| /* |
| * 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 "glworker.h" |
| #include "platform.h" |
| |
| #include <sstream> |
| #include <vector> |
| |
| #include <hardware/gralloc.h> |
| #include <hardware/hardware.h> |
| #include <hardware/hwcomposer.h> |
| |
| namespace android { |
| |
| class SquashState; |
| |
| enum DrmCompositionType { |
| DRM_COMPOSITION_TYPE_EMPTY, |
| DRM_COMPOSITION_TYPE_FRAME, |
| DRM_COMPOSITION_TYPE_DPMS, |
| DRM_COMPOSITION_TYPE_MODESET, |
| }; |
| |
| struct DrmCompositionRegion { |
| DrmHwcRect<int> frame; |
| std::vector<size_t> source_layers; |
| }; |
| |
| struct DrmCompositionPlane { |
| const static size_t kSourceNone = SIZE_MAX; |
| const static size_t kSourcePreComp = kSourceNone - 1; |
| const static size_t kSourceSquash = kSourcePreComp - 1; |
| const static size_t kSourceLayerMax = kSourceSquash - 1; |
| DrmPlane *plane; |
| DrmCrtc *crtc; |
| size_t source_layer; |
| }; |
| |
| class DrmDisplayComposition { |
| public: |
| DrmDisplayComposition() = default; |
| DrmDisplayComposition(const DrmDisplayComposition &) = delete; |
| ~DrmDisplayComposition(); |
| |
| int Init(DrmResources *drm, DrmCrtc *crtc, Importer *importer, |
| uint64_t frame_no); |
| |
| int SetLayers(DrmHwcLayer *layers, size_t num_layers, bool geometry_changed); |
| int AddPlaneDisable(DrmPlane *plane); |
| int SetDpmsMode(uint32_t dpms_mode); |
| int SetDisplayMode(const DrmMode &display_mode); |
| |
| int Plan(SquashState *squash, std::vector<DrmPlane *> *primary_planes, |
| std::vector<DrmPlane *> *overlay_planes); |
| |
| int CreateNextTimelineFence(); |
| int SignalSquashDone() { |
| return IncreaseTimelineToPoint(timeline_squash_done_); |
| } |
| int SignalPreCompDone() { |
| return IncreaseTimelineToPoint(timeline_pre_comp_done_); |
| } |
| int SignalCompositionDone() { |
| return IncreaseTimelineToPoint(timeline_); |
| } |
| |
| std::vector<DrmHwcLayer> &layers() { |
| return layers_; |
| } |
| |
| std::vector<DrmCompositionRegion> &squash_regions() { |
| return squash_regions_; |
| } |
| |
| std::vector<DrmCompositionRegion> &pre_comp_regions() { |
| return pre_comp_regions_; |
| } |
| |
| 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_; |
| } |
| |
| void Dump(std::ostringstream *out) const; |
| |
| private: |
| bool validate_composition_type(DrmCompositionType desired); |
| |
| int IncreaseTimelineToPoint(int point); |
| |
| void EmplaceCompositionPlane(size_t source_layer, |
| std::vector<DrmPlane *> *primary_planes, |
| std::vector<DrmPlane *> *overlay_planes); |
| int CreateAndAssignReleaseFences(); |
| |
| DrmResources *drm_ = NULL; |
| DrmCrtc *crtc_ = NULL; |
| Importer *importer_ = NULL; |
| |
| DrmCompositionType type_ = DRM_COMPOSITION_TYPE_EMPTY; |
| uint32_t dpms_mode_ = DRM_MODE_DPMS_ON; |
| DrmMode display_mode_; |
| |
| int timeline_fd_ = -1; |
| int timeline_ = 0; |
| int timeline_current_ = 0; |
| int timeline_squash_done_ = 0; |
| int timeline_pre_comp_done_ = 0; |
| |
| bool geometry_changed_; |
| std::vector<DrmHwcLayer> layers_; |
| std::vector<DrmCompositionRegion> squash_regions_; |
| std::vector<DrmCompositionRegion> pre_comp_regions_; |
| std::vector<DrmCompositionPlane> composition_planes_; |
| |
| uint64_t frame_no_ = 0; |
| }; |
| } |
| |
| #endif // ANDROID_DRM_DISPLAY_COMPOSITION_H_ |