8a74f7c0b0
Currently when a strip has a transform that does not fill the whole render area, first the image of the strip is transformed, and then any modifiers are applied on that. This is mostly in the new Compositor modifier, where procedural textures, gradients, image coordinates "stick to the screen" instead of following the transformed strip. This changes the behavior so that first the modifiers are applied to the strip image, and then the strip is transformed. This is potentially a visually breaking change: - This can alter visual look of existing strip, especially if they are scaled. Previous behavior was first scale filtering, then modifier; now it is first modifier, then scale filtering. - Most obvious change is Compositor modifier (which is new in 5.0). - Compositor modifier can actually expand the input image (e.g. Blur node with "expand bounds" option set), and that works. - Note that Masks continue to be applied in global/screen space. There can be small look differences with rotated/scaled strips that use masks, due to Mask application now needing to do filtered mask image lookups. - If anyone needs previous behavior (modifier is applied on the "whole screen"), they can put transformed strip into a meta strip, and apply the modifier on the meta strip itself. Compositor modifier examples with images in the PR. Pull Request: https://projects.blender.org/blender/blender/pulls/146181
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