How can I load a surface from a file to the screen and load another surface on top of it and allow parts of the previous surface to show through
So far I have been able to load the surfaces, but when they are displayed, the one I want to be transparent in certain areas displays black in those parts.
Thanks for any help someone can give me.
A question on displaying surfaces
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A question on displaying surfaces
Joao Cunha Lopes
I have tried looking for examples of these, but I haven't been able to find an example of this using surfaces and 2d graphics. When I load the files to the surface, I set the color key to the color I want transparent(255,0,255), copy the pictures to the back buffer, and display it. I have tried using alpha blending by enabling it with the SetRenderState function, but what I see is black instead of the origional color or the picture I loaded behind it.
If anyone could point me to an example or tutorial using surfaces and 2d graphics, then that would be great.
Thanks
KS
* Use alpha blending and/or alpha testing
* Use the stencil buffer
* Use a pixel shader that clip()s black pixels