69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
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//========= Copyright <20> 1996-2005, 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 IDEBUGTEXTUREINFO_H
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#define IDEBUGTEXTUREINFO_H
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#ifdef _WIN32
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#pragma once
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#endif
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class KeyValues;
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// This interface is actually exported by the shader API DLL.
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abstract_class IDebugTextureInfo
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{
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public:
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// Use this to turn on the mode where it builds the debug texture list.
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// At the end of the next frame, GetDebugTextureList() will return a valid list of the textures.
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virtual void EnableDebugTextureList( bool bEnable ) = 0;
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// If this is on, then it will return all textures that exist, not just the ones that were bound in the last frame.
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// It is required to enable debug texture list to get this.
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virtual void EnableGetAllTextures( bool bEnable ) = 0;
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// Use this to get the results of the texture list.
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// Do NOT release the KeyValues after using them.
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// There will be a bunch of subkeys, each with these values:
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// Name - the texture's filename
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// Binds - how many times the texture was bound
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// Format - ImageFormat of the texture
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// Width - Width of the texture
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// Height - Height of the texture
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// It is required to enable debug texture list to get this.
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virtual KeyValues* GetDebugTextureList() = 0;
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// Texture memory usage
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enum TextureMemoryType
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{
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MEMORY_RESERVED_MIN = 0,
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MEMORY_BOUND_LAST_FRAME, // sums up textures bound last frame
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MEMORY_TOTAL_LOADED, // total texture memory used
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MEMORY_ESTIMATE_PICMIP_1, // estimate of running with "picmip 1"
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MEMORY_ESTIMATE_PICMIP_2, // estimate of running with "picmip 2"
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MEMORY_RESERVED_MAX
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};
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// This returns how much memory was used.
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virtual int GetTextureMemoryUsed( TextureMemoryType eTextureMemory ) = 0;
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// Use this to determine if texture debug info was computed within last numFramesAllowed frames.
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virtual bool IsDebugTextureListFresh( int numFramesAllowed = 1 ) = 0;
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// Enable debug texture rendering when texture binds should not count towards textures
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// used during a frame. Returns the old state of debug texture rendering flag to use
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// it for restoring the mode.
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virtual bool SetDebugTextureRendering( bool bEnable ) = 0;
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};
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#endif // IDEBUGTEXTUREINFO_H
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