RenderScript.java revision 6b9dec00afec359f091ed353f371f08ff150278a 
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
77    native void nAssignName(int obj, byte[] name);
78    native void nObjDestroy(int id);
79    native void nObjDestroyOOB(int id);
80    native int  nFileOpen(byte[] name);
81
82    native void nElementBegin();
83    native void nElementAdd(int kind, int type, boolean norm, int bits, String s);
84    native int  nElementCreate();
85
86    native void nTypeBegin(int elementID);
87    native void nTypeAdd(int dim, int val);
88    native int  nTypeCreate();
89    native void nTypeFinalDestroy(Type t);
90    native void nTypeSetupFields(Type t, int[] types, int[] bits, Field[] IDs);
91
92    native int  nAllocationCreateTyped(int type);
93    native int  nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
94    native int  nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
95    native int  nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
96
97    native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
98    native void nAllocationUploadToBufferObject(int alloc);
99
100    native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
101    native void nAllocationSubData1D(int id, int off, int count, short[] d, int sizeBytes);
102    native void nAllocationSubData1D(int id, int off, int count, byte[] d, int sizeBytes);
103    native void nAllocationSubData1D(int id, int off, int count, float[] d, int sizeBytes);
104
105    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, int[] d, int sizeBytes);
106    native void nAllocationSubData2D(int id, int xoff, int yoff, int w, int h, float[] d, int sizeBytes);
107    native void nAllocationRead(int id, int[] d);
108    native void nAllocationRead(int id, float[] d);
109    native void nAllocationSubDataFromObject(int id, Type t, int offset, Object o);
110    native void nAllocationSubReadFromObject(int id, Type t, int offset, Object o);
111
112    native void nAdapter1DBindAllocation(int ad, int alloc);
113    native void nAdapter1DSetConstraint(int ad, int dim, int value);
114    native void nAdapter1DData(int ad, int[] d);
115    native void nAdapter1DData(int ad, float[] d);
116    native void nAdapter1DSubData(int ad, int off, int count, int[] d);
117    native void nAdapter1DSubData(int ad, int off, int count, float[] d);
118    native int  nAdapter1DCreate();
119
120    native void nAdapter2DBindAllocation(int ad, int alloc);
121    native void nAdapter2DSetConstraint(int ad, int dim, int value);
122    native void nAdapter2DData(int ad, int[] d);
123    native void nAdapter2DData(int ad, float[] d);
124    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, int[] d);
125    native void nAdapter2DSubData(int ad, int xoff, int yoff, int w, int h, float[] d);
126    native int  nAdapter2DCreate();
127
128    native void nScriptBindAllocation(int script, int alloc, int slot);
129    native void nScriptSetClearColor(int script, float r, float g, float b, float a);
130    native void nScriptSetClearDepth(int script, float depth);
131    native void nScriptSetClearStencil(int script, int stencil);
132    native void nScriptSetTimeZone(int script, byte[] timeZone);
133    native void nScriptSetType(int type, boolean writable, String name, int slot);
134    native void nScriptSetRoot(boolean isRoot);
135    native void nScriptSetInvokable(String name, int slot);
136    native void nScriptInvoke(int id, int slot);
137
138    native void nScriptCBegin();
139    native void nScriptCSetScript(byte[] script, int offset, int length);
140    native int  nScriptCCreate();
141    native void nScriptCAddDefineI32(String name, int value);
142    native void nScriptCAddDefineF(String name, float value);
143
144    native void nSamplerBegin();
145    native void nSamplerSet(int param, int value);
146    native int  nSamplerCreate();
147
148    native void nProgramFragmentStoreBegin(int in, int out);
149    native void nProgramFragmentStoreDepthFunc(int func);
150    native void nProgramFragmentStoreDepthMask(boolean enable);
151    native void nProgramFragmentStoreColorMask(boolean r, boolean g, boolean b, boolean a);
152    native void nProgramFragmentStoreBlendFunc(int src, int dst);
153    native void nProgramFragmentStoreDither(boolean enable);
154    native int  nProgramFragmentStoreCreate();
155
156    native int  nProgramRasterCreate(int in, int out, boolean pointSmooth, boolean lineSmooth, boolean pointSprite);
157    native void nProgramRasterSetLineWidth(int pr, float v);
158    native void nProgramRasterSetPointSize(int pr, float v);
159
160    native void nProgramFragmentBegin(int in, int out, boolean pointSpriteEnable);
161    native void nProgramFragmentBindTexture(int vpf, int slot, int a);
162    native void nProgramFragmentBindSampler(int vpf, int slot, int s);
163    native void nProgramFragmentSetSlot(int slot, boolean enable, int env, int vt);
164    native int  nProgramFragmentCreate();
165
166    native void nProgramVertexBindAllocation(int pv, int mID);
167    native void nProgramVertexBegin(int inID, int outID);
168    native void nProgramVertexSetTextureMatrixEnable(boolean enable);
169    native void nProgramVertexAddLight(int id);
170    native int  nProgramVertexCreate();
171
172    native void nLightBegin();
173    native void nLightSetIsMono(boolean isMono);
174    native void nLightSetIsLocal(boolean isLocal);
175    native int  nLightCreate();
176    native void nLightSetColor(int l, float r, float g, float b);
177    native void nLightSetPosition(int l, float x, float y, float z);
178
179    native int  nSimpleMeshCreate(int batchID, int idxID, int[] vtxID, int prim);
180    native void nSimpleMeshBindVertex(int id, int alloc, int slot);
181    native void nSimpleMeshBindIndex(int id, int alloc);
182
183    native void nAnimationBegin(int attribCount, int keyframeCount);
184    native void nAnimationAdd(float time, float[] attribs);
185    native int  nAnimationCreate();
186
187    private int     mDev;
188    private int     mContext;
189    @SuppressWarnings({"FieldCanBeLocal"})
190    private Surface mSurface;
191
192    private static boolean mElementsInitialized = false;
193
194    ///////////////////////////////////////////////////////////////////////////////////
195    //
196
197    public RenderScript(Surface sur, boolean useDepth, boolean forceSW) {
198        mSurface = sur;
199        mDev = nDeviceCreate();
200        if(forceSW) {
201            nDeviceSetConfig(mDev, 0, 1);
202        }
203        mContext = nContextCreate(mDev, mSurface, 0, useDepth);
204
205        // TODO: This should be protected by a lock
206        if(!mElementsInitialized) {
207            Element.initPredefined(this);
208            mElementsInitialized = true;
209        }
210    }
211
212    public void destroy() {
213        nContextDestroy(mContext);
214        mContext = 0;
215
216        nDeviceDestroy(mDev);
217        mDev = 0;
218    }
219
220    //////////////////////////////////////////////////////////////////////////////////
221    // File
222
223    public class File extends BaseObj {
224        File(int id) {
225            super(RenderScript.this);
226            mID = id;
227        }
228    }
229
230    public File fileOpen(String s) throws IllegalStateException, IllegalArgumentException
231    {
232        if(s.length() < 1) {
233            throw new IllegalArgumentException("fileOpen does not accept a zero length string.");
234        }
235
236        try {
237            byte[] bytes = s.getBytes("UTF-8");
238            int id = nFileOpen(bytes);
239            return new File(id);
240        } catch (java.io.UnsupportedEncodingException e) {
241            throw new RuntimeException(e);
242        }
243    }
244
245
246    ///////////////////////////////////////////////////////////////////////////////////
247    // Root state
248
249    private int safeID(BaseObj o) {
250        if(o != null) {
251            return o.mID;
252        }
253        return 0;
254    }
255
256    public void contextBindRootScript(Script s) {
257        nContextBindRootScript(safeID(s));
258    }
259
260    public void contextBindProgramFragmentStore(ProgramStore p) {
261        nContextBindProgramFragmentStore(safeID(p));
262    }
263
264    public void contextBindProgramFragment(ProgramFragment p) {
265        nContextBindProgramFragment(safeID(p));
266    }
267
268    public void contextBindProgramRaster(ProgramRaster p) {
269        nContextBindProgramRaster(safeID(p));
270    }
271
272    public void contextBindProgramVertex(ProgramVertex p) {
273        nContextBindProgramVertex(safeID(p));
274    }
275
276}
277
278
279