rsCpuExecutable.h revision 2abfcc6d129fe3defddef4540aa95cc445c03a7a
1/* 2 * Copyright (C) 2015 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_RENDERSCRIPT_EXECUTABLE_H 18#define ANDROID_RENDERSCRIPT_EXECUTABLE_H 19 20#include <stdlib.h> 21 22#include "rsCpuScript.h" 23 24namespace android { 25namespace renderscript { 26 27class Context; 28 29class SharedLibraryUtils { 30public: 31#ifndef RS_COMPATIBILITY_LIB 32 static bool createSharedLibrary(const char* cacheDir, const char* resName); 33#endif 34 35 // Load the shared library referred to by cacheDir and resName. If we have 36 // already loaded this library, we instead create a new copy (in the 37 // cache dir) and then load that. We then immediately destroy the copy. 38 // This is required behavior to implement script instancing for the support 39 // library, since shared objects are loaded and de-duped by name only. 40 41 // For 64bit RS Support Lib, the shared lib path cannot be constructed from 42 // cacheDir, so nativeLibDir is needed to load shared libs. 43 static void* loadSharedLibrary(const char *cacheDir, const char *resName, 44 const char *nativeLibDir = nullptr); 45 46private: 47 // Attempt to load the shared library from origName, but then fall back to 48 // creating a copy of the shared library if necessary (to ensure instancing). 49 // This function returns the dlopen()-ed handle if successful. 50 static void *loadSOHelper(const char *origName, const char *cacheDir, 51 const char *resName); 52 53 static const char* LD_EXE_PATH; 54 static const char* RS_CACHE_DIR; 55}; 56 57class ScriptExecutable { 58public: 59 ScriptExecutable(Context* RSContext, 60 void** fieldAddress, bool* fieldIsObject, size_t varCount, 61 InvokeFunc_t* invokeFunctions, size_t funcCount, 62 ForEachFunc_t* forEachFunctions, uint32_t* forEachSignatures, 63 size_t forEachCount, 64 const char ** pragmaKeys, const char ** pragmaValues, 65 size_t pragmaCount, 66 bool isThreadable) : 67 mFieldAddress(fieldAddress), mFieldIsObject(fieldIsObject), 68 mExportedVarCount(varCount), 69 mInvokeFunctions(invokeFunctions), mFuncCount(funcCount), 70 mForEachFunctions(forEachFunctions), mForEachSignatures(forEachSignatures), 71 mForEachCount(forEachCount), 72 mPragmaKeys(pragmaKeys), mPragmaValues(pragmaValues), 73 mPragmaCount(pragmaCount), 74 mIsThreadable(isThreadable), mRS(RSContext) { 75 } 76 77 ~ScriptExecutable() { 78 for (size_t i = 0; i < mExportedVarCount; ++i) { 79 if (mFieldIsObject[i]) { 80 if (mFieldAddress[i] != nullptr) { 81 rs_object_base *obj_addr = 82 reinterpret_cast<rs_object_base *>(mFieldAddress[i]); 83 rsrClearObject(mRS, obj_addr); 84 } 85 } 86 } 87 88 for (size_t i = 0; i < mPragmaCount; ++i) { 89 delete [] mPragmaKeys[i]; 90 delete [] mPragmaValues[i]; 91 } 92 93 delete[] mPragmaValues; 94 delete[] mPragmaKeys; 95 delete[] mForEachSignatures; 96 delete[] mForEachFunctions; 97 delete[] mInvokeFunctions; 98 delete[] mFieldIsObject; 99 delete[] mFieldAddress; 100 } 101 102 static ScriptExecutable* 103 createFromSharedObject(Context* RSContext, void* sharedObj); 104 105 size_t getExportedVariableCount() const { return mExportedVarCount; } 106 size_t getExportedFunctionCount() const { return mFuncCount; } 107 size_t getExportedForEachCount() const { return mForEachCount; } 108 size_t getPragmaCount() const { return mPragmaCount; } 109 110 void* getFieldAddress(int slot) const { return mFieldAddress[slot]; } 111 bool getFieldIsObject(int slot) const { return mFieldIsObject[slot]; } 112 InvokeFunc_t getInvokeFunction(int slot) const { return mInvokeFunctions[slot]; } 113 ForEachFunc_t getForEachFunction(int slot) const { return mForEachFunctions[slot]; } 114 uint32_t getForEachSignature(int slot) const { return mForEachSignatures[slot]; } 115 116 const char ** getPragmaKeys() const { return mPragmaKeys; } 117 const char ** getPragmaValues() const { return mPragmaValues; } 118 119 bool getThreadable() const { return mIsThreadable; } 120 121private: 122 void** mFieldAddress; 123 bool* mFieldIsObject; 124 size_t mExportedVarCount; 125 126 InvokeFunc_t* mInvokeFunctions; 127 size_t mFuncCount; 128 129 ForEachFunc_t* mForEachFunctions; 130 uint32_t* mForEachSignatures; 131 size_t mForEachCount; 132 133 const char ** mPragmaKeys; 134 const char ** mPragmaValues; 135 size_t mPragmaCount; 136 137 bool mIsThreadable; 138 139 Context* mRS; 140}; 141 142} // namespace renderscript 143} // namespace android 144 145#endif // ANDROID_RENDERSCRIPT_EXECUTABLE_H 146