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      1 /*
      2  * Copyright 2012, 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 BCC_RS_SCRIPT_H
     18 #define BCC_RS_SCRIPT_H
     19 
     20 #include "bcc/Script.h"
     21 #include "bcc/Renderscript/RSInfo.h"
     22 #include "bcc/Support/Sha1Util.h"
     23 
     24 namespace bcc {
     25 
     26 class RSScript;
     27 class Source;
     28 
     29 class RSScript : public Script {
     30 public:
     31   // This is one-one mapping with the llvm::CodeGenOpt::Level in
     32   // llvm/Support/CodeGen.h. Therefore, value of this type can safely cast
     33   // to llvm::CodeGenOpt::Level. This makes RSScript LLVM-free.
     34   enum OptimizationLevel {
     35     kOptLvl0, // -O0
     36     kOptLvl1, // -O1
     37     kOptLvl2, // -O2, -Os
     38     kOptLvl3  // -O3
     39   };
     40 
     41 private:
     42   const RSInfo *mInfo;
     43 
     44   unsigned mCompilerVersion;
     45 
     46   OptimizationLevel mOptimizationLevel;
     47 
     48   RSLinkRuntimeCallback mLinkRuntimeCallback;
     49 
     50   bool mEmbedInfo;
     51 
     52 private:
     53   // This will be invoked when the containing source has been reset.
     54   virtual bool doReset();
     55 
     56 public:
     57   static bool LinkRuntime(RSScript &pScript, const char *rt_path = NULL);
     58 
     59   RSScript(Source &pSource);
     60 
     61   virtual ~RSScript() {
     62     delete mInfo;
     63   }
     64 
     65   // Set the associated RSInfo of the script.
     66   void setInfo(const RSInfo *pInfo) {
     67     mInfo = pInfo;
     68   }
     69 
     70   const RSInfo *getInfo() const {
     71     return mInfo;
     72   }
     73 
     74   void setCompilerVersion(unsigned pCompilerVersion) {
     75     mCompilerVersion = pCompilerVersion;
     76   }
     77 
     78   unsigned getCompilerVersion() const {
     79     return mCompilerVersion;
     80   }
     81 
     82   void setOptimizationLevel(OptimizationLevel pOptimizationLevel) {
     83     mOptimizationLevel = pOptimizationLevel;
     84   }
     85 
     86   OptimizationLevel getOptimizationLevel() const {
     87     return mOptimizationLevel;
     88   }
     89 
     90   void setLinkRuntimeCallback(RSLinkRuntimeCallback fn){
     91     mLinkRuntimeCallback = fn;
     92   }
     93 
     94   void setEmbedInfo(bool pEnable) {
     95     mEmbedInfo = pEnable;
     96   }
     97 
     98   bool getEmbedInfo() const {
     99     return mEmbedInfo;
    100   }
    101 };
    102 
    103 } // end namespace bcc
    104 
    105 #endif // BCC_RS_SCRIPT_H
    106