229 | return CircleEdgeEffect::Create(GrRandomColor(random), |
| 230 | random->nextBool(), |
joshualitt | 4eaf9ce | 2015-04-28 13:31:18 -0700 | [diff] [blame] | 231 | GrTest::TestMatrix(random)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | /////////////////////////////////////////////////////////////////////////////// |
| 235 | |
| 236 | /** |
| 237 | * The output of this effect is a modulation of the input color and coverage for an axis-aligned |
skia.committer@gmail.com | 8be02fc | 2013-05-17 07:01:11 +0000 | [diff] [blame] | 238 | * ellipse, specified as a 2D offset from center, and the reciprocals of the outer and inner radii, |
| 239 | * in both x and y directions. |
| 240 | * |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 241 | * We are using an implicit function of x^2/a^2 + y^2/b^2 - 1 = 0. |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 242 | */ |
| 243 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 244 | class EllipseEdgeEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 245 | public: |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 246 | static GrGeometryProcessor* Create(GrColor color, bool stroke, const SkMatrix& localMatrix) { |
| 247 | return SkNEW_ARGS(EllipseEdgeEffect, (color, stroke, localMatrix)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 248 | } |
| 249 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 250 | virtual ~EllipseEdgeEffect() {} |
| 251 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 252 | const char* name() const override { return "EllipseEdge"; } |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 253 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 254 | const Attribute* inPosition() const { return fInPosition; } |
| 255 | const Attribute* inEllipseOffset() const { return fInEllipseOffset; } |
| 256 | const Attribute* inEllipseRadii() const { return fInEllipseRadii; } |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 257 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 258 | inline bool isStroked() const { return fStroke; } |
| 259 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 260 | class GLProcessor : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 261 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 262 | GLProcessor(const GrGeometryProcessor&, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 263 | const GrBatchTracker&) |
| 264 | : fColor(GrColor_ILLEGAL) {} |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 265 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 266 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override{ |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 267 | const EllipseEdgeEffect& ee = args.fGP.cast<EllipseEdgeEffect>(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 268 | GrGLGPBuilder* pb = args.fPB; |
| 269 | const BatchTracker& local = args.fBT.cast<BatchTracker>(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 270 | GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 271 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 272 | // emit attributes |
| 273 | vsBuilder->emitAttributes(ee); |
| 274 | |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 275 | GrGLVertToFrag ellipseOffsets(kVec2f_GrSLType); |
| 276 | args.fPB->addVarying("EllipseOffsets", &ellipseOffsets); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 277 | vsBuilder->codeAppendf("%s = %s;", ellipseOffsets.vsOut(), |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 278 | ee.inEllipseOffset()->fName); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 279 | |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 280 | GrGLVertToFrag ellipseRadii(kVec4f_GrSLType); |
| 281 | args.fPB->addVarying("EllipseRadii", &ellipseRadii); |
| 282 | vsBuilder->codeAppendf("%s = %s;", ellipseRadii.vsOut(), |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 283 | ee.inEllipseRadii()->fName); |
| 284 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 285 | // Setup pass through color |
| 286 | this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL, |
| 287 | &fColorUniform); |
| 288 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 289 | // Setup position |
joshualitt | dd21987 | 2015-02-12 14:48:42 -0800 | [diff] [blame] | 290 | this->setupPosition(pb, gpArgs, ee.inPosition()->fName, ee.viewMatrix()); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 291 | |
| 292 | // emit transforms |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 293 | this->emitTransforms(args.fPB, gpArgs->fPositionVar, ee.inPosition()->fName, |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 294 | ee.localMatrix(), args.fTransformsIn, args.fTransformsOut); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 295 | |
skia.committer@gmail.com | 8be02fc | 2013-05-17 07:01:11 +0000 | [diff] [blame] | 296 | // for outer curve |
egdaniel | 29bee0f | 2015-04-29 11:54:42 -0700 | [diff] [blame] | 297 | GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 298 | fsBuilder->codeAppendf("vec2 scaledOffset = %s*%s.xy;", ellipseOffsets.fsIn(), |
| 299 | ellipseRadii.fsIn()); |
| 300 | fsBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;"); |
| 301 | fsBuilder->codeAppendf("vec2 grad = 2.0*scaledOffset*%s.xy;", ellipseRadii.fsIn()); |
| 302 | fsBuilder->codeAppend("float grad_dot = dot(grad, grad);"); |
| 303 | |
commit-bot@chromium.org | 1b035d8 | 2014-04-09 17:11:09 +0000 | [diff] [blame] | 304 | // avoid calling inversesqrt on zero. |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 305 | fsBuilder->codeAppend("grad_dot = max(grad_dot, 1.0e-4);"); |
| 306 | fsBuilder->codeAppend("float invlen = inversesqrt(grad_dot);"); |
| 307 | fsBuilder->codeAppend("float edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);"); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 308 | |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 309 | // for inner curve |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 310 | if (ee.isStroked()) { |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 311 | fsBuilder->codeAppendf("scaledOffset = %s*%s.zw;", |
| 312 | ellipseOffsets.fsIn(), ellipseRadii.fsIn()); |
| 313 | fsBuilder->codeAppend("test = dot(scaledOffset, scaledOffset) - 1.0;"); |
| 314 | fsBuilder->codeAppendf("grad = 2.0*scaledOffset*%s.zw;", |
| 315 | ellipseRadii.fsIn()); |
| 316 | fsBuilder->codeAppend("invlen = inversesqrt(dot(grad, grad));"); |
| 317 | fsBuilder->codeAppend("edgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);"); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 318 | } |
| 319 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 320 | fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 321 | } |
| 322 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 323 | static void GenKey(const GrGeometryProcessor& gp, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 324 | const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 325 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 326 | GrProcessorKeyBuilder* b) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 327 | const BatchTracker& local = bt.cast<BatchTracker>(); |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 328 | const EllipseEdgeEffect& ellipseEffect = gp.cast<EllipseEdgeEffect>(); |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 329 | uint16_t key = ellipseEffect.isStroked() ? 0x1 : 0x0; |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 330 | key |= local.fUsesLocalCoords && gp.localMatrix().hasPerspective() ? 0x2 : 0x0; |
| 331 | key |= ComputePosKey(gp.viewMatrix()) << 2; |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 332 | b->add32(key << 16 | local.fInputColorType); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 333 | } |
| 334 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 335 | virtual void setData(const GrGLProgramDataManager& pdman, |
| 336 | const GrPrimitiveProcessor& gp, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 337 | const GrBatchTracker& bt) override { |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 338 | this->setUniformViewMatrix(pdman, gp.viewMatrix()); |
| 339 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 340 | const BatchTracker& local = bt.cast<BatchTracker>(); |
| 341 | if (kUniform_GrGPInput == local.fInputColorType && local.fColor != fColor) { |
| 342 | GrGLfloat c[4]; |
| 343 | GrColorToRGBAFloat(local.fColor, c); |
| 344 | pdman.set4fv(fColorUniform, 1, c); |
| 345 | fColor = local.fColor; |
| 346 | } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 350 | GrColor fColor; |
| 351 | UniformHandle fColorUniform; |
| 352 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 353 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 354 | }; |
| 355 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 356 | virtual void getGLProcessorKey(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 357 | const GrGLSLCaps& caps, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 358 | GrProcessorKeyBuilder* b) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 359 | GLProcessor::GenKey(*this, bt, caps, b); |
| 360 | } |
| 361 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 362 | virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 363 | const GrGLSLCaps&) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 364 | return SkNEW_ARGS(GLProcessor, (*this, bt)); |
| 365 | } |
| 366 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 367 | void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const override { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 368 | BatchTracker* local = bt->cast<BatchTracker>(); |
| 369 | local->fInputColorType = GetColorInputType(&local->fColor, this->color(), init, false); |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 370 | local->fUsesLocalCoords = init.fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 371 | } |
| 372 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 373 | bool onCanMakeEqual(const GrBatchTracker& m, |
| 374 | const GrGeometryProcessor& that, |
| 375 | const GrBatchTracker& t) const override { |
| 376 | const BatchTracker& mine = m.cast<BatchTracker>(); |
| 377 | const BatchTracker& theirs = t.cast<BatchTracker>(); |
| 378 | return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords, |
| 379 | that, theirs.fUsesLocalCoords) && |
| 380 | CanCombineOutput(mine.fInputColorType, mine.fColor, |
| 381 | theirs.fInputColorType, theirs.fColor); |
| 382 | } |
| 383 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 384 | private: |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 385 | EllipseEdgeEffect(GrColor color, bool stroke, const SkMatrix& localMatrix) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 386 | : INHERITED(color, SkMatrix::I(), localMatrix) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 387 | this->initClassID<EllipseEdgeEffect>(); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 388 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType)); |
| 389 | fInEllipseOffset = &this->addVertexAttrib(Attribute("inEllipseOffset", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 390 | kVec2f_GrVertexAttribType)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 391 | fInEllipseRadii = &this->addVertexAttrib(Attribute("inEllipseRadii", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 392 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 393 | fStroke = stroke; |
| 394 | } |
| 395 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 396 | bool onIsEqual(const GrGeometryProcessor& other) const override { |
| 397 | const EllipseEdgeEffect& eee = other.cast<EllipseEdgeEffect>(); |
| 398 | return eee.fStroke == fStroke; |
| 399 | } |
| 400 | |
| 401 | void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 402 | out->setUnknownSingleComponent(); |
| 403 | } |
| 404 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 405 | struct BatchTracker { |
| 406 | GrGPInput fInputColorType; |
| 407 | GrColor fColor; |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 408 | bool fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 409 | }; |
| 410 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 411 | const Attribute* fInPosition; |
| 412 | const Attribute* fInEllipseOffset; |
| 413 | const Attribute* fInEllipseRadii; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 414 | bool fStroke; |
| 415 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 416 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 417 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 418 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 419 | }; |
| 420 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 421 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(EllipseEdgeEffect); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 422 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 423 | GrGeometryProcessor* EllipseEdgeEffect::TestCreate(SkRandom* random, |
| 424 | GrContext* context, |
| 425 | const GrDrawTargetCaps&, |
| 426 | GrTexture* textures[]) { |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 427 | return EllipseEdgeEffect::Create(GrRandomColor(random), |
| 428 | random->nextBool(), |
joshualitt | 4eaf9ce | 2015-04-28 13:31:18 -0700 | [diff] [blame] | 429 | GrTest::TestMatrix(random)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | /////////////////////////////////////////////////////////////////////////////// |
| 433 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 434 | /** |
skia.committer@gmail.com | 6fc1b49 | 2013-09-06 07:01:45 +0000 | [diff] [blame] | 435 | * The output of this effect is a modulation of the input color and coverage for an ellipse, |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 436 | * specified as a 2D offset from center for both the outer and inner paths (if stroked). The |
| 437 | * implict equation used is for a unit circle (x^2 + y^2 - 1 = 0) and the edge corrected by |
| 438 | * using differentials. |
| 439 | * |
| 440 | * The result is device-independent and can be used with any affine matrix. |
| 441 | */ |
| 442 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 443 | class DIEllipseEdgeEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 444 | public: |
| 445 | enum Mode { kStroke = 0, kHairline, kFill }; |
| 446 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 447 | static GrGeometryProcessor* Create(GrColor color, const SkMatrix& viewMatrix, Mode mode) { |
| 448 | return SkNEW_ARGS(DIEllipseEdgeEffect, (color, viewMatrix, mode)); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 449 | } |
| 450 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 451 | virtual ~DIEllipseEdgeEffect() {} |
| 452 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 453 | const char* name() const override { return "DIEllipseEdge"; } |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 454 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 455 | const Attribute* inPosition() const { return fInPosition; } |
| 456 | const Attribute* inEllipseOffsets0() const { return fInEllipseOffsets0; } |
| 457 | const Attribute* inEllipseOffsets1() const { return fInEllipseOffsets1; } |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 458 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 459 | inline Mode getMode() const { return fMode; } |
| 460 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 461 | class GLProcessor : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 462 | public: |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 463 | GLProcessor(const GrGeometryProcessor&, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 464 | const GrBatchTracker&) |
| 465 | : fColor(GrColor_ILLEGAL) {} |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 466 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 467 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override{ |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 468 | const DIEllipseEdgeEffect& ee = args.fGP.cast<DIEllipseEdgeEffect>(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 469 | GrGLGPBuilder* pb = args.fPB; |
| 470 | const BatchTracker& local = args.fBT.cast<BatchTracker>(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 471 | GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 472 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 473 | // emit attributes |
| 474 | vsBuilder->emitAttributes(ee); |
| 475 | |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 476 | GrGLVertToFrag offsets0(kVec2f_GrSLType); |
| 477 | args.fPB->addVarying("EllipseOffsets0", &offsets0); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 478 | vsBuilder->codeAppendf("%s = %s;", offsets0.vsOut(), |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 479 | ee.inEllipseOffsets0()->fName); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 480 | |
| 481 | GrGLVertToFrag offsets1(kVec2f_GrSLType); |
| 482 | args.fPB->addVarying("EllipseOffsets1", &offsets1); |
| 483 | vsBuilder->codeAppendf("%s = %s;", offsets1.vsOut(), |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 484 | ee.inEllipseOffsets1()->fName); |
| 485 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 486 | // Setup pass through color |
| 487 | this->setupColorPassThrough(pb, local.fInputColorType, args.fOutputColor, NULL, |
| 488 | &fColorUniform); |
| 489 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 490 | // Setup position |
joshualitt | dd21987 | 2015-02-12 14:48:42 -0800 | [diff] [blame] | 491 | this->setupPosition(pb, gpArgs, ee.inPosition()->fName, ee.viewMatrix()); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 492 | |
| 493 | // emit transforms |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 494 | this->emitTransforms(args.fPB, gpArgs->fPositionVar, ee.inPosition()->fName, |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 495 | ee.localMatrix(), args.fTransformsIn, args.fTransformsOut); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 496 | |
egdaniel | 29bee0f | 2015-04-29 11:54:42 -0700 | [diff] [blame] | 497 | GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 498 | SkAssertResult(fsBuilder->enableFeature( |
| 499 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 500 | // for outer curve |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 501 | fsBuilder->codeAppendf("vec2 scaledOffset = %s.xy;", offsets0.fsIn()); |
| 502 | fsBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;"); |
| 503 | fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s);", offsets0.fsIn()); |
| 504 | fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s);", offsets0.fsIn()); |
| 505 | fsBuilder->codeAppendf("vec2 grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y," |
| 506 | " 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);", |
| 507 | offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn()); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 508 | |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 509 | fsBuilder->codeAppend("float grad_dot = dot(grad, grad);"); |
commit-bot@chromium.org | 1b035d8 | 2014-04-09 17:11:09 +0000 | [diff] [blame] | 510 | // avoid calling inversesqrt on zero. |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 511 | fsBuilder->codeAppend("grad_dot = max(grad_dot, 1.0e-4);"); |
| 512 | fsBuilder->codeAppend("float invlen = inversesqrt(grad_dot);"); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 513 | if (kHairline == ee.getMode()) { |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 514 | // can probably do this with one step |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 515 | fsBuilder->codeAppend("float edgeAlpha = clamp(1.0-test*invlen, 0.0, 1.0);"); |
| 516 | fsBuilder->codeAppend("edgeAlpha *= clamp(1.0+test*invlen, 0.0, 1.0);"); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 517 | } else { |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 518 | fsBuilder->codeAppend("float edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);"); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | // for inner curve |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 522 | if (kStroke == ee.getMode()) { |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 523 | fsBuilder->codeAppendf("scaledOffset = %s.xy;", offsets1.fsIn()); |
| 524 | fsBuilder->codeAppend("test = dot(scaledOffset, scaledOffset) - 1.0;"); |
| 525 | fsBuilder->codeAppendf("duvdx = dFdx(%s);", offsets1.fsIn()); |
| 526 | fsBuilder->codeAppendf("duvdy = dFdy(%s);", offsets1.fsIn()); |
| 527 | fsBuilder->codeAppendf("grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y," |
| 528 | " 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);", |
| 529 | offsets1.fsIn(), offsets1.fsIn(), offsets1.fsIn(), |
| 530 | offsets1.fsIn()); |
| 531 | fsBuilder->codeAppend("invlen = inversesqrt(dot(grad, grad));"); |
| 532 | fsBuilder->codeAppend("edgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);"); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 533 | } |
| 534 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 535 | fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 536 | } |
| 537 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 538 | static void GenKey(const GrGeometryProcessor& gp, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 539 | const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 540 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 541 | GrProcessorKeyBuilder* b) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 542 | const BatchTracker& local = bt.cast<BatchTracker>(); |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 543 | const DIEllipseEdgeEffect& ellipseEffect = gp.cast<DIEllipseEdgeEffect>(); |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 544 | uint16_t key = ellipseEffect.getMode(); |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 545 | key |= local.fUsesLocalCoords && gp.localMatrix().hasPerspective() ? 0x1 << 8 : 0x0; |
| 546 | key |= ComputePosKey(gp.viewMatrix()) << 9; |
joshualitt | 8fc6c2d | 2014-12-22 15:27:05 -0800 | [diff] [blame] | 547 | b->add32(key << 16 | local.fInputColorType); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 548 | } |
| 549 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 550 | virtual void setData(const GrGLProgramDataManager& pdman, |
| 551 | const GrPrimitiveProcessor& gp, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 552 | const GrBatchTracker& bt) override { |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 553 | this->setUniformViewMatrix(pdman, gp.viewMatrix()); |
| 554 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 555 | const BatchTracker& local = bt.cast<BatchTracker>(); |
| 556 | if (kUniform_GrGPInput == local.fInputColorType && local.fColor != fColor) { |
| 557 | GrGLfloat c[4]; |
| 558 | GrColorToRGBAFloat(local.fColor, c); |
| 559 | pdman.set4fv(fColorUniform, 1, c); |
| 560 | fColor = local.fColor; |
| 561 | } |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 565 | GrColor fColor; |
| 566 | UniformHandle fColorUniform; |
| 567 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 568 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 569 | }; |
| 570 | |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 571 | virtual void getGLProcessorKey(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 572 | const GrGLSLCaps& caps, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 573 | GrProcessorKeyBuilder* b) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 574 | GLProcessor::GenKey(*this, bt, caps, b); |
| 575 | } |
| 576 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 577 | virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 578 | const GrGLSLCaps&) const override { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 579 | return SkNEW_ARGS(GLProcessor, (*this, bt)); |
| 580 | } |
| 581 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 582 | void initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const override { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 583 | BatchTracker* local = bt->cast<BatchTracker>(); |
| 584 | local->fInputColorType = GetColorInputType(&local->fColor, this->color(), init, false); |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 585 | local->fUsesLocalCoords = init.fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 586 | } |
| 587 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 588 | bool onCanMakeEqual(const GrBatchTracker& m, |
| 589 | const GrGeometryProcessor& that, |
| 590 | const GrBatchTracker& t) const override { |
| 591 | const BatchTracker& mine = m.cast<BatchTracker>(); |
| 592 | const BatchTracker& theirs = t.cast<BatchTracker>(); |
| 593 | return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords, |
| 594 | that, theirs.fUsesLocalCoords) && |
| 595 | CanCombineOutput(mine.fInputColorType, mine.fColor, |
| 596 | theirs.fInputColorType, theirs.fColor); |
| 597 | } |
| 598 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 599 | private: |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 600 | DIEllipseEdgeEffect(GrColor color, const SkMatrix& viewMatrix, Mode mode) |
| 601 | : INHERITED(color, viewMatrix) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 602 | this->initClassID<DIEllipseEdgeEffect>(); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 603 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType)); |
| 604 | fInEllipseOffsets0 = &this->addVertexAttrib(Attribute("inEllipseOffsets0", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 605 | kVec2f_GrVertexAttribType)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 606 | fInEllipseOffsets1 = &this->addVertexAttrib(Attribute("inEllipseOffsets1", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 607 | kVec2f_GrVertexAttribType)); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 608 | fMode = mode; |
| 609 | } |
| 610 | |
joshualitt | 50cb76b | 2015-04-28 09:17:05 -0700 | [diff] [blame] | 611 | bool onIsEqual(const GrGeometryProcessor& other) const override { |
| 612 | const DIEllipseEdgeEffect& eee = other.cast<DIEllipseEdgeEffect>(); |
| 613 | return eee.fMode == fMode; |
| 614 | } |
| 615 | |
| 616 | void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 617 | out->setUnknownSingleComponent(); |
| 618 | } |
| 619 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 620 | struct BatchTracker { |
| 621 | GrGPInput fInputColorType; |
| 622 | GrColor fColor; |
joshualitt | 290c09b | 2014-12-19 13:45:20 -0800 | [diff] [blame] | 623 | bool fUsesLocalCoords; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 624 | }; |
| 625 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 626 | const Attribute* fInPosition; |
| 627 | const Attribute* fInEllipseOffsets0; |
| 628 | const Attribute* fInEllipseOffsets1; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 629 | Mode fMode; |
| 630 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 631 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 632 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 633 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 634 | }; |
| 635 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 636 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(DIEllipseEdgeEffect); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 637 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 638 | GrGeometryProcessor* DIEllipseEdgeEffect::TestCreate(SkRandom* random, |
| 639 | GrContext* context, |
| 640 | const GrDrawTargetCaps&, |
| 641 | GrTexture* textures[]) { |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 642 | return DIEllipseEdgeEffect::Create(GrRandomColor(random), |
joshualitt | 4eaf9ce | 2015-04-28 13:31:18 -0700 | [diff] [blame] | 643 | GrTest::TestMatrix(random), |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 644 | (Mode)(random->nextRangeU(0,2))); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | /////////////////////////////////////////////////////////////////////////////// |
| 648 | |
joshualitt | 9853cce | 2014-11-17 14:22:48 -0800 | [diff] [blame] | 649 | bool GrOvalRenderer::drawOval(GrDrawTarget* target, |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 650 | GrPipelineBuilder* pipelineBuilder, |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 651 | GrColor color, |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 652 | const SkMatrix& viewMatrix, |
joshualitt | 9853cce | 2014-11-17 14:22:48 -0800 | [diff] [blame] | 653 | bool useAA, |
| 654 | const SkRect& oval, |
| 655 | const SkStrokeRec& stroke) |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 656 | { |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 657 | bool useCoverageAA = useAA && !pipelineBuilder->getRenderTarget()->isMultisampled(); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 658 | |
| 659 | if (!useCoverageAA) { |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 660 | return false; |
| 661 | } |
| 662 | |
skia.committer@gmail.com | 7e32851 | 2013-03-23 07:01:28 +0000 | [diff] [blame] | 663 | // we can draw circles |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 664 | if (SkScalarNearlyEqual(oval.width(), oval.height()) && circle_stays_circle(viewMatrix)) { |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 665 | this->drawCircle(target, pipelineBuilder, color, viewMatrix, useCoverageAA, oval, stroke); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 666 | // if we have shader derivative support, render as device-independent |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 667 | } else if (target->caps()->shaderCaps()->shaderDerivativeSupport()) { |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 668 | return this->drawDIEllipse(target, pipelineBuilder, color, viewMatrix, useCoverageAA, oval, |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 669 | stroke); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 670 | // otherwise axis-aligned ellipses only |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 671 | } else if (viewMatrix.rectStaysRect()) { |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 672 | return this->drawEllipse(target, pipelineBuilder, color, viewMatrix, useCoverageAA, oval, |
| 673 | stroke); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 674 | } else { |
| 675 | return false; |
| 676 | } |
| 677 | |
| 678 | return true; |
| 679 | } |
| 680 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 681 | /////////////////////////////////////////////////////////////////////////////// |
| 682 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 683 | class CircleBatch : public GrBatch { |
| 684 | public: |
| 685 | struct Geometry { |
| 686 | GrColor fColor; |
| 687 | SkMatrix fViewMatrix; |
| 688 | SkScalar fInnerRadius; |
| 689 | SkScalar fOuterRadius; |
| 690 | bool fStroke; |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 691 | SkRect fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 692 | }; |
| 693 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 694 | static GrBatch* Create(const Geometry& geometry) { return SkNEW_ARGS(CircleBatch, (geometry)); } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 695 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 696 | const char* name() const override { return "CircleBatch"; } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 697 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 698 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 699 | // When this is called on a batch, there is only one geometry bundle |
| 700 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 701 | } |
| 702 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 703 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 704 | out->setUnknownSingleComponent(); |
| 705 | } |
| 706 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 707 | void initBatchTracker(const GrPipelineInfo& init) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 708 | // Handle any color overrides |
| 709 | if (init.fColorIgnored) { |
| 710 | fGeoData[0].fColor = GrColor_ILLEGAL; |
| 711 | } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| 712 | fGeoData[0].fColor = init.fOverrideColor; |
| 713 | } |
| 714 | |
| 715 | // setup batch properties |
| 716 | fBatch.fColorIgnored = init.fColorIgnored; |
| 717 | fBatch.fColor = fGeoData[0].fColor; |
| 718 | fBatch.fStroke = fGeoData[0].fStroke; |
| 719 | fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| 720 | fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| 721 | } |
| 722 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 723 | void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 724 | SkMatrix invert; |
| 725 | if (!this->viewMatrix().invert(&invert)) { |
| 726 | return; |
| 727 | } |
| 728 | |
| 729 | // Setup geometry processor |
| 730 | SkAutoTUnref<GrGeometryProcessor> gp(CircleEdgeEffect::Create(this->color(), |
| 731 | this->stroke(), |
| 732 | invert)); |
| 733 | |
| 734 | batchTarget->initDraw(gp, pipeline); |
| 735 | |
| 736 | // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| 737 | // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| 738 | // everywhere we can remove this nastiness |
| 739 | GrPipelineInfo init; |
| 740 | init.fColorIgnored = fBatch.fColorIgnored; |
| 741 | init.fOverrideColor = GrColor_ILLEGAL; |
| 742 | init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 743 | init.fUsesLocalCoords = this->usesLocalCoords(); |
| 744 | gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 745 | |
| 746 | int instanceCount = fGeoData.count(); |
| 747 | int vertexCount = kVertsPerCircle * instanceCount; |
| 748 | size_t vertexStride = gp->getVertexStride(); |
| 749 | SkASSERT(vertexStride == sizeof(CircleVertex)); |
| 750 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 751 | SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 752 | batchTarget->resourceProvider()->refQuadIndexBuffer()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 753 | const GrVertexBuffer* vertexBuffer; |
| 754 | int firstVertex; |
| 755 | |
| 756 | void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 757 | vertexCount, |
| 758 | &vertexBuffer, |
| 759 | &firstVertex); |
| 760 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 761 | if (!vertices || !indexBuffer) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 762 | SkDebugf("Could not allocate buffers\n"); |
| 763 | return; |
| 764 | } |
| 765 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 766 | CircleVertex* verts = reinterpret_cast<CircleVertex*>(vertices); |
| 767 | |
| 768 | for (int i = 0; i < instanceCount; i++) { |
| 769 | Geometry& args = fGeoData[i]; |
| 770 | |
| 771 | SkScalar innerRadius = args.fInnerRadius; |
| 772 | SkScalar outerRadius = args.fOuterRadius; |
| 773 | |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 774 | const SkRect& bounds = args.fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 775 | |
| 776 | // The inner radius in the vertex data must be specified in normalized space. |
| 777 | innerRadius = innerRadius / outerRadius; |
| 778 | verts[0].fPos = SkPoint::Make(bounds.fLeft, bounds.fTop); |
| 779 | verts[0].fOffset = SkPoint::Make(-1, -1); |
| 780 | verts[0].fOuterRadius = outerRadius; |
| 781 | verts[0].fInnerRadius = innerRadius; |
| 782 | |
| 783 | verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom); |
| 784 | verts[1].fOffset = SkPoint::Make(-1, 1); |
| 785 | verts[1].fOuterRadius = outerRadius; |
| 786 | verts[1].fInnerRadius = innerRadius; |
| 787 | |
| 788 | verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); |
| 789 | verts[2].fOffset = SkPoint::Make(1, 1); |
| 790 | verts[2].fOuterRadius = outerRadius; |
| 791 | verts[2].fInnerRadius = innerRadius; |
| 792 | |
| 793 | verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop); |
| 794 | verts[3].fOffset = SkPoint::Make(1, -1); |
| 795 | verts[3].fOuterRadius = outerRadius; |
| 796 | verts[3].fInnerRadius = innerRadius; |
| 797 | |
| 798 | verts += kVertsPerCircle; |
| 799 | } |
| 800 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 801 | GrDrawTarget::DrawInfo drawInfo; |
| 802 | drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 803 | drawInfo.setStartVertex(0); |
| 804 | drawInfo.setStartIndex(0); |
| 805 | drawInfo.setVerticesPerInstance(kVertsPerCircle); |
| 806 | drawInfo.setIndicesPerInstance(kIndicesPerCircle); |
| 807 | drawInfo.adjustStartVertex(firstVertex); |
| 808 | drawInfo.setVertexBuffer(vertexBuffer); |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 809 | drawInfo.setIndexBuffer(indexBuffer); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 810 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 811 | int maxInstancesPerDraw = indexBuffer->maxQuads(); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 812 | |
| 813 | while (instanceCount) { |
| 814 | drawInfo.setInstanceCount(SkTMin(instanceCount, maxInstancesPerDraw)); |
| 815 | drawInfo.setVertexCount(drawInfo.instanceCount() * drawInfo.verticesPerInstance()); |
| 816 | drawInfo.setIndexCount(drawInfo.instanceCount() * drawInfo.indicesPerInstance()); |
| 817 | |
| 818 | batchTarget->draw(drawInfo); |
| 819 | |
| 820 | drawInfo.setStartVertex(drawInfo.startVertex() + drawInfo.vertexCount()); |
| 821 | instanceCount -= drawInfo.instanceCount(); |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 826 | |
| 827 | private: |
| 828 | CircleBatch(const Geometry& geometry) { |
| 829 | this->initClassID<CircleBatch>(); |
| 830 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 831 | |
| 832 | this->setBounds(geometry.fDevBounds); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 833 | } |
| 834 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 835 | bool onCombineIfPossible(GrBatch* t) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 836 | CircleBatch* that = t->cast<CircleBatch>(); |
| 837 | |
| 838 | // TODO use vertex color to avoid breaking batches |
| 839 | if (this->color() != that->color()) { |
| 840 | return false; |
| 841 | } |
| 842 | |
| 843 | if (this->stroke() != that->stroke()) { |
| 844 | return false; |
| 845 | } |
| 846 | |
| 847 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 848 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 849 | return false; |
| 850 | } |
| 851 | |
| 852 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 853 | this->joinBounds(that->bounds()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 854 | return true; |
| 855 | } |
| 856 | |
| 857 | GrColor color() const { return fBatch.fColor; } |
| 858 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 859 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 860 | bool stroke() const { return fBatch.fStroke; } |
| 861 | |
| 862 | struct BatchTracker { |
| 863 | GrColor fColor; |
| 864 | bool fStroke; |
| 865 | bool fUsesLocalCoords; |
| 866 | bool fColorIgnored; |
| 867 | bool fCoverageIgnored; |
| 868 | }; |
| 869 | |
| 870 | static const int kVertsPerCircle = 4; |
| 871 | static const int kIndicesPerCircle = 6; |
| 872 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 873 | BatchTracker fBatch; |
| 874 | SkSTArray<1, Geometry, true> fGeoData; |
| 875 | }; |
| 876 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 877 | static GrBatch* create_circle_batch(GrColor color, |
| 878 | const SkMatrix& viewMatrix, |
| 879 | bool useCoverageAA, |
| 880 | const SkRect& circle, |
| 881 | const SkStrokeRec& stroke, |
| 882 | SkRect* bounds) { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 883 | SkPoint center = SkPoint::Make(circle.centerX(), circle.centerY()); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 884 | viewMatrix.mapPoints(¢er, 1); |
| 885 | SkScalar radius = viewMatrix.mapRadius(SkScalarHalf(circle.width())); |
| 886 | SkScalar strokeWidth = viewMatrix.mapRadius(stroke.getWidth()); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 887 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 888 | SkStrokeRec::Style style = stroke.getStyle(); |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 889 | bool isStrokeOnly = SkStrokeRec::kStroke_Style == style || |
| 890 | SkStrokeRec::kHairline_Style == style; |
| 891 | bool hasStroke = isStrokeOnly || SkStrokeRec::kStrokeAndFill_Style == style; |
skia.committer@gmail.com | 7e32851 | 2013-03-23 07:01:28 +0000 | [diff] [blame] | 892 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 893 | SkScalar innerRadius = 0.0f; |
| 894 | SkScalar outerRadius = radius; |
| 895 | SkScalar halfWidth = 0; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 896 | if (hasStroke) { |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 897 | if (SkScalarNearlyZero(strokeWidth)) { |
| 898 | halfWidth = SK_ScalarHalf; |
| 899 | } else { |
| 900 | halfWidth = SkScalarHalf(strokeWidth); |
| 901 | } |
| 902 | |
| 903 | outerRadius += halfWidth; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 904 | if (isStrokeOnly) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 905 | innerRadius = radius - halfWidth; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 906 | } |
| 907 | } |
| 908 | |
bsalomon | ce1c886 | 2014-12-15 07:11:22 -0800 | [diff] [blame] | 909 | // The radii are outset for two reasons. First, it allows the shader to simply perform simpler |
| 910 | // computation because the computed alpha is zero, rather than 50%, at the radius. |
| 911 | // Second, the outer radius is used to compute the verts of the bounding box that is rendered |
| 912 | // and the outset ensures the box will cover all partially covered by the circle. |
bsalomon@google.com | 58e30fe | 2013-04-01 19:01:20 +0000 | [diff] [blame] | 913 | outerRadius += SK_ScalarHalf; |
| 914 | innerRadius -= SK_ScalarHalf; |
| 915 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 916 | bounds->setLTRB(center.fX - outerRadius, center.fY - outerRadius, |
| 917 | center.fX + outerRadius, center.fY + outerRadius); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 918 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 919 | CircleBatch::Geometry geometry; |
| 920 | geometry.fViewMatrix = viewMatrix; |
| 921 | geometry.fColor = color; |
| 922 | geometry.fInnerRadius = innerRadius; |
| 923 | geometry.fOuterRadius = outerRadius; |
| 924 | geometry.fStroke = isStrokeOnly && innerRadius > 0; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 925 | geometry.fDevBounds = *bounds; |
commit-bot@chromium.org | 0a6cb60 | 2013-04-11 15:05:37 +0000 | [diff] [blame] | 926 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 927 | return CircleBatch::Create(geometry); |
| 928 | } |
| 929 | |
| 930 | void GrOvalRenderer::drawCircle(GrDrawTarget* target, |
| 931 | GrPipelineBuilder* pipelineBuilder, |
| 932 | GrColor color, |
| 933 | const SkMatrix& viewMatrix, |
| 934 | bool useCoverageAA, |
| 935 | const SkRect& circle, |
| 936 | const SkStrokeRec& stroke) { |
| 937 | SkRect bounds; |
| 938 | SkAutoTUnref<GrBatch> batch(create_circle_batch(color, viewMatrix, useCoverageAA, circle, |
| 939 | stroke, &bounds)); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 940 | target->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 941 | } |
| 942 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 943 | /////////////////////////////////////////////////////////////////////////////// |
| 944 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 945 | class EllipseBatch : public GrBatch { |
| 946 | public: |
| 947 | struct Geometry { |
| 948 | GrColor fColor; |
| 949 | SkMatrix fViewMatrix; |
| 950 | SkScalar fXRadius; |
| 951 | SkScalar fYRadius; |
| 952 | SkScalar fInnerXRadius; |
| 953 | SkScalar fInnerYRadius; |
| 954 | bool fStroke; |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 955 | SkRect fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 956 | }; |
| 957 | |
| 958 | static GrBatch* Create(const Geometry& geometry) { |
| 959 | return SkNEW_ARGS(EllipseBatch, (geometry)); |
| 960 | } |
| 961 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 962 | const char* name() const override { return "EllipseBatch"; } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 963 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 964 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 965 | // When this is called on a batch, there is only one geometry bundle |
| 966 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 967 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 968 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 969 | out->setUnknownSingleComponent(); |
| 970 | } |
| 971 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 972 | void initBatchTracker(const GrPipelineInfo& init) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 973 | // Handle any color overrides |
| 974 | if (init.fColorIgnored) { |
| 975 | fGeoData[0].fColor = GrColor_ILLEGAL; |
| 976 | } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| 977 | fGeoData[0].fColor = init.fOverrideColor; |
| 978 | } |
| 979 | |
| 980 | // setup batch properties |
| 981 | fBatch.fColorIgnored = init.fColorIgnored; |
| 982 | fBatch.fColor = fGeoData[0].fColor; |
| 983 | fBatch.fStroke = fGeoData[0].fStroke; |
| 984 | fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| 985 | fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| 986 | } |
| 987 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 988 | void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 989 | SkMatrix invert; |
| 990 | if (!this->viewMatrix().invert(&invert)) { |
| 991 | return; |
| 992 | } |
| 993 | |
| 994 | // Setup geometry processor |
| 995 | SkAutoTUnref<GrGeometryProcessor> gp(EllipseEdgeEffect::Create(this->color(), |
| 996 | this->stroke(), |
| 997 | invert)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 998 | |
| 999 | batchTarget->initDraw(gp, pipeline); |
| 1000 | |
| 1001 | // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| 1002 | // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| 1003 | // everywhere we can remove this nastiness |
| 1004 | GrPipelineInfo init; |
| 1005 | init.fColorIgnored = fBatch.fColorIgnored; |
| 1006 | init.fOverrideColor = GrColor_ILLEGAL; |
| 1007 | init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 1008 | init.fUsesLocalCoords = this->usesLocalCoords(); |
| 1009 | gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 1010 | |
| 1011 | int instanceCount = fGeoData.count(); |
| 1012 | int vertexCount = kVertsPerEllipse * instanceCount; |
| 1013 | size_t vertexStride = gp->getVertexStride(); |
joshualitt | 19e0058 | 2015-02-11 17:36:30 -0800 | [diff] [blame] | 1014 | SkASSERT(vertexStride == sizeof(EllipseVertex)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1015 | |
| 1016 | const GrVertexBuffer* vertexBuffer; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1017 | SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 1018 | batchTarget->resourceProvider()->refQuadIndexBuffer()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1019 | int firstVertex; |
| 1020 | |
| 1021 | void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 1022 | vertexCount, |
| 1023 | &vertexBuffer, |
| 1024 | &firstVertex); |
| 1025 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1026 | if (!vertices || !indexBuffer) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 1027 | SkDebugf("Could not allocate buffers\n"); |
| 1028 | return; |
| 1029 | } |
| 1030 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1031 | EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(vertices); |
| 1032 | |
| 1033 | for (int i = 0; i < instanceCount; i++) { |
| 1034 | Geometry& args = fGeoData[i]; |
| 1035 | |
| 1036 | SkScalar xRadius = args.fXRadius; |
| 1037 | SkScalar yRadius = args.fYRadius; |
| 1038 | |
| 1039 | // Compute the reciprocals of the radii here to save time in the shader |
| 1040 | SkScalar xRadRecip = SkScalarInvert(xRadius); |
| 1041 | SkScalar yRadRecip = SkScalarInvert(yRadius); |
| 1042 | SkScalar xInnerRadRecip = SkScalarInvert(args.fInnerXRadius); |
| 1043 | SkScalar yInnerRadRecip = SkScalarInvert(args.fInnerYRadius); |
| 1044 | |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 1045 | const SkRect& bounds = args.fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1046 | |
| 1047 | // The inner radius in the vertex data must be specified in normalized space. |
| 1048 | verts[0].fPos = SkPoint::Make(bounds.fLeft, bounds.fTop); |
| 1049 | verts[0].fOffset = SkPoint::Make(-xRadius, -yRadius); |
| 1050 | verts[0].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1051 | verts[0].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1052 | |
| 1053 | verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom); |
| 1054 | verts[1].fOffset = SkPoint::Make(-xRadius, yRadius); |
| 1055 | verts[1].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1056 | verts[1].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1057 | |
| 1058 | verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); |
| 1059 | verts[2].fOffset = SkPoint::Make(xRadius, yRadius); |
| 1060 | verts[2].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1061 | verts[2].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1062 | |
| 1063 | verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop); |
| 1064 | verts[3].fOffset = SkPoint::Make(xRadius, -yRadius); |
| 1065 | verts[3].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1066 | verts[3].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1067 | |
| 1068 | verts += kVertsPerEllipse; |
| 1069 | } |
| 1070 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1071 | GrDrawTarget::DrawInfo drawInfo; |
| 1072 | drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 1073 | drawInfo.setStartVertex(0); |
| 1074 | drawInfo.setStartIndex(0); |
| 1075 | drawInfo.setVerticesPerInstance(kVertsPerEllipse); |
| 1076 | drawInfo.setIndicesPerInstance(kIndicesPerEllipse); |
| 1077 | drawInfo.adjustStartVertex(firstVertex); |
| 1078 | drawInfo.setVertexBuffer(vertexBuffer); |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1079 | drawInfo.setIndexBuffer(indexBuffer); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1080 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1081 | int maxInstancesPerDraw = indexBuffer->maxQuads(); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1082 | |
| 1083 | while (instanceCount) { |
| 1084 | drawInfo.setInstanceCount(SkTMin(instanceCount, maxInstancesPerDraw)); |
| 1085 | drawInfo.setVertexCount(drawInfo.instanceCount() * drawInfo.verticesPerInstance()); |
| 1086 | drawInfo.setIndexCount(drawInfo.instanceCount() * drawInfo.indicesPerInstance()); |
| 1087 | |
| 1088 | batchTarget->draw(drawInfo); |
| 1089 | |
| 1090 | drawInfo.setStartVertex(drawInfo.startVertex() + drawInfo.vertexCount()); |
| 1091 | instanceCount -= drawInfo.instanceCount(); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 1096 | |
| 1097 | private: |
| 1098 | EllipseBatch(const Geometry& geometry) { |
| 1099 | this->initClassID<EllipseBatch>(); |
| 1100 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1101 | |
| 1102 | this->setBounds(geometry.fDevBounds); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1103 | } |
| 1104 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1105 | bool onCombineIfPossible(GrBatch* t) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1106 | EllipseBatch* that = t->cast<EllipseBatch>(); |
| 1107 | |
| 1108 | // TODO use vertex color to avoid breaking batches |
| 1109 | if (this->color() != that->color()) { |
| 1110 | return false; |
| 1111 | } |
| 1112 | |
| 1113 | if (this->stroke() != that->stroke()) { |
| 1114 | return false; |
| 1115 | } |
| 1116 | |
| 1117 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 1118 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 1119 | return false; |
| 1120 | } |
| 1121 | |
| 1122 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1123 | this->joinBounds(that->bounds()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1124 | return true; |
| 1125 | } |
| 1126 | |
| 1127 | GrColor color() const { return fBatch.fColor; } |
| 1128 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 1129 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 1130 | bool stroke() const { return fBatch.fStroke; } |
| 1131 | |
| 1132 | struct BatchTracker { |
| 1133 | GrColor fColor; |
| 1134 | bool fStroke; |
| 1135 | bool fUsesLocalCoords; |
| 1136 | bool fColorIgnored; |
| 1137 | bool fCoverageIgnored; |
| 1138 | }; |
| 1139 | |
| 1140 | static const int kVertsPerEllipse = 4; |
| 1141 | static const int kIndicesPerEllipse = 6; |
| 1142 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1143 | BatchTracker fBatch; |
| 1144 | SkSTArray<1, Geometry, true> fGeoData; |
| 1145 | }; |
| 1146 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1147 | static GrBatch* create_ellipse_batch(GrColor color, |
| 1148 | const SkMatrix& viewMatrix, |
| 1149 | bool useCoverageAA, |
| 1150 | const SkRect& ellipse, |
| 1151 | const SkStrokeRec& stroke, |
| 1152 | SkRect* bounds) { |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1153 | #ifdef SK_DEBUG |
| 1154 | { |
| 1155 | // we should have checked for this previously |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1156 | bool isAxisAlignedEllipse = viewMatrix.rectStaysRect(); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1157 | SkASSERT(useCoverageAA && isAxisAlignedEllipse); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1158 | } |
| 1159 | #endif |
| 1160 | |
commit-bot@chromium.org | 0c88828 | 2013-04-19 19:01:45 +0000 | [diff] [blame] | 1161 | // do any matrix crunching before we reset the draw state for device coords |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 1162 | SkPoint center = SkPoint::Make(ellipse.centerX(), ellipse.centerY()); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1163 | viewMatrix.mapPoints(¢er, 1); |
commit-bot@chromium.org | 0c88828 | 2013-04-19 19:01:45 +0000 | [diff] [blame] | 1164 | SkScalar ellipseXRadius = SkScalarHalf(ellipse.width()); |
| 1165 | SkScalar ellipseYRadius = SkScalarHalf(ellipse.height()); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1166 | SkScalar xRadius = SkScalarAbs(viewMatrix[SkMatrix::kMScaleX]*ellipseXRadius + |
| 1167 | viewMatrix[SkMatrix::kMSkewY]*ellipseYRadius); |
| 1168 | SkScalar yRadius = SkScalarAbs(viewMatrix[SkMatrix::kMSkewX]*ellipseXRadius + |
| 1169 | viewMatrix[SkMatrix::kMScaleY]*ellipseYRadius); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1170 | |
commit-bot@chromium.org | 0c88828 | 2013-04-19 19:01:45 +0000 | [diff] [blame] | 1171 | // do (potentially) anisotropic mapping of stroke |
| 1172 | SkVector scaledStroke; |
| 1173 | SkScalar strokeWidth = stroke.getWidth(); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1174 | scaledStroke.fX = SkScalarAbs(strokeWidth*(viewMatrix[SkMatrix::kMScaleX] + |
| 1175 | viewMatrix[SkMatrix::kMSkewY])); |
| 1176 | scaledStroke.fY = SkScalarAbs(strokeWidth*(viewMatrix[SkMatrix::kMSkewX] + |
| 1177 | viewMatrix[SkMatrix::kMScaleY])); |
commit-bot@chromium.org | 0c88828 | 2013-04-19 19:01:45 +0000 | [diff] [blame] | 1178 | |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1179 | SkStrokeRec::Style style = stroke.getStyle(); |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1180 | bool isStrokeOnly = SkStrokeRec::kStroke_Style == style || |
| 1181 | SkStrokeRec::kHairline_Style == style; |
| 1182 | bool hasStroke = isStrokeOnly || SkStrokeRec::kStrokeAndFill_Style == style; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1183 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1184 | SkScalar innerXRadius = 0; |
| 1185 | SkScalar innerYRadius = 0; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1186 | if (hasStroke) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1187 | if (SkScalarNearlyZero(scaledStroke.length())) { |
| 1188 | scaledStroke.set(SK_ScalarHalf, SK_ScalarHalf); |
| 1189 | } else { |
| 1190 | scaledStroke.scale(SK_ScalarHalf); |
| 1191 | } |
| 1192 | |
| 1193 | // we only handle thick strokes for near-circular ellipses |
| 1194 | if (scaledStroke.length() > SK_ScalarHalf && |
| 1195 | (SK_ScalarHalf*xRadius > yRadius || SK_ScalarHalf*yRadius > xRadius)) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1196 | return NULL; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | // we don't handle it if curvature of the stroke is less than curvature of the ellipse |
| 1200 | if (scaledStroke.fX*(yRadius*yRadius) < (scaledStroke.fY*scaledStroke.fY)*xRadius || |
| 1201 | scaledStroke.fY*(xRadius*xRadius) < (scaledStroke.fX*scaledStroke.fX)*yRadius) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1202 | return NULL; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | // this is legit only if scale & translation (which should be the case at the moment) |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1206 | if (isStrokeOnly) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1207 | innerXRadius = xRadius - scaledStroke.fX; |
| 1208 | innerYRadius = yRadius - scaledStroke.fY; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1209 | } |
| 1210 | |
| 1211 | xRadius += scaledStroke.fX; |
| 1212 | yRadius += scaledStroke.fY; |
| 1213 | } |
| 1214 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1215 | // We've extended the outer x radius out half a pixel to antialias. |
commit-bot@chromium.org | 0a6cb60 | 2013-04-11 15:05:37 +0000 | [diff] [blame] | 1216 | // This will also expand the rect so all the pixels will be captured. |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 1217 | // TODO: Consider if we should use sqrt(2)/2 instead |
commit-bot@chromium.org | 0a6cb60 | 2013-04-11 15:05:37 +0000 | [diff] [blame] | 1218 | xRadius += SK_ScalarHalf; |
| 1219 | yRadius += SK_ScalarHalf; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1220 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1221 | bounds->setLTRB(center.fX - xRadius, center.fY - yRadius, |
| 1222 | center.fX + xRadius, center.fY + yRadius); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1223 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1224 | EllipseBatch::Geometry geometry; |
| 1225 | geometry.fViewMatrix = viewMatrix; |
| 1226 | geometry.fColor = color; |
| 1227 | geometry.fXRadius = xRadius; |
| 1228 | geometry.fYRadius = yRadius; |
| 1229 | geometry.fInnerXRadius = innerXRadius; |
| 1230 | geometry.fInnerYRadius = innerYRadius; |
| 1231 | geometry.fStroke = isStrokeOnly && innerXRadius > 0 && innerYRadius > 0; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1232 | geometry.fDevBounds = *bounds; |
commit-bot@chromium.org | 0a6cb60 | 2013-04-11 15:05:37 +0000 | [diff] [blame] | 1233 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1234 | return EllipseBatch::Create(geometry); |
| 1235 | } |
| 1236 | |
| 1237 | bool GrOvalRenderer::drawEllipse(GrDrawTarget* target, |
| 1238 | GrPipelineBuilder* pipelineBuilder, |
| 1239 | GrColor color, |
| 1240 | const SkMatrix& viewMatrix, |
| 1241 | bool useCoverageAA, |
| 1242 | const SkRect& ellipse, |
| 1243 | const SkStrokeRec& stroke) { |
| 1244 | SkRect bounds; |
| 1245 | SkAutoTUnref<GrBatch> batch(create_ellipse_batch(color, viewMatrix, useCoverageAA, ellipse, |
| 1246 | stroke, &bounds)); |
| 1247 | if (!batch) { |
| 1248 | return false; |
| 1249 | } |
| 1250 | |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1251 | target->drawBatch(pipelineBuilder, batch); |
jvanverth@google.com | c4f2eca | 2013-04-16 12:30:35 +0000 | [diff] [blame] | 1252 | return true; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1253 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1254 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1255 | ///////////////////////////////////////////////////////////////////////////////////////////////// |
| 1256 | |
| 1257 | class DIEllipseBatch : public GrBatch { |
| 1258 | public: |
| 1259 | struct Geometry { |
| 1260 | GrColor fColor; |
| 1261 | SkMatrix fViewMatrix; |
| 1262 | SkScalar fXRadius; |
| 1263 | SkScalar fYRadius; |
| 1264 | SkScalar fInnerXRadius; |
| 1265 | SkScalar fInnerYRadius; |
| 1266 | SkScalar fGeoDx; |
| 1267 | SkScalar fGeoDy; |
| 1268 | DIEllipseEdgeEffect::Mode fMode; |
egdaniel | 9ef1bb1 | 2015-04-20 12:28:57 -0700 | [diff] [blame] | 1269 | SkRect fBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1270 | }; |
| 1271 | |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1272 | static GrBatch* Create(const Geometry& geometry, const SkRect& bounds) { |
| 1273 | return SkNEW_ARGS(DIEllipseBatch, (geometry, bounds)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1274 | } |
| 1275 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1276 | const char* name() const override { return "DIEllipseBatch"; } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1277 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1278 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1279 | // When this is called on a batch, there is only one geometry bundle |
| 1280 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 1281 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1282 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1283 | out->setUnknownSingleComponent(); |
| 1284 | } |
| 1285 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1286 | void initBatchTracker(const GrPipelineInfo& init) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1287 | // Handle any color overrides |
| 1288 | if (init.fColorIgnored) { |
| 1289 | fGeoData[0].fColor = GrColor_ILLEGAL; |
| 1290 | } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| 1291 | fGeoData[0].fColor = init.fOverrideColor; |
| 1292 | } |
| 1293 | |
| 1294 | // setup batch properties |
| 1295 | fBatch.fColorIgnored = init.fColorIgnored; |
| 1296 | fBatch.fColor = fGeoData[0].fColor; |
| 1297 | fBatch.fMode = fGeoData[0].fMode; |
| 1298 | fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| 1299 | fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| 1300 | } |
| 1301 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1302 | void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1303 | // Setup geometry processor |
| 1304 | SkAutoTUnref<GrGeometryProcessor> gp(DIEllipseEdgeEffect::Create(this->color(), |
| 1305 | this->viewMatrix(), |
| 1306 | this->mode())); |
| 1307 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1308 | batchTarget->initDraw(gp, pipeline); |
| 1309 | |
| 1310 | // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| 1311 | // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| 1312 | // everywhere we can remove this nastiness |
| 1313 | GrPipelineInfo init; |
| 1314 | init.fColorIgnored = fBatch.fColorIgnored; |
| 1315 | init.fOverrideColor = GrColor_ILLEGAL; |
| 1316 | init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 1317 | init.fUsesLocalCoords = this->usesLocalCoords(); |
| 1318 | gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 1319 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1320 | SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 1321 | batchTarget->resourceProvider()->refQuadIndexBuffer()); |
| 1322 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1323 | int instanceCount = fGeoData.count(); |
| 1324 | int vertexCount = kVertsPerEllipse * instanceCount; |
| 1325 | size_t vertexStride = gp->getVertexStride(); |
joshualitt | 19e0058 | 2015-02-11 17:36:30 -0800 | [diff] [blame] | 1326 | SkASSERT(vertexStride == sizeof(DIEllipseVertex)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1327 | const GrVertexBuffer* vertexBuffer; |
| 1328 | int firstVertex; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1329 | void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 1330 | vertexCount, |
| 1331 | &vertexBuffer, |
| 1332 | &firstVertex); |
| 1333 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1334 | if (!vertices || !indexBuffer) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 1335 | SkDebugf("Could not allocate buffers\n"); |
| 1336 | return; |
| 1337 | } |
| 1338 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1339 | DIEllipseVertex* verts = reinterpret_cast<DIEllipseVertex*>(vertices); |
| 1340 | |
| 1341 | for (int i = 0; i < instanceCount; i++) { |
| 1342 | Geometry& args = fGeoData[i]; |
| 1343 | |
| 1344 | SkScalar xRadius = args.fXRadius; |
| 1345 | SkScalar yRadius = args.fYRadius; |
| 1346 | |
egdaniel | 9ef1bb1 | 2015-04-20 12:28:57 -0700 | [diff] [blame] | 1347 | const SkRect& bounds = args.fBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1348 | |
| 1349 | // This adjusts the "radius" to include the half-pixel border |
| 1350 | SkScalar offsetDx = SkScalarDiv(args.fGeoDx, xRadius); |
| 1351 | SkScalar offsetDy = SkScalarDiv(args.fGeoDy, yRadius); |
| 1352 | |
| 1353 | SkScalar innerRatioX = SkScalarDiv(xRadius, args.fInnerXRadius); |
| 1354 | SkScalar innerRatioY = SkScalarDiv(yRadius, args.fInnerYRadius); |
| 1355 | |
| 1356 | verts[0].fPos = SkPoint::Make(bounds.fLeft, bounds.fTop); |
| 1357 | verts[0].fOuterOffset = SkPoint::Make(-1.0f - offsetDx, -1.0f - offsetDy); |
| 1358 | verts[0].fInnerOffset = SkPoint::Make(-innerRatioX - offsetDx, -innerRatioY - offsetDy); |
| 1359 | |
| 1360 | verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom); |
| 1361 | verts[1].fOuterOffset = SkPoint::Make(-1.0f - offsetDx, 1.0f + offsetDy); |
| 1362 | verts[1].fInnerOffset = SkPoint::Make(-innerRatioX - offsetDx, innerRatioY + offsetDy); |
| 1363 | |
| 1364 | verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom); |
| 1365 | verts[2].fOuterOffset = SkPoint::Make(1.0f + offsetDx, 1.0f + offsetDy); |
| 1366 | verts[2].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, innerRatioY + offsetDy); |
| 1367 | |
| 1368 | verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop); |
| 1369 | verts[3].fOuterOffset = SkPoint::Make(1.0f + offsetDx, -1.0f - offsetDy); |
| 1370 | verts[3].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, -innerRatioY - offsetDy); |
| 1371 | |
| 1372 | verts += kVertsPerEllipse; |
| 1373 | } |
| 1374 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1375 | GrDrawTarget::DrawInfo drawInfo; |
| 1376 | drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 1377 | drawInfo.setStartVertex(0); |
| 1378 | drawInfo.setStartIndex(0); |
| 1379 | drawInfo.setVerticesPerInstance(kVertsPerEllipse); |
| 1380 | drawInfo.setIndicesPerInstance(kIndicesPerEllipse); |
| 1381 | drawInfo.adjustStartVertex(firstVertex); |
| 1382 | drawInfo.setVertexBuffer(vertexBuffer); |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1383 | drawInfo.setIndexBuffer(indexBuffer); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1384 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1385 | int maxInstancesPerDraw = indexBuffer->maxQuads(); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1386 | |
| 1387 | while (instanceCount) { |
| 1388 | drawInfo.setInstanceCount(SkTMin(instanceCount, maxInstancesPerDraw)); |
| 1389 | drawInfo.setVertexCount(drawInfo.instanceCount() * drawInfo.verticesPerInstance()); |
| 1390 | drawInfo.setIndexCount(drawInfo.instanceCount() * drawInfo.indicesPerInstance()); |
| 1391 | |
| 1392 | batchTarget->draw(drawInfo); |
| 1393 | |
| 1394 | drawInfo.setStartVertex(drawInfo.startVertex() + drawInfo.vertexCount()); |
| 1395 | instanceCount -= drawInfo.instanceCount(); |
| 1396 | } |
| 1397 | } |
| 1398 | |
| 1399 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 1400 | |
| 1401 | private: |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1402 | DIEllipseBatch(const Geometry& geometry, const SkRect& bounds) { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1403 | this->initClassID<DIEllipseBatch>(); |
| 1404 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1405 | |
| 1406 | this->setBounds(bounds); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1407 | } |
| 1408 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1409 | bool onCombineIfPossible(GrBatch* t) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1410 | DIEllipseBatch* that = t->cast<DIEllipseBatch>(); |
| 1411 | |
| 1412 | // TODO use vertex color to avoid breaking batches |
| 1413 | if (this->color() != that->color()) { |
| 1414 | return false; |
| 1415 | } |
| 1416 | |
| 1417 | if (this->mode() != that->mode()) { |
| 1418 | return false; |
| 1419 | } |
| 1420 | |
| 1421 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 1422 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 1423 | return false; |
| 1424 | } |
| 1425 | |
| 1426 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1427 | this->joinBounds(that->bounds()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1428 | return true; |
| 1429 | } |
| 1430 | |
| 1431 | GrColor color() const { return fBatch.fColor; } |
| 1432 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 1433 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 1434 | DIEllipseEdgeEffect::Mode mode() const { return fBatch.fMode; } |
| 1435 | |
| 1436 | struct BatchTracker { |
| 1437 | GrColor fColor; |
| 1438 | DIEllipseEdgeEffect::Mode fMode; |
| 1439 | bool fUsesLocalCoords; |
| 1440 | bool fColorIgnored; |
| 1441 | bool fCoverageIgnored; |
| 1442 | }; |
| 1443 | |
| 1444 | static const int kVertsPerEllipse = 4; |
| 1445 | static const int kIndicesPerEllipse = 6; |
| 1446 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1447 | BatchTracker fBatch; |
| 1448 | SkSTArray<1, Geometry, true> fGeoData; |
| 1449 | }; |
| 1450 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1451 | static GrBatch* create_diellipse_batch(GrColor color, |
| 1452 | const SkMatrix& viewMatrix, |
| 1453 | bool useCoverageAA, |
| 1454 | const SkRect& ellipse, |
| 1455 | const SkStrokeRec& stroke, |
| 1456 | SkRect* bounds) { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 1457 | SkPoint center = SkPoint::Make(ellipse.centerX(), ellipse.centerY()); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1458 | SkScalar xRadius = SkScalarHalf(ellipse.width()); |
skia.committer@gmail.com | 6fc1b49 | 2013-09-06 07:01:45 +0000 | [diff] [blame] | 1459 | SkScalar yRadius = SkScalarHalf(ellipse.height()); |
| 1460 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1461 | SkStrokeRec::Style style = stroke.getStyle(); |
skia.committer@gmail.com | 6fc1b49 | 2013-09-06 07:01:45 +0000 | [diff] [blame] | 1462 | DIEllipseEdgeEffect::Mode mode = (SkStrokeRec::kStroke_Style == style) ? |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1463 | DIEllipseEdgeEffect::kStroke : |
skia.committer@gmail.com | 6fc1b49 | 2013-09-06 07:01:45 +0000 | [diff] [blame] | 1464 | (SkStrokeRec::kHairline_Style == style) ? |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1465 | DIEllipseEdgeEffect::kHairline : DIEllipseEdgeEffect::kFill; |
| 1466 | |
| 1467 | SkScalar innerXRadius = 0; |
| 1468 | SkScalar innerYRadius = 0; |
| 1469 | if (SkStrokeRec::kFill_Style != style && SkStrokeRec::kHairline_Style != style) { |
| 1470 | SkScalar strokeWidth = stroke.getWidth(); |
| 1471 | |
| 1472 | if (SkScalarNearlyZero(strokeWidth)) { |
| 1473 | strokeWidth = SK_ScalarHalf; |
| 1474 | } else { |
| 1475 | strokeWidth *= SK_ScalarHalf; |
| 1476 | } |
| 1477 | |
| 1478 | // we only handle thick strokes for near-circular ellipses |
| 1479 | if (strokeWidth > SK_ScalarHalf && |
| 1480 | (SK_ScalarHalf*xRadius > yRadius || SK_ScalarHalf*yRadius > xRadius)) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1481 | return NULL; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1482 | } |
| 1483 | |
| 1484 | // we don't handle it if curvature of the stroke is less than curvature of the ellipse |
| 1485 | if (strokeWidth*(yRadius*yRadius) < (strokeWidth*strokeWidth)*xRadius || |
| 1486 | strokeWidth*(xRadius*xRadius) < (strokeWidth*strokeWidth)*yRadius) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1487 | return NULL; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1488 | } |
| 1489 | |
| 1490 | // set inner radius (if needed) |
| 1491 | if (SkStrokeRec::kStroke_Style == style) { |
| 1492 | innerXRadius = xRadius - strokeWidth; |
| 1493 | innerYRadius = yRadius - strokeWidth; |
| 1494 | } |
| 1495 | |
| 1496 | xRadius += strokeWidth; |
| 1497 | yRadius += strokeWidth; |
| 1498 | } |
| 1499 | if (DIEllipseEdgeEffect::kStroke == mode) { |
| 1500 | mode = (innerXRadius > 0 && innerYRadius > 0) ? DIEllipseEdgeEffect::kStroke : |
| 1501 | DIEllipseEdgeEffect::kFill; |
| 1502 | } |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1503 | |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1504 | // This expands the outer rect so that after CTM we end up with a half-pixel border |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1505 | SkScalar a = viewMatrix[SkMatrix::kMScaleX]; |
| 1506 | SkScalar b = viewMatrix[SkMatrix::kMSkewX]; |
| 1507 | SkScalar c = viewMatrix[SkMatrix::kMSkewY]; |
| 1508 | SkScalar d = viewMatrix[SkMatrix::kMScaleY]; |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1509 | SkScalar geoDx = SkScalarDiv(SK_ScalarHalf, SkScalarSqrt(a*a + c*c)); |
| 1510 | SkScalar geoDy = SkScalarDiv(SK_ScalarHalf, SkScalarSqrt(b*b + d*d)); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1511 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1512 | bounds->setLTRB(center.fX - xRadius - geoDx, center.fY - yRadius - geoDy, |
| 1513 | center.fX + xRadius + geoDx, center.fY + yRadius + geoDy); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1514 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1515 | DIEllipseBatch::Geometry geometry; |
| 1516 | geometry.fViewMatrix = viewMatrix; |
| 1517 | geometry.fColor = color; |
| 1518 | geometry.fXRadius = xRadius; |
| 1519 | geometry.fYRadius = yRadius; |
| 1520 | geometry.fInnerXRadius = innerXRadius; |
| 1521 | geometry.fInnerYRadius = innerYRadius; |
| 1522 | geometry.fGeoDx = geoDx; |
| 1523 | geometry.fGeoDy = geoDy; |
| 1524 | geometry.fMode = mode; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1525 | geometry.fBounds = *bounds; |
egdaniel | 9ef1bb1 | 2015-04-20 12:28:57 -0700 | [diff] [blame] | 1526 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1527 | viewMatrix.mapRect(bounds); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1528 | return DIEllipseBatch::Create(geometry, *bounds); |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1529 | } |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1530 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 1531 | bool GrOvalRenderer::drawDIEllipse(GrDrawTarget* target, |
| 1532 | GrPipelineBuilder* pipelineBuilder, |
| 1533 | GrColor color, |
| 1534 | const SkMatrix& viewMatrix, |
| 1535 | bool useCoverageAA, |
| 1536 | const SkRect& ellipse, |
| 1537 | const SkStrokeRec& stroke) { |
| 1538 | SkRect bounds; |
| 1539 | SkAutoTUnref<GrBatch> batch(create_diellipse_batch(color, viewMatrix, useCoverageAA, ellipse, |
| 1540 | stroke, &bounds)); |
| 1541 | if (!batch) { |
| 1542 | return false; |
| 1543 | } |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1544 | target->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | 5242ed7 | 2013-09-05 19:26:51 +0000 | [diff] [blame] | 1545 | return true; |
| 1546 | } |
| 1547 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1548 | /////////////////////////////////////////////////////////////////////////////// |
| 1549 | |
| 1550 | static const uint16_t gRRectIndices[] = { |
| 1551 | // corners |
| 1552 | 0, 1, 5, 0, 5, 4, |
| 1553 | 2, 3, 7, 2, 7, 6, |
| 1554 | 8, 9, 13, 8, 13, 12, |
| 1555 | 10, 11, 15, 10, 15, 14, |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 1556 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1557 | // edges |
| 1558 | 1, 2, 6, 1, 6, 5, |
| 1559 | 4, 5, 9, 4, 9, 8, |
| 1560 | 6, 7, 11, 6, 11, 10, |
| 1561 | 9, 10, 14, 9, 14, 13, |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 1562 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1563 | // center |
| 1564 | // we place this at the end so that we can ignore these indices when rendering stroke-only |
| 1565 | 5, 6, 10, 5, 10, 9 |
| 1566 | }; |
| 1567 | |
joshualitt | 5ead6da | 2014-10-22 16:00:29 -0700 | [diff] [blame] | 1568 | static const int kIndicesPerStrokeRRect = SK_ARRAY_COUNT(gRRectIndices) - 6; |
| 1569 | static const int kIndicesPerRRect = SK_ARRAY_COUNT(gRRectIndices); |
| 1570 | static const int kVertsPerRRect = 16; |
| 1571 | static const int kNumRRectsInIndexBuffer = 256; |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1572 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1573 | GR_DECLARE_STATIC_UNIQUE_KEY(gStrokeRRectOnlyIndexBufferKey); |
| 1574 | GR_DECLARE_STATIC_UNIQUE_KEY(gRRectOnlyIndexBufferKey); |
| 1575 | static const GrIndexBuffer* ref_rrect_index_buffer(bool strokeOnly, |
| 1576 | GrResourceProvider* resourceProvider) { |
| 1577 | GR_DEFINE_STATIC_UNIQUE_KEY(gStrokeRRectOnlyIndexBufferKey); |
| 1578 | GR_DEFINE_STATIC_UNIQUE_KEY(gRRectOnlyIndexBufferKey); |
| 1579 | if (strokeOnly) { |
| 1580 | return resourceProvider->refOrCreateInstancedIndexBuffer( |
| 1581 | gRRectIndices, kIndicesPerStrokeRRect, kNumRRectsInIndexBuffer, kVertsPerRRect, |
| 1582 | gStrokeRRectOnlyIndexBufferKey); |
| 1583 | } else { |
| 1584 | return resourceProvider->refOrCreateInstancedIndexBuffer( |
| 1585 | gRRectIndices, kIndicesPerRRect, kNumRRectsInIndexBuffer, kVertsPerRRect, |
| 1586 | gRRectOnlyIndexBufferKey); |
| 1587 | |
| 1588 | } |
| 1589 | } |
| 1590 | |
joshualitt | 9853cce | 2014-11-17 14:22:48 -0800 | [diff] [blame] | 1591 | bool GrOvalRenderer::drawDRRect(GrDrawTarget* target, |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 1592 | GrPipelineBuilder* pipelineBuilder, |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 1593 | GrColor color, |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1594 | const SkMatrix& viewMatrix, |
joshualitt | 9853cce | 2014-11-17 14:22:48 -0800 | [diff] [blame] | 1595 | bool useAA, |
| 1596 | const SkRRect& origOuter, |
| 1597 | const SkRRect& origInner) { |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1598 | bool applyAA = useAA && |
egdaniel | 0bdeec9 | 2015-02-23 12:12:54 -0800 | [diff] [blame] | 1599 | !pipelineBuilder->getRenderTarget()->isMultisampled(); |
bsalomon | 6be6f7c | 2015-02-26 13:05:21 -0800 | [diff] [blame] | 1600 | GrPipelineBuilder::AutoRestoreFragmentProcessors arfp; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1601 | if (!origInner.isEmpty()) { |
| 1602 | SkTCopyOnFirstWrite<SkRRect> inner(origInner); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1603 | if (!viewMatrix.isIdentity()) { |
| 1604 | if (!origInner.transform(viewMatrix, inner.writable())) { |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1605 | return false; |
| 1606 | } |
| 1607 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1608 | GrPrimitiveEdgeType edgeType = applyAA ? |
| 1609 | kInverseFillAA_GrProcessorEdgeType : |
| 1610 | kInverseFillBW_GrProcessorEdgeType; |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 1611 | // TODO this needs to be a geometry processor |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1612 | GrFragmentProcessor* fp = GrRRectEffect::Create(edgeType, *inner); |
| 1613 | if (NULL == fp) { |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1614 | return false; |
| 1615 | } |
bsalomon | 6be6f7c | 2015-02-26 13:05:21 -0800 | [diff] [blame] | 1616 | arfp.set(pipelineBuilder); |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 1617 | pipelineBuilder->addCoverageProcessor(fp)->unref(); |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
| 1620 | SkStrokeRec fillRec(SkStrokeRec::kFill_InitStyle); |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 1621 | if (this->drawRRect(target, pipelineBuilder, color, viewMatrix, useAA, origOuter, fillRec)) { |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1622 | return true; |
| 1623 | } |
| 1624 | |
| 1625 | SkASSERT(!origOuter.isEmpty()); |
| 1626 | SkTCopyOnFirstWrite<SkRRect> outer(origOuter); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1627 | if (!viewMatrix.isIdentity()) { |
| 1628 | if (!origOuter.transform(viewMatrix, outer.writable())) { |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1629 | return false; |
| 1630 | } |
| 1631 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1632 | GrPrimitiveEdgeType edgeType = applyAA ? kFillAA_GrProcessorEdgeType : |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1633 | kFillBW_GrProcessorEdgeType; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1634 | GrFragmentProcessor* effect = GrRRectEffect::Create(edgeType, *outer); |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1635 | if (NULL == effect) { |
| 1636 | return false; |
| 1637 | } |
bsalomon | 6be6f7c | 2015-02-26 13:05:21 -0800 | [diff] [blame] | 1638 | if (!arfp.isSet()) { |
| 1639 | arfp.set(pipelineBuilder); |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1640 | } |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 1641 | |
| 1642 | SkMatrix invert; |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 1643 | if (!viewMatrix.invert(&invert)) { |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1644 | return false; |
| 1645 | } |
joshualitt | d27f73e | 2014-12-29 07:43:36 -0800 | [diff] [blame] | 1646 | |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 1647 | pipelineBuilder->addCoverageProcessor(effect)->unref(); |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1648 | SkRect bounds = outer->getBounds(); |
| 1649 | if (applyAA) { |
| 1650 | bounds.outset(SK_ScalarHalf, SK_ScalarHalf); |
| 1651 | } |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 1652 | target->drawRect(pipelineBuilder, color, SkMatrix::I(), bounds, NULL, &invert); |
bsalomon | 8af0523 | 2014-06-03 06:34:58 -0700 | [diff] [blame] | 1653 | return true; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 1654 | } |
| 1655 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1656 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 1657 | |
| 1658 | class RRectCircleRendererBatch : public GrBatch { |
| 1659 | public: |
| 1660 | struct Geometry { |
| 1661 | GrColor fColor; |
| 1662 | SkMatrix fViewMatrix; |
| 1663 | SkScalar fInnerRadius; |
| 1664 | SkScalar fOuterRadius; |
| 1665 | bool fStroke; |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 1666 | SkRect fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1667 | }; |
| 1668 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1669 | static GrBatch* Create(const Geometry& geometry) { |
| 1670 | return SkNEW_ARGS(RRectCircleRendererBatch, (geometry)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1671 | } |
| 1672 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1673 | const char* name() const override { return "RRectCircleBatch"; } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1674 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1675 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1676 | // When this is called on a batch, there is only one geometry bundle |
| 1677 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 1678 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1679 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1680 | out->setUnknownSingleComponent(); |
| 1681 | } |
| 1682 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1683 | void initBatchTracker(const GrPipelineInfo& init) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1684 | // Handle any color overrides |
| 1685 | if (init.fColorIgnored) { |
| 1686 | fGeoData[0].fColor = GrColor_ILLEGAL; |
| 1687 | } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| 1688 | fGeoData[0].fColor = init.fOverrideColor; |
| 1689 | } |
| 1690 | |
| 1691 | // setup batch properties |
| 1692 | fBatch.fColorIgnored = init.fColorIgnored; |
| 1693 | fBatch.fColor = fGeoData[0].fColor; |
| 1694 | fBatch.fStroke = fGeoData[0].fStroke; |
| 1695 | fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| 1696 | fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| 1697 | } |
| 1698 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1699 | void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1700 | // reset to device coordinates |
| 1701 | SkMatrix invert; |
| 1702 | if (!this->viewMatrix().invert(&invert)) { |
| 1703 | SkDebugf("Failed to invert\n"); |
| 1704 | return; |
| 1705 | } |
| 1706 | |
| 1707 | // Setup geometry processor |
| 1708 | SkAutoTUnref<GrGeometryProcessor> gp(CircleEdgeEffect::Create(this->color(), |
| 1709 | this->stroke(), |
| 1710 | invert)); |
| 1711 | |
| 1712 | batchTarget->initDraw(gp, pipeline); |
| 1713 | |
| 1714 | // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| 1715 | // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| 1716 | // everywhere we can remove this nastiness |
| 1717 | GrPipelineInfo init; |
| 1718 | init.fColorIgnored = fBatch.fColorIgnored; |
| 1719 | init.fOverrideColor = GrColor_ILLEGAL; |
| 1720 | init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 1721 | init.fUsesLocalCoords = this->usesLocalCoords(); |
| 1722 | gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 1723 | |
| 1724 | int instanceCount = fGeoData.count(); |
| 1725 | int vertexCount = kVertsPerRRect * instanceCount; |
| 1726 | size_t vertexStride = gp->getVertexStride(); |
| 1727 | SkASSERT(vertexStride == sizeof(CircleVertex)); |
| 1728 | |
| 1729 | const GrVertexBuffer* vertexBuffer; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1730 | SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 1731 | ref_rrect_index_buffer(this->stroke(), batchTarget->resourceProvider())); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1732 | int firstVertex; |
| 1733 | |
| 1734 | void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 1735 | vertexCount, |
| 1736 | &vertexBuffer, |
| 1737 | &firstVertex); |
| 1738 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1739 | if (!vertices || !indexBuffer) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 1740 | SkDebugf("Could not allocate vertices\n"); |
| 1741 | return; |
| 1742 | } |
| 1743 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1744 | CircleVertex* verts = reinterpret_cast<CircleVertex*>(vertices); |
| 1745 | |
| 1746 | for (int i = 0; i < instanceCount; i++) { |
| 1747 | Geometry& args = fGeoData[i]; |
| 1748 | |
| 1749 | SkScalar outerRadius = args.fOuterRadius; |
| 1750 | |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 1751 | const SkRect& bounds = args.fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1752 | |
| 1753 | SkScalar yCoords[4] = { |
| 1754 | bounds.fTop, |
| 1755 | bounds.fTop + outerRadius, |
| 1756 | bounds.fBottom - outerRadius, |
| 1757 | bounds.fBottom |
| 1758 | }; |
| 1759 | |
| 1760 | SkScalar yOuterRadii[4] = {-1, 0, 0, 1 }; |
| 1761 | // The inner radius in the vertex data must be specified in normalized space. |
| 1762 | SkScalar innerRadius = args.fInnerRadius / args.fOuterRadius; |
| 1763 | for (int i = 0; i < 4; ++i) { |
| 1764 | verts->fPos = SkPoint::Make(bounds.fLeft, yCoords[i]); |
| 1765 | verts->fOffset = SkPoint::Make(-1, yOuterRadii[i]); |
| 1766 | verts->fOuterRadius = outerRadius; |
| 1767 | verts->fInnerRadius = innerRadius; |
| 1768 | verts++; |
| 1769 | |
| 1770 | verts->fPos = SkPoint::Make(bounds.fLeft + outerRadius, yCoords[i]); |
| 1771 | verts->fOffset = SkPoint::Make(0, yOuterRadii[i]); |
| 1772 | verts->fOuterRadius = outerRadius; |
| 1773 | verts->fInnerRadius = innerRadius; |
| 1774 | verts++; |
| 1775 | |
| 1776 | verts->fPos = SkPoint::Make(bounds.fRight - outerRadius, yCoords[i]); |
| 1777 | verts->fOffset = SkPoint::Make(0, yOuterRadii[i]); |
| 1778 | verts->fOuterRadius = outerRadius; |
| 1779 | verts->fInnerRadius = innerRadius; |
| 1780 | verts++; |
| 1781 | |
| 1782 | verts->fPos = SkPoint::Make(bounds.fRight, yCoords[i]); |
| 1783 | verts->fOffset = SkPoint::Make(1, yOuterRadii[i]); |
| 1784 | verts->fOuterRadius = outerRadius; |
| 1785 | verts->fInnerRadius = innerRadius; |
| 1786 | verts++; |
| 1787 | } |
| 1788 | } |
| 1789 | |
| 1790 | // drop out the middle quad if we're stroked |
| 1791 | int indexCnt = this->stroke() ? SK_ARRAY_COUNT(gRRectIndices) - 6 : |
| 1792 | SK_ARRAY_COUNT(gRRectIndices); |
| 1793 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1794 | GrDrawTarget::DrawInfo drawInfo; |
| 1795 | drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 1796 | drawInfo.setStartVertex(0); |
| 1797 | drawInfo.setStartIndex(0); |
| 1798 | drawInfo.setVerticesPerInstance(kVertsPerRRect); |
| 1799 | drawInfo.setIndicesPerInstance(indexCnt); |
| 1800 | drawInfo.adjustStartVertex(firstVertex); |
| 1801 | drawInfo.setVertexBuffer(vertexBuffer); |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1802 | drawInfo.setIndexBuffer(indexBuffer); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1803 | |
| 1804 | int maxInstancesPerDraw = kNumRRectsInIndexBuffer; |
| 1805 | |
| 1806 | while (instanceCount) { |
| 1807 | drawInfo.setInstanceCount(SkTMin(instanceCount, maxInstancesPerDraw)); |
| 1808 | drawInfo.setVertexCount(drawInfo.instanceCount() * drawInfo.verticesPerInstance()); |
| 1809 | drawInfo.setIndexCount(drawInfo.instanceCount() * drawInfo.indicesPerInstance()); |
| 1810 | |
| 1811 | batchTarget->draw(drawInfo); |
| 1812 | |
| 1813 | drawInfo.setStartVertex(drawInfo.startVertex() + drawInfo.vertexCount()); |
| 1814 | instanceCount -= drawInfo.instanceCount(); |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 1819 | |
| 1820 | private: |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1821 | RRectCircleRendererBatch(const Geometry& geometry) { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1822 | this->initClassID<RRectCircleRendererBatch>(); |
| 1823 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1824 | |
| 1825 | this->setBounds(geometry.fDevBounds); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1826 | } |
| 1827 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1828 | bool onCombineIfPossible(GrBatch* t) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1829 | RRectCircleRendererBatch* that = t->cast<RRectCircleRendererBatch>(); |
| 1830 | |
| 1831 | // TODO use vertex color to avoid breaking batches |
| 1832 | if (this->color() != that->color()) { |
| 1833 | return false; |
| 1834 | } |
| 1835 | |
| 1836 | if (this->stroke() != that->stroke()) { |
| 1837 | return false; |
| 1838 | } |
| 1839 | |
| 1840 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 1841 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 1842 | return false; |
| 1843 | } |
| 1844 | |
| 1845 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 1846 | this->joinBounds(that->bounds()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1847 | return true; |
| 1848 | } |
| 1849 | |
| 1850 | GrColor color() const { return fBatch.fColor; } |
| 1851 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 1852 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 1853 | bool stroke() const { return fBatch.fStroke; } |
| 1854 | |
| 1855 | struct BatchTracker { |
| 1856 | GrColor fColor; |
| 1857 | bool fStroke; |
| 1858 | bool fUsesLocalCoords; |
| 1859 | bool fColorIgnored; |
| 1860 | bool fCoverageIgnored; |
| 1861 | }; |
| 1862 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1863 | BatchTracker fBatch; |
| 1864 | SkSTArray<1, Geometry, true> fGeoData; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1865 | }; |
| 1866 | |
| 1867 | class RRectEllipseRendererBatch : public GrBatch { |
| 1868 | public: |
| 1869 | struct Geometry { |
| 1870 | GrColor fColor; |
| 1871 | SkMatrix fViewMatrix; |
| 1872 | SkScalar fXRadius; |
| 1873 | SkScalar fYRadius; |
| 1874 | SkScalar fInnerXRadius; |
| 1875 | SkScalar fInnerYRadius; |
| 1876 | bool fStroke; |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 1877 | SkRect fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1878 | }; |
| 1879 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1880 | static GrBatch* Create(const Geometry& geometry) { |
| 1881 | return SkNEW_ARGS(RRectEllipseRendererBatch, (geometry)); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1882 | } |
| 1883 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1884 | const char* name() const override { return "RRectEllipseRendererBatch"; } |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1885 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1886 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1887 | // When this is called on a batch, there is only one geometry bundle |
| 1888 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 1889 | } |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1890 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1891 | out->setUnknownSingleComponent(); |
| 1892 | } |
| 1893 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1894 | void initBatchTracker(const GrPipelineInfo& init) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1895 | // Handle any color overrides |
| 1896 | if (init.fColorIgnored) { |
| 1897 | fGeoData[0].fColor = GrColor_ILLEGAL; |
| 1898 | } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| 1899 | fGeoData[0].fColor = init.fOverrideColor; |
| 1900 | } |
| 1901 | |
| 1902 | // setup batch properties |
| 1903 | fBatch.fColorIgnored = init.fColorIgnored; |
| 1904 | fBatch.fColor = fGeoData[0].fColor; |
| 1905 | fBatch.fStroke = fGeoData[0].fStroke; |
| 1906 | fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| 1907 | fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| 1908 | } |
| 1909 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1910 | void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1911 | // reset to device coordinates |
| 1912 | SkMatrix invert; |
| 1913 | if (!this->viewMatrix().invert(&invert)) { |
| 1914 | SkDebugf("Failed to invert\n"); |
| 1915 | return; |
| 1916 | } |
| 1917 | |
| 1918 | // Setup geometry processor |
| 1919 | SkAutoTUnref<GrGeometryProcessor> gp(EllipseEdgeEffect::Create(this->color(), |
| 1920 | this->stroke(), |
| 1921 | invert)); |
| 1922 | |
| 1923 | batchTarget->initDraw(gp, pipeline); |
| 1924 | |
| 1925 | // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| 1926 | // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| 1927 | // everywhere we can remove this nastiness |
| 1928 | GrPipelineInfo init; |
| 1929 | init.fColorIgnored = fBatch.fColorIgnored; |
| 1930 | init.fOverrideColor = GrColor_ILLEGAL; |
| 1931 | init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 1932 | init.fUsesLocalCoords = this->usesLocalCoords(); |
| 1933 | gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 1934 | |
| 1935 | int instanceCount = fGeoData.count(); |
| 1936 | int vertexCount = kVertsPerRRect * instanceCount; |
| 1937 | size_t vertexStride = gp->getVertexStride(); |
| 1938 | SkASSERT(vertexStride == sizeof(EllipseVertex)); |
| 1939 | |
| 1940 | const GrVertexBuffer* vertexBuffer; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1941 | SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 1942 | ref_rrect_index_buffer(this->stroke(), batchTarget->resourceProvider())); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1943 | int firstVertex; |
| 1944 | |
| 1945 | void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 1946 | vertexCount, |
| 1947 | &vertexBuffer, |
| 1948 | &firstVertex); |
| 1949 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 1950 | if (!vertices || !indexBuffer) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 1951 | SkDebugf("Could not allocate vertices\n"); |
| 1952 | return; |
| 1953 | } |
| 1954 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1955 | EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(vertices); |
| 1956 | |
| 1957 | for (int i = 0; i < instanceCount; i++) { |
| 1958 | Geometry& args = fGeoData[i]; |
| 1959 | |
| 1960 | // Compute the reciprocals of the radii here to save time in the shader |
| 1961 | SkScalar xRadRecip = SkScalarInvert(args.fXRadius); |
| 1962 | SkScalar yRadRecip = SkScalarInvert(args.fYRadius); |
| 1963 | SkScalar xInnerRadRecip = SkScalarInvert(args.fInnerXRadius); |
| 1964 | SkScalar yInnerRadRecip = SkScalarInvert(args.fInnerYRadius); |
| 1965 | |
| 1966 | // Extend the radii out half a pixel to antialias. |
| 1967 | SkScalar xOuterRadius = args.fXRadius + SK_ScalarHalf; |
| 1968 | SkScalar yOuterRadius = args.fYRadius + SK_ScalarHalf; |
| 1969 | |
egdaniel | bc22714 | 2015-04-21 06:28:08 -0700 | [diff] [blame] | 1970 | const SkRect& bounds = args.fDevBounds; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 1971 | |
| 1972 | SkScalar yCoords[4] = { |
| 1973 | bounds.fTop, |
| 1974 | bounds.fTop + yOuterRadius, |
| 1975 | bounds.fBottom - yOuterRadius, |
| 1976 | bounds.fBottom |
| 1977 | }; |
| 1978 | SkScalar yOuterOffsets[4] = { |
| 1979 | yOuterRadius, |
| 1980 | SK_ScalarNearlyZero, // we're using inversesqrt() in shader, so can't be exactly 0 |
| 1981 | SK_ScalarNearlyZero, |
| 1982 | yOuterRadius |
| 1983 | }; |
| 1984 | |
| 1985 | for (int i = 0; i < 4; ++i) { |
| 1986 | verts->fPos = SkPoint::Make(bounds.fLeft, yCoords[i]); |
| 1987 | verts->fOffset = SkPoint::Make(xOuterRadius, yOuterOffsets[i]); |
| 1988 | verts->fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1989 | verts->fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1990 | verts++; |
| 1991 | |
| 1992 | verts->fPos = SkPoint::Make(bounds.fLeft + xOuterRadius, yCoords[i]); |
| 1993 | verts->fOffset = SkPoint::Make(SK_ScalarNearlyZero, yOuterOffsets[i]); |
| 1994 | verts->fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 1995 | verts->fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 1996 | verts++; |
| 1997 | |
| 1998 | verts->fPos = SkPoint::Make(bounds.fRight - xOuterRadius, yCoords[i]); |
| 1999 | verts->fOffset = SkPoint::Make(SK_ScalarNearlyZero, yOuterOffsets[i]); |
| 2000 | verts->fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 2001 | verts->fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 2002 | verts++; |
| 2003 | |
| 2004 | verts->fPos = SkPoint::Make(bounds.fRight, yCoords[i]); |
| 2005 | verts->fOffset = SkPoint::Make(xOuterRadius, yOuterOffsets[i]); |
| 2006 | verts->fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip); |
| 2007 | verts->fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip); |
| 2008 | verts++; |
| 2009 | } |
| 2010 | } |
| 2011 | |
| 2012 | // drop out the middle quad if we're stroked |
| 2013 | int indexCnt = this->stroke() ? SK_ARRAY_COUNT(gRRectIndices) - 6 : |
| 2014 | SK_ARRAY_COUNT(gRRectIndices); |
| 2015 | |
| 2016 | GrDrawTarget::DrawInfo drawInfo; |
| 2017 | drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 2018 | drawInfo.setStartVertex(0); |
| 2019 | drawInfo.setStartIndex(0); |
| 2020 | drawInfo.setVerticesPerInstance(kVertsPerRRect); |
| 2021 | drawInfo.setIndicesPerInstance(indexCnt); |
| 2022 | drawInfo.adjustStartVertex(firstVertex); |
| 2023 | drawInfo.setVertexBuffer(vertexBuffer); |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2024 | drawInfo.setIndexBuffer(indexBuffer); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2025 | |
| 2026 | int maxInstancesPerDraw = kNumRRectsInIndexBuffer; |
| 2027 | |
| 2028 | while (instanceCount) { |
| 2029 | drawInfo.setInstanceCount(SkTMin(instanceCount, maxInstancesPerDraw)); |
| 2030 | drawInfo.setVertexCount(drawInfo.instanceCount() * drawInfo.verticesPerInstance()); |
| 2031 | drawInfo.setIndexCount(drawInfo.instanceCount() * drawInfo.indicesPerInstance()); |
| 2032 | |
| 2033 | batchTarget->draw(drawInfo); |
| 2034 | |
| 2035 | drawInfo.setStartVertex(drawInfo.startVertex() + drawInfo.vertexCount()); |
| 2036 | instanceCount -= drawInfo.instanceCount(); |
| 2037 | } |
| 2038 | } |
| 2039 | |
| 2040 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 2041 | |
| 2042 | private: |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2043 | RRectEllipseRendererBatch(const Geometry& geometry) { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2044 | this->initClassID<RRectEllipseRendererBatch>(); |
| 2045 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 2046 | |
| 2047 | this->setBounds(geometry.fDevBounds); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2048 | } |
| 2049 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 2050 | bool onCombineIfPossible(GrBatch* t) override { |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2051 | RRectEllipseRendererBatch* that = t->cast<RRectEllipseRendererBatch>(); |
| 2052 | |
| 2053 | // TODO use vertex color to avoid breaking batches |
| 2054 | if (this->color() != that->color()) { |
| 2055 | return false; |
| 2056 | } |
| 2057 | |
| 2058 | if (this->stroke() != that->stroke()) { |
| 2059 | return false; |
| 2060 | } |
| 2061 | |
| 2062 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 2063 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 2064 | return false; |
| 2065 | } |
| 2066 | |
| 2067 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 2068 | this->joinBounds(that->bounds()); |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2069 | return true; |
| 2070 | } |
| 2071 | |
| 2072 | GrColor color() const { return fBatch.fColor; } |
| 2073 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 2074 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 2075 | bool stroke() const { return fBatch.fStroke; } |
| 2076 | |
| 2077 | struct BatchTracker { |
| 2078 | GrColor fColor; |
| 2079 | bool fStroke; |
| 2080 | bool fUsesLocalCoords; |
| 2081 | bool fColorIgnored; |
| 2082 | bool fCoverageIgnored; |
| 2083 | }; |
| 2084 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2085 | BatchTracker fBatch; |
| 2086 | SkSTArray<1, Geometry, true> fGeoData; |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2087 | }; |
| 2088 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2089 | static GrBatch* create_rrect_batch(GrColor color, |
| 2090 | const SkMatrix& viewMatrix, |
| 2091 | const SkRRect& rrect, |
| 2092 | const SkStrokeRec& stroke, |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2093 | SkRect* bounds) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2094 | SkASSERT(viewMatrix.rectStaysRect()); |
| 2095 | SkASSERT(rrect.isSimple()); |
| 2096 | SkASSERT(!rrect.isOval()); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 2097 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2098 | // RRect batchs only handle simple, but not too simple, rrects |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2099 | // do any matrix crunching before we reset the draw state for device coords |
| 2100 | const SkRect& rrectBounds = rrect.getBounds(); |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2101 | viewMatrix.mapRect(bounds, rrectBounds); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2102 | |
| 2103 | SkVector radii = rrect.getSimpleRadii(); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 2104 | SkScalar xRadius = SkScalarAbs(viewMatrix[SkMatrix::kMScaleX]*radii.fX + |
| 2105 | viewMatrix[SkMatrix::kMSkewY]*radii.fY); |
| 2106 | SkScalar yRadius = SkScalarAbs(viewMatrix[SkMatrix::kMSkewX]*radii.fX + |
| 2107 | viewMatrix[SkMatrix::kMScaleY]*radii.fY); |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2108 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2109 | SkStrokeRec::Style style = stroke.getStyle(); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2110 | |
| 2111 | // do (potentially) anisotropic mapping of stroke |
| 2112 | SkVector scaledStroke; |
| 2113 | SkScalar strokeWidth = stroke.getWidth(); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2114 | |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2115 | bool isStrokeOnly = SkStrokeRec::kStroke_Style == style || |
| 2116 | SkStrokeRec::kHairline_Style == style; |
| 2117 | bool hasStroke = isStrokeOnly || SkStrokeRec::kStrokeAndFill_Style == style; |
| 2118 | |
| 2119 | if (hasStroke) { |
| 2120 | if (SkStrokeRec::kHairline_Style == style) { |
| 2121 | scaledStroke.set(1, 1); |
| 2122 | } else { |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 2123 | scaledStroke.fX = SkScalarAbs(strokeWidth*(viewMatrix[SkMatrix::kMScaleX] + |
| 2124 | viewMatrix[SkMatrix::kMSkewY])); |
| 2125 | scaledStroke.fY = SkScalarAbs(strokeWidth*(viewMatrix[SkMatrix::kMSkewX] + |
| 2126 | viewMatrix[SkMatrix::kMScaleY])); |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2127 | } |
| 2128 | |
| 2129 | // if half of strokewidth is greater than radius, we don't handle that right now |
| 2130 | if (SK_ScalarHalf*scaledStroke.fX > xRadius || SK_ScalarHalf*scaledStroke.fY > yRadius) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2131 | return NULL; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | // The way the effect interpolates the offset-to-ellipse/circle-center attribute only works on |
| 2136 | // the interior of the rrect if the radii are >= 0.5. Otherwise, the inner rect of the nine- |
| 2137 | // patch will have fractional coverage. This only matters when the interior is actually filled. |
| 2138 | // We could consider falling back to rect rendering here, since a tiny radius is |
| 2139 | // indistinguishable from a square corner. |
| 2140 | if (!isStrokeOnly && (SK_ScalarHalf > xRadius || SK_ScalarHalf > yRadius)) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2141 | return NULL; |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2142 | } |
| 2143 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2144 | // if the corners are circles, use the circle renderer |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2145 | if ((!hasStroke || scaledStroke.fX == scaledStroke.fY) && xRadius == yRadius) { |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2146 | SkScalar innerRadius = 0.0f; |
| 2147 | SkScalar outerRadius = xRadius; |
| 2148 | SkScalar halfWidth = 0; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2149 | if (hasStroke) { |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2150 | if (SkScalarNearlyZero(scaledStroke.fX)) { |
| 2151 | halfWidth = SK_ScalarHalf; |
| 2152 | } else { |
| 2153 | halfWidth = SkScalarHalf(scaledStroke.fX); |
| 2154 | } |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 2155 | |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2156 | if (isStrokeOnly) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2157 | innerRadius = xRadius - halfWidth; |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2158 | } |
| 2159 | outerRadius += halfWidth; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2160 | bounds->outset(halfWidth, halfWidth); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2161 | } |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 2162 | |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2163 | isStrokeOnly = (isStrokeOnly && innerRadius >= 0); |
commit-bot@chromium.org | cefde6e | 2013-08-30 16:34:52 +0000 | [diff] [blame] | 2164 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2165 | // The radii are outset for two reasons. First, it allows the shader to simply perform |
bsalomon | ce1c886 | 2014-12-15 07:11:22 -0800 | [diff] [blame] | 2166 | // simpler computation because the computed alpha is zero, rather than 50%, at the radius. |
| 2167 | // Second, the outer radius is used to compute the verts of the bounding box that is |
| 2168 | // rendered and the outset ensures the box will cover all partially covered by the rrect |
| 2169 | // corners. |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2170 | outerRadius += SK_ScalarHalf; |
| 2171 | innerRadius -= SK_ScalarHalf; |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 2172 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2173 | // Expand the rect so all the pixels will be captured. |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2174 | bounds->outset(SK_ScalarHalf, SK_ScalarHalf); |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 2175 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2176 | RRectCircleRendererBatch::Geometry geometry; |
| 2177 | geometry.fViewMatrix = viewMatrix; |
| 2178 | geometry.fColor = color; |
| 2179 | geometry.fInnerRadius = innerRadius; |
| 2180 | geometry.fOuterRadius = outerRadius; |
| 2181 | geometry.fStroke = isStrokeOnly; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2182 | geometry.fDevBounds = *bounds; |
skia.committer@gmail.com | 2cf444f | 2013-04-26 07:00:58 +0000 | [diff] [blame] | 2183 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2184 | return RRectCircleRendererBatch::Create(geometry); |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2185 | // otherwise we use the ellipse renderer |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2186 | } else { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2187 | SkScalar innerXRadius = 0.0f; |
| 2188 | SkScalar innerYRadius = 0.0f; |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2189 | if (hasStroke) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2190 | if (SkScalarNearlyZero(scaledStroke.length())) { |
| 2191 | scaledStroke.set(SK_ScalarHalf, SK_ScalarHalf); |
| 2192 | } else { |
| 2193 | scaledStroke.scale(SK_ScalarHalf); |
| 2194 | } |
| 2195 | |
| 2196 | // we only handle thick strokes for near-circular ellipses |
skia.committer@gmail.com | 8be02fc | 2013-05-17 07:01:11 +0000 | [diff] [blame] | 2197 | if (scaledStroke.length() > SK_ScalarHalf && |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2198 | (SK_ScalarHalf*xRadius > yRadius || SK_ScalarHalf*yRadius > xRadius)) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2199 | return NULL; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2200 | } |
| 2201 | |
| 2202 | // we don't handle it if curvature of the stroke is less than curvature of the ellipse |
| 2203 | if (scaledStroke.fX*(yRadius*yRadius) < (scaledStroke.fY*scaledStroke.fY)*xRadius || |
| 2204 | scaledStroke.fY*(xRadius*xRadius) < (scaledStroke.fX*scaledStroke.fX)*yRadius) { |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2205 | return NULL; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2206 | } |
| 2207 | |
| 2208 | // this is legit only if scale & translation (which should be the case at the moment) |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2209 | if (isStrokeOnly) { |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2210 | innerXRadius = xRadius - scaledStroke.fX; |
| 2211 | innerYRadius = yRadius - scaledStroke.fY; |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2212 | } |
| 2213 | |
| 2214 | xRadius += scaledStroke.fX; |
| 2215 | yRadius += scaledStroke.fY; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2216 | bounds->outset(scaledStroke.fX, scaledStroke.fY); |
commit-bot@chromium.org | 6bb3efc | 2013-05-16 13:14:46 +0000 | [diff] [blame] | 2217 | } |
jvanverth@google.com | e364741 | 2013-05-08 15:31:43 +0000 | [diff] [blame] | 2218 | |
commit-bot@chromium.org | 0a09d71 | 2014-04-09 21:26:11 +0000 | [diff] [blame] | 2219 | isStrokeOnly = (isStrokeOnly && innerXRadius >= 0 && innerYRadius >= 0); |
commit-bot@chromium.org | cefde6e | 2013-08-30 16:34:52 +0000 | [diff] [blame] | 2220 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2221 | // Expand the rect so all the pixels will be captured. |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2222 | bounds->outset(SK_ScalarHalf, SK_ScalarHalf); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2223 | |
joshualitt | 76e7fb6 | 2015-02-11 08:52:27 -0800 | [diff] [blame] | 2224 | RRectEllipseRendererBatch::Geometry geometry; |
| 2225 | geometry.fViewMatrix = viewMatrix; |
| 2226 | geometry.fColor = color; |
| 2227 | geometry.fXRadius = xRadius; |
| 2228 | geometry.fYRadius = yRadius; |
| 2229 | geometry.fInnerXRadius = innerXRadius; |
| 2230 | geometry.fInnerYRadius = innerYRadius; |
| 2231 | geometry.fStroke = isStrokeOnly; |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2232 | geometry.fDevBounds = *bounds; |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2233 | |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2234 | return RRectEllipseRendererBatch::Create(geometry); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2235 | } |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2236 | } |
| 2237 | |
| 2238 | bool GrOvalRenderer::drawRRect(GrDrawTarget* target, |
| 2239 | GrPipelineBuilder* pipelineBuilder, |
| 2240 | GrColor color, |
| 2241 | const SkMatrix& viewMatrix, |
| 2242 | bool useAA, |
| 2243 | const SkRRect& rrect, |
| 2244 | const SkStrokeRec& stroke) { |
| 2245 | if (rrect.isOval()) { |
| 2246 | return this->drawOval(target, pipelineBuilder, color, viewMatrix, useAA, rrect.getBounds(), |
| 2247 | stroke); |
| 2248 | } |
| 2249 | |
| 2250 | bool useCoverageAA = useAA && !pipelineBuilder->getRenderTarget()->isMultisampled(); |
| 2251 | |
| 2252 | // only anti-aliased rrects for now |
| 2253 | if (!useCoverageAA) { |
| 2254 | return false; |
| 2255 | } |
| 2256 | |
| 2257 | if (!viewMatrix.rectStaysRect() || !rrect.isSimple()) { |
| 2258 | return false; |
| 2259 | } |
| 2260 | |
| 2261 | SkRect bounds; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2262 | SkAutoTUnref<GrBatch> batch(create_rrect_batch(color, viewMatrix, rrect, stroke, &bounds)); |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2263 | if (!batch) { |
| 2264 | return false; |
| 2265 | } |
| 2266 | |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 2267 | target->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2268 | return true; |
| 2269 | } |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2270 | |
| 2271 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 2272 | |
| 2273 | #ifdef GR_TEST_UTILS |
| 2274 | |
| 2275 | static SkStrokeRec random_strokerec(SkRandom* random) { |
| 2276 | SkStrokeRec::InitStyle style = |
| 2277 | SkStrokeRec::InitStyle(random->nextULessThan(SkStrokeRec::kFill_InitStyle + 1)); |
| 2278 | SkStrokeRec rec(style); |
| 2279 | bool strokeAndFill = random->nextBool(); |
| 2280 | SkScalar strokeWidth = random->nextBool() ? 0.f : 1.f; |
| 2281 | rec.setStrokeStyle(strokeWidth, strokeAndFill); |
| 2282 | return rec; |
| 2283 | } |
| 2284 | |
| 2285 | BATCH_TEST_DEFINE(CircleBatch) { |
| 2286 | SkMatrix viewMatrix = GrTest::TestMatrix(random); |
| 2287 | GrColor color = GrRandomColor(random); |
| 2288 | bool useCoverageAA = random->nextBool(); |
| 2289 | SkRect circle = GrTest::TestRect(random); |
| 2290 | SkRect bounds; // unused |
| 2291 | return create_circle_batch(color, viewMatrix, useCoverageAA, circle, random_strokerec(random), |
| 2292 | &bounds); |
| 2293 | } |
| 2294 | |
| 2295 | BATCH_TEST_DEFINE(EllipseBatch) { |
| 2296 | SkMatrix viewMatrix = GrTest::TestMatrixRectStaysRect(random); |
| 2297 | GrColor color = GrRandomColor(random); |
| 2298 | bool useCoverageAA = random->nextBool(); |
| 2299 | SkRect ellipse = GrTest::TestRect(random); |
| 2300 | SkRect bounds; // unused |
| 2301 | return create_ellipse_batch(color, viewMatrix, useCoverageAA, ellipse, |
| 2302 | random_strokerec(random), &bounds); |
| 2303 | } |
| 2304 | |
| 2305 | BATCH_TEST_DEFINE(DIEllipseBatch) { |
| 2306 | SkMatrix viewMatrix = GrTest::TestMatrix(random); |
| 2307 | GrColor color = GrRandomColor(random); |
| 2308 | bool useCoverageAA = random->nextBool(); |
| 2309 | SkRect ellipse = GrTest::TestRect(random); |
| 2310 | SkRect bounds; // unused |
| 2311 | return create_diellipse_batch(color, viewMatrix, useCoverageAA, ellipse, |
| 2312 | random_strokerec(random), &bounds); |
| 2313 | } |
| 2314 | |
| 2315 | BATCH_TEST_DEFINE(RRectBatch) { |
| 2316 | SkMatrix viewMatrix = GrTest::TestMatrixRectStaysRect(random); |
| 2317 | GrColor color = GrRandomColor(random); |
| 2318 | const SkRRect& rrect = GrTest::TestRRectSimple(random); |
| 2319 | |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2320 | SkRect bounds; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame^] | 2321 | return create_rrect_batch(color, viewMatrix, rrect, random_strokerec(random), &bounds); |
joshualitt | 3e708c5 | 2015-04-30 13:49:27 -0700 | [diff] [blame] | 2322 | } |
| 2323 | |
| 2324 | #endif |