rsScriptC.cpp revision 0b575de8ed0b628d84d256f5846500b0385979bd 
1/*
2 * Copyright (C) 2009-2012 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 "rsContext.h"
18#include "rsScriptC.h"
19
20#ifndef RS_COMPATIBILITY_LIB
21#ifndef ANDROID_RS_SERIALIZE
22#include <bcinfo/BitcodeTranslator.h>
23#include <bcinfo/BitcodeWrapper.h>
24#endif
25#endif
26
27#ifndef RS_SERVER
28#include "utils/Timers.h"
29#include "utils/StopWatch.h"
30#endif
31
32#include <sys/stat.h>
33
34using namespace android;
35using namespace android::renderscript;
36
37#define GET_TLS()  Context::ScriptTLSStruct * tls = \
38    (Context::ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey); \
39    Context * rsc = tls->mContext; \
40    ScriptC * sc = (ScriptC *) tls->mScript
41
42ScriptC::ScriptC(Context *rsc) : Script(rsc) {
43#ifndef RS_COMPATIBILITY_LIB
44#ifndef ANDROID_RS_SERIALIZE
45    BT = NULL;
46#endif
47#endif
48}
49
50ScriptC::~ScriptC() {
51#ifndef RS_COMPATIBILITY_LIB
52#ifndef ANDROID_RS_SERIALIZE
53    if (BT) {
54        delete BT;
55        BT = NULL;
56    }
57#endif
58#endif
59    if (mInitialized) {
60        mRSC->mHal.funcs.script.invokeFreeChildren(mRSC, this);
61        mRSC->mHal.funcs.script.destroy(mRSC, this);
62    }
63}
64
65#ifndef RS_COMPATIBILITY_LIB
66bool ScriptC::createCacheDir(const char *cacheDir) {
67    String8 cacheDirString, currentDir;
68    struct stat statBuf;
69    int statReturn = stat(cacheDir, &statBuf);
70    if (!statReturn) {
71        return true;
72    }
73
74    // String8 path functions strip leading /'s
75    // insert if necessary
76    if (cacheDir[0] == '/') {
77        currentDir += "/";
78    }
79
80    cacheDirString.setPathName(cacheDir);
81
82    while (cacheDirString.length()) {
83        currentDir += (cacheDirString.walkPath(&cacheDirString));
84        statReturn = stat(currentDir.string(), &statBuf);
85        if (statReturn) {
86            if (errno == ENOENT) {
87                if (mkdir(currentDir.string(), S_IRUSR | S_IWUSR | S_IXUSR)) {
88                    ALOGE("Couldn't create cache directory: %s",
89                          currentDir.string());
90                    ALOGE("Error: %s", strerror(errno));
91                    return false;
92                }
93            } else {
94                ALOGE("Stat error: %s", strerror(errno));
95                return false;
96            }
97        }
98        currentDir += "/";
99    }
100    return true;
101}
102#endif
103
104void ScriptC::setupScript(Context *rsc) {
105#ifndef RS_SERVER
106    mEnviroment.mStartTimeMillis
107                = nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_MONOTONIC));
108#endif
109
110    for (uint32_t ct=0; ct < mHal.info.exportedVariableCount; ct++) {
111        if (mSlots[ct].get() && !mTypes[ct].get()) {
112            mTypes[ct].set(mSlots[ct]->getType());
113        }
114
115        if (!mTypes[ct].get())
116            continue;
117        rsc->mHal.funcs.script.setGlobalBind(rsc, this, ct, mSlots[ct].get());
118    }
119}
120
121void ScriptC::setupGLState(Context *rsc) {
122#ifndef RS_COMPATIBILITY_LIB
123    if (mEnviroment.mFragmentStore.get()) {
124        rsc->setProgramStore(mEnviroment.mFragmentStore.get());
125    }
126    if (mEnviroment.mFragment.get()) {
127        rsc->setProgramFragment(mEnviroment.mFragment.get());
128    }
129    if (mEnviroment.mVertex.get()) {
130        rsc->setProgramVertex(mEnviroment.mVertex.get());
131    }
132    if (mEnviroment.mRaster.get()) {
133        rsc->setProgramRaster(mEnviroment.mRaster.get());
134    }
135#endif
136}
137
138uint32_t ScriptC::run(Context *rsc) {
139    if (mHal.info.root == NULL) {
140        rsc->setError(RS_ERROR_BAD_SCRIPT, "Attempted to run bad script");
141        return 0;
142    }
143
144    setupGLState(rsc);
145    setupScript(rsc);
146
147    uint32_t ret = 0;
148
149    if (rsc->props.mLogScripts) {
150        ALOGV("%p ScriptC::run invoking root,  ptr %p", rsc, mHal.info.root);
151    }
152
153    ret = rsc->mHal.funcs.script.invokeRoot(rsc, this);
154
155    if (rsc->props.mLogScripts) {
156        ALOGV("%p ScriptC::run invoking complete, ret=%i", rsc, ret);
157    }
158
159    return ret;
160}
161
162
163void ScriptC::runForEach(Context *rsc,
164                         uint32_t slot,
165                         const Allocation * ain,
166                         Allocation * aout,
167                         const void * usr,
168                         size_t usrBytes,
169                         const RsScriptCall *sc) {
170
171    Context::PushState ps(rsc);
172
173    setupGLState(rsc);
174    setupScript(rsc);
175    rsc->mHal.funcs.script.invokeForEach(rsc, this, slot, ain, aout, usr, usrBytes, sc);
176}
177
178void ScriptC::Invoke(Context *rsc, uint32_t slot, const void *data, size_t len) {
179    if (slot >= mHal.info.exportedFunctionCount) {
180        rsc->setError(RS_ERROR_BAD_SCRIPT, "Calling invoke on bad script");
181        return;
182    }
183    setupScript(rsc);
184
185    if (rsc->props.mLogScripts) {
186        ALOGV("%p ScriptC::Invoke invoking slot %i,  ptr %p", rsc, slot, this);
187    }
188    rsc->mHal.funcs.script.invokeFunction(rsc, this, slot, data, len);
189}
190
191ScriptCState::ScriptCState() {
192}
193
194ScriptCState::~ScriptCState() {
195}
196
197/*
198static void* symbolLookup(void* pContext, char const* name) {
199    const ScriptCState::SymbolTable_t *sym;
200    ScriptC *s = (ScriptC *)pContext;
201    if (!strcmp(name, "__isThreadable")) {
202      return (void*) s->mHal.info.isThreadable;
203    } else if (!strcmp(name, "__clearThreadable")) {
204      s->mHal.info.isThreadable = false;
205      return NULL;
206    }
207    sym = ScriptCState::lookupSymbol(name);
208    if (!sym) {
209        sym = ScriptCState::lookupSymbolCL(name);
210    }
211    if (!sym) {
212        sym = ScriptCState::lookupSymbolGL(name);
213    }
214    if (sym) {
215        s->mHal.info.isThreadable &= sym->threadable;
216        return sym->mPtr;
217    }
218    ALOGE("ScriptC sym lookup failed for %s", name);
219    return NULL;
220}
221*/
222
223#if 0
224extern const char rs_runtime_lib_bc[];
225extern unsigned rs_runtime_lib_bc_size;
226#endif
227
228bool ScriptC::runCompiler(Context *rsc,
229                          const char *resName,
230                          const char *cacheDir,
231                          const uint8_t *bitcode,
232                          size_t bitcodeLen) {
233
234    //ALOGE("runCompiler %p %p %p %p %p %i", rsc, this, resName, cacheDir, bitcode, bitcodeLen);
235#ifndef RS_COMPATIBILITY_LIB
236#ifndef ANDROID_RS_SERIALIZE
237    uint32_t sdkVersion = 0;
238    bcinfo::BitcodeWrapper bcWrapper((const char *)bitcode, bitcodeLen);
239    if (!bcWrapper.unwrap()) {
240        ALOGE("Bitcode is not in proper container format (raw or wrapper)");
241        return false;
242    }
243
244    if (bcWrapper.getBCFileType() == bcinfo::BC_WRAPPER) {
245        sdkVersion = bcWrapper.getTargetAPI();
246    }
247
248    if (sdkVersion == 0) {
249        // This signals that we didn't have a wrapper containing information
250        // about the bitcode.
251        sdkVersion = rsc->getTargetSdkVersion();
252    }
253
254    if (BT) {
255        delete BT;
256    }
257    BT = new bcinfo::BitcodeTranslator((const char *)bitcode, bitcodeLen,
258                                       sdkVersion);
259    if (!BT->translate()) {
260        ALOGE("Failed to translate bitcode from version: %u", sdkVersion);
261        delete BT;
262        BT = NULL;
263        return false;
264    }
265    bitcode = (const uint8_t *) BT->getTranslatedBitcode();
266    bitcodeLen = BT->getTranslatedBitcodeSize();
267#endif
268
269    if (!cacheDir) {
270        // MUST BE FIXED BEFORE ANYTHING USING C++ API IS RELEASED
271        cacheDir = getenv("EXTERNAL_STORAGE");
272        ALOGV("Cache dir changed to %s", cacheDir);
273    }
274
275    // ensure that cache dir exists
276    if (cacheDir && !createCacheDir(cacheDir)) {
277      return false;
278    }
279#endif
280
281    if (!rsc->mHal.funcs.script.init(rsc, this, resName, cacheDir, bitcode, bitcodeLen, 0)) {
282        return false;
283    }
284
285    mInitialized = true;
286#ifndef RS_COMPATIBILITY_LIB
287    mEnviroment.mFragment.set(rsc->getDefaultProgramFragment());
288    mEnviroment.mVertex.set(rsc->getDefaultProgramVertex());
289    mEnviroment.mFragmentStore.set(rsc->getDefaultProgramStore());
290    mEnviroment.mRaster.set(rsc->getDefaultProgramRaster());
291#endif
292
293    rsc->mHal.funcs.script.invokeInit(rsc, this);
294
295    for (size_t i=0; i < mHal.info.exportedPragmaCount; ++i) {
296        const char * key = mHal.info.exportedPragmaKeyList[i];
297        const char * value = mHal.info.exportedPragmaValueList[i];
298        //ALOGE("pragma %s %s", keys[i], values[i]);
299        if (!strcmp(key, "version")) {
300            if (!strcmp(value, "1")) {
301                continue;
302            }
303            ALOGE("Invalid version pragma value: %s\n", value);
304            return false;
305        }
306
307#ifndef RS_COMPATIBILITY_LIB
308        if (!strcmp(key, "stateVertex")) {
309            if (!strcmp(value, "default")) {
310                continue;
311            }
312            if (!strcmp(value, "parent")) {
313                mEnviroment.mVertex.clear();
314                continue;
315            }
316            ALOGE("Unrecognized value %s passed to stateVertex", value);
317            return false;
318        }
319
320        if (!strcmp(key, "stateRaster")) {
321            if (!strcmp(value, "default")) {
322                continue;
323            }
324            if (!strcmp(value, "parent")) {
325                mEnviroment.mRaster.clear();
326                continue;
327            }
328            ALOGE("Unrecognized value %s passed to stateRaster", value);
329            return false;
330        }
331
332        if (!strcmp(key, "stateFragment")) {
333            if (!strcmp(value, "default")) {
334                continue;
335            }
336            if (!strcmp(value, "parent")) {
337                mEnviroment.mFragment.clear();
338                continue;
339            }
340            ALOGE("Unrecognized value %s passed to stateFragment", value);
341            return false;
342        }
343
344        if (!strcmp(key, "stateStore")) {
345            if (!strcmp(value, "default")) {
346                continue;
347            }
348            if (!strcmp(value, "parent")) {
349                mEnviroment.mFragmentStore.clear();
350                continue;
351            }
352            ALOGE("Unrecognized value %s passed to stateStore", value);
353            return false;
354        }
355#endif
356
357    }
358
359    mSlots = new ObjectBaseRef<Allocation>[mHal.info.exportedVariableCount];
360    mTypes = new ObjectBaseRef<const Type>[mHal.info.exportedVariableCount];
361
362    return true;
363}
364
365namespace android {
366namespace renderscript {
367
368RsScript rsi_ScriptCCreate(Context *rsc,
369                           const char *resName, size_t resName_length,
370                           const char *cacheDir, size_t cacheDir_length,
371                           const char *text, size_t text_length)
372{
373    ScriptC *s = new ScriptC(rsc);
374
375    if (!s->runCompiler(rsc, resName, cacheDir, (uint8_t *)text, text_length)) {
376        // Error during compile, destroy s and return null.
377        ObjectBase::checkDelete(s);
378        return NULL;
379    }
380
381    s->incUserRef();
382    return s;
383}
384
385}
386}
387