[Webkit-unassigned] [Bug 48674] New: blendFunc should generate INVALID_OPERATION if constant color and constant alpha are together as source and destination factors

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48674

           Summary: blendFunc should generate INVALID_OPERATION if
                    constant color and constant alpha are together as
                    source and destination factors
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: zmo at google.com
                CC: cmarrin at apple.com, kbr at google.com, enne at google.com


WebGL spec:

6.8 Blending With Constant Color

In the WebGL API, constant color and constant alpha cannot be used together as source and destination factors in the blend function. A call to blendFunc will generate an INVALID_OPERATION error if one of the two factors is set to CONSTANT_COLOR or ONE_MINUS_CONSTANT_COLOR and the other to CONSTANT_ALPHA or ONE_MINUS_CONSTANT_ALPHA. A call to blendFuncSeparate will generate an INVALID_OPERATION error if srcRGB is set to CONSTANT_COLOR or ONE_MINUS_CONSTANT_COLOR and dstRGB is set to CONSTANT_ALPHA or ONE_MINUS_CONSTANT_ALPHA or vice versa.

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