[Webkit-unassigned] [Bug 216574] New: ANGLE EAGL EGL_ANGLE_iosurface_client_buffer implementation is incorrect for simulator

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216574

            Bug ID: 216574
           Summary: ANGLE EAGL EGL_ANGLE_iosurface_client_buffer
                    implementation is incorrect for simulator
           Product: WebKit
           Version: WebKit Local Build
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: ANGLE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: dino at apple.com

ANGLE EAGL EGL_ANGLE_iosurface_client_buffer implementation is incorrect for simulator

- the buffer unpack state probably should be always set when calling glTexImage2D. Now it's only called if textureData != nullptr
- the unpack buffer should be set to nullptr
- the texture data base address should be obtained based on the plane of the texture 
https://developer.apple.com/documentation/iosurface/1419379-iosurfacegetbaseaddressofplane?language=objc

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