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# Objective - Bevy now supports an opaque phase for mesh2d, but it's very common for 2d textures to have a transparent alpha channel. ## Solution - Add an alpha mask phase identical to the one in 3d. It will do the alpha masking in the shader before drawing the mesh. - Uses the BinnedRenderPhase - Since it's an opaque draw it also correctly writes to depth ## Testing - Tested the mes2d_alpha_mode example and the bevymark example with alpha mask mode enabled --- ## Showcase  The white logo on the right is rendered with alpha mask enabled. Running the bevymark example I can get 65fps for 120k mesh2d all using alpha mask. ## Notes This is one more step for mesh2d improvements https://github.com/bevyengine/bevy/issues/13265 --------- Co-authored-by: Kristoffer Søholm <k.soeholm@gmail.com> |
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Bevy Core Pipeline
