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VEX/VEX_Ops.C
/*
* Copyright (c) 2018
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples in source and
* binary forms, with or without modification, are permitted provided that the
* following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `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 SIDE EFFECTS SOFTWARE 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.
*
*----------------------------------------------------------------------------
* This is a sample VEX operator DSO
*/
#if defined(LINUX)
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <UT/UT_Thread.h>
#include <VEX/VEX_VexOp.h>
using namespace UT::Literal;
namespace HDK_Sample {
//
// Callback for time() function
//
template <VEX_Precision PREC>
static void
pid_Evaluate(int, void *argv[], void *)
{
VEXint<PREC> *result = (VEXint<PREC> *)argv[0];
*result = getpid();
}
template <VEX_Precision PREC>
static void
tid_Evaluate(int, void *argv[], void *)
{
VEXint<PREC> *result = (VEXint<PREC> *)argv[0];
}
template <VEX_Precision PREC>
static void
printStuff(int, void *argv[], void *)
{
VEXint<PREC> *result = (VEXint<PREC> *)argv[0];
static int callCount = 0;
fprintf(stderr, "Still here %d\n", callCount++);
result[0] = 0;
}
static void *
initFunc()
{
fprintf(stderr, "Init\n");
return 0;
}
static void
cleanupFunc(void *data)
{
fprintf(stderr, "Cleanup: Data = %p\n", data);
}
}
//
// Installation function
//
using namespace HDK_Sample;
void
newVEXOp(void *)
{
//
// Returns a random number based on the seed passed in
new VEX_VexOp("getpid@&I"_sh, pid_Evaluate<VEX_32>,
initFunc, cleanupFunc, VEX_OPTIMIZE_1);
new VEX_VexOp("gettid@&I"_sh, tid_Evaluate<VEX_32>,
new VEX_VexOp("sticky@&I"_sh, printStuff<VEX_32>,
new VEX_VexOp("rcode@&I*F*FFF"_sh, printStuff<VEX_32>,
0, 0, VEX_OPTIMIZE_0, true);
new VEX_VexOp("rcode@&I*F*FS"_sh, printStuff<VEX_32>,
}
#endif