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-rw-r--r--gfx/skia/skia/include/core/SkPath.h2
-rw-r--r--gfx/skia/skia/include/core/SkPathRef.h2
-rw-r--r--gfx/skia/skia/src/core/SkPath.cpp23
-rw-r--r--gfx/skia/skia/src/core/SkPathPriv.h5
-rw-r--r--gfx/skia/skia/src/core/SkScan_Path.cpp61
5 files changed, 58 insertions, 35 deletions
diff --git a/gfx/skia/skia/include/core/SkPath.h b/gfx/skia/skia/include/core/SkPath.h
index d1af4f31b..bde07c498 100644
--- a/gfx/skia/skia/include/core/SkPath.h
+++ b/gfx/skia/skia/include/core/SkPath.h
@@ -373,7 +373,7 @@ public:
@param extraPtCount The number of extra points the path should
preallocate for.
*/
- void incReserve(unsigned extraPtCount);
+ void incReserve(int extraPtCount);
/** Set the beginning of the next contour to the point (x,y).
diff --git a/gfx/skia/skia/include/core/SkPathRef.h b/gfx/skia/skia/include/core/SkPathRef.h
index 0c5cc1aed..d497e7e08 100644
--- a/gfx/skia/skia/include/core/SkPathRef.h
+++ b/gfx/skia/skia/include/core/SkPathRef.h
@@ -547,6 +547,8 @@ private:
friend class PathRefTest_Private;
friend class ForceIsRRect_Private; // unit test isRRect
+ friend class SkPath;
+ friend class SkPathPriv;
};
#endif
diff --git a/gfx/skia/skia/src/core/SkPath.cpp b/gfx/skia/skia/src/core/SkPath.cpp
index 8f93c9c18..db160d9b7 100644
--- a/gfx/skia/skia/src/core/SkPath.cpp
+++ b/gfx/skia/skia/src/core/SkPath.cpp
@@ -716,9 +716,11 @@ void SkPath::setConvexity(Convexity c) {
fFirstDirection = SkPathPriv::kUnknown_FirstDirection; \
} while (0)
-void SkPath::incReserve(U16CPU inc) {
+void SkPath::incReserve(int inc) {
SkDEBUGCODE(this->validate();)
- SkPathRef::Editor(&fPathRef, inc, inc);
+ if (inc > 0) {
+ SkPathRef::Editor(&fPathRef, inc, inc);
+ }
SkDEBUGCODE(this->validate();)
}
@@ -1691,6 +1693,13 @@ static void subdivide_cubic_to(SkPath* path, const SkPoint pts[4],
}
void SkPath::transform(const SkMatrix& matrix, SkPath* dst) const {
+ if (matrix.isIdentity()) {
+ if (dst != nullptr && dst != this) {
+ *dst = *this;
+ }
+ return;
+ }
+
SkDEBUGCODE(this->validate();)
if (dst == nullptr) {
dst = (SkPath*)this;
@@ -1738,13 +1747,20 @@ void SkPath::transform(const SkMatrix& matrix, SkPath* dst) const {
matrix.mapPoints(ed.points(), ed.pathRef()->countPoints());
dst->fFirstDirection = SkPathPriv::kUnknown_FirstDirection;
} else {
+ Convexity convexity = Convexity(fConvexity);
+
SkPathRef::CreateTransformedCopy(&dst->fPathRef, *fPathRef.get(), matrix);
if (this != dst) {
dst->fFillType = fFillType;
- dst->fConvexity = fConvexity;
dst->fIsVolatile = fIsVolatile;
}
+
+ if (matrix.isScaleTranslate() && SkPathPriv::IsAxisAligned(*this)) {
+ dst->fConvexity = convexity;
+ } else {
+ dst->fConvexity = kUnknown_Convexity;
+ }
if (SkPathPriv::kUnknown_FirstDirection == fFirstDirection) {
dst->fFirstDirection = SkPathPriv::kUnknown_FirstDirection;
@@ -1758,7 +1774,6 @@ void SkPath::transform(const SkMatrix& matrix, SkPath* dst) const {
} else if (det2x2 > 0) {
dst->fFirstDirection = fFirstDirection.load();
} else {
- dst->fConvexity = kUnknown_Convexity;
dst->fFirstDirection = SkPathPriv::kUnknown_FirstDirection;
}
}
diff --git a/gfx/skia/skia/src/core/SkPathPriv.h b/gfx/skia/skia/src/core/SkPathPriv.h
index 029cb759d..cfcdc4cac 100644
--- a/gfx/skia/skia/src/core/SkPathPriv.h
+++ b/gfx/skia/skia/src/core/SkPathPriv.h
@@ -121,6 +121,11 @@ public:
static const SkScalar* ConicWeightData(const SkPath& path) {
return path.fPathRef->conicWeights();
}
+
+ static bool IsAxisAligned(const SkPath& path) {
+ SkRect tmp;
+ return (path.fPathRef->fIsRRect | path.fPathRef->fIsOval) || path.isRect(&tmp);
+ }
};
#endif
diff --git a/gfx/skia/skia/src/core/SkScan_Path.cpp b/gfx/skia/skia/src/core/SkScan_Path.cpp
index d15d2d54b..5e00e3abe 100644
--- a/gfx/skia/skia/src/core/SkScan_Path.cpp
+++ b/gfx/skia/skia/src/core/SkScan_Path.cpp
@@ -241,9 +241,17 @@ static bool update_edge(SkEdge* edge, int last_y) {
return false;
}
-static void walk_convex_edges(SkEdge* prevHead, SkPath::FillType,
- SkBlitter* blitter, int start_y, int stop_y,
- PrePostProc proc) {
+// Unexpected conditions for which we need to return
+#define ASSERT_RETURN(cond) \
+ do { \
+ if (!(cond)) { \
+ SkASSERT(false); \
+ return; \
+ } \
+ } while (0)
+
+// Needs Y to only change once (looser than convex in X)
+static void walk_simple_edges(SkEdge* prevHead, SkBlitter* blitter, int start_y, int stop_y) {
validate_sort(prevHead->fNext);
SkEdge* leftE = prevHead->fNext;
@@ -258,30 +266,28 @@ static void walk_convex_edges(SkEdge* prevHead, SkPath::FillType,
// not lining up, so we take the max.
int local_top = SkMax32(leftE->fFirstY, riteE->fFirstY);
#endif
- SkASSERT(local_top >= start_y);
+ ASSERT_RETURN(local_top >= start_y);
- for (;;) {
+ while (local_top < stop_y) {
SkASSERT(leftE->fFirstY <= stop_y);
SkASSERT(riteE->fFirstY <= stop_y);
- if (leftE->fX > riteE->fX || (leftE->fX == riteE->fX &&
- leftE->fDX > riteE->fDX)) {
- SkTSwap(leftE, riteE);
- }
-
int local_bot = SkMin32(leftE->fLastY, riteE->fLastY);
local_bot = SkMin32(local_bot, stop_y - 1);
- SkASSERT(local_top <= local_bot);
+ ASSERT_RETURN(local_top <= local_bot);
SkFixed left = leftE->fX;
SkFixed dLeft = leftE->fDX;
SkFixed rite = riteE->fX;
SkFixed dRite = riteE->fDX;
int count = local_bot - local_top;
- SkASSERT(count >= 0);
+ ASSERT_RETURN(count >= 0);
if (0 == (dLeft | dRite)) {
int L = SkFixedRoundToInt(left);
int R = SkFixedRoundToInt(rite);
+ if (L > R) {
+ SkTSwap(L, R);
+ }
if (L < R) {
count += 1;
blitter->blitRect(L, local_top, R - L, count);
@@ -291,6 +297,9 @@ static void walk_convex_edges(SkEdge* prevHead, SkPath::FillType,
do {
int L = SkFixedRoundToInt(left);
int R = SkFixedRoundToInt(rite);
+ if (L > R) {
+ SkTSwap(L, R);
+ }
if (L < R) {
blitter->blitH(L, local_top, R - L);
}
@@ -303,28 +312,21 @@ static void walk_convex_edges(SkEdge* prevHead, SkPath::FillType,
leftE->fX = left;
riteE->fX = rite;
- if (update_edge(leftE, local_bot)) {
+ if (!update_edge(leftE, local_bot)) {
if (currE->fFirstY >= stop_y) {
- break;
+ return; // we're done
}
leftE = currE;
currE = currE->fNext;
+ ASSERT_RETURN(leftE->fFirstY == local_top);
}
- if (update_edge(riteE, local_bot)) {
+ if (!update_edge(riteE, local_bot)) {
if (currE->fFirstY >= stop_y) {
- break;
+ return; // we're done
}
riteE = currE;
currE = currE->fNext;
- }
-
- SkASSERT(leftE);
- SkASSERT(riteE);
-
- // check our bottom clip
- SkASSERT(local_top == local_bot + 1);
- if (local_top >= stop_y) {
- break;
+ ASSERT_RETURN(riteE->fFirstY == local_top);
}
}
}
@@ -500,9 +502,9 @@ void sk_fill_path(const SkPath& path, const SkIRect* clipRect, SkBlitter* blitte
proc = PrePostInverseBlitterProc;
}
- if (path.isConvex() && (nullptr == proc)) {
- SkASSERT(count >= 2); // convex walker does not handle missing right edges
- walk_convex_edges(&headEdge, path.getFillType(), blitter, start_y, stop_y, nullptr);
+ // count >= 2 is required as the convex walker does not handle missing right edges
+ if (path.isConvex() && (nullptr == proc) && count >= 2) {
+ walk_simple_edges(&headEdge, blitter, start_y, stop_y);
} else {
int rightEdge;
if (clipRect) {
@@ -766,8 +768,7 @@ static void sk_fill_triangle(const SkPoint pts[], const SkIRect* clipRect,
if (clipRect && start_y < clipRect->fTop) {
start_y = clipRect->fTop;
}
- walk_convex_edges(&headEdge, SkPath::kEvenOdd_FillType, blitter, start_y, stop_y, nullptr);
-// walk_edges(&headEdge, SkPath::kEvenOdd_FillType, blitter, start_y, stop_y, nullptr);
+ walk_simple_edges(&headEdge, blitter, start_y, stop_y);
}
void SkScan::FillTriangle(const SkPoint pts[], const SkRasterClip& clip,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 21:10:36 +0000