RSScript.cpp revision 06731a6150ae8014d37258d5f32ef8bc14a3db63 
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/Renderscript/RSInfo.h"
20#include "bcc/Source.h"
21#include "bcc/Support/Log.h"
22
23using namespace bcc;
24
25bool RSScript::LinkRuntime(RSScript &pScript, const char *rt_path) {
26  // Using the same context with the source in pScript.
27  BCCContext &context = pScript.getSource().getContext();
28  const char* core_lib = RSInfo::LibCLCorePath;
29
30  // NEON-capable devices can use an accelerated math library for all
31  // reduced precision scripts.
32#if defined(ARCH_ARM_HAVE_NEON)
33  const RSInfo* info = pScript.getInfo();
34  if ((info != NULL) &&
35      (info->getFloatPrecisionRequirement() != RSInfo::FP_Full)) {
36    core_lib = RSInfo::LibCLCoreNEONPath;
37  }
38#endif
39
40  if (rt_path != NULL) {
41    core_lib = rt_path;
42  }
43
44  Source *libclcore_source = Source::CreateFromFile(context, core_lib);
45  if (libclcore_source == NULL) {
46    ALOGE("Failed to load Renderscript library '%s' to link!", core_lib);
47    return false;
48  }
49
50  if (NULL != pScript.mLinkRuntimeCallback) {
51    pScript.mLinkRuntimeCallback(&pScript,
52        &pScript.getSource().getModule(), &libclcore_source->getModule());
53  }
54
55  if (!pScript.getSource().merge(*libclcore_source,
56                                 /* pPreserveSource */false)) {
57    ALOGE("Failed to link Renderscript library '%s'!", core_lib);
58    delete libclcore_source;
59    return false;
60  }
61
62  return true;
63}
64
65RSScript::RSScript(Source &pSource)
66  : Script(pSource), mInfo(NULL), mCompilerVersion(0),
67    mOptimizationLevel(kOptLvl3), mLinkRuntimeCallback(NULL),
68    mEmbedInfo(false) { }
69
70bool RSScript::doReset() {
71  mInfo = NULL;
72  mCompilerVersion = 0;
73  mOptimizationLevel = kOptLvl3;
74  return true;
75}
76