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GiantsTools/Sdk/External/DirectXTK/Src/DirectXHelpers.cpp
2021-01-23 15:40:09 -08:00

55 lines
1.3 KiB
C++

//--------------------------------------------------------------------------------------
// File: DirectXHelpers.cpp
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248929
//--------------------------------------------------------------------------------------
#include "pch.h"
#include "DirectXHelpers.h"
#include "Effects.h"
#include "PlatformHelpers.h"
using namespace DirectX;
_Use_decl_annotations_
HRESULT DirectX::CreateInputLayoutFromEffect(
ID3D11Device* device,
IEffect* effect,
const D3D11_INPUT_ELEMENT_DESC* desc,
size_t count,
ID3D11InputLayout** pInputLayout) noexcept
{
if (!pInputLayout)
return E_INVALIDARG;
*pInputLayout = nullptr;
if (!device || !effect || !desc || !count)
return E_INVALIDARG;
void const* shaderByteCode;
size_t byteCodeLength;
try
{
effect->GetVertexShaderBytecode(&shaderByteCode, &byteCodeLength);
}
catch (com_exception e)
{
return e.get_result();
}
catch (...)
{
return E_FAIL;
}
return device->CreateInputLayout(
desc, static_cast<UINT>(count),
shaderByteCode, byteCodeLength,
pInputLayout);
}