FYI: 8242444: LCD Text Rendering characters other than 1st are not rendere…

[Prasanta Sadhukhan]

It is found that invgamma sent to shader for LCD Text rendering was wrong from 2nd character onwards causing subsequent
characters to be not rendered properly. Rectified invgamma value to be sent to shader.

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Commit messages:
 - 8242444: LCD Text Rendering characters other than 1st are not rendered properly

Changes: https://git.openjdk.java.net/lanai/pull/22/files
 Webrev: https://webrevs.openjdk.java.net/lanai/22/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8242444
  Stats: 15 lines in 1 file changed: 2 ins; 10 del; 3 mod
  Patch: https://git.openjdk.java.net/lanai/pull/22.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/22/head:pull/22

PR: https://git.openjdk.java.net/lanai/pull/22