| /* |
| * 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_DISPLAY_COMPOSITION_H_ |
| #define ANDROID_DRM_DISPLAY_COMPOSITION_H_ |
| |
| #include "drmcrtc.h" |
| #include "drmhwcomposer.h" |
| #include "drmplane.h" |
| |
| #include <sstream> |
| #include <vector> |
| |
| #include <hardware/hardware.h> |
| #include <hardware/hwcomposer.h> |
| |
| namespace android { |
| |
| class Importer; |
| class Planner; |
| class SquashState; |
| |
| enum DrmCompositionType { |
| DRM_COMPOSITION_TYPE_EMPTY, |
| DRM_COMPOSITION_TYPE_FRAME, |
| DRM_COMPOSITION_TYPE_DPMS, |
| DRM_COMPOSITION_TYPE_MODESET, |
| }; |
| |
| struct DrmCompositionDisplayLayersMap { |
| int display; |
| bool geometry_changed = true; |
| std::vector<DrmHwcLayer> layers; |
| |
| DrmCompositionDisplayLayersMap() = default; |
| DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) = |
| default; |
| }; |
| |
| struct DrmCompositionRegion { |
| std::vector<size_t> source_layers; |
| }; |
| |
| class DrmCompositionPlane { |
| public: |
| enum class Type : int32_t { |
| kDisable, |
| kLayer, |
| }; |
| |
| DrmCompositionPlane() = default; |
| DrmCompositionPlane(DrmCompositionPlane &&rhs) = default; |
| DrmCompositionPlane &operator=(DrmCompositionPlane &&other) = default; |
| DrmCompositionPlane(Type type, DrmPlane *plane, DrmCrtc *crtc) |
| : type_(type), plane_(plane), crtc_(crtc) { |
| } |
| DrmCompositionPlane(Type type, DrmPlane *plane, DrmCrtc *crtc, |
| size_t source_layer) |
| : type_(type), |
| plane_(plane), |
| crtc_(crtc), |
| source_layers_(1, source_layer) { |
| } |
| |
| Type type() const { |
| return type_; |
| } |
| |
| DrmPlane *plane() const { |
| return plane_; |
| } |
| void set_plane(DrmPlane *plane) { |
| plane_ = plane; |
| } |
| |
| DrmCrtc *crtc() const { |
| return crtc_; |
| } |
| |
| std::vector<size_t> &source_layers() { |
| return source_layers_; |
| } |
| |
| const std::vector<size_t> &source_layers() const { |
| return source_layers_; |
| } |
| |
| private: |
| Type type_ = Type::kDisable; |
| DrmPlane *plane_ = NULL; |
| DrmCrtc *crtc_ = NULL; |
| std::vector<size_t> source_layers_; |
| }; |
| |
| class DrmDisplayComposition { |
| public: |
| DrmDisplayComposition() = default; |
| DrmDisplayComposition(const DrmDisplayComposition &) = delete; |
| ~DrmDisplayComposition(); |
| |
| int Init(DrmDevice *drm, DrmCrtc *crtc, Importer *importer, Planner *planner, |
| uint64_t frame_no); |
| |
| int SetLayers(DrmHwcLayer *layers, size_t num_layers, bool geometry_changed); |
| int AddPlaneComposition(DrmCompositionPlane plane); |
| int AddPlaneDisable(DrmPlane *plane); |
| int SetDpmsMode(uint32_t dpms_mode); |
| int SetDisplayMode(const DrmMode &display_mode); |
| |
| int Plan(std::vector<DrmPlane *> *primary_planes, |
| std::vector<DrmPlane *> *overlay_planes); |
| |
| std::vector<DrmHwcLayer> &layers() { |
| return layers_; |
| } |
| |
| std::vector<DrmCompositionPlane> &composition_planes() { |
| return composition_planes_; |
| } |
| |
| bool geometry_changed() const { |
| return geometry_changed_; |
| } |
| |
| uint64_t frame_no() const { |
| return frame_no_; |
| } |
| |
| DrmCompositionType type() const { |
| return type_; |
| } |
| |
| uint32_t dpms_mode() const { |
| return dpms_mode_; |
| } |
| |
| const DrmMode &display_mode() const { |
| return display_mode_; |
| } |
| |
| DrmCrtc *crtc() const { |
| return crtc_; |
| } |
| |
| Importer *importer() const { |
| return importer_; |
| } |
| |
| Planner *planner() const { |
| 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: |
| bool validate_composition_type(DrmCompositionType desired); |
| |
| DrmDevice *drm_ = NULL; |
| DrmCrtc *crtc_ = NULL; |
| Importer *importer_ = NULL; |
| Planner *planner_ = NULL; |
| |
| DrmCompositionType type_ = DRM_COMPOSITION_TYPE_EMPTY; |
| uint32_t dpms_mode_ = DRM_MODE_DPMS_ON; |
| DrmMode display_mode_; |
| |
| UniqueFd out_fence_ = -1; |
| |
| bool geometry_changed_; |
| std::vector<DrmHwcLayer> layers_; |
| std::vector<DrmCompositionPlane> composition_planes_; |
| |
| uint64_t frame_no_ = 0; |
| }; |
| } // namespace android |
| |
| #endif // ANDROID_DRM_DISPLAY_COMPOSITION_H_ |