I get GL_INVALID_ENUM when I try to query glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_SAMPLES_EXT, …) even though GL_EXT_multisampled_render_to_texture is reported. I have successfully called glRenderbufferStorageMultisampleEXT(), and the extension seems to work otherwise.
I’ve discussed this issue with the PVRVFrame lead developer. The bug was found and fixed in July. We haven’t yet released an update with the change. If you are keen to have a fixed version of the emulator, we can share a pre-release build from our upcoming 4.0 SDK through our support portal. If you are interested in this please let me know and I’ll upload a suitable package for you.
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