drm_hwcomposer: Add platform backend for minigbm

[android-x86/external-drm_hwcomposer.git] / drmdisplaycomposition.h

diff --git a/drmdisplaycomposition.h b/drmdisplaycomposition.h
index 13da19d..9183925 100644 (file)
--- a/drmdisplaycomposition.h
+++ b/drmdisplaycomposition.h
@@ -42,6 +42,16 @@ enum DrmCompositionType {
   DRM_COMPOSITION_TYPE_MODESET,
 };
 
+struct DrmCompositionDisplayLayersMap {
+  int display;
+  bool geometry_changed = true;
+  std::vector<DrmHwcLayer> layers;
+
+  DrmCompositionDisplayLayersMap() = default;
+  DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) =
+      default;
+};
+
 struct DrmCompositionRegion {
   DrmHwcRect<int> frame;
   std::vector<size_t> source_layers;
@@ -179,6 +189,14 @@ class DrmDisplayComposition {
     return planner_;
   }
 
+  int take_out_fence() {
+    return out_fence_.Release();
+  }
+
+  void set_out_fence(int out_fence) {
+    out_fence_.Set(out_fence);
+  }
+
   void Dump(std::ostringstream *out) const;
 
  private:
@@ -205,6 +223,7 @@ class DrmDisplayComposition {
   int timeline_current_ = 0;
   int timeline_squash_done_ = 0;
   int timeline_pre_comp_done_ = 0;
+  UniqueFd out_fence_ = -1;
 
   bool geometry_changed_;
   std::vector<DrmHwcLayer> layers_;