mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-25 03:40:26 +01:00
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
|
|
|
|
#include "stdh.h"
|
|
|
|
#include <Engine/Graphics/Stereo.h>
|
|
|
|
#include <Engine/Math/Projection.h>
|
|
#include <Engine/Graphics/GfxLibrary.h>
|
|
#include <Engine/Graphics/ViewPort.h>
|
|
#include <Engine/Graphics/Gfx_wrapper.h>
|
|
|
|
extern INDEX gfx_iStereo;
|
|
extern INDEX gfx_bStereoInvert;
|
|
extern INDEX gfx_iStereoOffset;
|
|
extern FLOAT gfx_fStereoSeparation;
|
|
|
|
// query whether user has turned stereo rendering on
|
|
BOOL Stereo_IsEnabled(void)
|
|
{
|
|
return gfx_iStereo!=0;
|
|
}
|
|
|
|
|
|
// set buffer for stereo rendering left/right/nostereo
|
|
void Stereo_SetBuffer(INDEX iEye)
|
|
{
|
|
if( gfx_bStereoInvert) gfx_bStereoInvert = 1;
|
|
const ULONG ulLeftMask = gfx_bStereoInvert ? CT_BMASK|CT_GMASK : CT_RMASK;
|
|
const ULONG ulRightMask = gfx_bStereoInvert ? CT_RMASK : CT_BMASK|CT_GMASK;
|
|
|
|
if( iEye==STEREO_BOTH || gfx_iStereo==0) {
|
|
gfxSetColorMask(CT_RMASK|CT_GMASK|CT_BMASK|CT_AMASK);
|
|
} else if (iEye==STEREO_LEFT) {
|
|
gfxSetColorMask(ulLeftMask);
|
|
} else if (iEye==STEREO_RIGHT) {
|
|
gfxSetColorMask(ulRightMask);
|
|
}
|
|
}
|
|
|
|
|
|
// adjust perspective projection stereo rendering left/right/nostereo
|
|
void Stereo_AdjustProjection(CProjection3D &pr, INDEX iEye, FLOAT fFactor)
|
|
{
|
|
// prepare and clamp
|
|
CPerspectiveProjection3D &ppr = (CPerspectiveProjection3D &)pr;
|
|
gfx_fStereoSeparation = Clamp( gfx_fStereoSeparation, 0.01f, 1.0f);
|
|
gfx_iStereoOffset = Clamp( gfx_iStereoOffset, -100L, +100L);
|
|
// apply!
|
|
if (iEye==STEREO_BOTH || gfx_iStereo==0) {
|
|
NOTHING;
|
|
} else if (iEye==STEREO_LEFT) {
|
|
pr.ViewerPlacementL().Translate_OwnSystem( FLOAT3D(-gfx_fStereoSeparation*fFactor/2,0,0) );
|
|
ppr.ppr_boxSubScreen = ppr.pr_ScreenBBox;
|
|
ppr.ppr_boxSubScreen -= FLOAT2D(-gfx_iStereoOffset/2.0f, 0.0f);
|
|
} else if (iEye==STEREO_RIGHT) {
|
|
pr.ViewerPlacementL().Translate_OwnSystem( FLOAT3D(+gfx_fStereoSeparation*fFactor/2,0,0) );
|
|
ppr.ppr_boxSubScreen = ppr.pr_ScreenBBox;
|
|
ppr.ppr_boxSubScreen -= FLOAT2D(+gfx_iStereoOffset/2.0f, 0.0f);
|
|
}
|
|
}
|
|
|