private synchronized void initProjectionMatrix(int projectionNumber) {
// load projection Matrix for current Projection.
SimpleMatrix pMat = getGeometry().getProjectionMatrix(projectionNumber).computeP();
float[] pMatFloat = new float[pMat.getCols() * pMat.getRows()];
for (int j = 0; j < pMat.getRows(); j++) {
for (int i = 0; i < pMat.getCols(); i++) {
pMatFloat[(j * pMat.getCols()) + i] = (float) pMat.getElement(j, i);
}
}
JCudaDriver.cuMemcpyHtoD(
projectionMatrix, Pointer.to(pMatFloat), Sizeof.FLOAT * pMatFloat.length);
}
private synchronized void initProjectionMatrix(int projectionNumber) {
// load projection Matrix for current Projection.
SimpleMatrix pMat = getGeometry().getProjectionMatrix(projectionNumber).computeP();
float[] pMatFloat = new float[pMat.getCols() * pMat.getRows()];
for (int j = 0; j < pMat.getRows(); j++) {
for (int i = 0; i < pMat.getCols(); i++) {
pMatFloat[(j * pMat.getCols()) + i] = (float) pMat.getElement(j, i);
}
}
// Obtain the global pointer to the view matrix from
// the module
if (projectionMatrix == null)
projectionMatrix = context.createFloatBuffer(pMatFloat.length, Mem.READ_ONLY);
projectionMatrix.getBuffer().put(pMatFloat);
projectionMatrix.getBuffer().rewind();
commandQueue.putWriteBuffer(projectionMatrix, true).finish();
}
public static void printSimpleMatrix(SimpleMatrix A) {
int n = A.getRows();
int m = A.getCols();
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
System.out.print(A.getElement(i, j) + "\t");
}
System.out.print("\n");
}
}