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107 lines
2.8 KiB
107 lines
2.8 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: interface to asynchronous lighting preview creator
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//
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//===========================================================================//
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#ifndef LPREVIEW_THREAD_H
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#define LPREVIEW_THREAD_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier0/threadtools.h"
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#include "bitmap/bitmap.h"
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#include "bitmap/float_bm.h"
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#include "tier1/utlvector.h"
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#include "mathlib/lightdesc.h"
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class CLightingPreviewLightDescription : public LightDesc_t
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{
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public:
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int m_nObjectID;
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class CIncrementalLightInfo *m_pIncrementalInfo;
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void Init( int obj_id )
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{
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m_pIncrementalInfo = NULL;
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m_nObjectID = obj_id;
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}
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};
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enum HammerToLightingPreviewMessageType
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{
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// messages from hammer to preview task
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LPREVIEW_MSG_STOP, // no lighting previews open - stop working
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LPREVIEW_MSG_EXIT, // we're exiting program - shut down
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LPREVIEW_MSG_GEOM_DATA, // we have new shadow geometry data
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LPREVIEW_MSG_G_BUFFERS, // we have new g buffer data from the renderer
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LPREVIEW_MSG_LIGHT_DATA, // new light data in m_pLightList
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};
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enum LightingPreviewToHammerMessageType
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{
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// messages from preview task to hammer
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LPREVIEW_MSG_DISPLAY_RESULT, // we have a result image
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};
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struct MessageToLPreview
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{
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HammerToLightingPreviewMessageType m_MsgType;
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MessageToLPreview( HammerToLightingPreviewMessageType mtype)
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{
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m_MsgType = mtype;
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}
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MessageToLPreview( void)
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{
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}
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// this structure uses a fat format for the args instead of separate classes for each
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// message. the messages are small anyway, since pointers are used for anything of size.
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FloatBitMap_t *m_pDefferedRenderingBMs[4]; // if LPREVIEW_MSG_G_BUFFERS
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CUtlVector<CLightingPreviewLightDescription> *m_pLightList; // if LPREVIEW_MSG_LIGHT_DATA
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Vector m_EyePosition; // for LPREVIEW_MSG_LIGHT_DATA & G_BUFFERS
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CUtlVector<Vector> *m_pShadowTriangleList; // for LPREVIEW_MSG_GEOM_DATA
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int m_nBitmapGenerationCounter; // for LPREVIEW_MSG_G_BUFFERS
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};
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struct MessageFromLPreview
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{
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LightingPreviewToHammerMessageType m_MsgType;
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Bitmap_t *m_pBitmapToDisplay; // for LPREVIEW_MSG_DISPLAY_RESULT
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int m_nBitmapGenerationCounter; // for LPREVIEW_MSG_DISPLAY_RESULT
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MessageFromLPreview( LightingPreviewToHammerMessageType msgtype )
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{
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m_MsgType = msgtype;
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}
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MessageFromLPreview( void )
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{
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}
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};
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extern CMessageQueue<MessageToLPreview> g_HammerToLPreviewMsgQueue;
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extern CMessageQueue<MessageFromLPreview> g_LPreviewToHammerMsgQueue;
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extern ThreadHandle_t g_LPreviewThread;
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extern CInterlockedInt n_gbufs_queued;
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extern CInterlockedInt n_result_bms_queued;
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extern Bitmap_t *g_pLPreviewOutputBitmap;
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// the lighting preview thread entry point
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unsigned LightingPreviewThreadFN( void *thread_start_arg );
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// the lighting preview handler. call often
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void HandleLightingPreview( void );
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#endif
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