19 lines
397 B
Bash
Executable File
19 lines
397 B
Bash
Executable File
#!/bin/bash
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if [[ -n "$4" ]]; then
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shaderfile="shaders/${4}.frag"
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if [[ ! -f "$shaderfile" ]]; then
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echo "Error: shader file '$shaderfile' does not exist." >&2
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exit 1
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fi
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else
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shaderfile="$(shuf -n1 -e shaders/*)"
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fi
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export EGL_PLATFORM=surfaceless
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export MESA_GL_VERSION_OVERRIDE=3.3
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shady -i "${shaderfile}" -ofmt rgb24 -g "${1}x${2}" -f "${3:-20}" -rt
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exit 0
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