openGl alpha(blend) from luma image?
hi..
i have a luma image with a black and white pattern and want to map this on a opengl obj... it works so far... but i want to have the black pixels beeing transparent so the object is transparent where the texture is black...
i tried blend in openGL but i think i'm using the wrong image format with luma...
how can i get a suitable alphachannel from the black pixels of the texture for the object to use it for "blend" purposes?
thank you for your great support and help...
can't sleep :-)
peter
Generate the alpha channel with jit.lumakey or jit.chromakey @mode 2.
Or any similar operation using jit.unpack->jit.op/jit.charmap-
>jit.pack, et cetera.
-Joshua
You can also use jit.gl.texture @colormode lumalpha to texture your object.
wes
> You can also use jit.gl.texture @colormode lumalpha to texture your
> object.
Wes, you saved my life, made my date and make me cry of joy.
OpenGL is such a great very very high level programming language...
therefore, so much to learn!
pa