source-engine/utils/vtfdiff/vtfdiff.cpp

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "vtf/vtf.h"
#include "tier1/UtlBuffer.h"
#include "tier1/utlmap.h"
#include "bitmap/imageformat.h"
#include "mathlib/vector.h"
#include <conio.h>
void Usage( void )
{
printf( "Usage: vtfdiff file1.vtf file2.vtf\n" );
}
bool LoadFileIntoBuffer( const char *pFileName, CUtlBuffer &buf )
{
struct _stat statBuf;
if( _stat( pFileName, &statBuf ) != 0 )
{
goto error;
}
buf.EnsureCapacity( statBuf.st_size );
FILE *fp;
fp = fopen( pFileName, "rb" );
if( !fp )
{
goto error;
}
int nBytesRead = fread( buf.Base(), 1, statBuf.st_size, fp );
fclose( fp );
buf.SeekPut( CUtlBuffer::SEEK_HEAD, nBytesRead );
return true;
error:
printf( "Can't find file %s\n", pFileName );
return false;
}
char const * ResourceToString( uint32 uiResType )
{
static char chBuffer[256];
switch ( uiResType )
{
case VTF_LEGACY_RSRC_LOW_RES_IMAGE:
return "VTF_LEGACY_RSRC_LOW_RES_IMAGE";
case VTF_LEGACY_RSRC_IMAGE:
return "VTF_LEGACY_RSRC_IMAGE";
case VTF_RSRC_SHEET:
return "VTF_RSRC_SHEET";
case MK_VTF_RSRC_ID( 'C','R','C' ):
return "CRC";
case VTF_RSRC_TEXTURE_LOD_SETTINGS:
return "VTF_RSRC_TEXTURE_LOD_SETTINGS";
default:
sprintf( chBuffer, "0x%08X", uiResType );
return chBuffer;
}
return chBuffer;
}
void PrintFlags( int flags )
{
#define PRNFLAG( flagname ) \
if ( ( flags & (flagname) ) == (flagname) ) \
{ \
flags &=~ (flagname); \
printf( "%s%s", #flagname + strlen("TEXTUREFLAGS_"), flags ? "|" : "" ); \
} \
PRNFLAG( TEXTUREFLAGS_POINTSAMPLE )
PRNFLAG( TEXTUREFLAGS_TRILINEAR )
PRNFLAG( TEXTUREFLAGS_CLAMPS )
PRNFLAG( TEXTUREFLAGS_CLAMPT )
PRNFLAG( TEXTUREFLAGS_ANISOTROPIC )
PRNFLAG( TEXTUREFLAGS_HINT_DXT5 )
PRNFLAG( TEXTUREFLAGS_SRGB )
PRNFLAG( TEXTUREFLAGS_NORMAL )
PRNFLAG( TEXTUREFLAGS_NOMIP )
PRNFLAG( TEXTUREFLAGS_NOLOD )
PRNFLAG( TEXTUREFLAGS_ALL_MIPS )
PRNFLAG( TEXTUREFLAGS_PROCEDURAL )
PRNFLAG( TEXTUREFLAGS_ONEBITALPHA )
PRNFLAG( TEXTUREFLAGS_EIGHTBITALPHA )
PRNFLAG( TEXTUREFLAGS_ENVMAP )
PRNFLAG( TEXTUREFLAGS_RENDERTARGET )
PRNFLAG( TEXTUREFLAGS_DEPTHRENDERTARGET )
PRNFLAG( TEXTUREFLAGS_NODEBUGOVERRIDE )
PRNFLAG( TEXTUREFLAGS_SINGLECOPY )
PRNFLAG( TEXTUREFLAGS_STAGING_MEMORY )
PRNFLAG( TEXTUREFLAGS_IMMEDIATE_CLEANUP )
PRNFLAG( TEXTUREFLAGS_IGNORE_PICMIP )
PRNFLAG( TEXTUREFLAGS_UNUSED_00400000 )
PRNFLAG( TEXTUREFLAGS_NODEPTHBUFFER )
PRNFLAG( TEXTUREFLAGS_UNUSED_01000000 )
PRNFLAG( TEXTUREFLAGS_CLAMPU )
PRNFLAG( TEXTUREFLAGS_VERTEXTEXTURE )
PRNFLAG( TEXTUREFLAGS_SSBUMP )
PRNFLAG( TEXTUREFLAGS_UNUSED_10000000 )
PRNFLAG( TEXTUREFLAGS_BORDER )
PRNFLAG( TEXTUREFLAGS_STREAMABLE_COARSE )
PRNFLAG( TEXTUREFLAGS_STREAMABLE_FINE )
#undef PRNFLAG
if ( flags )
{
printf( "0x%08X", flags );
}
}
int main( int argc, char **argv )
{
if( argc != 3 )
{
Usage();
return 10;
}
CUtlBuffer file1;
CUtlBuffer file2;
if ( !LoadFileIntoBuffer( argv[1], file1 ) )
return 21;
if ( !LoadFileIntoBuffer( argv[2], file2 ) )
return 22;
IVTFTexture *pTexture1 = CreateVTFTexture();
IVTFTexture *pTexture2 = CreateVTFTexture();
IVTFTexture *arrTextures[2] = { pTexture1, pTexture2 };
bool bMatch = true;
if( !pTexture1->Unserialize( file1 ) )
{
printf( "error loading %s\n", argv[1] );
return 31;
}
if( !pTexture2->Unserialize( file2 ) )
{
printf( "error loading %s\n", argv[2] );
return 32;
}
if( pTexture1->Width() != pTexture2->Width() ||
pTexture1->Height() != pTexture2->Height() ||
pTexture1->Depth() != pTexture2->Depth() )
{
printf( "%s dimensions differ: %dx%dx%d != %dx%dx%d\n",
argv[1],
( int )pTexture1->Width(), ( int )pTexture1->Height(), ( int )pTexture1->Depth(),
( int )pTexture2->Width(), ( int )pTexture2->Height(), ( int )pTexture2->Depth() );
bMatch = false;
}
if( pTexture1->LowResWidth() != pTexture2->LowResWidth() ||
pTexture1->LowResHeight() != pTexture2->LowResHeight() )
{
printf( "%s lowres dimensions differ: %dx%d != %dx%d\n",
argv[1],
( int )pTexture1->LowResWidth(), ( int )pTexture1->LowResHeight(),
( int )pTexture2->LowResWidth(), ( int )pTexture2->LowResHeight() );
bMatch = false;
}
if( pTexture1->MipCount() != pTexture2->MipCount() )
{
printf( "%s differing mipcounts: %d != %d\n",
argv[1],
( int )pTexture1->MipCount(), ( int )pTexture2->MipCount() );
bMatch = false;
}
if( pTexture1->FaceCount() != pTexture2->FaceCount() )
{
printf( "%s differing facecount: %d != %d\n",
argv[1],
( int )pTexture1->FaceCount(), ( int )pTexture2->FaceCount() );
bMatch = false;
}
if( pTexture1->FrameCount() != pTexture2->FrameCount() )
{
printf( "%s differing framecount: %d != %d\n",
argv[1],
( int )pTexture1->FrameCount(), ( int )pTexture2->FrameCount() );
bMatch = false;
}
if( pTexture1->Flags() != pTexture2->Flags() )
{
printf( "%s differing flags: \"",
argv[1] );
PrintFlags( pTexture1->Flags() );
printf( "\" != \"" );
PrintFlags( pTexture2->Flags() );
printf( "\"\n" );
bMatch = false;
}
if( pTexture1->BumpScale() != pTexture2->BumpScale() )
{
printf( "%s differing bumpscale: %f != %f\n",
argv[1],
( float )pTexture1->BumpScale(), ( float )pTexture2->BumpScale() );
bMatch = false;
}
if( pTexture1->Format() != pTexture2->Format() )
{
printf( "%s differing image format: %s != %s\n",
argv[1],
ImageLoader::GetName( pTexture1->Format() ),
ImageLoader::GetName( pTexture2->Format() ) );
bMatch = false;
}
if( pTexture1->LowResFormat() != pTexture2->LowResFormat() )
{
Assert(0);
printf( "%s differing lowres image format: %s != %s\n",
argv[1],
ImageLoader::GetName( pTexture1->LowResFormat() ),
ImageLoader::GetName( pTexture2->LowResFormat() ) );
bMatch = false;
}
const Vector &vReflectivity1 = pTexture1->Reflectivity();
const Vector &vReflectivity2 = pTexture2->Reflectivity();
if( !VectorsAreEqual( vReflectivity1, vReflectivity2, 0.0001f ) )
{
printf( "%s differing reflectivity: [%f,%f,%f] != [%f,%f,%f]\n",
argv[1],
( float )pTexture1->Reflectivity()[0],
( float )pTexture1->Reflectivity()[1],
( float )pTexture1->Reflectivity()[2],
( float )pTexture2->Reflectivity()[0],
( float )pTexture2->Reflectivity()[1],
( float )pTexture2->Reflectivity()[2] );
bMatch = false;
}
if ( pTexture1->ComputeTotalSize() != pTexture2->ComputeTotalSize() )
{
printf( "%s differing image data size: %d != %d\n",
argv[1],
( int )pTexture1->ComputeTotalSize(), ( int )pTexture2->ComputeTotalSize() );
bMatch = false;
}
if ( bMatch )
{
unsigned char const *pData1 = pTexture1->ImageData();
unsigned char const *pData2 = pTexture2->ImageData();
int const iSize = pTexture1->ComputeTotalSize();
if( memcmp( pData1, pData2, iSize) != 0 )
{
printf( "%s image data different\n", argv[1] );
if (( pTexture1->Format() == IMAGE_FORMAT_DXT1 ) || ( pTexture1->Format() == IMAGE_FORMAT_DXT3 ) ||
( pTexture1->Format() == IMAGE_FORMAT_DXT5 ) || ( pTexture1->Format() == IMAGE_FORMAT_ATI2N ) ||
( pTexture1->Format() == IMAGE_FORMAT_ATI1N ) )
{
int i, numOffsetsComplained = 0;
for( i = 0; i < iSize; i++ )
{
if( pData1[i] != pData2[i] )
{
printf( "image data at offset %d different\n", i );
if ( numOffsetsComplained ++ > 10 )
{
printf( "image data significantly differs!\n" );
break;
}
}
}
}
else
{
for( int iFrame = 0; iFrame < pTexture1->FrameCount(); ++iFrame )
{
for ( int iMipLevel = 0; iMipLevel < pTexture1->MipCount(); ++iMipLevel )
{
int nMipWidth, nMipHeight, nMipDepth;
pTexture1->ComputeMipLevelDimensions( iMipLevel, &nMipWidth, &nMipHeight, &nMipDepth );
for (int iCubeFace = 0; iCubeFace < pTexture1->FrameCount(); ++iCubeFace)
{
for ( int z = 0; z < nMipDepth; ++z )
{
pData1 = pTexture1->ImageData( iFrame, iCubeFace, iMipLevel, 0, 0, z );
pData2 = pTexture2->ImageData( iFrame, iCubeFace, iMipLevel, 0, 0, z );
int nMipSize = pTexture1->ComputeMipSize( iMipLevel );
if ( memcmp( pData1, pData2, nMipSize ) )
{
bool bBreak = false;
for ( int y = 0; y < nMipHeight; ++y )
{
for ( int x = 0; x < nMipWidth; ++x )
{
unsigned char const *pData1a = pTexture1->ImageData( iFrame, iCubeFace, iMipLevel, x, y, z );
unsigned char const *pData2a = pTexture2->ImageData( iFrame, iCubeFace, iMipLevel, x, y, z );
if ( memcmp( pData1a, pData2a, ImageLoader::SizeInBytes( pTexture1->Format() ) ) )
{
printf( "Frame %d Mip level %d Face %d Z-slice %d texel (%d,%d) different!\n",
iFrame, iMipLevel, iCubeFace, z, x, y );
bBreak = true;
break;
}
}
if ( bBreak )
break;
}
}
}
}
}
}
}
bMatch = false;
}
}
// Lowres data
{
int iDummy, iSize1, iSize2;
pTexture1->LowResFileInfo( &iDummy, &iSize1 );
pTexture2->LowResFileInfo( &iDummy, &iSize2 );
if ( iSize1 != iSize2 )
{
printf( "%s differing low res image data size: %d != %d\n", argv[1], iSize1, iSize2 );
bMatch = false;
}
if ( bMatch )
{
if ( memcmp( pTexture1->LowResImageData(), pTexture2->LowResImageData(), iSize1 ) != 0 )
{
printf( "%s differing low res image data\n",
argv[1] );
bMatch = false;
}
}
}
// Check other resources
{
int numRes1 = pTexture1->GetResourceTypes( NULL, 0 );
int numRes2 = pTexture2->GetResourceTypes( NULL, 0 );
// List of resource types checked or insignificant diffs
typedef CUtlMap< int, bool > MapResTypes;
MapResTypes mapTypes( DefLessFunc( int ) );
mapTypes.Insert( VTF_LEGACY_RSRC_LOW_RES_IMAGE, true );
mapTypes.Insert( VTF_LEGACY_RSRC_IMAGE, true );
mapTypes.Insert( MK_VTF_RSRC_ID( 'C','R','C' ), true );
uint32 *puiresbuffer = ( uint32 * ) stackalloc( ( numRes1 + numRes2 ) * sizeof( uint32 ) );
int arrNums[2] = { numRes1, numRes2 };
for ( int itx = 0; itx < 2; ++ itx )
{
arrTextures[itx]->GetResourceTypes( puiresbuffer, arrNums[itx] );
while ( arrNums[itx] --> 0 )
{
uint32 uiResType = puiresbuffer[ arrNums[itx] ];
if ( mapTypes.Find( uiResType ) != mapTypes.InvalidIndex() )
continue;
mapTypes.Insert( uiResType, true );
size_t numBytes1, numBytes2;
void const *pvResData1 = pTexture1->GetResourceData( uiResType, &numBytes1 );
void const *pvResData2 = pTexture2->GetResourceData( uiResType, &numBytes2 );
if ( !pvResData1 != !pvResData2 )
{
printf( "%s different resource %s %s\n",
argv[1],
ResourceToString( uiResType ),
pvResData1 ? "present" : "missing" );
bMatch = false;
}
else if ( numBytes1 != numBytes2 )
{
printf( "%s different resource %s size %lld != %lld\n",
argv[1],
ResourceToString( uiResType ),
(long long)numBytes1, (long long)numBytes2 );
bMatch = false;
}
else if ( memcmp( pvResData1, pvResData2, numBytes1 ) != 0 )
{
printf( "%s different resource %s data\n",
argv[1],
ResourceToString( uiResType ) );
bMatch = false;
}
}
}
}
if( bMatch )
{
return 0;
}
else
{
return 1;
}
}