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Intel's New OpenGL Driver Is Looking Really Great With The Upcoming Mesa 19.2

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  • #11
    What about feature parity? Are there OpenGL extensions supported by the classic driver that do not yet run on the Gallium3D driver? I would like to see the new driver on mesamatrix.net.

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    • #12
      Originally posted by jf33 View Post
      What about feature parity? Are there OpenGL extensions supported by the classic driver that do not yet run on the Gallium3D driver? I would like to see the new driver on mesamatrix.net.
      Here is the list of extensions i965 supports but iris is missing:
      • GL_ARB_gl_spirv & GL_ARB_spirv_extensions
        (newly landed, these will come to iris shortly)
      • GL_MESA_framebuffer_flip_y
        (should be added, nobody working on it AFAIK)
      • GL_3DFX_texture_compression_FXT1
        (neither AMD nor NVIDIA support this format, so while we could add it, I question its value...)
      • GL_APPLE_object_purgeable
      And here is the list of new features on iris (not supported by i965):
      • OpenGL 4.5 compatibility profile
      • GL_AMD_pinned_memory
      • GL_ATI_fragment_shader (for Star Wars: Knights of the Old Republic in wine)
      I haven't added it to features.txt because it's basically the same set.
      Free Software Developer .:. Mesa and Xorg
      Opinions expressed in these forum posts are my own.

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      • #13
        Do you plan to make iris the default now that 19.3 is branched?

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        • #14
          Kayden Thank you for your quick and informative answer!

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          • #15
            Originally posted by Kayden View Post
            And here is the list of new features on iris (not supported by i965):
            good job
            better late than never

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