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|dest||Destination RenderTexture, or
|mat||Material to use for copying. Material's shader should do some post-processing effect.|
|offsets||Variable number of filtering offsets. Offsets are given in pixels.|
|destDepthSlice||The texture array destination slice to blit to.|
Copies source texture into destination, for multi-tap shader.
This is mostly used for implementing some post-processing effects. For example,
Gaussian or iterative Cone blurring samples source texture at multiple different locations.
dest to be active render texture, sets
_MainTex property on the material, and draws a full-screen quad. Each vertex of the quad
has multiple texture coordinates set up, offset by
BlitMultiTap has the same limitations as Graphics.Blit.
See Also: Graphics.Blit, post-processing effects.
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