csgo/cstrike15_src/materialsystem/cmatrendercontext.cpp

//========== Copyright Valve Corporation, All rights reserved. ========
//
// Purpose:
//
//=============================================================================

#include "pch_materialsystem.h"

#ifndef _PS3
#define MATSYS_INTERNAL
#endif

#include <math.h>
#include "cmatrendercontext.h"
#include "tier2/renderutils.h"
#include "cmaterialsystem.h"
#include "occlusionquerymgr.h"
#include "texturemanager.h"
#include "IHardwareConfigInternal.h"
#include "ctype.h"

#include "tier1/fmtstr.h"
//#include "glmgr/glmdebug.h"

// NOTE: This must be the last file included!!!
#include "tier0/memdbgon.h"

//-----------------------------------------------------------------------------

// FIXME: right now, always keeping shader API in sync, because debug overlays don't seem to work 100% with the delayed matrix loading
#define FORCE_MATRIX_SYNC 1

#ifdef VALIDATE_MATRICES
#define ShouldValidateMatrices() true
#else
#define ShouldValidateMatrices() false
#endif

#ifdef VALIDATE_MATRICES
#define AllowLazyMatrixSync() false
#define ForceSync()	((void)(0))
#elif defined(FORCE_MATRIX_SYNC)
#define AllowLazyMatrixSync() false
#define ForceSync()	ForceSyncMatrix( m_MatrixMode )
#else
#define AllowLazyMatrixSync() true
#define ForceSync() ((void)(0))
#endif

#ifdef _X360
static bool s_bDirtyDisk = false;
#endif


void ValidateMatrices( const VMatrix &m1, const VMatrix &m2, float eps = .001 )
{
	if ( ShouldValidateMatrices() )
	{
		for ( int i = 0; i < 16; i++ )
		{
			AssertFloatEquals( m1.Base()[i], m1.Base()[i], eps );
		}
	}
}


//-----------------------------------------------------------------------------
// The dirty disk error report function (NOTE: Could be called from any thread!)
//-----------------------------------------------------------------------------
#ifdef _X360
unsigned ThreadedDirtyDiskErrorDisplay( void *pParam )
{
	XShowDirtyDiscErrorUI( XBX_GetPrimaryUserId() );
}
#endif


void SpinPresent()
{
	while ( true )
	{
		g_pShaderAPI->ClearColor3ub( 0, 0, 0 );
		g_pShaderAPI->ClearBuffers( true, true, true, -1, -1 );
		g_pShaderDevice->Present();
	}
}

void ReportDirtyDisk()
{
#ifdef _X360
	s_bDirtyDisk = true;
	ThreadHandle_t h = CreateSimpleThread( ThreadedDirtyDiskErrorDisplay, NULL );
	ThreadSetPriority( h, THREAD_PRIORITY_HIGHEST );

	// If this is being called from the render thread, immediately swap
	if ( ( ThreadGetCurrentId() == MaterialSystem()->GetRenderThreadId() ) ||
		( ThreadInMainThread() && g_pMaterialSystem->GetThreadMode() != MATERIAL_QUEUED_THREADED ) )
	{
		SpinPresent();
	}
#endif
}


//-----------------------------------------------------------------------------
// Install dirty disk error reporting function (call after SetMode)
//-----------------------------------------------------------------------------
void SetupDirtyDiskReportFunc()
{
	g_pFullFileSystem->InstallDirtyDiskReportFunc( ReportDirtyDisk );
}


//-----------------------------------------------------------------------------
// Globals
//-----------------------------------------------------------------------------
CMemoryStack CMatRenderContextBase::sm_RenderData[2];
int	CMatRenderContextBase::sm_nRenderLockCount = 0;
int	CMatRenderContextBase::sm_nRenderStack = 0;
MemoryStackMark_t CMatRenderContextBase::sm_nRenderCurrentAllocPoint = 0;
int	CMatRenderContextBase::sm_nInitializeCount = 0;


//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
CMatRenderContextBase::CMatRenderContextBase() :
	m_pMaterialSystem( NULL ), m_RenderTargetStack( 16, 32 ), m_ScissorRectStack( 16, 32 ), m_MatrixMode( NUM_MATRIX_MODES )
{
	int i;

	m_bDirtyViewState = true;

	// Put a special element at the top of the RT stack (indicating back buffer is current top of stack)
	// NULL indicates back buffer, -1 indicates full-size viewport
#if !defined( _X360 ) && !defined( _PS3 )
	RenderTargetStackElement_t initialElement = { {NULL, NULL, NULL, NULL}, NULL, 0, 0, -1, -1 };
#else
	RenderTargetStackElement_t initialElement = { {NULL}, NULL, 0, 0, -1, -1 };
#endif

	m_RenderTargetStack.Push( initialElement );

	for ( i = 0; i < MAX_FB_TEXTURES; i++ )
	{
		m_pCurrentFrameBufferCopyTexture[i] = NULL;
	}

	m_pCurrentMaterial = NULL;
	m_pCurrentProxyData = NULL;
	m_pUserDefinedLightmap = NULL;
	m_HeightClipMode = MATERIAL_HEIGHTCLIPMODE_DISABLE;
	m_HeightClipZ = 0.0f;
	m_bEnableClipping = true;
	m_bFlashlightEnable = false;
	m_bCascadedShadowMappingEnabled = false;
	m_bRenderingPaint = false;
	m_bFullFrameDepthIsValid = false;
	m_bCullingEnabledForSinglePassFlashlight = false;

	for ( i = 0; i < NUM_MATRIX_MODES; i++ )
	{
		m_MatrixStacks[i].Push();
		m_MatrixStacks[i].Top().matrix.Identity();
		m_MatrixStacks[i].Top().flags |= ( MSF_DIRTY| MSF_IDENTITY );
	}
	m_pCurMatrixItem = &m_MatrixStacks[0].Top();

	m_Viewport.Init( 0, 0, 0, 0 );

	m_LastSetToneMapScale = Vector(1,1,1);
}


const char *COM_GetModDirectory()
{
	static char modDir[MAX_PATH];
	if ( Q_strlen( modDir ) == 0 )
	{
		const char *gamedir = CommandLine()->ParmValue("-game", CommandLine()->ParmValue( "-defaultgamedir", "hl2" ) );
		Q_strncpy( modDir, gamedir, sizeof(modDir) );
		if ( strchr( modDir, '/' ) || strchr( modDir, '\\' ) )
		{
			Q_StripLastDir( modDir, sizeof(modDir) );
			int dirlen = Q_strlen( modDir );
			Q_strncpy( modDir, gamedir + dirlen, sizeof(modDir) - dirlen );
		}
	}

	return modDir;
}

//-----------------------------------------------------------------------------
// Init, shutdown
//-----------------------------------------------------------------------------
InitReturnVal_t CMatRenderContextBase::Init( )
{
	if ( !sm_nInitializeCount )
	{
		int nSize = 2200 * 1024;
		int nCommitSize = 32 * 1024;
		
		if ( !Q_stricmp( "infested", COM_GetModDirectory() ) )
		{
			nSize = 4400 * 1024;
		}
		else if ( !Q_stricmp( "swarm", COM_GetModDirectory() ) )
		{
			nSize = 4400 * 1024;
		}
		else if ( !Q_stricmp( "portal2", COM_GetModDirectory() ) )
		{
			nSize = 6600 * 1024;
		}
		else if ( !Q_stricmp( "csgo", COM_GetModDirectory() ) )
		{
			nSize = 6600 * 1024;
		}
		
#ifdef DEDICATED
		nSize = nCommitSize = 1024;
#endif
		sm_RenderData[0].Init( "CMatRenderContextBase::sm_RenderData[0]", nSize, nCommitSize, 0, 32 );
		sm_RenderData[1].Init( "CMatRenderContextBase::sm_RenderData[1]", nSize, nCommitSize, 0, 32 );
		sm_nRenderStack = 0;
		sm_nRenderLockCount = 0;
		sm_nRenderCurrentAllocPoint = 0;
	}
	++sm_nInitializeCount;
	return INIT_OK;
}

void CMatRenderContextBase::Shutdown( )
{
	Assert( sm_nInitializeCount >= 0 );
	if ( --sm_nInitializeCount == 0 )
	{
		sm_RenderData[0].Term();
		sm_RenderData[1].Term();
	}
}

void CMatRenderContextBase::CompactMemory()
{
	if ( sm_nRenderLockCount )
	{
		DevWarning( "CMatRenderContext: Trying to compact with render data still locked!\n" );
		sm_nRenderLockCount = 0;
	}
	sm_RenderData[0].FreeAll();
	sm_RenderData[1].FreeAll();
}

void CMatRenderContextBase::MarkRenderDataUnused( bool bFrameBegin )
{
	if ( sm_nRenderLockCount )
	{
		DevWarning( "CMatRenderContext: Trying to clear render data with render data still locked (%d)!\n", sm_nRenderLockCount );
		sm_nRenderLockCount = 0;
	}

	if ( bFrameBegin )
	{
		// Switch stacks
		sm_nRenderStack = 1 - sm_nRenderStack;

		// Clear the new stack
#ifdef _DEBUG
		memset( sm_RenderData[sm_nRenderStack].GetBase(), 0xFF, RenderDataSizeUsed() );
#endif
		sm_RenderData[ sm_nRenderStack ].FreeAll( false );
		sm_nRenderCurrentAllocPoint = 0;
	}
	else
	{
		// Clear to the previous alloc point
#ifdef _DEBUG
		char *pClearFrom = (char*)sm_RenderData[sm_nRenderStack].GetBase() + sm_nRenderCurrentAllocPoint;
		int nSizeToClear = RenderDataSizeUsed() - sm_nRenderCurrentAllocPoint;
		memset( pClearFrom, 0xFF, nSizeToClear );
#endif
		sm_RenderData[sm_nRenderStack].FreeToAllocPoint( sm_nRenderCurrentAllocPoint, false );
	}
}

int CMatRenderContextBase::RenderDataSizeUsed() const
{
	return sm_RenderData[sm_nRenderStack].GetUsed();
}

bool CMatRenderContextBase::IsRenderData( const void *pData ) const
{
	intp nData = (intp)pData;
	intp nBaseAddress = (intp)sm_RenderData[sm_nRenderStack].GetBase();
	intp nLastAddress = nBaseAddress + RenderDataSizeUsed();
	return ( nData == 0 ) || ( nData >= nBaseAddress && nData < nLastAddress );
}


//-----------------------------------------------------------------------------
// debug logging - empty in base class
//-----------------------------------------------------------------------------

void	CMatRenderContextBase::PrintfVA( char *fmt, va_list vargs )
{
}

void	CMatRenderContextBase::Printf( char *fmt, ... )
{
}

float	CMatRenderContextBase::Knob( char *knobname, float *setvalue )
{
	return 0.0f;
}


//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------

#define g_pShaderAPI Cannot_use_ShaderAPI_in_CMatRenderContextBase

void CMatRenderContextBase::InitializeFrom( CMatRenderContextBase *pInitialState )
{
	int i;

	m_pCurrentMaterial = pInitialState->m_pCurrentMaterial;
	m_pCurrentProxyData = pInitialState->m_pCurrentProxyData;
	m_lightmapPageID = pInitialState->m_lightmapPageID;
	m_pUserDefinedLightmap = pInitialState->m_pUserDefinedLightmap;
	m_pLocalCubemapTexture = pInitialState->m_pLocalCubemapTexture;

	memcpy( m_pCurrentFrameBufferCopyTexture, pInitialState->m_pCurrentFrameBufferCopyTexture, MAX_FB_TEXTURES * sizeof(ITexture *) );

	m_bEnableClipping = pInitialState->m_bEnableClipping;

	m_HeightClipMode = pInitialState->m_HeightClipMode;
	m_HeightClipZ = pInitialState->m_HeightClipZ;

	m_pBoundMorph = pInitialState->m_pBoundMorph; // not reference counted?

	m_RenderTargetStack.Clear();
	m_RenderTargetStack.EnsureCapacity( pInitialState->m_RenderTargetStack.Count() );

	for ( i = 0; i < pInitialState->m_RenderTargetStack.Count(); i++ )
	{
		m_RenderTargetStack.Push( pInitialState->m_RenderTargetStack[i] );
	}


	m_ScissorRectStack.Clear();
	m_ScissorRectStack.EnsureCapacity( pInitialState->m_ScissorRectStack.Count() );

	for ( i = 0; i < pInitialState->m_ScissorRectStack.Count(); i++ )
	{
		m_ScissorRectStack.Push( pInitialState->m_ScissorRectStack[i] );
	}


	m_MatrixMode = pInitialState->m_MatrixMode;
	for ( i = 0; i < NUM_MATRIX_MODES; i++ )
	{
		m_MatrixStacks[i].CopyFrom( pInitialState->m_MatrixStacks[i] );
	}

	m_bFlashlightEnable = pInitialState->m_bFlashlightEnable;
	m_bCascadedShadowMappingEnabled = pInitialState->m_bCascadedShadowMappingEnabled;
	m_bRenderingPaint = pInitialState->m_bRenderingPaint;
	m_LastSetToneMapScale = pInitialState->m_LastSetToneMapScale;
}

void CMatRenderContextBase::Bind( IMaterial *pMaterial, void *proxyData )
{
	IMaterialInternal *material = static_cast<IMaterialInternal *>( pMaterial );

	if ( !material )
	{
		Warning( "Programming error: CMatRenderContextBase::Bind: NULL material\n" );
		material = static_cast<IMaterialInternal *>( g_pErrorMaterial );
	}
	
	material = material->GetRealTimeVersion(); //always work with the real time versions of materials internally

	if ( m_pCurrentMaterial != material )
	{
		if( !material->IsPrecached() )
		{
			// This model is supposed to come in like this, skip the warning message
			if( V_strcmp(material->GetName(), "engine/preloadtexture" ) != 0 )
			{
				DevWarning( "Binding uncached material \"%s\", artificially incrementing refcount\n", material->GetName() );
			}

			material->ArtificialAddRef();
			material->Precache();
		}
		m_pCurrentMaterial = material;
	}

	m_pCurrentProxyData = proxyData;
}

void CMatRenderContextBase::BindLightmapPage( int lightmapPageID )
{
	m_lightmapPageID = lightmapPageID;

}

void CMatRenderContextBase::SetRenderTargetEx( int nRenderTargetID, ITexture *pNewTarget ) 
{
	// Verify valid top of RT stack
	Assert ( m_RenderTargetStack.Count() > 0 );

	// Reset the top of stack to the new target with old viewport
	RenderTargetStackElement_t newTOS = m_RenderTargetStack.Top();
	newTOS.m_pRenderTargets[nRenderTargetID] = pNewTarget;
	m_RenderTargetStack.Pop( );
	m_RenderTargetStack.Push( newTOS );
}

void CMatRenderContextBase::BindLocalCubemap( ITexture *pTexture )
{
	if( pTexture )
	{
		m_pLocalCubemapTexture = pTexture;
	}
	else
	{
		m_pLocalCubemapTexture = TextureManager()->ErrorTexture();
	}
}

ITexture *CMatRenderContextBase::GetRenderTarget( void )
{
	if (m_RenderTargetStack.Count() > 0)
	{
		return m_RenderTargetStack.Top().m_pRenderTargets[0];
	}
	else
	{
		return NULL; // should this be something else, since NULL indicates back buffer?
	}
}

ITexture *CMatRenderContextBase::GetRenderTargetEx( int nRenderTargetID  )
{
	// Verify valid top of stack
	Assert ( m_RenderTargetStack.Count() > 0 );

	// Top of render target stack
	ITexture *pTexture = m_RenderTargetStack.Top().m_pRenderTargets[ nRenderTargetID ];
	return pTexture;
}

void CMatRenderContextBase::SetFrameBufferCopyTexture( ITexture *pTexture, int textureIndex )
{
	if( textureIndex < 0 || textureIndex > MAX_FB_TEXTURES )
	{
		Assert( 0 );
		return;
	}

	// FIXME: Do I need to increment/decrement ref counts here, or assume that the app is going to do it?
	m_pCurrentFrameBufferCopyTexture[textureIndex] = pTexture;
}

ITexture *CMatRenderContextBase::GetFrameBufferCopyTexture( int textureIndex )
{
	if( textureIndex < 0 || textureIndex > MAX_FB_TEXTURES )
	{
		Assert( 0 );
		return NULL; // FIXME!  This should return the error texture.
	}
	return m_pCurrentFrameBufferCopyTexture[textureIndex];
}


void CMatRenderContextBase::MatrixMode( MaterialMatrixMode_t mode )
{
	Assert( m_MatrixStacks[mode].Count() );
	m_MatrixMode = mode;
	m_pCurMatrixItem = &m_MatrixStacks[mode].Top();
}

void CMatRenderContextBase::CurrentMatrixChanged()
{
	if ( m_MatrixMode == MATERIAL_VIEW )
	{
		m_bDirtyViewState = true;
		m_bDirtyViewProjState = true;
	}
	else if ( m_MatrixMode == MATERIAL_PROJECTION )
	{
		m_bDirtyViewProjState = true;
	}
}

void CMatRenderContextBase::PushMatrix()
{
	CUtlStack<MatrixStackItem_t> &curStack = m_MatrixStacks[ m_MatrixMode ];
	Assert( curStack.Count() );
	int iNew = curStack.Push();
	curStack[ iNew ] = curStack[ iNew - 1 ];
	m_pCurMatrixItem = &curStack.Top();
	CurrentMatrixChanged();
}

void CMatRenderContextBase::PopMatrix()
{
	Assert( m_MatrixStacks[m_MatrixMode].Count() > 1 );
	m_MatrixStacks[ m_MatrixMode ].Pop();
	m_pCurMatrixItem = &m_MatrixStacks[m_MatrixMode].Top();
	CurrentMatrixChanged();
}

void CMatRenderContextBase::LoadMatrix( const VMatrix& matrix )
{
	m_pCurMatrixItem->matrix = matrix;
	m_pCurMatrixItem->flags = MSF_DIRTY; // clearing identity implicitly
	CurrentMatrixChanged();
}

void CMatRenderContextBase::LoadMatrix( const matrix3x4_t& matrix )
{
	m_pCurMatrixItem->matrix.Init( matrix );
	m_pCurMatrixItem->flags = MSF_DIRTY; // clearing identity implicitly
	CurrentMatrixChanged();
}

void CMatRenderContextBase::MultMatrix( const VMatrix& matrix )
{
	VMatrix result;

	MatrixMultiply( matrix, m_pCurMatrixItem->matrix, result );
	m_pCurMatrixItem->matrix = result;
	m_pCurMatrixItem->flags = MSF_DIRTY; // clearing identity implicitly
	CurrentMatrixChanged();
}

void CMatRenderContextBase::MultMatrix( const matrix3x4_t& matrix )
{
	CMatRenderContextBase::MultMatrix( VMatrix( matrix ) );
}

void CMatRenderContextBase::MultMatrixLocal( const VMatrix& matrix )
{
	VMatrix result;
	MatrixMultiply( m_pCurMatrixItem->matrix, matrix, result );
	m_pCurMatrixItem->matrix = result;
	m_pCurMatrixItem->flags = MSF_DIRTY; // clearing identity implicitly
	CurrentMatrixChanged();
}

void CMatRenderContextBase::MultMatrixLocal( const matrix3x4_t& matrix )
{
	CMatRenderContextBase::MultMatrixLocal( VMatrix( matrix ) );
}

void CMatRenderContextBase::LoadIdentity()
{
	// FIXME: possibly track is identity so can call shader API LoadIdentity() later instead of LoadMatrix()?
	m_pCurMatrixItem->matrix.Identity();
	m_pCurMatrixItem->flags = ( MSF_DIRTY | MSF_IDENTITY );
	CurrentMatrixChanged();
}

void CMatRenderContextBase::Ortho( double left, double top, double right, double bottom, double zNear, double zFar )
{
	MatrixOrtho( m_pCurMatrixItem->matrix, left, top, right, bottom, zNear, zFar );
	m_pCurMatrixItem->flags = MSF_DIRTY; 
}

void CMatRenderContextBase::PerspectiveX( double flFovX, double flAspect, double flZNear, double flZFar )
{
	MatrixPerspectiveX( m_pCurMatrixItem->matrix, flFovX, flAspect, flZNear, flZFar );
	m_pCurMatrixItem->flags = MSF_DIRTY; 
}

void CMatRenderContextBase::PerspectiveOffCenterX( double flFovX, double flAspect, double flZNear, double flZFar, double bottom, double top, double left, double right )
{
	MatrixPerspectiveOffCenterX( m_pCurMatrixItem->matrix, flFovX, flAspect, flZNear, flZFar, bottom, top, left, right );
	m_pCurMatrixItem->flags = MSF_DIRTY; 
}

void CMatRenderContextBase::PickMatrix( int x, int y, int nWidth, int nHeight )
{
	int vx, vy, vwidth, vheight;
	GetViewport( vx, vy, vwidth, vheight );

	// Compute the location of the pick region in projection space...
	float px = 2.0 * (float)(x - vx) / (float)vwidth - 1;
	float py = 2.0 * (float)(y - vy)/ (float)vheight - 1;
	float pw = 2.0 * (float)nWidth / (float)vwidth;
	float ph = 2.0 * (float)nHeight / (float)vheight;

	// we need to translate (px, py) to the origin
	// and scale so (pw,ph) -> (2, 2)
	VMatrix mat;
	MatrixSetIdentity( mat );
	mat.m[0][0] = 2.0 / pw;
	mat.m[1][1] = 2.0 / ph;
	mat.m[0][3] = -2.0 * px / pw;
	mat.m[1][3] = -2.0 * py / ph;

	CMatRenderContextBase::MultMatrixLocal( mat );
}

void CMatRenderContextBase::Rotate( float flAngle, float x, float y, float z )
{
	MatrixRotate( m_pCurMatrixItem->matrix, Vector( x, y, z ), flAngle );
	m_pCurMatrixItem->flags = MSF_DIRTY; 
}

void CMatRenderContextBase::Translate( float x, float y, float z )
{
	MatrixTranslate( m_pCurMatrixItem->matrix, Vector( x, y, z ) );
	m_pCurMatrixItem->flags = MSF_DIRTY; 
}

void CMatRenderContextBase::Scale( float x, float y, float z )
{
	VMatrix mat;
	MatrixBuildScale( mat, x, y, z );
	CMatRenderContextBase::MultMatrixLocal( mat );
}

void CMatRenderContextBase::GetMatrix( MaterialMatrixMode_t matrixMode, VMatrix *pMatrix )
{
	CUtlStack<MatrixStackItem_t> &stack = m_MatrixStacks[ matrixMode ];

	if ( !stack.Count() )
	{
		pMatrix->Identity();
		return;
	}

	*pMatrix = stack.Top().matrix;
}

void CMatRenderContextBase::GetMatrix( MaterialMatrixMode_t matrixMode, matrix3x4_t *pMatrix )
{
	CUtlStack<MatrixStackItem_t> &stack = m_MatrixStacks[ matrixMode ];

	if ( !stack.Count() )
	{
		SetIdentityMatrix( *pMatrix );
		return;
	}

	*pMatrix = stack.Top().matrix.As3x4();
}

void CMatRenderContextBase::RecomputeViewState()
{
	if ( !m_bDirtyViewState )
		return;
	m_bDirtyViewState = false;

	// FIXME: Cache this off to make it less expensive?
	matrix3x4_t viewMatrix;
	GetMatrix( MATERIAL_VIEW, &viewMatrix );
	m_vecViewOrigin.x = 
		-( viewMatrix[0][3] * viewMatrix[0][0] + 
		viewMatrix[1][3] * viewMatrix[1][0] + 
		viewMatrix[2][3] * viewMatrix[2][0] );
	m_vecViewOrigin.y = 
		-( viewMatrix[0][3] * viewMatrix[0][1] + 
		viewMatrix[1][3] * viewMatrix[1][1] + 
		viewMatrix[2][3] * viewMatrix[2][1] );
	m_vecViewOrigin.z = 
		-( viewMatrix[0][3] * viewMatrix[0][2] + 
		viewMatrix[1][3] * viewMatrix[1][2] + 
		viewMatrix[2][3] * viewMatrix[2][2] );

	m_vecViewForward.Init( viewMatrix[2][0], viewMatrix[2][1], viewMatrix[2][2]);
	m_vecViewForward *= -1.0f;
	m_vecViewRight.Init( viewMatrix[0][0], viewMatrix[0][1], viewMatrix[0][2] );
	m_vecViewUp.Init( viewMatrix[1][0], viewMatrix[1][1], viewMatrix[1][2] );
}

void CMatRenderContextBase::GetWorldSpaceCameraPosition( Vector *pCameraPos )
{
	RecomputeViewState();
	VectorCopy( m_vecViewOrigin, *pCameraPos );
}

void CMatRenderContextBase::GetWorldSpaceCameraVectors( Vector *pVecForward, Vector *pVecRight, Vector *pVecUp )
{
	RecomputeViewState();

	if ( pVecForward )
	{
		VectorCopy( m_vecViewForward, *pVecForward );
	}
	if ( pVecRight )
	{				   
		VectorCopy( m_vecViewRight, *pVecRight );
	}
	if ( pVecUp )
	{
		VectorCopy( m_vecViewUp, *pVecUp );
	}
}

void *CMatRenderContextBase::LockRenderData( int nSizeInBytes )
{
	void *pDest = sm_RenderData[ sm_nRenderStack ].Alloc( nSizeInBytes, false );
	if ( !pDest )
	{
		ExecuteNTimes( 10, Warning( "MaterialSystem: Out of memory in render data! (Attempted size = %d)\n", nSizeInBytes ) );
		MemOutOfMemory(nSizeInBytes);
	}
	AddRefRenderData();
	return pDest;
}

void CMatRenderContextBase::UnlockRenderData( void *pData )
{
	ReleaseRenderData();
}

void CMatRenderContextBase::AddRefRenderData()
{
	++sm_nRenderLockCount;
}

void CMatRenderContextBase::ReleaseRenderData()
{
	--sm_nRenderLockCount;
	Assert( sm_nRenderLockCount >= 0 );
	if ( sm_nRenderLockCount == 0 )
	{
		OnRenderDataUnreferenced();
		// Keep track of the current allocation point for the current render data stack
		// in case the render context switches from CMatRenderContext to CMatQueuedRenderContext
		// Note that both render context mode write to the same render data stack
		// and OnRenderDataUnreferenced will have different implementation:
		//     * CMatQueuedRenderContext - render data stack keeps growing until the next BeginFrame
		//               where we switch to the next render data stack and clear the new one
		//     * CMatRenderContext - free render data previously allocated. Therefore ensure that
		//				 render data added by CMatQueuedRenderContext are not overwritten by only freeing
		//               up to the current allocation point
		sm_nRenderCurrentAllocPoint = sm_RenderData [sm_nRenderStack ].GetCurrentAllocPoint();
	}
}

void CMatRenderContextBase::SyncMatrices()
{
}

void CMatRenderContextBase::SyncMatrix( MaterialMatrixMode_t mode )
{
}

ShaderAPITextureHandle_t CMatRenderContextBase::GetLightmapTexture( int nLightmapPage )
{
	// Should never be called
	Assert( 0 );
	return INVALID_SHADERAPI_TEXTURE_HANDLE;
}

ShaderAPITextureHandle_t CMatRenderContextBase::GetPaintmapTexture( int nLightmapPage )
{
	// Should never be called
	Assert( 0 );
	return INVALID_SHADERAPI_TEXTURE_HANDLE;
}

void CMatRenderContextBase::SetHeightClipMode( enum MaterialHeightClipMode_t heightClipMode )
{
	if( m_HeightClipMode != heightClipMode  )
	{
		m_HeightClipMode = heightClipMode;
		UpdateHeightClipUserClipPlane();
		/*if ( HardwareConfig()->MaxUserClipPlanes() >= 1 && !HardwareConfig()->UseFastClipping())
		{
		UpdateHeightClipUserClipPlane();			
		}
		else
		{
		g_pShaderAPI->SetHeightClipMode( heightClipMode );
		}*/
	}
}

void CMatRenderContextBase::SetHeightClipZ( float z )
{
	if( z != m_HeightClipZ )
	{
		m_HeightClipZ = z;
		UpdateHeightClipUserClipPlane();
	}

	// FIXME!  : Need to move user clip plane support back to pre-dx9 cards (all of the pixel shaders
	// have texkill in them. . blich.)

	/*if ( HardwareConfig()->MaxUserClipPlanes() >= 1 && !HardwareConfig()->UseFastClipping() )
	{
	UpdateHeightClipUserClipPlane();			
	}
	else
	{
	g_pShaderAPI->SetHeightClipZ( z );
	}*/
}

bool CMatRenderContextBase::EnableClipping( bool bEnable )
{
	if( bEnable != m_bEnableClipping )
	{
		m_bEnableClipping = bEnable;
		ApplyCustomClipPlanes();		

		return !bEnable;
	}
	return bEnable;
}

void CMatRenderContextBase::Viewport( int x, int y, int width, int height )
{
	// Verify valid top of RT stack
	Assert ( m_RenderTargetStack.Count() > 0 );

	// Reset the top of stack to the new viewport
	RenderTargetStackElement_t newTOS;
	memcpy(&newTOS,&(m_RenderTargetStack.Top()),sizeof(newTOS));
	newTOS.m_nViewX = x;
	newTOS.m_nViewY = y;
	newTOS.m_nViewW = width;
	newTOS.m_nViewH = height;

	m_RenderTargetStack.Pop( );
	m_RenderTargetStack.Push( newTOS );
}


//-----------------------------------------------------------------------------
// This version will push the current rendertarget + current viewport onto the stack
//-----------------------------------------------------------------------------
void CMatRenderContextBase::PushRenderTargetAndViewport( )
{
	// Necessary to push the stack top onto itself; realloc could happen otherwise
	m_RenderTargetStack.EnsureCapacity( m_RenderTargetStack.Count() + 1 );
	m_RenderTargetStack.Push( m_RenderTargetStack.Top() );
	CommitRenderTargetAndViewport();
}


//-----------------------------------------------------------------------------
// Pushes a render target on the render target stack.  Without a specific
// viewport also being pushed, this function uses dummy values which indicate
// that the viewport should span the the full render target and pushes
// the RenderTargetStackElement_t onto the stack
//
// The push and pop methods also implicitly set the render target to the new top of stack
//
// NULL for pTexture indicates rendering to the back buffer
//-----------------------------------------------------------------------------
void CMatRenderContextBase::PushRenderTargetAndViewport( ITexture *pTexture )
{
	// Just blindly push the data on the stack with flags indicating full bounds
#if !defined( _X360 ) && !defined( _PS3 )
	RenderTargetStackElement_t element = { {pTexture, NULL, NULL, NULL}, NULL, 0, 0, -1, -1 };
#else
	RenderTargetStackElement_t element = { {pTexture}, NULL, 0, 0, -1, -1 };
#endif
	m_RenderTargetStack.Push( element );
	CommitRenderTargetAndViewport();
}


//-----------------------------------------------------------------------------
// Pushes a render target on the render target stack and sets the viewport
//
// NULL for pTexture indicates rendering to the back buffer
//
// The push and pop methods also implicitly set the render target to the new top of stack
//-----------------------------------------------------------------------------
void CMatRenderContextBase::PushRenderTargetAndViewport( ITexture *pTexture, int nViewX, int nViewY, int nViewW, int nViewH )
{
	CMatRenderContextBase::PushRenderTargetAndViewport( pTexture, NULL, nViewX, nViewY, nViewW, nViewH );
}


//-----------------------------------------------------------------------------
// Pushes a render target on the render target stack and sets the viewport
// The push and pop methods also implicitly set the render target to the new top of stack
//-----------------------------------------------------------------------------
void CMatRenderContextBase::PushRenderTargetAndViewport( ITexture *pTexture, ITexture *pDepthTexture, int nViewX, int nViewY, int nViewW, int nViewH )
{
	// Just blindly push the data on the stack
#if !defined( _X360 ) && !defined( _PS3 )
	RenderTargetStackElement_t element = { {pTexture, NULL, NULL, NULL}, pDepthTexture, nViewX, nViewY, nViewW, nViewH };
#else
	RenderTargetStackElement_t element = { {pTexture}, pDepthTexture, nViewX, nViewY, nViewW, nViewH };
#endif
	m_RenderTargetStack.Push( element );
	CommitRenderTargetAndViewport();
}


//-----------------------------------------------------------------------------
// Pops from the render target stack
// Also implicitly sets the render target to the new top of stack
//-----------------------------------------------------------------------------
void CMatRenderContextBase::PopRenderTargetAndViewport( void )
{
	// Check for underflow
	if ( m_RenderTargetStack.Count() == 0 )
	{
		Assert( !"CMatRenderContext::PopRenderTargetAndViewport:  Stack is empty!!!" );
		return;
	}

	Flush();

	// Remove the top of stack
	m_RenderTargetStack.Pop( );
	CommitRenderTargetAndViewport();
}

void CMatRenderContextBase::RecomputeViewProjState()
{
	if ( m_bDirtyViewProjState )
	{
		VMatrix viewMatrix, projMatrix;

		// FIXME: Should consider caching this upon change for projection or view matrix.
		GetMatrix( MATERIAL_VIEW, &viewMatrix );
		GetMatrix( MATERIAL_PROJECTION, &projMatrix );
		m_viewProjMatrix = projMatrix * viewMatrix;
		m_bDirtyViewProjState = false;
	}
}

//-----------------------------------------------------------------------------
// This returns the diameter of the sphere in pixels based on 
// the current model, view, + projection matrices and viewport.
//-----------------------------------------------------------------------------
float CMatRenderContextBase::ComputePixelDiameterOfSphere( const Vector& vecAbsOrigin, float flRadius )
{
	RecomputeViewState();
	RecomputeViewProjState();
	// This is sort of faked, but it's faster that way
	// FIXME: Also, there's a much faster way to do this with similar triangles
	// but I want to make sure it exactly matches the current matrices, so
	// for now, I do it this conservative way
	Vector4D testPoint1, testPoint2;
	VectorMA( vecAbsOrigin, flRadius, m_vecViewUp, testPoint1.AsVector3D() );
	VectorMA( vecAbsOrigin, -flRadius, m_vecViewUp, testPoint2.AsVector3D() );
	testPoint1.w = testPoint2.w = 1.0f;

	Vector4D clipPos1, clipPos2;
	Vector4DMultiply( m_viewProjMatrix, testPoint1, clipPos1 );
	Vector4DMultiply( m_viewProjMatrix, testPoint2, clipPos2 );
	if (clipPos1.w >= 0.001f)
	{
		clipPos1.y /= clipPos1.w;
	}
	else
	{
		clipPos1.y *= 1000;
	}
	if (clipPos2.w >= 0.001f)
	{
		clipPos2.y /= clipPos2.w;
	}
	else
	{
		clipPos2.y *= 1000;
	}
	int vx, vy, vwidth, vheight;
	GetViewport( vx, vy, vwidth, vheight );

	// The divide-by-two here is because y goes from -1 to 1 in projection space
	return vheight * fabs( clipPos2.y - clipPos1.y ) / 2.0f;
}

Vector CMatRenderContextBase::GetToneMappingScaleLinear( void )
{
	if ( HardwareConfig()->GetHDRType() == HDR_TYPE_NONE )
		return Vector( 1.0f, 1.0f, 1.0f );
	else
		return m_LastSetToneMapScale;
}

#undef g_pShaderAPI
#if defined( _PS3 ) || defined( _OSX )
#define g_pShaderAPI ShaderAPI()
#endif

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
CMatRenderContext::CMatRenderContext()
{
	g_FrameNum = 0;
	m_pBatchIndices = NULL;
	m_pBatchMesh = NULL;
	m_pCurrentIndexBuffer = NULL;
	m_pMorphRenderContext = NULL;
	m_NonInteractiveMode = MATERIAL_NON_INTERACTIVE_MODE_NONE;
}

InitReturnVal_t CMatRenderContext::Init( CMaterialSystem *pMaterialSystem )
{
	InitReturnVal_t nRetVal = BaseClass::Init();
	if ( nRetVal != INIT_OK )
		return nRetVal;

	m_pMaterialSystem = pMaterialSystem;

	m_pBoundMorph = NULL;

	// Create some lovely textures
	m_pLocalCubemapTexture = TextureManager()->ErrorTexture();
	m_pMorphRenderContext = g_pMorphMgr->AllocateRenderContext();

	return INIT_OK;
}

void CMatRenderContext::Shutdown( )
{
	if ( m_pUserDefinedLightmap )
	{
		m_pUserDefinedLightmap->DecrementReferenceCount();
		m_pUserDefinedLightmap = NULL;
	}

	if ( m_pMorphRenderContext )
	{
		g_pMorphMgr->FreeRenderContext( m_pMorphRenderContext );
		m_pMorphRenderContext = NULL;
	}

	BaseClass::Shutdown();
}

void CMatRenderContext::OnReleaseShaderObjects()
{
	// alt-tab unbinds the morph
	m_pBoundMorph = NULL;
}

#if defined( DX_TO_GL_ABSTRACTION ) && !defined( _GAMECONSOLE )
void CMatRenderContext::DoStartupShaderPreloading( void )
{
	g_pShaderDevice->DoStartupShaderPreloading();
}
#endif


inline IMaterialInternal *CMatRenderContext::GetMaterialInternal( MaterialHandle_t h ) const
{
	return GetMaterialSystem()->GetMaterialInternal( h );
}

inline IMaterialInternal *CMatRenderContext::GetDrawFlatMaterial()
{
	return GetMaterialSystem()->GetDrawFlatMaterial();
}

inline IMaterialInternal *CMatRenderContext::GetBufferClearObeyStencil( int i )
{
	return GetMaterialSystem()->GetBufferClearObeyStencil( i );
}

inline IMaterialInternal *CMatRenderContext::GetReloadZcullMaterial()
{
	return GetMaterialSystem()->GetReloadZcullMaterial();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetFullbrightLightmapTextureHandle() const
{
	return GetMaterialSystem()->GetFullbrightLightmapTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetFullbrightBumpedLightmapTextureHandle() const
{
	return GetMaterialSystem()->GetFullbrightBumpedLightmapTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetBlackTextureHandle() const
{
	return GetMaterialSystem()->GetBlackTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetBlackAlphaZeroTextureHandle() const
{
	return GetMaterialSystem()->GetBlackAlphaZeroTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetFlatNormalTextureHandle() const
{
	return GetMaterialSystem()->GetFlatNormalTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetFlatSSBumpTextureHandle() const
{
	return GetMaterialSystem()->GetFlatSSBumpTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetGreyTextureHandle() const
{
	return GetMaterialSystem()->GetGreyTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetGreyAlphaZeroTextureHandle() const
{
	return GetMaterialSystem()->GetGreyAlphaZeroTextureHandle();
}

inline ShaderAPITextureHandle_t CMatRenderContext::GetWhiteTextureHandle() const
{
	return GetMaterialSystem()->GetWhiteTextureHandle();
}

inline const CMatLightmaps *CMatRenderContext::GetLightmaps() const
{
	return GetMaterialSystem()->GetLightmaps();
}

inline CMatLightmaps *CMatRenderContext::GetLightmaps()
{
	return GetMaterialSystem()->GetLightmaps();
}


inline const CMatPaintmaps *CMatRenderContext::GetPaintmaps() const
{
	return GetMaterialSystem()->GetPaintmaps();
}

inline CMatPaintmaps *CMatRenderContext::GetPaintmaps()
{
	return GetMaterialSystem()->GetPaintmaps();
}


inline ShaderAPITextureHandle_t CMatRenderContext::GetMaxDepthTextureHandle() const
{
	return GetMaterialSystem()->GetMaxDepthTextureHandle();
}

void CMatRenderContext::BeginRender()
{
	if ( GetMaterialSystem()->GetThreadMode() != MATERIAL_SINGLE_THREADED )
	{
//		VPROF_INCREMENT_GROUP_COUNTER( "render/CMatBeginRender", COUNTER_GROUP_TELEMETRY, 1 );

		TelemetrySetLockName( TELEMETRY_LEVEL0, (char const *)&g_MatSysMutex, "MatSysMutex" );

		tmTryLock( TELEMETRY_LEVEL0, (char const *)&g_MatSysMutex, "BeginRender" );
		g_MatSysMutex.Lock();
		tmEndTryLock( TELEMETRY_LEVEL0, (char const *)&g_MatSysMutex, TMLR_SUCCESS );
		tmSetLockState( TELEMETRY_LEVEL0, (char const *)&g_MatSysMutex, TMLS_LOCKED, "BeginRender" );
	}
}

void CMatRenderContext::EndRender()
{
	if ( GetMaterialSystem()->GetThreadMode() != MATERIAL_SINGLE_THREADED )
	{
		g_MatSysMutex.Unlock();
		tmSetLockState( TELEMETRY_LEVEL0, (char const *)&g_MatSysMutex, TMLS_RELEASED, "EndRender" );
	}
}

void CMatRenderContext::Flush( bool flushHardware )
{
}

bool CMatRenderContext::TestMatrixSync( MaterialMatrixMode_t mode )
{
	if ( !ShouldValidateMatrices() )
	{
		return true;
	}

	VMatrix transposeMatrix, matrix;
	g_pShaderAPI->GetMatrix( mode, (float*)transposeMatrix.m );
	MatrixTranspose( transposeMatrix, matrix );

	ValidateMatrices( matrix, m_MatrixStacks[mode].Top().matrix );

	return true;
}

void CMatRenderContext::MatrixMode( MaterialMatrixMode_t mode )
{
	CMatRenderContextBase::MatrixMode( mode );
	g_pShaderAPI->MatrixMode( mode );
	if ( ShouldValidateMatrices() )
	{
		TestMatrixSync( mode );
	}

}
void CMatRenderContext::PushMatrix()
{
	if ( ShouldValidateMatrices() )
	{
		TestMatrixSync( m_MatrixMode );
	}

	CMatRenderContextBase::PushMatrix();
	g_pShaderAPI->PushMatrix();
	
	if ( ShouldValidateMatrices() )
	{
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::PopMatrix()
{
	if ( ShouldValidateMatrices() )
	{
		TestMatrixSync( m_MatrixMode );
	}

	CMatRenderContextBase::PopMatrix();
	g_pShaderAPI->PopMatrix();

	if ( ShouldValidateMatrices() )
	{
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::LoadMatrix( const VMatrix& matrix )
{
	CMatRenderContextBase::LoadMatrix( matrix );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( matrix, transposeMatrix );
		g_pShaderAPI->LoadMatrix( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::LoadMatrix( const matrix3x4_t& matrix )
{
	CMatRenderContextBase::LoadMatrix( matrix );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( VMatrix(matrix), transposeMatrix );
		g_pShaderAPI->LoadMatrix( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::MultMatrix( const VMatrix& matrix )
{
	CMatRenderContextBase::MultMatrix( matrix );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( matrix, transposeMatrix );
		g_pShaderAPI->MultMatrix( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::MultMatrix( const matrix3x4_t& matrix )
{
	CMatRenderContextBase::MultMatrix( VMatrix( matrix ) );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( VMatrix(matrix), transposeMatrix );
		g_pShaderAPI->MultMatrix( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::MultMatrixLocal( const VMatrix& matrix )
{
	CMatRenderContextBase::MultMatrixLocal( matrix );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( matrix, transposeMatrix );
		g_pShaderAPI->MultMatrixLocal( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::MultMatrixLocal( const matrix3x4_t& matrix )
{
	CMatRenderContextBase::MultMatrixLocal( VMatrix( matrix ) );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix transposeMatrix;
		MatrixTranspose( VMatrix(matrix), transposeMatrix );
		g_pShaderAPI->MultMatrixLocal( transposeMatrix.Base() );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::LoadIdentity()
{
	CMatRenderContextBase::LoadIdentity();
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->LoadIdentity();
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::Ortho( double left, double top, double right, double bottom, double zNear, double zFar )
{
	CMatRenderContextBase::Ortho( left, top, right, bottom, zNear, zFar );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->Ortho( left, top, right, bottom, zNear, zFar );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::PerspectiveX( double flFovX, double flAspect, double flZNear, double flZFar )
{
	CMatRenderContextBase::PerspectiveX( flFovX, flAspect, flZNear, flZFar );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->PerspectiveX( flFovX, flAspect, flZNear, flZFar );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::PerspectiveOffCenterX( double flFovX, double flAspect, double flZNear, double flZFar, double bottom, double top, double left, double right )
{
	CMatRenderContextBase::PerspectiveOffCenterX( flFovX, flAspect, flZNear, flZFar, bottom, top, left, right );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->PerspectiveOffCenterX( flFovX, flAspect, flZNear, flZFar, bottom, top, left, right );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::PickMatrix( int x, int y, int nWidth, int nHeight )
{
	CMatRenderContextBase::PickMatrix( x, y, nWidth, nHeight );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->PickMatrix( x, y, nWidth, nHeight );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::Rotate( float flAngle, float x, float y, float z )
{
	CMatRenderContextBase::Rotate( flAngle, x, y, z );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->Rotate( flAngle, x, y, z );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::Translate( float x, float y, float z )
{
	CMatRenderContextBase::Translate( x, y, z );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->Translate( x, y, z );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::Scale( float x, float y, float z )
{
	CMatRenderContextBase::Scale( x, y, z );
	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		g_pShaderAPI->Scale( x, y, z );
		TestMatrixSync( m_MatrixMode );
	}
}

void CMatRenderContext::GetMatrix( MaterialMatrixMode_t matrixMode, VMatrix *pMatrix )
{
	CMatRenderContextBase::GetMatrix( matrixMode, pMatrix );

	ForceSync();
	if ( ShouldValidateMatrices() )
	{
		VMatrix testMatrix;
		VMatrix transposeMatrix;
		g_pShaderAPI->GetMatrix( matrixMode, (float*)transposeMatrix.m );
		MatrixTranspose( transposeMatrix, testMatrix );

		ValidateMatrices( testMatrix, *pMatrix );
	}
}

void CMatRenderContext::GetMatrix( MaterialMatrixMode_t matrixMode, matrix3x4_t *pMatrix )
{
	if ( !ShouldValidateMatrices() )
	{
		CMatRenderContextBase::GetMatrix( matrixMode, pMatrix );
	}
	else
	{
		VMatrix matrix;
		CMatRenderContext::GetMatrix( matrixMode, &matrix );
		*pMatrix = matrix.As3x4();
	}
}

void CMatRenderContext::SyncMatrices()
{
	if ( !ShouldValidateMatrices() && AllowLazyMatrixSync() )
	{
		for( int i = 0; i < NUM_MATRIX_MODES; i++ )
		{
			MatrixStackItem_t &top = m_MatrixStacks[i].Top();
			if ( top.flags & MSF_DIRTY )
			{
				g_pShaderAPI->MatrixMode( (MaterialMatrixMode_t)i );
				if ( !( top.flags & MSF_IDENTITY ) )
				{
					VMatrix transposeTop;
					MatrixTranspose( top.matrix, transposeTop );
					g_pShaderAPI->LoadMatrix( transposeTop.Base() );
				}
				else
				{
					g_pShaderAPI->LoadIdentity();
				}

				top.flags &= ~MSF_DIRTY;
			}
		}
	}
}

void CMatRenderContext::ForceSyncMatrix( MaterialMatrixMode_t mode )
{
	MatrixStackItem_t &top = m_MatrixStacks[mode].Top();
	if ( top.flags & MSF_DIRTY )
	{
		bool bSetMode = ( m_MatrixMode != mode );
		if ( bSetMode )
		{
			g_pShaderAPI->MatrixMode( (MaterialMatrixMode_t)mode );
		}

		if ( !( top.flags & MSF_IDENTITY ) )
		{
			VMatrix transposeTop;
			MatrixTranspose( top.matrix, transposeTop );
			g_pShaderAPI->LoadMatrix( transposeTop.Base() );
		}
		else
		{
			g_pShaderAPI->LoadIdentity();
		}

		if ( bSetMode )
		{
			g_pShaderAPI->MatrixMode( (MaterialMatrixMode_t)mode );
		}

		top.flags &= ~MSF_DIRTY;
	}
}

void CMatRenderContext::SyncMatrix( MaterialMatrixMode_t mode )
{
	if ( !ShouldValidateMatrices() && AllowLazyMatrixSync() )
	{
		ForceSyncMatrix( mode );
	}
}

ShaderAPITextureHandle_t CMatRenderContext::GetLightmapTexture( int nLightmapPage )
{
	switch ( nLightmapPage )
	{
	default:
		Assert( ( nLightmapPage == 0 && GetLightmaps()->GetNumLightmapPages() == 0 ) || ( nLightmapPage >= 0 && nLightmapPage < GetLightmaps()->GetNumLightmapPages() ) );
		if( nLightmapPage >= 0 && nLightmapPage < GetLightmaps()->GetNumLightmapPages() )
			return GetLightmaps()->GetLightmapPageTextureHandle( nLightmapPage );
		return INVALID_SHADERAPI_TEXTURE_HANDLE;

	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_USER_DEFINED:
		AssertOnce( m_pUserDefinedLightmap );
		return m_pUserDefinedLightmap->GetTextureHandle( 0 );

	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_WHITE:
		return GetFullbrightLightmapTextureHandle();

	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_WHITE_BUMP:
		return GetFullbrightBumpedLightmapTextureHandle();

	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_INVALID:
		return INVALID_SHADERAPI_TEXTURE_HANDLE;
	}
}


//-----------------------------------------------------------------------------
// Swap buffers
//-----------------------------------------------------------------------------

extern void OnFrameTimestampAvailableMST(float);
extern void OnGpuStartFrame(uint32 context);
extern void OnGpuEndFrame(uint32 context);

void CMatRenderContext::SwapBuffers()
{
	g_pMorphMgr->AdvanceFrame();
	g_pOcclusionQueryMgr->AdvanceFrame();

#if X360_ALLOW_TIMESTAMPS
	OnFrameTimestampAvailableMST(1.0f);

	IDirect3DDevice9* pDevice = ( IDirect3DDevice9* ) g_pMaterialSystem->GetD3DDevice();

	pDevice->InsertCallback(D3DCALLBACK_IMMEDIATE, (D3DCALLBACK)OnGpuEndFrame, 0 );
#endif

#ifdef GCM_ALLOW_TIMESTAMPS
	OnFrameTimestampAvailableMST(1.0f);
#endif

	g_pShaderDevice->Present();

#if X360_ALLOW_TIMESTAMPS
	pDevice->InsertCallback(D3DCALLBACK_IMMEDIATE, (D3DCALLBACK)OnGpuStartFrame, 0 );
#endif

#ifdef _X360
	if ( s_bDirtyDisk )
	{
		SpinPresent();
	}
#endif
}


//-----------------------------------------------------------------------------
// Clears the render data after we're done with it
//-----------------------------------------------------------------------------
void CMatRenderContext::OnRenderDataUnreferenced()
{
	MarkRenderDataUnused( false );
}


//-----------------------------------------------------------------------------
// Custom clip planes
//-----------------------------------------------------------------------------
void CMatRenderContext::PushCustomClipPlane( const float *pPlane )
{
	PlaneStackElement psePlane;
	memcpy( psePlane.fValues, pPlane, sizeof( float ) * 4 );
	psePlane.bHack_IsHeightClipPlane = false;
	m_CustomClipPlanes.AddToTail( psePlane ); //we're doing this as a UtlVector so height clip planes never change their cached index
	ApplyCustomClipPlanes();
}

void CMatRenderContext::PopCustomClipPlane( void )
{
	Assert( m_CustomClipPlanes.Count() );
	
	//remove the endmost non-height plane found
	int i;
	for( i = m_CustomClipPlanes.Count(); --i >= 0; )
	{
		if( m_CustomClipPlanes[i].bHack_IsHeightClipPlane == false )
		{
			m_CustomClipPlanes.Remove(i);
			break;
		}
	}
	Assert( i != -1 ); //only the height clip plane was found, which means this pop had no associated push
	ApplyCustomClipPlanes();
}

void CMatRenderContext::ApplyCustomClipPlanes( void )
{	
	int iMaxClipPlanes = HardwareConfig()->MaxUserClipPlanes();
	int iCustomPlanes;

	if( m_bEnableClipping )
		iCustomPlanes = m_CustomClipPlanes.Count();
	else
		iCustomPlanes = 0;

	float fFakePlane[4];
	unsigned int iFakePlaneVal = 0xFFFFFFFF;
	fFakePlane[0] = fFakePlane[1] = fFakePlane[2] = fFakePlane[3] = *((float *)&iFakePlaneVal);

	SyncMatrices();

	if( iMaxClipPlanes >= 1 && !HardwareConfig()->UseFastClipping() )
	{
		//yay, we get to be the cool clipping club
		if( iMaxClipPlanes >= iCustomPlanes )
		{
			int i;
			for( i = 0; i < iCustomPlanes; ++i )
			{
				g_pShaderAPI->SetClipPlane( i, m_CustomClipPlanes[i].fValues );
				g_pShaderAPI->EnableClipPlane( i, true );
			}
			for( ; i < iMaxClipPlanes; ++i ) //disable unused planes
			{
				g_pShaderAPI->EnableClipPlane( i, false );
				g_pShaderAPI->SetClipPlane( i, fFakePlane );
			}
		}
		else
		{
			int iCustomPlaneOffset = iCustomPlanes - iMaxClipPlanes;

			//can't enable them all
			for( int i = iCustomPlaneOffset; i < iCustomPlanes; ++i )
			{
				g_pShaderAPI->SetClipPlane( i % iMaxClipPlanes, m_CustomClipPlanes[i].fValues );
				g_pShaderAPI->EnableClipPlane( i % iMaxClipPlanes, true );
			}
		}
	}
	else
	{
		//hmm, at most we can make 1 clip plane work
		if( iCustomPlanes == 0 )
		{
			//no planes at all
			g_pShaderAPI->EnableFastClip( false );
			g_pShaderAPI->SetFastClipPlane( fFakePlane );
		}
		else
		{
			//we have to wire the topmost plane into the fast clipping scheme
			g_pShaderAPI->EnableFastClip( true );
			g_pShaderAPI->SetFastClipPlane( m_CustomClipPlanes[iCustomPlanes - 1].fValues );
		}
	}	
}


//-----------------------------------------------------------------------------
// Creates/destroys morph data associated w/ a particular material
//-----------------------------------------------------------------------------
IMorph *CMatRenderContext::CreateMorph( MorphFormat_t format, const char *pDebugName )
{
	Assert( format != 0 );
	IMorphInternal *pMorph = g_pMorphMgr->CreateMorph( );
	pMorph->Init( format, pDebugName );
	return pMorph;
}

void CMatRenderContext::DestroyMorph( IMorph *pMorph )
{
	g_pMorphMgr->DestroyMorph( static_cast<IMorphInternal*>(pMorph) );
}

void CMatRenderContext::BindMorph( IMorph *pMorph )
{
	IMorphInternal *pMorphInternal = static_cast<IMorphInternal*>(pMorph);

	if ( m_pBoundMorph != pMorphInternal )
	{
		m_pBoundMorph = pMorphInternal;

		bool bEnableHWMorph = false;
		if ( pMorphInternal == MATERIAL_MORPH_DECAL )
		{
			bEnableHWMorph = true;
		}
		else if ( pMorphInternal )
		{
			bEnableHWMorph = pMorphInternal->Bind( m_pMorphRenderContext );
		}
		g_pShaderAPI->EnableHWMorphing( bEnableHWMorph );
	}
}

IMesh* CMatRenderContext::GetDynamicMesh( bool buffered, IMesh* pVertexOverride, IMesh* pIndexOverride, IMaterial *pAutoBind )
{
	VPROF_ASSERT_ACCOUNTED( "CMatRenderContext::GetDynamicMesh" );
	if( pAutoBind )
	{
		Bind( pAutoBind, NULL );
	}

	if ( pVertexOverride )
	{
		if ( CompressionType( pVertexOverride->GetVertexFormat() ) != VERTEX_COMPRESSION_NONE )
		{
			// UNDONE: support compressed dynamic meshes if needed (pro: less VB memory, con: time spent compressing)
			DebuggerBreak();
			return NULL;
		}
	}

	// For anything more than 1 bone, imply the last weight from the 1 - the sum of the others.
	int nCurrentBoneCount = GetCurrentNumBones();
	Assert( nCurrentBoneCount <= 4 );
	if ( nCurrentBoneCount > 1 )
	{
		--nCurrentBoneCount;
	}

	return g_pShaderAPI->GetDynamicMesh( GetCurrentMaterialInternal(), nCurrentBoneCount, 
		buffered, pVertexOverride, pIndexOverride);
}

IMesh* CMatRenderContext::GetDynamicMeshEx( VertexFormat_t vertexFormat, bool bBuffered, IMesh* pVertexOverride, IMesh* pIndexOverride, IMaterial *pAutoBind )
{
	VPROF_ASSERT_ACCOUNTED( "CMatRenderContext::GetDynamicMesh" );
	if( pAutoBind )
	{
		Bind( pAutoBind, NULL );
	}

	if ( pVertexOverride )
	{
		if ( CompressionType( pVertexOverride->GetVertexFormat() ) != VERTEX_COMPRESSION_NONE )
		{
			// UNDONE: support compressed dynamic meshes if needed (pro: less VB memory, con: time spent compressing)
			DebuggerBreak();
			return NULL;
		}
	}

	// For anything more than 1 bone, imply the last weight from the 1 - the sum of the others.
	// FIXME: this seems wrong - in common_vs_fxc.h, we only infer the last weight if we have 3 (not 2)
	int nCurrentBoneCount = GetCurrentNumBones();
	Assert( nCurrentBoneCount <= 4 );
	if ( nCurrentBoneCount > 1 )
	{
		--nCurrentBoneCount;
	}

	return g_pShaderAPI->GetDynamicMeshEx( GetCurrentMaterialInternal(), vertexFormat, nCurrentBoneCount, 
		bBuffered, pVertexOverride, pIndexOverride );
}


//-----------------------------------------------------------------------------
// Deals with depth range
//-----------------------------------------------------------------------------
void CMatRenderContext::DepthRange( float zNear, float zFar )
{
	m_Viewport.m_flMinZ = zNear;
	m_Viewport.m_flMaxZ = zFar;
	g_pShaderAPI->SetViewports( 1, &m_Viewport );
}


//-----------------------------------------------------------------------------
// Private utility function to actually commit the top of the RT/Viewport stack
// to the device.  Only called by the push and pop routines above.
//-----------------------------------------------------------------------------
void CMatRenderContext::CommitRenderTargetAndViewport( void )
{
	Assert( m_RenderTargetStack.Count() > 0 );

	const RenderTargetStackElement_t &element = m_RenderTargetStack.Top( );

	for( int rt=0; rt<NELEMS(element.m_pRenderTargets); rt++ )
	{
		// If we're dealing with the back buffer
		if ( element.m_pRenderTargets[rt] == NULL )
		{
			g_pShaderAPI->SetRenderTargetEx(rt); // No texture parameter here indicates back buffer
						
			if (rt == 0)										// the first rt sets the viewport
			{
				if (IsPC() || IsPS3())
				{
					Assert(ImageLoader::SizeInBytes(g_pShaderDevice->GetBackBufferFormat()) <= 4);
					g_pShaderAPI->EnableLinearColorSpaceFrameBuffer(false);
				}

				// If either dimension is negative, set to full bounds of back buffer
				if ( (element.m_nViewW < 0) || (element.m_nViewH < 0) )
				{
					m_Viewport.m_nTopLeftX = 0;
					m_Viewport.m_nTopLeftY = 0;
					g_pShaderAPI->GetBackBufferDimensions( m_Viewport.m_nWidth, m_Viewport.m_nHeight );
					g_pShaderAPI->SetViewports( 1, &m_Viewport );
				}
				else // use the bounds in the element
				{
					m_Viewport.m_nTopLeftX = element.m_nViewX;
					m_Viewport.m_nTopLeftY = element.m_nViewY;
					m_Viewport.m_nWidth = element.m_nViewW;
					m_Viewport.m_nHeight = element.m_nViewH;
					g_pShaderAPI->SetViewports( 1, &m_Viewport );
				}
			}
		}
		else // We're dealing with a texture
		{
			ITextureInternal *pTexInt = static_cast<ITextureInternal*>(element.m_pRenderTargets[rt]);
			pTexInt->SetRenderTarget( rt, element.m_pDepthTexture );

			if (rt == 0)
			{
				if ( IsPC() || IsPS3() )
				{
					if( ( element.m_pRenderTargets[rt]->GetImageFormat() == IMAGE_FORMAT_RGBA16161616F ) ||
						( element.m_pRenderTargets[rt]->GetImageFormat() == IMAGE_FORMAT_RGBA32323232F )  ||
						( element.m_pRenderTargets[rt]->GetImageFormat() == IMAGE_FORMAT_R32F ) )
					{
						g_pShaderAPI->EnableLinearColorSpaceFrameBuffer( true );
					}
					else
					{
						g_pShaderAPI->EnableLinearColorSpaceFrameBuffer( false );
					}
				}

				// If either dimension is negative, set to full bounds of target
				if ( (element.m_nViewW < 0) || (element.m_nViewH < 0) )
				{
					m_Viewport.m_nTopLeftX = 0;
					m_Viewport.m_nTopLeftY = 0;
					m_Viewport.m_nWidth = element.m_pRenderTargets[rt]->GetActualWidth();
					m_Viewport.m_nHeight = element.m_pRenderTargets[rt]->GetActualHeight();
					g_pShaderAPI->SetViewports( 1, &m_Viewport );
				}
				else // use the bounds passed in
				{
					m_Viewport.m_nTopLeftX = element.m_nViewX;
					m_Viewport.m_nTopLeftY = element.m_nViewY;
					m_Viewport.m_nWidth = element.m_nViewW;
					m_Viewport.m_nHeight = element.m_nViewH;
					g_pShaderAPI->SetViewports( 1, &m_Viewport );
				}
			}
		}
	}
}


void CMatRenderContext::SetFrameBufferCopyTexture( ITexture *pTexture, int textureIndex )
{
	if( textureIndex < 0 || textureIndex > MAX_FB_TEXTURES )
	{
		Assert( 0 );
		return;
	}
	// FIXME: Do I need to increment/decrement ref counts here, or assume that the app is going to do it?
	m_pCurrentFrameBufferCopyTexture[textureIndex] = pTexture;
}

void CMatRenderContext::BindLocalCubemap( ITexture *pTexture )
{
	CMatRenderContextBase::BindLocalCubemap( pTexture );

	if ( g_pShaderDevice->IsUsingGraphics() )
	{
		if( pTexture )
		{
			ITextureInternal *pTextureInternal = static_cast<ITextureInternal*>( pTexture );
			g_pShaderAPI->SetStandardTextureHandle( TEXTURE_LOCAL_ENV_CUBEMAP, pTextureInternal->GetTextureHandle( 0 ) ); 
		}
		else
		{
			g_pShaderAPI->SetStandardTextureHandle( TEXTURE_LOCAL_ENV_CUBEMAP, INVALID_SHADERAPI_TEXTURE_HANDLE ); 
		}
	}
}

void CMatRenderContext::SetNonInteractiveLogoTexture( ITexture *pTexture, float flNormalizedX, float flNormalizedY, float flNormalizedW, float flNormalizedH )
{
	m_pNonInteractiveLogo.Init( pTexture );
	m_flLogoNormalizedX = flNormalizedX;
	m_flLogoNormalizedY = flNormalizedY;
	m_flLogoNormalizedW = flNormalizedW;
	m_flLogoNormalizedH = flNormalizedH;
}

void CMatRenderContext::SetNonInteractivePacifierTexture( ITexture *pTexture, float flNormalizedX, float flNormalizedY, float flNormalizedSize )
{
	m_pNonInteractivePacifier.Init( pTexture );
	m_flNormalizedX = flNormalizedX;
	m_flNormalizedY = flNormalizedY;
	m_flNormalizedSize = flNormalizedSize;
}

void CMatRenderContext::SetNonInteractiveTempFullscreenBuffer( ITexture *pTexture, MaterialNonInteractiveMode_t mode )
{
	if ( mode != MATERIAL_NON_INTERACTIVE_MODE_NONE )
	{
		m_pNonInteractiveTempFullscreenBuffer[mode].Init( pTexture );
	}
}

void CMatRenderContext::RefreshFrontBufferNonInteractive()
{
	g_pShaderDevice->RefreshFrontBufferNonInteractive();
#ifdef _X360
	if ( s_bDirtyDisk )
	{
		if ( m_NonInteractiveMode == MATERIAL_NON_INTERACTIVE_MODE_NONE )
		{
			SpinPresent();
		}
		else
		{
			while ( true )
			{
				g_pShaderDevice->RefreshFrontBufferNonInteractive();
			}
		}
	}
#endif
}

void CMatRenderContext::EnableNonInteractiveMode( MaterialNonInteractiveMode_t mode )
{
	m_NonInteractiveMode = mode;
	if ( mode == MATERIAL_NON_INTERACTIVE_MODE_NONE )
	{
		g_pShaderDevice->EnableNonInteractiveMode( mode );
	}
	else
	{
		ShaderNonInteractiveInfo_t info;

		// background
		ITextureInternal *pTexInternal = static_cast<ITextureInternal*>( (ITexture*)m_pNonInteractiveTempFullscreenBuffer[mode] );
		info.m_hTempFullscreenTexture = pTexInternal ? pTexInternal->GetTextureHandle(0) : INVALID_SHADERAPI_TEXTURE_HANDLE;

		// logo
		info.m_flLogoNormalizedX = m_flLogoNormalizedX;
		info.m_flLogoNormalizedY = m_flLogoNormalizedY;
		info.m_flLogoNormalizedW = m_flLogoNormalizedW;
		info.m_flLogoNormalizedH = m_flLogoNormalizedH;

		ITextureInternal *pTexLogoInternal = static_cast<ITextureInternal*>( (ITexture*)m_pNonInteractiveLogo );
		info.m_hLogoTexture = pTexLogoInternal ? pTexLogoInternal->GetTextureHandle(0) : INVALID_SHADERAPI_TEXTURE_HANDLE;

		// pacifier
		info.m_flNormalizedX = m_flNormalizedX;
		info.m_flNormalizedY = m_flNormalizedY;
		info.m_flNormalizedSize = m_flNormalizedSize;

		ITextureInternal *pTexPacifierInternal = static_cast<ITextureInternal*>( (ITexture*)m_pNonInteractivePacifier );
		info.m_nPacifierCount = pTexPacifierInternal ? pTexPacifierInternal->GetNumAnimationFrames() : 0;
		for ( int i = 0; i < info.m_nPacifierCount; ++i )
		{
			info.m_pPacifierTextures[i] = pTexPacifierInternal->GetTextureHandle( i ); 
		}

		g_pShaderDevice->EnableNonInteractiveMode( mode, &info );
	}
}

void CMatRenderContext::SetRenderTargetEx( int nRenderTargetID, ITexture *pNewTarget ) 
{
	// Verify valid top of RT stack
	Assert ( m_RenderTargetStack.Count() > 0 );
	
	// Grab the old target
	ITexture *pOldTarget = m_RenderTargetStack.Top().m_pRenderTargets[nRenderTargetID];

	CMatRenderContextBase::SetRenderTargetEx( nRenderTargetID, pNewTarget );

	// If we're actually changing render targets
	if( pNewTarget != pOldTarget )
	{
		// If we're going to render to the back buffer
		if ( pNewTarget == NULL )
		{
			if ( nRenderTargetID == 0)						// reset viewport on set of rt 0
			{
				m_Viewport.m_nTopLeftX = 0;
				m_Viewport.m_nTopLeftY = 0;
				g_pShaderAPI->GetBackBufferDimensions( m_Viewport.m_nWidth, m_Viewport.m_nHeight ); 
				g_pShaderAPI->SetViewports( 1, &m_Viewport ); 
			}
			g_pShaderAPI->SetRenderTargetEx( nRenderTargetID ); // No parameter here indicates back buffer
		}
		else
		{
			// If we're going to render to a texture
			// Make sure the texture is a render target...
			bool reset = true;
			if ( nRenderTargetID == 0 )
			{
				// reset vp on change of rt#0
				m_Viewport.m_nTopLeftX = 0;
				m_Viewport.m_nTopLeftY = 0;
				m_Viewport.m_nWidth = pNewTarget->GetActualWidth();
				m_Viewport.m_nHeight = pNewTarget->GetActualHeight();
				g_pShaderAPI->SetViewports( 1, &m_Viewport ); 
			}

			ITextureInternal *pTexInt = static_cast<ITextureInternal*>(pNewTarget);
			if ( pTexInt )
			{
				reset = !pTexInt->SetRenderTarget( nRenderTargetID );
				if ( reset )
				{
					g_pShaderAPI->SetRenderTargetEx( nRenderTargetID );
				}
			}

			if ( pNewTarget && ( ( pNewTarget->GetImageFormat() == IMAGE_FORMAT_RGBA16161616F ) || 
				                 ( pNewTarget->GetImageFormat() == IMAGE_FORMAT_RGBA32323232F ) ) ||
								 ( pNewTarget->GetImageFormat() == IMAGE_FORMAT_R32F ) )
			{
				g_pShaderAPI->EnableLinearColorSpaceFrameBuffer( true );
			}
			else
			{
				g_pShaderAPI->EnableLinearColorSpaceFrameBuffer( false );
			}
		}
	}
	CommitRenderTargetAndViewport();
}


void CMatRenderContext::GetRenderTargetDimensions( int &width, int &height ) const
{
	// Target at top of stack
	ITexture *pTOS = m_RenderTargetStack.Top().m_pRenderTargets[0];

	// If top of stack isn't the back buffer, get dimensions from the texture
	if ( pTOS != NULL )
	{
		width = pTOS->GetActualWidth();
		height = pTOS->GetActualHeight();
	}
	else // otherwise, get them from the shader API
	{
		g_pShaderAPI->GetBackBufferDimensions( width, height );
	}
}


//-----------------------------------------------------------------------------
// What are the lightmap dimensions?
//-----------------------------------------------------------------------------
void CMatRenderContext::GetLightmapDimensions( int *w, int *h )
{
	*w = GetMaterialSystem()->GetLightmapWidth( GetLightmapPage() );
	*h = GetMaterialSystem()->GetLightmapHeight( GetLightmapPage() );
}


//-----------------------------------------------------------------------------
// FIXME: This is a hack required for NVidia/XBox, can they fix in drivers?
//-----------------------------------------------------------------------------
void CMatRenderContext::DrawScreenSpaceQuad( IMaterial* pMaterial )
{
	// This is required because the texture coordinates for NVidia reading
	// out of non-power-of-two textures is borked
	int w, h;

	GetRenderTargetDimensions( w, h );
	if ( ( w == 0 ) || ( h == 0 ) )
		return;

	// This is the size of the back-buffer we're reading from.
	int bw, bh;
	bw = w; bh = h;

	/* FIXME: Get this to work in hammer/engine integration
	if ( m_pRenderTargetTexture )
	{
	}
	else
	{
		MaterialVideoMode_t mode;
		GetDisplayMode( mode );
		if ( ( mode.m_Width == 0 ) || ( mode.m_Height == 0 ) )
			return;
		bw = mode.m_Width;
		bh = mode.m_Height;
	}
	*/

	float s0, t0;
	float s1, t1;
		 	  
	float flOffsetS = (bw != 0.0f) ? 1.0f / bw : 0.0f;
	float flOffsetT = (bh != 0.0f) ? 1.0f / bh : 0.0f;
	s0 = 0.5f * flOffsetS;
	t0 = 0.5f * flOffsetT;
	s1 = (w-0.5f) * flOffsetS;
	t1 = (h-0.5f) * flOffsetT;
	
	Bind( pMaterial );
	IMesh* pMesh = GetDynamicMesh( true );

	MatrixMode( MATERIAL_VIEW );
	PushMatrix();
	LoadIdentity();

	MatrixMode( MATERIAL_PROJECTION );
	PushMatrix();
	LoadIdentity();

	CMeshBuilder meshBuilder;
	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

	meshBuilder.Position3f( -1.0f, -1.0f, 0.0f );
	meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
	meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
	meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
	meshBuilder.TexCoord2f( 0, s0, t1 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( -1.0f, 1, 0.0f );
	meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
	meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
	meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
	meshBuilder.TexCoord2f( 0, s0, t0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1, 1, 0.0f );
	meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
	meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
	meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
	meshBuilder.TexCoord2f( 0, s1, t0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1, -1.0f, 0.0f );
	meshBuilder.TangentS3f( 0.0f, 1.0f, 0.0f );
	meshBuilder.TangentT3f( 1.0f, 0.0f, 0.0f );
	meshBuilder.Normal3f( 0.0f, 0.0f, 1.0f );
	meshBuilder.TexCoord2f( 0, s1, t1 );
	meshBuilder.AdvanceVertex();

	meshBuilder.End();
	pMesh->Draw();

	MatrixMode( MATERIAL_VIEW );
	PopMatrix();

	MatrixMode( MATERIAL_PROJECTION );
	PopMatrix();
}

void CMatRenderContext::DrawScreenSpaceRectangle( 
	IMaterial *pMaterial,
	int destx, int desty,
	int width, int height,
	float src_texture_x0, float src_texture_y0,			// which texel you want to appear at
	// destx/y
	float src_texture_x1, float src_texture_y1,			// which texel you want to appear at
	// destx+width-1, desty+height-1
	int src_texture_width, int src_texture_height,		// needed for fixup
	void *pClientRenderable,
	int nXDice, int nYDice )							// Amount to tessellate the quad
{
	pMaterial = ((IMaterialInternal *)pMaterial)->GetRealTimeVersion();

	::DrawScreenSpaceRectangle( pMaterial, destx, desty, width, height, 
		src_texture_x0, src_texture_y0,	src_texture_x1, src_texture_y1,
		src_texture_width, src_texture_height, pClientRenderable, nXDice, nYDice );
	return;
}

static int CompareVertexFormats( VertexFormat_t Fmt1, VertexFormat_t Fmt2 )
{
	if ( Fmt1 != Fmt2 )
	{
		if ( Fmt1 > Fmt2 )
			return 1;
		else
			return -1;
	}
	else
		return 0;
}

int CMatRenderContext::CompareMaterialCombos( IMaterial *pMaterial1, IMaterial *pMaterial2, int lightMapID1, int lightMapID2 )
{
	pMaterial1 = ((IMaterialInternal *)pMaterial1)->GetRealTimeVersion(); //always work with the real time version of materials internally.
	pMaterial2 = ((IMaterialInternal *)pMaterial2)->GetRealTimeVersion(); //always work with the real time version of materials internally.

	IMaterialInternal *pMat1 = (IMaterialInternal *)pMaterial1;
	IMaterialInternal *pMat2 = (IMaterialInternal *)pMaterial2;
	ShaderRenderState_t *pState1 = pMat1->GetRenderState();
	ShaderRenderState_t *pState2 = pMat2->GetRenderState();
	int dPass = pState2->m_pSnapshots->m_nPassCount - pState1->m_pSnapshots->m_nPassCount;
	if ( dPass )
		return dPass;

	if ( pState1->m_pSnapshots->m_nPassCount > 1 )
	{
		int dFormat = CompareVertexFormats( pMat1->GetVertexFormat(), pMat2->GetVertexFormat() );
		if ( dFormat )
			return dFormat;
	}

	for ( int i = 0; i < pState1->m_pSnapshots->m_nPassCount; i++ )
	{
		// UNDONE: Compare snapshots in the shaderapi?
		int dSnapshot = pState1->m_pSnapshots->m_Snapshot[i] - pState2->m_pSnapshots->m_Snapshot[i];
		if ( dSnapshot )
		{
			dSnapshot = g_pShaderAPI->CompareSnapshots( pState1->m_pSnapshots->m_Snapshot[i], pState2->m_pSnapshots->m_Snapshot[i] );
			if ( dSnapshot )
				return dSnapshot;
		}
	}

	int dFormat = CompareVertexFormats( pMat1->GetVertexFormat(), pMat2->GetVertexFormat() );
	if ( dFormat )
		return dFormat;

	IMaterialVar **pParams1 = pMat1->GetShaderParams();
	IMaterialVar **pParams2 = pMat2->GetShaderParams();

	if( pParams1[BASETEXTURE]->GetType() == MATERIAL_VAR_TYPE_TEXTURE ||
		pParams2[BASETEXTURE]->GetType() == MATERIAL_VAR_TYPE_TEXTURE )
	{
		if( pParams1[BASETEXTURE]->GetType() != pParams2[BASETEXTURE]->GetType() )
		{
			return pParams2[BASETEXTURE]->GetType() - pParams1[BASETEXTURE]->GetType();
		}
		int dBaseTexture = Q_stricmp( pParams1[BASETEXTURE]->GetTextureValue()->GetName(), pParams2[BASETEXTURE]->GetTextureValue()->GetName() );
		if ( dBaseTexture )
			return dBaseTexture;
	}

	int dLightmap = lightMapID1 - lightMapID2;
	if ( dLightmap )
		return dLightmap;

	if ( pMat1 > pMat2 ) 
		return 1;
	if ( pMat1 < pMat2 )
		return -1;
	return 0;
}


void CMatRenderContext::Bind( IMaterial *pMaterial, void *proxyData )
{
	IMaterialInternal *material = static_cast<IMaterialInternal *>( pMaterial );

	if ( !material )
	{
		if ( !g_pErrorMaterial )
			return;
		
		Warning( "Programming error: CMatRenderContext::Bind: NULL material\n" );
		material = static_cast<IMaterialInternal *>( g_pErrorMaterial );
	}
	
	material = material->GetRealTimeVersion(); //always work with the real time versions of materials internally

	if (g_config.bDrawFlat && !material->NoDebugOverride())
	{
		material = static_cast<IMaterialInternal *>( GetDrawFlatMaterial() );
	}

	CMatRenderContextBase::Bind( pMaterial, proxyData );

	IMaterialInternal* pMatInternal = GetCurrentMaterialInternal();
	Assert( pMatInternal );

	// We've always gotta call the bind proxy
	SyncMatrices();
	if ( GetMaterialSystem()->GetThreadMode() == MATERIAL_SINGLE_THREADED || pMatInternal->HasQueueFriendlyProxies() )
	{
		pMatInternal->CallBindProxy( proxyData, NULL );
	}
	g_pShaderAPI->Bind( GetCurrentMaterialInternal() );
}

void CMatRenderContext::CopyRenderTargetToTextureEx( ITexture *pTexture, int nRenderTargetID, Rect_t *pSrcRect, Rect_t *pDstRect )
{
	if ( !pTexture )
	{
		Assert( 0 );
		return;
	}

	GetMaterialSystem()->Flush( false );
	ITextureInternal *pTextureInternal = (ITextureInternal *)pTexture;

	if ( IsPC() || !IsX360() )
	{
		pTextureInternal->CopyFrameBufferToMe( nRenderTargetID, pSrcRect, pDstRect );
	}
	else
	{
		// X360 only does 1:1 resolves. So we can do full resolves to textures of size 
		// equal or greater than the viewport trivially. Downsizing is nasty.
		Rect_t srcRect;
		if ( !pSrcRect )
		{
			// build out source rect
			pSrcRect = &srcRect;
			int x, y, w, h;
			GetViewport( x, y, w, h );

			pSrcRect->x = 0;
			pSrcRect->y = 0;
			pSrcRect->width = w;
			pSrcRect->height = h;
		}

		Rect_t dstRect;
		if ( !pDstRect )
		{
			// build out target rect
			pDstRect = &dstRect;

			pDstRect->x = 0;
			pDstRect->y = 0;
			pDstRect->width = pTexture->GetActualWidth();
			pDstRect->height = pTexture->GetActualHeight();
		}

		if ( pSrcRect->width == pDstRect->width && pSrcRect->height == pDstRect->height )
		{
			// 1:1 mapping, no stretching needed, use direct path
			pTextureInternal->CopyFrameBufferToMe( nRenderTargetID, pSrcRect, pDstRect );
			return;
		}

		if( (pDstRect->x == 0) && (pDstRect->y == 0) && 
			(pDstRect->width == pTexture->GetActualWidth()) && (pDstRect->height == pTexture->GetActualHeight()) &&
			(pDstRect->width >= pSrcRect->width) && (pDstRect->height >= pSrcRect->height) )
		{
			// Resolve takes up the whole texture, and the texture is large enough to hold the resolve.
			// This is turned into a 1:1 resolve within shaderapi by making D3D think the texture is smaller from now on. (Until it resolves from a bigger source)
			pTextureInternal->CopyFrameBufferToMe( nRenderTargetID, pSrcRect, pDstRect );
			return;
		}

		// currently assuming disparate copies are only for FB blits
		// ensure active render target is actually the back buffer
		Assert( m_RenderTargetStack.Top().m_pRenderTargets[0] == NULL );

		// nasty sequence:
		// resolve FB surface to matching clone DDR texture
		// gpu draw from clone DDR FB texture to disparate RT target surface
		// resolve to its matching DDR clone texture
		ITextureInternal *pFullFrameFB = (ITextureInternal*)GetMaterialSystem()->FindTexture( "_rt_FullFrameFB", TEXTURE_GROUP_RENDER_TARGET );
		pFullFrameFB->CopyFrameBufferToMe( nRenderTargetID, NULL, NULL );

		// target texture must be a render target
		PushRenderTargetAndViewport( pTexture );

		// blit FB source to render target
		DrawScreenSpaceRectangle(
			GetMaterialSystem()->GetRenderTargetBlitMaterial(),
			pDstRect->x, pDstRect->y, pDstRect->width, pDstRect->height,
			pSrcRect->x, pSrcRect->y, pSrcRect->x+pSrcRect->width-1, pSrcRect->y+pSrcRect->height-1, 
			pFullFrameFB->GetActualWidth(), pFullFrameFB->GetActualHeight() );

		// resolve render target to texture
		((ITextureInternal *)pTexture)->CopyFrameBufferToMe( 0, NULL, NULL );

		// restore render target and viewport
		PopRenderTargetAndViewport();
	}
}

void CMatRenderContext::CopyRenderTargetToTexture( ITexture *pTexture )
{
	CopyRenderTargetToTextureEx( pTexture, NULL, NULL );
}


void CMatRenderContext::CopyTextureToRenderTargetEx( int nRenderTargetID, ITexture *pTexture, Rect_t *pSrcRect, Rect_t *pDstRect )
{
	if ( !pTexture )
	{
		Assert( 0 );
		return;
	}

	GetMaterialSystem()->Flush( false );
	ITextureInternal *pTextureInternal = (ITextureInternal *)pTexture;

	if ( IsPC() || !IsX360() )
	{
		pTextureInternal->CopyMeToFrameBuffer( nRenderTargetID, pSrcRect, pDstRect );
	}
	else
	{
		Assert( 0 );
	}
}


void CMatRenderContext::ClearBuffers( bool bClearColor, bool bClearDepth, bool bClearStencil )
{
	int width, height;
	GetRenderTargetDimensions( width, height );
	g_pShaderAPI->ClearBuffers( bClearColor, bClearDepth, bClearStencil, width, height );
}

void CMatRenderContext::DrawClearBufferQuad( unsigned char r, unsigned char g, unsigned char b, unsigned char a, bool bClearColor, bool bClearAlpha, bool bClearDepth )
{
	IMaterialInternal *pClearMaterial = GetBufferClearObeyStencil( bClearColor + ( bClearAlpha << 1 ) + ( bClearDepth << 2 ) );
	Bind( pClearMaterial );

	IMesh* pMesh = GetDynamicMesh( true );

	MatrixMode( MATERIAL_MODEL );
	PushMatrix();
	LoadIdentity();

	MatrixMode( MATERIAL_VIEW );
	PushMatrix();
	LoadIdentity();

	MatrixMode( MATERIAL_PROJECTION );
	PushMatrix();
	LoadIdentity();

	float flDepth = GetMaterialSystem()->GetConfig().bReverseDepth ? 0.0f : 1.0f;

	CMeshBuilder meshBuilder;
	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

	//1.1 instead of 1.0 to fix small borders around the edges in full screen with anti-aliasing enabled
	meshBuilder.Position3f( -1.1f, -1.1f, flDepth );
	meshBuilder.Color4ub( r, g, b, a );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( -1.1f, 1.1f, flDepth );
	meshBuilder.Color4ub( r, g, b, a );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1.1f, 1.1f, flDepth );
	meshBuilder.Color4ub( r, g, b, a );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1.1f, -1.1f, flDepth );
	meshBuilder.Color4ub( r, g, b, a );
	meshBuilder.AdvanceVertex();

	meshBuilder.End();
	pMesh->Draw();

	MatrixMode( MATERIAL_MODEL );
	PopMatrix();

	MatrixMode( MATERIAL_VIEW );
	PopMatrix();

	MatrixMode( MATERIAL_PROJECTION );
	PopMatrix();
}

#ifdef _PS3

void CMatRenderContext::DrawReloadZcullQuad()
{
	IMaterialInternal *pMaterial = GetReloadZcullMaterial();
	Bind( pMaterial );

	IMesh* pMesh = GetDynamicMesh( true );

	MatrixMode( MATERIAL_MODEL );
	PushMatrix();
	LoadIdentity();

	MatrixMode( MATERIAL_VIEW );
	PushMatrix();
	LoadIdentity();

	MatrixMode( MATERIAL_PROJECTION );
	PushMatrix();
	LoadIdentity();

	CMeshBuilder meshBuilder;
	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );

	meshBuilder.Position3f( -1.0f, -1.0f, 0.0f );
	meshBuilder.Color4ub( 0, 0, 0, 0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( -1.0f, 1.0f, 0.0f );
	meshBuilder.Color4ub( 0, 0, 0, 0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1.0f, 1.0f, 0.0f );
	meshBuilder.Color4ub( 0, 0, 0, 0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.Position3f( 1.0f, -1.0f, 0.0f );
	meshBuilder.Color4ub( 0, 0, 0, 0 );
	meshBuilder.AdvanceVertex();

	meshBuilder.End();
	pMesh->Draw();

	MatrixMode( MATERIAL_MODEL );
	PopMatrix();

	MatrixMode( MATERIAL_VIEW );
	PopMatrix();

	MatrixMode( MATERIAL_PROJECTION );
	PopMatrix();
}

#endif // _PS3

//-----------------------------------------------------------------------------
// Should really be called SetViewport
//-----------------------------------------------------------------------------
void CMatRenderContext::Viewport( int x, int y, int width, int height )
{
	CMatRenderContextBase::Viewport( x, y, width, height );

	// If either dimension is negative, set to full bounds of current target
	if ( (width < 0) || (height < 0) )
	{
		ITexture *pTarget = m_RenderTargetStack.Top().m_pRenderTargets[0];

		// If target is the back buffer
		if ( pTarget == NULL )
		{
			m_Viewport.m_nTopLeftX = 0;
			m_Viewport.m_nTopLeftY = 0;
			g_pShaderAPI->GetBackBufferDimensions( m_Viewport.m_nWidth, m_Viewport.m_nHeight );
			g_pShaderAPI->SetViewports( 1, &m_Viewport );
		}
		else // target is a texture
		{
			m_Viewport.m_nTopLeftX = 0;
			m_Viewport.m_nTopLeftY = 0;
			m_Viewport.m_nWidth = pTarget->GetActualWidth();
			m_Viewport.m_nHeight = pTarget->GetActualHeight();
			g_pShaderAPI->SetViewports( 1, &m_Viewport );
		}
	}
	else // use the bounds passed in
	{
		m_Viewport.m_nTopLeftX = x;
		m_Viewport.m_nTopLeftY = y;
		m_Viewport.m_nWidth = width;
		m_Viewport.m_nHeight = height;
		g_pShaderAPI->SetViewports( 1, &m_Viewport );
	}
}

void CMatRenderContext::GetViewport( int& x, int& y, int& width, int& height ) const
{
	// Verify valid top of RT stack
	Assert ( m_RenderTargetStack.Count() > 0 );

	// Grab the top of stack
	const RenderTargetStackElement_t& element = m_RenderTargetStack.Top();

	// If either dimension is not positive, set to full bounds of current target
	if ( (element.m_nViewW <= 0) || (element.m_nViewH <= 0) )
	{
		// Viewport origin at target origin
		x = y = 0;

		// If target is back buffer
		if ( element.m_pRenderTargets[0] == NULL )
		{
			g_pShaderAPI->GetBackBufferDimensions( width, height );
		}
		else // if target is texture
		{
			width = element.m_pRenderTargets[0]->GetActualWidth();
			height = element.m_pRenderTargets[0]->GetActualHeight();
		}
	}
	else // use the bounds from the stack directly
	{
		x = element.m_nViewX;
		y = element.m_nViewY;
		width = element.m_nViewW;
		height = element.m_nViewH;
	}
}



//-----------------------------------------------------------------------------
// Methods related to user clip planes
//-----------------------------------------------------------------------------
void CMatRenderContext::UpdateHeightClipUserClipPlane( void )
{
	PlaneStackElement pse;
	pse.bHack_IsHeightClipPlane = true;

	int iExistingHeightClipPlaneIndex;
	for( iExistingHeightClipPlaneIndex = m_CustomClipPlanes.Count(); --iExistingHeightClipPlaneIndex >= 0; )
	{
		if( m_CustomClipPlanes[iExistingHeightClipPlaneIndex].bHack_IsHeightClipPlane )
			break;
	}
	
	switch( m_HeightClipMode )
	{
	case MATERIAL_HEIGHTCLIPMODE_DISABLE:
		if( iExistingHeightClipPlaneIndex != -1 )
			m_CustomClipPlanes.Remove( iExistingHeightClipPlaneIndex );
		break;
	case MATERIAL_HEIGHTCLIPMODE_RENDER_ABOVE_HEIGHT:
		pse.fValues[0] = 0.0f;
		pse.fValues[1] = 0.0f;
		pse.fValues[2] = 1.0f;
		pse.fValues[3] = m_HeightClipZ;
		if( iExistingHeightClipPlaneIndex != -1 )
		{
			memcpy( m_CustomClipPlanes.Base() + iExistingHeightClipPlaneIndex, &pse, sizeof( PlaneStackElement ) );
		}
		else
		{
			m_CustomClipPlanes.AddToTail( pse );
		}
		break;
	case MATERIAL_HEIGHTCLIPMODE_RENDER_BELOW_HEIGHT:
		pse.fValues[0] = 0.0f;
		pse.fValues[1] = 0.0f;
		pse.fValues[2] = -1.0f;
		pse.fValues[3] = -m_HeightClipZ;
		if( iExistingHeightClipPlaneIndex != -1 )
		{
			memcpy( m_CustomClipPlanes.Base() + iExistingHeightClipPlaneIndex, &pse, sizeof( PlaneStackElement ) );
		}
		else
		{
			m_CustomClipPlanes.AddToTail( pse );
		}
		break;
	};

	ApplyCustomClipPlanes();
	
	/*switch( m_HeightClipMode )
	{
	case MATERIAL_HEIGHTCLIPMODE_DISABLE:
		g_pShaderAPI->EnableClipPlane( 0, false );
		break;
	case MATERIAL_HEIGHTCLIPMODE_RENDER_ABOVE_HEIGHT:
		plane[0] = 0.0f;
		plane[1] = 0.0f;
		plane[2] = 1.0f;
		plane[3] = m_HeightClipZ;
		g_pShaderAPI->SetClipPlane( 0, plane );
		g_pShaderAPI->EnableClipPlane( 0, true );
		break;
	case MATERIAL_HEIGHTCLIPMODE_RENDER_BELOW_HEIGHT:
		plane[0] = 0.0f;
		plane[1] = 0.0f;
		plane[2] = -1.0f;
		plane[3] = -m_HeightClipZ;
		g_pShaderAPI->SetClipPlane( 0, plane );
		g_pShaderAPI->EnableClipPlane( 0, true );
		break;
	}*/
}


//-----------------------------------------------------------------------------
// Lightmap stuff
//-----------------------------------------------------------------------------
void CMatRenderContext::BindLightmapPage( int lightmapPageID )
{
	if ( m_lightmapPageID == lightmapPageID )
		return;

	if ( g_pShaderDevice->IsUsingGraphics() )
	{
		g_pShaderAPI->SetStandardTextureHandle( TEXTURE_LIGHTMAP, GetLightmapTexture( lightmapPageID ) ); 
		g_pShaderAPI->SetStandardTextureHandle( TEXTURE_PAINT, GetPaintmapTexture( lightmapPageID ) ); 
	}

	CMatRenderContextBase::BindLightmapPage( lightmapPageID );
}

void CMatRenderContext::BindLightmapTexture( ITexture *pLightmapTexture )
{
	if ( ( m_lightmapPageID == MATERIAL_SYSTEM_LIGHTMAP_PAGE_USER_DEFINED ) && ( m_pUserDefinedLightmap == pLightmapTexture ) )
		return;

	if ( pLightmapTexture )
	{
		pLightmapTexture->IncrementReferenceCount();
	}
	if ( m_pUserDefinedLightmap )
	{
		m_pUserDefinedLightmap->DecrementReferenceCount();
	}
	m_pUserDefinedLightmap = static_cast<ITextureInternal*>( pLightmapTexture );

	m_lightmapPageID = MATERIAL_SYSTEM_LIGHTMAP_PAGE_USER_DEFINED;
	if ( g_pShaderDevice->IsUsingGraphics() )
	{
		g_pShaderAPI->SetStandardTextureHandle( TEXTURE_LIGHTMAP, GetLightmapTexture( m_lightmapPageID ) ); 
		g_pShaderAPI->SetStandardTextureHandle( TEXTURE_PAINT, GetPaintmapTexture( m_lightmapPageID ) ); 
	}
}


void CMatRenderContext::BindLightmap( Sampler_t sampler, TextureBindFlags_t nBindFlags )
{
	g_pShaderAPI->BindTexture( sampler, nBindFlags, GetLightmapTexture( m_lightmapPageID ) );
}

ShaderAPITextureHandle_t CMatRenderContext::GetPaintmapTexture( int nLightmapPage )
{
	if( !GetPaintmaps()->IsEnabled() )
	{
		return GetBlackAlphaZeroTextureHandle();
	}

	switch ( nLightmapPage ) //paint map pages match lightmap pages
	{
	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_USER_DEFINED:
	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_WHITE:
	case MATERIAL_SYSTEM_LIGHTMAP_PAGE_WHITE_BUMP:
		break;

	default:
		{
			int nNumLightmapPages = GetLightmaps()->GetNumLightmapPages();
			Assert( ( nLightmapPage == 0 && nNumLightmapPages == 0 ) || ( nLightmapPage >= 0 && nLightmapPage < nNumLightmapPages ) );
			if( nLightmapPage >= 0 && nLightmapPage < nNumLightmapPages )
				return GetPaintmaps()->GetPaintmapPageTextureHandle( nLightmapPage );
		}
		break;
	}

	return GetBlackAlphaZeroTextureHandle();
}

void CMatRenderContext::BindPaintTexture( Sampler_t sampler, TextureBindFlags_t nBindFlags )
{
	ShaderAPITextureHandle_t hPaintmap = GetPaintmapTexture( m_lightmapPageID );
	g_pShaderAPI->BindTexture( sampler, nBindFlags, hPaintmap );
}

void CMatRenderContext::BindBumpLightmap( Sampler_t sampler, TextureBindFlags_t nBindFlags )
{
	ShaderAPITextureHandle_t hLightmap = GetLightmapTexture( m_lightmapPageID );
	g_pShaderAPI->BindTexture( sampler, nBindFlags, hLightmap );
	g_pShaderAPI->BindTexture( (Sampler_t)(sampler+1), nBindFlags, hLightmap );
	g_pShaderAPI->BindTexture( (Sampler_t)(sampler+2), nBindFlags, hLightmap );
}

void CMatRenderContext::BindFullbrightLightmap( Sampler_t sampler, TextureBindFlags_t nBindFlags )
{
	g_pShaderAPI->BindTexture( sampler, nBindFlags, GetFullbrightLightmapTextureHandle() );
}

void CMatRenderContext::BindBumpedFullbrightLightmap( Sampler_t sampler, TextureBindFlags_t nBindFlags )
{
	g_pShaderAPI->BindTexture( sampler, nBindFlags, GetFullbrightBumpedLightmapTextureHandle() );
}


static void SafeTextureBind( ITextureInternal *tex, Sampler_t sampler, TextureBindFlags_t nBindFlags ) 
{
	AssertMsg( tex, "Tried to bind NULL texture.\n" );
	if ( tex )
		tex->Bind( sampler, nBindFlags );
}

//-----------------------------------------------------------------------------
// Bind standard textures
//-----------------------------------------------------------------------------

ShaderAPITextureHandle_t CMatRenderContext::GetStandardTexture( StandardTextureId_t id )
{
	switch ( id )
	{
	case TEXTURE_PAINT:
		return GetPaintmapTexture( m_lightmapPageID );

	case TEXTURE_LIGHTMAP:
		return GetLightmapTexture( m_lightmapPageID );

	case TEXTURE_LIGHTMAP_BUMPED:
		return GetLightmapTexture( m_lightmapPageID );

	case TEXTURE_LIGHTMAP_FULLBRIGHT:
		return GetFullbrightLightmapTextureHandle();

	case TEXTURE_LIGHTMAP_BUMPED_FULLBRIGHT:
		return GetFullbrightBumpedLightmapTextureHandle();

	case TEXTURE_WHITE:
		return GetWhiteTextureHandle();

	case TEXTURE_BLACK:
		return GetBlackTextureHandle();

	case TEXTURE_BLACK_ALPHA_ZERO:
		return GetBlackAlphaZeroTextureHandle();

	case TEXTURE_GREY:
		return GetGreyTextureHandle();

	case TEXTURE_GREY_ALPHA_ZERO:
		return GetGreyAlphaZeroTextureHandle();

	case TEXTURE_NORMALMAP_FLAT:
		return GetFlatNormalTextureHandle();

	case TEXTURE_SSBUMP_FLAT:
		return GetFlatSSBumpTextureHandle();

	case TEXTURE_NORMALIZATION_CUBEMAP:
		return TextureManager()->NormalizationCubemap()->GetTextureHandle(0);

	case TEXTURE_NORMALIZATION_CUBEMAP_SIGNED:
		return TextureManager()->SignedNormalizationCubemap()->GetTextureHandle(0);

	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0:
	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_1:
		{
			int nTextureIndex = id - TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0; 
			if( m_pCurrentFrameBufferCopyTexture[ nTextureIndex ] )
			{
				return ( ( ITextureInternal * )m_pCurrentFrameBufferCopyTexture[ nTextureIndex ] )->GetTextureHandle(0);
			}
		}
		return INVALID_SHADERAPI_TEXTURE_HANDLE;

	case TEXTURE_COLOR_CORRECTION_VOLUME_0:
	case TEXTURE_COLOR_CORRECTION_VOLUME_1:
	case TEXTURE_COLOR_CORRECTION_VOLUME_2:
	case TEXTURE_COLOR_CORRECTION_VOLUME_3:
		{
			return TextureManager()->ColorCorrectionTexture( id - TEXTURE_COLOR_CORRECTION_VOLUME_0 )->GetTextureHandle(0);
		}

	case TEXTURE_SHADOW_NOISE_2D:
		return TextureManager()->ShadowNoise2D()->GetTextureHandle(0);

	case TEXTURE_SSAO_NOISE_2D:
		return TextureManager()->SSAONoise2D()->GetTextureHandle(0);

	case TEXTURE_IDENTITY_LIGHTWARP:
		return TextureManager()->IdentityLightWarp()->GetTextureHandle(0);

	case TEXTURE_MORPH_ACCUMULATOR:
		return g_pMorphMgr->MorphAccumulator()->GetTextureHandle(0);

	case TEXTURE_MORPH_WEIGHTS:
		return g_pMorphMgr->MorphWeights()->GetTextureHandle(0);

	case TEXTURE_FRAME_BUFFER_FULL_DEPTH:
		if( m_bFullFrameDepthIsValid && TextureManager()->FullFrameDepthTexture() )
			return TextureManager()->FullFrameDepthTexture()->GetTextureHandle(0);
		else
			return GetMaxDepthTextureHandle();

	case TEXTURE_LOCAL_ENV_CUBEMAP:
		{
			ITextureInternal *pTextureInternal = static_cast<ITextureInternal*>( m_pLocalCubemapTexture );
			return pTextureInternal->GetTextureHandle( 0 );
		}

	case TEXTURE_STEREO_PARAM_MAP:
		{
			return TextureManager()->StereoParamTexture()->GetTextureHandle( 0 );
		}

	default:
		Assert(0);
	}

	return INVALID_SHADERAPI_TEXTURE_HANDLE;
}

void CMatRenderContext::BindStandardTexture( Sampler_t sampler, TextureBindFlags_t nBindFlags, StandardTextureId_t id )
{
	switch ( id )
	{
	case TEXTURE_PAINT:
		BindPaintTexture( sampler, nBindFlags );
		break;

	case TEXTURE_LIGHTMAP:
		BindLightmap( sampler, nBindFlags );
		return;

	case TEXTURE_LIGHTMAP_BUMPED:
		BindBumpLightmap( sampler, nBindFlags );
		return;

	case TEXTURE_LIGHTMAP_FULLBRIGHT:
		BindFullbrightLightmap( sampler, nBindFlags );
		return;

	case TEXTURE_LIGHTMAP_BUMPED_FULLBRIGHT:
		BindBumpedFullbrightLightmap( sampler, nBindFlags );
		return;

	case TEXTURE_WHITE:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetWhiteTextureHandle() );
		return;

	case TEXTURE_BLACK:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetBlackTextureHandle() );
		return;

	case TEXTURE_BLACK_ALPHA_ZERO:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetBlackAlphaZeroTextureHandle() );
		return;

	case TEXTURE_GREY:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetGreyTextureHandle() );
		return;

	case TEXTURE_GREY_ALPHA_ZERO:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetGreyAlphaZeroTextureHandle() );
		return;

	case TEXTURE_NORMALMAP_FLAT:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetFlatNormalTextureHandle() );
		return;

	case TEXTURE_SSBUMP_FLAT:
		g_pShaderAPI->BindTexture( sampler, nBindFlags, GetFlatSSBumpTextureHandle() );
		return;

	case TEXTURE_NORMALIZATION_CUBEMAP:
		SafeTextureBind( TextureManager()->NormalizationCubemap(), sampler, nBindFlags );
		return;

	case TEXTURE_NORMALIZATION_CUBEMAP_SIGNED:
		SafeTextureBind( TextureManager()->SignedNormalizationCubemap(), sampler, nBindFlags );
		return;

	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0:
	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_1:
		{
			int nTextureIndex = id - TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0; 
			if( m_pCurrentFrameBufferCopyTexture[ nTextureIndex ] )
			{
				( ( ITextureInternal * )m_pCurrentFrameBufferCopyTexture[ nTextureIndex ] )->Bind( sampler, nBindFlags );
			}
		}
		return;

	case TEXTURE_COLOR_CORRECTION_VOLUME_0:
	case TEXTURE_COLOR_CORRECTION_VOLUME_1:
	case TEXTURE_COLOR_CORRECTION_VOLUME_2:
	case TEXTURE_COLOR_CORRECTION_VOLUME_3:
		{
			SafeTextureBind( TextureManager()->ColorCorrectionTexture( id - TEXTURE_COLOR_CORRECTION_VOLUME_0 ), sampler, nBindFlags );
		}
		return;

	case TEXTURE_SHADOW_NOISE_2D:
		SafeTextureBind( TextureManager()->ShadowNoise2D(), sampler, nBindFlags );
		return;

	case TEXTURE_SSAO_NOISE_2D:
		SafeTextureBind( TextureManager()->SSAONoise2D(), sampler, nBindFlags );
		return;

	case TEXTURE_IDENTITY_LIGHTWARP:
		SafeTextureBind( TextureManager()->IdentityLightWarp(), sampler, nBindFlags );
		return;

	case TEXTURE_MORPH_ACCUMULATOR:
		SafeTextureBind( g_pMorphMgr->MorphAccumulator(), sampler, nBindFlags );
		return;

	case TEXTURE_MORPH_WEIGHTS:
		SafeTextureBind( g_pMorphMgr->MorphWeights(), sampler, nBindFlags );
		return;

	case TEXTURE_FRAME_BUFFER_FULL_DEPTH:
		if( m_bFullFrameDepthIsValid && TextureManager()->FullFrameDepthTexture() )
			TextureManager()->FullFrameDepthTexture()->Bind( sampler, nBindFlags );
		else
			g_pShaderAPI->BindTexture( sampler, nBindFlags, GetMaxDepthTextureHandle() );
		return;

	case TEXTURE_LOCAL_ENV_CUBEMAP:
		{
			ITextureInternal *pTextureInternal = static_cast<ITextureInternal*>( m_pLocalCubemapTexture );
			g_pShaderAPI->BindTexture( sampler, nBindFlags, pTextureInternal->GetTextureHandle( 0 ) );
		}
		return;

	case TEXTURE_STEREO_PARAM_MAP:
		{
			SafeTextureBind( TextureManager()->StereoParamTexture(), sampler, nBindFlags );
		}
		return;

	default:
		Assert(0);
	}
}

void CMatRenderContext::BindStandardVertexTexture( VertexTextureSampler_t vtSampler, StandardTextureId_t id )
{
	switch ( id )
	{
	case TEXTURE_MORPH_ACCUMULATOR:
		g_pMorphMgr->MorphAccumulator()->BindVertexTexture( vtSampler );
		return;

	case TEXTURE_MORPH_WEIGHTS:
		g_pMorphMgr->MorphWeights()->BindVertexTexture( vtSampler );
		return;

	case TEXTURE_SUBDIVISION_PATCHES:
#if defined( FEATURE_SUBD_SUPPORT )
		g_pShaderAPI->BindVertexTexture( vtSampler, g_pSubDMgr->SubDTexture() );
#else
		// not supported
		Assert( 0 );
#endif
		return;

	case TEXTURE_BLACK:
		g_pShaderAPI->BindVertexTexture( vtSampler, GetBlackTextureHandle() );
		return;

	default:
		Assert(0);
	}
}

float CMatRenderContext::GetSubDHeight()
{
#if defined( FEATURE_SUBD_SUPPORT )
	return (float)g_pSubDMgr->GetHeight();
#else
	// not supported
	Assert( 0 );
	return 0;
#endif
}

void CMatRenderContext::GetStandardTextureDimensions( int *pWidth, int *pHeight, StandardTextureId_t id )
{
	ITexture *pTexture = NULL;
	switch ( id )
	{
	case TEXTURE_LIGHTMAP:
	case TEXTURE_LIGHTMAP_BUMPED:
	case TEXTURE_LIGHTMAP_FULLBRIGHT:
	case TEXTURE_LIGHTMAP_BUMPED_FULLBRIGHT:
		// NOTE: Doesn't exactly work since we may be in fullbright mode
//		GetLightmapDimensions( pWidth, pHeight );
//		break;

	case TEXTURE_WHITE:
	case TEXTURE_BLACK:
	case TEXTURE_BLACK_ALPHA_ZERO:
	case TEXTURE_GREY:
	case TEXTURE_GREY_ALPHA_ZERO:
	case TEXTURE_NORMALMAP_FLAT:
	case TEXTURE_SSBUMP_FLAT:
	default:
		Assert( 0 );
		Warning( "GetStandardTextureDimensions: still unimplemented for this type!\n" );
		*pWidth = *pHeight = -1;
		break;

	case TEXTURE_NORMALIZATION_CUBEMAP:
		pTexture = TextureManager()->NormalizationCubemap();
		break;

	case TEXTURE_NORMALIZATION_CUBEMAP_SIGNED:
		pTexture = TextureManager()->SignedNormalizationCubemap();
		break;

	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0:
	case TEXTURE_FRAME_BUFFER_FULL_TEXTURE_1:
		{
			int nTextureIndex = id - TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0; 
			pTexture = m_pCurrentFrameBufferCopyTexture[ nTextureIndex ];
		}
		break;

	case TEXTURE_COLOR_CORRECTION_VOLUME_0:
	case TEXTURE_COLOR_CORRECTION_VOLUME_1:
	case TEXTURE_COLOR_CORRECTION_VOLUME_2:
	case TEXTURE_COLOR_CORRECTION_VOLUME_3:
		pTexture = TextureManager()->ColorCorrectionTexture( id - TEXTURE_COLOR_CORRECTION_VOLUME_0 );
		break;

	case TEXTURE_SHADOW_NOISE_2D:
		pTexture = TextureManager()->ShadowNoise2D();
		break;

	case TEXTURE_SSAO_NOISE_2D:
		pTexture = TextureManager()->SSAONoise2D();
		break;

	case TEXTURE_IDENTITY_LIGHTWARP:
		pTexture = TextureManager()->IdentityLightWarp();
		return;

	case TEXTURE_MORPH_ACCUMULATOR:
		pTexture = g_pMorphMgr->MorphAccumulator();
		break;

	case TEXTURE_MORPH_WEIGHTS:
		pTexture = g_pMorphMgr->MorphWeights();
		break;

	case TEXTURE_STEREO_PARAM_MAP:
		pTexture = TextureManager()->StereoParamTexture();
		break;
	}

	if ( pTexture )
	{
		*pWidth = pTexture->GetActualWidth();
		*pHeight = pTexture->GetActualHeight();
	}
	else
	{
		Warning( "GetStandardTextureDimensions: Couldn't find the texture to get the dimensions!\n" );
		*pWidth = *pHeight = -1;
	}
}

void CMatRenderContext::FogColor3f( float r, float g, float b )
{
	unsigned char fogColor[3];
	fogColor[0] = clamp( (int)(r * 255.0f), 0, 255 );
	fogColor[1] = clamp( (int)(g * 255.0f), 0, 255 );
	fogColor[2] = clamp( (int)(b * 255.0f), 0, 255 );
	g_pShaderAPI->SceneFogColor3ub( fogColor[0], fogColor[1], fogColor[2] );
}

void CMatRenderContext::FogColor3fv( const float* rgb )
{
	unsigned char fogColor[3];
	fogColor[0] = clamp( (int)(rgb[0] * 255.0f), 0, 255 );
	fogColor[1] = clamp( (int)(rgb[1] * 255.0f), 0, 255 );
	fogColor[2] = clamp( (int)(rgb[2] * 255.0f), 0, 255 );
	g_pShaderAPI->SceneFogColor3ub( fogColor[0], fogColor[1], fogColor[2] );
}



void CMatRenderContext::SetFlashlightMode( bool bEnable )
{
	m_bFlashlightEnable = bEnable;
}

void CMatRenderContext::SetRenderingPaint( bool bEnable )
{
	m_bRenderingPaint = bEnable;
}

bool CMatRenderContext::GetFlashlightMode( ) const
{
	return m_bFlashlightEnable;
}

bool CMatRenderContext::IsCullingEnabledForSinglePassFlashlight() const
{
	return m_bCullingEnabledForSinglePassFlashlight;
}

void CMatRenderContext::EnableCullingForSinglePassFlashlight( bool bEnable )
{
	m_bCullingEnabledForSinglePassFlashlight = bEnable;
}

void CMatRenderContext::EnableSinglePassFlashlightMode( bool bEnable )
{
	m_bSinglePassFlashlightMode = bEnable;
	g_pShaderAPI->EnableSinglePassFlashlightMode( bEnable );
}

bool CMatRenderContext::SinglePassFlashlightModeEnabled() const
{
	return m_bSinglePassFlashlightMode;
}

void CMatRenderContext::SetFlashlightStateEx( const FlashlightState_t &state, const VMatrix &worldToTexture, ITexture *pFlashlightDepthTexture )
{
	g_pShaderAPI->SetFlashlightStateEx( state, worldToTexture, pFlashlightDepthTexture );
}

void CMatRenderContext::SetCascadedShadowMappingState( const CascadedShadowMappingState_t &state, ITexture *pDepthTextureAtlas )
{
	g_pShaderAPI->SetCascadedShadowMappingState( state, pDepthTextureAtlas );
}

// This routine pushes a new scissor rect onto the top of the stack by intersecting with
// the current top before pushing.  This means the top is always the intersection of all
// rects on the stack and it makes popping the stack trivial
void CMatRenderContext::PushScissorRect( const int nLeft, const int nTop, const int nRight, const int nBottom )
{
	// Really deep stack, overflow?
	if ( m_ScissorRectStack.Count() > 32 )
	{
		DevMsg( "Scissor Rect Stack overflow.  Too many Pushes?\n" );
	}

	// Necessary to push the stack top onto itself; realloc could happen otherwise
	m_ScissorRectStack.EnsureCapacity( m_ScissorRectStack.Count() + 1 );

	int nNewLeft = nLeft;
	int nNewTop = nTop;
	int nNewRight = nRight;
	int nNewBottom = nBottom;

	// If there are already elements in the stack, intersect with them
	if ( m_ScissorRectStack.Count() > 0 )
	{
		nNewLeft   = MAX( m_ScissorRectStack.Top().nLeft, nLeft );
		nNewTop    = MAX( m_ScissorRectStack.Top().nTop, nTop );
		nNewRight  = MIN( m_ScissorRectStack.Top().nRight, nRight );
		nNewBottom = MIN( m_ScissorRectStack.Top().nBottom, nBottom );
	}

	// If we have a negative width, just slam to a rect of zero width
	if ( nNewLeft > nNewRight )
	{
		nNewLeft = nNewRight;
	}

	// If we have a negative height, just slam to a rect of zero height
	if ( nNewTop > nNewBottom )
	{
		nNewTop = nNewBottom;
	}

	// Make sure we don't have a negative rect
	Assert( nNewRight >= nNewLeft );
	Assert( nNewBottom >= nNewTop );

	// Make an element and push it
	ScissorRectStackElement_t element = { nNewLeft, nNewTop, nNewRight, nNewBottom };
	m_ScissorRectStack.Push( element );

	g_pShaderAPI->SetScissorRect( element.nLeft, element.nTop, element.nRight, element.nBottom, true );
}

void CMatRenderContext::PopScissorRect( )
{
	// Nothing on the stack.  Just disable scissoring and bail
	if ( m_ScissorRectStack.Count() <= 0 )
	{
		DevMsg( "Scissor Rect Stack underflow.  Too many Pops?\n" );
	
		g_pShaderAPI->SetScissorRect( -1, -1, -1, -1, false );
		return;
	}

	m_ScissorRectStack.Pop();

	// If there is anything left on the stack, set the ShaderAPI rect to the top
	if ( m_ScissorRectStack.Count() > 0 )
	{
		g_pShaderAPI->SetScissorRect( m_ScissorRectStack.Top().nLeft, 
									  m_ScissorRectStack.Top().nTop,
									  m_ScissorRectStack.Top().nRight,
									  m_ScissorRectStack.Top().nBottom, true );
	}
	else
	{
		// We popped the last element, turn off scissoring
		g_pShaderAPI->SetScissorRect( -1, -1, -1, -1, false );
	}
}

void CMatRenderContext::SetToneMappingScaleLinear( const Vector &vScale )
{
	// Keep a copy in CMatRenderContext since CMatRenderContextBase::GetToneMappingScaleLinear() doesn't have access to ShaderAPI
	m_LastSetToneMapScale = vScale;

	// Call into ShaderAPI
	g_pShaderAPI->SetToneMappingScaleLinear( vScale );
}

void CMatRenderContext::BeginBatch( IMesh* pIndices )
{
	Assert( !m_pBatchMesh && !m_pBatchIndices);
	m_pBatchIndices = pIndices;
}

void CMatRenderContext::BindBatch( IMesh* pVertices, IMaterial *pAutoBind )
{
	m_pBatchMesh = GetDynamicMesh( false, pVertices, m_pBatchIndices, pAutoBind );
}

void CMatRenderContext::DrawBatch(MaterialPrimitiveType_t primType, int firstIndex, int numIndices )
{
	Assert( m_pBatchMesh );
	m_pBatchMesh->SetPrimitiveType( primType );
	m_pBatchMesh->Draw( firstIndex, numIndices );
}

void CMatRenderContext::EndBatch()
{
	m_pBatchIndices = NULL;
	m_pBatchMesh = NULL;
}

bool CMatRenderContext::OnDrawMesh( IMesh *pMesh, int firstIndex, int numIndices )
{
	SyncMatrices();
	return true;
}

bool CMatRenderContext::OnDrawMesh( IMesh *pMesh, CPrimList *pLists, int nLists )
{
	SyncMatrices();
	return true;
}

bool CMatRenderContext::OnDrawMeshModulated( IMesh *pMesh, const Vector4D& vecDiffuseModulation, int firstIndex, int numIndices )
{
	SyncMatrices();
	return true;
}


//-----------------------------------------------------------------------------
// Methods related to morph accumulation
//-----------------------------------------------------------------------------
void CMatRenderContext::BeginMorphAccumulation()
{
	g_pMorphMgr->BeginMorphAccumulation( m_pMorphRenderContext );
}

void CMatRenderContext::EndMorphAccumulation()
{
	g_pMorphMgr->EndMorphAccumulation( m_pMorphRenderContext );
}

void CMatRenderContext::AccumulateMorph( IMorph* pMorph, int nMorphCount, const MorphWeight_t* pWeights )
{
	g_pMorphMgr->AccumulateMorph( m_pMorphRenderContext, pMorph, nMorphCount, pWeights );
}

bool CMatRenderContext::GetMorphAccumulatorTexCoord( Vector2D *pTexCoord, IMorph *pMorph, int nVertex )
{
	return g_pMorphMgr->GetMorphAccumulatorTexCoord( m_pMorphRenderContext, pTexCoord, pMorph, nVertex );
}

int CMatRenderContext::GetSubDBufferWidth()
{
#if defined( FEATURE_SUBD_SUPPORT )
	return g_pSubDMgr->GetWidth();
#else
	// not supported
	Assert( 0 );
	return 0;
#endif
}

float *CMatRenderContext::LockSubDBuffer( int nNumRows )
{
#if defined( FEATURE_SUBD_SUPPORT )
	return g_pSubDMgr->Lock( nNumRows );
#else
	// not supported
	Assert( 0 );
	return NULL;
#endif
}

void CMatRenderContext::UnlockSubDBuffer()
{
#if defined( FEATURE_SUBD_SUPPORT )
	return g_pSubDMgr->Unlock();
#else
	// not supported
	Assert( 0 );
#endif
}


//-----------------------------------------------------------------------------
// Occlusion query support
//-----------------------------------------------------------------------------
OcclusionQueryObjectHandle_t CMatRenderContext::CreateOcclusionQueryObject()
{
	OcclusionQueryObjectHandle_t h = g_pOcclusionQueryMgr->CreateOcclusionQueryObject();
	g_pOcclusionQueryMgr->OnCreateOcclusionQueryObject( h );
	return h;
}

int CMatRenderContext::OcclusionQuery_GetNumPixelsRendered( OcclusionQueryObjectHandle_t h )
{
	return g_pOcclusionQueryMgr->OcclusionQuery_GetNumPixelsRendered( h, true );
}




void CMatRenderContext::SetFullScreenDepthTextureValidityFlag( bool bIsValid )
{
	m_bFullFrameDepthIsValid = bIsValid;
}

//-----------------------------------------------------------------------------
// Debug logging
//-----------------------------------------------------------------------------

void	CMatRenderContext::PrintfVA( char *fmt, va_list vargs )
{
	#if GLMDEBUG
		g_pShaderAPI->PrintfVA( fmt, vargs );
	#endif
}

void	CMatRenderContext::Printf( char *fmt, ... )
{
	#if GLMDEBUG
		va_list	vargs;

		va_start(vargs, fmt);

		g_pShaderAPI->PrintfVA( fmt, vargs );

		va_end( vargs );
	#endif
}

float	CMatRenderContext::Knob( char *knobname, float *setvalue )
{
	#if GLMDEBUG
		return g_pShaderAPI->Knob( knobname, setvalue );
	#else
		return 0.0f;
	#endif
}