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Re: [Public WebGL] WEBGL_multiview discussion



The extension adds the following:
There are some issues with that extension:
  1. The enums BACK_LEFT and BACK_RIGHT are added to the WebGLRenderingContextBase instead of the extension objects IDL
  2. the function drawBuffer which does not exist in WebGL is added to the WebGLRenderingContextBase instead of the extension objects IDL
  3. The relationship between WebGL2 gl.drawBuffers and this extensions drawBuffer is unclear
  4. The layout qualifier is not WebGL1 compatible, and the extension does not define WebGL1 usable gl_NumViews constant or the like
  5. The extension does not contain a differentiation between WebGL1 and WebGL2, but those need to be 2 specifications, so either there's two extensions needed, or this extension needs to define differing functionality in different sections for both WebGL1 and WebGL2
  6. The examples section is insufficient, examples should be added for context creation and back buffer use, framebuffer object use and selection of traditional or stereo view rendering.
  7. Since this extension is meant to interact with the WebVR specification, and the WebVR specification so far requires the application to render to the back buffer in split-view, the interaction with WebVR is unclear and should be clarified