backends: Add some wiggle room for refresh rate comparisons
We have not enough control over the sources of the refresh rate float variable to make == comparisons reliable, add some room when comparing these. https://bugzilla.gnome.org/show_bug.cgi?id=787668
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@ -32,6 +32,7 @@
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#define MAXIMUM_SCALE_FACTOR 4.0f
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#define MAXIMUM_SCALE_FACTOR 4.0f
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#define MINIMUM_LOGICAL_WIDTH 800
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#define MINIMUM_LOGICAL_WIDTH 800
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#define MINIMUM_LOGICAL_HEIGHT 600
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#define MINIMUM_LOGICAL_HEIGHT 600
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#define MAXIMUM_REFRESH_RATE_DIFF 0.001
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#define HANDLED_CRTC_MODE_FLAGS (META_CRTC_MODE_FLAG_INTERLACE)
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#define HANDLED_CRTC_MODE_FLAGS (META_CRTC_MODE_FLAG_INTERLACE)
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@ -1252,8 +1253,8 @@ meta_monitor_mode_spec_equals (MetaMonitorModeSpec *monitor_mode_spec,
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{
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{
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return (monitor_mode_spec->width == other_monitor_mode_spec->width &&
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return (monitor_mode_spec->width == other_monitor_mode_spec->width &&
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monitor_mode_spec->height == other_monitor_mode_spec->height &&
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monitor_mode_spec->height == other_monitor_mode_spec->height &&
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(monitor_mode_spec->refresh_rate ==
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ABS (monitor_mode_spec->refresh_rate -
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other_monitor_mode_spec->refresh_rate) &&
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other_monitor_mode_spec->refresh_rate) < MAXIMUM_REFRESH_RATE_DIFF &&
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monitor_mode_spec->flags == other_monitor_mode_spec->flags);
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monitor_mode_spec->flags == other_monitor_mode_spec->flags);
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}
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}
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