wined3d: Allow SetCursorProperties on existing cursor

[Stefan Dösinger]

Am Sonntag 11 März 2007 21:08 schrieb Erich Hoover:
> Yeah, that would make more sense wouldn't it :)  Please see attached patch.
If you do it that way, you can remove the PreLoad, LockRect the surface(with 
WINED3DLOCK_READONLY), use glTexImage2D to load This->cursorTexture and then 
Unlock the surface. This saves uploading -> downloading -> uploading. If you 
use that way, please remove SFLAG_FORCELOAD too.

You should make sure that a correct gl texture unit is activated before 
loading This->cursorTexture with GL_EXTCALL(glActiveTextureARB(X)); Search 
through the code how that is done, you have to make sure that 
glActiveTextureARB is supported before using it. You don't have to enable 
GL_TEXTURE_2D to my knowledge to call glTexImage2D, but you have to restore 
the originally bound texture or dirtify the sampler you 
modify(IWineD3DDeviceImpl_MarkStateDirty(This, SAMPLER(X)); where X is the 
unit you selected before. (X = 0 is prefered).
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