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cursor-renderer-native: Set cursor hotspot metadata on plane assignment

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This triggers the paths in the legacy KMS backend to use
drmModeSetCursor2(), making virtual machines using "seamless mouse mode"
behave correctly again.

Fixes: https://gitlab.gnome.org/GNOME/mutter/issues/1094

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1136
This commit is contained in:
Jonas Ådahl 2020-03-19 09:06:09 +01:00 committed by Carlos Garnacho
parent 55cf1c1496
commit a68e6972a2
1 changed files with 42 additions and 7 deletions
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49
src/backends/native/meta-cursor-renderer-native.c
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@ -223,6 +223,31 @@ set_pending_cursor_sprite_gbm_bo (MetaCursorSprite *cursor_sprite,
cursor_gpu_state->pending_bo_state = META_CURSOR_GBM_BO_STATE_SET;
}
static void
calculate_crtc_cursor_hotspot (MetaCursorSprite *cursor_sprite,
int *cursor_hotspot_x,
int *cursor_hotspot_y)
{
MetaCursorNativePrivate *cursor_priv = get_cursor_priv (cursor_sprite);
int hot_x, hot_y;
int width, height;
float scale;
MetaMonitorTransform transform;
scale = cursor_priv->preprocess_state.current_relative_scale;
transform = cursor_priv->preprocess_state.current_relative_transform;
meta_cursor_sprite_get_hotspot (cursor_sprite, &hot_x, &hot_y);
width = meta_cursor_sprite_get_width (cursor_sprite);
height = meta_cursor_sprite_get_height (cursor_sprite);
meta_monitor_transform_transform_point (transform,
width, height,
hot_x, hot_y,
&hot_x, &hot_y);
*cursor_hotspot_x = (int) roundf (hot_x * scale);
*cursor_hotspot_y = (int) roundf (hot_y * scale);
}
static void
set_crtc_cursor (MetaCursorRendererNative *native,
MetaKmsUpdate *kms_update,
@ -248,6 +273,9 @@ set_crtc_cursor (MetaCursorRendererNative *native,
MetaFixed16Rectangle src_rect;
MetaFixed16Rectangle dst_rect;
MetaKmsAssignPlaneFlag flags;
int cursor_hotspot_x;
int cursor_hotspot_y;
MetaKmsPlaneAssignment *plane_assignment;
if (cursor_gpu_state->pending_bo_state == META_CURSOR_GBM_BO_STATE_SET)
bo = get_pending_cursor_sprite_gbm_bo (cursor_gpu_state);
@ -280,13 +308,20 @@ set_crtc_cursor (MetaCursorRendererNative *native,
if (!priv->hw_state_invalidated && bo == crtc->cursor_renderer_private)
flags |= META_KMS_ASSIGN_PLANE_FLAG_FB_UNCHANGED;
meta_kms_update_assign_plane (kms_update,
kms_crtc,
cursor_plane,
handle.u32,
src_rect,
dst_rect,
flags);
plane_assignment = meta_kms_update_assign_plane (kms_update,
kms_crtc,
cursor_plane,
handle.u32,
src_rect,
dst_rect,
flags);
calculate_crtc_cursor_hotspot (cursor_sprite,
&cursor_hotspot_x,
&cursor_hotspot_y);
meta_kms_plane_assignment_set_cursor_hotspot (plane_assignment,
cursor_hotspot_x,
cursor_hotspot_y);
crtc->cursor_renderer_private = bo;