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uniform sampler2D sampler2d;
varying float v_Dot;
varying vec2 v_texCoord;
void main()
{
vec2 texCoord = vec2(v_texCoord.s, 1.0 - v_texCoord.t);
vec4 color = texture2D(sampler2d, texCoord);
color += vec4(0.1, 0.1, 0.1, 1);
gl_FragColor = vec4(color.xyz * v_Dot, color.a);
}
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