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Editorial Team
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Asked: 2026-06-03T11:32:18+00:00

I just want to store an array of weights that needs to every fragment

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I just want to store an array of weights that needs to every fragment calculation.

This:

float weights[5] = float[5](3.4, 4.2, 5.0, 5.2, 1.1);

Just throws this:

ERROR: 0:30: ']' : syntax error syntax error
ERROR: 0:30: ';' : syntax error syntax error
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1 Answer

  1. Editorial Team

    From the OpenGL ES SL 1.0 spec, paragraph 4.1.9 Arrays (p. 24):

    There is no mechanism for initializing arrays at declaration time from within a shader.

    Note that this has been intentionally left out. According to this post, the OpenGL ES SL version for OpenGL ES 2 is based on OpenGL SL 1.2. The same paragraph (p. 20) contains:

    Arrays can have initializers formed from array constructors:

          float a[5] = float[5](3.4, 4.2, 5.0, 5.2, 1.1);
      float a[5] = float[](3.4, 4.2, 5.0, 5.2, 1.1);  // same thing
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