xref: /frameworks/base/rs/jni/android_renderscript_RenderScript.cpp

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "libRS_jni"

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include <utils/misc.h>

#include <surfaceflinger/Surface.h>

#include <core/SkBitmap.h>
#include <core/SkPixelRef.h>
#include <core/SkStream.h>
#include <core/SkTemplates.h>
#include <images/SkImageDecoder.h>

#include <utils/Asset.h>
#include <utils/AssetManager.h>
#include <utils/ResourceTypes.h>

#include "jni.h"
#include "JNIHelp.h"
#include "android_runtime/AndroidRuntime.h"
#include "android_runtime/android_view_Surface.h"
#include "android_runtime/android_util_AssetManager.h"

#include <RenderScript.h>
#include <RenderScriptEnv.h>

//#define LOG_API LOGE
#define LOG_API(...)

using namespace android;

class AutoJavaStringToUTF8 {
public:
    AutoJavaStringToUTF8(JNIEnv* env, jstring str) : fEnv(env), fJStr(str)
    {
        fCStr = env->GetStringUTFChars(str, NULL);
        fLength = env->GetStringUTFLength(str);
    }
    ~AutoJavaStringToUTF8()
    {
        fEnv->ReleaseStringUTFChars(fJStr, fCStr);
    }
    const char* c_str() const { return fCStr; }
    jsize length() const { return fLength; }

private:
    JNIEnv*     fEnv;
    jstring     fJStr;
    const char* fCStr;
    jsize       fLength;
};

// ---------------------------------------------------------------------------

static jfieldID gContextId = 0;
static jfieldID gNativeBitmapID = 0;
static jfieldID gTypeNativeCache = 0;

static void _nInit(JNIEnv *_env, jclass _this)
{
    gContextId             = _env->GetFieldID(_this, "mContext", "I");

    jclass bitmapClass = _env->FindClass("android/graphics/Bitmap");
    gNativeBitmapID = _env->GetFieldID(bitmapClass, "mNativeBitmap", "I");
}

// ---------------------------------------------------------------------------

static void
nContextFinish(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextFinish, con(%p)", con);
    rsContextFinish(con);
}

static void
nAssignName(JNIEnv *_env, jobject _this, RsContext con, jint obj, jbyteArray str)
{
    LOG_API("nAssignName, con(%p), obj(%p)", con, (void *)obj);
    jint len = _env->GetArrayLength(str);
    jbyte * cptr = (jbyte *) _env->GetPrimitiveArrayCritical(str, 0);
    rsAssignName(con, (void *)obj, (const char *)cptr, len);
    _env->ReleasePrimitiveArrayCritical(str, cptr, JNI_ABORT);
}

static jstring
nGetName(JNIEnv *_env, jobject _this, RsContext con, jint obj)
{
    LOG_API("nGetName, con(%p), obj(%p)", con, (void *)obj);
    const char *name = NULL;
    rsaGetName(con, (void *)obj, &name);
    if(name == NULL || strlen(name) == 0) {
        return NULL;
    }
    return _env->NewStringUTF(name);
}

static void
nObjDestroy(JNIEnv *_env, jobject _this, RsContext con, jint obj)
{
    LOG_API("nObjDestroy, con(%p) obj(%p)", con, (void *)obj);
    rsObjDestroy(con, (void *)obj);
}

// ---------------------------------------------------------------------------

static jint
nDeviceCreate(JNIEnv *_env, jobject _this)
{
    LOG_API("nDeviceCreate");
    return (jint)rsDeviceCreate();
}

static void
nDeviceDestroy(JNIEnv *_env, jobject _this, jint dev)
{
    LOG_API("nDeviceDestroy");
    return rsDeviceDestroy((RsDevice)dev);
}

static void
nDeviceSetConfig(JNIEnv *_env, jobject _this, jint dev, jint p, jint value)
{
    LOG_API("nDeviceSetConfig  dev(%p), param(%i), value(%i)", (void *)dev, p, value);
    return rsDeviceSetConfig((RsDevice)dev, (RsDeviceParam)p, value);
}

static jint
nContextCreate(JNIEnv *_env, jobject _this, jint dev, jint ver)
{
    LOG_API("nContextCreate");
    return (jint)rsContextCreate((RsDevice)dev, ver);
}

static jint
nContextCreateGL(JNIEnv *_env, jobject _this, jint dev, jint ver,
                 int colorMin, int colorPref,
                 int alphaMin, int alphaPref,
                 int depthMin, int depthPref,
                 int stencilMin, int stencilPref,
                 int samplesMin, int samplesPref, float samplesQ,
                 int dpi)
{
    RsSurfaceConfig sc;
    sc.alphaMin = alphaMin;
    sc.alphaPref = alphaPref;
    sc.colorMin = colorMin;
    sc.colorPref = colorPref;
    sc.depthMin = depthMin;
    sc.depthPref = depthPref;
    sc.samplesMin = samplesMin;
    sc.samplesPref = samplesPref;
    sc.samplesQ = samplesQ;

    LOG_API("nContextCreateGL");
    return (jint)rsContextCreateGL((RsDevice)dev, ver, sc, dpi);
}

static void
nContextSetPriority(JNIEnv *_env, jobject _this, RsContext con, jint p)
{
    LOG_API("ContextSetPriority, con(%p), priority(%i)", con, p);
    rsContextSetPriority(con, p);
}



static void
nContextSetSurface(JNIEnv *_env, jobject _this, RsContext con, jint width, jint height, jobject wnd)
{
    LOG_API("nContextSetSurface, con(%p), width(%i), height(%i), surface(%p)", con, width, height, (Surface *)wnd);

    Surface * window = NULL;
    if (wnd == NULL) {

    } else {
        window = (Surface*) android_Surface_getNativeWindow(_env, wnd).get();
    }

    rsContextSetSurface(con, width, height, window, 1);
}

static void
nContextDestroy(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextDestroy, con(%p)", con);
    rsContextDestroy(con);
}

static void
nContextDump(JNIEnv *_env, jobject _this, RsContext con, jint bits)
{
    LOG_API("nContextDump, con(%p)  bits(%i)", (RsContext)con, bits);
    rsContextDump((RsContext)con, bits);
}

static void
nContextPause(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextPause, con(%p)", con);
    rsContextPause(con);
}

static void
nContextResume(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextResume, con(%p)", con);
    rsContextResume(con);
}


static jstring
nContextGetErrorMessage(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextGetErrorMessage, con(%p)", con);
    char buf[1024];

    size_t receiveLen;
    uint32_t subID;
    int id = rsContextGetMessage(con, buf, &receiveLen, &subID, sizeof(buf), true);
    if (!id && receiveLen) {
        LOGV("message receive buffer too small.  %i", receiveLen);
    }
    return _env->NewStringUTF(buf);
}

static void
nContextGetUserMessage(JNIEnv *_env, jobject _this, RsContext con, jintArray data)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nContextGetMessage, con(%p), len(%i)", con, len);
    jint *ptr = _env->GetIntArrayElements(data, NULL);
    size_t receiveLen;
    uint32_t subID;
    int id = rsContextGetMessage(con, ptr, &receiveLen, &subID, len * 4, true);
    if (!id && receiveLen) {
        LOGV("message receive buffer too small.  %i", receiveLen);
    }
    _env->ReleaseIntArrayElements(data, ptr, 0);
}

static jint
nContextPeekMessage(JNIEnv *_env, jobject _this, RsContext con, jintArray auxData, jboolean wait)
{
    LOG_API("nContextPeekMessage, con(%p)", con);
    jint *auxDataPtr = _env->GetIntArrayElements(auxData, NULL);
    size_t receiveLen;
    uint32_t subID;
    int id = rsContextPeekMessage(con, &receiveLen, &subID, wait);
    auxDataPtr[0] = (jint)subID;
    auxDataPtr[1] = (jint)receiveLen;
    _env->ReleaseIntArrayElements(auxData, auxDataPtr, 0);
    return id;
}

static void nContextInitToClient(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextInitToClient, con(%p)", con);
    rsContextInitToClient(con);
}

static void nContextDeinitToClient(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nContextDeinitToClient, con(%p)", con);
    rsContextDeinitToClient(con);
}


static jint
nElementCreate(JNIEnv *_env, jobject _this, RsContext con, jint type, jint kind, jboolean norm, jint size)
{
    LOG_API("nElementCreate, con(%p), type(%i), kind(%i), norm(%i), size(%i)", con, type, kind, norm, size);
    return (jint)rsElementCreate(con, (RsDataType)type, (RsDataKind)kind, norm, size);
}

static jint
nElementCreate2(JNIEnv *_env, jobject _this, RsContext con, jintArray _ids, jobjectArray _names, jintArray _arraySizes)
{
    int fieldCount = _env->GetArrayLength(_ids);
    LOG_API("nElementCreate2, con(%p)", con);

    jint *ids = _env->GetIntArrayElements(_ids, NULL);
    jint *arraySizes = _env->GetIntArrayElements(_arraySizes, NULL);
    const char ** nameArray = (const char **)calloc(fieldCount, sizeof(char *));
    size_t* sizeArray = (size_t*)calloc(fieldCount, sizeof(size_t));

    for (int ct=0; ct < fieldCount; ct++) {
        jstring s = (jstring)_env->GetObjectArrayElement(_names, ct);
        nameArray[ct] = _env->GetStringUTFChars(s, NULL);
        sizeArray[ct] = _env->GetStringUTFLength(s);
    }
    jint id = (jint)rsElementCreate2(con,
                                     (RsElement *)ids, fieldCount,
                                     nameArray, fieldCount,
                                     sizeArray, fieldCount,
                                     (const uint32_t *)arraySizes, fieldCount);
    for (int ct=0; ct < fieldCount; ct++) {
        jstring s = (jstring)_env->GetObjectArrayElement(_names, ct);
        _env->ReleaseStringUTFChars(s, nameArray[ct]);
    }
    _env->ReleaseIntArrayElements(_ids, ids, JNI_ABORT);
    _env->ReleaseIntArrayElements(_arraySizes, arraySizes, JNI_ABORT);
    free(nameArray);
    free(sizeArray);
    return (jint)id;
}

static void
nElementGetNativeData(JNIEnv *_env, jobject _this, RsContext con, jint id, jintArray _elementData)
{
    int dataSize = _env->GetArrayLength(_elementData);
    LOG_API("nElementGetNativeData, con(%p)", con);

    // we will pack mType; mKind; mNormalized; mVectorSize; NumSubElements
    assert(dataSize == 5);

    uint32_t elementData[5];
    rsaElementGetNativeData(con, (RsElement)id, elementData, dataSize);

    for(jint i = 0; i < dataSize; i ++) {
        _env->SetIntArrayRegion(_elementData, i, 1, (const jint*)&elementData[i]);
    }
}


static void
nElementGetSubElements(JNIEnv *_env, jobject _this, RsContext con, jint id, jintArray _IDs, jobjectArray _names)
{
    int dataSize = _env->GetArrayLength(_IDs);
    LOG_API("nElementGetSubElements, con(%p)", con);

    uint32_t *ids = (uint32_t *)malloc((uint32_t)dataSize * sizeof(uint32_t));
    const char **names = (const char **)malloc((uint32_t)dataSize * sizeof(const char *));

    rsaElementGetSubElements(con, (RsElement)id, ids, names, (uint32_t)dataSize);

    for(jint i = 0; i < dataSize; i++) {
        _env->SetObjectArrayElement(_names, i, _env->NewStringUTF(names[i]));
        _env->SetIntArrayRegion(_IDs, i, 1, (const jint*)&ids[i]);
    }

    free(ids);
    free(names);
}

// -----------------------------------

static int
nTypeCreate(JNIEnv *_env, jobject _this, RsContext con, RsElement eid,
            jint dimx, jint dimy, jint dimz, jboolean mips, jboolean faces)
{
    LOG_API("nTypeCreate, con(%p) eid(%p), x(%i), y(%i), z(%i), mips(%i), faces(%i)",
            con, eid, dimx, dimy, dimz, mips, faces);

    jint id = (jint)rsaTypeCreate(con, (RsElement)eid, dimx, dimy, dimz, mips, faces);
    return (jint)id;
}

static void
nTypeGetNativeData(JNIEnv *_env, jobject _this, RsContext con, jint id, jintArray _typeData)
{
    // We are packing 6 items: mDimX; mDimY; mDimZ;
    // mDimLOD; mDimFaces; mElement; into typeData
    int elementCount = _env->GetArrayLength(_typeData);

    assert(elementCount == 6);
    LOG_API("nTypeCreate, con(%p)", con);

    uint32_t typeData[6];
    rsaTypeGetNativeData(con, (RsType)id, typeData, 6);

    for(jint i = 0; i < elementCount; i ++) {
        _env->SetIntArrayRegion(_typeData, i, 1, (const jint*)&typeData[i]);
    }
}

// -----------------------------------

static jint
nAllocationCreateTyped(JNIEnv *_env, jobject _this, RsContext con, jint type, jint mips, jint usage)
{
    LOG_API("nAllocationCreateTyped, con(%p), type(%p), mip(%i), usage(%i)", con, (RsElement)type, mips, usage);
    return (jint) rsaAllocationCreateTyped(con, (RsType)type, (RsAllocationMipmapControl)mips, (uint32_t)usage);
}

static void
nAllocationSyncAll(JNIEnv *_env, jobject _this, RsContext con, jint a, jint bits)
{
    LOG_API("nAllocationSyncAll, con(%p), a(%p), bits(0x%08x)", con, (RsAllocation)a, bits);
    rsAllocationSyncAll(con, (RsAllocation)a, (RsAllocationUsageType)bits);
}

static void
nAllocationGenerateMipmaps(JNIEnv *_env, jobject _this, RsContext con, jint alloc)
{
    LOG_API("nAllocationGenerateMipmaps, con(%p), a(%p)", con, (RsAllocation)alloc);
    rsAllocationGenerateMipmaps(con, (RsAllocation)alloc);
}

static int
nAllocationCreateFromBitmap(JNIEnv *_env, jobject _this, RsContext con, jint type, jint mip, jobject jbitmap, jint usage)
{
    SkBitmap const * nativeBitmap =
            (SkBitmap const *)_env->GetIntField(jbitmap, gNativeBitmapID);
    const SkBitmap& bitmap(*nativeBitmap);

    bitmap.lockPixels();
    const void* ptr = bitmap.getPixels();
    jint id = (jint)rsaAllocationCreateFromBitmap(con, (RsType)type, (RsAllocationMipmapControl)mip, ptr, usage);
    bitmap.unlockPixels();
    return id;
}

static int
nAllocationCubeCreateFromBitmap(JNIEnv *_env, jobject _this, RsContext con, jint type, jint mip, jobject jbitmap, jint usage)
{
    SkBitmap const * nativeBitmap =
            (SkBitmap const *)_env->GetIntField(jbitmap, gNativeBitmapID);
    const SkBitmap& bitmap(*nativeBitmap);

    bitmap.lockPixels();
    const void* ptr = bitmap.getPixels();
    jint id = (jint)rsaAllocationCubeCreateFromBitmap(con, (RsType)type, (RsAllocationMipmapControl)mip, ptr, usage);
    bitmap.unlockPixels();
    return id;
}

static void
nAllocationCopyFromBitmap(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jobject jbitmap)
{
    SkBitmap const * nativeBitmap =
            (SkBitmap const *)_env->GetIntField(jbitmap, gNativeBitmapID);
    const SkBitmap& bitmap(*nativeBitmap);
    int w = bitmap.width();
    int h = bitmap.height();

    bitmap.lockPixels();
    const void* ptr = bitmap.getPixels();
    rsAllocation2DData(con, (RsAllocation)alloc, 0, 0,
                       0, RS_ALLOCATION_CUBMAP_FACE_POSITVE_X,
                       w, h, ptr, bitmap.getSize());
    bitmap.unlockPixels();
}

static void
nAllocationCopyToBitmap(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jobject jbitmap)
{
    SkBitmap const * nativeBitmap =
            (SkBitmap const *)_env->GetIntField(jbitmap, gNativeBitmapID);
    const SkBitmap& bitmap(*nativeBitmap);

    bitmap.lockPixels();
    void* ptr = bitmap.getPixels();
    rsAllocationCopyToBitmap(con, (RsAllocation)alloc, ptr, bitmap.getSize());
    bitmap.unlockPixels();
}

static void ReleaseBitmapCallback(void *bmp)
{
    SkBitmap const * nativeBitmap = (SkBitmap const *)bmp;
    nativeBitmap->unlockPixels();
}


static void
nAllocationData1D_i(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint offset, jint lod, jint count, jintArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation1DData_i, con(%p), adapter(%p), offset(%i), count(%i), len(%i), sizeBytes(%i)", con, (RsAllocation)alloc, offset, count, len, sizeBytes);
    jint *ptr = _env->GetIntArrayElements(data, NULL);
    rsAllocation1DData(con, (RsAllocation)alloc, offset, lod, count, ptr, sizeBytes);
    _env->ReleaseIntArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData1D_s(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint offset, jint lod, jint count, jshortArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation1DData_s, con(%p), adapter(%p), offset(%i), count(%i), len(%i), sizeBytes(%i)", con, (RsAllocation)alloc, offset, count, len, sizeBytes);
    jshort *ptr = _env->GetShortArrayElements(data, NULL);
    rsAllocation1DData(con, (RsAllocation)alloc, offset, lod, count, ptr, sizeBytes);
    _env->ReleaseShortArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData1D_b(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint offset, jint lod, jint count, jbyteArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation1DData_b, con(%p), adapter(%p), offset(%i), count(%i), len(%i), sizeBytes(%i)", con, (RsAllocation)alloc, offset, count, len, sizeBytes);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    rsAllocation1DData(con, (RsAllocation)alloc, offset, lod, count, ptr, sizeBytes);
    _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData1D_f(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint offset, jint lod, jint count, jfloatArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation1DData_f, con(%p), adapter(%p), offset(%i), count(%i), len(%i), sizeBytes(%i)", con, (RsAllocation)alloc, offset, count, len, sizeBytes);
    jfloat *ptr = _env->GetFloatArrayElements(data, NULL);
    rsAllocation1DData(con, (RsAllocation)alloc, offset, lod, count, ptr, sizeBytes);
    _env->ReleaseFloatArrayElements(data, ptr, JNI_ABORT);
}

static void
//    native void rsnAllocationElementData1D(int con, int id, int xoff, int compIdx, byte[] d, int sizeBytes);
nAllocationElementData1D(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint offset, jint lod, jint compIdx, jbyteArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocationElementData1D, con(%p), alloc(%p), offset(%i), comp(%i), len(%i), sizeBytes(%i)", con, (RsAllocation)alloc, offset, compIdx, len, sizeBytes);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    rsAllocation1DElementData(con, (RsAllocation)alloc, offset, lod, ptr, compIdx, sizeBytes);
    _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData2D_s(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint xoff, jint yoff, jint lod, jint face,
                    jint w, jint h, jshortArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation2DData_s, con(%p), adapter(%p), xoff(%i), yoff(%i), w(%i), h(%i), len(%i)", con, (RsAllocation)alloc, xoff, yoff, w, h, len);
    jshort *ptr = _env->GetShortArrayElements(data, NULL);
    rsAllocation2DData(con, (RsAllocation)alloc, xoff, yoff, lod, (RsAllocationCubemapFace)face, w, h, ptr, sizeBytes);
    _env->ReleaseShortArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData2D_b(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint xoff, jint yoff, jint lod, jint face,
                    jint w, jint h, jbyteArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation2DData_b, con(%p), adapter(%p), xoff(%i), yoff(%i), w(%i), h(%i), len(%i)", con, (RsAllocation)alloc, xoff, yoff, w, h, len);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    rsAllocation2DData(con, (RsAllocation)alloc, xoff, yoff, lod, (RsAllocationCubemapFace)face, w, h, ptr, sizeBytes);
    _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData2D_i(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint xoff, jint yoff, jint lod, jint face,
                    jint w, jint h, jintArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation2DData_i, con(%p), adapter(%p), xoff(%i), yoff(%i), w(%i), h(%i), len(%i)", con, (RsAllocation)alloc, xoff, yoff, w, h, len);
    jint *ptr = _env->GetIntArrayElements(data, NULL);
    rsAllocation2DData(con, (RsAllocation)alloc, xoff, yoff, lod, (RsAllocationCubemapFace)face, w, h, ptr, sizeBytes);
    _env->ReleaseIntArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationData2D_f(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint xoff, jint yoff, jint lod, jint face,
                    jint w, jint h, jfloatArray data, int sizeBytes)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocation2DData_i, con(%p), adapter(%p), xoff(%i), yoff(%i), w(%i), h(%i), len(%i)", con, (RsAllocation)alloc, xoff, yoff, w, h, len);
    jfloat *ptr = _env->GetFloatArrayElements(data, NULL);
    rsAllocation2DData(con, (RsAllocation)alloc, xoff, yoff, lod, (RsAllocationCubemapFace)face, w, h, ptr, sizeBytes);
    _env->ReleaseFloatArrayElements(data, ptr, JNI_ABORT);
}

static void
nAllocationRead_i(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jintArray data)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocationRead_i, con(%p), alloc(%p), len(%i)", con, (RsAllocation)alloc, len);
    jint *ptr = _env->GetIntArrayElements(data, NULL);
    jsize length = _env->GetArrayLength(data);
    rsAllocationRead(con, (RsAllocation)alloc, ptr, length);
    _env->ReleaseIntArrayElements(data, ptr, 0);
}

static void
nAllocationRead_s(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jshortArray data)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocationRead_i, con(%p), alloc(%p), len(%i)", con, (RsAllocation)alloc, len);
    jshort *ptr = _env->GetShortArrayElements(data, NULL);
    jsize length = _env->GetArrayLength(data);
    rsAllocationRead(con, (RsAllocation)alloc, ptr, length);
    _env->ReleaseShortArrayElements(data, ptr, 0);
}

static void
nAllocationRead_b(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jbyteArray data)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocationRead_i, con(%p), alloc(%p), len(%i)", con, (RsAllocation)alloc, len);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    jsize length = _env->GetArrayLength(data);
    rsAllocationRead(con, (RsAllocation)alloc, ptr, length);
    _env->ReleaseByteArrayElements(data, ptr, 0);
}

static void
nAllocationRead_f(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jfloatArray data)
{
    jint len = _env->GetArrayLength(data);
    LOG_API("nAllocationRead_f, con(%p), alloc(%p), len(%i)", con, (RsAllocation)alloc, len);
    jfloat *ptr = _env->GetFloatArrayElements(data, NULL);
    jsize length = _env->GetArrayLength(data);
    rsAllocationRead(con, (RsAllocation)alloc, ptr, length);
    _env->ReleaseFloatArrayElements(data, ptr, 0);
}

static jint
nAllocationGetType(JNIEnv *_env, jobject _this, RsContext con, jint a)
{
    LOG_API("nAllocationGetType, con(%p), a(%p)", con, (RsAllocation)a);
    return (jint) rsaAllocationGetType(con, (RsAllocation)a);
}

static void
nAllocationResize1D(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint dimX)
{
    LOG_API("nAllocationResize1D, con(%p), alloc(%p), sizeX(%i)", con, (RsAllocation)alloc, dimX);
    rsAllocationResize1D(con, (RsAllocation)alloc, dimX);
}

static void
nAllocationResize2D(JNIEnv *_env, jobject _this, RsContext con, jint alloc, jint dimX, jint dimY)
{
    LOG_API("nAllocationResize1D, con(%p), alloc(%p), sizeX(%i), sizeY(%i)", con, (RsAllocation)alloc, dimX, dimY);
    rsAllocationResize2D(con, (RsAllocation)alloc, dimX, dimY);
}

// -----------------------------------

static int
nFileA3DCreateFromAssetStream(JNIEnv *_env, jobject _this, RsContext con, jint native_asset)
{
    LOGV("______nFileA3D %u", (uint32_t) native_asset);

    Asset* asset = reinterpret_cast<Asset*>(native_asset);

    jint id = (jint)rsaFileA3DCreateFromMemory(con, asset->getBuffer(false), asset->getLength());
    return id;
}

static int
nFileA3DCreateFromAsset(JNIEnv *_env, jobject _this, RsContext con, jobject _assetMgr, jstring _path)
{
    AssetManager* mgr = assetManagerForJavaObject(_env, _assetMgr);
    if (mgr == NULL) {
        return 0;
    }

    AutoJavaStringToUTF8 str(_env, _path);
    Asset* asset = mgr->open(str.c_str(), Asset::ACCESS_BUFFER);
    if (asset == NULL) {
        return 0;
    }

    jint id = (jint)rsaFileA3DCreateFromAsset(con, asset);
    return id;
}

static int
nFileA3DCreateFromFile(JNIEnv *_env, jobject _this, RsContext con, jstring fileName)
{
    AutoJavaStringToUTF8 fileNameUTF(_env, fileName);
    jint id = (jint)rsaFileA3DCreateFromFile(con, fileNameUTF.c_str());

    return id;
}

static int
nFileA3DGetNumIndexEntries(JNIEnv *_env, jobject _this, RsContext con, jint fileA3D)
{
    int32_t numEntries = 0;
    rsaFileA3DGetNumIndexEntries(con, &numEntries, (RsFile)fileA3D);
    return numEntries;
}

static void
nFileA3DGetIndexEntries(JNIEnv *_env, jobject _this, RsContext con, jint fileA3D, jint numEntries, jintArray _ids, jobjectArray _entries)
{
    LOGV("______nFileA3D %u", (uint32_t) fileA3D);
    RsFileIndexEntry *fileEntries = (RsFileIndexEntry*)malloc((uint32_t)numEntries * sizeof(RsFileIndexEntry));

    rsaFileA3DGetIndexEntries(con, fileEntries, (uint32_t)numEntries, (RsFile)fileA3D);

    for(jint i = 0; i < numEntries; i ++) {
        _env->SetObjectArrayElement(_entries, i, _env->NewStringUTF(fileEntries[i].objectName));
        _env->SetIntArrayRegion(_ids, i, 1, (const jint*)&fileEntries[i].classID);
    }

    free(fileEntries);
}

static int
nFileA3DGetEntryByIndex(JNIEnv *_env, jobject _this, RsContext con, jint fileA3D, jint index)
{
    LOGV("______nFileA3D %u", (uint32_t) fileA3D);
    jint id = (jint)rsaFileA3DGetEntryByIndex(con, (uint32_t)index, (RsFile)fileA3D);
    return id;
}

// -----------------------------------

static int
nFontCreateFromFile(JNIEnv *_env, jobject _this, RsContext con,
                    jstring fileName, jfloat fontSize, jint dpi)
{
    AutoJavaStringToUTF8 fileNameUTF(_env, fileName);
    jint id = (jint)rsFontCreateFromFile(con,
                                         fileNameUTF.c_str(), fileNameUTF.length(),
                                         fontSize, dpi);

    return id;
}

static int
nFontCreateFromAssetStream(JNIEnv *_env, jobject _this, RsContext con,
                           jstring name, jfloat fontSize, jint dpi, jint native_asset)
{
    Asset* asset = reinterpret_cast<Asset*>(native_asset);
    AutoJavaStringToUTF8 nameUTF(_env, name);

    jint id = (jint)rsFontCreateFromMemory(con,
                                           nameUTF.c_str(), nameUTF.length(),
                                           fontSize, dpi,
                                           asset->getBuffer(false), asset->getLength());
    return id;
}

static int
nFontCreateFromAsset(JNIEnv *_env, jobject _this, RsContext con, jobject _assetMgr, jstring _path,
                     jfloat fontSize, jint dpi)
{
    AssetManager* mgr = assetManagerForJavaObject(_env, _assetMgr);
    if (mgr == NULL) {
        return 0;
    }

    AutoJavaStringToUTF8 str(_env, _path);
    Asset* asset = mgr->open(str.c_str(), Asset::ACCESS_BUFFER);
    if (asset == NULL) {
        return 0;
    }

    jint id = (jint)rsFontCreateFromMemory(con,
                                           str.c_str(), str.length(),
                                           fontSize, dpi,
                                           asset->getBuffer(false), asset->getLength());
    delete asset;
    return id;
}

// -----------------------------------

static void
nScriptBindAllocation(JNIEnv *_env, jobject _this, RsContext con, jint script, jint alloc, jint slot)
{
    LOG_API("nScriptBindAllocation, con(%p), script(%p), alloc(%p), slot(%i)", con, (RsScript)script, (RsAllocation)alloc, slot);
    rsScriptBindAllocation(con, (RsScript)script, (RsAllocation)alloc, slot);
}

static void
nScriptSetVarI(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, jint val)
{
    LOG_API("nScriptSetVarI, con(%p), s(%p), slot(%i), val(%i)", con, (void *)script, slot, val);
    rsScriptSetVarI(con, (RsScript)script, slot, val);
}

static void
nScriptSetVarObj(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, jint val)
{
    LOG_API("nScriptSetVarObj, con(%p), s(%p), slot(%i), val(%i)", con, (void *)script, slot, val);
    rsScriptSetVarObj(con, (RsScript)script, slot, (RsObjectBase)val);
}

static void
nScriptSetVarJ(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, jlong val)
{
    LOG_API("nScriptSetVarJ, con(%p), s(%p), slot(%i), val(%lli)", con, (void *)script, slot, val);
    rsScriptSetVarJ(con, (RsScript)script, slot, val);
}

static void
nScriptSetVarF(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, float val)
{
    LOG_API("nScriptSetVarF, con(%p), s(%p), slot(%i), val(%f)", con, (void *)script, slot, val);
    rsScriptSetVarF(con, (RsScript)script, slot, val);
}

static void
nScriptSetVarD(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, double val)
{
    LOG_API("nScriptSetVarD, con(%p), s(%p), slot(%i), val(%lf)", con, (void *)script, slot, val);
    rsScriptSetVarD(con, (RsScript)script, slot, val);
}

static void
nScriptSetVarV(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, jbyteArray data)
{
    LOG_API("nScriptSetVarV, con(%p), s(%p), slot(%i)", con, (void *)script, slot);
    jint len = _env->GetArrayLength(data);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    rsScriptSetVarV(con, (RsScript)script, slot, ptr, len);
    _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
}


static void
nScriptSetTimeZone(JNIEnv *_env, jobject _this, RsContext con, jint script, jbyteArray timeZone)
{
    LOG_API("nScriptCSetTimeZone, con(%p), s(%p), timeZone(%s)", con, (void *)script, (const char *)timeZone);

    jint length = _env->GetArrayLength(timeZone);
    jbyte* timeZone_ptr;
    timeZone_ptr = (jbyte *) _env->GetPrimitiveArrayCritical(timeZone, (jboolean *)0);

    rsScriptSetTimeZone(con, (RsScript)script, (const char *)timeZone_ptr, length);

    if (timeZone_ptr) {
        _env->ReleasePrimitiveArrayCritical(timeZone, timeZone_ptr, 0);
    }
}

static void
nScriptInvoke(JNIEnv *_env, jobject _this, RsContext con, jint obj, jint slot)
{
    LOG_API("nScriptInvoke, con(%p), script(%p)", con, (void *)obj);
    rsScriptInvoke(con, (RsScript)obj, slot);
}

static void
nScriptInvokeV(JNIEnv *_env, jobject _this, RsContext con, jint script, jint slot, jbyteArray data)
{
    LOG_API("nScriptInvokeV, con(%p), s(%p), slot(%i)", con, (void *)script, slot);
    jint len = _env->GetArrayLength(data);
    jbyte *ptr = _env->GetByteArrayElements(data, NULL);
    rsScriptInvokeV(con, (RsScript)script, slot, ptr, len);
    _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
}


// -----------------------------------

static jint
nScriptCCreate(JNIEnv *_env, jobject _this, RsContext con,
               jstring resName, jstring cacheDir,
               jbyteArray scriptRef, jint length)
{
    LOG_API("nScriptCCreate, con(%p)", con);

    AutoJavaStringToUTF8 resNameUTF(_env, resName);
    AutoJavaStringToUTF8 cacheDirUTF(_env, cacheDir);
    jint ret = 0;
    jbyte* script_ptr = NULL;
    jint _exception = 0;
    jint remaining;
    if (!scriptRef) {
        _exception = 1;
        //jniThrowException(_env, "java/lang/IllegalArgumentException", "script == null");
        goto exit;
    }
    if (length < 0) {
        _exception = 1;
        //jniThrowException(_env, "java/lang/IllegalArgumentException", "length < 0");
        goto exit;
    }
    remaining = _env->GetArrayLength(scriptRef);
    if (remaining < length) {
        _exception = 1;
        //jniThrowException(_env, "java/lang/IllegalArgumentException",
        //        "length > script.length - offset");
        goto exit;
    }
    script_ptr = (jbyte *)
        _env->GetPrimitiveArrayCritical(scriptRef, (jboolean *)0);

    //rsScriptCSetText(con, (const char *)script_ptr, length);

    ret = (jint)rsScriptCCreate(con,
                                resNameUTF.c_str(), resNameUTF.length(),
                                cacheDirUTF.c_str(), cacheDirUTF.length(),
                                (const char *)script_ptr, length);

exit:
    if (script_ptr) {
        _env->ReleasePrimitiveArrayCritical(scriptRef, script_ptr,
                _exception ? JNI_ABORT: 0);
    }

    return ret;
}

// ---------------------------------------------------------------------------

static jint
nProgramStoreCreate(JNIEnv *_env, jobject _this, RsContext con,
                    jboolean colorMaskR, jboolean colorMaskG, jboolean colorMaskB, jboolean colorMaskA,
                    jboolean depthMask, jboolean ditherEnable,
                    jint srcFunc, jint destFunc,
                    jint depthFunc)
{
    LOG_API("nProgramStoreCreate, con(%p)", con);
    return (jint)rsProgramStoreCreate(con, colorMaskR, colorMaskG, colorMaskB, colorMaskA,
                                      depthMask, ditherEnable, (RsBlendSrcFunc)srcFunc,
                                      (RsBlendDstFunc)destFunc, (RsDepthFunc)depthFunc);
}

// ---------------------------------------------------------------------------

static void
nProgramBindConstants(JNIEnv *_env, jobject _this, RsContext con, jint vpv, jint slot, jint a)
{
    LOG_API("nProgramBindConstants, con(%p), vpf(%p), sloat(%i), a(%p)", con, (RsProgramVertex)vpv, slot, (RsAllocation)a);
    rsProgramBindConstants(con, (RsProgram)vpv, slot, (RsAllocation)a);
}

static void
nProgramBindTexture(JNIEnv *_env, jobject _this, RsContext con, jint vpf, jint slot, jint a)
{
    LOG_API("nProgramBindTexture, con(%p), vpf(%p), slot(%i), a(%p)", con, (RsProgramFragment)vpf, slot, (RsAllocation)a);
    rsProgramBindTexture(con, (RsProgramFragment)vpf, slot, (RsAllocation)a);
}

static void
nProgramBindSampler(JNIEnv *_env, jobject _this, RsContext con, jint vpf, jint slot, jint a)
{
    LOG_API("nProgramBindSampler, con(%p), vpf(%p), slot(%i), a(%p)", con, (RsProgramFragment)vpf, slot, (RsSampler)a);
    rsProgramBindSampler(con, (RsProgramFragment)vpf, slot, (RsSampler)a);
}

// ---------------------------------------------------------------------------

static jint
nProgramFragmentCreate(JNIEnv *_env, jobject _this, RsContext con, jstring shader, jintArray params)
{
    AutoJavaStringToUTF8 shaderUTF(_env, shader);
    jint *paramPtr = _env->GetIntArrayElements(params, NULL);
    jint paramLen = _env->GetArrayLength(params);

    LOG_API("nProgramFragmentCreate, con(%p), paramLen(%i)", con, paramLen);

    jint ret = (jint)rsProgramFragmentCreate(con, shaderUTF.c_str(), shaderUTF.length(), (uint32_t *)paramPtr, paramLen);
    _env->ReleaseIntArrayElements(params, paramPtr, JNI_ABORT);
    return ret;
}


// ---------------------------------------------------------------------------

static jint
nProgramVertexCreate(JNIEnv *_env, jobject _this, RsContext con, jstring shader, jintArray params)
{
    AutoJavaStringToUTF8 shaderUTF(_env, shader);
    jint *paramPtr = _env->GetIntArrayElements(params, NULL);
    jint paramLen = _env->GetArrayLength(params);

    LOG_API("nProgramVertexCreate, con(%p), paramLen(%i)", con, paramLen);

    jint ret = (jint)rsProgramVertexCreate(con, shaderUTF.c_str(), shaderUTF.length(), (uint32_t *)paramPtr, paramLen);
    _env->ReleaseIntArrayElements(params, paramPtr, JNI_ABORT);
    return ret;
}

// ---------------------------------------------------------------------------

static jint
nProgramRasterCreate(JNIEnv *_env, jobject _this, RsContext con, jboolean pointSmooth,
                     jboolean lineSmooth, jboolean pointSprite, jfloat lineWidth, jint cull)
{
    LOG_API("nProgramRasterCreate, con(%p), pointSmooth(%i), lineSmooth(%i), pointSprite(%i)",
            con, pointSmooth, lineSmooth, pointSprite);
    return (jint)rsProgramRasterCreate(con, pointSmooth, lineSmooth, pointSprite, lineWidth, (RsCullMode)cull);
}


// ---------------------------------------------------------------------------

static void
nContextBindRootScript(JNIEnv *_env, jobject _this, RsContext con, jint script)
{
    LOG_API("nContextBindRootScript, con(%p), script(%p)", con, (RsScript)script);
    rsContextBindRootScript(con, (RsScript)script);
}

static void
nContextBindProgramStore(JNIEnv *_env, jobject _this, RsContext con, jint pfs)
{
    LOG_API("nContextBindProgramStore, con(%p), pfs(%p)", con, (RsProgramStore)pfs);
    rsContextBindProgramStore(con, (RsProgramStore)pfs);
}

static void
nContextBindProgramFragment(JNIEnv *_env, jobject _this, RsContext con, jint pf)
{
    LOG_API("nContextBindProgramFragment, con(%p), pf(%p)", con, (RsProgramFragment)pf);
    rsContextBindProgramFragment(con, (RsProgramFragment)pf);
}

static void
nContextBindProgramVertex(JNIEnv *_env, jobject _this, RsContext con, jint pf)
{
    LOG_API("nContextBindProgramVertex, con(%p), pf(%p)", con, (RsProgramVertex)pf);
    rsContextBindProgramVertex(con, (RsProgramVertex)pf);
}

static void
nContextBindProgramRaster(JNIEnv *_env, jobject _this, RsContext con, jint pf)
{
    LOG_API("nContextBindProgramRaster, con(%p), pf(%p)", con, (RsProgramRaster)pf);
    rsContextBindProgramRaster(con, (RsProgramRaster)pf);
}


// ---------------------------------------------------------------------------

static void
nSamplerBegin(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nSamplerBegin, con(%p)", con);
    rsSamplerBegin(con);
}

static void
nSamplerSet(JNIEnv *_env, jobject _this, RsContext con, jint p, jint v)
{
    LOG_API("nSamplerSet, con(%p), param(%i), value(%i)", con, p, v);
    rsSamplerSet(con, (RsSamplerParam)p, (RsSamplerValue)v);
}

static void
nSamplerSet2(JNIEnv *_env, jobject _this, RsContext con, jint p, jfloat v)
{
    LOG_API("nSamplerSet2, con(%p), param(%i), value(%f)", con, p, v);
    rsSamplerSet2(con, (RsSamplerParam)p, v);
}

static jint
nSamplerCreate(JNIEnv *_env, jobject _this, RsContext con)
{
    LOG_API("nSamplerCreate, con(%p)", con);
    return (jint)rsSamplerCreate(con);
}

// ---------------------------------------------------------------------------

static jint
nMeshCreate(JNIEnv *_env, jobject _this, RsContext con, jint vtxCount, jint idxCount)
{
    LOG_API("nMeshCreate, con(%p), vtxCount(%i), idxCount(%i)", con, vtxCount, idxCount);
    int id = (int)rsMeshCreate(con, vtxCount, idxCount);
    return id;
}

static void
nMeshBindVertex(JNIEnv *_env, jobject _this, RsContext con, jint mesh, jint alloc, jint slot)
{
    LOG_API("nMeshBindVertex, con(%p), Mesh(%p), Alloc(%p), slot(%i)", con, (RsMesh)mesh, (RsAllocation)alloc, slot);
    rsMeshBindVertex(con, (RsMesh)mesh, (RsAllocation)alloc, slot);
}

static void
nMeshBindIndex(JNIEnv *_env, jobject _this, RsContext con, jint mesh, jint alloc, jint primID, jint slot)
{
    LOG_API("nMeshBindIndex, con(%p), Mesh(%p), Alloc(%p)", con, (RsMesh)mesh, (RsAllocation)alloc);
    rsMeshBindIndex(con, (RsMesh)mesh, (RsAllocation)alloc, primID, slot);
}

static void
nMeshInitVertexAttribs(JNIEnv *_env, jobject _this, RsContext con, jint mesh)
{
    LOG_API("nMeshInitVertexAttribs, con(%p), Mesh(%p)", con, (RsMesh)mesh);
    rsMeshInitVertexAttribs(con, (RsMesh)mesh);
}


static jint
nMeshGetVertexBufferCount(JNIEnv *_env, jobject _this, RsContext con, jint mesh)
{
    LOG_API("nMeshGetVertexBufferCount, con(%p), Mesh(%p)", con, (RsMesh)mesh);
    jint vtxCount = 0;
    rsaMeshGetVertexBufferCount(con, (RsMesh)mesh, &vtxCount);
    return vtxCount;
}

static jint
nMeshGetIndexCount(JNIEnv *_env, jobject _this, RsContext con, jint mesh)
{
    LOG_API("nMeshGetIndexCount, con(%p), Mesh(%p)", con, (RsMesh)mesh);
    jint idxCount = 0;
    rsaMeshGetIndexCount(con, (RsMesh)mesh, &idxCount);
    return idxCount;
}

static void
nMeshGetVertices(JNIEnv *_env, jobject _this, RsContext con, jint mesh, jintArray _ids, int numVtxIDs)
{
    LOG_API("nMeshGetVertices, con(%p), Mesh(%p)", con, (RsMesh)mesh);

    RsAllocation *allocs = (RsAllocation*)malloc((uint32_t)numVtxIDs * sizeof(RsAllocation));
    rsaMeshGetVertices(con, (RsMesh)mesh, allocs, (uint32_t)numVtxIDs);

    for(jint i = 0; i < numVtxIDs; i ++) {
        _env->SetIntArrayRegion(_ids, i, 1, (const jint*)&allocs[i]);
    }

    free(allocs);
}

static void
nMeshGetIndices(JNIEnv *_env, jobject _this, RsContext con, jint mesh, jintArray _idxIds, jintArray _primitives, int numIndices)
{
    LOG_API("nMeshGetVertices, con(%p), Mesh(%p)", con, (RsMesh)mesh);

    RsAllocation *allocs = (RsAllocation*)malloc((uint32_t)numIndices * sizeof(RsAllocation));
    uint32_t *prims= (uint32_t*)malloc((uint32_t)numIndices * sizeof(uint32_t));

    rsaMeshGetIndices(con, (RsMesh)mesh, allocs, prims, (uint32_t)numIndices);

    for(jint i = 0; i < numIndices; i ++) {
        _env->SetIntArrayRegion(_idxIds, i, 1, (const jint*)&allocs[i]);
        _env->SetIntArrayRegion(_primitives, i, 1, (const jint*)&prims[i]);
    }

    free(allocs);
    free(prims);
}

// ---------------------------------------------------------------------------


static const char *classPathName = "android/renderscript/RenderScript";

static JNINativeMethod methods[] = {
{"_nInit",                         "()V",                                     (void*)_nInit },

{"nDeviceCreate",                  "()I",                                     (void*)nDeviceCreate },
{"nDeviceDestroy",                 "(I)V",                                    (void*)nDeviceDestroy },
{"nDeviceSetConfig",               "(III)V",                                  (void*)nDeviceSetConfig },
{"nContextGetUserMessage",         "(I[I)V",                                  (void*)nContextGetUserMessage },
{"nContextGetErrorMessage",        "(I)Ljava/lang/String;",                   (void*)nContextGetErrorMessage },
{"nContextPeekMessage",            "(I[IZ)I",                                 (void*)nContextPeekMessage },

{"nContextInitToClient",           "(I)V",                                    (void*)nContextInitToClient },
{"nContextDeinitToClient",         "(I)V",                                    (void*)nContextDeinitToClient },


// All methods below are thread protected in java.
{"rsnContextCreate",                 "(II)I",                                 (void*)nContextCreate },
{"rsnContextCreateGL",               "(IIIIIIIIIIIIFI)I",                     (void*)nContextCreateGL },
{"rsnContextFinish",                 "(I)V",                                  (void*)nContextFinish },
{"rsnContextSetPriority",            "(II)V",                                 (void*)nContextSetPriority },
{"rsnContextSetSurface",             "(IIILandroid/view/Surface;)V",          (void*)nContextSetSurface },
{"rsnContextDestroy",                "(I)V",                                  (void*)nContextDestroy },
{"rsnContextDump",                   "(II)V",                                 (void*)nContextDump },
{"rsnContextPause",                  "(I)V",                                  (void*)nContextPause },
{"rsnContextResume",                 "(I)V",                                  (void*)nContextResume },
{"rsnAssignName",                    "(II[B)V",                               (void*)nAssignName },
{"rsnGetName",                       "(II)Ljava/lang/String;",                (void*)nGetName },
{"rsnObjDestroy",                    "(II)V",                                 (void*)nObjDestroy },

{"rsnFileA3DCreateFromFile",         "(ILjava/lang/String;)I",                (void*)nFileA3DCreateFromFile },
{"rsnFileA3DCreateFromAssetStream",  "(II)I",                                 (void*)nFileA3DCreateFromAssetStream },
{"rsnFileA3DCreateFromAsset",        "(ILandroid/content/res/AssetManager;Ljava/lang/String;)I",            (void*)nFileA3DCreateFromAsset },
{"rsnFileA3DGetNumIndexEntries",     "(II)I",                                 (void*)nFileA3DGetNumIndexEntries },
{"rsnFileA3DGetIndexEntries",        "(III[I[Ljava/lang/String;)V",           (void*)nFileA3DGetIndexEntries },
{"rsnFileA3DGetEntryByIndex",        "(III)I",                                (void*)nFileA3DGetEntryByIndex },

{"rsnFontCreateFromFile",            "(ILjava/lang/String;FI)I",              (void*)nFontCreateFromFile },
{"rsnFontCreateFromAssetStream",     "(ILjava/lang/String;FII)I",             (void*)nFontCreateFromAssetStream },
{"rsnFontCreateFromAsset",        "(ILandroid/content/res/AssetManager;Ljava/lang/String;FI)I",            (void*)nFontCreateFromAsset },

{"rsnElementCreate",                 "(IIIZI)I",                              (void*)nElementCreate },
{"rsnElementCreate2",                "(I[I[Ljava/lang/String;[I)I",           (void*)nElementCreate2 },
{"rsnElementGetNativeData",          "(II[I)V",                               (void*)nElementGetNativeData },
{"rsnElementGetSubElements",         "(II[I[Ljava/lang/String;)V",            (void*)nElementGetSubElements },

{"rsnTypeCreate",                    "(IIIIIZZ)I",                            (void*)nTypeCreate },
{"rsnTypeGetNativeData",             "(II[I)V",                               (void*)nTypeGetNativeData },

{"rsnAllocationCreateTyped",         "(IIII)I",                               (void*)nAllocationCreateTyped },
{"rsnAllocationCreateFromBitmap",    "(IIILandroid/graphics/Bitmap;I)I",      (void*)nAllocationCreateFromBitmap },
{"rsnAllocationCubeCreateFromBitmap","(IIILandroid/graphics/Bitmap;I)I",      (void*)nAllocationCubeCreateFromBitmap },

{"rsnAllocationCopyFromBitmap",      "(IILandroid/graphics/Bitmap;)V",        (void*)nAllocationCopyFromBitmap },
{"rsnAllocationCopyToBitmap",        "(IILandroid/graphics/Bitmap;)V",        (void*)nAllocationCopyToBitmap },

{"rsnAllocationSyncAll",             "(III)V",                                (void*)nAllocationSyncAll },
{"rsnAllocationData1D",              "(IIIII[II)V",                           (void*)nAllocationData1D_i },
{"rsnAllocationData1D",              "(IIIII[SI)V",                           (void*)nAllocationData1D_s },
{"rsnAllocationData1D",              "(IIIII[BI)V",                           (void*)nAllocationData1D_b },
{"rsnAllocationData1D",              "(IIIII[FI)V",                           (void*)nAllocationData1D_f },
{"rsnAllocationElementData1D",       "(IIIII[BI)V",                           (void*)nAllocationElementData1D },
{"rsnAllocationData2D",              "(IIIIIIII[II)V",                        (void*)nAllocationData2D_i },
{"rsnAllocationData2D",              "(IIIIIIII[SI)V",                        (void*)nAllocationData2D_s },
{"rsnAllocationData2D",              "(IIIIIIII[BI)V",                        (void*)nAllocationData2D_b },
{"rsnAllocationData2D",              "(IIIIIIII[FI)V",                        (void*)nAllocationData2D_f },
{"rsnAllocationRead",                "(II[I)V",                               (void*)nAllocationRead_i },
{"rsnAllocationRead",                "(II[S)V",                               (void*)nAllocationRead_s },
{"rsnAllocationRead",                "(II[B)V",                               (void*)nAllocationRead_b },
{"rsnAllocationRead",                "(II[F)V",                               (void*)nAllocationRead_f },
{"rsnAllocationGetType",             "(II)I",                                 (void*)nAllocationGetType},
{"rsnAllocationResize1D",            "(III)V",                                (void*)nAllocationResize1D },
{"rsnAllocationResize2D",            "(IIII)V",                               (void*)nAllocationResize2D },
{"rsnAllocationGenerateMipmaps",     "(II)V",                                 (void*)nAllocationGenerateMipmaps },

{"rsnScriptBindAllocation",          "(IIII)V",                               (void*)nScriptBindAllocation },
{"rsnScriptSetTimeZone",             "(II[B)V",                               (void*)nScriptSetTimeZone },
{"rsnScriptInvoke",                  "(III)V",                                (void*)nScriptInvoke },
{"rsnScriptInvokeV",                 "(III[B)V",                              (void*)nScriptInvokeV },
{"rsnScriptSetVarI",                 "(IIII)V",                               (void*)nScriptSetVarI },
{"rsnScriptSetVarJ",                 "(IIIJ)V",                               (void*)nScriptSetVarJ },
{"rsnScriptSetVarF",                 "(IIIF)V",                               (void*)nScriptSetVarF },
{"rsnScriptSetVarD",                 "(IIID)V",                               (void*)nScriptSetVarD },
{"rsnScriptSetVarV",                 "(III[B)V",                              (void*)nScriptSetVarV },
{"rsnScriptSetVarObj",               "(IIII)V",                               (void*)nScriptSetVarObj },

{"rsnScriptCCreate",                 "(ILjava/lang/String;Ljava/lang/String;[BI)I",  (void*)nScriptCCreate },

{"rsnProgramStoreCreate",            "(IZZZZZZIII)I",                         (void*)nProgramStoreCreate },

{"rsnProgramBindConstants",          "(IIII)V",                               (void*)nProgramBindConstants },
{"rsnProgramBindTexture",            "(IIII)V",                               (void*)nProgramBindTexture },
{"rsnProgramBindSampler",            "(IIII)V",                               (void*)nProgramBindSampler },

{"rsnProgramFragmentCreate",         "(ILjava/lang/String;[I)I",              (void*)nProgramFragmentCreate },
{"rsnProgramRasterCreate",           "(IZZZFI)I",                             (void*)nProgramRasterCreate },
{"rsnProgramVertexCreate",           "(ILjava/lang/String;[I)I",              (void*)nProgramVertexCreate },

{"rsnContextBindRootScript",         "(II)V",                                 (void*)nContextBindRootScript },
{"rsnContextBindProgramStore",       "(II)V",                                 (void*)nContextBindProgramStore },
{"rsnContextBindProgramFragment",    "(II)V",                                 (void*)nContextBindProgramFragment },
{"rsnContextBindProgramVertex",      "(II)V",                                 (void*)nContextBindProgramVertex },
{"rsnContextBindProgramRaster",      "(II)V",                                 (void*)nContextBindProgramRaster },

{"rsnSamplerBegin",                  "(I)V",                                  (void*)nSamplerBegin },
{"rsnSamplerSet",                    "(III)V",                                (void*)nSamplerSet },
{"rsnSamplerSet2",                   "(IIF)V",                                (void*)nSamplerSet2 },
{"rsnSamplerCreate",                 "(I)I",                                  (void*)nSamplerCreate },

{"rsnMeshCreate",                    "(III)I",                                (void*)nMeshCreate },
{"rsnMeshBindVertex",                "(IIII)V",                               (void*)nMeshBindVertex },
{"rsnMeshBindIndex",                 "(IIIII)V",                              (void*)nMeshBindIndex },
{"rsnMeshInitVertexAttribs",         "(II)V",                                 (void*)nMeshInitVertexAttribs },

{"rsnMeshGetVertexBufferCount",      "(II)I",                                 (void*)nMeshGetVertexBufferCount },
{"rsnMeshGetIndexCount",             "(II)I",                                 (void*)nMeshGetIndexCount },
{"rsnMeshGetVertices",               "(II[II)V",                              (void*)nMeshGetVertices },
{"rsnMeshGetIndices",                "(II[I[II)V",                            (void*)nMeshGetIndices },

};

static int registerFuncs(JNIEnv *_env)
{
    return android::AndroidRuntime::registerNativeMethods(
            _env, classPathName, methods, NELEM(methods));
}

// ---------------------------------------------------------------------------

jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
    JNIEnv* env = NULL;
    jint result = -1;

    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
        LOGE("ERROR: GetEnv failed\n");
        goto bail;
    }
    assert(env != NULL);

    if (registerFuncs(env) < 0) {
        LOGE("ERROR: MediaPlayer native registration failed\n");
        goto bail;
    }

    /* success -- return valid version number */
    result = JNI_VERSION_1_4;

bail:
    return result;
}