19 lines
516 B
Python
19 lines
516 B
Python
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$input v_texcoord0
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/*
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* Copyright 2011-2018 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#include "../common/common.sh"
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#include "virtualtexture.sh"
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void main()
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{
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float mipCount = log2(PageTableSize);
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float mip = floor(MipLevel(v_texcoord0.xy, VirtualTextureSize) - MipBias);
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mip = clamp(mip, 0, mipCount);
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vec2 offset = floor(v_texcoord0.xy * PageTableSize);
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gl_FragColor = vec4(floor(vec3(offset / exp2(mip), mip)) / 255.0, 1.0);
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}
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