RenderScript.java revision a9e7a05b84470257637c97d65f6562aa832c66ef 
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
79    native void nAssignName(int obj, byte[] name);
80    native void nObjDestroy(int id);
81    native void nObjDestroyOOB(int id);
82    native int  nFileOpen(byte[] name);
83
84    native void nElementBegin();
85    native void nElementAdd(int kind, int type, boolean norm, int bits, String s);
86    native int  nElementCreate();
87
88    native void nTypeBegin(int elementID);
89    native void nTypeAdd(int dim, int val);
90    native int  nTypeCreate();
91    native void nTypeFinalDestroy(Type t);
92    native void nTypeSetupFields(Type t, int[] types, int[] bits, Field[] IDs);
93
94    native int  nAllocationCreateTyped(int type);
95    native int  nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
96    native int  nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
97    native int  nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
98
99    native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
100    native void nAllocationUploadToBufferObject(int alloc);
101
102    native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
103    native void nAllocationSubData1D(int id, int off, int count, short[] d, int sizeBytes);
104    native void nAllocationSubData1D(int id, int off, int count, byte[] d, int sizeBytes);
105    native void nAllocationSubData1D(int id, int off, int count, float[] d, int sizeBytes);
106
107    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, int[] d, int sizeBytes);
108    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, float[] d, int sizeBytes);
109    native void nAllocationRead(int id, int[] d);
110    native void nAllocationRead(int id, float[] d);
111    native void nAllocationSubDataFromObject(int id, Type t, int offset, Object o);
112    native void nAllocationSubReadFromObject(int id, Type t, int offset, Object o);
113
114    native void nAdapter1DBindAllocation(int ad, int alloc);
115    native void nAdapter1DSetConstraint(int ad, int dim, int value);
116    native void nAdapter1DData(int ad, int[] d);
117    native void nAdapter1DData(int ad, float[] d);
118    native void nAdapter1DSubData(int ad, int off, int count, int[] d);
119    native void nAdapter1DSubData(int ad, int off, int count, float[] d);
120    native int  nAdapter1DCreate();
121
122    native void nAdapter2DBindAllocation(int ad, int alloc);
123    native void nAdapter2DSetConstraint(int ad, int dim, int value);
124    native void nAdapter2DData(int ad, int[] d);
125    native void nAdapter2DData(int ad, float[] d);
126    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, int[] d);
127    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, float[] d);
128    native int  nAdapter2DCreate();
129
130    native void nScriptBindAllocation(int script, int alloc, int slot);
131    native void nScriptSetClearColor(int script, float r, float g, float b, float a);
132    native void nScriptSetClearDepth(int script, float depth);
133    native void nScriptSetClearStencil(int script, int stencil);
134    native void nScriptSetTimeZone(int script, byte[] timeZone);
135    native void nScriptSetType(int type, boolean writable, String name, int slot);
136    native void nScriptSetRoot(boolean isRoot);
137    native void nScriptSetInvokable(String name, int slot);
138    native void nScriptInvoke(int id, int slot);
139
140    native void nScriptCBegin();
141    native void nScriptCSetScript(byte[] script, int offset, int length);
142    native int  nScriptCCreate();
143    native void nScriptCAddDefineI32(String name, int value);
144    native void nScriptCAddDefineF(String name, float value);
145
146    native void nSamplerBegin();
147    native void nSamplerSet(int param, int value);
148    native int  nSamplerCreate();
149
150    native void nProgramFragmentStoreBegin(int in, int out);
151    native void nProgramFragmentStoreDepthFunc(int func);
152    native void nProgramFragmentStoreDepthMask(boolean enable);
153    native void nProgramFragmentStoreColorMask(boolean r, boolean g, boolean b, boolean a);
154    native void nProgramFragmentStoreBlendFunc(int src, int dst);
155    native void nProgramFragmentStoreDither(boolean enable);
156    native int  nProgramFragmentStoreCreate();
157
158    native int  nProgramRasterCreate(int in, int out, boolean pointSmooth, boolean lineSmooth, boolean pointSprite);
159    native void nProgramRasterSetLineWidth(int pr, float v);
160    native void nProgramRasterSetPointSize(int pr, float v);
161
162    native void nProgramFragmentBegin(int in, int out, boolean pointSpriteEnable);
163    native void nProgramFragmentBindTexture(int vpf, int slot, int a);
164    native void nProgramFragmentBindSampler(int vpf, int slot, int s);
165    native void nProgramFragmentSetSlot(int slot, boolean enable, int env, int vt);
166    native int  nProgramFragmentCreate();
167
168    native void nProgramVertexBindAllocation(int pv, int mID);
169    native void nProgramVertexBegin(int inID, int outID);
170    native void nProgramVertexSetTextureMatrixEnable(boolean enable);
171    native void nProgramVertexAddLight(int id);
172    native int  nProgramVertexCreate();
173
174    native void nLightBegin();
175    native void nLightSetIsMono(boolean isMono);
176    native void nLightSetIsLocal(boolean isLocal);
177    native int  nLightCreate();
178    native void nLightSetColor(int l, float r, float g, float b);
179    native void nLightSetPosition(int l, float x, float y, float z);
180
181    native int  nSimpleMeshCreate(int batchID, int idxID, int[] vtxID, int prim);
182    native void nSimpleMeshBindVertex(int id, int alloc, int slot);
183    native void nSimpleMeshBindIndex(int id, int alloc);
184
185    native void nAnimationBegin(int attribCount, int keyframeCount);
186    native void nAnimationAdd(float time, float[] attribs);
187    native int  nAnimationCreate();
188
189    private int     mDev;
190    private int     mContext;
191    @SuppressWarnings({"FieldCanBeLocal"})
192    private Surface mSurface;
193
194    private static boolean mElementsInitialized = false;
195
196    ///////////////////////////////////////////////////////////////////////////////////
197    //
198
199    public RenderScript(Surface sur, boolean useDepth, boolean forceSW) {
200        mSurface = sur;
201        mDev = nDeviceCreate();
202        if(forceSW) {
203            nDeviceSetConfig(mDev, 0, 1);
204        }
205        mContext = nContextCreate(mDev, mSurface, 0, useDepth);
206
207        // TODO: This should be protected by a lock
208        if(!mElementsInitialized) {
209            Element.initPredefined(this);
210            mElementsInitialized = true;
211        }
212    }
213
214    public void destroy() {
215        nContextDestroy(mContext);
216        mContext = 0;
217
218        nDeviceDestroy(mDev);
219        mDev = 0;
220    }
221
222    boolean isAlive() {
223        return mContext != 0;
224    }
225
226    void pause() {
227        nContextPause();
228    }
229
230    void resume() {
231        nContextResume();
232    }
233
234    //////////////////////////////////////////////////////////////////////////////////
235    // File
236
237    public class File extends BaseObj {
238        File(int id) {
239            super(RenderScript.this);
240            mID = id;
241        }
242    }
243
244    public File fileOpen(String s) throws IllegalStateException, IllegalArgumentException
245    {
246        if(s.length() < 1) {
247            throw new IllegalArgumentException("fileOpen does not accept a zero length string.");
248        }
249
250        try {
251            byte[] bytes = s.getBytes("UTF-8");
252            int id = nFileOpen(bytes);
253            return new File(id);
254        } catch (java.io.UnsupportedEncodingException e) {
255            throw new RuntimeException(e);
256        }
257    }
258
259
260    ///////////////////////////////////////////////////////////////////////////////////
261    // Root state
262
263    private int safeID(BaseObj o) {
264        if(o != null) {
265            return o.mID;
266        }
267        return 0;
268    }
269
270    public void contextBindRootScript(Script s) {
271        nContextBindRootScript(safeID(s));
272    }
273
274    public void contextBindProgramFragmentStore(ProgramStore p) {
275        nContextBindProgramFragmentStore(safeID(p));
276    }
277
278    public void contextBindProgramFragment(ProgramFragment p) {
279        nContextBindProgramFragment(safeID(p));
280    }
281
282    public void contextBindProgramRaster(ProgramRaster p) {
283        nContextBindProgramRaster(safeID(p));
284    }
285
286    public void contextBindProgramVertex(ProgramVertex p) {
287        nContextBindProgramVertex(safeID(p));
288    }
289
290}
291
292
293