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
5 * modification, are permitted provided that the following conditions are
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9 *     * Redistributions in binary form must reproduce the above
10 *       copyright notice, this list of conditions and the following
11 *       disclaimer in the documentation and/or other materials provided
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13 *     * Neither the name of The Linux Foundation nor the names of its
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15 *       from this software without specific prior written permission.
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17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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28 */
29 
30 #include <utils/constants.h>
31 #include <utils/debug.h>
32 #include <sync/sync.h>
33 #include <stdarg.h>
34 #ifndef USE_GRALLOC1
35 #include <gr.h>
36 #endif
37 
38 #include "hwc_display_virtual.h"
39 #include "hwc_debugger.h"
40 
41 #define __CLASS__ "HWCDisplayVirtual"
42 
43 namespace sdm {
44 
Create(CoreInterface * core_intf,HWCBufferAllocator * buffer_allocator,HWCCallbacks * callbacks,uint32_t width,uint32_t height,int32_t * format,HWCDisplay ** hwc_display)45 int HWCDisplayVirtual::Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
46                               HWCCallbacks *callbacks, uint32_t width,
47                               uint32_t height, int32_t *format, HWCDisplay **hwc_display) {
48   int status = 0;
49   HWCDisplayVirtual *hwc_display_virtual = new HWCDisplayVirtual(core_intf, buffer_allocator,
50                                                                  callbacks);
51 
52   // TODO(user): Populate format correctly
53   DLOGI("Creating virtual display: w: %d h:%d format:0x%x", width, height, *format);
54 
55   status = hwc_display_virtual->Init();
56   if (status) {
57     DLOGW("Failed to initialize virtual display");
58     delete hwc_display_virtual;
59     return status;
60   }
61 
62   status = INT32(hwc_display_virtual->SetPowerMode(HWC2::PowerMode::On));
63   if (status) {
64     DLOGW("Failed to set power mode on virtual display");
65     Destroy(hwc_display_virtual);
66     return status;
67   }
68 
69   status = hwc_display_virtual->SetConfig(width, height);
70   if (status) {
71     Destroy(hwc_display_virtual);
72     return status;
73   }
74 
75   // TODO(user): Validate that we support this width/height
76   status = hwc_display_virtual->SetFrameBufferResolution(width, height);
77 
78   if (status) {
79     DLOGW("Failed to set virtual display FB resolution");
80     Destroy(hwc_display_virtual);
81     return status;
82   }
83 
84   *hwc_display = static_cast<HWCDisplay *>(hwc_display_virtual);
85 
86   return 0;
87 }
88 
Destroy(HWCDisplay * hwc_display)89 void HWCDisplayVirtual::Destroy(HWCDisplay *hwc_display) {
90   hwc_display->Deinit();
91   delete hwc_display;
92 }
93 
HWCDisplayVirtual(CoreInterface * core_intf,HWCBufferAllocator * buffer_allocator,HWCCallbacks * callbacks)94 HWCDisplayVirtual::HWCDisplayVirtual(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
95                                      HWCCallbacks *callbacks)
96     : HWCDisplay(core_intf, callbacks, kVirtual, HWC_DISPLAY_VIRTUAL, false, NULL,
97                  DISPLAY_CLASS_VIRTUAL, buffer_allocator) {
98 }
99 
Init()100 int HWCDisplayVirtual::Init() {
101   output_buffer_ = new LayerBuffer();
102   return HWCDisplay::Init();
103 }
104 
Deinit()105 int HWCDisplayVirtual::Deinit() {
106   int status = 0;
107   if (output_buffer_) {
108     delete output_buffer_;
109     output_buffer_ = nullptr;
110   }
111   status = HWCDisplay::Deinit();
112 
113   return status;
114 }
115 
Validate(uint32_t * out_num_types,uint32_t * out_num_requests)116 HWC2::Error HWCDisplayVirtual::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) {
117   auto status = HWC2::Error::None;
118 
119   if (display_paused_) {
120     MarkLayersForGPUBypass();
121     return status;
122   }
123 
124   BuildLayerStack();
125   layer_stack_.output_buffer = output_buffer_;
126   status = PrepareLayerStack(out_num_types, out_num_requests);
127   return status;
128 }
129 
Present(int32_t * out_retire_fence)130 HWC2::Error HWCDisplayVirtual::Present(int32_t *out_retire_fence) {
131   auto status = HWC2::Error::None;
132   if (display_paused_) {
133     DisplayError error = display_intf_->Flush();
134     if (error != kErrorNone) {
135       DLOGE("Flush failed. Error = %d", error);
136     }
137   } else {
138     status = HWCDisplay::CommitLayerStack();
139     if (status == HWC2::Error::None) {
140       if (dump_frame_count_ && !flush_ && dump_output_layer_) {
141         if (output_handle_ && output_handle_->base) {
142           BufferInfo buffer_info;
143           const private_handle_t *output_handle =
144               reinterpret_cast<const private_handle_t *>(output_buffer_->buffer_id);
145           buffer_info.buffer_config.width = static_cast<uint32_t>(output_handle->width);
146           buffer_info.buffer_config.height = static_cast<uint32_t>(output_handle->height);
147           buffer_info.buffer_config.format =
148               GetSDMFormat(output_handle->format, output_handle->flags);
149           buffer_info.alloc_buffer_info.size = static_cast<uint32_t>(output_handle->size);
150           DumpOutputBuffer(buffer_info, reinterpret_cast<void *>(output_handle->base),
151                            layer_stack_.retire_fence_fd);
152         }
153       }
154 
155       status = HWCDisplay::PostCommitLayerStack(out_retire_fence);
156     }
157   }
158   if (output_buffer_->acquire_fence_fd >= 0) {
159     close(output_buffer_->acquire_fence_fd);
160     output_buffer_->acquire_fence_fd = -1;
161   }
162   return status;
163 }
164 
SetConfig(uint32_t width,uint32_t height)165 int HWCDisplayVirtual::SetConfig(uint32_t width, uint32_t height) {
166   DisplayConfigVariableInfo variable_info;
167   variable_info.x_pixels = width;
168   variable_info.y_pixels = height;
169   // TODO(user): Need to get the framerate of primary display and update it.
170   variable_info.fps = 60;
171   return display_intf_->SetActiveConfig(&variable_info);
172 }
173 
SetOutputBuffer(buffer_handle_t buf,int32_t release_fence)174 HWC2::Error HWCDisplayVirtual::SetOutputBuffer(buffer_handle_t buf, int32_t release_fence) {
175   if (buf == nullptr || release_fence == 0) {
176     return HWC2::Error::BadParameter;
177   }
178   const private_handle_t *output_handle = static_cast<const private_handle_t *>(buf);
179 
180   // Fill output buffer parameters (width, height, format, plane information, fence)
181   output_buffer_->acquire_fence_fd = dup(release_fence);
182 
183   if (output_handle) {
184     output_handle_ = output_handle;
185     output_buffer_->buffer_id = reinterpret_cast<uint64_t>(output_handle);
186     int output_handle_format = output_handle->format;
187 
188     if (output_handle_format == HAL_PIXEL_FORMAT_RGBA_8888) {
189       output_handle_format = HAL_PIXEL_FORMAT_RGBX_8888;
190     }
191 
192     output_buffer_->format = GetSDMFormat(output_handle_format, output_handle->flags);
193 
194     if (output_buffer_->format == kFormatInvalid) {
195       return HWC2::Error::BadParameter;
196     }
197 
198     int aligned_width, aligned_height;
199 #ifdef USE_GRALLOC1
200     buffer_allocator_->GetCustomWidthAndHeight(output_handle, &aligned_width, &aligned_height);
201 #else
202     AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(output_handle, aligned_width,
203                                                           aligned_height);
204 #endif
205 
206     output_buffer_->width = UINT32(aligned_width);
207     output_buffer_->height = UINT32(aligned_height);
208     output_buffer_->unaligned_width = UINT32(output_handle->unaligned_width);
209     output_buffer_->unaligned_height = UINT32(output_handle->unaligned_height);
210     output_buffer_->flags.secure = 0;
211     output_buffer_->flags.video = 0;
212 
213     if (sdm::SetCSC(output_handle, &output_buffer_->color_metadata) != kErrorNone) {
214       return HWC2::Error::BadParameter;
215     }
216 
217     // TZ Protected Buffer - L1
218     if (output_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
219       output_buffer_->flags.secure = 1;
220     }
221 
222     // ToDo: Need to extend for non-RGB formats
223     output_buffer_->planes[0].fd = output_handle->fd;
224     output_buffer_->planes[0].offset = output_handle->offset;
225     output_buffer_->planes[0].stride = UINT32(output_handle->width);
226   }
227 
228   return HWC2::Error::None;
229 }
230 
SetFrameDumpConfig(uint32_t count,uint32_t bit_mask_layer_type)231 void HWCDisplayVirtual::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) {
232   HWCDisplay::SetFrameDumpConfig(count, bit_mask_layer_type);
233   dump_output_layer_ = ((bit_mask_layer_type & (1 << OUTPUT_LAYER_DUMP)) != 0);
234 
235   DLOGI("output_layer_dump_enable %d", dump_output_layer_);
236 }
237 
238 }  // namespace sdm
239