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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $NoKeywords: $
//===========================================================================//
#include "materialsystem/MaterialSystemUtil.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/itexture.h"
#include "materialsystem/imaterialsystem.h"
#include "tier1/KeyValues.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// Little utility class to deal with material references
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// constructor, destructor
//-----------------------------------------------------------------------------
CMaterialReference::CMaterialReference( char const* pMaterialName, const char *pTextureGroupName, bool bComplain ) : m_pMaterial( 0 )
{
if ( pMaterialName )
{
Assert( pTextureGroupName );
Init( pMaterialName, pTextureGroupName, bComplain );
}
}
CMaterialReference::~CMaterialReference()
{
Shutdown();
}
//-----------------------------------------------------------------------------
// Attach to a material
//-----------------------------------------------------------------------------
void CMaterialReference::Init( char const* pMaterialName, const char *pTextureGroupName, bool bComplain )
{
IMaterial *pMaterial = materials->FindMaterial( pMaterialName, pTextureGroupName, bComplain);
if( IsErrorMaterial( pMaterial ) )
{
if (IsOSX())
{
printf("\n ##### CMaterialReference::Init got error material for %s in tex group %s", pMaterialName, pTextureGroupName );
}
}
Assert( pMaterial );
Init( pMaterial );
}
void CMaterialReference::Init( const char *pMaterialName, KeyValues *pVMTKeyValues )
{
// CreateMaterial has a refcount of 1
Shutdown();
m_pMaterial = materials->CreateMaterial( pMaterialName, pVMTKeyValues );
}
void CMaterialReference::Init( const char *pMaterialName, const char *pTextureGroupName, KeyValues *pVMTKeyValues )
{
IMaterial *pMaterial = materials->FindProceduralMaterial( pMaterialName, pTextureGroupName, pVMTKeyValues );
Assert( pMaterial );
Init( pMaterial );
}
void CMaterialReference::Init( IMaterial* pMaterial )
{
if ( m_pMaterial != pMaterial )
{
Shutdown();
m_pMaterial = pMaterial;
if ( m_pMaterial )
{
m_pMaterial->IncrementReferenceCount();
}
}
}
void CMaterialReference::Init( CMaterialReference& ref )
{
if ( m_pMaterial != ref.m_pMaterial )
{
Shutdown();
m_pMaterial = ref.m_pMaterial;
if (m_pMaterial)
{
m_pMaterial->IncrementReferenceCount();
}
}
}
//-----------------------------------------------------------------------------
// Detach from a material
//-----------------------------------------------------------------------------
void CMaterialReference::Shutdown( )
{
if ( m_pMaterial && materials )
{
m_pMaterial->DecrementReferenceCount();
m_pMaterial = NULL;
}
}
//-----------------------------------------------------------------------------
// Little utility class to deal with texture references
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// constructor, destructor
//-----------------------------------------------------------------------------
CTextureReference::CTextureReference( ) : m_pTexture(NULL)
{
}
CTextureReference::CTextureReference( const CTextureReference &ref )
{
m_pTexture = ref.m_pTexture;
if ( m_pTexture )
{
m_pTexture->IncrementReferenceCount();
}
}
void CTextureReference::operator=( CTextureReference &ref )
{
m_pTexture = ref.m_pTexture;
if ( m_pTexture )
{
m_pTexture->IncrementReferenceCount();
}
}
CTextureReference::~CTextureReference( )
{
Shutdown();
}
//-----------------------------------------------------------------------------
// Attach to a texture
//-----------------------------------------------------------------------------
void CTextureReference::Init( char const* pTextureName, const char *pTextureGroupName, bool bComplain )
{
Shutdown();
m_pTexture = materials->FindTexture( pTextureName, pTextureGroupName, bComplain );
if ( m_pTexture )
{
m_pTexture->IncrementReferenceCount();
}
}
void CTextureReference::Init( ITexture* pTexture )
{
Shutdown();
m_pTexture = pTexture;
if (m_pTexture)
{
m_pTexture->IncrementReferenceCount();
}
}
void CTextureReference::InitProceduralTexture( const char *pTextureName, const char *pTextureGroupName, int w, int h, ImageFormat fmt, int nFlags )
{
Shutdown();
m_pTexture = materials->CreateProceduralTexture( pTextureName, pTextureGroupName, w, h, fmt, nFlags );
// NOTE: The texture reference is already incremented internally above!
/*
if ( m_pTexture )
{
m_pTexture->IncrementReferenceCount();
}
*/
}
void CTextureReference::InitRenderTarget( int w, int h, RenderTargetSizeMode_t sizeMode, ImageFormat fmt, MaterialRenderTargetDepth_t depth, bool bHDR, char *pStrOptionalName /* = NULL */ )
{
Shutdown();
int textureFlags = TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT;
if ( depth == MATERIAL_RT_DEPTH_ONLY )
textureFlags |= TEXTUREFLAGS_POINTSAMPLE;
int renderTargetFlags = bHDR ? CREATERENDERTARGETFLAGS_HDR : 0;
// NOTE: Refcount returned by CreateRenderTargetTexture is 1
m_pTexture = materials->CreateNamedRenderTargetTextureEx( pStrOptionalName, w, h, sizeMode, fmt,
depth, textureFlags, renderTargetFlags );
Assert( m_pTexture );
}
//-----------------------------------------------------------------------------
// Detach from a texture
//-----------------------------------------------------------------------------
void CTextureReference::Shutdown( bool bDeleteIfUnReferenced )
{
if ( m_pTexture && materials )
{
m_pTexture->DecrementReferenceCount();
if ( bDeleteIfUnReferenced )
{
m_pTexture->DeleteIfUnreferenced();
}
m_pTexture = NULL;
}
}
//-----------------------------------------------------------------------------
// Builds ONLY the system ram render target. Used when caller is explicitly managing.
// The paired EDRAM surface can be built in an alternate format.
//-----------------------------------------------------------------------------
#if defined( _X360 )
void CTextureReference::InitRenderTargetTexture( int w, int h, RenderTargetSizeMode_t sizeMode, ImageFormat fmt, MaterialRenderTargetDepth_t depth, bool bHDR, char *pStrOptionalName )
{
// other variants not implemented yet
Assert( depth == MATERIAL_RT_DEPTH_NONE || depth == MATERIAL_RT_DEPTH_SHARED );
Assert( !bHDR );
int renderTargetFlags = CREATERENDERTARGETFLAGS_NOEDRAM;
m_pTexture = materials->CreateNamedRenderTargetTextureEx(
pStrOptionalName,
w,
h,
sizeMode,
fmt,
depth,
TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
renderTargetFlags );
Assert( m_pTexture );
}
#endif
//-----------------------------------------------------------------------------
// Builds ONLY the EDRAM render target surface. Used when caller is explicitly managing.
// The paired system memory texture can be built in an alternate format.
//-----------------------------------------------------------------------------
#if defined( _X360 )
void CTextureReference::InitRenderTargetSurface( int width, int height, ImageFormat fmt, bool bSameAsTexture )
{
// texture has to be created first
Assert( m_pTexture && m_pTexture->IsRenderTarget() );
m_pTexture->CreateRenderTargetSurface( width, height, fmt, bSameAsTexture );
}
#endif
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