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/*********************************************************************
*
* Copyright 2011 Intel Corporation
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*********************************************************************/
#include <stdlib.h>
#include <iostream>
#include "os_string.hpp"
#include "os_process.hpp"
#include "trace_tools.hpp"
namespace trace {
#if defined(__APPLE__)
#define TRACE_VARIABLE "DYLD_LIBRARY_PATH"
#define GL_TRACE_WRAPPER "OpenGL"
#elif defined(_WIN32)
#define GL_TRACE_WRAPPER "opengl32.dll"
#else
#define TRACE_VARIABLE "LD_PRELOAD"
#define GL_TRACE_WRAPPER "glxtrace.so"
#define EGL_TRACE_WRAPPER "egltrace.so"
#endif
static os::String
findWrapper(const char *wrapperFilename)
{
os::String wrapperPath;
os::String processDir = os::getProcessName();
processDir.trimFilename();
// Try relative build directory
// XXX: Just make build and install directory layout match
wrapperPath = processDir;
wrapperPath.join("wrappers");
wrapperPath.join(wrapperFilename);
if (wrapperPath.exists()) {
return wrapperPath;
}
// Try relative install directory
wrapperPath = processDir;
#if defined(_WIN32)
wrapperPath.join("..\\lib\\wrappers");
#elif defined(__APPLE__)
wrapperPath.join("../lib/wrappers");
#else
wrapperPath.join("../lib/apitrace/wrappers");
#endif
wrapperPath.join(wrapperFilename);
if (wrapperPath.exists()) {
return wrapperPath;
}
#ifndef _WIN32
// Try absolute install directory
wrapperPath = APITRACE_WRAPPER_INSTALL_DIR;
wrapperPath.join(wrapperFilename);
if (wrapperPath.exists()) {
return wrapperPath;
}
#endif
return "";
}
int
traceProgram(API api,
char * const *argv,
const char *output,
bool verbose)
{
const char *wrapperFilename;
/*
* TODO: simplify code
*/
switch (api) {
case API_GL:
wrapperFilename = GL_TRACE_WRAPPER;
break;
#ifdef EGL_TRACE_WRAPPER
case API_EGL:
wrapperFilename = EGL_TRACE_WRAPPER;
break;
#endif
#ifdef _WIN32
case API_D3D7:
wrapperFilename = "ddraw.dll";
break;
case API_D3D8:
wrapperFilename = "d3d8.dll";
break;
case API_D3D9:
wrapperFilename = "d3d9.dll";
break;
case API_D3D10:
wrapperFilename = "d3d10.dll";
break;
#endif
default:
std::cerr << "error: unsupported API\n";
return 1;
}
os::String wrapperPath = findWrapper(wrapperFilename);
if (!wrapperPath.length()) {
std::cerr << "error: failed to find " << wrapperFilename << "\n";
return 1;
}
#if defined(_WIN32)
/* On Windows copy the wrapper to the program directory.
*/
os::String tmpWrapper(argv[0]);
tmpWrapper.trimFilename();
tmpWrapper.join(wrapperFilename);
if (verbose) {
std::cerr << wrapperPath << " -> " << tmpWrapper << "\n";
}
if (tmpWrapper.exists()) {
std::cerr << "error: not overwriting " << tmpWrapper << "\n";
return 1;
}
if (!os::copyFile(wrapperPath, tmpWrapper, false)) {
std::cerr << "error: failed to copy " << wrapperPath << " into " << tmpWrapper << "\n";
return 1;
}
#endif /* _WIN32 */
#if defined(__APPLE__)
/* On Mac OS X, using DYLD_LIBRARY_PATH, we actually set the
* directory, not the file. */
wrapperPath.trimFilename();
#endif
#if defined(TRACE_VARIABLE)
if (verbose) {
std::cerr << TRACE_VARIABLE << "=" << wrapperPath.str() << "\n";
}
/* FIXME: Don't modify the current environment */
os::setEnvironment(TRACE_VARIABLE, wrapperPath.str());
#endif /* TRACE_VARIABLE */
if (output) {
os::setEnvironment("TRACE_FILE", output);
}
if (verbose) {
const char *sep = "";
for (char * const * arg = argv; *arg; ++arg) {
std::cerr << *arg << sep;
sep = " ";
}
std::cerr << "\n";
}
int status = os::execute(argv);
#if defined(TRACE_VARIABLE)
os::unsetEnvironment(TRACE_VARIABLE);
#endif
#if defined(_WIN32)
os::removeFile(tmpWrapper);
#endif
if (output) {
os::unsetEnvironment("TRACE_FILE");
}
return status;
}
} /* namespace trace */
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