void GrGpuGLShaders::flushRadial2(int s) { const int &uni = fProgramData->fUniLocations.fStages[s].fRadial2Uni; const GrSamplerState& sampler = this->getDrawState().getSampler(s); if (GrGLProgram::kUnusedUniform != uni && (fProgramData->fRadial2CenterX1[s] != sampler.getRadial2CenterX1() || fProgramData->fRadial2Radius0[s] != sampler.getRadial2Radius0() || fProgramData->fRadial2PosRoot[s] != sampler.isRadial2PosRoot())) { GrScalar centerX1 = sampler.getRadial2CenterX1(); GrScalar radius0 = sampler.getRadial2Radius0(); GrScalar a = GrMul(centerX1, centerX1) - GR_Scalar1; // when were in the degenerate (linear) case the second // value will be INF but the program doesn't read it. (We // use the same 6 uniforms even though we don't need them // all in the linear case just to keep the code complexity // down). float values[6] = { GrScalarToFloat(a), 1 / (2.f * GrScalarToFloat(a)), GrScalarToFloat(centerX1), GrScalarToFloat(radius0), GrScalarToFloat(GrMul(radius0, radius0)), sampler.isRadial2PosRoot() ? 1.f : -1.f }; GL_CALL(Uniform1fv(uni, 6, values)); fProgramData->fRadial2CenterX1[s] = sampler.getRadial2CenterX1(); fProgramData->fRadial2Radius0[s] = sampler.getRadial2Radius0(); fProgramData->fRadial2PosRoot[s] = sampler.isRadial2PosRoot(); } }
void GrGpuGLShaders::flushRadial2(int stage) { const GrSamplerState& sampler = fCurrDrawState.fSamplerStates[stage]; GrScalar centerX1 = sampler.getRadial2CenterX1(); GrScalar radius0 = sampler.getRadial2Radius0(); GrScalar a = GrMul(centerX1, centerX1) - GR_Scalar1; float unis[6] = { GrScalarToFloat(a), 1 / (2.f * unis[0]), GrScalarToFloat(centerX1), GrScalarToFloat(radius0), GrScalarToFloat(GrMul(radius0, radius0)), sampler.isRadial2PosRoot() ? 1.f : -1.f }; GR_GL(Uniform1fv(fProgramData->fUniLocations.fStages[stage].fRadial2Uni, 6, unis)); }
bool GrDefaultPathRenderer::createGeom(GrScalar srcSpaceTol, GrDrawTarget::StageBitfield stages) { { SK_TRACE_EVENT0("GrDefaultPathRenderer::createGeom"); GrScalar srcSpaceTolSqd = GrMul(srcSpaceTol, srcSpaceTol); int maxPts = GrPathUtils::worstCasePointCount(*fPath, &fSubpathCount, srcSpaceTol); if (maxPts <= 0) { return false; } if (maxPts > ((int)SK_MaxU16 + 1)) { GrPrintf("Path not rendered, too many verts (%d)\n", maxPts); return false; } GrVertexLayout layout = 0; for (int s = 0; s < GrDrawTarget::kNumStages; ++s) { if ((1 << s) & stages) { layout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s); } } fUseIndexedDraw = fSubpathCount > 1; int maxIdxs = 0; if (kHairLine_PathFill == fFill) { if (fUseIndexedDraw) { maxIdxs = 2 * maxPts; fPrimitiveType = kLines_PrimitiveType; } else { fPrimitiveType = kLineStrip_PrimitiveType; } } else { if (fUseIndexedDraw) { maxIdxs = 3 * maxPts; fPrimitiveType = kTriangles_PrimitiveType; } else { fPrimitiveType = kTriangleFan_PrimitiveType; } } GrPoint* base; if (!fTarget->reserveVertexSpace(layout, maxPts, (void**)&base)) { return false; } GrAssert(NULL != base); GrPoint* vert = base; uint16_t* idxBase = NULL; uint16_t* idx = NULL; uint16_t subpathIdxStart = 0; if (fUseIndexedDraw) { if (!fTarget->reserveIndexSpace(maxIdxs, (void**)&idxBase)) { fTarget->resetVertexSource(); return false; } GrAssert(NULL != idxBase); idx = idxBase; } fSubpathVertCount.reset(fSubpathCount); GrPoint pts[4]; bool first = true; int subpath = 0; SkPath::Iter iter(*fPath, false); for (;;) { GrPathCmd cmd = (GrPathCmd)iter.next(pts); switch (cmd) { case kMove_PathCmd: if (!first) { uint16_t currIdx = (uint16_t) (vert - base); fSubpathVertCount[subpath] = currIdx - subpathIdxStart; subpathIdxStart = currIdx; ++subpath; } *vert = pts[0]; vert++; break; case kLine_PathCmd: if (fUseIndexedDraw) { uint16_t prevIdx = (uint16_t)(vert - base) - 1; append_countour_edge_indices(fFill, subpathIdxStart, prevIdx, &idx); } *(vert++) = pts[1]; break; case kQuadratic_PathCmd: { // first pt of quad is the pt we ended on in previous step uint16_t firstQPtIdx = (uint16_t)(vert - base) - 1; uint16_t numPts = (uint16_t) GrPathUtils::generateQuadraticPoints( pts[0], pts[1], pts[2], srcSpaceTolSqd, &vert, GrPathUtils::quadraticPointCount(pts, srcSpaceTol)); if (fUseIndexedDraw) { for (uint16_t i = 0; i < numPts; ++i) { append_countour_edge_indices(fFill, subpathIdxStart, firstQPtIdx + i, &idx); } } break; } case kCubic_PathCmd: { // first pt of cubic is the pt we ended on in previous step uint16_t firstCPtIdx = (uint16_t)(vert - base) - 1; uint16_t numPts = (uint16_t) GrPathUtils::generateCubicPoints( pts[0], pts[1], pts[2], pts[3], srcSpaceTolSqd, &vert, GrPathUtils::cubicPointCount(pts, srcSpaceTol)); if (fUseIndexedDraw) { for (uint16_t i = 0; i < numPts; ++i) { append_countour_edge_indices(fFill, subpathIdxStart, firstCPtIdx + i, &idx); } } break; } case kClose_PathCmd: break; case kEnd_PathCmd: uint16_t currIdx = (uint16_t) (vert - base); fSubpathVertCount[subpath] = currIdx - subpathIdxStart; goto FINISHED; } first = false; } FINISHED: GrAssert((vert - base) <= maxPts); GrAssert((idx - idxBase) <= maxIdxs); fVertexCnt = vert - base; fIndexCnt = idx - idxBase; if (fTranslate.fX || fTranslate.fY) { int count = vert - base; for (int i = 0; i < count; i++) { base[i].offset(fTranslate.fX, fTranslate.fY); } } } // set these at the end so if we failed on first drawPath inside a // setPath/clearPath block we won't assume geom was created on a subsequent // drawPath in the same block. fPreviousSrcTol = srcSpaceTol; fPreviousStages = stages; return true; }
bool GrTesselatedPathRenderer::onDrawPath(const SkPath& path, GrPathFill fill, const GrVec* translate, GrDrawTarget* target, GrDrawState::StageMask stageMask, bool antiAlias) { GrDrawTarget::AutoStateRestore asr(target); GrDrawState* drawState = target->drawState(); // face culling doesn't make sense here GrAssert(GrDrawState::kBoth_DrawFace == drawState->getDrawFace()); GrMatrix viewM = drawState->getViewMatrix(); GrScalar tol = GR_Scalar1; tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds()); GrScalar tolSqd = GrMul(tol, tol); int subpathCnt; int maxPts = GrPathUtils::worstCasePointCount(path, &subpathCnt, tol); GrVertexLayout layout = 0; for (int s = 0; s < GrDrawState::kNumStages; ++s) { if ((1 << s) & stageMask) { layout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s); } } bool inverted = GrIsFillInverted(fill); if (inverted) { maxPts += 4; subpathCnt++; } if (maxPts > USHRT_MAX) { return false; } SkAutoSTMalloc<8, GrPoint> baseMem(maxPts); GrPoint* base = baseMem; GrPoint* vert = base; GrPoint* subpathBase = base; SkAutoSTMalloc<8, uint16_t> subpathVertCount(subpathCnt); GrPoint pts[4]; SkPath::Iter iter(path, false); bool first = true; int subpath = 0; for (;;) { switch (iter.next(pts)) { case kMove_PathCmd: if (!first) { subpathVertCount[subpath] = vert-subpathBase; subpathBase = vert; ++subpath; } *vert = pts[0]; vert++; break; case kLine_PathCmd: *vert = pts[1]; vert++; break; case kQuadratic_PathCmd: { GrPathUtils::generateQuadraticPoints(pts[0], pts[1], pts[2], tolSqd, &vert, GrPathUtils::quadraticPointCount(pts, tol)); break; } case kCubic_PathCmd: { GrPathUtils::generateCubicPoints(pts[0], pts[1], pts[2], pts[3], tolSqd, &vert, GrPathUtils::cubicPointCount(pts, tol)); break; } case kClose_PathCmd: break; case kEnd_PathCmd: subpathVertCount[subpath] = vert-subpathBase; ++subpath; // this could be only in debug goto FINISHED; } first = false; } FINISHED: if (NULL != translate && 0 != translate->fX && 0 != translate->fY) { for (int i = 0; i < vert - base; i++) { base[i].offset(translate->fX, translate->fY); } } if (inverted) { GrRect bounds; GrAssert(NULL != drawState->getRenderTarget()); bounds.setLTRB(0, 0, GrIntToScalar(drawState->getRenderTarget()->width()), GrIntToScalar(drawState->getRenderTarget()->height())); GrMatrix vmi; if (drawState->getViewInverse(&vmi)) { vmi.mapRect(&bounds); } *vert++ = GrPoint::Make(bounds.fLeft, bounds.fTop); *vert++ = GrPoint::Make(bounds.fLeft, bounds.fBottom); *vert++ = GrPoint::Make(bounds.fRight, bounds.fBottom); *vert++ = GrPoint::Make(bounds.fRight, bounds.fTop); subpathVertCount[subpath++] = 4; } GrAssert(subpath == subpathCnt); GrAssert((vert - base) <= maxPts); size_t count = vert - base; if (count < 3) { return true; } if (subpathCnt == 1 && !inverted && path.isConvex()) { if (antiAlias) { GrEdgeArray edges; GrMatrix inverse, matrix = drawState->getViewMatrix(); drawState->getViewInverse(&inverse); count = computeEdgesAndIntersect(matrix, inverse, base, count, &edges, 0.0f); size_t maxEdges = target->getMaxEdges(); if (count == 0) { return true; } if (count <= maxEdges) { // All edges fit; upload all edges and draw all verts as a fan target->setVertexSourceToArray(layout, base, count); drawState->setEdgeAAData(&edges[0], count); target->drawNonIndexed(kTriangleFan_PrimitiveType, 0, count); } else { // Upload "maxEdges" edges and verts at a time, and draw as // separate fans for (size_t i = 0; i < count - 2; i += maxEdges - 2) { edges[i] = edges[0]; base[i] = base[0]; int size = GR_CT_MIN(count - i, maxEdges); target->setVertexSourceToArray(layout, &base[i], size); drawState->setEdgeAAData(&edges[i], size); target->drawNonIndexed(kTriangleFan_PrimitiveType, 0, size); } } drawState->setEdgeAAData(NULL, 0); } else { target->setVertexSourceToArray(layout, base, count); target->drawNonIndexed(kTriangleFan_PrimitiveType, 0, count); } return true; } if (antiAlias) { // Run the tesselator once to get the boundaries. GrBoundaryTess btess(count, fill_type_to_glu_winding_rule(fill)); btess.addVertices(base, subpathVertCount, subpathCnt); GrMatrix inverse, matrix = drawState->getViewMatrix(); if (!drawState->getViewInverse(&inverse)) { return false; } if (btess.vertices().count() > USHRT_MAX) { return false; } // Inflate the boundary, and run the tesselator again to generate // interior polys. const GrPointArray& contourPoints = btess.contourPoints(); const GrIndexArray& contours = btess.contours(); GrEdgePolygonTess ptess(contourPoints.count(), GLU_TESS_WINDING_NONZERO, matrix); size_t i = 0; Sk_gluTessBeginPolygon(ptess.tess(), &ptess); for (int contour = 0; contour < contours.count(); ++contour) { int count = contours[contour]; GrEdgeArray edges; int newCount = computeEdgesAndIntersect(matrix, inverse, &btess.contourPoints()[i], count, &edges, 1.0f); Sk_gluTessBeginContour(ptess.tess()); for (int j = 0; j < newCount; j++) { ptess.addVertex(contourPoints[i + j], ptess.vertices().count()); } i += count; Sk_gluTessEndContour(ptess.tess()); } Sk_gluTessEndPolygon(ptess.tess()); if (ptess.vertices().count() > USHRT_MAX) { return false; } // Draw the resulting polys and upload their edge data. drawState->enableState(GrDrawState::kEdgeAAConcave_StateBit); const GrPointArray& vertices = ptess.vertices(); const GrIndexArray& indices = ptess.indices(); const GrDrawState::Edge* edges = ptess.edges(); GR_DEBUGASSERT(indices.count() % 3 == 0); for (int i = 0; i < indices.count(); i += 3) { GrPoint tri_verts[3]; int index0 = indices[i]; int index1 = indices[i + 1]; int index2 = indices[i + 2]; tri_verts[0] = vertices[index0]; tri_verts[1] = vertices[index1]; tri_verts[2] = vertices[index2]; GrDrawState::Edge tri_edges[6]; int t = 0; const GrDrawState::Edge& edge0 = edges[index0 * 2]; const GrDrawState::Edge& edge1 = edges[index0 * 2 + 1]; const GrDrawState::Edge& edge2 = edges[index1 * 2]; const GrDrawState::Edge& edge3 = edges[index1 * 2 + 1]; const GrDrawState::Edge& edge4 = edges[index2 * 2]; const GrDrawState::Edge& edge5 = edges[index2 * 2 + 1]; if (validEdge(edge0) && validEdge(edge1)) { tri_edges[t++] = edge0; tri_edges[t++] = edge1; } if (validEdge(edge2) && validEdge(edge3)) { tri_edges[t++] = edge2; tri_edges[t++] = edge3; } if (validEdge(edge4) && validEdge(edge5)) { tri_edges[t++] = edge4; tri_edges[t++] = edge5; } drawState->setEdgeAAData(&tri_edges[0], t); target->setVertexSourceToArray(layout, &tri_verts[0], 3); target->drawNonIndexed(kTriangles_PrimitiveType, 0, 3); } drawState->setEdgeAAData(NULL, 0); drawState->disableState(GrDrawState::kEdgeAAConcave_StateBit); return true; } GrPolygonTess ptess(count, fill_type_to_glu_winding_rule(fill)); ptess.addVertices(base, subpathVertCount, subpathCnt); const GrPointArray& vertices = ptess.vertices(); const GrIndexArray& indices = ptess.indices(); if (indices.count() > 0) { target->setVertexSourceToArray(layout, vertices.begin(), vertices.count()); target->setIndexSourceToArray(indices.begin(), indices.count()); target->drawIndexed(kTriangles_PrimitiveType, 0, 0, vertices.count(), indices.count()); } return true; }
void GrDefaultPathRenderer::onDrawPath(GrDrawTarget* target, GrDrawTarget::StageBitfield stages, const GrPath& path, GrPathFill fill, const GrPoint* translate, bool stencilOnly) { GrDrawTarget::AutoStateRestore asr(target); bool colorWritesWereDisabled = target->isColorWriteDisabled(); // face culling doesn't make sense here GrAssert(GrDrawTarget::kBoth_DrawFace == target->getDrawFace()); GrMatrix viewM = target->getViewMatrix(); // In order to tesselate the path we get a bound on how much the matrix can // stretch when mapping to screen coordinates. GrScalar stretch = viewM.getMaxStretch(); bool useStretch = stretch > 0; GrScalar tol = fCurveTolerance; if (!useStretch) { // TODO: deal with perspective in some better way. tol /= 10; } else { tol = GrScalarDiv(tol, stretch); } GrScalar tolSqd = GrMul(tol, tol); int subpathCnt; int maxPts = GrPathUtils::worstCasePointCount(path, &subpathCnt, tol); GrVertexLayout layout = 0; for (int s = 0; s < GrDrawTarget::kNumStages; ++s) { if ((1 << s) & stages) { layout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s); } } // add 4 to hold the bounding rect GrDrawTarget::AutoReleaseGeometry arg(target, layout, maxPts + 4, 0); GrPoint* base = (GrPoint*) arg.vertices(); GrPoint* vert = base; GrPoint* subpathBase = base; GrAutoSTMalloc<8, uint16_t> subpathVertCount(subpathCnt); // TODO: use primitve restart if available rather than multiple draws GrPrimitiveType type; int passCount = 0; const GrStencilSettings* passes[3]; GrDrawTarget::DrawFace drawFace[3]; bool reverse = false; bool lastPassIsBounds; if (kHairLine_PathFill == fill) { type = kLineStrip_PrimitiveType; passCount = 1; if (stencilOnly) { passes[0] = &gDirectToStencil; } else { passes[0] = NULL; } lastPassIsBounds = false; drawFace[0] = GrDrawTarget::kBoth_DrawFace; } else { type = kTriangleFan_PrimitiveType; if (single_pass_path(*target, path, fill)) { passCount = 1; if (stencilOnly) { passes[0] = &gDirectToStencil; } else { passes[0] = NULL; } drawFace[0] = GrDrawTarget::kBoth_DrawFace; lastPassIsBounds = false; } else { switch (fill) { case kInverseEvenOdd_PathFill: reverse = true; // fallthrough case kEvenOdd_PathFill: passes[0] = &gEOStencilPass; if (stencilOnly) { passCount = 1; lastPassIsBounds = false; } else { passCount = 2; lastPassIsBounds = true; if (reverse) { passes[1] = &gInvEOColorPass; } else { passes[1] = &gEOColorPass; } } drawFace[0] = drawFace[1] = GrDrawTarget::kBoth_DrawFace; break; case kInverseWinding_PathFill: reverse = true; // fallthrough case kWinding_PathFill: if (fSeparateStencil) { if (fStencilWrapOps) { passes[0] = &gWindStencilSeparateWithWrap; } else { passes[0] = &gWindStencilSeparateNoWrap; } passCount = 2; drawFace[0] = GrDrawTarget::kBoth_DrawFace; } else { if (fStencilWrapOps) { passes[0] = &gWindSingleStencilWithWrapInc; passes[1] = &gWindSingleStencilWithWrapDec; } else { passes[0] = &gWindSingleStencilNoWrapInc; passes[1] = &gWindSingleStencilNoWrapDec; } // which is cw and which is ccw is arbitrary. drawFace[0] = GrDrawTarget::kCW_DrawFace; drawFace[1] = GrDrawTarget::kCCW_DrawFace; passCount = 3; } if (stencilOnly) { lastPassIsBounds = false; --passCount; } else { lastPassIsBounds = true; drawFace[passCount-1] = GrDrawTarget::kBoth_DrawFace; if (reverse) { passes[passCount-1] = &gInvWindColorPass; } else { passes[passCount-1] = &gWindColorPass; } } break; default: GrAssert(!"Unknown path fill!"); return; } } } GrPoint pts[4]; bool first = true; int subpath = 0; SkPath::Iter iter(path, false); for (;;) { GrPathCmd cmd = (GrPathCmd)iter.next(pts); switch (cmd) { case kMove_PathCmd: if (!first) { subpathVertCount[subpath] = vert-subpathBase; subpathBase = vert; ++subpath; } *vert = pts[0]; vert++; break; case kLine_PathCmd: *vert = pts[1]; vert++; break; case kQuadratic_PathCmd: { GrPathUtils::generateQuadraticPoints(pts[0], pts[1], pts[2], tolSqd, &vert, GrPathUtils::quadraticPointCount(pts, tol)); break; } case kCubic_PathCmd: { GrPathUtils::generateCubicPoints(pts[0], pts[1], pts[2], pts[3], tolSqd, &vert, GrPathUtils::cubicPointCount(pts, tol)); break; } case kClose_PathCmd: break; case kEnd_PathCmd: subpathVertCount[subpath] = vert-subpathBase; ++subpath; // this could be only in debug goto FINISHED; } first = false; } FINISHED: GrAssert(subpath == subpathCnt); GrAssert((vert - base) <= maxPts); if (translate) { int count = vert - base; for (int i = 0; i < count; i++) { base[i].offset(translate->fX, translate->fY); } } // if we're stenciling we will follow with a pass that draws // a bounding rect to set the color. We're stenciling when // passCount > 1. const int& boundVertexStart = maxPts; GrPoint* boundsVerts = base + boundVertexStart; if (lastPassIsBounds) { GrRect bounds; if (reverse) { GrAssert(NULL != target->getRenderTarget()); // draw over the whole world. bounds.setLTRB(0, 0, GrIntToScalar(target->getRenderTarget()->width()), GrIntToScalar(target->getRenderTarget()->height())); GrMatrix vmi; if (target->getViewInverse(&vmi)) { vmi.mapRect(&bounds); } } else { bounds.setBounds((GrPoint*)base, vert - base); } boundsVerts[0].setRectFan(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom); } for (int p = 0; p < passCount; ++p) { target->setDrawFace(drawFace[p]); if (NULL != passes[p]) { target->setStencil(*passes[p]); } if (lastPassIsBounds && (p == passCount-1)) { if (!colorWritesWereDisabled) { target->disableState(GrDrawTarget::kNoColorWrites_StateBit); } target->drawNonIndexed(kTriangleFan_PrimitiveType, boundVertexStart, 4); } else { if (passCount > 1) { target->enableState(GrDrawTarget::kNoColorWrites_StateBit); } int baseVertex = 0; for (int sp = 0; sp < subpathCnt; ++sp) { target->drawNonIndexed(type, baseVertex, subpathVertCount[sp]); baseVertex += subpathVertCount[sp]; } } } }
bool GrDefaultPathRenderer::createGeom(const SkPath& path, GrPathFill fill, GrScalar srcSpaceTol, GrDrawTarget* target, GrPrimitiveType* primType, int* vertexCnt, int* indexCnt, GrDrawTarget::AutoReleaseGeometry* arg) { { SK_TRACE_EVENT0("GrDefaultPathRenderer::createGeom"); GrScalar srcSpaceTolSqd = GrMul(srcSpaceTol, srcSpaceTol); int contourCnt; int maxPts = GrPathUtils::worstCasePointCount(path, &contourCnt, srcSpaceTol); if (maxPts <= 0) { return false; } if (maxPts > ((int)SK_MaxU16 + 1)) { GrPrintf("Path not rendered, too many verts (%d)\n", maxPts); return false; } GrVertexLayout layout = 0; bool indexed = contourCnt > 1; int maxIdxs = 0; if (kHairLine_GrPathFill == fill) { if (indexed) { maxIdxs = 2 * maxPts; *primType = kLines_GrPrimitiveType; } else { *primType = kLineStrip_GrPrimitiveType; } } else { if (indexed) { maxIdxs = 3 * maxPts; *primType = kTriangles_GrPrimitiveType; } else { *primType = kTriangleFan_GrPrimitiveType; } } if (!arg->set(target, layout, maxPts, maxIdxs)) { return false; } uint16_t* idxBase = reinterpret_cast<uint16_t*>(arg->indices());; uint16_t* idx = idxBase; uint16_t subpathIdxStart = 0; GrPoint* base = reinterpret_cast<GrPoint*>(arg->vertices()); GrAssert(NULL != base); GrPoint* vert = base; GrPoint pts[4]; bool first = true; int subpath = 0; SkPath::Iter iter(path, false); for (;;) { GrPathCmd cmd = (GrPathCmd)iter.next(pts); switch (cmd) { case kMove_PathCmd: if (!first) { uint16_t currIdx = (uint16_t) (vert - base); subpathIdxStart = currIdx; ++subpath; } *vert = pts[0]; vert++; break; case kLine_PathCmd: if (indexed) { uint16_t prevIdx = (uint16_t)(vert - base) - 1; append_countour_edge_indices(fill, subpathIdxStart, prevIdx, &idx); } *(vert++) = pts[1]; break; case kQuadratic_PathCmd: { // first pt of quad is the pt we ended on in previous step uint16_t firstQPtIdx = (uint16_t)(vert - base) - 1; uint16_t numPts = (uint16_t) GrPathUtils::generateQuadraticPoints( pts[0], pts[1], pts[2], srcSpaceTolSqd, &vert, GrPathUtils::quadraticPointCount(pts, srcSpaceTol)); if (indexed) { for (uint16_t i = 0; i < numPts; ++i) { append_countour_edge_indices(fill, subpathIdxStart, firstQPtIdx + i, &idx); } } break; } case kCubic_PathCmd: { // first pt of cubic is the pt we ended on in previous step uint16_t firstCPtIdx = (uint16_t)(vert - base) - 1; uint16_t numPts = (uint16_t) GrPathUtils::generateCubicPoints( pts[0], pts[1], pts[2], pts[3], srcSpaceTolSqd, &vert, GrPathUtils::cubicPointCount(pts, srcSpaceTol)); if (indexed) { for (uint16_t i = 0; i < numPts; ++i) { append_countour_edge_indices(fill, subpathIdxStart, firstCPtIdx + i, &idx); } } break; } case kClose_PathCmd: break; case kEnd_PathCmd: // uint16_t currIdx = (uint16_t) (vert - base); goto FINISHED; } first = false; } FINISHED: GrAssert((vert - base) <= maxPts); GrAssert((idx - idxBase) <= maxIdxs); *vertexCnt = vert - base; *indexCnt = idx - idxBase; } return true; }