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https://github.com/curioustorvald/Terrarum.git
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17 lines
369 B
GLSL
17 lines
369 B
GLSL
#version 120
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#ifdef GL_ES
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precision mediump float;
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#endif
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#extension GL_EXT_gpu_shader4 : enable
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varying vec4 v_color;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture;
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void main(void) {
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vec4 inColor = texture2D(u_texture, v_texCoords);
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ivec4 bytes = ivec4(255.0 * inColor);
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ivec4 mask = ivec4(0x55);
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gl_FragColor = (bytes ^ mask) / 255.0;
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} |