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