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#Actuallomateron

Posted 01 December 2012 - 11:58 AM

Rendering to a texture, just wanting to go through all its texels and change them, is a very common thing to do.
I am doing an application were I need to render 1000 times to the same texture in this way.
I think creating the quad and processing it 1000 times is a big lost of GPU time.
Is there any draw() function that goes directly to pixel shader skipping the vertex shader, because it already knows that i am going through all the texels of the render target?

#1lomateron

Posted 01 December 2012 - 11:53 AM

Rendering to a texture, just wanting to go through all its texels and change them, is a very common thing to do.
I am doing an application were I need to render 1000 times to a texture in this way.
I think creating the quad and processing it 1000 times is a big lost of GPU time.
Is there any draw() function that goes directly to pixel shader skipping the vertex shader, because it already knows that i am going through all the texels of the render target?

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