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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_FRAME_BUFFER_OBJECT_CACHE_H
     18 #define ANDROID_FRAME_BUFFER_OBJECT_CACHE_H
     19 
     20 #include "rsObjectBase.h"
     21 
     22 // ---------------------------------------------------------------------------
     23 namespace android {
     24 namespace renderscript {
     25 
     26 class Allocation;
     27 
     28 class FBOCache {
     29 public:
     30     FBOCache();
     31     ~FBOCache();
     32 
     33     void init(Context *rsc);
     34     void deinit(Context *rsc);
     35 
     36     void bindColorTarget(Context *rsc, Allocation *a, uint32_t slot);
     37     void bindDepthTarget(Context *, Allocation *a);
     38     void resetAll(Context *);
     39 
     40     void setup(Context *);
     41     void updateSize() { mDirty = true; }
     42 
     43     struct Hal {
     44         mutable void *drv;
     45 
     46         struct State {
     47             Allocation **colorTargets;
     48             uint32_t colorTargetsCount;
     49             Allocation *depthTarget;
     50         };
     51         State state;
     52     };
     53     Hal mHal;
     54 
     55 protected:
     56     ObjectBaseRef<Allocation> *mColorTargets;
     57     ObjectBaseRef<Allocation> mDepthTarget;
     58     bool mDirty;
     59     void checkError(Context *);
     60     void setColorAttachment(Context *rsc);
     61     void setDepthAttachment(Context *rsc);
     62     bool renderToFramebuffer();
     63 
     64 };
     65 
     66 } // namespace renderscript
     67 } // namespace android
     68 
     69 #endif //ANDROID_FRAME_BUFFER_OBJECT_CACHE_H
     70