RenderScript.java revision 68afd01ec9fd37774d8291192952a25e5605b6fb 
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 nContextAddDefineI32(String name, int value);
80    native void nContextAddDefineF(String name, float value);
81    native void nContextPause();
82    native void nContextResume();
83    native int nContextGetMessage(int[] data, boolean wait);
84    native void nContextInitToClient();
85    native void nContextDeinitToClient();
86
87    native void nAssignName(int obj, byte[] name);
88    native void nObjDestroy(int id);
89    native void nObjDestroyOOB(int id);
90    native int  nFileOpen(byte[] name);
91
92    native void nElementBegin();
93    native void nElementAdd(int kind, int type, boolean norm, int bits, String s);
94    native int  nElementCreate();
95
96    native void nTypeBegin(int elementID);
97    native void nTypeAdd(int dim, int val);
98    native int  nTypeCreate();
99    native void nTypeFinalDestroy(Type t);
100    native void nTypeSetupFields(Type t, int[] types, int[] bits, Field[] IDs);
101
102    native int  nAllocationCreateTyped(int type);
103    native int  nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
104    native int  nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
105    native int  nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
106
107    native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
108    native void nAllocationUploadToBufferObject(int alloc);
109
110    native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
111    native void nAllocationSubData1D(int id, int off, int count, short[] d, int sizeBytes);
112    native void nAllocationSubData1D(int id, int off, int count, byte[] d, int sizeBytes);
113    native void nAllocationSubData1D(int id, int off, int count, float[] d, int sizeBytes);
114
115    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, int[] d, int sizeBytes);
116    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, float[] d, int sizeBytes);
117    native void nAllocationRead(int id, int[] d);
118    native void nAllocationRead(int id, float[] d);
119    native void nAllocationSubDataFromObject(int id, Type t, int offset, Object o);
120    native void nAllocationSubReadFromObject(int id, Type t, int offset, Object o);
121
122    native void nAdapter1DBindAllocation(int ad, int alloc);
123    native void nAdapter1DSetConstraint(int ad, int dim, int value);
124    native void nAdapter1DData(int ad, int[] d);
125    native void nAdapter1DData(int ad, float[] d);
126    native void nAdapter1DSubData(int ad, int off, int count, int[] d);
127    native void nAdapter1DSubData(int ad, int off, int count, float[] d);
128    native int  nAdapter1DCreate();
129
130    native void nAdapter2DBindAllocation(int ad, int alloc);
131    native void nAdapter2DSetConstraint(int ad, int dim, int value);
132    native void nAdapter2DData(int ad, int[] d);
133    native void nAdapter2DData(int ad, float[] d);
134    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, int[] d);
135    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, float[] d);
136    native int  nAdapter2DCreate();
137
138    native void nScriptBindAllocation(int script, int alloc, int slot);
139    native void nScriptSetClearColor(int script, float r, float g, float b, float a);
140    native void nScriptSetClearDepth(int script, float depth);
141    native void nScriptSetClearStencil(int script, int stencil);
142    native void nScriptSetTimeZone(int script, byte[] timeZone);
143    native void nScriptSetType(int type, boolean writable, String name, int slot);
144    native void nScriptSetRoot(boolean isRoot);
145    native void nScriptSetInvokable(String name, int slot);
146    native void nScriptInvoke(int id, int slot);
147
148    native void nScriptCBegin();
149    native void nScriptCSetScript(byte[] script, int offset, int length);
150    native int  nScriptCCreate();
151    native void nScriptCAddDefineI32(String name, int value);
152    native void nScriptCAddDefineF(String name, float value);
153
154    native void nSamplerBegin();
155    native void nSamplerSet(int param, int value);
156    native int  nSamplerCreate();
157
158    native void nProgramFragmentStoreBegin(int in, int out);
159    native void nProgramFragmentStoreDepthFunc(int func);
160    native void nProgramFragmentStoreDepthMask(boolean enable);
161    native void nProgramFragmentStoreColorMask(boolean r, boolean g, boolean b, boolean a);
162    native void nProgramFragmentStoreBlendFunc(int src, int dst);
163    native void nProgramFragmentStoreDither(boolean enable);
164    native int  nProgramFragmentStoreCreate();
165
166    native int  nProgramRasterCreate(int in, int out, boolean pointSmooth, boolean lineSmooth, boolean pointSprite);
167    native void nProgramRasterSetLineWidth(int pr, float v);
168    native void nProgramRasterSetPointSize(int pr, float v);
169
170    native void nProgramBindConstants(int pv, int slot, int mID);
171    native void nProgramBindTexture(int vpf, int slot, int a);
172    native void nProgramBindSampler(int vpf, int slot, int s);
173
174    native int  nProgramFragmentCreate(int[] params);
175    native int  nProgramFragmentCreate2(String shader, int[] params);
176
177    native int  nProgramVertexCreate(boolean texMat);
178    native int  nProgramVertexCreate2(String shader, int[] params);
179
180    native void nLightBegin();
181    native void nLightSetIsMono(boolean isMono);
182    native void nLightSetIsLocal(boolean isLocal);
183    native int  nLightCreate();
184    native void nLightSetColor(int l, float r, float g, float b);
185    native void nLightSetPosition(int l, float x, float y, float z);
186
187    native int  nSimpleMeshCreate(int batchID, int idxID, int[] vtxID, int prim);
188    native void nSimpleMeshBindVertex(int id, int alloc, int slot);
189    native void nSimpleMeshBindIndex(int id, int alloc);
190
191    native void nAnimationBegin(int attribCount, int keyframeCount);
192    native void nAnimationAdd(float time, float[] attribs);
193    native int  nAnimationCreate();
194
195    private int     mDev;
196    private int     mContext;
197    @SuppressWarnings({"FieldCanBeLocal"})
198    private Surface mSurface;
199    private MessageThread mMessageThread;
200
201
202    Element mElement_USER_U8;
203    Element mElement_USER_I8;
204    Element mElement_USER_U16;
205    Element mElement_USER_I16;
206    Element mElement_USER_U32;
207    Element mElement_USER_I32;
208    Element mElement_USER_FLOAT;
209
210    Element mElement_A_8;
211    Element mElement_RGB_565;
212    Element mElement_RGB_888;
213    Element mElement_RGBA_5551;
214    Element mElement_RGBA_4444;
215    Element mElement_RGBA_8888;
216
217    Element mElement_INDEX_16;
218    Element mElement_XY_F32;
219    Element mElement_XYZ_F32;
220
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    void validateSurface() {
250        //if (mSurface == null) {
251            //throw new IllegalStateException("Uploading data to GL with no surface.");
252        //}
253    }
254
255    public void contextSetPriority(Priority p) {
256        nContextSetPriority(p.mID);
257    }
258
259    private static class MessageThread extends Thread {
260        RenderScript mRS;
261        boolean mRun = true;
262
263        MessageThread(RenderScript rs) {
264            super("RSMessageThread");
265            mRS = rs;
266
267        }
268
269        public void run() {
270            // This function is a temporary solution.  The final solution will
271            // used typed allocations where the message id is the type indicator.
272            int[] rbuf = new int[16];
273            mRS.nContextInitToClient();
274            while(mRun) {
275                int msg = mRS.nContextGetMessage(rbuf, true);
276                if (msg == 0) {
277                    // Should only happen during teardown.
278                    // But we want to avoid starving other threads during
279                    // teardown by yielding until the next line in the destructor
280                    // can execute to set mRun = false
281                    try {
282                        sleep(1, 0);
283                    } catch(InterruptedException e) {
284                    }
285                }
286                if(mRS.mMessageCallback != null) {
287                    mRS.mMessageCallback.mData = rbuf;
288                    mRS.mMessageCallback.mID = msg;
289                    mRS.mMessageCallback.run();
290                }
291                //Log.d(LOG_TAG, "MessageThread msg " + msg + " v1 " + rbuf[0] + " v2 " + rbuf[1] + " v3 " +rbuf[2]);
292            }
293            Log.d(LOG_TAG, "MessageThread exiting.");
294        }
295    }
296
297    public RenderScript(boolean useDepth, boolean forceSW) {
298        mSurface = null;
299        mWidth = 0;
300        mHeight = 0;
301        mDev = nDeviceCreate();
302        if(forceSW) {
303            nDeviceSetConfig(mDev, 0, 1);
304        }
305        mContext = nContextCreate(mDev, 0, useDepth);
306        Element.initPredefined(this);
307        mMessageThread = new MessageThread(this);
308        mMessageThread.start();
309    }
310
311    public void contextSetSurface(int w, int h, Surface sur) {
312        mSurface = sur;
313        mWidth = w;
314        mHeight = h;
315        nContextSetSurface(w, h, mSurface);
316    }
317
318    public void contextDump(int bits) {
319        nContextDump(bits);
320    }
321
322    public void destroy() {
323        nContextDeinitToClient();
324        mMessageThread.mRun = false;
325
326        nContextDestroy(mContext);
327        mContext = 0;
328
329        nDeviceDestroy(mDev);
330        mDev = 0;
331    }
332
333    boolean isAlive() {
334        return mContext != 0;
335    }
336
337    void pause() {
338        nContextPause();
339    }
340
341    void resume() {
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        nContextBindRootScript(safeID(s));
383    }
384
385    public void contextBindProgramFragmentStore(ProgramStore p) {
386        nContextBindProgramFragmentStore(safeID(p));
387    }
388
389    public void contextBindProgramFragment(ProgramFragment p) {
390        nContextBindProgramFragment(safeID(p));
391    }
392
393    public void contextBindProgramRaster(ProgramRaster p) {
394        nContextBindProgramRaster(safeID(p));
395    }
396
397    public void contextBindProgramVertex(ProgramVertex p) {
398        nContextBindProgramVertex(safeID(p));
399    }
400
401}
402
403
404