2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef ANDROID_DRM_DISPLAY_COMPOSITION_H_
18 #define ANDROID_DRM_DISPLAY_COMPOSITION_H_
20 #include "drm_hwcomposer.h"
26 #include <hardware/hardware.h>
27 #include <hardware/hwcomposer.h>
31 enum DrmCompositionType {
32 DRM_COMPOSITION_TYPE_EMPTY,
33 DRM_COMPOSITION_TYPE_FRAME,
34 DRM_COMPOSITION_TYPE_DPMS,
37 typedef struct DrmCompositionLayer {
38 DrmCompositionLayer();
39 ~DrmCompositionLayer();
45 } DrmCompositionLayer_t;
46 typedef std::vector<DrmCompositionLayer_t> DrmCompositionLayerVector_t;
48 class DrmDisplayComposition {
50 DrmDisplayComposition();
51 ~DrmDisplayComposition();
53 int Init(DrmResources *drm, Importer *importer);
55 DrmCompositionType type() const;
57 int AddLayer(hwc_layer_1_t *layer, hwc_drm_bo_t *bo, DrmCrtc *crtc,
59 int AddDpmsMode(uint32_t dpms_mode);
61 int FinishComposition();
63 DrmCompositionLayerVector_t *GetCompositionLayers();
64 uint32_t dpms_mode() const;
67 DrmDisplayComposition(const DrmDisplayComposition &) = delete;
69 bool validate_composition_type(DrmCompositionType desired);
74 DrmCompositionType type_;
79 DrmCompositionLayerVector_t layers_;
84 #endif // ANDROID_DRM_DISPLAY_COMPOSITION_H_