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https://github.com/curioustorvald/Terrarum.git
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18 lines
523 B
GLSL
18 lines
523 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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varying vec4 v_color;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture; // world texture, has alpha value that is meaningful
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uniform sampler2D tex1; // glow texture, SHOULD contain alpha of all 1.0
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void main(void) {
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vec4 colorTex0 = texture2D(u_texture, v_texCoords); // lightmap (RGB) pre-mixed
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vec4 colorTex1 = texture2D(tex1, v_texCoords); // lightmap (A) pre-mixed
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gl_FragColor = vec4(max(colorTex0.rgb, colorTex1.rgb), colorTex0.a);
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} |