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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 
36 namespace sdm {
37 
38 class 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
42 enum DisplayClass {
43   DISPLAY_CLASS_PRIMARY,
44   DISPLAY_CLASS_EXTERNAL,
45   DISPLAY_CLASS_VIRTUAL,
46   DISPLAY_CLASS_NULL
47 };
48 
49 
50 class 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 
~HWCDisplay()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);
ControlPartialUpdate(bool enable,uint32_t * pending)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.
FrameCaptureAsync(const BufferInfo & output_buffer_info,bool post_processed)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.
GetFrameCaptureStatus()103   virtual int GetFrameCaptureStatus() { return -EAGAIN; }
104 
SetDetailEnhancerConfig(const DisplayDetailEnhancerData & de_data)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);
DisablePartialUpdateOneFrame()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 
Perform(uint32_t operation,...)230 inline int HWCDisplay::Perform(uint32_t operation, ...) {
231   return 0;
232 }
233 
234 }  // namespace sdm
235 
236 #endif  // __HWC_DISPLAY_H__
237 
238