rendercheck_d3d9.cpp
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/**
* Copyright 1993-2013 NVIDIA Corporation. All rights reserved.
*
* Please refer to the NVIDIA end user license agreement (EULA) associated
* with this source code for terms and conditions that govern your use of
* this software. Any use, reproduction, disclosure, or distribution of
* this software and related documentation outside the terms of the EULA
* is strictly prohibited.
*
*/
////////////////////////////////////////////////////////////////////////////////
//
// Utility funcs to wrap up savings a surface or the back buffer as a PPM file
// In addition, wraps up a threshold comparision of two PPMs.
//
// These functions are designed to be used to implement an automated QA testing for SDK samples.
//
// Author: Bryan Dudash
// Email: sdkfeedback@nvidia.com
//
// Copyright (c) NVIDIA Corporation. All rights reserved.
////////////////////////////////////////////////////////////////////////////////
#include <helper_functions.h>
#include <rendercheck_d3d9.h>
#include <d3dx9.h>
// originally copied from checkrender_gl.cpp and slightly modified
bool CheckRenderD3D9::PPMvsPPM(const char *src_file, const char *ref_file, const char *exec_path,
const float epsilon, const float threshold)
{
char *ref_file_path = sdkFindFilePath(ref_file, exec_path);
if (ref_file_path == NULL)
{
printf("CheckRenderD3D9::PPMvsPPM unable to find <%s> in <%s> Aborting comparison!\n", ref_file, exec_path);
printf(">>> Check info.xml and [project//data] folder <%s> <<<\n", ref_file);
printf("Aborting comparison!\n");
printf(" FAILURE!\n");
return false;
}
return (sdkComparePPM(src_file, ref_file_path, epsilon, threshold, true) == true);
};
HRESULT CheckRenderD3D9::BackbufferToPPM(IDirect3DDevice9 *pDevice, const char *zFileName)
{
IDirect3DSurface9 *pSurface = NULL;
if (FAILED(pDevice->GetBackBuffer(0,0,D3DBACKBUFFER_TYPE_MONO, &pSurface)))
{
printf("Unable to get the back buffer. Aborting...\n");
return E_FAIL;
}
//D3DXSaveSurfaceToFile("C:\\bing.dds",D3DXIFF_DDS,pSurface,NULL,NULL);
HRESULT hr = S_OK;
hr = SurfaceToPPM(pDevice,pSurface,zFileName);
pSurface->Release();
return hr;
}
HRESULT CheckRenderD3D9::SurfaceToPPM(IDirect3DDevice9 *pDevice, IDirect3DSurface9 *pSurface, const char *zFileName)
{
D3DSURFACE_DESC pDesc;
pSurface->GetDesc(&pDesc);
// $$ For now only support common 8bit formats. TODO: support for more complex formats via conversion?
if (!(pDesc.Format == D3DFMT_A8R8G8B8 || pDesc.Format == D3DFMT_X8R8G8B8))
{
return E_INVALIDARG;
}
IDirect3DTexture9 *pTargetTex = NULL;
if (FAILED(pDevice->CreateTexture(pDesc.Width,pDesc.Height,1,D3DUSAGE_DYNAMIC,pDesc.Format,D3DPOOL_SYSTEMMEM,&pTargetTex,NULL)))
{
printf("Unable to create texture for surface transfer! Aborting...\n");
return E_FAIL;
}
IDirect3DSurface9 *pTargetSurface = NULL;
if (FAILED(pTargetTex->GetSurfaceLevel(0,&pTargetSurface)))
{
printf("Unable to get surface for surface transfer! Aborting...\n");
return E_FAIL;
}
// This is required because we cannot lock a D3DPOOL_DEAULT surface directly. So, we copy to our sysmem surface.
if (FAILED(pDevice->GetRenderTargetData(pSurface,pTargetSurface)))
{
printf("Unable to GetRenderTargetData() for surface transfer! Aborting...\n");
return E_FAIL;
}
D3DLOCKED_RECT lockedRect;
HRESULT hr = pTargetSurface->LockRect(&lockedRect,NULL,0);
// Need to convert from dx pitch to pitch=width
//
// $ PPM is BGR and not RGB it seems. Saved image looks "funny" in viewer(red and blue swapped), but since ref will be dumped using same method, this is ok.
// however, if we want the saved image to be properly colored, then we can swizzle the color bytes here.
unsigned char *pPPMData = new unsigned char[pDesc.Width*pDesc.Height*4];
for (unsigned int iHeight = 0; iHeight<pDesc.Height; iHeight++)
{
#if 1 // swizzle to implment RGB to BGR conversion.
for (unsigned int iWidth = 0; iWidth< pDesc.Width; iWidth++)
{
DWORD color = *(DWORD *)((unsigned char *)(lockedRect.pBits)+iHeight*lockedRect.Pitch + iWidth*4);
// R<->B, [7:0] <-> [23:16], swizzle
color = ((color&0xFF)<<16) | (color&0xFF00) | ((color&0xFF0000)>>16) | (color&0xFF000000);
memcpy(&(pPPMData[(iHeight*pDesc.Width + iWidth)*4]),(unsigned char *)&color,4);
}
#else
memcpy(&(pPPMData[iHeight*pDesc.Width*4]),(unsigned char *)(lockedRect.pBits)+iHeight*lockedRect.Pitch,pDesc.Width*4);
#endif
}
pTargetSurface->UnlockRect();
// Prepends the PPM header info and bumps byte data afterwards
sdkSavePPM4ub(zFileName, pPPMData, pDesc.Width, pDesc.Height);
delete [] pPPMData;
pTargetSurface->Release();
pTargetTex->Release();
return S_OK;
}