From: eihrul <eihrul@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Fri, 2 Oct 2009 02:55:06 +0000 (+0000)
Subject: enable backface culling for shadowmap rendering
X-Git-Tag: xonotic-v0.1.0preview~1358
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=8be6a37fea0699a1f4888260b24abfc1693c97c6;p=xonotic%2Fdarkplaces.git

enable backface culling for shadowmap rendering


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9275 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/r_shadow.c b/r_shadow.c
index 7f6c212c..79f177ff 100644
--- a/r_shadow.c
+++ b/r_shadow.c
@@ -1700,7 +1700,13 @@ void R_Shadow_RenderMode_ShadowMap(int side, qboolean clear, int size)
 	CHECKGLERROR
 	R_SetViewport(&viewport);
 	GL_PolygonOffset(0, 0);
-	GL_CullFace(GL_NONE); // quake is backwards
+	if(r_shadow_shadowmode >= 1 && r_shadow_shadowmode <= 2)
+	{
+		static qboolean cullback[6] = { true, false, true, false, false, true };
+		GL_CullFace(cullback[side] ? r_refdef.view.cullface_back :  r_refdef.view.cullface_front);
+	}
+	else if(r_shadow_shadowmode == 3)
+		GL_CullFace(r_refdef.view.cullface_back);
 	GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
 	GL_DepthMask(true);
 	GL_DepthTest(true);