92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef IMORPHINTERNAL_H
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#define IMORPHINTERNAL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "materialsystem/imorph.h"
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#include "shaderapi/shareddefs.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class ITextureInternal;
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//-----------------------------------------------------------------------------
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// Render context for morphs
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//-----------------------------------------------------------------------------
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abstract_class IMorphMgrRenderContext
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{
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public:
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};
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//-----------------------------------------------------------------------------
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//
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// Morph data class
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//
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//-----------------------------------------------------------------------------
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abstract_class IMorphInternal : public IMorph
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{
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public:
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virtual void Init( MorphFormat_t format, const char *pDebugName ) = 0;
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virtual void Bind( IMorphMgrRenderContext *pRenderContext ) = 0;
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virtual MorphFormat_t GetMorphFormat() const = 0;
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};
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//-----------------------------------------------------------------------------
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// Morph manager class
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//-----------------------------------------------------------------------------
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abstract_class IMorphMgr
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{
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public:
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// Allocate,free scratch textures + materials
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virtual bool ShouldAllocateScratchTextures() = 0;
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virtual void AllocateScratchTextures() = 0;
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virtual void FreeScratchTextures() = 0;
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virtual void AllocateMaterials() = 0;
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virtual void FreeMaterials() = 0;
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// Returns the morph accumulator scratch texture
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virtual ITextureInternal *MorphAccumulator() = 0;
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virtual ITextureInternal *MorphWeights() = 0;
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// Class factory
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virtual IMorphInternal *CreateMorph() = 0;
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virtual void DestroyMorph( IMorphInternal *pMorphData ) = 0;
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// Max morphs between Begin/End
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virtual int MaxHWMorphBatchCount() const = 0;
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// Begin, end morph accumulation phase
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virtual void BeginMorphAccumulation( IMorphMgrRenderContext *pRenderContext ) = 0;
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virtual void EndMorphAccumulation( IMorphMgrRenderContext *pRenderContext ) = 0;
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// Accumulate a morph
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virtual void AccumulateMorph( IMorphMgrRenderContext *pRenderContext, IMorph* pMorph, int nMorphCount, const MorphWeight_t* pWeights ) = 0;
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// Advances frame count (for debugging)
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virtual void AdvanceFrame() = 0;
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// Returns the location of a particular vertex in the morph accumulator
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virtual bool GetMorphAccumulatorTexCoord( IMorphMgrRenderContext *pRenderContext, Vector2D *pTexCoord, IMorph *pMorph, int nVertex ) = 0;
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// Allocate, free morph mgr render context data.
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virtual IMorphMgrRenderContext *AllocateRenderContext() = 0;
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virtual void FreeRenderContext( IMorphMgrRenderContext *pRenderContext ) = 0;
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};
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extern IMorphMgr *g_pMorphMgr;
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#endif // IMORPHINTERNAL_H
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