Reduce GPU mailbox size to 16 bytes

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 12775 matching lines @@
 static_assert(offsetof(VertexAttribDivisorANGLE, divisor) == 8,
               "offset of VertexAttribDivisorANGLE divisor should be 8");
 
 struct ProduceTextureCHROMIUMImmediate {
   typedef ProduceTextureCHROMIUMImmediate ValueType;
   static const CommandId kCmdId = kProduceTextureCHROMIUMImmediate;
   static const cmd::ArgFlags kArgFlags = cmd::kAtLeastN;
   static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(1);
 
   static uint32_t ComputeDataSize() {
-    return static_cast<uint32_t>(sizeof(GLbyte) * 64);
+    return static_cast<uint32_t>(sizeof(GLbyte) * 16);
   }
 
   static uint32_t ComputeSize() {
     return static_cast<uint32_t>(sizeof(ValueType) + ComputeDataSize());
   }
 
   void SetHeader() { header.SetCmdByTotalSize<ValueType>(ComputeSize()); }
 
   void Init(GLenum _target, const GLbyte* _mailbox) {
     SetHeader();
@@ skipping 18 matching lines @@
 static_assert(offsetof(ProduceTextureCHROMIUMImmediate, target) == 4,
               "offset of ProduceTextureCHROMIUMImmediate target should be 4");
 
 struct ProduceTextureDirectCHROMIUMImmediate {
   typedef ProduceTextureDirectCHROMIUMImmediate ValueType;
   static const CommandId kCmdId = kProduceTextureDirectCHROMIUMImmediate;
   static const cmd::ArgFlags kArgFlags = cmd::kAtLeastN;
   static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(1);
 
   static uint32_t ComputeDataSize() {
-    return static_cast<uint32_t>(sizeof(GLbyte) * 64);
+    return static_cast<uint32_t>(sizeof(GLbyte) * 16);
   }
 
   static uint32_t ComputeSize() {
     return static_cast<uint32_t>(sizeof(ValueType) + ComputeDataSize());
   }
 
   void SetHeader() { header.SetCmdByTotalSize<ValueType>(ComputeSize()); }
 
   void Init(GLuint _texture, GLenum _target, const GLbyte* _mailbox) {
     SetHeader();
@@ skipping 28 matching lines @@
     offsetof(ProduceTextureDirectCHROMIUMImmediate, target) == 8,
     "offset of ProduceTextureDirectCHROMIUMImmediate target should be 8");
 
 struct ConsumeTextureCHROMIUMImmediate {
   typedef ConsumeTextureCHROMIUMImmediate ValueType;
   static const CommandId kCmdId = kConsumeTextureCHROMIUMImmediate;
   static const cmd::ArgFlags kArgFlags = cmd::kAtLeastN;
   static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(2);
 
   static uint32_t ComputeDataSize() {
-    return static_cast<uint32_t>(sizeof(GLbyte) * 64);
+    return static_cast<uint32_t>(sizeof(GLbyte) * 16);
   }
 
   static uint32_t ComputeSize() {
     return static_cast<uint32_t>(sizeof(ValueType) + ComputeDataSize());
   }
 
   void SetHeader() { header.SetCmdByTotalSize<ValueType>(ComputeSize()); }
 
   void Init(GLenum _target, const GLbyte* _mailbox) {
     SetHeader();
@@ skipping 18 matching lines @@
 static_assert(offsetof(ConsumeTextureCHROMIUMImmediate, target) == 4,
               "offset of ConsumeTextureCHROMIUMImmediate target should be 4");
 
 struct CreateAndConsumeTextureINTERNALImmediate {
   typedef CreateAndConsumeTextureINTERNALImmediate ValueType;
   static const CommandId kCmdId = kCreateAndConsumeTextureINTERNALImmediate;
   static const cmd::ArgFlags kArgFlags = cmd::kAtLeastN;
   static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(2);
 
   static uint32_t ComputeDataSize() {
-    return static_cast<uint32_t>(sizeof(GLbyte) * 64);
+    return static_cast<uint32_t>(sizeof(GLbyte) * 16);
   }
 
   static uint32_t ComputeSize() {
     return static_cast<uint32_t>(sizeof(ValueType) + ComputeDataSize());
   }
 
   void SetHeader() { header.SetCmdByTotalSize<ValueType>(ComputeSize()); }
 
   void Init(GLenum _target, GLuint _texture, const GLbyte* _mailbox) {
     SetHeader();
@@ skipping 2658 matching lines @@
 static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, x) == 4,
               "offset of SwapBuffersWithDamageCHROMIUM x should be 4");
 static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, y) == 8,
               "offset of SwapBuffersWithDamageCHROMIUM y should be 8");
 static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, width) == 12,
               "offset of SwapBuffersWithDamageCHROMIUM width should be 12");
 static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, height) == 16,
               "offset of SwapBuffersWithDamageCHROMIUM height should be 16");
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_AUTOGEN_H_