RenderScript.java revision 5dbfe93b3f15f3a837836d024958635fd8f9ad14 
1/*
2 * Copyright (C) 2008 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
17package android.renderscript;
18
19import java.lang.reflect.Field;
20
21import android.graphics.Bitmap;
22import android.graphics.BitmapFactory;
23import android.util.Config;
24import android.util.Log;
25import android.view.Surface;
26
27
28/**
29 * @hide
30 *
31 **/
32public class RenderScript {
33    static final String LOG_TAG = "RenderScript_jni";
34    private static final boolean DEBUG  = false;
35    @SuppressWarnings({"UnusedDeclaration", "deprecation"})
36    private static final boolean LOG_ENABLED = DEBUG ? Config.LOGD : Config.LOGV;
37    int mWidth;
38    int mHeight;
39
40
41
42     /*
43     * We use a class initializer to allow the native code to cache some
44     * field offsets.
45     */
46    @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"})
47    private static boolean sInitialized;
48    native private static void _nInit();
49
50
51    static {
52        sInitialized = false;
53        try {
54            System.loadLibrary("rs_jni");
55            _nInit();
56            sInitialized = true;
57        } catch (UnsatisfiedLinkError e) {
58            Log.d(LOG_TAG, "RenderScript JNI library not found!");
59        }
60    }
61
62    native void nInitElements(int a8, int rgba4444, int rgba8888, int rgb565);
63
64    native int  nDeviceCreate();
65    native void nDeviceDestroy(int dev);
66    native void nDeviceSetConfig(int dev, int param, int value);
67    native int  nContextCreate(int dev, int ver, boolean useDepth);
68    native void nContextDestroy(int con);
69    native void nContextSetSurface(int w, int h, Surface sur);
70    native void nContextSetPriority(int p);
71    native void nContextDump(int bits);
72
73    native void nContextBindRootScript(int script);
74    native void nContextBindSampler(int sampler, int slot);
75    native void nContextBindProgramFragmentStore(int pfs);
76    native void nContextBindProgramFragment(int pf);
77    native void nContextBindProgramVertex(int pf);
78    native void nContextBindProgramRaster(int pr);
79    native void nContextPause();
80    native void nContextResume();
81    native int nContextGetMessage(int[] data, boolean wait);
82    native void nContextInitToClient();
83    native void nContextDeinitToClient();
84
85    native void nAssignName(int obj, byte[] name);
86    native void nObjDestroy(int id);
87    native void nObjDestroyOOB(int id);
88    native int  nFileOpen(byte[] name);
89
90
91    native int  nElementCreate(int type, int kind, boolean norm, int vecSize);
92    native int  nElementCreate2(int[] elements, String[] names);
93
94    native void nTypeBegin(int elementID);
95    native void nTypeAdd(int dim, int val);
96    native int  nTypeCreate();
97    native void nTypeFinalDestroy(Type t);
98    native void nTypeSetupFields(Type t, int[] types, int[] bits, Field[] IDs);
99
100    native int  nAllocationCreateTyped(int type);
101    native int  nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
102    native int  nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
103    native int  nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
104
105    native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
106    native void nAllocationUploadToBufferObject(int alloc);
107
108    native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
109    native void nAllocationSubData1D(int id, int off, int count, short[] d, int sizeBytes);
110    native void nAllocationSubData1D(int id, int off, int count, byte[] d, int sizeBytes);
111    native void nAllocationSubData1D(int id, int off, int count, float[] d, int sizeBytes);
112
113    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, int[] d, int sizeBytes);
114    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, float[] d, int sizeBytes);
115    native void nAllocationRead(int id, int[] d);
116    native void nAllocationRead(int id, float[] d);
117    native void nAllocationSubDataFromObject(int id, Type t, int offset, Object o);
118    native void nAllocationSubReadFromObject(int id, Type t, int offset, Object o);
119
120    native void nAdapter1DBindAllocation(int ad, int alloc);
121    native void nAdapter1DSetConstraint(int ad, int dim, int value);
122    native void nAdapter1DData(int ad, int[] d);
123    native void nAdapter1DData(int ad, float[] d);
124    native void nAdapter1DSubData(int ad, int off, int count, int[] d);
125    native void nAdapter1DSubData(int ad, int off, int count, float[] d);
126    native int  nAdapter1DCreate();
127
128    native void nAdapter2DBindAllocation(int ad, int alloc);
129    native void nAdapter2DSetConstraint(int ad, int dim, int value);
130    native void nAdapter2DData(int ad, int[] d);
131    native void nAdapter2DData(int ad, float[] d);
132    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, int[] d);
133    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, float[] d);
134    native int  nAdapter2DCreate();
135
136    native void nScriptBindAllocation(int script, int alloc, int slot);
137    native void nScriptSetClearColor(int script, float r, float g, float b, float a);
138    native void nScriptSetClearDepth(int script, float depth);
139    native void nScriptSetClearStencil(int script, int stencil);
140    native void nScriptSetTimeZone(int script, byte[] timeZone);
141    native void nScriptSetType(int type, boolean writable, String name, int slot);
142    native void nScriptSetRoot(boolean isRoot);
143    native void nScriptSetInvokable(String name, int slot);
144    native void nScriptInvoke(int id, int slot);
145
146    native void nScriptCBegin();
147    native void nScriptCSetScript(byte[] script, int offset, int length);
148    native int  nScriptCCreate();
149    native void nScriptCAddDefineI32(String name, int value);
150    native void nScriptCAddDefineF(String name, float value);
151
152    native void nSamplerBegin();
153    native void nSamplerSet(int param, int value);
154    native int  nSamplerCreate();
155
156    native void nProgramFragmentStoreBegin(int in, int out);
157    native void nProgramFragmentStoreDepthFunc(int func);
158    native void nProgramFragmentStoreDepthMask(boolean enable);
159    native void nProgramFragmentStoreColorMask(boolean r, boolean g, boolean b, boolean a);
160    native void nProgramFragmentStoreBlendFunc(int src, int dst);
161    native void nProgramFragmentStoreDither(boolean enable);
162    native int  nProgramFragmentStoreCreate();
163
164    native int  nProgramRasterCreate(int in, int out, boolean pointSmooth, boolean lineSmooth, boolean pointSprite);
165    native void nProgramRasterSetLineWidth(int pr, float v);
166    native void nProgramRasterSetPointSize(int pr, float v);
167
168    native void nProgramBindConstants(int pv, int slot, int mID);
169    native void nProgramBindTexture(int vpf, int slot, int a);
170    native void nProgramBindSampler(int vpf, int slot, int s);
171
172    native int  nProgramFragmentCreate(int[] params);
173    native int  nProgramFragmentCreate2(String shader, int[] params);
174
175    native int  nProgramVertexCreate(boolean texMat);
176    native int  nProgramVertexCreate2(String shader, int[] params);
177
178    native void nLightBegin();
179    native void nLightSetIsMono(boolean isMono);
180    native void nLightSetIsLocal(boolean isLocal);
181    native int  nLightCreate();
182    native void nLightSetColor(int l, float r, float g, float b);
183    native void nLightSetPosition(int l, float x, float y, float z);
184
185    native int  nSimpleMeshCreate(int batchID, int idxID, int[] vtxID, int prim);
186    native void nSimpleMeshBindVertex(int id, int alloc, int slot);
187    native void nSimpleMeshBindIndex(int id, int alloc);
188
189    native void nAnimationBegin(int attribCount, int keyframeCount);
190    native void nAnimationAdd(float time, float[] attribs);
191    native int  nAnimationCreate();
192
193    private int     mDev;
194    private int     mContext;
195    @SuppressWarnings({"FieldCanBeLocal"})
196    private Surface mSurface;
197    private MessageThread mMessageThread;
198
199    Element mElement_USER_U8;
200    Element mElement_USER_I8;
201    Element mElement_USER_U16;
202    Element mElement_USER_I16;
203    Element mElement_USER_U32;
204    Element mElement_USER_I32;
205    Element mElement_USER_F32;
206
207    Element mElement_A_8;
208    Element mElement_RGB_565;
209    Element mElement_RGB_888;
210    Element mElement_RGBA_5551;
211    Element mElement_RGBA_4444;
212    Element mElement_RGBA_8888;
213
214    Element mElement_INDEX_16;
215    Element mElement_POSITION_2;
216    Element mElement_POSITION_3;
217    Element mElement_TEXTURE_2;
218    Element mElement_NORMAL_3;
219    Element mElement_COLOR_U8_4;
220    Element mElement_COLOR_F32_4;
221
222    ///////////////////////////////////////////////////////////////////////////////////
223    //
224
225    public static class RSMessage implements Runnable {
226        protected int[] mData;
227        protected int mID;
228        public void run() {
229        }
230    }
231    public RSMessage mMessageCallback = null;
232
233    public enum Priority {
234        LOW (5),     //ANDROID_PRIORITY_BACKGROUND + 5
235        NORMAL (-4);  //ANDROID_PRIORITY_DISPLAY
236
237        int mID;
238        Priority(int id) {
239            mID = id;
240        }
241    }
242
243    void validate() {
244        if (mContext == 0) {
245            throw new IllegalStateException("Calling RS with no Context active.");
246        }
247    }
248
249    public void contextSetPriority(Priority p) {
250        validate();
251        nContextSetPriority(p.mID);
252    }
253
254    private static class MessageThread extends Thread {
255        RenderScript mRS;
256        boolean mRun = true;
257
258        MessageThread(RenderScript rs) {
259            super("RSMessageThread");
260            mRS = rs;
261
262        }
263
264        public void run() {
265            // This function is a temporary solution.  The final solution will
266            // used typed allocations where the message id is the type indicator.
267            int[] rbuf = new int[16];
268            mRS.nContextInitToClient();
269            while(mRun) {
270                int msg = mRS.nContextGetMessage(rbuf, true);
271                if (msg == 0) {
272                    // Should only happen during teardown.
273                    // But we want to avoid starving other threads during
274                    // teardown by yielding until the next line in the destructor
275                    // can execute to set mRun = false
276                    try {
277                        sleep(1, 0);
278                    } catch(InterruptedException e) {
279                    }
280                }
281                if(mRS.mMessageCallback != null) {
282                    mRS.mMessageCallback.mData = rbuf;
283                    mRS.mMessageCallback.mID = msg;
284                    mRS.mMessageCallback.run();
285                }
286                //Log.d(LOG_TAG, "MessageThread msg " + msg + " v1 " + rbuf[0] + " v2 " + rbuf[1] + " v3 " +rbuf[2]);
287            }
288            Log.d(LOG_TAG, "MessageThread exiting.");
289        }
290    }
291
292    public RenderScript(boolean useDepth, boolean forceSW) {
293        mSurface = null;
294        mWidth = 0;
295        mHeight = 0;
296        mDev = nDeviceCreate();
297        if(forceSW) {
298            nDeviceSetConfig(mDev, 0, 1);
299        }
300        mContext = nContextCreate(mDev, 0, useDepth);
301        mMessageThread = new MessageThread(this);
302        mMessageThread.start();
303        Element.initPredefined(this);
304    }
305
306    public void contextSetSurface(int w, int h, Surface sur) {
307        mSurface = sur;
308        mWidth = w;
309        mHeight = h;
310        validate();
311        nContextSetSurface(w, h, mSurface);
312    }
313
314    public void contextDump(int bits) {
315        validate();
316        nContextDump(bits);
317    }
318
319    public void destroy() {
320        validate();
321        nContextDeinitToClient();
322        mMessageThread.mRun = false;
323
324        nContextDestroy(mContext);
325        mContext = 0;
326
327        nDeviceDestroy(mDev);
328        mDev = 0;
329    }
330
331    boolean isAlive() {
332        return mContext != 0;
333    }
334
335    void pause() {
336        validate();
337        nContextPause();
338    }
339
340    void resume() {
341        validate();
342        nContextResume();
343    }
344
345    //////////////////////////////////////////////////////////////////////////////////
346    // File
347
348    public class File extends BaseObj {
349        File(int id) {
350            super(RenderScript.this);
351            mID = id;
352        }
353    }
354
355    public File fileOpen(String s) throws IllegalStateException, IllegalArgumentException
356    {
357        if(s.length() < 1) {
358            throw new IllegalArgumentException("fileOpen does not accept a zero length string.");
359        }
360
361        try {
362            byte[] bytes = s.getBytes("UTF-8");
363            int id = nFileOpen(bytes);
364            return new File(id);
365        } catch (java.io.UnsupportedEncodingException e) {
366            throw new RuntimeException(e);
367        }
368    }
369
370
371    ///////////////////////////////////////////////////////////////////////////////////
372    // Root state
373
374    private int safeID(BaseObj o) {
375        if(o != null) {
376            return o.mID;
377        }
378        return 0;
379    }
380
381    public void contextBindRootScript(Script s) {
382        validate();
383        nContextBindRootScript(safeID(s));
384    }
385
386    public void contextBindProgramFragmentStore(ProgramStore p) {
387        validate();
388        nContextBindProgramFragmentStore(safeID(p));
389    }
390
391    public void contextBindProgramFragment(ProgramFragment p) {
392        validate();
393        nContextBindProgramFragment(safeID(p));
394    }
395
396    public void contextBindProgramRaster(ProgramRaster p) {
397        validate();
398        nContextBindProgramRaster(safeID(p));
399    }
400
401    public void contextBindProgramVertex(ProgramVertex p) {
402        validate();
403        nContextBindProgramVertex(safeID(p));
404    }
405
406}
407
408
409