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      1 syntax = "proto2";
      2 option optimize_for = LITE_RUNTIME;
      3 
      4 message Trace {
      5     repeated Increment increment = 1;
      6 }
      7 
      8 message Increment {
      9     required int64 time_stamp = 1;
     10 
     11     oneof increment {
     12         Transaction        transaction          = 2;
     13         SurfaceCreation    surface_creation     = 3;
     14         SurfaceDeletion    surface_deletion     = 4;
     15         BufferUpdate       buffer_update        = 5;
     16         VSyncEvent         vsync_event          = 6;
     17         DisplayCreation    display_creation     = 7;
     18         DisplayDeletion    display_deletion     = 8;
     19         PowerModeUpdate    power_mode_update    = 9;
     20     }
     21 }
     22 
     23 message Transaction {
     24     repeated SurfaceChange surface_change = 1;
     25     repeated DisplayChange display_change = 2;
     26 
     27     required bool synchronous = 3;
     28     required bool animation   = 4;
     29 }
     30 
     31 message SurfaceChange {
     32     required int32 id = 1;
     33 
     34     oneof SurfaceChange {
     35         PositionChange              position                = 2;
     36         SizeChange                  size                    = 3;
     37         AlphaChange                 alpha                   = 4;
     38         LayerChange                 layer                   = 5;
     39         CropChange                  crop                    = 6;
     40         FinalCropChange             final_crop              = 7;
     41         MatrixChange                matrix                  = 8;
     42         OverrideScalingModeChange   override_scaling_mode   = 9;
     43         TransparentRegionHintChange transparent_region_hint = 10;
     44         LayerStackChange            layer_stack             = 11;
     45         HiddenFlagChange            hidden_flag             = 12;
     46         OpaqueFlagChange            opaque_flag             = 13;
     47         SecureFlagChange            secure_flag             = 14;
     48         DeferredTransactionChange   deferred_transaction    = 15;
     49     }
     50 }
     51 
     52 message PositionChange {
     53     required float x = 1;
     54     required float y = 2;
     55 }
     56 
     57 message SizeChange {
     58     required uint32 w = 1;
     59     required uint32 h = 2;
     60 }
     61 
     62 message AlphaChange {
     63     required float alpha = 1;
     64 }
     65 
     66 message LayerChange {
     67     required uint32 layer = 1;
     68 }
     69 
     70 message CropChange {
     71     required Rectangle rectangle = 1;
     72 }
     73 
     74 message FinalCropChange {
     75     required Rectangle rectangle = 1;
     76 }
     77 
     78 message MatrixChange {
     79     required float dsdx = 1;
     80     required float dtdx = 2;
     81     required float dsdy = 3;
     82     required float dtdy = 4;
     83 }
     84 
     85 message OverrideScalingModeChange {
     86     required int32 override_scaling_mode = 1;
     87 }
     88 
     89 message TransparentRegionHintChange {
     90     repeated Rectangle region = 1;
     91 }
     92 
     93 message LayerStackChange {
     94     required uint32 layer_stack = 1;
     95 }
     96 
     97 message HiddenFlagChange {
     98     required bool hidden_flag = 1;
     99 }
    100 
    101 message OpaqueFlagChange {
    102     required bool opaque_flag = 1;
    103 }
    104 
    105 message SecureFlagChange {
    106     required bool secure_flag = 1;
    107 }
    108 
    109 message DeferredTransactionChange {
    110     required int32  layer_id     = 1;
    111     required uint64 frame_number = 2;
    112 }
    113 
    114 message DisplayChange {
    115     required int32 id = 1;
    116 
    117     oneof DisplayChange {
    118         DispSurfaceChange surface     = 2;
    119         LayerStackChange  layer_stack = 3;
    120         SizeChange        size        = 4;
    121         ProjectionChange  projection  = 5;
    122     }
    123 }
    124 
    125 message DispSurfaceChange {
    126     required uint64 buffer_queue_id   = 1;
    127     required string buffer_queue_name = 2;
    128 }
    129 
    130 message ProjectionChange {
    131     required int32     orientation = 1;
    132     required Rectangle viewport    = 2;
    133     required Rectangle frame       = 3;
    134 }
    135 
    136 message Rectangle {
    137     required int32 left   = 1;
    138     required int32 top    = 2;
    139     required int32 right  = 3;
    140     required int32 bottom = 4;
    141 }
    142 
    143 message SurfaceCreation {
    144     required int32  id   = 1;
    145     required string name = 2;
    146     required uint32 w    = 3;
    147     required uint32 h    = 4;
    148 }
    149 
    150 message SurfaceDeletion {
    151     required int32 id = 1;
    152 }
    153 
    154 message BufferUpdate {
    155     required int32  id           = 1;
    156     required uint32 w            = 2;
    157     required uint32 h            = 3;
    158     required uint64 frame_number = 4;
    159 }
    160 
    161 message VSyncEvent {
    162     required int64 when = 1;
    163 }
    164 
    165 message DisplayCreation {
    166     required int32     id                = 1;
    167     required string    name              = 2;
    168     required int32     type              = 3;
    169     required bool      is_secure         = 4;
    170 }
    171 
    172 message DisplayDeletion {
    173     required int32 id = 1;
    174 }
    175 
    176 message PowerModeUpdate {
    177     required int32  id   = 1;
    178     required int32  mode = 2;
    179 }
    180