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Improve glsl shader performance #211

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Improve glsl shader performance #211

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Commits on Oct 11, 2024

  1. Reduce amount of attributes for depth pass 

    Use fragment depth from built-in gl_FragCoord instead of our own depth attribute
    @uis246
    uis246 committed Oct 11, 2024
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  2. Use saturated math and explicitly replace multiplication with negativ… 

    …e value
    @uis246
    uis246 committed Oct 11, 2024
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  3. Use wider vector for postproc with bloom instead of 2 smaller vectors

    @uis246
    uis246 committed Oct 11, 2024
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  4. Replace more stuff with saturation

    @uis246
    uis246 committed Oct 11, 2024
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  5. Small change to offset mapping 

    Adds few fps. Function seems to be too complex for my understanding.
    @uis246
    uis246 committed Oct 11, 2024
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  6. More saturated math

    @uis246
    uis246 committed Oct 11, 2024
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  7. Replace more of max(0, x) with saturation 

    Saturated sum of positive values is equal to saturated sum of saturated values
    @uis246
    uis246 committed Oct 11, 2024
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  8. Remove redundant texture sampling

    @uis246
    uis246 committed Oct 11, 2024
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  9. Use proper built-in function for getting fraction part

    @uis246
    uis246 committed Oct 11, 2024
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