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24 lines
634 B
GLSL
24 lines
634 B
GLSL
#version 410
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// (x offset, y offset, zoom)
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uniform vec3 transform;
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// (window width, window height, z value)
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uniform vec3 window;
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// textures grid
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uniform sampler2DArray textures;
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in vec4 fs_color;
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in vec3 fs_texture_coord;
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out vec4 out_color;
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void main() {
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vec4 x = fs_color * texture(textures, fs_texture_coord);
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out_color = vec4(x.a * x.r, x.a * x.g, x.a * x.b, x.a);
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// Enable this to quickly see everything in greyscale.
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// https://en.wikipedia.org/wiki/Grayscale#Luma_coding_in_video_systems
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//float gray = dot(fs_color.rgb, vec3(0.299, 0.587, 0.114));
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//out_color = vec4(vec3(gray), fs_color.a);
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}
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