1 /* 2 * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. 3 * Not a Contribution. 4 * 5 * Copyright 2015 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 #ifndef __HWC_LAYERS_H__ 21 #define __HWC_LAYERS_H__ 22 23 /* This class translates HWC2 Layer functions to the SDM LayerStack 24 */ 25 26 #include <gralloc_priv.h> 27 #include <qdMetaData.h> 28 #include <core/layer_stack.h> 29 #define HWC2_INCLUDE_STRINGIFICATION 30 #define HWC2_USE_CPP11 31 #include <hardware/hwcomposer2.h> 32 #undef HWC2_INCLUDE_STRINGIFICATION 33 #undef HWC2_USE_CPP11 34 #include <android/hardware/graphics/common/1.1/types.h> 35 #include <android/hardware/graphics/composer/2.2/IComposerClient.h> 36 #include <deque> 37 #include <map> 38 #include <set> 39 #include "core/buffer_allocator.h" 40 #include "hwc_buffer_allocator.h" 41 42 using android::hardware::graphics::common::V1_1::ColorMode; 43 using PerFrameMetadataKey = 44 android::hardware::graphics::composer::V2_2::IComposerClient::PerFrameMetadataKey; 45 46 namespace sdm { 47 48 DisplayError SetCSC(const private_handle_t *pvt_handle, ColorMetaData *color_metadata); 49 bool GetColorPrimary(const int32_t &dataspace, ColorPrimaries *color_primary); 50 bool GetTransfer(const int32_t &dataspace, GammaTransfer *gamma_transfer); 51 void GetRange(const int32_t &dataspace, ColorRange *color_range); 52 bool GetSDMColorSpace(const int32_t &dataspace, ColorMetaData *color_metadata); 53 bool IsBT2020(const ColorPrimaries &color_primary); 54 int32_t GetDataspace(ColorMode mode); 55 56 enum GeometryChanges { 57 kNone = 0x000, 58 kBlendMode = 0x001, 59 kDataspace = 0x002, 60 kDisplayFrame = 0x004, 61 kPlaneAlpha = 0x008, 62 kSourceCrop = 0x010, 63 kTransform = 0x020, 64 kZOrder = 0x040, 65 kAdded = 0x080, 66 kRemoved = 0x100, 67 kBufferGeometry = 0x200, 68 }; 69 70 class HWCLayer { 71 public: 72 explicit HWCLayer(hwc2_display_t display_id, HWCBufferAllocator *buf_allocator); 73 ~HWCLayer(); GetZ()74 uint32_t GetZ() const { return z_; } GetId()75 hwc2_layer_t GetId() const { return id_; } GetSDMLayer()76 Layer *GetSDMLayer() { return layer_; } 77 void ResetPerFrameData(); 78 79 HWC2::Error SetLayerBlendMode(HWC2::BlendMode mode); 80 HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence); 81 HWC2::Error SetLayerColor(hwc_color_t color); 82 HWC2::Error SetLayerCompositionType(HWC2::Composition type); 83 HWC2::Error SetLayerDataspace(int32_t dataspace); 84 HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame); 85 HWC2::Error SetCursorPosition(int32_t x, int32_t y); 86 HWC2::Error SetLayerPlaneAlpha(float alpha); 87 HWC2::Error SetLayerSourceCrop(hwc_frect_t crop); 88 HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage); 89 HWC2::Error SetLayerTransform(HWC2::Transform transform); 90 HWC2::Error SetLayerVisibleRegion(hwc_region_t visible); 91 HWC2::Error SetLayerPerFrameMetadata(uint32_t num_elements, const PerFrameMetadataKey *keys, 92 const float *metadata); 93 HWC2::Error SetLayerZOrder(uint32_t z); 94 void SetComposition(const LayerComposition &sdm_composition); GetClientRequestedCompositionType()95 HWC2::Composition GetClientRequestedCompositionType() { return client_requested_; } UpdateClientCompositionType(HWC2::Composition type)96 void UpdateClientCompositionType(HWC2::Composition type) { client_requested_ = type; } GetDeviceSelectedCompositionType()97 HWC2::Composition GetDeviceSelectedCompositionType() { return device_selected_; } GetLayerDataspace()98 int32_t GetLayerDataspace() { return dataspace_; } GetGeometryChanges()99 uint32_t GetGeometryChanges() { return geometry_changes_; } ResetGeometryChanges()100 void ResetGeometryChanges() { geometry_changes_ = GeometryChanges::kNone; } 101 void PushBackReleaseFence(int32_t fence); 102 int32_t PopBackReleaseFence(void); 103 int32_t PopFrontReleaseFence(void); 104 bool ValidateAndSetCSC(); 105 bool SupportLocalConversion(ColorPrimaries working_primaries); ResetValidation()106 void ResetValidation() { needs_validate_ = false; } NeedsValidation()107 bool NeedsValidation() { return (needs_validate_ || geometry_changes_); } IsSingleBuffered()108 bool IsSingleBuffered() { return single_buffer_; } 109 bool IsScalingPresent(); 110 bool IsRotationPresent(); IsSurfaceUpdated()111 bool IsSurfaceUpdated() { return surface_updated_; } IsNonIntegralSourceCrop()112 bool IsNonIntegralSourceCrop() { return non_integral_source_crop_; } HasMetaDataRefreshRate()113 bool HasMetaDataRefreshRate() { return has_metadata_refresh_rate_; } SetPartialUpdate(bool enabled)114 void SetPartialUpdate(bool enabled) { partial_update_enabled_ = enabled; } 115 116 private: 117 Layer *layer_ = nullptr; 118 uint32_t z_ = 0; 119 const hwc2_layer_t id_; 120 const hwc2_display_t display_id_; 121 static std::atomic<hwc2_layer_t> next_id_; 122 std::deque<int32_t> release_fences_; 123 HWCBufferAllocator *buffer_allocator_ = NULL; 124 int32_t dataspace_ = HAL_DATASPACE_UNKNOWN; 125 LayerTransform layer_transform_ = {}; 126 LayerRect dst_rect_ = {}; 127 bool needs_validate_ = true; 128 bool single_buffer_ = false; 129 int buffer_fd_ = -1; 130 bool non_integral_source_crop_ = false; 131 bool has_metadata_refresh_rate_ = false; 132 bool partial_update_enabled_ = false; 133 bool surface_updated_ = true; 134 135 // Composition requested by client(SF) 136 HWC2::Composition client_requested_ = HWC2::Composition::Device; 137 // Composition selected by SDM 138 HWC2::Composition device_selected_ = HWC2::Composition::Device; 139 uint32_t geometry_changes_ = GeometryChanges::kNone; 140 141 void SetRect(const hwc_rect_t &source, LayerRect *target); 142 void SetRect(const hwc_frect_t &source, LayerRect *target); 143 uint32_t GetUint32Color(const hwc_color_t &source); 144 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); 145 LayerBufferS3DFormat GetS3DFormat(uint32_t s3d_format); 146 void GetUBWCStatsFromMetaData(UBWCStats *cr_stats, UbwcCrStatsVector *cr_vec); 147 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 148 DisplayError SetIGC(IGC_t source, LayerIGC *target); 149 uint32_t RoundToStandardFPS(float fps); 150 void SetDirtyRegions(hwc_region_t surface_damage); 151 }; 152 153 struct SortLayersByZ { operatorSortLayersByZ154 bool operator()(const HWCLayer *lhs, const HWCLayer *rhs) const { 155 return lhs->GetZ() < rhs->GetZ(); 156 } 157 }; 158 159 } // namespace sdm 160 #endif // __HWC_LAYERS_H__ 161