RenderScript.java revision 516c31911578db8ce53529483c3ded918ac7dc6b 
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 = "libRS_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
38
39
40     /*
41     * We use a class initializer to allow the native code to cache some
42     * field offsets.
43     */
44    @SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"})
45    private static boolean sInitialized;
46    native private static void _nInit();
47
48
49    static {
50        sInitialized = false;
51        try {
52            System.loadLibrary("rs_jni");
53            _nInit();
54            sInitialized = true;
55        } catch (UnsatisfiedLinkError e) {
56            Log.d(LOG_TAG, "RenderScript JNI library not found!");
57        }
58    }
59
60    native void nInitElements(int a8, int rgba4444, int rgba8888, int rgb565);
61
62    native int  nDeviceCreate();
63    native void nDeviceDestroy(int dev);
64    native void nDeviceSetConfig(int dev, int param, int value);
65    native int  nContextCreate(int dev, Surface sur, int ver, boolean useDepth);
66    native void nContextDestroy(int con);
67
68    native void nContextBindRootScript(int script);
69    native void nContextBindSampler(int sampler, int slot);
70    native void nContextBindProgramFragmentStore(int pfs);
71    native void nContextBindProgramFragment(int pf);
72    native void nContextBindProgramVertex(int pf);
73    native void nContextBindProgramRaster(int pr);
74    native void nContextAddDefineI32(String name, int value);
75    native void nContextAddDefineF(String name, float value);
76    native void nContextPause();
77    native void nContextResume();
78    native int nContextGetMessage(int[] data, boolean wait);
79    native void nContextInitToClient();
80    native void nContextDeinitToClient();
81
82    native void nAssignName(int obj, byte[] name);
83    native void nObjDestroy(int id);
84    native void nObjDestroyOOB(int id);
85    native int  nFileOpen(byte[] name);
86
87    native void nElementBegin();
88    native void nElementAdd(int kind, int type, boolean norm, int bits, String s);
89    native int  nElementCreate();
90
91    native void nTypeBegin(int elementID);
92    native void nTypeAdd(int dim, int val);
93    native int  nTypeCreate();
94    native void nTypeFinalDestroy(Type t);
95    native void nTypeSetupFields(Type t, int[] types, int[] bits, Field[] IDs);
96
97    native int  nAllocationCreateTyped(int type);
98    native int  nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
99    native int  nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
100    native int  nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
101
102    native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
103    native void nAllocationUploadToBufferObject(int alloc);
104
105    native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
106    native void nAllocationSubData1D(int id, int off, int count, short[] d, int sizeBytes);
107    native void nAllocationSubData1D(int id, int off, int count, byte[] d, int sizeBytes);
108    native void nAllocationSubData1D(int id, int off, int count, float[] d, int sizeBytes);
109
110    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, int[] d, int sizeBytes);
111    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, float[] d, int sizeBytes);
112    native void nAllocationRead(int id, int[] d);
113    native void nAllocationRead(int id, float[] d);
114    native void nAllocationSubDataFromObject(int id, Type t, int offset, Object o);
115    native void nAllocationSubReadFromObject(int id, Type t, int offset, Object o);
116
117    native void nAdapter1DBindAllocation(int ad, int alloc);
118    native void nAdapter1DSetConstraint(int ad, int dim, int value);
119    native void nAdapter1DData(int ad, int[] d);
120    native void nAdapter1DData(int ad, float[] d);
121    native void nAdapter1DSubData(int ad, int off, int count, int[] d);
122    native void nAdapter1DSubData(int ad, int off, int count, float[] d);
123    native int  nAdapter1DCreate();
124
125    native void nAdapter2DBindAllocation(int ad, int alloc);
126    native void nAdapter2DSetConstraint(int ad, int dim, int value);
127    native void nAdapter2DData(int ad, int[] d);
128    native void nAdapter2DData(int ad, float[] d);
129    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, int[] d);
130    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, float[] d);
131    native int  nAdapter2DCreate();
132
133    native void nScriptBindAllocation(int script, int alloc, int slot);
134    native void nScriptSetClearColor(int script, float r, float g, float b, float a);
135    native void nScriptSetClearDepth(int script, float depth);
136    native void nScriptSetClearStencil(int script, int stencil);
137    native void nScriptSetTimeZone(int script, byte[] timeZone);
138    native void nScriptSetType(int type, boolean writable, String name, int slot);
139    native void nScriptSetRoot(boolean isRoot);
140    native void nScriptSetInvokable(String name, int slot);
141    native void nScriptInvoke(int id, int slot);
142
143    native void nScriptCBegin();
144    native void nScriptCSetScript(byte[] script, int offset, int length);
145    native int  nScriptCCreate();
146    native void nScriptCAddDefineI32(String name, int value);
147    native void nScriptCAddDefineF(String name, float value);
148
149    native void nSamplerBegin();
150    native void nSamplerSet(int param, int value);
151    native int  nSamplerCreate();
152
153    native void nProgramFragmentStoreBegin(int in, int out);
154    native void nProgramFragmentStoreDepthFunc(int func);
155    native void nProgramFragmentStoreDepthMask(boolean enable);
156    native void nProgramFragmentStoreColorMask(boolean r, boolean g, boolean b, boolean a);
157    native void nProgramFragmentStoreBlendFunc(int src, int dst);
158    native void nProgramFragmentStoreDither(boolean enable);
159    native int  nProgramFragmentStoreCreate();
160
161    native int  nProgramRasterCreate(int in, int out, boolean pointSmooth, boolean lineSmooth, boolean pointSprite);
162    native void nProgramRasterSetLineWidth(int pr, float v);
163    native void nProgramRasterSetPointSize(int pr, float v);
164
165    native void nProgramFragmentBegin(int in, int out, boolean pointSpriteEnable);
166    native void nProgramFragmentBindTexture(int vpf, int slot, int a);
167    native void nProgramFragmentBindSampler(int vpf, int slot, int s);
168    native void nProgramFragmentSetSlot(int slot, boolean enable, int env, int vt);
169    native int  nProgramFragmentCreate();
170
171    native void nProgramVertexBindAllocation(int pv, int mID);
172    native void nProgramVertexBegin(int inID, int outID);
173    native void nProgramVertexSetTextureMatrixEnable(boolean enable);
174    native void nProgramVertexAddLight(int id);
175    native int  nProgramVertexCreate();
176
177    native void nLightBegin();
178    native void nLightSetIsMono(boolean isMono);
179    native void nLightSetIsLocal(boolean isLocal);
180    native int  nLightCreate();
181    native void nLightSetColor(int l, float r, float g, float b);
182    native void nLightSetPosition(int l, float x, float y, float z);
183
184    native int  nSimpleMeshCreate(int batchID, int idxID, int[] vtxID, int prim);
185    native void nSimpleMeshBindVertex(int id, int alloc, int slot);
186    native void nSimpleMeshBindIndex(int id, int alloc);
187
188    native void nAnimationBegin(int attribCount, int keyframeCount);
189    native void nAnimationAdd(float time, float[] attribs);
190    native int  nAnimationCreate();
191
192    private int     mDev;
193    private int     mContext;
194    @SuppressWarnings({"FieldCanBeLocal"})
195    private Surface mSurface;
196    private MessageThread mMessageThread;
197
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_FLOAT;
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_XY_F32;
216    Element mElement_XYZ_F32;
217
218    ///////////////////////////////////////////////////////////////////////////////////
219    //
220
221    public static class RSMessage implements Runnable {
222        protected int[] mData;
223        protected int mID;
224        public void run() {
225        }
226    }
227    public RSMessage mMessageCallback = null;
228
229    private static class MessageThread extends Thread {
230        RenderScript mRS;
231        boolean mRun = true;
232
233        MessageThread(RenderScript rs) {
234            super("RSMessageThread");
235            mRS = rs;
236
237        }
238
239        public void run() {
240            // This function is a temporary solution.  The final solution will
241            // used typed allocations where the message id is the type indicator.
242            int[] rbuf = new int[16];
243            mRS.nContextInitToClient();
244            while(mRun) {
245                int msg = mRS.nContextGetMessage(rbuf, true);
246                if (msg == 0) {
247                    // Should only happen during teardown.
248                    // But we want to avoid starving other threads during
249                    // teardown by yielding until the next line in the destructor
250                    // can execute to set mRun = false
251                    try {
252                        sleep(1, 0);
253                    } catch(InterruptedException e) {
254                    }
255                }
256                if(mRS.mMessageCallback != null) {
257                    mRS.mMessageCallback.mData = rbuf;
258                    mRS.mMessageCallback.mID = msg;
259                    mRS.mMessageCallback.run();
260                }
261                //Log.d("rs", "MessageThread msg " + msg + " v1 " + rbuf[0] + " v2 " + rbuf[1] + " v3 " +rbuf[2]);
262            }
263            Log.d("rs", "MessageThread exiting.");
264        }
265    }
266
267    public RenderScript(Surface sur, boolean useDepth, boolean forceSW) {
268        mSurface = sur;
269        mDev = nDeviceCreate();
270        if(forceSW) {
271            nDeviceSetConfig(mDev, 0, 1);
272        }
273        mContext = nContextCreate(mDev, mSurface, 0, useDepth);
274        Element.initPredefined(this);
275        mMessageThread = new MessageThread(this);
276        mMessageThread.start();
277    }
278
279    public void destroy() {
280        nContextDeinitToClient();
281        mMessageThread.mRun = false;
282
283        nContextDestroy(mContext);
284        mContext = 0;
285
286        nDeviceDestroy(mDev);
287        mDev = 0;
288    }
289
290    boolean isAlive() {
291        return mContext != 0;
292    }
293
294    void pause() {
295        nContextPause();
296    }
297
298    void resume() {
299        nContextResume();
300    }
301
302    //////////////////////////////////////////////////////////////////////////////////
303    // File
304
305    public class File extends BaseObj {
306        File(int id) {
307            super(RenderScript.this);
308            mID = id;
309        }
310    }
311
312    public File fileOpen(String s) throws IllegalStateException, IllegalArgumentException
313    {
314        if(s.length() < 1) {
315            throw new IllegalArgumentException("fileOpen does not accept a zero length string.");
316        }
317
318        try {
319            byte[] bytes = s.getBytes("UTF-8");
320            int id = nFileOpen(bytes);
321            return new File(id);
322        } catch (java.io.UnsupportedEncodingException e) {
323            throw new RuntimeException(e);
324        }
325    }
326
327
328    ///////////////////////////////////////////////////////////////////////////////////
329    // Root state
330
331    private int safeID(BaseObj o) {
332        if(o != null) {
333            return o.mID;
334        }
335        return 0;
336    }
337
338    public void contextBindRootScript(Script s) {
339        nContextBindRootScript(safeID(s));
340    }
341
342    public void contextBindProgramFragmentStore(ProgramStore p) {
343        nContextBindProgramFragmentStore(safeID(p));
344    }
345
346    public void contextBindProgramFragment(ProgramFragment p) {
347        nContextBindProgramFragment(safeID(p));
348    }
349
350    public void contextBindProgramRaster(ProgramRaster p) {
351        nContextBindProgramRaster(safeID(p));
352    }
353
354    public void contextBindProgramVertex(ProgramVertex p) {
355        nContextBindProgramVertex(safeID(p));
356    }
357
358}
359
360
361