1/* 2* Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved. 3* 4* Redistribution and use in source and binary forms, with or without modification, are permitted 5* provided that the following conditions are met: 6* * Redistributions of source code must retain the above copyright notice, this list of 7* conditions and the following disclaimer. 8* * Redistributions in binary form must reproduce the above copyright notice, this list of 9* conditions and the following disclaimer in the documentation and/or other materials provided 10* with the distribution. 11* * Neither the name of The Linux Foundation nor the names of its contributors may be used to 12* endorse or promote products derived from this software without specific prior written 13* permission. 14* 15* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 18* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23*/ 24 25#ifndef __HWC_DISPLAY_H__ 26#define __HWC_DISPLAY_H__ 27 28#include <hardware/hwcomposer.h> 29#include <core/core_interface.h> 30#include <qdMetaData.h> 31#include <QService.h> 32#include <private/color_params.h> 33#include <map> 34#include <vector> 35 36namespace sdm { 37 38class BlitEngine; 39 40// Subclasses set this to their type. This has to be different from DisplayType. 41// This is to avoid RTTI and dynamic_cast 42enum DisplayClass { 43 DISPLAY_CLASS_PRIMARY, 44 DISPLAY_CLASS_EXTERNAL, 45 DISPLAY_CLASS_VIRTUAL, 46 DISPLAY_CLASS_NULL 47}; 48 49 50class HWCDisplay : public DisplayEventHandler { 51 public: 52 enum { 53 SET_METADATA_DYN_REFRESH_RATE, 54 SET_BINDER_DYN_REFRESH_RATE, 55 SET_DISPLAY_MODE, 56 SET_QDCM_SOLID_FILL_INFO, 57 UNSET_QDCM_SOLID_FILL_INFO, 58 }; 59 60 virtual ~HWCDisplay() { } 61 virtual int Init(); 62 virtual int Deinit(); 63 virtual int Prepare(hwc_display_contents_1_t *content_list) = 0; 64 virtual int Commit(hwc_display_contents_1_t *content_list) = 0; 65 virtual int EventControl(int event, int enable); 66 virtual int SetPowerMode(int mode); 67 68 // Framebuffer configurations 69 virtual int GetDisplayConfigs(uint32_t *configs, size_t *num_configs); 70 virtual int GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes, 71 int32_t *values); 72 virtual int GetActiveConfig(); 73 virtual int SetActiveConfig(int index); 74 75 virtual void SetIdleTimeoutMs(uint32_t timeout_ms); 76 virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type); 77 virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages); 78 virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) { 79 return kErrorNotSupported; 80 } 81 virtual uint32_t GetLastPowerMode(); 82 virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels); 83 virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels); 84 virtual int SetDisplayStatus(uint32_t display_status); 85 virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level); 86 virtual int Perform(uint32_t operation, ...); 87 virtual int SetCursorPosition(int x, int y); 88 virtual void SetSecureDisplay(bool secure_display_active, bool force_flush); 89 virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height); 90 virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height); 91 virtual void GetPanelResolution(uint32_t *width, uint32_t *height); 92 93 // Captures frame output in the buffer specified by output_buffer_info. The API is 94 // non-blocking and the client is expected to check operation status later on. 95 // Returns -1 if the input is invalid. 96 virtual int FrameCaptureAsync(const BufferInfo& output_buffer_info, bool post_processed) { 97 return -1; 98 } 99 // Returns the status of frame capture operation requested with FrameCaptureAsync(). 100 // -EAGAIN : No status obtain yet, call API again after another frame. 101 // < 0 : Operation happened but failed. 102 // 0 : Success. 103 virtual int GetFrameCaptureStatus() { return -EAGAIN; } 104 105 virtual DisplayError SetDetailEnhancerConfig(const DisplayDetailEnhancerData &de_data) { 106 return kErrorNotSupported; 107 } 108 109 // Display Configurations 110 virtual int SetActiveDisplayConfig(int config); 111 virtual int GetActiveDisplayConfig(uint32_t *config); 112 virtual int GetDisplayConfigCount(uint32_t *count); 113 virtual int GetDisplayAttributesForConfig(int config, 114 DisplayConfigVariableInfo *display_attributes); 115 116 int SetPanelBrightness(int level); 117 int GetPanelBrightness(int *level); 118 int ToggleScreenUpdates(bool enable); 119 int ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload, 120 PPDisplayAPIPayload *out_payload, 121 PPPendingParams *pending_action); 122 int GetVisibleDisplayRect(hwc_rect_t* rect); 123 DisplayClass GetDisplayClass(); 124 int GetDisplayPort(DisplayPort *port); 125 126 protected: 127 enum DisplayStatus { 128 kDisplayStatusOffline = 0, 129 kDisplayStatusOnline, 130 kDisplayStatusPause, 131 kDisplayStatusResume, 132 }; 133 134 // Dim layer flag set by SurfaceFlinger service. 135 static const uint32_t kDimLayer = 0x80000000; 136 137 // Maximum number of layers supported by display manager. 138 static const uint32_t kMaxLayerCount = 32; 139 140 HWCDisplay(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, DisplayType type, int id, 141 bool needs_blit, qService::QService *qservice, DisplayClass display_class); 142 143 // DisplayEventHandler methods 144 virtual DisplayError VSync(const DisplayEventVSync &vsync); 145 virtual DisplayError Refresh(); 146 virtual DisplayError CECMessage(char *message); 147 148 int AllocateLayerStack(hwc_display_contents_1_t *content_list); 149 void FreeLayerStack(); 150 virtual int PrePrepareLayerStack(hwc_display_contents_1_t *content_list); 151 virtual int PrepareLayerStack(hwc_display_contents_1_t *content_list); 152 virtual int CommitLayerStack(hwc_display_contents_1_t *content_list); 153 virtual int PostCommitLayerStack(hwc_display_contents_1_t *content_list); 154 virtual void DumpOutputBuffer(const BufferInfo& buffer_info, void *base, int fence); 155 virtual uint32_t RoundToStandardFPS(float fps); 156 virtual uint32_t SanitizeRefreshRate(uint32_t req_refresh_rate); 157 virtual void PrepareDynamicRefreshRate(Layer *layer); 158 virtual DisplayError DisablePartialUpdateOneFrame() { 159 return kErrorNotSupported; 160 } 161 inline void SetRect(const hwc_rect_t &source, LayerRect *target); 162 inline void SetRect(const hwc_frect_t &source, LayerRect *target); 163 inline void SetComposition(const int32_t &source, LayerComposition *target); 164 inline void SetComposition(const LayerComposition &source, int32_t *target); 165 inline void SetBlending(const int32_t &source, LayerBlending *target); 166 int SetFormat(const int32_t &source, const int flags, LayerBufferFormat *target); 167 void SetLayerS3DMode(const LayerBufferS3DFormat &source, uint32_t *target); 168 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags); 169 const char *GetHALPixelFormatString(int format); 170 const char *GetDisplayString(); 171 void MarkLayersForGPUBypass(hwc_display_contents_1_t *content_list); 172 virtual void ApplyScanAdjustment(hwc_rect_t *display_frame); 173 DisplayError SetCSC(ColorSpace_t source, LayerCSC *target); 174 DisplayError SetIGC(IGC_t source, LayerIGC *target); 175 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer); 176 bool NeedsFrameBufferRefresh(hwc_display_contents_1_t *content_list); 177 bool IsLayerUpdating(hwc_display_contents_1_t *content_list, const Layer *layer); 178 bool IsNonIntegralSourceCrop(const hwc_frect_t &source); 179 uint32_t GetUpdatingLayersCount(uint32_t app_layer_count); 180 bool SingleVideoLayerUpdating(uint32_t app_layer_count); 181 bool IsSurfaceUpdated(const std::vector<LayerRect> &dirty_regions); 182 183 enum { 184 INPUT_LAYER_DUMP, 185 OUTPUT_LAYER_DUMP, 186 }; 187 188 CoreInterface *core_intf_; 189 hwc_procs_t const **hwc_procs_; 190 DisplayType type_; 191 int id_; 192 bool needs_blit_ = false; 193 DisplayInterface *display_intf_ = NULL; 194 LayerStack layer_stack_; 195 bool flush_on_error_ = false; 196 bool flush_ = false; 197 uint32_t dump_frame_count_ = 0; 198 uint32_t dump_frame_index_ = 0; 199 bool dump_input_layers_ = false; 200 uint32_t last_power_mode_; 201 bool swap_interval_zero_ = false; 202 bool display_paused_ = false; 203 uint32_t min_refresh_rate_ = 0; 204 uint32_t max_refresh_rate_ = 0; 205 uint32_t current_refresh_rate_ = 0; 206 bool use_metadata_refresh_rate_ = false; 207 uint32_t metadata_refresh_rate_ = 0; 208 uint32_t force_refresh_rate_ = 0; 209 bool boot_animation_completed_ = false; 210 bool shutdown_pending_ = false; 211 bool use_blit_comp_ = false; 212 bool secure_display_active_ = false; 213 uint32_t skip_prepare_cnt = 0; 214 bool solid_fill_enable_ = false; 215 bool disable_animation_ = false; 216 uint32_t solid_fill_color_ = 0; 217 LayerRect display_rect_; 218 std::map<int, LayerBufferS3DFormat> s3d_format_hwc_to_sdm_; 219 bool animating_ = false; 220 221 private: 222 void DumpInputBuffers(hwc_display_contents_1_t *content_list); 223 int PrepareLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer); 224 void CommitLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer); 225 BlitEngine *blit_engine_ = NULL; 226 qService::QService *qservice_ = NULL; 227 DisplayClass display_class_; 228}; 229 230inline int HWCDisplay::Perform(uint32_t operation, ...) { 231 return 0; 232} 233 234} // namespace sdm 235 236#endif // __HWC_DISPLAY_H__ 237 238