fix r_trippy compile with DRI/Mesa

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11180 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=af372e0fe5486d894987080a2a782bc78b6cf60a

diff --git a/shader_glsl.h b/shader_glsl.h
index 6021148b813f9754349739f09d1997f02a68f339..b02bd3c0a59cfea2031e7b2dc8acdb162d7870c8 100644 (file)
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -110,10 +110,10 @@
 "      position *= 0.125;\n"
 "      //~tweaked for Quake\n"
 "      float distanceSquared = (position.x * position.x + position.z * position.z);\n"
-"      position.y += 5*sin(distanceSquared*sin(float(worldTime)/143.0)/1000.0);\n"
+"      position.y += 5.0*sin(distanceSquared*sin(worldTime/143.0)/1000.0);\n"
 "      float y = position.y;\n"
 "      float x = position.x;\n"
-"      float om = sin(distanceSquared*sin(float(worldTime)/256.0)/5000.0) * sin(float(worldTime)/200.0);\n"
+"      float om = sin(distanceSquared*sin(worldTime/256.0)/5000.0) * sin(worldTime/200.0);\n"
 "      position.y = x*sin(om)+y*cos(om);\n"
 "      position.x = x*cos(om)-y*sin(om);\n"
 "      return position;\n"