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authorRichieSams2013-09-15 14:41:45 -0500
committerRichieSams2013-09-15 15:00:54 -0500
commit36a0b666b3096da5a7ef169c598897be1cb06078 (patch)
tree9d280f21fd388f53235ed28e6f2328e7e05f2fec /engines/tsage/ringworld
parent3986f333eff094d3104feae263b42e6e9ed85968 (diff)
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ZVISION: Add better alpha support for blitting
Instead of blitting directly to the working window, we cache the alpha pixels, then blit directly to the backbuffer instead of to the working window. This ensures that if the alpha'd content changes, the old changes won't appear in any new frames
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