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380 lines
12 KiB
380 lines
12 KiB
//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. =======
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//
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// Purpose:
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//
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//=============================================================================
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#include "materialobjects/dmeprecompiledtexture.h"
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#include "datamodel/dmelementfactoryhelper.h"
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#include "materialobjects/dmetexture.h"
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//-----------------------------------------------------------------------------
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// Expose this class to the scene database
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//-----------------------------------------------------------------------------
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IMPLEMENT_ELEMENT_FACTORY( DmePrecompiledTexture, CDmePrecompiledTexture );
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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void CDmePrecompiledTexture::OnConstruction()
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{
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m_ImageFileName.Init( this, "imageFileName" );
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m_Processors.Init( this, "processors" );
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m_pSourceTexture.Init( this, "sourceTexture" );
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m_nStartFrame.InitAndSet( this, "startFrame", -1 );
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m_nEndFrame.InitAndSet( this, "endFrame", -1 );
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m_nVolumeTextureDepth.InitAndSet( this, "volumeTextureDepth", 1 );
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m_nTextureArraySize.InitAndSet( this, "textureArraySize", 1 );
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m_nTextureType.Init( this, "textureType" );
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m_flBumpScale.InitAndSet( this, "bumpScale", 1.0f );
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m_flPFMScale.InitAndSet( this, "pfmScale", 1.0f );
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m_nFilterType.Init( this, "filterType" );
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m_bClampS.Init( this, "clamps" );
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m_bClampT.Init( this, "clampt" );
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m_bClampU.Init( this, "clampu" );
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m_bLoadMipLevels.Init( this, "loadMipLevels" );
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m_bBorder.Init( this, "border" );
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m_bNormalMap.Init( this, "normalMap" );
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m_bSSBump.Init( this, "ssBump" );
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m_bNoMip.Init( this, "noMip" );
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m_bAllMips.Init( this, "allMips" );
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m_bNoLod.Init( this, "noLod" );
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m_bNoDebugOverride.Init( this, "noDebugOverride" );
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m_bNoCompression.Init( this, "noCompression" );
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m_bHintDxt5Compression.Init( this, "hintDxt5Compression" );
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}
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void CDmePrecompiledTexture::OnDestruction()
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{
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}
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//-----------------------------------------------------------------------------
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// Ensures all settings are internally consistent
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//-----------------------------------------------------------------------------
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bool CDmePrecompiledTexture::ValidateValues()
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{
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if ( ( m_nTextureType == DMETEXTURE_TYPE_CUBEMAP ) && ( m_nTextureArraySize != 1 ) )
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{
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// Cubemaps are packed into a single texture in a cross shape
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Warning( "Specified a cubemap with a texture array size != 1!\n" );
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return false;
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}
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if ( ( m_nVolumeTextureDepth > 1 ) && ( m_nTextureArraySize != 1 ) )
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{
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Warning( "Specified a volume texture with a texture array size != 1!\n" );
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return false;
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}
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if ( m_bLoadMipLevels )
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{
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char pBaseName[MAX_PATH];
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Q_FileBase( GetName(), pBaseName, sizeof( pBaseName ) );
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char pRight[16];
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V_StrRight( pBaseName, 5, pRight, sizeof( pRight ) );
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if ( !Q_stristr( pRight, "_mip0" ) )
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{
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Warning( "Invalid texture name (\"%s\") for explicitly loading mip levels - the top mip file should end in '_mip0'\n", GetName() );
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}
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Expose this class to the scene database
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//-----------------------------------------------------------------------------
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IMPLEMENT_ELEMENT( CDmeTextureProcessor );
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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void CDmeTextureProcessor::OnConstruction()
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{
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}
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void CDmeTextureProcessor::OnDestruction()
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{
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}
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//-----------------------------------------------------------------------------
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// Expose this class to the scene database
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//-----------------------------------------------------------------------------
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_ComputeMipmaps, CDmeTP_ComputeMipmaps );
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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void CDmeTP_ComputeMipmaps::OnConstruction()
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{
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m_bNoNiceFiltering.Init( this, "noNiceFiltering" );
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m_bAlphaTestDownsampling.Init( this, "alphaTestDownsampling" );
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m_flAlphaTestDownsampleThreshhold.Init( this, "alphaTestDownsampleThreshhold" );
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m_flAlphaTestDownsampleHiFreqThreshhold.Init( this, "alphaTestDownsampleHiFreqThreshhold" );
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}
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void CDmeTP_ComputeMipmaps::OnDestruction()
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{
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}
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void CDmeTP_ComputeMipmaps::ProcessTexture( CDmeTexture *pSrcTexture, CDmeTexture *pDstTexture )
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{
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int nWidth = pSrcTexture->Width();
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int nHeight = pSrcTexture->Height();
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int nDepth = pSrcTexture->Depth();
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int nTotalMipCount = ImageLoader::GetNumMipMapLevels( nWidth, nHeight, nDepth );
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pSrcTexture->CopyAttributesTo( pDstTexture, TD_NONE );
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// Copying will copy references to src texture frames. Remove them.
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pDstTexture->RemoveAllFrames();
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DownsampleInfo_t info;
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info.m_flAlphaThreshhold = m_flAlphaTestDownsampleThreshhold;
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info.m_flAlphaHiFreqThreshhold = m_flAlphaTestDownsampleHiFreqThreshhold;
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info.m_nFlags = 0;
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if ( pSrcTexture->m_bClampS )
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{
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info.m_nFlags |= DOWNSAMPLE_CLAMPS;
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}
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if ( pSrcTexture->m_bClampT )
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{
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info.m_nFlags |= DOWNSAMPLE_CLAMPT;
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}
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if ( pSrcTexture->m_bClampU )
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{
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info.m_nFlags |= DOWNSAMPLE_CLAMPU;
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}
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if ( m_bAlphaTestDownsampling )
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{
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info.m_nFlags |= DOWNSAMPLE_ALPHATEST;
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}
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int nFrameCount = pSrcTexture->FrameCount();
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CDmeImage **ppSrcImages = (CDmeImage**)stackalloc( nTotalMipCount * sizeof(CDmeImage*) );
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CDmeImage **ppDstImages = (CDmeImage**)stackalloc( nTotalMipCount * sizeof(CDmeImage*) );
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for ( int f = 0; f < nFrameCount; ++f )
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{
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CDmeTextureFrame *pSrcFrame = pSrcTexture->GetFrame( f );
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CDmeTextureFrame *pDstFrame = pDstTexture->AddFrame();
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// Add mip level 0 for this frame
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CDmeImageArray *pSrcArray = pSrcFrame->GetMipLevel( 0 );
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if ( !pSrcArray )
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continue;
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for ( int m = 0; m < nTotalMipCount; ++m )
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{
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pDstFrame->AddMipLevel();
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}
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int nImageCount = pSrcFrame->ImageCount();
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for ( int i = 0; i < nImageCount; ++i )
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{
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pSrcTexture->GetImages( f, i, ppSrcImages, nTotalMipCount );
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CDmeImage *pSrcImage = ppSrcImages[0];
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if ( !pSrcImage )
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continue;
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int nMipWidth = nWidth;
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int nMipHeight = nHeight;
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int nMipDepth = nDepth;
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for ( int m = 0; m < nTotalMipCount; ++m )
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{
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CDmeImageArray *pDstArray = pDstFrame->GetMipLevel( m );
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CDmeImage *pSrcImage = ppSrcImages[m];
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CDmeImage *pDstImage = pDstArray->AddImage();
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ppDstImages[m] = pDstImage;
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if ( pSrcImage )
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{
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Assert( pSrcImage->Width() == nMipWidth );
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Assert( pSrcImage->Height() == nMipHeight );
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Assert( pSrcImage->Depth() == nMipDepth );
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// FIXME: Just assign the src image into the dest texture
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// and remove it from the src texture
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// For mips where we have data, just copy src -> dest.
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pDstImage->CopyFrom( pSrcImage );
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}
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else
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{
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// For mips where don't have data, generate a mip from the src data of the previous level
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Assert( m != 0 && ppDstImages[m-1] );
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if ( m_bNoNiceFiltering )
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{
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pDstImage->QuarterSize( ppDstImages[m-1] );
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}
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else
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{
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int nSrcMip = clamp( m-3, 0, nTotalMipCount );
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pDstImage->Init( nMipWidth, nMipHeight, nMipDepth, ppDstImages[nSrcMip]->Format(), ppDstImages[nSrcMip]->Gamma() );
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pDstImage->DownsampleNiceFiltered( info, ppDstImages[nSrcMip] );
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}
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}
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nMipWidth >>= 1; nMipHeight >>= 1; nMipDepth >>= 1;
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nMipWidth = MAX( 1, nMipWidth ); nMipHeight = MAX( 1, nMipHeight ); nMipDepth = MAX( 1, nMipDepth );
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}
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Expose this class to the scene database
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//-----------------------------------------------------------------------------
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_ChangeColorChannels, CDmeTP_ChangeColorChannels );
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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void CDmeTP_ChangeColorChannels::OnConstruction()
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{
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m_nMaxChannels.Init( this, "maxChannels" );
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}
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void CDmeTP_ChangeColorChannels::OnDestruction()
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{
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}
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static ImageFormat ComputeDestFormat( ImageFormat fmt, int nChannelCount )
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{
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switch( fmt )
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{
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case IMAGE_FORMAT_RGBA8888:
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case IMAGE_FORMAT_ABGR8888:
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case IMAGE_FORMAT_ARGB8888:
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case IMAGE_FORMAT_BGRA8888:
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Assert( nChannelCount != 2 );
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return ( nChannelCount == 3 ) ? IMAGE_FORMAT_RGB888 : IMAGE_FORMAT_I8;
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case IMAGE_FORMAT_RGB888:
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case IMAGE_FORMAT_BGR888:
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case IMAGE_FORMAT_BGRX8888:
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case IMAGE_FORMAT_RGBX8888:
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Assert( nChannelCount == 1 );
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return IMAGE_FORMAT_I8;
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case IMAGE_FORMAT_IA88:
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Assert( nChannelCount == 1 );
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return IMAGE_FORMAT_I8;
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case IMAGE_FORMAT_DXT5:
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Assert( nChannelCount == 3 );
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return IMAGE_FORMAT_DXT1;
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case IMAGE_FORMAT_RGBA32323232F:
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if ( nChannelCount == 3 )
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return IMAGE_FORMAT_RGB323232F;
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// fall through
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case IMAGE_FORMAT_RGB323232F:
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if ( nChannelCount == 2 )
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return IMAGE_FORMAT_RG3232F;
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// fall through
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case IMAGE_FORMAT_RG3232F:
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Assert( nChannelCount == 1 );
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return IMAGE_FORMAT_R32F;
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case IMAGE_FORMAT_RGBA16161616F:
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Assert( nChannelCount != 3 );
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if ( nChannelCount == 2 )
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return IMAGE_FORMAT_RG1616F;
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// fall through
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case IMAGE_FORMAT_RG1616F:
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Assert( nChannelCount == 1 );
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return IMAGE_FORMAT_R16F;
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default:
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Assert( 0 );
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break;
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}
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return fmt;
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}
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void CDmeTP_ChangeColorChannels::ProcessImage( CDmeImage *pDstImage, CDmeImage *pSrcImage )
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{
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ImageFormat fmt = pSrcImage->Format();
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ImageFormat dstFmt = fmt;
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const ImageFormatInfo_t &info = ImageLoader::ImageFormatInfo( fmt );
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int nChannelCount = 0;
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if ( info.m_nNumRedBits > 0 ) ++nChannelCount;
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if ( info.m_nNumGreenBits > 0 ) ++nChannelCount;
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if ( info.m_nNumBlueBits > 0 ) ++nChannelCount;
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if ( info.m_nNumAlphaBits > 0 ) ++nChannelCount;
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if ( nChannelCount > m_nMaxChannels )
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{
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dstFmt = ComputeDestFormat( fmt, m_nMaxChannels );
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}
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pDstImage->CopyFrom( pSrcImage, dstFmt );
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}
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void CDmeTP_ChangeColorChannels::ProcessTexture( CDmeTexture *pSrcTexture, CDmeTexture *pDstTexture )
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{
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pDstTexture->ProcessTexture( pSrcTexture, this, &CDmeTP_ChangeColorChannels::ProcessImage );
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}
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/*
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class CDmeTP_OneOverMipLevelInAlpha : public CDmeTextureProcessor
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{
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DEFINE_ELEMENT( CDmeTP_OneOverMipLevelInAlpha, CDmeTextureProcessor );
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public:
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};
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_OneOverMipLevelInAlpha, CDmeTP_OneOverMipLevelInAlpha );
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class CDmeTP_PreMultiplyColorByOneOverMipLevel : public CDmeTextureProcessor
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{
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DEFINE_ELEMENT( CDmeTP_PreMultiplyColorByOneOverMipLevel, CDmeTextureProcessor );
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public:
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};
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_PreMultiplyColorByOneOverMipLevel, CDmeTP_PreMultiplyColorByOneOverMipLevel );
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class CDmeTP_NormalToDuDv : public CDmeTextureProcessor
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{
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DEFINE_ELEMENT( CDmeTP_NormalToDuDv, CDmeTextureProcessor );
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public:
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};
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_NormalToDuDv, CDmeTP_NormalToDuDv );
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class CDmeTP_CompressTexture : public CDmeTextureProcessor
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{
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DEFINE_ELEMENT( CDmeTP_CompressTexture, CDmeTextureProcessor );
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public:
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CDmaVar< bool > m_bNormalGAMap;
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CDmaVar< bool > m_bDXT5; // FIXME: Should nocompress/dxt5 be combined?
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CDmaVar< bool > m_bNoCompress;
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};
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_CompressTexture, CDmeTP_CompressTexture );
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class CDmeTP_GenerateMipmaps : public CDmeTextureProcessor
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{
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DEFINE_ELEMENT( CDmeTP_GenerateMipmaps, CDmeTextureProcessor );
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public:
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CDmaVar< bool > m_bNoNice;
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CDmaVar< bool > m_bAlphaTest;
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CDmaVar< float > m_flAlphaThreshhold;
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CDmaVar< float > m_flAlphaThreshholdHigh;
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};
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IMPLEMENT_ELEMENT_FACTORY( DmeTP_GenerateMipmaps, CDmeTP_GenerateMipmaps );
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*/
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