34 lines
615 B
Python
34 lines
615 B
Python
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$input v_dir
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/*
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* Copyright 2014-2016 Dario Manesku. 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 "bgfx_shader.sh"
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#include "shaderlib.sh"
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#include "uniforms.sh"
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SAMPLERCUBE(s_texCube, 0);
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SAMPLERCUBE(s_texCubeIrr, 1);
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void main()
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{
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vec3 dir = normalize(v_dir);
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vec4 color;
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if (u_bgType == 7.0)
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{
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color = toLinear(textureCube(s_texCubeIrr, dir));
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}
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else
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{
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float lod = u_bgType;
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dir = fixCubeLookup(dir, lod, 256.0);
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color = toLinear(textureCubeLod(s_texCube, dir, lod));
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}
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color *= exp2(u_exposure);
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gl_FragColor = toFilmic(color);
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}
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