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Here are two approaches that I've used before: The approach I prefer is to create an indirection map: Render the UV coordinates themselves to a texture Iterate the raw pixels of the 3D view which need to be updated. Splat into the model texture for each UV pixel The other approach I've had success with is un-projecting and raytracing Invert your ...


If the only difference between the quads is their physical size in window coordinates ("one is bigger than the other on-screen"), and all other things (shader, textures, et cetera) are equal, then the only significant difference in the pipeline will be that the rasterizer must fill more fragments for the quad that is larger on-screen. This means that if the ...

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