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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 #include "bcc/Renderscript/RSScript.h"
18 
19 #include "bcc/Assert.h"
20 #include "bcc/Source.h"
21 #include "bcc/Support/Log.h"
22 #include "bcc/Support/CompilerConfig.h"
23 
24 using namespace bcc;
25 
LinkRuntime(RSScript & pScript,const char * core_lib)26 bool RSScript::LinkRuntime(RSScript &pScript, const char *core_lib) {
27   bccAssert(core_lib != nullptr);
28 
29   // Using the same context with the source in pScript.
30   BCCContext &context = pScript.getSource().getContext();
31 
32   Source *libclcore_source = Source::CreateFromFile(context, core_lib);
33   if (libclcore_source == nullptr) {
34     ALOGE("Failed to load Renderscript library '%s' to link!", core_lib);
35     return false;
36   }
37 
38   if (pScript.mLinkRuntimeCallback != nullptr) {
39     pScript.mLinkRuntimeCallback(&pScript,
40         &pScript.getSource().getModule(), &libclcore_source->getModule());
41   }
42 
43   if (!pScript.getSource().merge(*libclcore_source)) {
44     ALOGE("Failed to link Renderscript library '%s'!", core_lib);
45     delete libclcore_source;
46     return false;
47   }
48 
49   return true;
50 }
51 
RSScript(Source & pSource)52 RSScript::RSScript(Source &pSource)
53   : Script(pSource), mCompilerVersion(0),
54     mOptimizationLevel(kOptLvl3), mLinkRuntimeCallback(nullptr),
55     mEmbedInfo(false), mEmbedGlobalInfo(false),
56     mEmbedGlobalInfoSkipConstant(false) { }
57 
RSScript(Source & pSource,const CompilerConfig * pCompilerConfig)58 RSScript::RSScript(Source &pSource, const CompilerConfig * pCompilerConfig): RSScript(pSource)
59 {
60   switch (pCompilerConfig->getOptimizationLevel()) {
61     case llvm::CodeGenOpt::None:    mOptimizationLevel = kOptLvl0; break;
62     case llvm::CodeGenOpt::Less:    mOptimizationLevel = kOptLvl1; break;
63     case llvm::CodeGenOpt::Default: mOptimizationLevel = kOptLvl2; break;
64     case llvm::CodeGenOpt::Aggressive: //Intentional fallthrough
65     default: {
66       mOptimizationLevel = kOptLvl3;
67       break;
68     }
69   }
70 }
71 
doReset()72 bool RSScript::doReset() {
73   mCompilerVersion = 0;
74   mOptimizationLevel = kOptLvl3;
75   return true;
76 }
77