Backport shader and random texture fixes from master to 4.1.x for v4.1.3#861
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kblaschke merged 4 commits intoprojectM-visualizer:v4.1.xfrom Dec 19, 2024
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Had to simulate it with the "x * exp2(exp)" expression in GLSL, as GLSL only supports integer types as exponents in its native ldexp implementation, while HLSL solely uses floats.
Always use lower-case unqualified names to find and cache the actual textures.
If a preset uses different long-form samplers for a single random slot, this will result in a failure, e.g. using both "sampler_rand00_something" and "sampler_rand00_else". As this also isn't supported by Milkdrop and would create a conflict situation, we don't care.
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revmischa
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Two small but important functionality fixes backported from master which will greatly improve the 4.1 release series.