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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_DRM_COMPOSITION_H_
+#define ANDROID_DRM_COMPOSITION_H_
+
+#include "drmhwcomposer.h"
+#include "drmdisplaycomposition.h"
+#include "drmplane.h"
+#include "platform.h"
+
+#include <map>
+#include <vector>
+
+#include <hardware/hardware.h>
+#include <hardware/hwcomposer.h>
+
+namespace android {
+
+class DrmDisplayCompositor;
+
+struct DrmCompositionDisplayLayersMap {
+ int display;
+ bool geometry_changed = true;
+ std::vector<DrmHwcLayer> layers;
+
+ DrmCompositionDisplayLayersMap() = default;
+ DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) =
+ default;
+};
+
+struct DrmCompositionDisplayPlane {
+ int display;
+ std::vector<DrmCompositionPlane> composition_planes;
+
+ DrmCompositionDisplayPlane() = default;
+ DrmCompositionDisplayPlane(DrmCompositionDisplayPlane &&rhs) =
+ default;
+};
+
+class DrmComposition {
+ public:
+ DrmComposition(DrmResources *drm, Importer *importer, Planner *planner);
+
+ int Init(uint64_t frame_no);
+
+ int SetLayers(size_t num_displays, DrmCompositionDisplayLayersMap *maps);
+ int SetMode3D(int display, Mode3D mode);
+ int SetDpmsMode(int display, uint32_t dpms_mode);
+ int SetDisplayMode(int display, const DrmMode &display_mode);
+ int SetCompPlanes(int display, std::vector<DrmCompositionPlane>& composition_planes);
+
+ std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display);
+ DrmDisplayComposition *GetDisplayComposition(int display);
+
+ int Plan(std::map<int, DrmDisplayCompositor> &compositor_map);
+ int DisableUnusedPlanes();
+
+ private:
+ DrmComposition(const DrmComposition &) = delete;
+
+ DrmResources *drm_;
+ Importer *importer_;
+ Planner *planner_;
+
+ std::vector<DrmPlane *> primary_planes_;
+ std::vector<DrmPlane *> overlay_planes_;
+ std::vector<DrmCompositionDisplayPlane> comp_plane_group;
+
+ /*
+ * 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_;
+};
+}
+
+#endif // ANDROID_DRM_COMPOSITION_H_