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      1 /*
      2  * Copyright (C) 2011-2012 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 RSD_BCC_H
     18 #define RSD_BCC_H
     19 
     20 #include <rs_hal.h>
     21 #include <rsRuntime.h>
     22 
     23 #ifndef RS_COMPATIBILITY_LIB
     24 #include <bcc/ExecutionEngine/CompilerRTSymbolResolver.h>
     25 #include <bcc/ExecutionEngine/SymbolResolverProxy.h>
     26 #include <vector>
     27 #include <utility>
     28 #endif
     29 
     30 #include "rsCpuCore.h"
     31 
     32 namespace bcc {
     33     class BCCContext;
     34     class RSCompilerDriver;
     35     class RSExecutable;
     36 }
     37 
     38 namespace bcinfo {
     39     class MetadataExtractor;
     40 }
     41 
     42 namespace android {
     43 namespace renderscript {
     44 
     45 
     46 
     47 class RsdCpuScriptImpl : public RsdCpuReferenceImpl::CpuScript {
     48 public:
     49     typedef void (*outer_foreach_t)(
     50         const RsForEachStubParamStruct *,
     51         uint32_t x1, uint32_t x2,
     52         uint32_t instep, uint32_t outstep);
     53 #ifdef RS_COMPATIBILITY_LIB
     54     typedef void (* InvokeFunc_t)(void);
     55     typedef void (* ForEachFunc_t)(void);
     56     typedef int (* RootFunc_t)(void);
     57     typedef void (*WorkerCallback_t)(void *usr, uint32_t idx);
     58 #endif
     59 
     60     bool init(char const *resName, char const *cacheDir,
     61               uint8_t const *bitcode, size_t bitcodeSize, uint32_t flags,
     62               char const *bccPluginName = NULL);
     63     virtual void populateScript(Script *);
     64 
     65     virtual void invokeFunction(uint32_t slot, const void *params, size_t paramLength);
     66     virtual int invokeRoot();
     67     virtual void preLaunch(uint32_t slot, const Allocation * ain,
     68                            Allocation * aout, const void * usr,
     69                            uint32_t usrLen, const RsScriptCall *sc);
     70     virtual void postLaunch(uint32_t slot, const Allocation * ain,
     71                             Allocation * aout, const void * usr,
     72                             uint32_t usrLen, const RsScriptCall *sc);
     73     virtual void invokeForEach(uint32_t slot,
     74                        const Allocation * ain,
     75                        Allocation * aout,
     76                        const void * usr,
     77                        uint32_t usrLen,
     78                        const RsScriptCall *sc);
     79 
     80     virtual void invokeForEachMulti(uint32_t slot,
     81                                      const Allocation** ains,
     82                                      uint32_t inLen,
     83                                      Allocation* aout,
     84                                      const void* usr,
     85                                      uint32_t usrLen,
     86                                      const RsScriptCall* sc);
     87     virtual void invokeInit();
     88     virtual void invokeFreeChildren();
     89 
     90     virtual void setGlobalVar(uint32_t slot, const void *data, size_t dataLength);
     91     virtual void getGlobalVar(uint32_t slot, void *data, size_t dataLength);
     92     virtual void setGlobalVarWithElemDims(uint32_t slot, const void *data, size_t dataLength,
     93                                   const Element *e, const uint32_t *dims, size_t dimLength);
     94     virtual void setGlobalBind(uint32_t slot, Allocation *data);
     95     virtual void setGlobalObj(uint32_t slot, ObjectBase *data);
     96 
     97 
     98     virtual ~RsdCpuScriptImpl();
     99     RsdCpuScriptImpl(RsdCpuReferenceImpl *ctx, const Script *s);
    100 
    101     const Script * getScript() {return mScript;}
    102 
    103     void forEachMtlsSetup(const Allocation * ain, Allocation * aout,
    104                           const void * usr, uint32_t usrLen,
    105                           const RsScriptCall *sc, MTLaunchStruct *mtls);
    106 
    107     void forEachMtlsSetup(const Allocation ** ains, uint32_t inLen,
    108                           Allocation * aout, const void * usr, uint32_t usrLen,
    109                           const RsScriptCall *sc, MTLaunchStruct *mtls);
    110 
    111     virtual void forEachKernelSetup(uint32_t slot, MTLaunchStruct *mtls);
    112 
    113 
    114     const RsdCpuReference::CpuSymbol * lookupSymbolMath(const char *sym);
    115     static void * lookupRuntimeStub(void* pContext, char const* name);
    116 
    117     virtual Allocation * getAllocationForPointer(const void *ptr) const;
    118 
    119 #ifndef RS_COMPATIBILITY_LIB
    120     virtual  void * getRSExecutable() { return mExecutable; }
    121 #endif
    122 
    123 protected:
    124     RsdCpuReferenceImpl *mCtx;
    125     const Script *mScript;
    126 
    127 #ifndef RS_COMPATIBILITY_LIB
    128     // Returns the path to the core library we'll use.
    129     const char* findCoreLib(const bcinfo::MetadataExtractor& bitCodeMetaData, const char* bitcode,
    130                             size_t bitcodeSize);
    131     int (*mRoot)();
    132     int (*mRootExpand)();
    133     void (*mInit)();
    134     void (*mFreeChildren)();
    135 
    136     std::vector<std::pair<const char *, uint32_t> > mExportedForEachFuncList;
    137 
    138     bcc::BCCContext *mCompilerContext;
    139     bcc::RSCompilerDriver *mCompilerDriver;
    140     bcc::CompilerRTSymbolResolver mCompilerRuntime;
    141     bcc::LookupFunctionSymbolResolver<void *> mRSRuntime;
    142     bcc::SymbolResolverProxy mResolver;
    143     bcc::RSExecutable *mExecutable;
    144 #else
    145     void *mScriptSO;
    146     RootFunc_t mRoot;
    147     RootFunc_t mRootExpand;
    148     InvokeFunc_t mInit;
    149     InvokeFunc_t mFreeChildren;
    150     InvokeFunc_t *mInvokeFunctions;
    151     ForEachFunc_t *mForEachFunctions;
    152 
    153     void **mFieldAddress;
    154     bool *mFieldIsObject;
    155     uint32_t *mForEachSignatures;
    156 
    157     // for populate script
    158     //int mVersionMajor;
    159     //int mVersionMinor;
    160     size_t mExportedVariableCount;
    161     size_t mExportedFunctionCount;
    162 #endif
    163 
    164     Allocation **mBoundAllocs;
    165     void * mIntrinsicData;
    166     bool mIsThreadable;
    167 };
    168 
    169 Allocation * rsdScriptGetAllocationForPointer(
    170                         const Context *dc,
    171                         const Script *script,
    172                         const void *);
    173 
    174 
    175 
    176 }
    177 }
    178 
    179 #endif
    180