[Webkit-unassigned] [Bug 261102] New: [TextureMapper] Use linear sampling when blurring for better performance

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=261102

            Bug ID: 261102
           Summary: [TextureMapper] Use linear sampling when blurring for
                    better performance
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aki.develop8128 at gmail.com

This is a sub issue of https://bugs.webkit.org/show_bug.cgi?id=231653

Depending issue Bug261101 may add additional passes for better blurring.
To reduce the increasing gpu load, this issue speeds up the blurring process using linear sampling when applying gaussian kernel.

ref: https://www.rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/

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