Edgar Geier cb0db07c5b Fix dependency of shadow mapping on the optional PrepassPlugin (#7878) ... # Objective Unfortunately, there are three issues with my changes introduced by #7784. 1. The changes left some dead code. This is already taken care of here: #7875. 2. Disabling prepass causes failures because the shadow mapping relies on the `PrepassPlugin` now. 3. Custom materials use the `prepass.wgsl` shader, but this does not always define a fragment entry point. This PR fixes 2. and 3. and resolves #7879. ## Solution - Add a regression test with disabled prepass. - Split `PrepassPlugin` into two plugins: - `PrepassPipelinePlugin` contains the part that is required for the shadow mapping to work and is unconditionally added. - `PrepassPlugin` now only adds the systems and resources required for the "real" prepasses. - Add a noop fragment entry point to `prepass.wgsl`, used if `NORMAL_PASS` is not defined. Co-authored-by: Edgar Geier <geieredgar@gmail.com>		2023-03-03 15:08:54 +00:00
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no_prepass.rs	Fix dependency of shadow mapping on the optional PrepassPlugin (#7878)	2023-03-03 15:08:54 +00:00