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BackBuffer to texture

Started by treeway Apr 14, 2006 at 12:08 PM 1 reply 550+ views

Original Post

Apr 14, 2006 at 12:08 PM

Hi i want to do a differed shader, so i plan on doing the following: - Draw the scene as normal to the back buffer. - getting the back buffer, put it into in a texture. - Aplly the texture to a sprite. - run a shader to draw the sprite. - clear the backbuffer. does anyone know how i can get the backbuffer into a texture? thanks

S1CA

169

S1CA

Apr 14, 2006 at 1:22 PM

IDirect3DDevice9::GetRenderTarget() then IDirect3DDevice9::StretchRect()

An alternative in your case might be to draw your scene to an offscreen render target texture then use that to draw the sprite(s) so you never need to copy the backbuffer.

ET3D

139

ET3D

Apr 14, 2006 at 4:05 PM

Yeah, render targets are your friends.

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