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17 lines
297 B
Plaintext
17 lines
297 B
Plaintext
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#ifdef GL_ES
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precision mediump float;
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precision mediump int;
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#endif
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uniform sampler2D u_texture;
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varying vec4 v_color;
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varying vec2 v_texCoord;
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void main() {
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vec4 color = texture2D(u_texture, v_texCoord.xy);
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color.a = 1.0 - color.r;
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color.rgb = vec3(0.0);
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gl_FragColor = color * v_color;
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}
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