shading shaders

git-svn-id: http://svn.net-core.org/repos/t-engine4@4897 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/gfx/shaders/main_fbo.frag

@@ -6,6 +6,7 @@ uniform sampler2D noisevol;
 uniform vec2 texSize;
 uniform sampler2D tex;
 uniform vec4 colorize;
+uniform vec4 intensify;
 
 void main(void)
 {
@@ -99,6 +100,13 @@ void main(void)
 		gl_FragColor = gl_FragColor * (1.0 - colorize.a) + (vec4(colorize.r, colorize.g, colorize.b, 1.0) * grey);
 	}
 
+	if (intensify.r > 0.0 || intensify.g > 0.0 || intensify.b > 0.0)
+	{
+		float grey = gl_FragColor.r*0.3+gl_FragColor.g*0.59+gl_FragColor.b*0.11;
+		vec4 vgrey = vec4(grey, grey, grey, gl_FragColor.a);
+		gl_FragColor = max(gl_FragColor * intensify, vgrey);
+	}
+
 	if (hp_warning > 0.0)
 	{
 		vec4 hp_warning_color = vec4(hp_warning / 1.9, 0.0, 0.0, hp_warning / 1.5);