Allow binding multiple textures to one DC Layer overlay.

gpu/command_buffer/common/gles2_cmd_format_autogen.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 13919 matching lines @@
   static const CommandId kCmdId = kScheduleDCLayerCHROMIUM;
   static const cmd::ArgFlags kArgFlags = cmd::kFixed;
   static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(3);
 
   static uint32_t ComputeSize() {
     return static_cast<uint32_t>(sizeof(ValueType));  // NOLINT
   }
 
   void SetHeader() { header.SetCmd<ValueType>(); }
 
-  void Init(GLuint _contents_texture_id,
+  void Init(GLsizei _num_textures,
             GLuint _background_color,
             GLuint _edge_aa_mask,
             GLuint _filter,
             GLuint _shm_id,
             GLuint _shm_offset) {
     SetHeader();
-    contents_texture_id = _contents_texture_id;
+    num_textures = _num_textures;
     background_color = _background_color;
     edge_aa_mask = _edge_aa_mask;
     filter = _filter;
     shm_id = _shm_id;
     shm_offset = _shm_offset;
   }
 
   void* Set(void* cmd,
-            GLuint _contents_texture_id,
+            GLsizei _num_textures,
             GLuint _background_color,
             GLuint _edge_aa_mask,
             GLuint _filter,
             GLuint _shm_id,
             GLuint _shm_offset) {
-    static_cast<ValueType*>(cmd)->Init(_contents_texture_id, _background_color,
+    static_cast<ValueType*>(cmd)->Init(_num_textures, _background_color,
                                        _edge_aa_mask, _filter, _shm_id,
                                        _shm_offset);
     return NextCmdAddress<ValueType>(cmd);
   }
 
   gpu::CommandHeader header;
-  uint32_t contents_texture_id;
+  int32_t num_textures;
   uint32_t background_color;
   uint32_t edge_aa_mask;
   uint32_t filter;
   uint32_t shm_id;
   uint32_t shm_offset;
 };
 
 static_assert(sizeof(ScheduleDCLayerCHROMIUM) == 28,
               "size of ScheduleDCLayerCHROMIUM should be 28");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, header) == 0,
               "offset of ScheduleDCLayerCHROMIUM header should be 0");
-static_assert(
-    offsetof(ScheduleDCLayerCHROMIUM, contents_texture_id) == 4,
-    "offset of ScheduleDCLayerCHROMIUM contents_texture_id should be 4");
+static_assert(offsetof(ScheduleDCLayerCHROMIUM, num_textures) == 4,
+              "offset of ScheduleDCLayerCHROMIUM num_textures should be 4");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, background_color) == 8,
               "offset of ScheduleDCLayerCHROMIUM background_color should be 8");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, edge_aa_mask) == 12,
               "offset of ScheduleDCLayerCHROMIUM edge_aa_mask should be 12");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, filter) == 16,
               "offset of ScheduleDCLayerCHROMIUM filter should be 16");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, shm_id) == 20,
               "offset of ScheduleDCLayerCHROMIUM shm_id should be 20");
 static_assert(offsetof(ScheduleDCLayerCHROMIUM, shm_offset) == 24,
               "offset of ScheduleDCLayerCHROMIUM shm_offset should be 24");
@@ skipping 1945 matching lines @@
 };
 
 static_assert(sizeof(SetEnableDCLayersCHROMIUM) == 8,
               "size of SetEnableDCLayersCHROMIUM should be 8");
 static_assert(offsetof(SetEnableDCLayersCHROMIUM, header) == 0,
               "offset of SetEnableDCLayersCHROMIUM header should be 0");
 static_assert(offsetof(SetEnableDCLayersCHROMIUM, enabled) == 4,
               "offset of SetEnableDCLayersCHROMIUM enabled should be 4");
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_AUTOGEN_H_