120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose : Singleton manager for color correction on the client
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//
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// $NoKeywords: $
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//===========================================================================//
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#include "cbase.h"
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#include "tier0/vprof.h"
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#include "colorcorrectionmgr.h"
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//------------------------------------------------------------------------------
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// Singleton access
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//------------------------------------------------------------------------------
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static CColorCorrectionMgr s_ColorCorrectionMgr;
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CColorCorrectionMgr *g_pColorCorrectionMgr = &s_ColorCorrectionMgr;
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//------------------------------------------------------------------------------
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// Constructor
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//------------------------------------------------------------------------------
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CColorCorrectionMgr::CColorCorrectionMgr()
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{
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m_nActiveWeightCount = 0;
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}
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//------------------------------------------------------------------------------
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// Creates, destroys color corrections
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//------------------------------------------------------------------------------
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ClientCCHandle_t CColorCorrectionMgr::AddColorCorrection( const char *pName, const char *pFileName )
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{
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if ( !pFileName )
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{
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pFileName = pName;
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}
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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ColorCorrectionHandle_t ccHandle = pRenderContext->AddLookup( pName );
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if ( ccHandle )
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{
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pRenderContext->LockLookup( ccHandle );
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pRenderContext->LoadLookup( ccHandle, pFileName );
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pRenderContext->UnlockLookup( ccHandle );
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}
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else
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{
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Warning("Cannot find color correction lookup file: '%s'\n", pFileName );
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}
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return (ClientCCHandle_t)ccHandle;
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}
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void CColorCorrectionMgr::RemoveColorCorrection( ClientCCHandle_t h )
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{
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if ( h != INVALID_CLIENT_CCHANDLE )
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{
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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ColorCorrectionHandle_t ccHandle = (ColorCorrectionHandle_t)h;
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pRenderContext->RemoveLookup( ccHandle );
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}
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}
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//------------------------------------------------------------------------------
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// Modify color correction weights
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//------------------------------------------------------------------------------
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void CColorCorrectionMgr::SetColorCorrectionWeight( ClientCCHandle_t h, float flWeight )
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{
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if ( h != INVALID_CLIENT_CCHANDLE )
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{
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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ColorCorrectionHandle_t ccHandle = (ColorCorrectionHandle_t)h;
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pRenderContext->SetLookupWeight( ccHandle, flWeight );
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// FIXME: NOTE! This doesn't work if the same handle has
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// its weight set twice with no intervening calls to ResetColorCorrectionWeights
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// which, at the moment, is true
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if ( flWeight != 0.0f )
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{
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++m_nActiveWeightCount;
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}
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}
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}
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void CColorCorrectionMgr::ResetColorCorrectionWeights()
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{
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VPROF_("ResetColorCorrectionWeights", 2, VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, 0);
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// FIXME: Where should I put this? It needs to happen prior to SimulateEntities()
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// which is where the client thinks for c_colorcorrection + c_colorcorrectionvolumes
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// update the color correction weights.
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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pRenderContext->ResetLookupWeights();
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m_nActiveWeightCount = 0;
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}
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void CColorCorrectionMgr::SetResetable( ClientCCHandle_t h, bool bResetable )
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{
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// NOTE: Setting stuff to be not resettable doesn't work when in queued mode
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// because the logic that sets m_nActiveWeightCount to 0 in ResetColorCorrectionWeights
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// is no longer valid when stuff is not resettable.
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Assert( bResetable || !g_pMaterialSystem->GetThreadMode() == MATERIAL_SINGLE_THREADED );
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if ( h != INVALID_CLIENT_CCHANDLE )
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{
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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ColorCorrectionHandle_t ccHandle = (ColorCorrectionHandle_t)h;
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pRenderContext->SetResetable( ccHandle, bResetable );
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}
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}
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//------------------------------------------------------------------------------
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// Is color correction active?
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//------------------------------------------------------------------------------
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bool CColorCorrectionMgr::HasNonZeroColorCorrectionWeights() const
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{
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return ( m_nActiveWeightCount != 0 );
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}
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