From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 13 Mar 2011 14:21:35 +0000 (+0000)
Subject: better support non-GLSL130 in offsetmapping
X-Git-Tag: xonotic-v0.6.0~163^2~628
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=8d326e0a46dbf7324c23cb9d8d1f2606e7d02719;p=xonotic%2Fdarkplaces.git

better support non-GLSL130 in offsetmapping

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10918 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/shader_glsl.h b/shader_glsl.h
index 20be4e6e..7adabc43 100644
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -24,6 +24,10 @@
 "# define texture2D texture\n"
 "# define texture3D texture\n"
 "# define textureCube texture\n"
+"#else\n"
+"# define textureGrad(a,b,c,d) texture2D(a,b)\n"
+"# define dFdx(a) 0\n"
+"# define dFdy(a) 0\n"
 "#endif\n"
 "\n"
 "#ifdef VERTEX_SHADER\n"