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fix(linux): steamdeck pointer orientation #3893

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fix(linux): steamdeck pointer orientation #3893

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1788331
Log the DRM_ROTATION_* found
alanjds May 20, 2025
d0b3a0d
Do not rotate the reported screen on DRM_ROTATE_270
alanjds May 20, 2025
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8 changes: 5 additions & 3 deletions src/platform/linux/kmsgrab.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -412,7 +412,9 @@ namespace platf {
auto props = plane_props(plane_id);
auto value = prop_value_by_name(props, "rotation"sv);
if (value) {
return *value;
BOOST_LOG(info) << "Found panel orientation ["sv << *value << "]";
return DRM_MODE_ROTATE_0;
//return *value;
}

BOOST_LOG(error) << "Failed to determine panel orientation, defaulting to landscape.";
Expand Down Expand Up @@ -695,13 +697,13 @@ namespace platf {

switch (card.get_panel_orientation(plane->plane_id)) {
case DRM_MODE_ROTATE_270:
BOOST_LOG(debug) << "Detected panel orientation at 90, swapping width and height.";
BOOST_LOG(warning) << "Detected panel orientation at 90 (DRM_MODE_ROTATE_270), swapping width and height.";
width = viewport.height;
height = viewport.width;
break;
case DRM_MODE_ROTATE_90:
case DRM_MODE_ROTATE_180:
BOOST_LOG(warning) << "Panel orientation is unsupported, screen capture may not work correctly.";
BOOST_LOG(warning) << "Panel orientation is unsupported (DRM_MODE_ROTATE_{90|180}), screen capture may not work correctly.";
break;
}

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