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/*
* 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 "rsObjectBase.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(Context *rsc, 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
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