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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_resource.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 TRACE_VARIABLE ""
#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
int
traceProgram(API api,
char * const *argv,
const char *output,
bool verbose)
{
const char *relPath;
const char *absPath;
switch (api) {
case API_GL:
relPath = "wrappers/" GL_TRACE_WRAPPER;
absPath = APITRACE_WRAPPER_INSTALL_DIR "/" GL_TRACE_WRAPPER;
break;
case API_EGL:
#ifndef EGL_TRACE_WRAPPER
std::cerr << "error: unsupported API\n";
return 1;
#else
relPath = "wrappers/" EGL_TRACE_WRAPPER;
absPath = APITRACE_WRAPPER_INSTALL_DIR "/" EGL_TRACE_WRAPPER;
break;
#endif
default:
std::cerr << "error: invalid API\n";
return 1;
}
os::String wrapper;
wrapper = findFile(relPath, absPath, verbose);
if (!wrapper.length()) {
return 1;
}
#if defined(_WIN32)
std::cerr <<
"The 'apitrace trace' command is not supported for this operating system.\n"
"Instead, you will need to copy opengl32.dll, d3d8.dll, or d3d9.dll from\n"
APITRACE_WRAPPER_INSTALL_DIR "\n"
"to the directory with the application to trace, then run the application.\n";
return 1;
#else
#if defined(__APPLE__)
/* On Mac OS X, using DYLD_LIBRARY_PATH, we actually set the
* directory, not the file. */
wrapper.trimFilename();
#endif
if (verbose) {
std::cerr << TRACE_VARIABLE << "=" << wrapper.str() << "\n";
}
/* FIXME: Don't modify the current environment */
setenv(TRACE_VARIABLE, wrapper.str(), 1);
if (output) {
setenv("TRACE_FILE", output, 1);
}
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);
unsetenv(TRACE_VARIABLE);
if (output) {
unsetenv("TRACE_FILE");
}
return status;
#endif
}
} /* namespace trace */
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