28 lines
827 B
GLSL
28 lines
827 B
GLSL
#extension GL_EXT_texture_array : enable
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uniform sampler2DArray texture_0;
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uniform sampler2DArray texture_1;
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uniform sampler2DArray texture_2;
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uniform sampler2DArray texture_3;
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varying vec2 texcoord;
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void main(void)
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{
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float WINDOW_WIDTH = 1920.0;
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float WINDOW_HEIGHT = 1080.0;
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float cell_width = WINDOW_WIDTH/4.0;
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float cell_height = WINDOW_HEIGHT/4.0;
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float i = floor(gl_FragCoord.x / cell_width);
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float j = floor(gl_FragCoord.y / cell_height);
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vec3 tc = vec3(gl_FragCoord.x / cell_width - i, gl_FragCoord.y / cell_height - j, i);
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if (j < 1.0) gl_FragColor = texture2DArray( texture_0, tc);
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else if (j < 2.0) gl_FragColor = texture2DArray( texture_1, tc);
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else if (j < 3.0) gl_FragColor = texture2DArray( texture_2, tc);
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else gl_FragColor = texture2DArray( texture_3, tc);
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}
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