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First pass of refactoring, batch improvements and api updates. #78

Merged
merged 1 commit into from Nov 12, 2015
Merged

First pass of refactoring, batch improvements and api updates. #78

merged 1 commit into from Nov 12, 2015

Commits on Nov 12, 2015

  1. First pass of refactoring, batch improvements and api updates. 

    There's still some work to be done, but this contains the majority of the changes.

It's also likely to be a bit slower in some cases, but these should be easy to fix up.

* Introduce a webrender_traits crate to reduce build times (only servo and compositor depend on the webrender crate now).
* Support StackingContexts within Display Lists.
* Proper paint order for iframes.
* Much simpler (and more efficient) parallel batch creation.
* Split code into multiple source files - naming of various structs and files still needs to be tidied up.
* Change AABB tree to store items by draw list.
* Batch creation now builds a maximum of 1 VBO/VAO per AABB tree node.
* Moved internal display items (composite, clear) out of the public interface to an internal enum.
* Split into high level Scene struct and mid-level Frame representation.
* Switched draw lists to be managed by a free list, to reduce hash lookups.
* Support clipping for text elements.
* AABB tree now stores items that cross boundaries in multiple leaf nodes, and never in internal nodes.
    @gw3583
    gw3583 committed Nov 12, 2015
    1eabf0c
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