[Webkit-unassigned] [Bug 141178] New: WebGL 2: Use newer OpenGL/GLES3 when creating WebGL2 context

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141178

            Bug ID: 141178
           Summary: WebGL 2: Use newer OpenGL/GLES3 when creating WebGL2
                    context
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: roger_fong at apple.com

We currently have a way to create a WebGL2 context, but this context still uses the old OpenGL/GLES headers and contexts.
We need it to use the new OpenGL headers (gl3.h?) and the GLES 3.0 resources.

Ideally I would like to simply replace all instances of gl.h with gl3.h and GLES2.0 with GLES3.0 but I’m not sure the newer stuff is fully backwards compatible with the older stuff.

I know that if I have to do this I’ll have to replace calls in WebKit that use various extension calls (like renderbufferStorageMultisampleEXT)

If I cannot do this, I’ll have to create two different GraphicsContexts, one for WebGL2 and one for WebGL1, which would be unfortunate.

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