[Yoshi Story] Background missing in fullscreen until you return to windowed

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What steps will reproduce the problem?
1. Launch Yoshi story and get in game

What is the expected output? What do you see instead?
Sprites are visible, 2D background is black. If you go to windowed and then 
back again, it's fine. 

What version of the product are you using? On what operating system?
r181 - win7 x64

Please provide any additional information below.
I tried adjust the buffer clear and swap methods, but it didn't change anything.

Original issue reported on code.google.com by wespipe...@gmail.com on 4 Oct 2010 at 11:12

[GoogleCodeExporter]

I don't have this problem switching back & forth between windowed and 
fullscreen mode for this game using official WIP or my WIP.
Tried different resolution and still ok.

Original comment by pokefan0...@gmail.com on 5 Oct 2010 at 4:09

[GoogleCodeExporter]

Ok, figured out the issue - this is caused when "Enable frame buffer emulation" 
is ticked. If it's off, it shows the background just fine from the start. Also, 
if the HWFB is off, then the background is just corrupted gfx. 

Try it. Using the default ini, simply tick "Enable Frame buffer" and launch the 
game (windowed or fullscreen). You'll get the black background once you begin a 
level. 

This is definetely a regression as I've never had this issue before with the 
same settings. Let me know if you need anything else.

Original comment by wespipe...@gmail.com on 5 Oct 2010 at 5:15

[GoogleCodeExporter]

Still occuring on r215 and with a different vid card - Nvidia GTX460.

Original comment by wespipe...@gmail.com on 25 Dec 2010 at 12:02

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Recommend we turn off the FB options in the ini if this won't be fixed (still 
present on latest rev) - that's what I had to do. It completely breaks gfx on 
all levels regardless of the screen toggling mentioned previously. It's bad, 
bad, bad.

Original comment by wespipe...@gmail.com on 25 Apr 2011 at 6:13