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      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_PROGRAM_FRAGMENT_STORE_H
     18 #define ANDROID_RS_PROGRAM_FRAGMENT_STORE_H
     19 
     20 #include "rsProgramBase.h"
     21 #include "rsStream.h"
     22 
     23 #include <vector>
     24 
     25 // ---------------------------------------------------------------------------
     26 namespace android {
     27 namespace renderscript {
     28 
     29 class ProgramStoreState;
     30 /*****************************************************************************
     31  * CAUTION
     32  *
     33  * Any layout changes for this class may require a corresponding change to be
     34  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
     35  * a partial copy of the information below.
     36  *
     37  *****************************************************************************/
     38 class ProgramStore : public ProgramBase {
     39 public:
     40     struct Hal {
     41         mutable void *drv;
     42 
     43         struct State {
     44             bool ditherEnable;
     45 
     46             //bool blendEnable;
     47             bool colorRWriteEnable;
     48             bool colorGWriteEnable;
     49             bool colorBWriteEnable;
     50             bool colorAWriteEnable;
     51             RsBlendSrcFunc blendSrc;
     52             RsBlendDstFunc blendDst;
     53 
     54             //bool depthTestEnable;
     55             bool depthWriteEnable;
     56             RsDepthFunc depthFunc;
     57         };
     58         State state;
     59     };
     60     Hal mHal;
     61 
     62     virtual void setup(const Context *, ProgramStoreState *);
     63 
     64     virtual void serialize(Context *rsc, OStream *stream) const;
     65     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_PROGRAM_STORE; }
     66     static ProgramStore *createFromStream(Context *rsc, IStream *stream);
     67     static ObjectBaseRef<ProgramStore> getProgramStore(Context *,
     68                                                        bool colorMaskR, bool colorMaskG,
     69                                                        bool colorMaskB, bool colorMaskA,
     70                                                        bool depthMask, bool ditherEnable,
     71                                                        RsBlendSrcFunc srcFunc, RsBlendDstFunc destFunc,
     72                                                        RsDepthFunc depthFunc);
     73     void init();
     74 protected:
     75     virtual void preDestroy() const;
     76     virtual ~ProgramStore();
     77 
     78 private:
     79     ProgramStore(Context *,
     80                  bool colorMaskR, bool colorMaskG, bool colorMaskB, bool colorMaskA,
     81                  bool depthMask, bool ditherEnable,
     82                  RsBlendSrcFunc srcFunc, RsBlendDstFunc destFunc,
     83                  RsDepthFunc depthFunc);
     84 };
     85 
     86 class ProgramStoreState {
     87 public:
     88     ProgramStoreState();
     89     ~ProgramStoreState();
     90     void init(Context *rsc);
     91     void deinit(Context *rsc);
     92 
     93     ObjectBaseRef<ProgramStore> mDefault;
     94     ObjectBaseRef<ProgramStore> mLast;
     95 
     96     // Cache of all existing store programs.
     97     std::vector<ProgramStore *> mStorePrograms;
     98 };
     99 
    100 } // namespace renderscript
    101 } // namespace android
    102 #endif
    103 
    104 
    105 
    106