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display png with OpenGL
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Topic: display png with OpenGL (Read 2374 times)
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warriorgiroro
Newbie
Posts: 3
display png with OpenGL
«
on:
February 23, 2011, 09:59:17 pm »
is there any problem that I display a png format image with alpha channel ?
since I am using OpenGL
I am not sure that it's the problem of OpenGL or sfml problem
nut the result is there left a white blend for the transparent part
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JAssange
Full Member
Posts: 104
display png with OpenGL
«
Reply #1 on:
February 23, 2011, 11:01:46 pm »
SetSmooth(false)?
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warriorgiroro
Newbie
Posts: 3
display png with OpenGL
«
Reply #2 on:
February 24, 2011, 10:59:23 am »
both true and false didn't affect
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warriorgiroro
Newbie
Posts: 3
display png with OpenGL
«
Reply #3 on:
February 24, 2011, 11:20:09 am »
Quote from: "JAssange"
SetSmooth(false)?
THANKS A LOT
I ve FOUND THE PROBLEM
it s opengl part have to call
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
to perform a transpancy effect
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