drm_hwcomposer: Rework KMS composition planner + plane sharing support

Rewrite Layer-to-Plane planner. Get rid of ~200 redundant lines of code
+ added plane sharing functionality.

Closes: https://gitlab.freedesktop.org/drm-hwcomposer/drm-hwcomposer/-/issues/11
Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drm/DrmDisplayPipeline.h b/drm/DrmDisplayPipeline.h
index a3e2dd9..f055c85 100644
--- a/drm/DrmDisplayPipeline.h
+++ b/drm/DrmDisplayPipeline.h
@@ -72,13 +72,15 @@ struct DrmDisplayPipeline {
   static auto CreatePipeline(DrmConnector &connector)
       -> std::unique_ptr<DrmDisplayPipeline>;
 
+  auto GetUsablePlanes()
+      -> std::vector<std::shared_ptr<BindingOwner<DrmPlane>>>;
+
   DrmDevice *device;
 
   std::shared_ptr<BindingOwner<DrmConnector>> connector;
   std::shared_ptr<BindingOwner<DrmEncoder>> encoder;
   std::shared_ptr<BindingOwner<DrmCrtc>> crtc;
   std::shared_ptr<BindingOwner<DrmPlane>> primary_plane;
-  std::vector<std::shared_ptr<BindingOwner<DrmPlane>>> overlay_planes;
 
   std::unique_ptr<DrmDisplayCompositor> compositor;
 };