1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #include "javax_microedition_m3g_Mesh.h"

    19 

    20 JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Mesh__1getIndexBuffer

    21 (JNIEnv* aEnv, jclass, jint aHandle, jint aIndex)

    22 {

    23     M3G_DO_LOCK

    24     jint buffer = (M3Guint)m3gGetIndexBuffer((M3GMesh)aHandle, aIndex);

    25     M3G_DO_UNLOCK(aEnv)

    26     return buffer;

    27 }

    28 

    29 JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Mesh__1getSubmeshCount

    30 (JNIEnv* aEnv, jclass, jint aHandle)

    31 {

    32     M3G_DO_LOCK

    33     jint count = (M3Guint)m3gGetSubmeshCount((M3GMesh)aHandle);

    34     M3G_DO_UNLOCK(aEnv)

    35     return count;

    36 }

    37 

    38 JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Mesh__1ctor

    39 (JNIEnv* aEnv, jclass, jint aM3g, jint aHVertices, jintArray aHTriangles, jintArray aHAppearances)

    40 {

    41     if (aHVertices == 0 || aHTriangles == NULL)

    42     {

    43         M3G_RAISE_EXCEPTION(aEnv, "java/lang/NullPointerException");

    44         return 0;

    45     }

    46 

    47     int trianglesLen = aEnv->GetArrayLength(aHTriangles);

    48     int appearancesLen = aHAppearances ? aEnv->GetArrayLength(aHAppearances) : 0;

    49     if (trianglesLen == 0 || (aHAppearances != NULL && appearancesLen < trianglesLen))

    50     {

    51         M3G_RAISE_EXCEPTION(aEnv, "java/lang/IllegalArgumentException");

    52         return 0;

    53     }

    54 

    55     jint* triangle = aEnv->GetIntArrayElements(aHTriangles, NULL);

    56     if (triangle == NULL)

    57     {

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

    59         return 0;

    60     }

    61 

    62     jint* appearance = NULL;

    63     if (aHAppearances)

    64     {

    65         appearance = aEnv->GetIntArrayElements(aHAppearances, NULL);

    66         if (appearance == NULL)

    67         {

    68             aEnv->ReleaseIntArrayElements(aHTriangles, triangle, JNI_ABORT);

    69 

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

    71             return 0;

    72         }

    73     }

    74     M3G_DO_LOCK

    75     M3Guint ret = (M3Guint)m3gCreateMesh((M3GInterface)aM3g,

    76                                          (M3GVertexBuffer)aHVertices,

    77                                          (M3GIndexBuffer*)triangle,

    78                                          (M3GAppearance*)appearance,

    79                                          trianglesLen);

    80     M3G_DO_UNLOCK(aEnv)

    81 

    82     if (triangle)

    83     {

    84         aEnv->ReleaseIntArrayElements(aHTriangles, triangle, JNI_ABORT);

    85     }

    86     if (appearance)

    87     {

    88         aEnv->ReleaseIntArrayElements(aHAppearances, appearance, JNI_ABORT);

    89     }

    90 

    91     return ret;

    92 }

    93 

    94 JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Mesh__1getVertexBuffer

    95 (JNIEnv* aEnv, jclass, jint aHandle)

    96 {

    97     M3G_DO_LOCK

    98     jint vBuffer = (M3Guint)m3gGetVertexBuffer((M3GMesh)aHandle);

    99     M3G_DO_UNLOCK(aEnv)

   100     return vBuffer;

   101 }

   102 

   103 JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Mesh__1getAppearance

   104 (JNIEnv* aEnv, jclass, jint aHandle, jint aIndex)

   105 {

   106     M3G_DO_LOCK

   107     jint appearence = (M3Guint)m3gGetAppearance((M3GMesh)aHandle, aIndex);

   108     M3G_DO_UNLOCK(aEnv)

   109     return appearence;

   110 }

   111 

   112 JNIEXPORT void JNICALL Java_javax_microedition_m3g_Mesh__1setAppearance

   113 (JNIEnv* aEnv, jclass, jint aHandle, jint aIndex, jint aHAppearance)

   114 {

   115     M3G_DO_LOCK

   116     m3gSetAppearance((M3GMesh)aHandle, aIndex, (M3GAppearance)aHAppearance);

   117     M3G_DO_UNLOCK(aEnv)

   118 }