13 lines
254 B
GLSL
13 lines
254 B
GLSL
#ifdef GL_ES
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precision mediump float;
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#endif
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varying vec4 v_fragmentColor;
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varying vec2 v_texCoord;
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void main(void)
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{
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vec4 c = texture2D(CC_Texture0, v_texCoord);
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gl_FragColor.xyz = vec3(0.2126*c.r + 0.7152*c.g + 0.0722*c.b);
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gl_FragColor.w = c.w;
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} |