110 lines
4.1 KiB
C++
110 lines
4.1 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#ifndef TEXTUREDX8_H
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#define TEXTUREDX8_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "togl/rendermechanism.h"
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#include "bitmap/imageformat.h"
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#include "locald3dtypes.h"
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#include "shaderapi/ishaderapi.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CPixelWriter;
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//-----------------------------------------------------------------------------
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// Returns the size of texture memory
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//-----------------------------------------------------------------------------
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int ComputeTextureMemorySize( const GUID &nDeviceId, D3DDEVTYPE deviceType );
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//-----------------------------------------------------------------------------
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// Texture creation
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//-----------------------------------------------------------------------------
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IDirect3DBaseTexture *CreateD3DTexture( int width, int height, int depth,
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ImageFormat dstFormat, int numLevels, int creationFlags, char *debugLabel=NULL ); // OK to not-supply the last param
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//-----------------------------------------------------------------------------
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// Texture destruction
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//-----------------------------------------------------------------------------
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void DestroyD3DTexture( IDirect3DBaseTexture *pTex );
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int GetD3DTextureRefCount( IDirect3DBaseTexture *pTex );
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//-----------------------------------------------------------------------------
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// Texture heap methods
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//-----------------------------------------------------------------------------
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#if defined( _X360 )
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void SetD3DTextureImmobile( IDirect3DBaseTexture *pTex, bool bImmobile );
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void CompactTextureHeap();
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#endif
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//-----------------------------------------------------------------------------
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// Stats...
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//-----------------------------------------------------------------------------
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int TextureCount();
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//-----------------------------------------------------------------------------
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// Info for texture loading
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//-----------------------------------------------------------------------------
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struct TextureLoadInfo_t
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{
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ShaderAPITextureHandle_t m_TextureHandle;
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int m_nCopy;
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IDirect3DBaseTexture *m_pTexture;
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int m_nLevel;
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D3DCUBEMAP_FACES m_CubeFaceID;
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int m_nWidth;
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int m_nHeight;
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int16 m_nZOffset; // What z-slice of the volume texture are we loading?
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#if defined( _X360 )
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bool m_bSrcIsTiled; // format may not be, but data could be
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bool m_bCanConvertFormat; // allow format conversion
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#else
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bool m_bTextureIsLockable;
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#endif
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ImageFormat m_SrcFormat;
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unsigned char *m_pSrcData;
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};
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//-----------------------------------------------------------------------------
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// Texture image upload
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//-----------------------------------------------------------------------------
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void LoadTexture( TextureLoadInfo_t &info );
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void LoadTextureFromVTF( TextureLoadInfo_t &info, IVTFTexture* pVTF, int iVTFFrame );
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void LoadCubeTextureFromVTF( TextureLoadInfo_t &info, IVTFTexture* pVTF, int iVTFFrame );
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void LoadVolumeTextureFromVTF( TextureLoadInfo_t &info, IVTFTexture* pVTF, int iVTFFrame );
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//-----------------------------------------------------------------------------
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// Upload to a sub-piece of a texture
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//-----------------------------------------------------------------------------
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void LoadSubTexture( TextureLoadInfo_t &info, int xOffset, int yOffset, int srcStride );
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//-----------------------------------------------------------------------------
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// Lock, unlock a texture...
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//-----------------------------------------------------------------------------
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bool LockTexture( ShaderAPITextureHandle_t textureHandle, int copy, IDirect3DBaseTexture* pTexture, int level,
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D3DCUBEMAP_FACES cubeFaceID, int xOffset, int yOffset, int width, int height, bool bDiscard,
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CPixelWriter& writer );
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void UnlockTexture( ShaderAPITextureHandle_t textureHandle, int copy, IDirect3DBaseTexture* pTexture, int level,
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D3DCUBEMAP_FACES cubeFaceID );
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#endif // TEXTUREDX8_H
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