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NVidia New Driver: 302.17

NVidia has released a new branch of it's Linux NVidia driver 302.17. This version brings a horde of new features and bug fixes compared to the 295.59 which was introduced few days ago.

Here's the highlights:
  • Made nvidiaXineramaInfoOrder consistent with the RRSetOutputPrimary and RRGetOutputPrimary RandR requests: changes to either nvidiaXineramaInfoOrder or RandR OutputPrimary will be reflected in the other.
  • Fixed an interaction problem between RandR 1.2, ConstrainCursor, and panning that prevented panning from working properly.
  • Fixed a bug that caused RandR RRNotify_CrtcChange events to not be generated when switching between MetaModes with the same total size but different layout of display devices. This bug caused some window managers to not update their layouts in response to switching same-sized MetaModes.
  • Added support for desktop panning when rotation, reflection, or transformation is applied to a display device (either through RandR or through the MetaMode syntax); panning would previously be ignored in that case.
  • Added an "EDID" property to RandR 1.2 outputs. This property contains the binary contents of the connected monitor's extended display identification data, which allows applications such as the GNOME display properties dialog to query information about it.
  • Fixed a bug that caused audio over HDMI to not work on some GPUs after querying the RandR configuration (e.g., `xrandr -q`).
  • Added the "nvidiaXineramaInfo" X configuration option to report the layout of multiple display devices within an X screen. This is enabled by default. When disabled on X servers with RandR 1.2 support, the NVIDIA X driver will report one screen-sized region. When disabled on X servers without RandR 1.2 support, no Xinerama information will be reported. For backwards compatibility, the "NoTwinViewXineramaInfo" option disables nvidiaXineramaInfo.
  • Added the "nvidiaXineramaInfoOrder" X configuration option as a replacement for "TwinViewXineramaInfoOrder". For backwards compatibility, "TwinViewXineramaInfoOrder" is kept as a synonym for "nvidiaXineramaInfoOrder".
  • Added the "nvidiaXineramaInfoOverride" X configuration option as a replacement for "TwinViewXineramaInfoOverride". For backwards compatibility, "TwinViewXineramaInfoOverride" is kept as a synonym for "nvidiaXineramaInfoOverride".
  • Fixed a bug that prevented the use of some SLI Mosaic topologies.
  • Added the "MetaModeOrientation" X configuration option as a replacement for "TwinViewOrientation". "TwinViewOrientation" is kept as a synonym for "MetaModeOrientation", for backwards compatibility.
  • Added support for calculating the physical size and DPI of each RandR 1.2 Output using the EDID Detailed Timing Description.
  • Fixed a bug that prevented a workaround for the invalid EDID in certain AUO laptop flat panels from being applied, leading to an 800x600 desktop repeated several times across the screen.
  • Fixed a bug that caused the link configuration of DisplayPort devices to be reported incorrectly in nvidia-settings.
  • Fixed a bug that caused OpenGL programs to leak file descriptors when calling exec() on themselves.
  • Fixed rendering corruption at the start of new X server generation.
  • Added X driver support for RandR 1.2 and RandR 1.3. See "Support for the X Resize and Rotate Extension" in the README for details.
  • Extended the MetaMode X configuration option syntax with the following new attributes:
    • "Rotation" : specifies the display device's rotation
      "Reflection" : specifies the display device's reflection
      "Transform" : specifies a 3x3 transformation matrix to be
      applied to the display device
      "ViewPortOut" : specifies the region of the mode in which to
      display pixels
      "ViewPortIn" : specifies the size of the region in the X screen
      to display in the ViewPortOutFor example, "DFP-0: nvidia-auto-select { Rotation=left }".
      See "Configuring Multiple Display Devices on One X Screen" in the
      README for details.
  • Removed the "TwinView" X configuration option; the functionality it provided is now enabled by default. Previously, the NVIDIA X driver only enabled one display device for an X screen unless "TwinView" was enabled. Now, the NVIDIA X driver enables, by default, as many display devices as the GPU supports driving simultaneously. To limit how many display devices are driven by an X screen, use the "UseDisplayDevice" X configuration option.
  • Added a "CurrentMetaMode" attribute to the nvidia-settings command line, to query and set the current MetaMode.
    • As an example, these two commands are equivalent:
      xrandr --output DVI-I-2 --mode 1280x1024 --pos 0x0 --output DVI-I-3 --mode 1920x1200 --pos 1280x0
      nvidia-settings --assign CurrentMetaMode= "DVI-I-2: 1280x1024 +0+0, DVI-I-3: 1920x1200 +1280+0"
  • Removed overscan compensation configurability from NV-CONTROL and nvidia-settings. This can be configured, with finer granularity, through the ViewPortIn and ViewPortOut MetaMode attributes.See "Configuring Multiple Display Devices on One X Screen" in the README for details.
  • Altered mode validation such that for digital display devices the X driver only allows, by default, modes which are reported in the EDID. Previously, the NVIDIA X driver allowed other modes, but implicitly scaled those other modes to one of the EDID modes. Now, only the modes in the EDID are validated and the X driver does not do any implicit scaling. Any desired scaling can be configured explicitly through the new "ViewPortIn" and "ViewPortOut" MetaMode attributes. See "Configuring Multiple Display Devices on One X Screen" in the README for details.
  • Removed Flat Panel Scaling configurability in nvidia-settings. Any desired scaling can be configured through the new "ViewPortIn" and "ViewPortOut" MetaMode attributes.
  • Hotplug events (specifically, the RRNotify_OutputChange RandR event) are now generated when display devices are connected and disconnected from the GPU. Many desktop environments automatically
    resize the X desktop in response to these events.
  • Added display device name aliases, such that X configuration options that use display device names can refer to a display device by one of several names, including the RandR Output name for the display device. The X log reports the list of aliases for each display device.
  • Updated EDID parsing to include more complete support for EDID 1.4 and more recent versions of CEA-861.
  • Removed the "Rotate" X configuration option. This was used to statically rotate the X screen. Its functionality is replaced by the "Rotation" MetaMode attribute and RandR 1.2 rotation support. See the README for details.
  • Removed the "RandRRotation" X configuration option. This enabled configurability of X screen rotation via RandR 1.1. Its functionality is replaced by the "Rotation" MetaMode attribute and RandR 1.2 rotation support. See the README for details.
  • Removed support for the following NV-CONTROL attributes:
  • Improved rendering performance for RENDER bitmap text.
  • Enabled the OpenGL "Sync to VBlank" option by default.
  • Added a new option, --restore-original-backup, to nvidia-xconfig. nvidia-xconfig creates a backup of the original X configuration file when modifying an X configuration file that does not appear
    to have been previously modified by nvidia-xconfig. This option restores a backup of the original X configuration file, if such a backup is found.
  • Expose the following additional FSAA modes via NV-CONTROL, nvidia-settings, and through X visuals and GLXFBConfigs:
    • 16X multisample FSAA on all GeForce GPUs
      Coverage sample FSAA on G80 and above GeForce GPUs
      32X multisample FSAA on G80 and above Quadro GPUs
      64X multisample FSAA on Fermi and above Quadro GPUs
  • Enabled conformant texture clamping by default in OpenGL.
  • Removed support for the GVO Clone mode NV-CONTROL attributes:
  • Added a new, higher resolution icon for nvidia-settings.
  • Updated the NVIDIA X driver's handling of X configuration options that affect an entire GPU, not just a particular X screen running on a GPU (e.g., "NoPowerConnectorCheck"): for such X configuration options, the X driver will now honor the option on any of the X screens configured on the GPU. Prior to this change, the NVIDIA X driver only honored such options on the first X screen configured on a GPU.
  • Added a checkbox to nvidia-settings to control the texture clamping attribute. When the box is checked, OpenGL textures are clamped according to the OpenGL specification. When it is unchecked, GL_CLAMP is remapped to GL_CLAMP_TO_EDGE for borderless 2D textures.
  • Removed the "Display" and "X Screen" tabs from the "X Server Display Configuration Page" of nvidia-settings, and added a new "Selection" dropdown menu for selecting X screens or display devices. This makes it easier to select X screens/Displays that are hidden.

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