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different blending modes for each render target


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#1 Yours3!f   Members   -  Reputation: 1298

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Posted 13 June 2013 - 03:35 AM

Hi there,

 

I'd like to do different blending for each render target in my fbo.

So for example I'd like to overwrite the first render target (GL_COLOR_ATTACHMENT0), but for the second I'd like to do a glBlendFunc(GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR)

 

is there any way I can do this?

 

Best regards,

Yours3!f



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#2 Ashaman73   Crossbones+   -  Reputation: 7096

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Posted 13 June 2013 - 04:01 AM

Take a look at the ARB_draw_buffer_blend extension ,should although be part of ogl4 .



#3 Yours3!f   Members   -  Reputation: 1298

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Posted 13 June 2013 - 04:12 AM

Take a look at the ARB_draw_buffer_blend extension ,should although be part of ogl4 .

 

thanks, so should I do glBlendFunci( 1, ... ) if I want to set blending for the second render target only?



#4 Yours3!f   Members   -  Reputation: 1298

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Posted 13 June 2013 - 05:13 AM

okay I couldn't wait, so I tried it :) that is how you use it. Thank you again Ashaman73!






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