[Bug 106601] The internal format RGB32F should be color-renderable for texture, But mesa can not support it

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106601

--- Comment #10 from Yunchao He <yunchao.he at intel.com> ---
(In reply to Tapani Pälli from comment #8)
> What comes to conformance, you should refer to latest OpenGL spec (now being
> 4.6). In this case you want to render to RGB32F we should take a look at
> section  "9.2.5 Required Renderbuffer Formats". Since you are using a sized
> format, it means you need to check if driver is required to support this
> from column 'Req. rend" as said in 9.2.5.
> 
> That said, IMO this bug should be considered a feature request (which is
> fine) rather than a missing feature.

Sorry. Maybe the description is not clear. The issue we raised is to render
into a RGB32F format texture, not RGB32F format renderbuffer. 

For the latest OpenGL 4.6 spec, RGB32F internalformat is required by texture,
see Table 8.12 in GL 4.6 spec. So I think it is a missing feature in mesa for
Intel devices.

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