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      1 /*
      2  * Copyright (C) 2009-2011 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_PROGRAM_RASTER_H
     18 #define ANDROID_RS_PROGRAM_RASTER_H
     19 
     20 #include "rsProgramBase.h"
     21 
     22 #include <vector>
     23 
     24 // ---------------------------------------------------------------------------
     25 namespace android {
     26 namespace renderscript {
     27 
     28 class ProgramRasterState;
     29 /*****************************************************************************
     30  * CAUTION
     31  *
     32  * Any layout changes for this class may require a corresponding change to be
     33  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
     34  * a partial copy of the information below.
     35  *
     36  *****************************************************************************/
     37 class ProgramRaster : public ProgramBase {
     38 public:
     39     struct Hal {
     40         mutable void *drv;
     41 
     42         struct State {
     43             bool pointSprite;
     44             RsCullMode cull;
     45         };
     46         State state;
     47     };
     48     Hal mHal;
     49 
     50     virtual void setup(const Context *, ProgramRasterState *);
     51     virtual void serialize(Context *rsc, OStream *stream) const;
     52     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_PROGRAM_RASTER; }
     53     static ProgramRaster *createFromStream(Context *rsc, IStream *stream);
     54 
     55     static ObjectBaseRef<ProgramRaster> getProgramRaster(Context *rsc,
     56                                                          bool pointSprite,
     57                                                          RsCullMode cull);
     58 protected:
     59     virtual void preDestroy() const;
     60     virtual ~ProgramRaster();
     61 
     62 private:
     63     ProgramRaster(Context *rsc,
     64                   bool pointSprite,
     65                   RsCullMode cull);
     66 
     67 };
     68 
     69 class ProgramRasterState {
     70 public:
     71     ProgramRasterState();
     72     ~ProgramRasterState();
     73     void init(Context *rsc);
     74     void deinit(Context *rsc);
     75 
     76     ObjectBaseRef<ProgramRaster> mDefault;
     77     ObjectBaseRef<ProgramRaster> mLast;
     78 
     79     // Cache of all existing raster programs.
     80     std::vector<ProgramRaster *> mRasterPrograms;
     81 };
     82 
     83 
     84 } // namespace renderscript
     85 } // namespace android
     86 #endif
     87 
     88 
     89 
     90 
     91