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Doom 3 Carmack's Reverse
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https://github.com/tmek/DOOM-3-BFG-VR/commit/244d9cb2f43fbb6d0d5d0f2b6f568b09fbaf2e85 | |
renderer/tr_backend_draw.cpp | |
@@ -34,7 +34,7 @@ | |
34 34 | |
idCVar r_drawEyeColor( "r_drawEyeColor", "0", CVAR_RENDERER | CVAR_BOOL, "Draw a colored box, red = left eye, blue = right eye, grey = non-stereo" ); | |
35 35 | |
idCVar r_motionBlur( "r_motionBlur", "0", CVAR_RENDERER | CVAR_INTEGER | CVAR_ARCHIVE, "1 - 5, log2 of the number of motion blur samples" ); | |
36 36 | |
idCVar r_forceZPassStencilShadows( "r_forceZPassStencilShadows", "0", CVAR_RENDERER | CVAR_BOOL, "force Z-pass rendering for performance testing" ); | |
37 | |
-idCVar r_useStencilShadowPreload( "r_useStencilShadowPreload", "1", CVAR_RENDERER | CVAR_BOOL, "use stencil shadow preload algorithm instead of Z-fail" ); | |
37 | |
+idCVar r_useStencilShadowPreload( "r_useStencilShadowPreload", "0", CVAR_RENDERER | CVAR_BOOL, "use stencil shadow preload algorithm instead of Z-fail" ); | |
38 38 | |
idCVar r_skipShaderPasses( "r_skipShaderPasses", "0", CVAR_RENDERER | CVAR_BOOL, "" ); | |
39 39 | |
idCVar r_skipInteractionFastPath( "r_skipInteractionFastPath", "1", CVAR_RENDERER | CVAR_BOOL, "" ); | |
40 40 | |
idCVar r_useLightStencilSelect( "r_useLightStencilSelect", "0", CVAR_RENDERER | CVAR_BOOL, "use stencil select pass" ); | |
@@ -1462,6 +1462,9 @@ static void RB_StencilShadowPass( const drawSurf_t *drawSurfs, const viewLight_t | |
1462 1462 | |
qglStencilOpSeparate( GL_BACK, GL_KEEP, GL_INCR, GL_INCR ); | |
1463 1463 | |
} else { | |
1464 1464 | |
// Z-fail | |
1465 | |
+ // LEITH: warning this is patented by Creative Labs in US (software patents are bad) | |
1466 | |
+ qglStencilOpSeparate( GL_FRONT, GL_KEEP, GL_DECR, GL_KEEP ); | |
1467 | |
+ qglStencilOpSeparate( GL_BACK, GL_KEEP, GL_INCR, GL_KEEP ); | |
1465 1468 | |
} | |
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