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:
~HWCDisplay()52 virtual ~HWCDisplay() { }
53 virtual int Init();
54 virtual int Deinit();
55 virtual int Prepare(hwc_display_contents_1_t *content_list) = 0;
56 virtual int Commit(hwc_display_contents_1_t *content_list) = 0;
57 virtual int EventControl(int event, int enable);
58 virtual int SetPowerMode(int mode);
59
60 // Framebuffer configurations
61 virtual int GetDisplayConfigs(uint32_t *configs, size_t *num_configs);
62 virtual int GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes,
63 int32_t *values);
64 virtual int GetActiveConfig();
65 virtual int SetActiveConfig(int index);
66
67 virtual void SetIdleTimeoutMs(uint32_t timeout_ms);
68 virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type);
69 virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages);
ControlPartialUpdate(bool enable,uint32_t * pending)70 virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) {
71 return kErrorNotSupported;
72 }
73 virtual uint32_t GetLastPowerMode();
74 virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels);
75 virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels);
76 virtual int SetDisplayStatus(uint32_t display_status);
77 virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level);
78 virtual int Perform(uint32_t operation, ...);
79 virtual int SetCursorPosition(int x, int y);
80 virtual void SetSecureDisplay(bool secure_display_active);
81 virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height);
82 virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height);
83 virtual void GetPanelResolution(uint32_t *width, uint32_t *height);
84
85 // Captures frame output in the buffer specified by output_buffer_info. The API is
86 // non-blocking and the client is expected to check operation status later on.
87 // Returns -1 if the input is invalid.
FrameCaptureAsync(const BufferInfo & output_buffer_info,bool post_processed)88 virtual int FrameCaptureAsync(const BufferInfo& output_buffer_info, bool post_processed) {
89 return -1;
90 }
91 // Returns the status of frame capture operation requested with FrameCaptureAsync().
92 // -EAGAIN : No status obtain yet, call API again after another frame.
93 // < 0 : Operation happened but failed.
94 // 0 : Success.
GetFrameCaptureStatus()95 virtual int GetFrameCaptureStatus() { return -EAGAIN; }
96
97 // Display Configurations
98 virtual int SetActiveDisplayConfig(int config);
99 virtual int GetActiveDisplayConfig(uint32_t *config);
100 virtual int GetDisplayConfigCount(uint32_t *count);
101 virtual int GetDisplayAttributesForConfig(int config,
102 DisplayConfigVariableInfo *display_attributes);
103
104 int SetPanelBrightness(int level);
105 int GetPanelBrightness(int *level);
106 int ToggleScreenUpdates(bool enable);
107 int ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload,
108 PPDisplayAPIPayload *out_payload,
109 PPPendingParams *pending_action);
110 int GetVisibleDisplayRect(hwc_rect_t* rect);
111 DisplayClass GetDisplayClass();
112
113 protected:
114 enum DisplayStatus {
115 kDisplayStatusOffline = 0,
116 kDisplayStatusOnline,
117 kDisplayStatusPause,
118 kDisplayStatusResume,
119 };
120
121 // Dim layer flag set by SurfaceFlinger service.
122 static const uint32_t kDimLayer = 0x80000000;
123
124 // Maximum number of layers supported by display manager.
125 static const uint32_t kMaxLayerCount = 32;
126
127 HWCDisplay(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, DisplayType type, int id,
128 bool needs_blit, qService::QService *qservice, DisplayClass display_class);
129
130 // DisplayEventHandler methods
131 virtual DisplayError VSync(const DisplayEventVSync &vsync);
132 virtual DisplayError Refresh();
133 virtual DisplayError CECMessage(char *message);
134
135 int AllocateLayerStack(hwc_display_contents_1_t *content_list);
136 void FreeLayerStack();
137 virtual int PrePrepareLayerStack(hwc_display_contents_1_t *content_list);
138 virtual int PrepareLayerStack(hwc_display_contents_1_t *content_list);
139 virtual int CommitLayerStack(hwc_display_contents_1_t *content_list);
140 virtual int PostCommitLayerStack(hwc_display_contents_1_t *content_list);
141 virtual void DumpOutputBuffer(const BufferInfo& buffer_info, void *base, int fence);
142 virtual uint32_t RoundToStandardFPS(float fps);
143 virtual uint32_t SanitizeRefreshRate(uint32_t req_refresh_rate);
144 virtual void PrepareDynamicRefreshRate(Layer *layer);
DisablePartialUpdateOneFrame()145 virtual DisplayError DisablePartialUpdateOneFrame() {
146 return kErrorNotSupported;
147 }
148 inline void SetRect(const hwc_rect_t &source, LayerRect *target);
149 inline void SetRect(const hwc_frect_t &source, LayerRect *target);
150 inline void SetComposition(const int32_t &source, LayerComposition *target);
151 inline void SetComposition(const LayerComposition &source, int32_t *target);
152 inline void SetBlending(const int32_t &source, LayerBlending *target);
153 int SetFormat(const int32_t &source, const int flags, LayerBufferFormat *target);
154 LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags);
155 const char *GetHALPixelFormatString(int format);
156 const char *GetDisplayString();
157 void MarkLayersForGPUBypass(hwc_display_contents_1_t *content_list);
158 virtual void ApplyScanAdjustment(hwc_rect_t *display_frame);
159 DisplayError SetCSC(ColorSpace_t source, LayerCSC *target);
160 DisplayError SetIGC(IGC_t source, LayerIGC *target);
161 DisplayError SetMetaData(const private_handle_t *pvt_handle, Layer *layer);
162 bool NeedsFrameBufferRefresh(hwc_display_contents_1_t *content_list);
163 bool IsLayerUpdating(hwc_display_contents_1_t *content_list, const Layer *layer);
164 bool SingleLayerUpdating(uint32_t app_layer_count);
165 bool SingleVideoLayerUpdating(uint32_t app_layer_count);
166 bool IsSurfaceUpdated(const std::vector<LayerRect> &dirty_regions);
167
168 enum {
169 INPUT_LAYER_DUMP,
170 OUTPUT_LAYER_DUMP,
171 };
172
173 CoreInterface *core_intf_;
174 hwc_procs_t const **hwc_procs_;
175 DisplayType type_;
176 int id_;
177 bool needs_blit_ = false;
178 DisplayInterface *display_intf_ = NULL;
179 LayerStack layer_stack_;
180 bool flush_on_error_ = false;
181 bool flush_ = false;
182 uint32_t dump_frame_count_ = 0;
183 uint32_t dump_frame_index_ = 0;
184 bool dump_input_layers_ = false;
185 uint32_t last_power_mode_;
186 bool swap_interval_zero_ = false;
187 bool display_paused_ = false;
188 uint32_t min_refresh_rate_ = 0;
189 uint32_t max_refresh_rate_ = 0;
190 uint32_t current_refresh_rate_ = 0;
191 bool use_metadata_refresh_rate_ = false;
192 uint32_t metadata_refresh_rate_ = 0;
193 uint32_t force_refresh_rate_ = 0;
194 bool boot_animation_completed_ = false;
195 bool shutdown_pending_ = false;
196 bool use_blit_comp_ = false;
197 bool secure_display_active_ = false;
198 bool skip_prepare_ = false;
199 bool solid_fill_enable_ = false;
200 uint32_t solid_fill_color_ = 0;
201 LayerRect display_rect_;
202 std::map<int, LayerBufferS3DFormat> s3d_format_hwc_to_sdm_;
203 bool animating_ = false;
204
205 private:
206 void DumpInputBuffers(hwc_display_contents_1_t *content_list);
207 int PrepareLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer);
208 void CommitLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer);
209 BlitEngine *blit_engine_ = NULL;
210 qService::QService *qservice_ = NULL;
211 DisplayClass display_class_;
212 };
213
Perform(uint32_t operation,...)214 inline int HWCDisplay::Perform(uint32_t operation, ...) {
215 return 0;
216 }
217
218 } // namespace sdm
219
220 #endif // __HWC_DISPLAY_H__
221
222