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/*
* Copyright 2009, Google Inc.
* 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 Google Inc. 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.
*/
//
// This file contains the defintions of the functions in the
// conditioner namespace, which do the bulk of the work of
// conditioning a Collada file for use in O3D.
#include "import/cross/precompile.h"
#include <sys/wait.h>
#include <vector>
#include "base/base_paths.h"
#include "base/file_path.h"
#include "base/path_service.h"
#include "core/cross/error.h"
#include "core/cross/service_locator.h"
#include "import/cross/collada.h"
#include "import/cross/collada_conditioner.h"
namespace o3d {
bool ColladaConditioner::CompileHLSL(const String& shader_source,
const String& vs_entry,
const String& ps_entry) {
// The HLSL compiler isn't available on Linux.
return true;
}
// Find cgc executable, and run it on the input so that we can get a
// preprocessed version out.
bool ColladaConditioner::PreprocessShaderFile(const FilePath& in_filename,
const FilePath& out_filename) {
FilePath executable_path;
if (!PathService::Get(base::DIR_EXE, &executable_path)) {
O3D_ERROR(service_locator_) << "Couldn't get executable path.";
return false;
}
executable_path = executable_path.Append(FILE_PATH_LITERAL("cgc"));
std::vector<const char*> args;
args.push_back(executable_path.value().c_str());
args.push_back("-E");
args.push_back(in_filename.value().c_str());
args.push_back("-o");
args.push_back(out_filename.value().c_str());
args.push_back(NULL);
char** args_array = const_cast<char**>(&*args.begin());
pid_t pid = ::fork();
if (pid < 0) {
return false;
}
if (pid == 0) {
DLOG(INFO) << "Now invoking '"
<< args_array[0] << " "
<< args_array[1] << " "
<< args_array[2] << " "
<< args_array[3] << " "
<< args_array[4] << "'";
char *environ[] = {NULL};
::execve(args[0], args_array, environ);
NOTREACHED() << "Problems invoking "
<< args_array[0] << " "
<< args_array[1] << " "
<< args_array[2] << " "
<< args_array[3] << " "
<< args_array[4];
}
int status;
::wait(&status);
if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
return true;
} else {
if (WIFEXITED(status)) {
DLOG(ERROR) << "Cgc terminated with status: " << WEXITSTATUS(status);
}
if (WIFSIGNALED(status)) {
DLOG(ERROR) << "Cgc received a signal: " << WTERMSIG(status);
if (WCOREDUMP(status)) {
DLOG(ERROR) << "and Cgc dumped a core file.";
}
}
if (WIFSTOPPED(status)) {
DLOG(ERROR) << "Cgc is stopped on a signal: " << WSTOPSIG(status);
}
}
return false;
}
} // end namespace o3d
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