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//
// 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 NVIDIA CORPORATION 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 ``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.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#ifndef UTILS_H
#define UTILS_H
#pragma warning(push)
#pragma warning(disable : 4917)
#pragma warning(disable : 4365)
#pragma warning(disable : 4350)
#include <DeviceManager.h>
#include <d3dcompiler.h>
#include <assert.h>
#include <sstream>
#pragma warning(pop)
#include "PxPreprocessor.h"
#pragma warning(disable : 4505)
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// MACROS
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef V_RETURN
#define V_RETURN(x) \
{ \
hr = (x); \
if(FAILED(hr)) \
{ \
return hr; \
} \
}
#endif
#ifndef V
#define V(x) \
{ \
HRESULT hr = (x); \
_ASSERT(SUCCEEDED(hr)); \
}
#endif
#ifndef SAFE_RELEASE
#define SAFE_RELEASE(p) \
{ \
if(p) \
{ \
(p)->Release(); \
(p) = NULL; \
} \
}
#endif
#ifndef SAFE_DELETE
#define SAFE_DELETE(p) \
{ \
if(p) \
{ \
delete (p); \
(p) = NULL; \
} \
}
#endif
#define ASSERT_PRINT(cond, format, ...) \
if(!(cond)) \
{ \
messagebox_printf("Assertion Failed!", MB_OK | MB_ICONERROR, #cond "\n" format, __VA_ARGS__); \
assert(cond); \
}
HRESULT messagebox_printf(const char* caption, UINT mb_type, const char* format, ...);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// SHADER HELPERS
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static HRESULT CompileShaderFromFile(const char* szFileName, LPCSTR szEntryPoint, LPCSTR szShaderModel,
ID3DBlob** ppBlobOut)
{
HRESULT hr = S_OK;
ID3DBlob* pErrorBlob;
WCHAR wFileName[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, szFileName, -1, wFileName, MAX_PATH);
wFileName[MAX_PATH - 1] = 0;
hr = D3DCompileFromFile(wFileName, NULL, D3D_COMPILE_STANDARD_FILE_INCLUDE, szEntryPoint, szShaderModel, D3D10_SHADER_ENABLE_STRICTNESS, 0,
ppBlobOut, &pErrorBlob);
if(FAILED(hr))
{
OutputDebugStringA((char*)pErrorBlob->GetBufferPointer());
SAFE_RELEASE(pErrorBlob);
return hr;
}
SAFE_RELEASE(pErrorBlob);
return S_OK;
}
static HRESULT createShader(ID3D11Device* pDev, const void* pData, size_t len, ID3D11VertexShader** ppShd, bool)
{
return pDev->CreateVertexShader(pData, len, nullptr, ppShd);
}
static HRESULT createShader(ID3D11Device* pDev, const void* pData, size_t len, ID3D11GeometryShader** ppShd,
bool forceFast)
{
PX_UNUSED(forceFast);
return pDev->CreateGeometryShader(pData, len, nullptr, ppShd);
}
static HRESULT createShader(ID3D11Device* pDev, const void* pData, size_t len, ID3D11PixelShader** ppShd, bool)
{
return pDev->CreatePixelShader(pData, len, nullptr, ppShd);
}
static const char* shaderModel(ID3D11VertexShader**)
{
return "vs_5_0";
}
static const char* shaderModel(ID3D11GeometryShader**)
{
return "gs_5_0";
}
static const char* shaderModel(ID3D11PixelShader**)
{
return "ps_5_0";
}
// Give back the shader buffer blob for use in CreateVertexLayout. Caller must release the blob.
template <class S>
static HRESULT createShaderFromFile(ID3D11Device* pDev, const char* szFileName, LPCSTR szEntryPoint, S** ppShd,
ID3DBlob*& pShaderBuffer, bool forceFast = false)
{
HRESULT hr = CompileShaderFromFile(szFileName, szEntryPoint, shaderModel(ppShd), &pShaderBuffer);
if(SUCCEEDED(hr) && pShaderBuffer)
{
const void* shaderBufferData = pShaderBuffer->GetBufferPointer();
const UINT shaderBufferSize = pShaderBuffer->GetBufferSize();
createShader(pDev, shaderBufferData, shaderBufferSize, ppShd, forceFast);
}
return hr;
}
// Overloaded, same as above but don't give back the shader buffer blob.
template <class S>
static HRESULT createShaderFromFile(ID3D11Device* pDev, const char* szFileName, LPCSTR szEntryPoint, S** ppShd,
bool forceFast = false)
{
ID3DBlob* pShaderBuffer = NULL;
HRESULT hr = createShaderFromFile(pDev, szFileName, szEntryPoint, ppShd, pShaderBuffer, forceFast);
SAFE_RELEASE(pShaderBuffer);
return hr;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static const char* strext(const char* str)
{
const char* ext = NULL; // by default no extension found!
while (str)
{
str = strchr(str, '.');
if (str)
{
str++;
ext = str;
}
}
return ext;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#endif
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