Add a second unsafe ES3 API in command buffer.

gpu/command_buffer/service/gles2_cmd_decoder_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 398 matching lines @@
     return error::kNoError;
   }
   if (data == NULL) {
     return error::kOutOfBounds;
   }
   DoCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height,
                             format, imageSize, data);
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleCopyBufferSubData(
+    uint32_t immediate_data_size,
+    const void* cmd_data) {
+  if (!unsafe_es3_apis_enabled())
+    return error::kUnknownCommand;
+  const gles2::cmds::CopyBufferSubData& c =
+      *static_cast<const gles2::cmds::CopyBufferSubData*>(cmd_data);
+  (void)c;
+  GLenum readtarget = static_cast<GLenum>(c.readtarget);
+  GLenum writetarget = static_cast<GLenum>(c.writetarget);
+  GLintptr readoffset = static_cast<GLintptr>(c.readoffset);
+  GLintptr writeoffset = static_cast<GLintptr>(c.writeoffset);
+  GLsizeiptr size = static_cast<GLsizeiptr>(c.size);
+  if (size < 0) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyBufferSubData", "size < 0");
+    return error::kNoError;
+  }
+  glCopyBufferSubData(readtarget, writetarget, readoffset, writeoffset, size);
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderImpl::HandleCopyTexImage2D(
     uint32_t immediate_data_size,
     const void* cmd_data) {
   const gles2::cmds::CopyTexImage2D& c =
       *static_cast<const gles2::cmds::CopyTexImage2D*>(cmd_data);
   (void)c;
   error::Error error;
   error = WillAccessBoundFramebufferForRead();
   if (error != error::kNoError)
     return error;
@@ skipping 375 matching lines @@
   if (!unsafe_es3_apis_enabled())
     return error::kUnknownCommand;
   const gles2::cmds::FramebufferTextureLayer& c =
       *static_cast<const gles2::cmds::FramebufferTextureLayer*>(cmd_data);
   (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum attachment = static_cast<GLenum>(c.attachment);
   GLuint texture = c.texture;
   GLint level = static_cast<GLint>(c.level);
   GLint layer = static_cast<GLint>(c.layer);
-  if (!validators_->frame_buffer_target.IsValid(target)) {
-    LOCAL_SET_GL_ERROR_INVALID_ENUM("glFramebufferTextureLayer", target,
-                                    "target");
-    return error::kNoError;
-  }
-  if (!validators_->attachment.IsValid(attachment)) {
-    LOCAL_SET_GL_ERROR_INVALID_ENUM("glFramebufferTextureLayer", attachment,
-                                    "attachment");
-    return error::kNoError;
-  }
   DoFramebufferTextureLayer(target, attachment, texture, level, layer);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFrontFace(uint32_t immediate_data_size,
                                                const void* cmd_data) {
   const gles2::cmds::FrontFace& c =
       *static_cast<const gles2::cmds::FrontFace*>(cmd_data);
   (void)c;
   GLenum mode = static_cast<GLenum>(c.mode);
@@ skipping 2713 matching lines @@
           state_.ignore_cached_state) {
         framebuffer_state_.clear_state_dirty = true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_