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Optimisation: fewer draw calls or smaller draws?
Hi im trying to understand how much impact draw calls have?
my personal situation is this: - single mesh - 2 materials (each with separate textures)
= 2 draw calls
Im thinking of trying this: - single mesh - 1 material (shader using uv1 for mat 1 and uv2 for mat2) which i think will pull everything through a single draw call (to be tested)
My question is this, am i saving anything if im just dragging the same textures through a single draw call instead of allowing them to come through separately in a bite size format?
Hope this all makes sense?
Answer by ankush_Kushwaha · Jan 20, 2014 at 12:36 PM
No. You need to make one meterial for one draw call instead of two. You can do it by making ATLAS of textures (combining many texture in one texture).