port from perforce

hgplus/ShaderMinifier/tests/real/extatique/loading.fs

@@ -0,0 +1,31 @@
+uniform sampler2D tex;
+uniform sampler3D gammaRamp;
+
+uniform float blurType;
+uniform float blurAmount;
+
+
+void main()
+{	
+	vec2 p = gl_TexCoord[0].xy;
+	
+	vec4 blur = ( texture2DLod(tex, p, 7.0)
+	            + texture2DLod(tex, p, 6.0)
+	            + texture2DLod(tex, p, 5.0)
+	            + texture2DLod(tex, p, 4.0)
+	            + texture2DLod(tex, p, 3.0)
+	            + texture2DLod(tex, p, 2.0) 
+	            + texture2DLod(tex, p, 1.0)) * vec4(0.142857); /* 1/7 */
+	
+	vec4 center = texture2D(tex, p);
+
+	
+	vec4 blurred = (vec4(1.0) - (vec4(1.0) - blur) * (vec4(1.0) - center));
+	vec4 blurred2 =  blurred * mix( blurred, vec4(1.0), blurType);
+	
+	vec4 uncorrected = mix(center, blurred2, blurAmount); 	
+	
+	/* gamma correction */
+	
+	gl_FragColor = texture3D(gammaRamp, uncorrected.xyz);
+}