26 lines
565 B
Bash
26 lines
565 B
Bash
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/*
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* Copyright 2021 elven cache. 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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#ifndef SHARED_FUNCTIONS_SH
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#define SHARED_FUNCTIONS_SH
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vec2 GetTexCoordPreviousNoJitter(vec2 texCoord, vec2 velocity)
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{
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vec2 texCoordPrev = texCoord - velocity;
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return texCoordPrev;
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}
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vec2 GetTexCoordPrevious(vec2 texCoord, vec2 velocity)
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{
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vec2 texCoordPrev = texCoord - velocity;
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vec2 jitterDelta = (u_jitterCurr-u_jitterPrev);
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texCoordPrev += jitterDelta * u_viewTexel.xy;
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return texCoordPrev;
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}
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#endif // SHARED_FUNCTIONS_SH
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