change the hack to work separately for reflection and refraction; MAY help a little

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9235 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_rmain.c b/gl_rmain.c
index 33a255bac0ece36e40667a174d72a5f94077ee83..49e26bf4f4531e82439f4df358cc3b90fa84a687 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -1072,16 +1072,16 @@ static const char *builtinshaderstring =
 "      // content.\n"
 "      // Remove this 'ack once we have a better way to stop this thing from\n"
 "      // 'appening.\n"
-"      float f = 1;\n"
-"      f *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.05, 0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.05, -0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.05, 0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.05, -0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.05, 0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.05, -0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.05, 0.05))) / 0.02);\n"
-"      f *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.05, -0.05))) / 0.02);\n"
-"      ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
+"      float f = min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.05, 0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.05, -0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.05, 0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.05, -0.05))) / 0.02);\n"
+"      ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
+"      f       = min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.05, 0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.05, -0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.05, 0.05))) / 0.02);\n"
+"      f      *= min(1, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.05, -0.05))) / 0.02);\n"
+"      ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 "      // END OF UGLY UGLY UGLY HACK\n"
 "      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
 "      gl_FragColor = mix(texture2D(Texture_Refraction, ScreenTexCoord.xy) * RefractColor, texture2D(Texture_Reflection, ScreenTexCoord.zw) * ReflectColor, Fresnel);\n"