diff options
Diffstat (limited to 'src/gpu/GrDefaultPathRenderer.cpp')
| -rw-r--r-- | src/gpu/GrDefaultPathRenderer.cpp | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/src/gpu/GrDefaultPathRenderer.cpp b/src/gpu/GrDefaultPathRenderer.cpp index 79e9f154ae..af0404ae0e 100644 --- a/src/gpu/GrDefaultPathRenderer.cpp +++ b/src/gpu/GrDefaultPathRenderer.cpp @@ -11,12 +11,12 @@ #include "GrDefaultGeoProcFactory.h" #include "GrDrawState.h" #include "GrPathUtils.h" +#include "SkGeometry.h" #include "SkString.h" #include "SkStrokeRec.h" #include "SkTLazy.h" #include "SkTraceEvent.h" - GrDefaultPathRenderer::GrDefaultPathRenderer(bool separateStencilSupport, bool stencilWrapOpsSupport) : fSeparateStencil(separateStencilSupport) @@ -189,6 +189,24 @@ static inline void append_countour_edge_indices(bool hairLine, *((*indices)++) = edgeV0Idx + 1; } +static inline void add_quad(SkPoint** vert, const SkPoint* base, const SkPoint pts[], + SkScalar srcSpaceTolSqd, SkScalar srcSpaceTol, bool indexed, + bool isHairline, uint16_t subpathIdxStart, uint16_t** idx) { + // 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(isHairline, subpathIdxStart, + firstQPtIdx + i, idx); + } + } +} + bool GrDefaultPathRenderer::createGeom(GrDrawTarget* target, GrDrawState* drawState, GrPrimitiveType* primType, @@ -256,9 +274,6 @@ bool GrDefaultPathRenderer::createGeom(GrDrawTarget* target, for (;;) { SkPath::Verb verb = iter.next(pts); switch (verb) { - case SkPath::kConic_Verb: - SkASSERT(0); - break; case SkPath::kMove_Verb: if (!first) { uint16_t currIdx = (uint16_t) (vert - base); @@ -276,22 +291,22 @@ bool GrDefaultPathRenderer::createGeom(GrDrawTarget* target, } *(vert++) = pts[1]; break; - case SkPath::kQuad_Verb: { - // 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(isHairline, subpathIdxStart, - firstQPtIdx + i, &idx); - } + case SkPath::kConic_Verb: { + SkScalar weight = iter.conicWeight(); + SkAutoConicToQuads converter; + // Converting in src-space, hance the finer tolerance (0.25) + // TODO: find a way to do this in dev-space so the tolerance means something + const SkPoint* quadPts = converter.computeQuads(pts, weight, 0.25f); + for (int i = 0; i < converter.countQuads(); ++i) { + add_quad(&vert, base, quadPts + i*2, srcSpaceTolSqd, srcSpaceTol, indexed, + isHairline, subpathIdxStart, &idx); } break; } + case SkPath::kQuad_Verb: + add_quad(&vert, base, pts, srcSpaceTolSqd, srcSpaceTol, indexed, + isHairline, subpathIdxStart, &idx); + break; case SkPath::kCubic_Verb: { // first pt of cubic is the pt we ended on in previous step uint16_t firstCPtIdx = (uint16_t)(vert - base) - 1; @@ -530,9 +545,9 @@ bool GrDefaultPathRenderer::canDrawPath(const GrDrawTarget* target, const SkStrokeRec& stroke, bool antiAlias) const { // this class can draw any path with any fill but doesn't do any anti-aliasing. - - return !antiAlias && !(SkPath::kConic_SegmentMask & path.getSegmentMasks()) && - (stroke.isFillStyle() || IsStrokeHairlineOrEquivalent(stroke, viewMatrix, NULL)); + return !antiAlias && (stroke.isFillStyle() || IsStrokeHairlineOrEquivalent(stroke, + viewMatrix, + NULL)); } bool GrDefaultPathRenderer::onDrawPath(GrDrawTarget* target, |