[cairo-bugs] [Bug 41482] New: an alternative approach for faster rendering using GL/GLES with None AA or default AA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41482

           Summary: an alternative approach for faster rendering using
                    GL/GLES with None AA or default AA
           Product: cairo
           Version: 1.10.3
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: gl backend
        AssignedTo: cairo-bugs at cairographics.org
        ReportedBy: hsong at sisa.samsung.com
         QAContact: cairo-bugs at cairographics.org


Created an attachment (id=52014)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52014)
first patch of GL/GLES backend alternative approach for solid color fill

We are starting submit patches that implement an alternative approach of faster
rendering for GL/GLES backend.  Our intention is to make GL/GLES backend faster
with AA hint is either CAIRO_ANTIALIAS_NONE or CAIRO_ANTIALIAS_DEFAULT when GPU
supports MSAA.  Our approach would co-exist with existing GL/GLES backend such
that when AA hints require higher AA quality (i.e., CAIRO_ANTIALIAS_SUBPIXEL),
the control flow would go with existing GL/GLES, while other AA hints would go
our alternative approach.  

We are submitting first two patches.  The first two patch includes fill()
operations with constant color

Community review and comments are very welcome and appreciated.

Henry

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