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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_COMPILER_DRIVER_H
     18 #define BCC_RS_COMPILER_DRIVER_H
     19 
     20 #include "bcc/ExecutionEngine/BCCRuntimeSymbolResolver.h"
     21 #include "bcc/ExecutionEngine/SymbolResolvers.h"
     22 #include "bcc/ExecutionEngine/SymbolResolverProxy.h"
     23 #include "bcc/Renderscript/RSInfo.h"
     24 #include "bcc/Renderscript/RSCompiler.h"
     25 
     26 namespace bcc {
     27 
     28 class BCCContext;
     29 class CompilerConfig;
     30 class RSExecutable;
     31 class RSScript;
     32 
     33 class RSCompilerDriver {
     34 private:
     35   CompilerConfig *mConfig;
     36   RSCompiler mCompiler;
     37 
     38   BCCRuntimeSymbolResolver mBCCRuntime;
     39   LookupFunctionSymbolResolver<void*> mRSRuntime;
     40   SymbolResolverProxy mResolver;
     41 
     42   RSExecutable *loadScriptCache(const char *pOutputPath,
     43                                 const RSInfo::DependencyTableTy &pDeps);
     44 
     45   // Setup the compiler config for the given script. Return true if mConfig has
     46   // been changed and false if it remains unchanged.
     47   bool setupConfig(const RSScript &pScript);
     48 
     49   RSExecutable *compileScript(RSScript &pScript,
     50                               const char* pScriptName,
     51                               const char *pOutputPath,
     52                               const RSInfo::DependencyTableTy &pDeps);
     53 
     54 public:
     55   RSCompilerDriver();
     56   ~RSCompilerDriver();
     57 
     58   inline void setRSRuntimeLookupFunction(
     59       LookupFunctionSymbolResolver<>::LookupFunctionTy pLookupFunc)
     60   { mRSRuntime.setLookupFunction(pLookupFunc); }
     61   inline void setRSRuntimeLookupContext(void *pContext)
     62   { mRSRuntime.setContext(pContext); }
     63 
     64   // FIXME: This method accompany with loadScriptCache and compileScript should
     65   //        all be const-methods. They're not now because the getAddress() in
     66   //        SymbolResolverInterface is not a const-method.
     67   RSExecutable *build(BCCContext &pContext,
     68                       const char *pCacheDir, const char *pResName,
     69                       const char *pBitcode, size_t pBitcodeSize);
     70 };
     71 
     72 } // end namespace bcc
     73 
     74 #endif // BCC_RS_COMPILER_DRIVER_H
     75