1 /*
2 * Copyright (c) 2014 - 2017, 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 #include <string>
36
37 namespace sdm {
38
39 class BlitEngine;
40 class HWCToneMapper;
41
42 // Subclasses set this to their type. This has to be different from DisplayType.
43 // This is to avoid RTTI and dynamic_cast
44 enum DisplayClass {
45 DISPLAY_CLASS_PRIMARY,
46 DISPLAY_CLASS_EXTERNAL,
47 DISPLAY_CLASS_VIRTUAL,
48 DISPLAY_CLASS_NULL
49 };
50
51 class HWCColorMode {
52 public:
HWCColorMode(DisplayInterface * display_intf)53 explicit HWCColorMode(DisplayInterface *display_intf) : display_intf_(display_intf) {}
~HWCColorMode()54 ~HWCColorMode() {}
55 void Init();
DeInit()56 void DeInit() {}
57 int SetColorMode(const std::string &color_mode);
58 const std::vector<std::string> &GetColorModes();
59 int SetColorTransform(uint32_t matrix_count, const float *matrix);
60
61 private:
62 static const uint32_t kColorTransformMatrixCount = 16;
63 template <class T>
CopyColorTransformMatrix(const T * input_matrix,double * output_matrix)64 void CopyColorTransformMatrix(const T *input_matrix, double *output_matrix) {
65 for (uint32_t i = 0; i < kColorTransformMatrixCount; i++) {
66 output_matrix[i] = static_cast<double>(input_matrix[i]);
67 }
68 }
69 int PopulateColorModes();
70 DisplayInterface *display_intf_ = NULL;
71 std::vector<std::string> color_modes_ = {};
72 std::string current_color_mode_ = {};
73 };
74
75 class HWCDisplay : public DisplayEventHandler {
76 public:
77 enum {
78 SET_METADATA_DYN_REFRESH_RATE,
79 SET_BINDER_DYN_REFRESH_RATE,
80 SET_DISPLAY_MODE,
81 SET_QDCM_SOLID_FILL_INFO,
82 UNSET_QDCM_SOLID_FILL_INFO,
83 };
84
~HWCDisplay()85 virtual ~HWCDisplay() { }
86 virtual int Init();
87 virtual int Deinit();
88 virtual int Prepare(hwc_display_contents_1_t *content_list) = 0;
89 virtual int Commit(hwc_display_contents_1_t *content_list) = 0;
90 virtual int EventControl(int event, int enable);
91 virtual int SetPowerMode(int mode);
92
93 // Framebuffer configurations
94 virtual int GetDisplayConfigs(uint32_t *configs, size_t *num_configs);
95 virtual int GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes,
96 int32_t *values);
97 virtual int GetActiveConfig();
98 virtual int SetActiveConfig(int index);
99
100 virtual void SetIdleTimeoutMs(uint32_t timeout_ms);
101 virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type);
102 virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages);
ControlPartialUpdate(bool enable,uint32_t * pending)103 virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) {
104 return kErrorNotSupported;
105 }
106 virtual uint32_t GetLastPowerMode();
107 virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels);
108 virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels);
109 virtual int SetDisplayStatus(uint32_t display_status);
110 virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level);
111 virtual int Perform(uint32_t operation, ...);
112 virtual int SetCursorPosition(int x, int y);
113 virtual void SetSecureDisplay(bool secure_display_active, bool force_flush);
114 virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height);
115 virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height);
116 virtual void GetPanelResolution(uint32_t *width, uint32_t *height);
117
118 // Captures frame output in the buffer specified by output_buffer_info. The API is
119 // non-blocking and the client is expected to check operation status later on.
120 // Returns -1 if the input is invalid.
FrameCaptureAsync(const BufferInfo & output_buffer_info,bool post_processed)121 virtual int FrameCaptureAsync(const BufferInfo& output_buffer_info, bool post_processed) {
122 return -1;
123 }
124 // Returns the status of frame capture operation requested with FrameCaptureAsync().
125 // -EAGAIN : No status obtain yet, call API again after another frame.
126 // < 0 : Operation happened but failed.
127 // 0 : Success.
GetFrameCaptureStatus()128 virtual int GetFrameCaptureStatus() { return -EAGAIN; }
129
SetDetailEnhancerConfig(const DisplayDetailEnhancerData & de_data)130 virtual DisplayError SetDetailEnhancerConfig(const DisplayDetailEnhancerData &de_data) {
131 return kErrorNotSupported;
132 }
133
134 // Display Configurations
135 virtual int SetActiveDisplayConfig(int config);
136 virtual int GetActiveDisplayConfig(uint32_t *config);
137 virtual int GetDisplayConfigCount(uint32_t *count);
138 virtual int GetDisplayAttributesForConfig(int config,
139 DisplayConfigVariableInfo *display_attributes);
140 virtual int GetDisplayFixedConfig(DisplayConfigFixedInfo *fixed_info);
141
142 int SetPanelBrightness(int level);
143 int GetPanelBrightness(int *level);
144 int CachePanelBrightness(int level);
145 int ToggleScreenUpdates(bool enable);
146 int ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload,
147 PPDisplayAPIPayload *out_payload,
148 PPPendingParams *pending_action);
149 int GetVisibleDisplayRect(hwc_rect_t* rect);
150 DisplayClass GetDisplayClass();
151 int GetDisplayPort(DisplayPort *port);
152
153 protected:
154 enum DisplayStatus {
155 kDisplayStatusOffline = 0,
156 kDisplayStatusOnline,
157 kDisplayStatusPause,
158 kDisplayStatusResume,
159 };
160
161 // Dim layer flag set by SurfaceFlinger service.
162 static const uint32_t kDimLayer = 0x80000000;
163
164 // Maximum number of layers supported by display manager.
165 static const uint32_t kMaxLayerCount = 32;
166
167 HWCDisplay(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, DisplayType type, int id,
168 bool needs_blit, qService::QService *qservice, DisplayClass display_class);
169
170 // DisplayEventHandler methods
171 virtual DisplayError VSync(const DisplayEventVSync &vsync);
172 virtual DisplayError Refresh();
173 virtual DisplayError CECMessage(char *message);
174
175 int AllocateLayerStack(hwc_display_contents_1_t *content_list);
176 void FreeLayerStack();
177 virtual int PrePrepareLayerStack(hwc_display_contents_1_t *content_list);
178 virtual int PrepareLayerStack(hwc_display_contents_1_t *content_list);
179 virtual int CommitLayerStack(hwc_display_contents_1_t *content_list);
180 virtual int PostCommitLayerStack(hwc_display_contents_1_t *content_list);
181 virtual void DumpOutputBuffer(const BufferInfo& buffer_info, void *base, int fence);
182 virtual uint32_t RoundToStandardFPS(float fps);
183 virtual uint32_t SanitizeRefreshRate(uint32_t req_refresh_rate);
184 virtual void PrepareDynamicRefreshRate(Layer *layer);
DisablePartialUpdateOneFrame()185 virtual DisplayError DisablePartialUpdateOneFrame() {
186 return kErrorNotSupported;
187 }
188 inline void SetRect(const hwc_rect_t &source, LayerRect *target);
189 inline void SetRect(const hwc_frect_t &source, LayerRect *target);
190 inline void SetComposition(const int32_t &source, LayerComposition *target);
191 inline void SetComposition(const LayerComposition &source, int32_t *target);
192 inline void SetBlending(const int32_t &source, LayerBlending *target);
193 int SetFormat(const int32_t &source, const int flags, LayerBufferFormat *target);
194 void SetLayerS3DMode(const LayerBufferS3DFormat &source, uint32_t *target);
195 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags);
196 const char *GetDisplayString();
197 void MarkLayersForGPUBypass(hwc_display_contents_1_t *content_list);
198 virtual void ApplyScanAdjustment(hwc_rect_t *display_frame);
199 DisplayError SetCSC(const MetaData_t *meta_data, ColorMetaData *color_metadata);
200 DisplayError SetIGC(IGC_t source, LayerIGC *target);
201 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer);
202 bool NeedsFrameBufferRefresh(hwc_display_contents_1_t *content_list);
203 bool IsLayerUpdating(hwc_display_contents_1_t *content_list, const Layer *layer);
204 bool IsNonIntegralSourceCrop(const hwc_frect_t &source);
205 uint32_t GetUpdatingLayersCount(uint32_t app_layer_count);
206 bool SingleVideoLayerUpdating(uint32_t app_layer_count);
207 bool IsSurfaceUpdated(const std::vector<LayerRect> &dirty_regions);
208
209 enum {
210 INPUT_LAYER_DUMP,
211 OUTPUT_LAYER_DUMP,
212 };
213
214 CoreInterface *core_intf_;
215 hwc_procs_t const **hwc_procs_;
216 DisplayType type_;
217 int id_;
218 bool needs_blit_ = false;
219 DisplayInterface *display_intf_ = NULL;
220 LayerStack layer_stack_;
221 bool flush_on_error_ = false;
222 bool flush_ = false;
223 uint32_t dump_frame_count_ = 0;
224 uint32_t dump_frame_index_ = 0;
225 bool dump_input_layers_ = false;
226 uint32_t last_power_mode_;
227 bool swap_interval_zero_ = false;
228 bool display_paused_ = false;
229 uint32_t min_refresh_rate_ = 0;
230 uint32_t max_refresh_rate_ = 0;
231 uint32_t current_refresh_rate_ = 0;
232 bool use_metadata_refresh_rate_ = false;
233 uint32_t metadata_refresh_rate_ = 0;
234 uint32_t force_refresh_rate_ = 0;
235 bool boot_animation_completed_ = false;
236 bool shutdown_pending_ = false;
237 bool use_blit_comp_ = false;
238 bool secure_display_active_ = false;
239 uint32_t skip_prepare_cnt = 0;
240 bool solid_fill_enable_ = false;
241 bool disable_animation_ = false;
242 uint32_t solid_fill_color_ = 0;
243 LayerRect display_rect_;
244 std::map<int, LayerBufferS3DFormat> s3d_format_hwc_to_sdm_;
245 bool animating_ = false;
246 HWCToneMapper *tone_mapper_ = NULL;
247 HWCColorMode *color_mode_ = NULL;
248 int disable_hdr_handling_ = 0; // disables HDR handling.
249
250 private:
251 void DumpInputBuffers(hwc_display_contents_1_t *content_list);
252 int PrepareLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer);
253 void CommitLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer);
254 BlitEngine *blit_engine_ = NULL;
255 qService::QService *qservice_ = NULL;
256 DisplayClass display_class_;
257 };
258
Perform(uint32_t operation,...)259 inline int HWCDisplay::Perform(uint32_t operation, ...) {
260 return 0;
261 }
262
263 } // namespace sdm
264
265 #endif // __HWC_DISPLAY_H__
266
267