Imported existing code

indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl

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+/** 
+ * @file glowExtractF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect diffuseMap;
+uniform float minLuminance;
+uniform float maxExtractAlpha;
+uniform vec3 lumWeights;
+uniform vec3 warmthWeights;
+uniform float warmthAmount;
+
+void main()
+{
+	vec4 col = texture2DRect(diffuseMap, gl_TexCoord[0].xy);	
+
+	/// CALCULATING LUMINANCE (Using NTSC lum weights)
+	/// http://en.wikipedia.org/wiki/Luma_%28video%29
+	float lum = smoothstep(minLuminance, minLuminance+1.0, dot(col.rgb, lumWeights ) );
+	float warmth = smoothstep(minLuminance, minLuminance+1.0, max(col.r * warmthWeights.r, max(col.g * warmthWeights.g, col.b * warmthWeights.b)) ); 
+	
+	gl_FragColor.rgb = col.rgb; 
+	gl_FragColor.a = max(col.a, mix(lum, warmth, warmthAmount) * maxExtractAlpha);
+}

indra/newview/app_settings/shaders/class1/effects/glowExtractV.glsl

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+/** 
+ * @file glowExtractV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+
+void main() 
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	
+	gl_TexCoord[0].xy = gl_MultiTexCoord0.xy;
+}

indra/newview/app_settings/shaders/class1/effects/glowF.glsl

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+/** 
+ * @file glowF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+uniform sampler2D diffuseMap;
+uniform float glowStrength;
+
+void main()
+{
+
+	vec4 col = vec4(0.0, 0.0, 0.0, 0.0);
+
+	// ATI compiler falls down on array initialization.
+	float kern[8];
+		kern[0] = 0.25; kern[1] = 0.5; kern[2] = 0.8; kern[3] = 1.0;
+		kern[4] = 1.0;  kern[5] = 0.8; kern[6] = 0.5; kern[7] = 0.25;
+	
+	col += kern[0] * texture2D(diffuseMap, gl_TexCoord[0].xy);	
+	col += kern[1] * texture2D(diffuseMap, gl_TexCoord[1].xy);
+	col += kern[2] * texture2D(diffuseMap, gl_TexCoord[2].xy);	
+	col += kern[3] * texture2D(diffuseMap, gl_TexCoord[3].xy);	
+	col += kern[4] * texture2D(diffuseMap, gl_TexCoord[0].zw);	
+	col += kern[5] * texture2D(diffuseMap, gl_TexCoord[1].zw);	
+	col += kern[6] * texture2D(diffuseMap, gl_TexCoord[2].zw);	
+	col += kern[7] * texture2D(diffuseMap, gl_TexCoord[3].zw);	
+	
+	gl_FragColor = vec4(col.rgb * glowStrength, col.a);
+}

indra/newview/app_settings/shaders/class1/effects/glowV.glsl

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+/** 
+ * @file glowV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+uniform vec2 glowDelta;
+
+void main() 
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	
+	gl_TexCoord[0].xy = gl_MultiTexCoord0.xy + glowDelta*(-3.5);
+	gl_TexCoord[1].xy = gl_MultiTexCoord0.xy + glowDelta*(-2.5);
+	gl_TexCoord[2].xy = gl_MultiTexCoord0.xy + glowDelta*(-1.5);
+	gl_TexCoord[3].xy = gl_MultiTexCoord0.xy + glowDelta*(-0.5);
+	gl_TexCoord[0].zw = gl_MultiTexCoord0.xy + glowDelta*(0.5);
+	gl_TexCoord[1].zw = gl_MultiTexCoord0.xy + glowDelta*(1.5);
+	gl_TexCoord[2].zw = gl_MultiTexCoord0.xy + glowDelta*(2.5);
+	gl_TexCoord[3].zw = gl_MultiTexCoord0.xy + glowDelta*(3.5);
+}