diff --git a/services/surfaceflinger/layerproto/Android.bp b/services/surfaceflinger/layerproto/Android.bp
index a4dc8a0..7287dd0 100644
--- a/services/surfaceflinger/layerproto/Android.bp
+++ b/services/surfaceflinger/layerproto/Android.bp
@@ -13,20 +13,7 @@
 
     srcs: [
         "LayerProtoParser.cpp",
-    ],
-
-    static_libs: [
-        "libperfetto_client_experimental",
-    ],
-
-    whole_static_libs: [
-        // TODO(b/169779783): move  into "static_libs" when the soong issue is fixed
-        "perfetto_trace_protos",
-    ],
-
-    export_static_lib_headers: [
-        "libperfetto_client_experimental",
-        "perfetto_trace_protos",
+        "*.proto",
     ],
 
     shared_libs: [
@@ -37,6 +24,10 @@
         "libbase",
     ],
 
+    proto: {
+        export_proto_headers: true,
+    },
+
     cppflags: [
         "-Werror",
         "-Wno-unused-parameter",
@@ -51,3 +42,22 @@
         "-Wno-undef",
     ],
 }
+
+java_library_static {
+    name: "layersprotoslite",
+    host_supported: true,
+    proto: {
+        type: "lite",
+        include_dirs: ["external/protobuf/src"],
+    },
+    srcs: ["*.proto"],
+    sdk_version: "core_platform",
+    target: {
+        android: {
+            jarjar_rules: "jarjar-rules.txt",
+        },
+        host: {
+            static_libs: ["libprotobuf-java-lite"],
+        },
+    },
+}
diff --git a/services/surfaceflinger/layerproto/LayerProtoParser.cpp b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
index 8d48070..854084e 100644
--- a/services/surfaceflinger/layerproto/LayerProtoParser.cpp
+++ b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
@@ -37,8 +37,7 @@
     return lhs->id < rhs->id;
 }
 
-LayerProtoParser::LayerTree LayerProtoParser::generateLayerTree(
-        const perfetto::protos::LayersProto& layersProto) {
+LayerProtoParser::LayerTree LayerProtoParser::generateLayerTree(const LayersProto& layersProto) {
     LayerTree layerTree;
     layerTree.allLayers = generateLayerList(layersProto);
 
@@ -54,7 +53,7 @@
 }
 
 std::vector<LayerProtoParser::Layer> LayerProtoParser::generateLayerList(
-        const perfetto::protos::LayersProto& layersProto) {
+        const LayersProto& layersProto) {
     std::vector<Layer> layerList;
     std::unordered_map<int32_t, Layer*> layerMap;
 
@@ -75,8 +74,7 @@
     return layerList;
 }
 
-LayerProtoParser::Layer LayerProtoParser::generateLayer(
-        const perfetto::protos::LayerProto& layerProto) {
+LayerProtoParser::Layer LayerProtoParser::generateLayer(const LayerProto& layerProto) {
     Layer layer;
     layer.id = layerProto.id();
     layer.name = layerProto.name();
@@ -122,19 +120,17 @@
     return layer;
 }
 
-LayerProtoParser::Region LayerProtoParser::generateRegion(
-        const perfetto::protos::RegionProto& regionProto) {
+LayerProtoParser::Region LayerProtoParser::generateRegion(const RegionProto& regionProto) {
     LayerProtoParser::Region region;
     for (int i = 0; i < regionProto.rect_size(); i++) {
-        const perfetto::protos::RectProto& rectProto = regionProto.rect(i);
+        const RectProto& rectProto = regionProto.rect(i);
         region.rects.push_back(generateRect(rectProto));
     }
 
     return region;
 }
 
-LayerProtoParser::Rect LayerProtoParser::generateRect(
-        const perfetto::protos::RectProto& rectProto) {
+LayerProtoParser::Rect LayerProtoParser::generateRect(const RectProto& rectProto) {
     LayerProtoParser::Rect rect;
     rect.left = rectProto.left();
     rect.top = rectProto.top();
@@ -144,8 +140,7 @@
     return rect;
 }
 
-LayerProtoParser::FloatRect LayerProtoParser::generateFloatRect(
-        const perfetto::protos::FloatRectProto& rectProto) {
+LayerProtoParser::FloatRect LayerProtoParser::generateFloatRect(const FloatRectProto& rectProto) {
     LayerProtoParser::FloatRect rect;
     rect.left = rectProto.left();
     rect.top = rectProto.top();
@@ -156,7 +151,7 @@
 }
 
 LayerProtoParser::Transform LayerProtoParser::generateTransform(
-        const perfetto::protos::TransformProto& transformProto) {
+        const TransformProto& transformProto) {
     LayerProtoParser::Transform transform;
     transform.dsdx = transformProto.dsdx();
     transform.dtdx = transformProto.dtdx();
@@ -167,7 +162,7 @@
 }
 
 LayerProtoParser::ActiveBuffer LayerProtoParser::generateActiveBuffer(
-        const perfetto::protos::ActiveBufferProto& activeBufferProto) {
+        const ActiveBufferProto& activeBufferProto) {
     LayerProtoParser::ActiveBuffer activeBuffer;
     activeBuffer.width = activeBufferProto.width();
     activeBuffer.height = activeBufferProto.height();
@@ -177,7 +172,7 @@
     return activeBuffer;
 }
 
-void LayerProtoParser::updateChildrenAndRelative(const perfetto::protos::LayerProto& layerProto,
+void LayerProtoParser::updateChildrenAndRelative(const LayerProto& layerProto,
                                                  std::unordered_map<int32_t, Layer*>& layerMap) {
     auto currLayer = layerMap[layerProto.id()];
 
diff --git a/services/surfaceflinger/layerproto/common.proto b/services/surfaceflinger/layerproto/common.proto
new file mode 100644
index 0000000..5e20d4d
--- /dev/null
+++ b/services/surfaceflinger/layerproto/common.proto
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+option optimize_for = LITE_RUNTIME;
+package android.surfaceflinger;
+
+message RegionProto {
+    reserved 1; // Previously: uint64 id
+    repeated RectProto rect = 2;
+}
+
+message RectProto {
+  int32 left   = 1;
+  int32 top    = 2;
+  int32 right  = 3;
+  int32 bottom = 4;
+}
+
+message SizeProto {
+  int32 w = 1;
+  int32 h = 2;
+}
+
+message TransformProto {
+  float dsdx = 1;
+  float dtdx = 2;
+  float dsdy = 3;
+  float dtdy = 4;
+  int32 type = 5;
+}
+
+message ColorProto {
+    float r = 1;
+    float g = 2;
+    float b = 3;
+    float a = 4;
+}
+
+message InputWindowInfoProto {
+    uint32 layout_params_flags = 1;
+    int32 layout_params_type = 2;
+    RectProto frame = 3;
+    RegionProto touchable_region = 4;
+
+    int32 surface_inset = 5;
+    bool visible = 6;
+    bool can_receive_keys = 7 [deprecated = true];
+    bool focusable = 8;
+    bool has_wallpaper = 9;
+
+    float global_scale_factor = 10;
+    float window_x_scale = 11 [deprecated = true];
+    float window_y_scale = 12 [deprecated = true];
+
+    int32 crop_layer_id = 13;
+    bool replace_touchable_region_with_crop = 14;
+    RectProto touchable_region_crop = 15;
+    TransformProto transform = 16;
+    uint32 input_config = 17;
+}
+
+message BlurRegion {
+    uint32 blur_radius = 1;
+    uint32 corner_radius_tl = 2;
+    uint32 corner_radius_tr = 3;
+    uint32 corner_radius_bl = 4;
+    float corner_radius_br = 5;
+    float alpha = 6;
+    int32 left = 7;
+    int32 top = 8;
+    int32 right = 9;
+    int32 bottom = 10;
+}
+
+message ColorTransformProto {
+    // This will be a 4x4 matrix of float values
+    repeated float val = 1;
+}
diff --git a/services/surfaceflinger/layerproto/display.proto b/services/surfaceflinger/layerproto/display.proto
new file mode 100644
index 0000000..64de775
--- /dev/null
+++ b/services/surfaceflinger/layerproto/display.proto
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+option optimize_for = LITE_RUNTIME;
+
+import "frameworks/native/services/surfaceflinger/layerproto/common.proto";
+
+package android.surfaceflinger;
+
+message DisplayProto {
+    uint64 id = 1;
+
+    string name = 2;
+
+    uint32 layer_stack = 3;
+
+    SizeProto size = 4;
+
+    RectProto layer_stack_space_rect = 5;
+
+    TransformProto transform = 6;
+
+    bool is_virtual = 7;
+
+    double dpi_x = 8;
+
+    double dpi_y = 9;
+}
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoHeader.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoHeader.h
index 4a2ef3d..f560562 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoHeader.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoHeader.h
@@ -14,14 +14,11 @@
  * limitations under the License.
  */
 
-#pragma once
-
 // pragma is used here to disable the warnings emitted from the protobuf
 // headers. By adding #pragma before including layer.pb.h, it supresses
 // protobuf warnings, but allows the rest of the files to continuing using
 // the current flags.
 // This file should be included instead of directly including layer.b.h
 #pragma GCC system_header
-#include <perfetto/config/android/surfaceflinger_layers_config.pbzero.h>
-#include <perfetto/trace/android/surfaceflinger_layers.pb.h>
-#include <perfetto/trace/android/surfaceflinger_layers.pbzero.h>
+#include <layers.pb.h>
+#include <layerstrace.pb.h>
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
index 79c3982..cdc2706 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
@@ -131,22 +131,19 @@
         std::vector<Layer*> topLevelLayers;
     };
 
-    static LayerTree generateLayerTree(const perfetto::protos::LayersProto& layersProto);
+    static LayerTree generateLayerTree(const LayersProto& layersProto);
     static std::string layerTreeToString(const LayerTree& layerTree);
 
 private:
-    static std::vector<Layer> generateLayerList(const perfetto::protos::LayersProto& layersProto);
-    static LayerProtoParser::Layer generateLayer(const perfetto::protos::LayerProto& layerProto);
-    static LayerProtoParser::Region generateRegion(
-            const perfetto::protos::RegionProto& regionProto);
-    static LayerProtoParser::Rect generateRect(const perfetto::protos::RectProto& rectProto);
-    static LayerProtoParser::FloatRect generateFloatRect(
-            const perfetto::protos::FloatRectProto& rectProto);
-    static LayerProtoParser::Transform generateTransform(
-            const perfetto::protos::TransformProto& transformProto);
+    static std::vector<Layer> generateLayerList(const LayersProto& layersProto);
+    static LayerProtoParser::Layer generateLayer(const LayerProto& layerProto);
+    static LayerProtoParser::Region generateRegion(const RegionProto& regionProto);
+    static LayerProtoParser::Rect generateRect(const RectProto& rectProto);
+    static LayerProtoParser::FloatRect generateFloatRect(const FloatRectProto& rectProto);
+    static LayerProtoParser::Transform generateTransform(const TransformProto& transformProto);
     static LayerProtoParser::ActiveBuffer generateActiveBuffer(
-            const perfetto::protos::ActiveBufferProto& activeBufferProto);
-    static void updateChildrenAndRelative(const perfetto::protos::LayerProto& layerProto,
+            const ActiveBufferProto& activeBufferProto);
+    static void updateChildrenAndRelative(const LayerProto& layerProto,
                                           std::unordered_map<int32_t, Layer*>& layerMap);
 
     static std::string layerToString(const LayerProtoParser::Layer* layer);
diff --git a/services/surfaceflinger/layerproto/include/layerproto/TransactionProto.h b/services/surfaceflinger/layerproto/include/layerproto/TransactionProto.h
index ea80ad8..3e9ca52 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/TransactionProto.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/TransactionProto.h
@@ -14,11 +14,7 @@
  * limitations under the License.
  */
 
-#pragma once
-
 // disable the warnings emitted from the protobuf headers. This file should be included instead of
 // directly including the generated header file
 #pragma GCC system_header
-#include <perfetto/config/android/surfaceflinger_transactions_config.pbzero.h>
-#include <perfetto/trace/android/surfaceflinger_transactions.pb.h>
-#include <perfetto/trace/android/surfaceflinger_transactions.pbzero.h>
+#include <transactions.pb.h>
diff --git a/services/surfaceflinger/layerproto/jarjar-rules.txt b/services/surfaceflinger/layerproto/jarjar-rules.txt
new file mode 100644
index 0000000..40043a8
--- /dev/null
+++ b/services/surfaceflinger/layerproto/jarjar-rules.txt
@@ -0,0 +1 @@
+rule com.google.protobuf.nano.** com.android.framework.protobuf.nano.@1
diff --git a/services/surfaceflinger/layerproto/layers.proto b/services/surfaceflinger/layerproto/layers.proto
new file mode 100644
index 0000000..e9add2e
--- /dev/null
+++ b/services/surfaceflinger/layerproto/layers.proto
@@ -0,0 +1,171 @@
+// Definitions for SurfaceFlinger layers.
+
+syntax = "proto3";
+option optimize_for = LITE_RUNTIME;
+
+import "frameworks/native/services/surfaceflinger/layerproto/common.proto";
+
+package android.surfaceflinger;
+
+// Contains a list of all layers.
+message LayersProto {
+  repeated LayerProto layers = 1;
+}
+
+// Must match definition in the IComposerClient HAL
+enum HwcCompositionType {
+    // Invalid composition type
+    INVALID = 0;
+    // Layer was composited by the client into the client target buffer
+    CLIENT = 1;
+    // Layer was composited by the device through hardware overlays
+    DEVICE = 2;
+    // Layer was composited by the device using a color
+    SOLID_COLOR = 3;
+    // Similar to DEVICE, but the layer position may have been asynchronously set
+    // through setCursorPosition
+    CURSOR = 4;
+    // Layer was composited by the device via a sideband stream.
+    SIDEBAND = 5;
+}
+
+// Information about each layer.
+message LayerProto {
+  // unique id per layer.
+  int32 id = 1;
+  // unique name per layer.
+  string name = 2;
+  // list of children this layer may have. May be empty.
+  repeated int32 children = 3;
+  // list of layers that are z order relative to this layer.
+  repeated int32 relatives = 4;
+  // The type of layer, ex Color, Layer
+  string type = 5;
+  RegionProto transparent_region = 6;
+  RegionProto visible_region = 7;
+  RegionProto damage_region = 8;
+  uint32 layer_stack = 9;
+  // The layer's z order. Can be z order in layer stack, relative to parent,
+  // or relative to another layer specified in zOrderRelative.
+  int32 z = 10;
+  // The layer's position on the display.
+  PositionProto position = 11;
+  // The layer's requested position.
+  PositionProto requested_position = 12;
+  // The layer's size.
+  SizeProto size = 13;
+  // The layer's crop in it's own bounds.
+  RectProto crop = 14;
+  // The layer's crop in it's parent's bounds.
+  RectProto final_crop = 15 [deprecated=true];
+  bool is_opaque = 16;
+  bool invalidate = 17;
+  string dataspace = 18;
+  string pixel_format = 19;
+  // The layer's actual color.
+  ColorProto color = 20;
+  // The layer's requested color.
+  ColorProto requested_color = 21;
+  // Can be any combination of
+  //    hidden = 0x01
+  //    opaque = 0x02,
+  //    secure = 0x80,
+  uint32 flags = 22;
+  // The layer's actual transform
+  TransformProto transform = 23;
+  // The layer's requested transform.
+  TransformProto requested_transform = 24;
+  // The parent layer. This value can be null if there is no parent.
+  int32 parent = 25;
+  // The layer that this layer has a z order relative to. This value can be null.
+  int32 z_order_relative_of = 26;
+  // This value can be null if there's nothing to draw.
+  ActiveBufferProto active_buffer = 27;
+  // The number of frames available.
+  int32 queued_frames = 28;
+  bool refresh_pending = 29;
+  // The layer's composer backend destination frame
+  RectProto hwc_frame = 30;
+  // The layer's composer backend source crop
+  FloatRectProto hwc_crop = 31;
+  // The layer's composer backend transform
+  int32 hwc_transform = 32;
+  int32 window_type = 33 [deprecated=true];
+  int32 app_id = 34 [deprecated=true];
+  // The layer's composition type
+  HwcCompositionType hwc_composition_type = 35;
+  // If it's a buffer layer, indicate if the content is protected
+  bool is_protected = 36;
+  // Current frame number being rendered.
+  uint64 curr_frame = 37;
+  // A list of barriers that the layer is waiting to update state.
+  repeated BarrierLayerProto barrier_layer = 38;
+  // If active_buffer is not null, record its transform.
+  TransformProto buffer_transform = 39;
+  int32 effective_scaling_mode = 40;
+  // Layer's corner radius.
+  float corner_radius = 41;
+  // Metadata map. May be empty.
+  map<int32, bytes> metadata = 42;
+
+  TransformProto effective_transform = 43;
+  FloatRectProto source_bounds = 44;
+  FloatRectProto bounds = 45;
+  FloatRectProto screen_bounds = 46;
+
+  InputWindowInfoProto input_window_info = 47;
+
+  // Crop used to draw the rounded corner.
+  FloatRectProto corner_radius_crop = 48;
+
+  // length of the shadow to draw around the layer, it may be set on the
+  // layer or set by a parent layer.
+  float shadow_radius = 49;
+  ColorTransformProto color_transform = 50;
+
+  bool is_relative_of = 51;
+  // Layer's background blur radius in pixels.
+  int32 background_blur_radius = 52;
+
+  uint32 owner_uid = 53;
+
+  // Regions of a layer, where blur should be applied.
+  repeated BlurRegion blur_regions = 54;
+
+  bool is_trusted_overlay = 55;
+
+  // Corner radius explicitly set on layer rather than inherited
+  float requested_corner_radius = 56;
+
+  RectProto destination_frame = 57;
+
+  uint32 original_id = 58;
+}
+
+message PositionProto {
+  float x = 1;
+  float y = 2;
+}
+
+message FloatRectProto {
+  float left = 1;
+  float top = 2;
+  float right = 3;
+  float bottom = 4;
+}
+
+message ActiveBufferProto {
+  uint32 width = 1;
+  uint32 height = 2;
+  uint32 stride = 3;
+  int32 format = 4;
+  uint64 usage = 5;
+}
+
+message BarrierLayerProto {
+  // layer id the barrier is waiting on.
+  int32 id = 1;
+  // frame number the barrier is waiting on.
+  uint64 frame_number = 2;
+}
+
diff --git a/services/surfaceflinger/layerproto/layerstrace.proto b/services/surfaceflinger/layerproto/layerstrace.proto
new file mode 100644
index 0000000..804a499
--- /dev/null
+++ b/services/surfaceflinger/layerproto/layerstrace.proto
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+option optimize_for = LITE_RUNTIME;
+
+import "frameworks/native/services/surfaceflinger/layerproto/layers.proto";
+import "frameworks/native/services/surfaceflinger/layerproto/display.proto";
+
+package android.surfaceflinger;
+
+/* represents a file full of surface flinger trace entries.
+   Encoded, it should start with 0x4c 0x59 0x52 0x54 0x52 0x41 0x43 0x45 (.LYRTRACE), such
+   that they can be easily identified. */
+message LayersTraceFileProto {
+
+    /* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
+       (this is needed because enums have to be 32 bits and there's no nice way to put 64bit
+        constants into .proto files. */
+    enum MagicNumber {
+        INVALID = 0;
+        MAGIC_NUMBER_L = 0x5452594c;  /* LYRT (little-endian ASCII) */
+        MAGIC_NUMBER_H = 0x45434152;  /* RACE (little-endian ASCII) */
+    }
+
+    optional fixed64 magic_number = 1;  /* Must be the first field, set to value in MagicNumber */
+    repeated LayersTraceProto entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    optional fixed64 real_to_elapsed_time_offset_nanos = 3;
+}
+
+/* one layers trace entry. */
+message LayersTraceProto {
+    /* required: elapsed realtime in nanos since boot of when this entry was logged */
+    optional sfixed64 elapsed_realtime_nanos = 1;
+
+    /* where the trace originated */
+    optional string where = 2;
+
+    optional LayersProto layers = 3;
+
+    // Blob for the current HWC information for all layers, reported by dumpsys.
+    optional string hwc_blob = 4;
+
+    /* Includes state sent during composition like visible region and composition type. */
+    optional bool excludes_composition_state = 5;
+
+    /* Number of missed entries since the last entry was recorded. */
+    optional uint32 missed_entries = 6;
+
+    repeated DisplayProto displays = 7;
+
+    optional int64 vsync_id = 8;
+}
diff --git a/services/surfaceflinger/layerproto/transactions.proto b/services/surfaceflinger/layerproto/transactions.proto
new file mode 100644
index 0000000..d03afa0
--- /dev/null
+++ b/services/surfaceflinger/layerproto/transactions.proto
@@ -0,0 +1,310 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+option optimize_for = LITE_RUNTIME;
+
+import "frameworks/native/services/surfaceflinger/layerproto/common.proto";
+
+package android.surfaceflinger.proto;
+
+/* Represents a file full of surface flinger transactions.
+   Encoded, it should start with 0x54 0x4E 0x58 0x54 0x52 0x41 0x43 0x45 (.TNXTRACE), such
+   that they can be easily identified. */
+message TransactionTraceFile {
+    /* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
+       (this is needed because enums have to be 32 bits and there's no nice way to put 64bit
+        constants into .proto files. */
+    enum MagicNumber {
+        INVALID = 0;
+        MAGIC_NUMBER_L = 0x54584E54; /* TNXT (little-endian ASCII) */
+        MAGIC_NUMBER_H = 0x45434152; /* RACE (little-endian ASCII) */
+    }
+
+    fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */
+    repeated TransactionTraceEntry entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    fixed64 real_to_elapsed_time_offset_nanos = 3;
+    uint32 version = 4;
+}
+
+message TransactionTraceEntry {
+    int64 elapsed_realtime_nanos = 1;
+    int64 vsync_id = 2;
+    repeated TransactionState transactions = 3;
+    repeated LayerCreationArgs added_layers = 4;
+    repeated uint32 destroyed_layers = 5;
+    repeated DisplayState added_displays = 6;
+    repeated int32 removed_displays = 7;
+    repeated uint32 destroyed_layer_handles = 8;
+    bool displays_changed = 9;
+    repeated DisplayInfo displays = 10;
+}
+
+message DisplayInfo {
+    uint32 layer_stack = 1;
+    int32 display_id = 2;
+    int32 logical_width = 3;
+    int32 logical_height = 4;
+    Transform transform_inverse = 5;
+    Transform transform = 6;
+    bool receives_input = 7;
+    bool is_secure = 8;
+    bool is_primary = 9;
+    bool is_virtual = 10;
+    int32 rotation_flags = 11;
+    int32 transform_hint = 12;
+
+}
+
+message LayerCreationArgs {
+    uint32 layer_id = 1;
+    string name = 2;
+    uint32 flags = 3;
+    uint32 parent_id = 4;
+    uint32 mirror_from_id = 5;
+    bool add_to_root = 6;
+    uint32 layer_stack_to_mirror = 7;
+}
+
+message Transform {
+    float dsdx = 1;
+    float dtdx = 2;
+    float dtdy = 3;
+    float dsdy = 4;
+    float tx = 5;
+    float ty = 6;
+}
+
+message TransactionState {
+    int32 pid = 1;
+    int32 uid = 2;
+    int64 vsync_id = 3;
+    int32 input_event_id = 4;
+    int64 post_time = 5;
+    uint64 transaction_id = 6;
+    repeated LayerState layer_changes = 7;
+    repeated DisplayState display_changes = 8;
+    repeated uint64 merged_transaction_ids = 9;
+}
+
+// Keep insync with layer_state_t
+message LayerState {
+    uint32 layer_id = 1;
+    // Changes are split into ChangesLsb and ChangesMsb. First 32 bits are in ChangesLsb
+    // and the next 32 bits are in ChangesMsb. This is needed because enums have to be
+    // 32 bits and there's no nice way to put 64bit constants into .proto files.
+    enum ChangesLsb {
+        eChangesLsbNone = 0;
+        ePositionChanged = 0x00000001;
+        eLayerChanged = 0x00000002;
+        // unused = 0x00000004;
+        eAlphaChanged = 0x00000008;
+
+        eMatrixChanged = 0x00000010;
+        eTransparentRegionChanged = 0x00000020;
+        eFlagsChanged = 0x00000040;
+        eLayerStackChanged = 0x00000080;
+
+        eReleaseBufferListenerChanged = 0x00000400;
+        eShadowRadiusChanged = 0x00000800;
+
+        eBufferCropChanged = 0x00002000;
+        eRelativeLayerChanged = 0x00004000;
+        eReparent = 0x00008000;
+
+        eColorChanged = 0x00010000;
+        eBufferTransformChanged = 0x00040000;
+        eTransformToDisplayInverseChanged = 0x00080000;
+
+        eCropChanged = 0x00100000;
+        eBufferChanged = 0x00200000;
+        eAcquireFenceChanged = 0x00400000;
+        eDataspaceChanged = 0x00800000;
+
+        eHdrMetadataChanged = 0x01000000;
+        eSurfaceDamageRegionChanged = 0x02000000;
+        eApiChanged = 0x04000000;
+        eSidebandStreamChanged = 0x08000000;
+
+        eColorTransformChanged = 0x10000000;
+        eHasListenerCallbacksChanged = 0x20000000;
+        eInputInfoChanged = 0x40000000;
+        eCornerRadiusChanged = -2147483648; // 0x80000000; (proto stores enums as signed int)
+    };
+    enum ChangesMsb {
+        eChangesMsbNone = 0;
+        eDestinationFrameChanged = 0x1;
+        eCachedBufferChanged = 0x2;
+        eBackgroundColorChanged = 0x4;
+        eMetadataChanged = 0x8;
+        eColorSpaceAgnosticChanged = 0x10;
+        eFrameRateSelectionPriority = 0x20;
+        eFrameRateChanged = 0x40;
+        eBackgroundBlurRadiusChanged = 0x80;
+        eProducerDisconnect = 0x100;
+        eFixedTransformHintChanged = 0x200;
+        eFrameNumberChanged = 0x400;
+        eBlurRegionsChanged = 0x800;
+        eAutoRefreshChanged = 0x1000;
+        eStretchChanged = 0x2000;
+        eTrustedOverlayChanged = 0x4000;
+        eDropInputModeChanged = 0x8000;
+    };
+    uint64 what = 2;
+    float x = 3;
+    float y = 4;
+    int32 z = 5;
+    uint32 w = 6;
+    uint32 h = 7;
+    uint32 layer_stack = 8;
+
+    enum Flags {
+        eFlagsNone = 0;
+        eLayerHidden = 0x01;
+        eLayerOpaque = 0x02;
+        eLayerSkipScreenshot = 0x40;
+        eLayerSecure = 0x80;
+        eEnableBackpressure = 0x100;
+        eLayerIsDisplayDecoration = 0x200;
+    };
+    uint32 flags = 9;
+    uint32 mask = 10;
+
+    message Matrix22 {
+        float dsdx = 1;
+        float dtdx = 2;
+        float dtdy = 3;
+        float dsdy = 4;
+    };
+    Matrix22 matrix = 11;
+    float corner_radius = 12;
+    uint32 background_blur_radius = 13;
+    uint32 parent_id = 14;
+    uint32 relative_parent_id = 15;
+
+    float alpha = 16;
+    message Color3 {
+        float r = 1;
+        float g = 2;
+        float b = 3;
+    }
+    Color3 color = 17;
+    RegionProto transparent_region = 18;
+    uint32 transform = 19;
+    bool transform_to_display_inverse = 20;
+    RectProto crop = 21;
+
+    message BufferData {
+        uint64 buffer_id = 1;
+        uint32 width = 2;
+        uint32 height = 3;
+        uint64 frame_number = 4;
+
+        enum BufferDataChange {
+            BufferDataChangeNone = 0;
+            fenceChanged = 0x01;
+            frameNumberChanged = 0x02;
+            cachedBufferChanged = 0x04;
+        }
+        uint32 flags = 5;
+        uint64 cached_buffer_id = 6;
+
+        enum PixelFormat {
+            PIXEL_FORMAT_UNKNOWN = 0;
+            PIXEL_FORMAT_CUSTOM = -4;
+            PIXEL_FORMAT_TRANSLUCENT = -3;
+            PIXEL_FORMAT_TRANSPARENT = -2;
+            PIXEL_FORMAT_OPAQUE = -1;
+            PIXEL_FORMAT_RGBA_8888 = 1;
+            PIXEL_FORMAT_RGBX_8888 = 2;
+            PIXEL_FORMAT_RGB_888 = 3;
+            PIXEL_FORMAT_RGB_565 = 4;
+            PIXEL_FORMAT_BGRA_8888 = 5;
+            PIXEL_FORMAT_RGBA_5551 = 6;
+            PIXEL_FORMAT_RGBA_4444 = 7;
+            PIXEL_FORMAT_RGBA_FP16 = 22;
+            PIXEL_FORMAT_RGBA_1010102 = 43;
+            PIXEL_FORMAT_R_8 = 0x38;
+        }
+        PixelFormat pixel_format = 7;
+        uint64 usage = 8;
+    }
+    BufferData buffer_data = 22;
+    int32 api = 23;
+    bool has_sideband_stream = 24;
+    ColorTransformProto color_transform = 25;
+    repeated BlurRegion blur_regions = 26;
+
+    message WindowInfo {
+        uint32 layout_params_flags = 1;
+        int32 layout_params_type = 2;
+        RegionProto touchable_region = 3;
+        int32 surface_inset = 4;
+        bool focusable = 5; // unused
+        bool has_wallpaper = 6; // unused
+        float global_scale_factor = 7;
+        uint32 crop_layer_id = 8;
+        bool replace_touchable_region_with_crop = 9;
+        RectProto touchable_region_crop = 10;
+        Transform transform = 11;
+        uint32 input_config = 12;
+    }
+    WindowInfo window_info_handle = 27;
+    float bg_color_alpha = 28;
+    int32 bg_color_dataspace = 29;
+    bool color_space_agnostic = 30;
+    float shadow_radius = 31;
+    int32 frame_rate_selection_priority = 32;
+    float frame_rate = 33;
+    int32 frame_rate_compatibility = 34;
+    int32 change_frame_rate_strategy = 35;
+    uint32 fixed_transform_hint = 36;
+    uint64 frame_number = 37;
+    bool auto_refresh = 38;
+    bool is_trusted_overlay = 39;
+    RectProto buffer_crop = 40;
+    RectProto destination_frame = 41;
+
+    enum DropInputMode {
+        NONE = 0;
+        ALL = 1;
+        OBSCURED = 2;
+    };
+    DropInputMode drop_input_mode = 42;
+}
+
+message DisplayState {
+    enum Changes {
+        eChangesNone = 0;
+        eSurfaceChanged = 0x01;
+        eLayerStackChanged = 0x02;
+        eDisplayProjectionChanged = 0x04;
+        eDisplaySizeChanged = 0x08;
+        eFlagsChanged = 0x10;
+    };
+    int32 id = 1;
+    uint32 what = 2;
+    uint32 flags = 3;
+    uint32 layer_stack = 4;
+    uint32 orientation = 5;
+    RectProto layer_stack_space_rect = 6;
+    RectProto oriented_display_space_rect = 7;
+    uint32 width = 8;
+    uint32 height = 9;
+}