//
//   Copyright 2013 Pixar
//
//   Licensed under the Apache License, Version 2.0 (the "Apache License")
//   with the following modification; you may not use this file except in
//   compliance with the Apache License and the following modification to it:
//   Section 6. Trademarks. is deleted and replaced with:
//
//   6. Trademarks. This License does not grant permission to use the trade
//      names, trademarks, service marks, or product names of the Licensor
//      and its affiliates, except as required to comply with Section 4(c) of
//      the License and to reproduce the content of the NOTICE file.
//
//   You may obtain a copy of the Apache License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the Apache License with the above modification is
//   distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
//   KIND, either express or implied. See the Apache License for the specific
//   language governing permissions and limitations under the Apache License.
//

#include "d3d11Utils.h"
#include <D3DCompiler.h>

namespace D3D11Utils {

ID3DBlob *
CompileShader(const char *src, const char *entry, const char *spec) {
    DWORD dwShaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
#if defined(DEBUG) || defined(_DEBUG)
      dwShaderFlags |= D3DCOMPILE_DEBUG;
#endif

    ID3DBlob *pErrorBlob;
    ID3DBlob *pBlob;
    HRESULT hr = D3DCompile(src, strlen(src),
                            NULL,NULL,NULL, entry, spec,
                            dwShaderFlags, 0, &pBlob, &pErrorBlob);
    if (FAILED(hr)) {
        if (pErrorBlob) {
            OutputDebugStringA((char*)pErrorBlob->GetBufferPointer());
            pErrorBlob->Release();
        }
        return NULL;
    }
    if (pErrorBlob)
        pErrorBlob->Release();
    return pBlob;
}

}   // D3D11Utils
