1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef ANDROID_DRM_PLANE_H_ 18 #define ANDROID_DRM_PLANE_H_ 19 20 #include <xf86drmMode.h> 21 22 #include <cstdint> 23 #include <vector> 24 25 #include "DrmCrtc.h" 26 #include "DrmProperty.h" 27 #include "drmhwcomposer.h" 28 29 namespace android { 30 31 class DrmDevice; 32 struct DrmHwcLayer; 33 34 class DrmPlane : public PipelineBindable<DrmPlane> { 35 public: 36 DrmPlane(const DrmPlane &) = delete; 37 DrmPlane &operator=(const DrmPlane &) = delete; 38 39 static auto CreateInstance(DrmDevice &dev, uint32_t plane_id) 40 -> std::unique_ptr<DrmPlane>; 41 42 bool IsCrtcSupported(const DrmCrtc &crtc) const; 43 bool IsValidForLayer(DrmHwcLayer *layer); 44 GetType()45 auto GetType() const { 46 return type_; 47 } 48 49 bool IsFormatSupported(uint32_t format) const; 50 bool HasNonRgbFormat() const; 51 52 auto AtomicSetState(drmModeAtomicReq &pset, DrmHwcLayer &layer, uint32_t zpos, 53 uint32_t crtc_id) -> int; 54 auto AtomicDisablePlane(drmModeAtomicReq &pset) -> int; GetZPosProperty()55 auto &GetZPosProperty() const { 56 return zpos_property_; 57 } 58 GetId()59 auto GetId() const { 60 return plane_->plane_id; 61 } 62 63 private: DrmPlane(DrmDevice & dev,DrmModePlaneUnique plane)64 DrmPlane(DrmDevice &dev, DrmModePlaneUnique plane) 65 : drm_(&dev), plane_(std::move(plane)){}; 66 DrmDevice *const drm_; 67 DrmModePlaneUnique plane_; 68 69 enum class Presence { kOptional, kMandatory }; 70 71 auto Init() -> int; 72 auto GetPlaneProperty(const char *prop_name, DrmProperty &property, 73 Presence presence = Presence::kMandatory) -> bool; 74 75 uint32_t type_{}; 76 77 std::vector<uint32_t> formats_; 78 79 DrmProperty crtc_property_; 80 DrmProperty fb_property_; 81 DrmProperty crtc_x_property_; 82 DrmProperty crtc_y_property_; 83 DrmProperty crtc_w_property_; 84 DrmProperty crtc_h_property_; 85 DrmProperty src_x_property_; 86 DrmProperty src_y_property_; 87 DrmProperty src_w_property_; 88 DrmProperty src_h_property_; 89 DrmProperty zpos_property_; 90 DrmProperty rotation_property_; 91 DrmProperty alpha_property_; 92 DrmProperty blend_property_; 93 DrmProperty in_fence_fd_property_; 94 DrmProperty color_encoding_propery_; 95 DrmProperty color_range_property_; 96 97 std::map<DrmHwcBlending, uint64_t> blending_enum_map_; 98 std::map<DrmHwcColorSpace, uint64_t> color_encoding_enum_map_; 99 std::map<DrmHwcSampleRange, uint64_t> color_range_enum_map_; 100 std::map<DrmHwcTransform, uint64_t> transform_enum_map_; 101 }; 102 } // namespace android 103 104 #endif // ANDROID_DRM_PLANE_H_ 105