drm_hwcomposer: cache the framebuffers given to the GLWorker

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

diff --git a/drmcomposition.h b/drmcomposition.h
index 5c47fbf..ee2e258 100644 (file)
--- a/drmcomposition.h
+++ b/drmcomposition.h
@@ -17,8 +17,8 @@
 #ifndef ANDROID_DRM_COMPOSITION_H_
 #define ANDROID_DRM_COMPOSITION_H_
 
-#include "compositor.h"
 #include "drm_hwcomposer.h"
+#include "drmdisplaycomposition.h"
 #include "drmplane.h"
 #include "importer.h"
 
@@ -31,45 +31,41 @@
 
 namespace android {
 
-typedef struct DrmCompositionLayer {
-  DrmCompositionLayer();
-  ~DrmCompositionLayer();
-
-  hwc_layer_1_t layer;
-  hwc_drm_bo_t bo;
-  DrmCrtc *crtc;
-  DrmPlane *plane;
-} DrmCompositionLayer_t;
-
-typedef std::multimap<int, DrmCompositionLayer> DrmCompositionLayerMap_t;
-typedef std::pair<int, DrmCompositionLayer> DrmCompositionLayerPair_t;
+struct DrmCompositionDisplayLayersMap {
+  int display;
+  size_t num_layers;
+  hwc_layer_1_t *layers;
+  size_t *layer_indices;
+};
 
-class DrmComposition : public Composition {
+class DrmComposition {
  public:
-  DrmComposition(DrmResources *drm, Importer *importer, uint64_t frame_no);
-  ~DrmComposition();
-
-  virtual int Init();
+  DrmComposition(DrmResources *drm, Importer *importer);
 
-  virtual unsigned GetRemainingLayers(int display, unsigned num_needed) const;
-  virtual int AddLayer(int display, hwc_layer_1_t *layer, hwc_drm_bo_t *bo);
+  int Init();
 
-  int FinishComposition();
+  int SetLayers(size_t num_displays,
+                const DrmCompositionDisplayLayersMap *maps);
+  int SetDpmsMode(int display, uint32_t dpms_mode);
 
-  DrmCompositionLayerMap_t *GetCompositionMap();
+  std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display);
+  DrmDisplayComposition *GetDisplayComposition(int display);
+  int DisableUnusedPlanes();
 
  private:
+  DrmComposition(const DrmComposition &) = delete;
+
   DrmResources *drm_;
   Importer *importer_;
 
-  uint64_t frame_no_;
-
-  int timeline_fd_;
-  int timeline_;
-
   std::vector<DrmPlane *> primary_planes_;
-  std::deque<DrmPlane *> overlay_planes_;
-  DrmCompositionLayerMap_t composition_map_;
+  std::vector<DrmPlane *> overlay_planes_;
+
+  /*
+   * This _must_ be read-only after it's passed to QueueComposition. Otherwise
+   * locking is required to maintain consistency across the compositor threads.
+   */
+  std::map<int, std::unique_ptr<DrmDisplayComposition>> composition_map_;
 };
 }