2002-11-19 03:50:57 -05:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2002 Light Weight Java Game Library Project
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions are
|
|
|
|
* met:
|
|
|
|
*
|
|
|
|
* * Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
*
|
|
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* * Neither the name of 'Light Weight Java Game Library' nor the names of
|
|
|
|
* its contributors may be used to endorse or promote products derived
|
|
|
|
* from this software without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/**
|
|
|
|
* $Id$
|
|
|
|
*
|
2002-11-25 08:18:25 -05:00
|
|
|
* math library.
|
2002-11-19 03:50:57 -05:00
|
|
|
*
|
2002-11-25 08:18:25 -05:00
|
|
|
* @author cix_foo <cix_foo@users.sourceforge.net>
|
2002-11-19 03:50:57 -05:00
|
|
|
* @version $Revision$
|
|
|
|
*/
|
|
|
|
|
2002-11-25 08:18:25 -05:00
|
|
|
#ifdef _WIN32
|
|
|
|
#include <windows.h>
|
|
|
|
#endif
|
|
|
|
|
2002-11-19 03:50:57 -05:00
|
|
|
#include "org_lwjgl_Math_MatrixOpSubtract_MatrixOpDirect.h"
|
|
|
|
#include "MatrixOpCommon.h"
|
|
|
|
/*
|
|
|
|
* Class: org_lwjgl_Math_MatrixOpSubtract_MatrixOpDirect
|
|
|
|
* Method: execute
|
|
|
|
* Signature: (IIIIIZIIIIIZIIZ)V
|
|
|
|
*/
|
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_Math_00024MatrixOpSubtract_00024MatrixOpDirect_execute
|
|
|
|
(
|
|
|
|
JNIEnv * env,
|
|
|
|
jobject obj,
|
|
|
|
jint leftSourceAddress,
|
|
|
|
jint leftSourceStride,
|
|
|
|
jint leftElements,
|
|
|
|
jint leftSourceWidth,
|
|
|
|
jint leftSourceHeight,
|
|
|
|
jboolean transposeLeftSource,
|
|
|
|
jint rightSourceAddress,
|
|
|
|
jint rightSourceStride,
|
|
|
|
jint rightElements,
|
|
|
|
jint rightSourceWidth,
|
|
|
|
jint rightSourceHeight,
|
|
|
|
jboolean transposeRightSource,
|
|
|
|
jint destAddress,
|
|
|
|
jint destStride,
|
|
|
|
jboolean transposeDest
|
|
|
|
)
|
|
|
|
{
|
|
|
|
if (transposeLeftSource && transposeRightSource)
|
|
|
|
{
|
|
|
|
transposeLeftSource = false;
|
|
|
|
transposeRightSource = false;
|
|
|
|
transposeDest = !transposeDest;
|
|
|
|
}
|
|
|
|
|
|
|
|
MatrixSrc left (leftSourceAddress, leftSourceStride,
|
|
|
|
leftSourceWidth, leftSourceHeight, leftElements, transposeLeftSource);
|
|
|
|
MatrixSrc right (rightSourceAddress, leftSourceStride,
|
|
|
|
rightSourceWidth, rightSourceHeight, rightElements, transposeRightSource);
|
|
|
|
MatrixDst dest (destAddress, destStride,
|
|
|
|
left.width, left.height, left.elements * right.elements, transposeDest);
|
|
|
|
|
|
|
|
dest.configureBuffer(left, right);
|
|
|
|
|
|
|
|
float * leftMatrix, * rightMatrix, * destMatrix;
|
|
|
|
|
|
|
|
left.rewind();
|
|
|
|
for (int i = 0; i < left.elements; i++)
|
|
|
|
{
|
|
|
|
leftMatrix = left.nextMatrix();
|
|
|
|
|
|
|
|
right.rewind();
|
|
|
|
for (int j = 0; j < right.elements; j++)
|
|
|
|
{
|
|
|
|
rightMatrix = right.nextMatrix();
|
|
|
|
destMatrix = dest.nextMatrix();
|
|
|
|
|
|
|
|
int k = dest.width * dest.height;
|
|
|
|
while (k--)
|
|
|
|
destMatrix[k] = leftMatrix[k] - rightMatrix[k];
|
|
|
|
|
|
|
|
dest.writeComplete();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|