Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(249)

Unified Diff: src/gpu/batches/GrPLSPathRenderer.cpp

Issue 1541903002: added support for PLS path rendering (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix for ASAN failure Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/gpu/batches/GrPLSPathRenderer.h ('k') | src/gpu/batches/GrTInstanceBatch.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/gpu/batches/GrPLSPathRenderer.cpp
diff --git a/src/gpu/batches/GrPLSPathRenderer.cpp b/src/gpu/batches/GrPLSPathRenderer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1f61192a669facd139f8973de197c0602ef83d4e
--- /dev/null
+++ b/src/gpu/batches/GrPLSPathRenderer.cpp
@@ -0,0 +1,1012 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrPLSPathRenderer.h"
+
+#include "SkChunkAlloc.h"
+#include "SkGeometry.h"
+#include "SkPathPriv.h"
+#include "SkString.h"
+#include "SkTSort.h"
+#include "SkTraceEvent.h"
+#include "GrBatchFlushState.h"
+#include "GrBatchTest.h"
+#include "GrCaps.h"
+#include "GrContext.h"
+#include "GrDefaultGeoProcFactory.h"
+#include "GrPLSGeometryProcessor.h"
+#include "GrInvariantOutput.h"
+#include "GrPathUtils.h"
+#include "GrProcessor.h"
+#include "GrPipelineBuilder.h"
+#include "GrStrokeInfo.h"
+#include "GrTessellator.h"
+#include "batches/GrVertexBatch.h"
+#include "glsl/GrGLSLGeometryProcessor.h"
+#include "gl/builders/GrGLProgramBuilder.h"
+#include "glsl/GrGLSLPLSPathRendering.h"
+
+GrPLSPathRenderer::GrPLSPathRenderer() {
+}
+
+struct PLSVertex {
+ SkPoint fPos;
+ // for triangles, these are the three triangle vertices
+ // for quads, vert1 is the texture UV coords, and vert2 and vert3 are the line segment
+ // comprising the flat edge of the quad
+ SkPoint fVert1;
+ SkPoint fVert2;
+ SkPoint fVert3;
+ int fWinding;
+};
+typedef SkTArray<PLSVertex, true> PLSVertices;
+
+typedef SkTArray<SkPoint, true> FinishVertices;
+
+static const float kCubicTolerance = 0.5f;
+static const float kConicTolerance = 0.5f;
+
+static const float kBloatSize = 1.0f;
+
+static const float kBloatLimit = 640000.0f;
+
+#define kQuadNumVertices 5
+static void add_quad(SkPoint pts[3], PLSVertices& vertices) {
+ SkPoint normal = SkPoint::Make(pts[0].fY - pts[2].fY,
+ pts[2].fX - pts[0].fX);
+ normal.setLength(kBloatSize);
+ SkScalar cross = (pts[1] - pts[0]).cross(pts[2] - pts[0]);
+ if (cross < 0) {
+ normal = -normal;
+ }
+ PLSVertex quad[kQuadNumVertices];
+ quad[0].fPos = pts[0] + normal;
+ quad[1].fPos = pts[0] - normal;
+ quad[2].fPos = pts[1] - normal;
+ quad[3].fPos = pts[2] - normal;
+ quad[4].fPos = pts[2] + normal;
+ for (int i = 0; i < kQuadNumVertices; i++) {
+ quad[i].fWinding = cross < 0 ? 1 : -1;
+ if (cross > 0.0) {
+ quad[i].fVert2 = pts[0];
+ quad[i].fVert3 = pts[2];
+ }
+ else {
+ quad[i].fVert2 = pts[2];
+ quad[i].fVert3 = pts[0];
+ }
+ }
+ GrPathUtils::QuadUVMatrix DevToUV(pts);
+ DevToUV.apply<kQuadNumVertices, sizeof(PLSVertex), sizeof(SkPoint)>(quad);
+ for (int i = 2; i < kQuadNumVertices; i++) {
+ vertices.push_back(quad[0]);
+ vertices.push_back(quad[i - 1]);
+ vertices.push_back(quad[i]);
+ }
+}
+
+/* Used by bloat_tri; outsets a single point. */
+static bool outset(SkPoint* p1, SkPoint line1, SkPoint line2) {
+ // rotate the two line vectors 90 degrees to form the normals, and compute
+ // the dot product of the normals
+ SkScalar dotProd = line1.fY * line2.fY + line1.fX * line2.fX;
+ SkScalar lengthSq = 1.0f / ((1.0f - dotProd) / 2.0f);
+ if (lengthSq > kBloatLimit) {
+ return false;
+ }
+ SkPoint bisector = line1 + line2;
+ bisector.setLength(SkScalarSqrt(lengthSq) * kBloatSize);
+ *p1 += bisector;
+ return true;
+}
+
+/* Bloats a triangle so as to create a border kBloatSize pixels wide all around it. */
+static bool bloat_tri(SkPoint pts[3]) {
+ SkPoint line1 = pts[0] - pts[1];
+ line1.normalize();
+ SkPoint line2 = pts[0] - pts[2];
+ line2.normalize();
+ SkPoint line3 = pts[1] - pts[2];
+ line3.normalize();
+
+ SkPoint result[3];
+ result[0] = pts[0];
+ if (!outset(&result[0], line1, line2)) {
+ return false;
+ }
+ result[1] = pts[1];
+ if (!outset(&result[1], -line1, line3)) {
+ return false;
+ }
+ result[2] = pts[2];
+ if (!outset(&result[2], -line3, -line2)) {
+ return false;
+ }
+ pts[0] = result[0];
+ pts[1] = result[1];
+ pts[2] = result[2];
+ return true;
+}
+
+static bool get_geometry(const SkPath& path, const SkMatrix& m, PLSVertices& triVertices,
+ PLSVertices& quadVertices, GrResourceProvider* resourceProvider,
+ SkRect bounds) {
+ SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
+ SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, m, bounds);
+ int contourCnt;
+ int maxPts = GrPathUtils::worstCasePointCount(path, &contourCnt, tol);
+ if (maxPts <= 0) {
+ return 0;
+ }
+ SkPath linesOnlyPath;
+ linesOnlyPath.setFillType(path.getFillType());
+ SkSTArray<15, SkPoint, true> quadPoints;
+ SkPathPriv::FirstDirection dir = SkPathPriv::FirstDirection::kUnknown_FirstDirection;
+ SkPath::Iter iter(path, true);
+ bool done = false;
+ while (!done) {
+ SkPoint pts[4];
+ SkPath::Verb verb = iter.next(pts);
+ switch (verb) {
+ case SkPath::kMove_Verb:
+ SkASSERT(quadPoints.count() % 3 == 0);
+ for (int i = 0; i < quadPoints.count(); i += 3) {
+ add_quad(&quadPoints[i], quadVertices);
+ }
+ quadPoints.reset();
+ m.mapPoints(&pts[0], 1);
+ linesOnlyPath.moveTo(pts[0]);
+ break;
+ case SkPath::kLine_Verb:
+ m.mapPoints(&pts[1], 1);
+ linesOnlyPath.lineTo(pts[1]);
+ break;
+ case SkPath::kQuad_Verb:
+ m.mapPoints(pts, 3);
+ linesOnlyPath.lineTo(pts[2]);
+ quadPoints.push_back(pts[0]);
+ quadPoints.push_back(pts[1]);
+ quadPoints.push_back(pts[2]);
+ break;
+ case SkPath::kCubic_Verb: {
+ m.mapPoints(pts, 4);
+ SkSTArray<15, SkPoint, true> quads;
+ GrPathUtils::convertCubicToQuads(pts, kCubicTolerance, false, dir, &quads);
+ int count = quads.count();
+ for (int q = 0; q < count; q += 3) {
+ linesOnlyPath.lineTo(quads[q + 2]);
+ quadPoints.push_back(quads[q]);
+ quadPoints.push_back(quads[q + 1]);
+ quadPoints.push_back(quads[q + 2]);
+ }
+ break;
+ }
+ case SkPath::kConic_Verb: {
+ m.mapPoints(pts, 3);
+ SkScalar weight = iter.conicWeight();
+ SkAutoConicToQuads converter;
+ const SkPoint* quads = converter.computeQuads(pts, weight, kConicTolerance);
+ int count = converter.countQuads();
+ for (int i = 0; i < count; ++i) {
+ linesOnlyPath.lineTo(quads[2 * i + 2]);
+ quadPoints.push_back(quads[2 * i]);
+ quadPoints.push_back(quads[2 * i + 1]);
+ quadPoints.push_back(quads[2 * i + 2]);
+ }
+ break;
+ }
+ case SkPath::kClose_Verb:
+ linesOnlyPath.close();
+ break;
+ case SkPath::kDone_Verb:
+ done = true;
+ break;
+ default: SkASSERT(false);
+ }
+ }
+ SkASSERT(quadPoints.count() % 3 == 0);
+ for (int i = 0; i < quadPoints.count(); i += 3) {
+ add_quad(&quadPoints[i], quadVertices);
+ }
+
+ static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
+ GrUniqueKey key;
+ GrUniqueKey::Builder builder(&key, kDomain, 2);
+ builder[0] = path.getGenerationID();
+ builder[1] = path.getFillType();
+ builder.finish();
+ GrTessellator::WindingVertex* windingVertices;
+ int triVertexCount = GrTessellator::PathToVertices(linesOnlyPath, 0, bounds, &windingVertices);
+ if (triVertexCount > 0) {
+ for (int i = 0; i < triVertexCount; i += 3) {
+ SkPoint p1 = windingVertices[i].fPos;
+ SkPoint p2 = windingVertices[i + 1].fPos;
+ SkPoint p3 = windingVertices[i + 2].fPos;
+ int winding = windingVertices[i].fWinding;
+ SkASSERT(windingVertices[i + 1].fWinding == winding);
+ SkASSERT(windingVertices[i + 2].fWinding == winding);
+ SkScalar cross = (p2 - p1).cross(p3 - p1);
+ SkPoint bloated[3] = { p1, p2, p3 };
+ if (cross < 0.0f) {
+ SkTSwap(p1, p3);
+ }
+ if (bloat_tri(bloated)) {
+ triVertices.push_back({ bloated[0], p1, p2, p3, winding });
+ triVertices.push_back({ bloated[1], p1, p2, p3, winding });
+ triVertices.push_back({ bloated[2], p1, p2, p3, winding });
+ }
+ else {
+ SkScalar minX = SkTMin(p1.fX, SkTMin(p2.fX, p3.fX)) - 1.0f;
+ SkScalar minY = SkTMin(p1.fY, SkTMin(p2.fY, p3.fY)) - 1.0f;
+ SkScalar maxX = SkTMax(p1.fX, SkTMax(p2.fX, p3.fX)) + 1.0f;
+ SkScalar maxY = SkTMax(p1.fY, SkTMax(p2.fY, p3.fY)) + 1.0f;
+ triVertices.push_back({ { minX, minY }, p1, p2, p3, winding });
+ triVertices.push_back({ { maxX, minY }, p1, p2, p3, winding });
+ triVertices.push_back({ { minX, maxY }, p1, p2, p3, winding });
+ triVertices.push_back({ { maxX, minY }, p1, p2, p3, winding });
+ triVertices.push_back({ { maxX, maxY }, p1, p2, p3, winding });
+ triVertices.push_back({ { minX, maxY }, p1, p2, p3, winding });
+ }
+ }
+ delete[] windingVertices;
+ }
+ return triVertexCount > 0 || quadVertices.count() > 0;
+}
+
+class PLSAATriangleEffect : public GrPLSGeometryProcessor {
+public:
+
+ static GrPLSGeometryProcessor* Create(const SkMatrix& localMatrix,
+ bool usesLocalCoords) {
+ return new PLSAATriangleEffect(localMatrix, usesLocalCoords);
+ }
+
+ virtual ~PLSAATriangleEffect() {}
+
+ const char* name() const override { return "PLSAATriangle"; }
+
+ const Attribute* inPosition() const { return fInPosition; }
+ const Attribute* inVertex1() const { return fInVertex1; }
+ const Attribute* inVertex2() const { return fInVertex2; }
+ const Attribute* inVertex3() const { return fInVertex3; }
+ const Attribute* inWindings() const { return fInWindings; }
+ const SkMatrix& localMatrix() const { return fLocalMatrix; }
+ bool usesLocalCoords() const { return fUsesLocalCoords; }
+
+ class GLSLProcessor : public GrGLSLGeometryProcessor {
+ public:
+ GLSLProcessor(const GrGeometryProcessor&) {}
+
+ void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
+ const PLSAATriangleEffect& te = args.fGP.cast<PLSAATriangleEffect>();
+ GrGLSLVertexBuilder* vsBuilder = args.fVertBuilder;
+ GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
+ GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
+
+ varyingHandler->emitAttributes(te);
+
+ this->setupPosition(vsBuilder, gpArgs, te.inPosition()->fName);
+
+ GrGLSLVertToFrag v1(kVec2f_GrSLType);
+ varyingHandler->addVarying("Vertex1", &v1, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x, %s.y);",
+ v1.vsOut(),
+ te.inVertex1()->fName,
+ te.inVertex1()->fName);
+
+ GrGLSLVertToFrag v2(kVec2f_GrSLType);
+ varyingHandler->addVarying("Vertex2", &v2, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x, %s.y);",
+ v2.vsOut(),
+ te.inVertex2()->fName,
+ te.inVertex2()->fName);
+
+ GrGLSLVertToFrag v3(kVec2f_GrSLType);
+ varyingHandler->addVarying("Vertex3", &v3, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x, %s.y);",
+ v3.vsOut(),
+ te.inVertex3()->fName,
+ te.inVertex3()->fName);
+
+ GrGLSLVertToFrag delta1(kVec2f_GrSLType);
+ varyingHandler->addVarying("delta1", &delta1, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x - %s.x, %s.y - %s.y) * 0.5;",
+ delta1.vsOut(), v1.vsOut(), v2.vsOut(), v2.vsOut(), v1.vsOut());
+
+ GrGLSLVertToFrag delta2(kVec2f_GrSLType);
+ varyingHandler->addVarying("delta2", &delta2, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x - %s.x, %s.y - %s.y) * 0.5;",
+ delta2.vsOut(), v2.vsOut(), v3.vsOut(), v3.vsOut(), v2.vsOut());
+
+ GrGLSLVertToFrag delta3(kVec2f_GrSLType);
+ varyingHandler->addVarying("delta3", &delta3, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x - %s.x, %s.y - %s.y) * 0.5;",
+ delta3.vsOut(), v3.vsOut(), v1.vsOut(), v1.vsOut(), v3.vsOut());
+
+ GrGLSLVertToFrag windings(kInt_GrSLType);
+ varyingHandler->addVarying("windings", &windings, kLow_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = %s;",
+ windings.vsOut(), te.inWindings()->fName);
+
+ // emit transforms
+ this->emitTransforms(vsBuilder, varyingHandler, uniformHandler, gpArgs->fPositionVar,
+ te.inPosition()->fName, te.localMatrix(), args.fTransformsIn,
+ args.fTransformsOut);
+
+ GrGLSLFragmentBuilder* fsBuilder = args.fFragBuilder;
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLSLFragmentShaderBuilder::kPixelLocalStorage_GLSLFeature));
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
+ fsBuilder->declAppendf(GR_GL_PLS_PATH_DATA_DECL);
+ // Compute four subsamples, each shifted a quarter pixel along x and y from
+ // gl_FragCoord. The oriented box positioning of the subsamples is of course not
+ // optimal, but it greatly simplifies the math and this simplification is necessary for
+ // performance reasons.
+ fsBuilder->codeAppendf("highp vec2 firstSample = %s.xy - vec2(0.25);",
+ fsBuilder->fragmentPosition());
+ fsBuilder->codeAppendf("highp vec2 delta1 = %s;", delta1.fsIn());
+ fsBuilder->codeAppendf("highp vec2 delta2 = %s;", delta2.fsIn());
+ fsBuilder->codeAppendf("highp vec2 delta3 = %s;", delta3.fsIn());
+ // Check whether first sample is inside the triangle by computing three dot products. If
+ // all are < 0, we're inside. The first vector in each case is half of what it is
+ // "supposed" to be, because we re-use them later as adjustment factors for which half
+ // is the correct value, so we multiply the dots by two to compensate.
+ fsBuilder->codeAppendf("highp float d1 = dot(delta1, (firstSample - %s).yx) * 2.0;",
+ v1.fsIn());
+ fsBuilder->codeAppendf("highp float d2 = dot(delta2, (firstSample - %s).yx) * 2.0;",
+ v2.fsIn());
+ fsBuilder->codeAppendf("highp float d3 = dot(delta3, (firstSample - %s).yx) * 2.0;",
+ v3.fsIn());
+ fsBuilder->codeAppend("highp float dmax = max(d1, max(d2, d3));");
+ fsBuilder->codeAppendf("pls.windings[0] += (dmax <= 0.0) ? %s : 0;", windings.fsIn());
+ // for subsequent samples, we don't recalculate the entire dot product -- just adjust it
+ // to the value it would have if we did recompute it.
+ fsBuilder->codeAppend("d1 += delta1.x;");
+ fsBuilder->codeAppend("d2 += delta2.x;");
+ fsBuilder->codeAppend("d3 += delta3.x;");
+ fsBuilder->codeAppend("dmax = max(d1, max(d2, d3));");
+ fsBuilder->codeAppendf("pls.windings[1] += (dmax <= 0.0) ? %s : 0;", windings.fsIn());
+ fsBuilder->codeAppend("d1 += delta1.y;");
+ fsBuilder->codeAppend("d2 += delta2.y;");
+ fsBuilder->codeAppend("d3 += delta3.y;");
+ fsBuilder->codeAppend("dmax = max(d1, max(d2, d3));");
+ fsBuilder->codeAppendf("pls.windings[2] += (dmax <= 0.0) ? %s : 0;", windings.fsIn());
+ fsBuilder->codeAppend("d1 -= delta1.x;");
+ fsBuilder->codeAppend("d2 -= delta2.x;");
+ fsBuilder->codeAppend("d3 -= delta3.x;");
+ fsBuilder->codeAppend("dmax = max(d1, max(d2, d3));");
+ fsBuilder->codeAppendf("pls.windings[3] += (dmax <= 0.0) ? %s : 0;", windings.fsIn());
+ }
+
+ static inline void GenKey(const GrGeometryProcessor& gp,
+ const GrGLSLCaps&,
+ GrProcessorKeyBuilder* b) {
+ const PLSAATriangleEffect& te = gp.cast<PLSAATriangleEffect>();
+ uint32_t key = 0;
+ key |= te.localMatrix().hasPerspective() ? 0x1 : 0x0;
+ b->add32(key);
+ }
+
+ virtual void setData(const GrGLSLProgramDataManager& pdman,
+ const GrPrimitiveProcessor& gp) override {
+ }
+
+ void setTransformData(const GrPrimitiveProcessor& primProc,
+ const GrGLSLProgramDataManager& pdman,
+ int index,
+ const SkTArray<const GrCoordTransform*, true>& transforms) override {
+ this->setTransformDataHelper<PLSAATriangleEffect>(primProc, pdman, index, transforms);
+ }
+
+ private:
+ typedef GrGLSLGeometryProcessor INHERITED;
+ };
+
+ virtual void getGLSLProcessorKey(const GrGLSLCaps& caps,
+ GrProcessorKeyBuilder* b) const override {
+ GLSLProcessor::GenKey(*this, caps, b);
+ }
+
+ virtual GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override {
+ return new GLSLProcessor(*this);
+ }
+
+private:
+ PLSAATriangleEffect(const SkMatrix& localMatrix, bool usesLocalCoords)
+ : fLocalMatrix(localMatrix)
+ , fUsesLocalCoords(usesLocalCoords) {
+ this->initClassID<PLSAATriangleEffect>();
+ fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInVertex1 = &this->addVertexAttrib(Attribute("inVertex1", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInVertex2 = &this->addVertexAttrib(Attribute("inVertex2", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInVertex3 = &this->addVertexAttrib(Attribute("inVertex3", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInWindings = &this->addVertexAttrib(Attribute("inWindings", kInt_GrVertexAttribType,
+ kLow_GrSLPrecision));
+ this->setWillReadFragmentPosition();
+ }
+
+ const Attribute* fInPosition;
+ const Attribute* fInVertex1;
+ const Attribute* fInVertex2;
+ const Attribute* fInVertex3;
+ const Attribute* fInWindings;
+ SkMatrix fLocalMatrix;
+ bool fUsesLocalCoords;
+
+ GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
+
+ typedef GrGeometryProcessor INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+/*
+ * Quadratic specified by 0=u^2-v canonical coords. u and v are the first
+ * two components of the vertex attribute. Coverage is based on signed
+ * distance with negative being inside, positive outside. The edge is specified in
+ * window space (y-down). If either the third or fourth component of the interpolated
+ * vertex coord is > 0 then the pixel is considered outside the edge. This is used to
+ * attempt to trim to a portion of the infinite quad.
+ * Requires shader derivative instruction support.
+ */
+
+class PLSQuadEdgeEffect : public GrPLSGeometryProcessor {
+public:
+
+ static GrPLSGeometryProcessor* Create(const SkMatrix& localMatrix,
+ bool usesLocalCoords) {
+ return new PLSQuadEdgeEffect(localMatrix, usesLocalCoords);
+ }
+
+ virtual ~PLSQuadEdgeEffect() {}
+
+ const char* name() const override { return "PLSQuadEdge"; }
+
+ const Attribute* inPosition() const { return fInPosition; }
+ const Attribute* inUV() const { return fInUV; }
+ const Attribute* inEndpoint1() const { return fInEndpoint1; }
+ const Attribute* inEndpoint2() const { return fInEndpoint2; }
+ const Attribute* inWindings() const { return fInWindings; }
+ const SkMatrix& localMatrix() const { return fLocalMatrix; }
+ bool usesLocalCoords() const { return fUsesLocalCoords; }
+
+ class GLSLProcessor : public GrGLSLGeometryProcessor {
+ public:
+ GLSLProcessor(const GrGeometryProcessor&) {}
+
+ void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
+ const PLSQuadEdgeEffect& qe = args.fGP.cast<PLSQuadEdgeEffect>();
+ GrGLSLVertexBuilder* vsBuilder = args.fVertBuilder;
+ GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
+ GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
+
+ // emit attributes
+ varyingHandler->emitAttributes(qe);
+
+ GrGLSLVertToFrag uv(kVec2f_GrSLType);
+ varyingHandler->addVarying("uv", &uv, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = %s;", uv.vsOut(), qe.inUV()->fName);
+
+ GrGLSLVertToFrag ep1(kVec2f_GrSLType);
+ varyingHandler->addVarying("endpoint1", &ep1, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x, %s.y);", ep1.vsOut(),
+ qe.inEndpoint1()->fName, qe.inEndpoint1()->fName);
+
+ GrGLSLVertToFrag ep2(kVec2f_GrSLType);
+ varyingHandler->addVarying("endpoint2", &ep2, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x, %s.y);", ep2.vsOut(),
+ qe.inEndpoint2()->fName, qe.inEndpoint2()->fName);
+
+ GrGLSLVertToFrag delta(kVec2f_GrSLType);
+ varyingHandler->addVarying("delta", &delta, kHigh_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = vec2(%s.x - %s.x, %s.y - %s.y) * 0.5;",
+ delta.vsOut(), ep1.vsOut(), ep2.vsOut(), ep2.vsOut(),
+ ep1.vsOut());
+
+ GrGLSLVertToFrag windings(kInt_GrSLType);
+ varyingHandler->addVarying("windings", &windings, kLow_GrSLPrecision);
+ vsBuilder->codeAppendf("%s = %s;",
+ windings.vsOut(), qe.inWindings()->fName);
+
+ // Setup position
+ this->setupPosition(vsBuilder, gpArgs, qe.inPosition()->fName);
+
+ // emit transforms
+ this->emitTransforms(vsBuilder, varyingHandler, uniformHandler, gpArgs->fPositionVar,
+ qe.inPosition()->fName, qe.localMatrix(), args.fTransformsIn,
+ args.fTransformsOut);
+
+ GrGLSLFragmentBuilder* fsBuilder = args.fFragBuilder;
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLSLFragmentShaderBuilder::kPixelLocalStorage_GLSLFeature));
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
+ static const int QUAD_ARGS = 2;
+ GrGLSLShaderVar inQuadArgs[QUAD_ARGS] = {
+ GrGLSLShaderVar("dot", kFloat_GrSLType, 0, kHigh_GrSLPrecision),
+ GrGLSLShaderVar("uv", kVec2f_GrSLType, 0, kHigh_GrSLPrecision)
+ };
+ SkString inQuadName;
+
+ const char* inQuadCode = "if (uv.x * uv.x <= uv.y) {"
+ "return dot >= 0.0;"
+ "} else {"
+ "return false;"
+ "}";
+ fsBuilder->emitFunction(kBool_GrSLType, "in_quad", QUAD_ARGS, inQuadArgs, inQuadCode,
+ &inQuadName);
+ fsBuilder->declAppendf(GR_GL_PLS_PATH_DATA_DECL);
+ // keep the derivative instructions outside the conditional
+ fsBuilder->codeAppendf("highp vec2 uvdX = dFdx(%s);", uv.fsIn());
+ fsBuilder->codeAppendf("highp vec2 uvdY = dFdy(%s);", uv.fsIn());
+ fsBuilder->codeAppend("highp vec2 uvIncX = uvdX * 0.45 + uvdY * -0.1;");
+ fsBuilder->codeAppend("highp vec2 uvIncY = uvdX * 0.1 + uvdY * 0.55;");
+ fsBuilder->codeAppendf("highp vec2 uv = %s.xy - uvdX * 0.35 - uvdY * 0.25;",
+ uv.fsIn());
+ fsBuilder->codeAppendf("highp vec2 firstSample = %s.xy - vec2(0.25);",
+ fsBuilder->fragmentPosition());
+ fsBuilder->codeAppendf("highp float d = dot(%s, (firstSample - %s).yx) * 2.0;",
+ delta.fsIn(), ep1.fsIn());
+ fsBuilder->codeAppendf("pls.windings[0] += %s(d, uv) ? %s : 0;", inQuadName.c_str(),
+ windings.fsIn());
+ fsBuilder->codeAppend("uv += uvIncX;");
+ fsBuilder->codeAppendf("d += %s.x;", delta.fsIn());
+ fsBuilder->codeAppendf("pls.windings[1] += %s(d, uv) ? %s : 0;", inQuadName.c_str(),
+ windings.fsIn());
+ fsBuilder->codeAppend("uv += uvIncY;");
+ fsBuilder->codeAppendf("d += %s.y;", delta.fsIn());
+ fsBuilder->codeAppendf("pls.windings[2] += %s(d, uv) ? %s : 0;", inQuadName.c_str(),
+ windings.fsIn());
+ fsBuilder->codeAppend("uv -= uvIncX;");
+ fsBuilder->codeAppendf("d -= %s.x;", delta.fsIn());
+ fsBuilder->codeAppendf("pls.windings[3] += %s(d, uv) ? %s : 0;", inQuadName.c_str(),
+ windings.fsIn());
+ }
+
+ static inline void GenKey(const GrGeometryProcessor& gp,
+ const GrGLSLCaps&,
+ GrProcessorKeyBuilder* b) {
+ const PLSQuadEdgeEffect& qee = gp.cast<PLSQuadEdgeEffect>();
+ uint32_t key = 0;
+ key |= qee.usesLocalCoords() && qee.localMatrix().hasPerspective() ? 0x1 : 0x0;
+ b->add32(key);
+ }
+
+ virtual void setData(const GrGLSLProgramDataManager& pdman,
+ const GrPrimitiveProcessor& gp) override {
+ }
+
+ void setTransformData(const GrPrimitiveProcessor& primProc,
+ const GrGLSLProgramDataManager& pdman,
+ int index,
+ const SkTArray<const GrCoordTransform*, true>& transforms) override {
+ this->setTransformDataHelper<PLSQuadEdgeEffect>(primProc, pdman, index, transforms);
+ }
+
+ private:
+ typedef GrGLSLGeometryProcessor INHERITED;
+ };
+
+ virtual void getGLSLProcessorKey(const GrGLSLCaps& caps,
+ GrProcessorKeyBuilder* b) const override {
+ GLSLProcessor::GenKey(*this, caps, b);
+ }
+
+ virtual GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override {
+ return new GLSLProcessor(*this);
+ }
+
+private:
+ PLSQuadEdgeEffect(const SkMatrix& localMatrix, bool usesLocalCoords)
+ : fLocalMatrix(localMatrix)
+ , fUsesLocalCoords(usesLocalCoords) {
+ this->initClassID<PLSQuadEdgeEffect>();
+ fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInUV = &this->addVertexAttrib(Attribute("inUV", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInEndpoint1 = &this->addVertexAttrib(Attribute("inEndpoint1", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInEndpoint2 = &this->addVertexAttrib(Attribute("inEndpoint2", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ fInWindings = &this->addVertexAttrib(Attribute("inWindings", kInt_GrVertexAttribType,
+ kLow_GrSLPrecision));
+ this->setWillReadFragmentPosition();
+ }
+
+ const Attribute* fInPosition;
+ const Attribute* fInUV;
+ const Attribute* fInEndpoint1;
+ const Attribute* fInEndpoint2;
+ const Attribute* fInWindings;
+ SkMatrix fLocalMatrix;
+ bool fUsesLocalCoords;
+
+ GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
+
+ typedef GrGeometryProcessor INHERITED;
+};
+
+class PLSFinishEffect : public GrGeometryProcessor {
+public:
+
+ static GrGeometryProcessor* Create(GrColor color, bool useEvenOdd, const SkMatrix& localMatrix,
+ bool usesLocalCoords) {
+ return new PLSFinishEffect(color, useEvenOdd, localMatrix, usesLocalCoords);
+ }
+
+ virtual ~PLSFinishEffect() {}
+
+ const char* name() const override { return "PLSFinish"; }
+
+ const Attribute* inPosition() const { return fInPosition; }
+ GrColor color() const { return fColor; }
+ bool colorIgnored() const { return GrColor_ILLEGAL == fColor; }
+ const SkMatrix& localMatrix() const { return fLocalMatrix; }
+ bool usesLocalCoords() const { return fUsesLocalCoords; }
+
+ GrPixelLocalStorageState getPixelLocalStorageState() const override {
+ return GrPixelLocalStorageState::kFinish_GrPixelLocalStorageState;
+ }
+
+ const char* getDestColorOverride() const override {
+ return GR_GL_PLS_DSTCOLOR_NAME;
+ }
+
+ class GLSLProcessor : public GrGLSLGeometryProcessor {
+ public:
+ GLSLProcessor(const GrGeometryProcessor&) {}
+
+ void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
+ const PLSFinishEffect& fe = args.fGP.cast<PLSFinishEffect>();
+ GrGLSLVertexBuilder* vsBuilder = args.fVertBuilder;
+ GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
+ GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
+
+ fUseEvenOdd = uniformHandler->addUniform(GrGLUniformHandler::kFragment_Visibility,
+ kFloat_GrSLType, kLow_GrSLPrecision,
+ "useEvenOdd");
+ const char* useEvenOdd = uniformHandler->getUniformCStr(fUseEvenOdd);
+
+ varyingHandler->emitAttributes(fe);
+ this->setupPosition(vsBuilder, gpArgs, fe.inPosition()->fName);
+ this->emitTransforms(vsBuilder, varyingHandler, uniformHandler, gpArgs->fPositionVar,
+ fe.inPosition()->fName, fe.localMatrix(), args.fTransformsIn,
+ args.fTransformsOut);
+
+ GrGLSLFragmentBuilder* fsBuilder = args.fFragBuilder;
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLSLFragmentShaderBuilder::kPixelLocalStorage_GLSLFeature));
+ fsBuilder->declAppendf(GR_GL_PLS_PATH_DATA_DECL);
+ fsBuilder->codeAppend("float coverage;");
+ fsBuilder->codeAppendf("if (%s != 0.0) {", useEvenOdd);
+ fsBuilder->codeAppend("coverage = float(abs(pls.windings[0]) % 2) * 0.25;");
+ fsBuilder->codeAppend("coverage += float(abs(pls.windings[1]) % 2) * 0.25;");
+ fsBuilder->codeAppend("coverage += float(abs(pls.windings[2]) % 2) * 0.25;");
+ fsBuilder->codeAppend("coverage += float(abs(pls.windings[3]) % 2) * 0.25;");
+ fsBuilder->codeAppend("} else {");
+ fsBuilder->codeAppend("coverage = pls.windings[0] != 0 ? 0.25 : 0.0;");
+ fsBuilder->codeAppend("coverage += pls.windings[1] != 0 ? 0.25 : 0.0;");
+ fsBuilder->codeAppend("coverage += pls.windings[2] != 0 ? 0.25 : 0.0;");
+ fsBuilder->codeAppend("coverage += pls.windings[3] != 0 ? 0.25 : 0.0;");
+ fsBuilder->codeAppend("}");
+ if (!fe.colorIgnored()) {
+ this->setupUniformColor(fsBuilder, uniformHandler, args.fOutputColor,
+ &fColorUniform);
+ }
+ fsBuilder->codeAppendf("%s = vec4(coverage);", args.fOutputCoverage);
+ fsBuilder->codeAppendf("%s = vec4(1.0, 0.0, 1.0, 1.0);", args.fOutputColor);
+ }
+
+ static inline void GenKey(const GrGeometryProcessor& gp,
+ const GrGLSLCaps&,
+ GrProcessorKeyBuilder* b) {
+ const PLSFinishEffect& fe = gp.cast<PLSFinishEffect>();
+ uint32_t key = 0;
+ key |= fe.usesLocalCoords() && fe.localMatrix().hasPerspective() ? 0x1 : 0x0;
+ b->add32(key);
+ }
+
+ virtual void setData(const GrGLSLProgramDataManager& pdman,
+ const GrPrimitiveProcessor& gp) override {
+ const PLSFinishEffect& fe = gp.cast<PLSFinishEffect>();
+ pdman.set1f(fUseEvenOdd, fe.fUseEvenOdd);
+ if (fe.color() != fColor && !fe.colorIgnored()) {
+ GrGLfloat c[4];
+ GrColorToRGBAFloat(fe.color(), c);
+ pdman.set4fv(fColorUniform, 1, c);
+ fColor = fe.color();
+ }
+ }
+
+ void setTransformData(const GrPrimitiveProcessor& primProc,
+ const GrGLSLProgramDataManager& pdman,
+ int index,
+ const SkTArray<const GrCoordTransform*, true>& transforms) override {
+ this->setTransformDataHelper<PLSFinishEffect>(primProc, pdman, index, transforms);
+ }
+
+ private:
+ GrColor fColor;
+ UniformHandle fColorUniform;
+ UniformHandle fUseEvenOdd;
+
+ typedef GrGLSLGeometryProcessor INHERITED;
+ };
+
+ virtual void getGLSLProcessorKey(const GrGLSLCaps& caps,
+ GrProcessorKeyBuilder* b) const override {
+ GLSLProcessor::GenKey(*this, caps, b);
+ }
+
+ virtual GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override {
+ return new GLSLProcessor(*this);
+ }
+
+private:
+ PLSFinishEffect(GrColor color, bool useEvenOdd, const SkMatrix& localMatrix,
+ bool usesLocalCoords)
+ : fColor(color)
+ , fUseEvenOdd(useEvenOdd)
+ , fLocalMatrix(localMatrix)
+ , fUsesLocalCoords(usesLocalCoords) {
+ this->initClassID<PLSFinishEffect>();
+ fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType,
+ kHigh_GrSLPrecision));
+ }
+
+ const Attribute* fInPosition;
+ GrColor fColor;
+ bool fUseEvenOdd;
+ SkMatrix fLocalMatrix;
+ bool fUsesLocalCoords;
+
+ typedef GrGeometryProcessor INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool GrPLSPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
+ // We have support for even-odd rendering, but are having some troublesome
+ // seams. Disable in the presence of even-odd for now.
+ return args.fShaderCaps->shaderDerivativeSupport() && args.fAntiAlias &&
+ args.fStroke->isFillStyle() && !args.fPath->isInverseFillType() &&
+ args.fPath->getFillType() == SkPath::FillType::kWinding_FillType;
+}
+
+class PLSPathBatch : public GrVertexBatch {
+public:
+ DEFINE_BATCH_CLASS_ID
+ struct Geometry {
+ GrColor fColor;
+ SkMatrix fViewMatrix;
+ SkPath fPath;
+ };
+
+ static GrDrawBatch* Create(const Geometry& geometry) {
+ return new PLSPathBatch(geometry);
+ }
+
+ const char* name() const override { return "PLSBatch"; }
+
+ void computePipelineOptimizations(GrInitInvariantOutput* color,
+ GrInitInvariantOutput* coverage,
+ GrBatchToXPOverrides* overrides) const override {
+ // When this is called on a batch, there is only one geometry bundle
+ color->setKnownFourComponents(fGeoData[0].fColor);
+ coverage->setUnknownSingleComponent();
+ overrides->fUsePLSDstRead = true;
+ }
+
+ void initBatchTracker(const GrXPOverridesForBatch& overrides) override {
+ // Handle any color overrides
+ if (!overrides.readsColor()) {
+ fGeoData[0].fColor = GrColor_ILLEGAL;
+ }
+ overrides.getOverrideColorIfSet(&fGeoData[0].fColor);
+
+ // setup batch properties
+ fBatch.fColorIgnored = !overrides.readsColor();
+ fBatch.fColor = fGeoData[0].fColor;
+ fBatch.fUsesLocalCoords = overrides.readsLocalCoords();
+ fBatch.fCoverageIgnored = !overrides.readsCoverage();
+ fBatch.fCanTweakAlphaForCoverage = overrides.canTweakAlphaForCoverage();
+ }
+
+ void onPrepareDraws(Target* target) const override {
+ int instanceCount = fGeoData.count();
+
+ SkMatrix invert;
+ if (this->usesLocalCoords() && !this->viewMatrix().invert(&invert)) {
+ SkDebugf("Could not invert viewmatrix\n");
+ return;
+ }
+
+ // Setup GrGeometryProcessors
+ SkAutoTUnref<GrPLSGeometryProcessor> triangleProcessor(
+ PLSAATriangleEffect::Create(invert, this->usesLocalCoords()));
+ SkAutoTUnref<GrPLSGeometryProcessor> quadProcessor(
+ PLSQuadEdgeEffect::Create(invert, this->usesLocalCoords()));
+
+ GrResourceProvider* rp = target->resourceProvider();
+ for (int i = 0; i < instanceCount; ++i) {
+ const Geometry& args = fGeoData[i];
+ SkRect bounds = args.fPath.getBounds();
+ args.fViewMatrix.mapRect(&bounds);
+ bounds.fLeft = SkScalarFloorToScalar(bounds.fLeft);
+ bounds.fTop = SkScalarFloorToScalar(bounds.fTop);
+ bounds.fRight = SkScalarCeilToScalar(bounds.fRight);
+ bounds.fBottom = SkScalarCeilToScalar(bounds.fBottom);
+ triangleProcessor->setBounds(bounds);
+ quadProcessor->setBounds(bounds);
+
+ // We use the fact that SkPath::transform path does subdivision based on
+ // perspective. Otherwise, we apply the view matrix when copying to the
+ // segment representation.
+ const SkMatrix* viewMatrix = &args.fViewMatrix;
+
+ // We avoid initializing the path unless we have to
+ const SkPath* pathPtr = &args.fPath;
+ SkTLazy<SkPath> tmpPath;
+ if (viewMatrix->hasPerspective()) {
+ SkPath* tmpPathPtr = tmpPath.init(*pathPtr);
+ tmpPathPtr->setIsVolatile(true);
+ tmpPathPtr->transform(*viewMatrix);
+ viewMatrix = &SkMatrix::I();
+ pathPtr = tmpPathPtr;
+ }
+
+ GrVertices grVertices;
+
+ PLSVertices triVertices;
+ PLSVertices quadVertices;
+ if (!get_geometry(*pathPtr, *viewMatrix, triVertices, quadVertices, rp, bounds)) {
+ continue;
+ }
+
+ if (triVertices.count()) {
+ const GrVertexBuffer* triVertexBuffer;
+ int firstTriVertex;
+ size_t triStride = triangleProcessor->getVertexStride();
+ PLSVertex* triVerts = reinterpret_cast<PLSVertex*>(target->makeVertexSpace(
+ triStride, triVertices.count(), &triVertexBuffer, &firstTriVertex));
+ if (!triVerts) {
+ SkDebugf("Could not allocate vertices\n");
+ return;
+ }
+ for (int i = 0; i < triVertices.count(); ++i) {
+ triVerts[i] = triVertices[i];
+ }
+ grVertices.init(kTriangles_GrPrimitiveType, triVertexBuffer, firstTriVertex,
+ triVertices.count());
+ target->initDraw(triangleProcessor, this->pipeline());
+ target->draw(grVertices);
+ }
+
+ if (quadVertices.count()) {
+ const GrVertexBuffer* quadVertexBuffer;
+ int firstQuadVertex;
+ size_t quadStride = quadProcessor->getVertexStride();
+ PLSVertex* quadVerts = reinterpret_cast<PLSVertex*>(target->makeVertexSpace(
+ quadStride, quadVertices.count(), &quadVertexBuffer, &firstQuadVertex));
+ if (!quadVerts) {
+ SkDebugf("Could not allocate vertices\n");
+ return;
+ }
+ for (int i = 0; i < quadVertices.count(); ++i) {
+ quadVerts[i] = quadVertices[i];
+ }
+ grVertices.init(kTriangles_GrPrimitiveType, quadVertexBuffer, firstQuadVertex,
+ quadVertices.count());
+ target->initDraw(quadProcessor, this->pipeline());
+ target->draw(grVertices);
+ }
+
+ SkAutoTUnref<GrGeometryProcessor> finishProcessor(
+ PLSFinishEffect::Create(this->color(),
+ pathPtr->getFillType() ==
+ SkPath::FillType::kEvenOdd_FillType,
+ invert,
+ this->usesLocalCoords()));
+ const GrVertexBuffer* rectVertexBuffer;
+ size_t finishStride = finishProcessor->getVertexStride();
+ int firstRectVertex;
+ static const int kRectVertexCount = 6;
+ SkPoint* rectVerts = reinterpret_cast<SkPoint*>(target->makeVertexSpace(
+ finishStride, kRectVertexCount, &rectVertexBuffer, &firstRectVertex));
+ if (!rectVerts) {
+ SkDebugf("Could not allocate vertices\n");
+ return;
+ }
+ rectVerts[0] = { bounds.fLeft, bounds.fTop };
+ rectVerts[1] = { bounds.fLeft, bounds.fBottom };
+ rectVerts[2] = { bounds.fRight, bounds.fBottom };
+ rectVerts[3] = { bounds.fLeft, bounds.fTop };
+ rectVerts[4] = { bounds.fRight, bounds.fTop };
+ rectVerts[5] = { bounds.fRight, bounds.fBottom };
+
+ grVertices.init(kTriangles_GrPrimitiveType, rectVertexBuffer, firstRectVertex,
+ kRectVertexCount);
+ target->initDraw(finishProcessor, this->pipeline());
+ target->draw(grVertices);
+ }
+ }
+
+ SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
+
+private:
+ PLSPathBatch(const Geometry& geometry) : INHERITED(ClassID()) {
+ fGeoData.push_back(geometry);
+
+ // compute bounds
+ fBounds = geometry.fPath.getBounds();
+ geometry.fViewMatrix.mapRect(&fBounds);
+ }
+
+ bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+ return false;
+ }
+
+ GrColor color() const { return fBatch.fColor; }
+ bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
+ bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCoverage; }
+ const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; }
+ bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
+
+ struct BatchTracker {
+ GrColor fColor;
+ bool fUsesLocalCoords;
+ bool fColorIgnored;
+ bool fCoverageIgnored;
+ bool fCanTweakAlphaForCoverage;
+ };
+
+ BatchTracker fBatch;
+ SkSTArray<1, Geometry, true> fGeoData;
+
+ typedef GrVertexBatch INHERITED;
+};
+
+SkDEBUGCODE(bool inPLSDraw = false;)
+bool GrPLSPathRenderer::onDrawPath(const DrawPathArgs& args) {
+ if (args.fPath->isEmpty()) {
+ return true;
+ }
+ SkASSERT(!inPLSDraw);
+ SkDEBUGCODE(inPLSDraw = true;)
+ PLSPathBatch::Geometry geometry;
+ geometry.fColor = args.fColor;
+ geometry.fViewMatrix = *args.fViewMatrix;
+ geometry.fPath = *args.fPath;
+
+ SkAutoTUnref<GrDrawBatch> batch(PLSPathBatch::Create(geometry));
+ args.fTarget->drawBatch(*args.fPipelineBuilder, batch);
+
+ SkDEBUGCODE(inPLSDraw = false;)
+ return true;
+
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef GR_TEST_UTILS
+
+DRAW_BATCH_TEST_DEFINE(PLSPathBatch) {
+ PLSPathBatch::Geometry geometry;
+ geometry.fColor = GrRandomColor(random);
+ geometry.fViewMatrix = GrTest::TestMatrixInvertible(random);
+ geometry.fPath = GrTest::TestPathConvex(random);
+
+ return PLSPathBatch::Create(geometry);
+}
+
+#endif
« no previous file with comments | « src/gpu/batches/GrPLSPathRenderer.h ('k') | src/gpu/batches/GrTInstanceBatch.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698