add uniqueID
BUG=skia:6366
Change-Id: Ie3215a392040be645524a2294d824d953ba3a1b6
Reviewed-on: https://skia-review.googlesource.com/9703
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/include/core/SkVertices.h b/include/core/SkVertices.h
index 5dbdefa..af4e3bc 100644
--- a/include/core/SkVertices.h
+++ b/include/core/SkVertices.h
@@ -74,6 +74,7 @@
SkCanvas::VertexMode mode() const { return fMode; }
+ uint32_t uniqueID() const { return fUniqueID; }
int vertexCount() const { return fVertexCnt; }
bool hasColors() const { return SkToBool(fColors); }
bool hasTexCoords() const { return SkToBool(fTexs); }
@@ -92,7 +93,6 @@
const SkRect& bounds() const { return fBounds; }
-
static sk_sp<SkVertices> Decode(const void*, size_t);
sk_sp<SkData> encode() const;
@@ -104,6 +104,7 @@
const SkColor* fColors;
const uint16_t* fIndices;
SkRect fBounds;
+ uint32_t fUniqueID;
int fVertexCnt;
int fIndexCnt;
SkCanvas::VertexMode fMode;
diff --git a/src/core/SkVertices.cpp b/src/core/SkVertices.cpp
index f2a63b9..936d70d 100644
--- a/src/core/SkVertices.cpp
+++ b/src/core/SkVertices.cpp
@@ -5,11 +5,21 @@
* found in the LICENSE file.
*/
+#include "SkAtomics.h"
#include "SkVertices.h"
#include "SkData.h"
#include "SkReader32.h"
#include "SkWriter32.h"
+static int32_t gNextID = 1;
+static int32_t next_id() {
+ int32_t id;
+ do {
+ id = sk_atomic_inc(&gNextID);
+ } while (id == SK_InvalidGenID);
+ return id;
+}
+
static size_t compute_arrays_size(int vertexCount, int indexCount, uint32_t builderFlags) {
if (vertexCount < 0 || indexCount < 0) {
return 0; // signal error
@@ -79,6 +89,7 @@
obj->fColors = fColors;
obj->fIndices = fIndices;
obj->fBounds.set(fPositions, fVertexCnt);
+ obj->fUniqueID = next_id();
obj->fVertexCnt = fVertexCnt;
obj->fIndexCnt = fIndexCnt;
obj->fMode = fMode;
diff --git a/tests/VerticesTest.cpp b/tests/VerticesTest.cpp
index 9c433ba..8cf5514 100644
--- a/tests/VerticesTest.cpp
+++ b/tests/VerticesTest.cpp
@@ -79,6 +79,9 @@
sk_sp<SkData> data = v0->encode();
sk_sp<SkVertices> v1 = SkVertices::Decode(data->data(), data->size());
+ REPORTER_ASSERT(reporter, v0->uniqueID() != 0);
+ REPORTER_ASSERT(reporter, v1->uniqueID() != 0);
+ REPORTER_ASSERT(reporter, v0->uniqueID() != v1->uniqueID());
REPORTER_ASSERT(reporter, equal(v0.get(), v1.get()));
}
}