Path rendering
Change-Id: I5379a676c9ec6a9b25f21bc1e050053f27e411dd
diff --git a/libs/rs/rsPath.h b/libs/rs/rsPath.h
new file mode 100644
index 0000000..dac795e
--- /dev/null
+++ b/libs/rs/rsPath.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_RS_PATH_H
+#define ANDROID_RS_PATH_H
+
+
+#include "RenderScript.h"
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+
+class Path : public ObjectBase {
+public:
+ struct {
+ mutable void * drv;
+
+ struct State {
+ RsPathPrimitive primitive;
+ float quality;
+ };
+ State state;
+ } mHal;
+
+ Path(Context *);
+ Path(Context *, uint32_t vertexBuffersCount, uint32_t primitivesCount);
+ Path(Context *, RsPathPrimitive pp, bool isStatic, Allocation *vtx, Allocation *loop, float q);
+
+ ~Path();
+
+ void render(Context *);
+ virtual void serialize(OStream *stream) const;
+ virtual RsA3DClassID getClassId() const;
+
+private:
+
+
+ typedef struct {
+ float x[4];
+ float y[4];
+ } BezierSegment_t;
+
+ bool subdivideCheck(const BezierSegment_t *s, float u1, float u2);
+
+ void rasterize(const BezierSegment_t *s, uint32_t num, Allocation *alloc);
+
+
+};
+
+}
+}
+#endif //ANDROID_RS_PATH_H
+
+
+