1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_RS_PATH_H 18 #define ANDROID_RS_PATH_H 19 20 21 #include "rsObjectBase.h" 22 23 // --------------------------------------------------------------------------- 24 namespace android { 25 namespace renderscript { 26 27 class Path : public ObjectBase { 28 public: 29 struct { 30 mutable void * drv; 31 32 struct State { 33 RsPathPrimitive primitive; 34 float quality; 35 }; 36 State state; 37 } mHal; 38 39 Path(Context *); 40 Path(Context *, uint32_t vertexBuffersCount, uint32_t primitivesCount); 41 Path(Context *, RsPathPrimitive pp, bool isStatic, Allocation *vtx, Allocation *loop, float q); 42 43 ~Path(); 44 45 void render(Context *); 46 virtual void serialize(Context *rsc, OStream *stream) const; 47 virtual RsA3DClassID getClassId() const; 48 49 private: 50 51 52 typedef struct { 53 float x[4]; 54 float y[4]; 55 } BezierSegment_t; 56 57 bool subdivideCheck(const BezierSegment_t *s, float u1, float u2); 58 59 void rasterize(const BezierSegment_t *s, uint32_t num, Allocation *alloc); 60 61 62 }; 63 64 } 65 } 66 #endif //ANDROID_RS_PATH_H 67 68 69 70