backend/drm: fix hw cursor position on rotated and scaled outputs

output: add wlr_output_transformed_resolution

1 files changed, 8 insertions, 0 deletions

diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index 7e9439af..5b6ba3e7 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -106,6 +106,14 @@ void wlr_output_set_transform(struct wlr_output *output,
 void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly);
 void wlr_output_set_scale(struct wlr_output *output, float scale);
 void wlr_output_destroy(struct wlr_output *output);
+/**
+ * Computes the transformed output resolution.
+ */
+void wlr_output_transformed_resolution(struct wlr_output *output,
+	int *width, int *height);
+/**
+ * Computes the transformed and scaled output resolution.
+ */
 void wlr_output_effective_resolution(struct wlr_output *output,
 	int *width, int *height);
 /**