Variable glsl_computeOITWeight`Const`

glsl_computeOITWeight: "\nfloat computeOITWeight(float alpha) {\n float a = min(1.0, alpha) * 8.0 + 0.01;\n float b = -gl_FragCoord.z * 0.95 + 1.0;\n return a * a * a * b * b * b;\n}\n" = ...