--- src/engine/rendergl.cpp	2006-04-24 14:20:25.000000000 -0500
+++ src/engine/rendergl.cpp	2006-04-24 18:50:02.000000000 -0500
@@ -79,6 +79,24 @@
     return SDL_GL_GetProcAddress(name);
 }
 
+bool hasAF = false;
+float AFscale = 1.0;
+float maxAF = 1.0;
+
+void afscale(char* f_str)
+{
+  float scale = strtof(f_str, NULL);
+  if(scale > maxAF)
+	 AFscale = maxAF;
+  else if(scale < 1.0)
+	 AFscale = 1.0;
+  else
+	 AFscale = scale;
+  conoutf("anisotropic filtering scale set to %.1f", AFscale);
+}
+
+COMMAND(afscale, ARG_1STR);
+
 void gl_init(int w, int h)
 {
     #define fogvalues 0.5f, 0.6f, 0.7f, 1.0f
@@ -148,6 +166,17 @@
         glEnable(GL_FRAGMENT_PROGRAM_ARB);
     };
 
+	 if(!strstr(exts, "GL_EXT_texture_filter_anisotropic"))
+		{
+		  conoutf("WARNING: no anisotropic filtering support");
+		}
+	 else
+		{
+		  hasAF = true;
+		  conoutf("using anisotropic filtering for textures");
+		  glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAF);
+		}
+
     purgetextures();
 
     if(!(qsphere = gluNewQuadric())) fatal("glu sphere");
@@ -187,6 +216,7 @@
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, mipit ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR); 
+	 if(hasAF) {glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, AFscale);}//should this go here or in afscale?
     glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
     int mode = bpp==24 ? GL_RGB : GL_RGBA;
     if(mipit) { if(gluBuild2DMipmaps(GL_TEXTURE_2D, mode, w, h, mode, GL_UNSIGNED_BYTE, pixels)) fatal("could not build mipmaps"); }