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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 <vector>
#import <Cocoa/Cocoa.h>
#include "base/base_paths.h"
#include "base/file_path.h"
#include "base/path_service.h"
#include "core/cross/error.h"
#include "import/cross/collada.h"
#include "import/cross/collada_conditioner.h"
#include "utils/cross/file_path_utils.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 Mac.
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"));
// Have to convert the file paths to UTF-8
std::string executable_path_utf8 = FilePathToUTF8(executable_path);
std::string in_filename_utf8 = FilePathToUTF8(in_filename);
std::string out_filename_utf8 = FilePathToUTF8(out_filename);
DLOG(INFO) << "Now invoking '"
<< executable_path_utf8 << " -E "
<< in_filename_utf8 << " -o "
<< out_filename_utf8 << "'";
// Now we have to convert the UTF-8 file paths to NSStrings.
NSString *executable_path_ns =
[[[NSString alloc] initWithUTF8String:executable_path_utf8.c_str()]
autorelease];
NSString *in_filename_ns =
[[[NSString alloc] initWithUTF8String:in_filename_utf8.c_str()]
autorelease];
NSString *out_filename_ns =
[[[NSString alloc] initWithUTF8String:out_filename_utf8.c_str()]
autorelease];
NSTask *task = [[[NSTask alloc] init] autorelease];
[task setLaunchPath:executable_path_ns];
[task setArguments:[NSArray arrayWithObjects:@"-E", in_filename_ns,
@"-o", out_filename_ns, nil]];
// We send the output to a pipe, even though the tool doesn't really
// output anything. This is so that the invocation of the command
// will be synchronous, and we can be sure that the output file has
// been written by the time we exit this function.
NSPipe *pipe = [NSPipe pipe];
[task setStandardOutput:pipe];
[task launch];
NSData *data = [[pipe fileHandleForReading] readDataToEndOfFile];
return true;
}
} // end namespace o3d
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