/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#include "javax_microedition_m3g_TriangleStripArray.h"

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_TriangleStripArray__1createImplicit

(JNIEnv* aEnv, jclass, jint aM3g, jint first, jintArray aLengthArray)

{

    M3GIndexBuffer buffer;

    int *lengths = NULL;

    if (aLengthArray)

    {

        lengths = (int *)(aEnv->GetIntArrayElements(aLengthArray, NULL));

        if (lengths == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return 0;

        }

    }

    int count = aLengthArray != NULL ? aEnv->GetArrayLength(aLengthArray) : 0;

    M3G_DO_LOCK

    buffer = m3gCreateImplicitStripBuffer((M3GInterface)aM3g,

                                          count,

                                          lengths,

                                          first);

    M3G_DO_UNLOCK(aEnv)

    if (lengths)

    {

        aEnv->ReleaseIntArrayElements(aLengthArray, lengths, JNI_ABORT);

    }

    return (M3Guint) buffer;

}

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_TriangleStripArray__1createExplicit

(JNIEnv* aEnv, jclass, jint aM3g, jintArray aIndices, jintArray aLengths)

{

    M3GIndexBuffer buffer;

    jint* lengths = NULL;

    jint* indices = NULL;

    if (aLengths)

    {

        lengths = aEnv->GetIntArrayElements(aLengths, NULL);

        if (lengths == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return 0;

        }

    }

    if (aIndices)

    {

        indices = aEnv->GetIntArrayElements(aIndices, NULL);

        if (indices == NULL)

        {

            if (lengths)

            {

                aEnv->ReleaseIntArrayElements(aLengths, lengths, JNI_ABORT);

            }

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return 0;

        }

    }

    M3G_DO_LOCK

    buffer = m3gCreateStripBuffer((M3GInterface)aM3g,

                                  M3G_TRIANGLE_STRIPS,

                                  aLengths != NULL ? aEnv->GetArrayLength(aLengths) : 0,

                                  (M3Gsizei *)lengths,

                                  M3G_INT,

                                  aIndices != NULL ? aEnv->GetArrayLength(aIndices) : 0,

                                  (void *)indices);

    M3G_DO_UNLOCK(aEnv)

    if (indices)

    {

        aEnv->ReleaseIntArrayElements(aIndices, indices, JNI_ABORT);

    }

    if (lengths)

    {

        aEnv->ReleaseIntArrayElements(aLengths, lengths, JNI_ABORT);

    }

    return (M3Guint) buffer;

}

/* M3G 1.1 JNI Calls */

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_TriangleStripArray__1getIndexCount

(JNIEnv* aEnv, jclass, jint aHTsa)

{

    M3G_DO_LOCK

    jint size = (jint)m3gGetBatchSize((M3GIndexBuffer)aHTsa, 0);

    M3G_DO_UNLOCK(aEnv)

    return size;

}

JNIEXPORT void JNICALL Java_javax_microedition_m3g_TriangleStripArray__1getIndices

(JNIEnv* aEnv, jclass, jint aHTsa, jintArray aIndices)

{

    jint* indices = NULL;

    if (aIndices)

    {

        indices = aEnv->GetIntArrayElements(aIndices, NULL);

        if (indices == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return;

        }

    }

    M3G_DO_LOCK

    m3gGetBatchIndices((M3GIndexBuffer)aHTsa, 0, indices);

    M3G_DO_UNLOCK(aEnv)

    if (indices)

    {

        aEnv->ReleaseIntArrayElements(aIndices, indices, 0);

    }

}