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1 /*
2  * Copyright (C) 2011 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_RS_CONTEXT_H
18 #define ANDROID_RS_CONTEXT_H
19 
20 #include "rsUtils.h"
21 #include "rs_hal.h"
22 
23 #include "rsThreadIO.h"
24 #include "rsScriptC.h"
25 #include "rsSampler.h"
26 #include "rsFont.h"
27 #include "rsPath.h"
28 #include "rsProgramFragment.h"
29 #include "rsProgramStore.h"
30 #include "rsProgramRaster.h"
31 #include "rsProgramVertex.h"
32 #include "rsFBOCache.h"
33 
34 // ---------------------------------------------------------------------------
35 namespace android {
36 
37 namespace renderscript {
38 
39 class Device;
40 
41 #if 0
42 #define CHECK_OBJ(o) { \
43     GET_TLS(); \
44     if (!ObjectBase::isValid(rsc, (const ObjectBase *)o)) {  \
45         ALOGE("Bad object %p at %s, %i", o, __FILE__, __LINE__);  \
46     } \
47 }
48 #define CHECK_OBJ_OR_NULL(o) { \
49     GET_TLS(); \
50     if (o && !ObjectBase::isValid(rsc, (const ObjectBase *)o)) {  \
51         ALOGE("Bad object %p at %s, %i", o, __FILE__, __LINE__);  \
52     } \
53 }
54 #else
55 #define CHECK_OBJ(o)
56 #define CHECK_OBJ_OR_NULL(o)
57 #endif
58 
59 class Context {
60 public:
61     struct Hal {
62         void * drv;
63 
64         RsdHalFunctions funcs;
65     };
66     Hal mHal;
67 
68     static Context * createContext(Device *, const RsSurfaceConfig *sc);
69     static Context * createContextLite();
70     ~Context();
71 
72     static pthread_mutex_t gInitMutex;
73     // Library mutex (for providing thread-safe calls from the runtime)
74     static pthread_mutex_t gLibMutex;
75 
76     class PushState {
77     public:
78         PushState(Context *);
79         ~PushState();
80 
81     private:
82         ObjectBaseRef<ProgramFragment> mFragment;
83         ObjectBaseRef<ProgramVertex> mVertex;
84         ObjectBaseRef<ProgramStore> mStore;
85         ObjectBaseRef<ProgramRaster> mRaster;
86         ObjectBaseRef<Font> mFont;
87         Context *mRsc;
88     };
89 
90     RsSurfaceConfig mUserSurfaceConfig;
91 
92     ElementState mStateElement;
93     TypeState mStateType;
94     SamplerState mStateSampler;
95     ProgramFragmentState mStateFragment;
96     ProgramStoreState mStateFragmentStore;
97     ProgramRasterState mStateRaster;
98     ProgramVertexState mStateVertex;
99     FontState mStateFont;
100 
101     ScriptCState mScriptC;
102     FBOCache mFBOCache;
103 
104     void swapBuffers();
105     void setRootScript(Script *);
106     void setProgramRaster(ProgramRaster *);
107     void setProgramVertex(ProgramVertex *);
108     void setProgramFragment(ProgramFragment *);
109     void setProgramStore(ProgramStore *);
110     void setFont(Font *);
111 
112     void updateSurface(void *sur);
113 
getProgramFragment()114     ProgramFragment * getProgramFragment() {return mFragment.get();}
getProgramStore()115     ProgramStore * getProgramStore() {return mFragmentStore.get();}
getProgramRaster()116     ProgramRaster * getProgramRaster() {return mRaster.get();}
getProgramVertex()117     ProgramVertex * getProgramVertex() {return mVertex.get();}
getFont()118     Font * getFont() {return mFont.get();}
119 
120     bool setupCheck();
121     void setupProgramStore();
122 
123     void pause();
124     void resume();
125     void setSurface(uint32_t w, uint32_t h, RsNativeWindow sur);
126     void setPriority(int32_t p);
127     void destroyWorkerThreadResources();
128 
129     void assignName(ObjectBase *obj, const char *name, uint32_t len);
130     void removeName(ObjectBase *obj);
131 
132     RsMessageToClientType peekMessageToClient(size_t *receiveLen, uint32_t *subID);
133     RsMessageToClientType getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen);
134     bool sendMessageToClient(const void *data, RsMessageToClientType cmdID, uint32_t subID, size_t len, bool waitForSpace) const;
135     uint32_t runScript(Script *s);
136 
137     void initToClient();
138     void deinitToClient();
139 
getDefaultProgramFragment()140     ProgramFragment * getDefaultProgramFragment() const {
141         return mStateFragment.mDefault.get();
142     }
getDefaultProgramVertex()143     ProgramVertex * getDefaultProgramVertex() const {
144         return mStateVertex.mDefault.get();
145     }
getDefaultProgramStore()146     ProgramStore * getDefaultProgramStore() const {
147         return mStateFragmentStore.mDefault.get();
148     }
getDefaultProgramRaster()149     ProgramRaster * getDefaultProgramRaster() const {
150         return mStateRaster.mDefault.get();
151     }
getDefaultFont()152     Font* getDefaultFont() const {
153         return mStateFont.mDefault.get();
154     }
155 
getWidth()156     uint32_t getWidth() const {return mWidth;}
getHeight()157     uint32_t getHeight() const {return mHeight;}
158 
159     uint32_t getCurrentSurfaceWidth() const;
160     uint32_t getCurrentSurfaceHeight() const;
161 
162     mutable ThreadIO mIO;
163 
164     // Timers
165     enum Timers {
166         RS_TIMER_IDLE,
167         RS_TIMER_INTERNAL,
168         RS_TIMER_SCRIPT,
169         RS_TIMER_CLEAR_SWAP,
170         _RS_TIMER_TOTAL
171     };
172     uint64_t getTime() const;
173     void timerInit();
174     void timerReset();
175     void timerSet(Timers);
176     void timerPrint();
177     void timerFrame();
178 
179     struct {
180         bool mLogTimes;
181         bool mLogScripts;
182         bool mLogObjects;
183         bool mLogShaders;
184         bool mLogShadersAttr;
185         bool mLogShadersUniforms;
186         bool mLogVisual;
187         uint32_t mDebugMaxThreads;
188     } props;
189 
190     mutable struct {
191         bool inRoot;
192         const char *command;
193         const char *file;
194         uint32_t line;
195     } watchdog;
196     static void printWatchdogInfo(void *ctx);
setWatchdogGL(const char * cmd,uint32_t line,const char * file)197     void setWatchdogGL(const char *cmd, uint32_t line, const char *file) const {
198         watchdog.command = cmd;
199         watchdog.file = file;
200         watchdog.line = line;
201     }
202 
203     void dumpDebug() const;
204     void setError(RsError e, const char *msg = NULL) const;
205 
206     mutable const ObjectBase * mObjHead;
207 
getDPI()208     uint32_t getDPI() const {return mDPI;}
setDPI(uint32_t dpi)209     void setDPI(uint32_t dpi) {mDPI = dpi;}
210 
getTargetSdkVersion()211     uint32_t getTargetSdkVersion() const {return mTargetSdkVersion;}
setTargetSdkVersion(uint32_t sdkVer)212     void setTargetSdkVersion(uint32_t sdkVer) {mTargetSdkVersion = sdkVer;}
213 
214     Device *mDev;
215 protected:
216 
217     uint32_t mTargetSdkVersion;
218     uint32_t mDPI;
219     uint32_t mWidth;
220     uint32_t mHeight;
221     int32_t mThreadPriority;
222     bool mIsGraphicsContext;
223 
224     bool mRunning;
225     bool mExit;
226     bool mPaused;
227     mutable RsError mError;
228 
229     pthread_t mThreadId;
230     pid_t mNativeThreadId;
231 
232     ObjectBaseRef<Script> mRootScript;
233     ObjectBaseRef<ProgramFragment> mFragment;
234     ObjectBaseRef<ProgramVertex> mVertex;
235     ObjectBaseRef<ProgramStore> mFragmentStore;
236     ObjectBaseRef<ProgramRaster> mRaster;
237     ObjectBaseRef<Font> mFont;
238 
239     void displayDebugStats();
240 
241 private:
242     Context();
243     bool initContext(Device *, const RsSurfaceConfig *sc);
244 
245 
246     bool initGLThread();
247     void deinitEGL();
248 
249     uint32_t runRootScript();
250 
251     static void * threadProc(void *);
252     static void * helperThreadProc(void *);
253 
254     bool mHasSurface;
255     bool mIsContextLite;
256 
257     Vector<ObjectBase *> mNames;
258 
259     uint64_t mTimers[_RS_TIMER_TOTAL];
260     Timers mTimerActive;
261     uint64_t mTimeLast;
262     uint64_t mTimeFrame;
263     uint64_t mTimeLastFrame;
264     uint32_t mTimeMSLastFrame;
265     uint32_t mTimeMSLastScript;
266     uint32_t mTimeMSLastSwap;
267     uint32_t mAverageFPSFrameCount;
268     uint64_t mAverageFPSStartTime;
269     uint32_t mAverageFPS;
270 };
271 
272 } // renderscript
273 } // android
274 #endif
275