Bug 85086

Summary: [CSS Shaders] Improve performance of CSS Shaders rendering
Product: WebKit Reporter: Alexandru Chiculita <achicu>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Normal CC: acucu, jnetterfield, krit, michelangelo, noam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 82655, 85013, 88427, 88429, 93623, 96579, 96692    
Bug Blocks:    

Description Alexandru Chiculita 2012-04-27 11:42:11 PDT 
This is a master bug for performance improvements on CSS shaders. Currently, the implementation is very slow for two reasons:
1. Each time the style changes a new GraphicsContext3D is allocated (and textures, shaders etc.)
2. The shader is not using the accelerated composition and moves pixels from CPU to GPU.

For that reason animations are not smooth and tolerance values used in animation tests are very large.