gpu: introduce glCopySubTextureCHROMIUM

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index 49fa8721e6c401fb6258c8fca37b3e63b783b627..5b8da065b1d602dc6059d1bdfba24f39d7644cef 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -4310,6 +4310,22 @@ error::Error GLES2DecoderImpl::HandleCopyTextureCHROMIUM(
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleCopySubTextureCHROMIUM(
+    uint32_t immediate_data_size,
+    const void* cmd_data) {
+  const gles2::cmds::CopySubTextureCHROMIUM& c =
+      *static_cast<const gles2::cmds::CopySubTextureCHROMIUM*>(cmd_data);
+  (void)c;
+  GLenum target = static_cast<GLenum>(c.target);
+  GLenum source_id = static_cast<GLenum>(c.source_id);
+  GLenum dest_id = static_cast<GLenum>(c.dest_id);
+  GLint level = static_cast<GLint>(c.level);
+  GLint xoffset = static_cast<GLint>(c.xoffset);
+  GLint yoffset = static_cast<GLint>(c.yoffset);
+  DoCopySubTextureCHROMIUM(target, source_id, dest_id, level, xoffset, yoffset);
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderImpl::HandleProduceTextureCHROMIUMImmediate(
     uint32_t immediate_data_size,
     const void* cmd_data) {