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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 defines platform-specific implementations of certain
// methods of ColladaConditioner.
#include "import/cross/precompile.h"
#include <d3dx9effect.h>
#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 {
const int kTimeoutInSeconds = 30;
bool ColladaConditioner::CompileHLSL(const String& shader_source,
const String& vs_entry,
const String& ps_entry) {
bool retval = false;
String shader_source_hlsl = shader_source;
shader_source_hlsl +=
"technique t {\n"
" pass p {\n"
" VertexShader = compile vs_2_0 " + vs_entry + "();\n"
" PixelShader = compile ps_2_0 " + ps_entry + "();\n"
" }\n"
"};\n";
// Create an effect compiler from the FX file.
ID3DXEffectCompiler* compiler = NULL;
ID3DXBuffer* parse_errors = NULL;
HRESULT hr = ::D3DXCreateEffectCompiler(shader_source_hlsl.c_str(),
static_cast<UINT>(
shader_source_hlsl.size()),
NULL,
NULL,
0,
&compiler,
&parse_errors);
if (hr != D3D_OK) {
const char* error_str = reinterpret_cast<const char*>(
parse_errors->GetBufferPointer());
O3D_ERROR(service_locator_) << error_str;
} else {
ID3DXBuffer* effect_buffer;
ID3DXBuffer* error_buffer;
hr = compiler->CompileEffect(0, &effect_buffer, &error_buffer);
if (hr != S_OK) {
const char* compile_errors = reinterpret_cast<const char*>(
error_buffer->GetBufferPointer());
O3D_ERROR(service_locator_) << compile_errors;
} else {
retval = true;
if (effect_buffer) effect_buffer->Release();
if (error_buffer) error_buffer->Release();
}
if (compiler) compiler->Release();
if (parse_errors) parse_errors->Release();
}
return retval;
}
// 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.exe"));
std::wstring cmd;
cmd = L"\"" + executable_path.value() + L"\" ";
cmd += L"-E \"" + in_filename.value() + L"\" ";
cmd += L"-o \"" + out_filename.value() + L"\"";
// Have to dup the string because CreateProcessW might modify the
// contents.
wchar_t* buf = ::_wcsdup(cmd.c_str());
// Initialize structure to zero with default array initializer.
PROCESS_INFORMATION process_info = {0};
// Initialize structure to it's size, followed by zeros.
STARTUPINFO startup_info = {sizeof(STARTUPINFO)};
BOOL success = ::CreateProcessW(NULL,
buf,
NULL,
NULL,
TRUE,
0,
NULL,
NULL,
&startup_info,
&process_info);
if (success) {
success = FALSE;
int exit_code = ::WaitForSingleObject(process_info.hProcess,
kTimeoutInSeconds * 1000);
if (exit_code == WAIT_OBJECT_0) {
success = TRUE;
} else if (exit_code == WAIT_TIMEOUT) {
O3D_ERROR(service_locator_) << "Timed out waiting for cg compiler!";
} else {
O3D_ERROR(service_locator_) << "Couldn't start cg compiler (cgc.exe).";
}
} else {
O3D_ERROR(service_locator_) << "Couldn't start cg compiler (cgc.exe).";
}
::CloseHandle(process_info.hProcess);
::CloseHandle(process_info.hThread);
::free(buf);
return success == TRUE;
}
} // end namespace o3d
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