4 * require_extensions: GL_ARB_shading_language_420pack
9 * The ARB_shading_language_420pack says:
11 * "Including the following line in a shader will enable module import and
12 * related extended language features described in this extension:
14 * #extension GL_ARB_shading_language_420pack : <behavior>
16 * where <behavior> is as specified in section 3.3 for the #extension
19 * As a result, strictly speaking we need to enable the extension before line
20 * continuation is enabled.
23 #extension GL_ARB_shading_language_420pack: enable
25 /* Make sure it works in comments too.*\