gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/client/gles2_implementation_impl_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 3200 matching lines @@
 void GLES2Implementation::ReleaseTexImage2DCHROMIUM(GLenum target,
                                                     GLint imageId) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glReleaseTexImage2DCHROMIUM("
                      << GLES2Util::GetStringTextureBindTarget(target) << ", "
                      << imageId << ")");
   helper_->ReleaseTexImage2DCHROMIUM(target, imageId);
   CheckGLError();
 }
 
+void GLES2Implementation::CopyImageSubDataCHROMIUM(GLint source_image_id,
+                                                   GLint dest_texture_id,
+                                                   GLint xoffset,
+                                                   GLint yoffset,
+                                                   GLint x,
+                                                   GLint y,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLint in_fence_id,
+                                                   GLint out_fence_id) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopyImageSubDataCHROMIUM("
+                     << source_image_id << ", " << dest_texture_id << ", "
+                     << xoffset << ", " << yoffset << ", " << x << ", " << y
+                     << ", " << width << ", " << height << ", " << in_fence_id
+                     << ", " << out_fence_id << ")");
+  if (width < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM", "width < 0");
+    return;
+  }
+  if (height < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM", "height < 0");
+    return;
+  }
+  helper_->CopyImageSubDataCHROMIUM(source_image_id, dest_texture_id, xoffset,
+                                    yoffset, x, y, width, height, in_fence_id,
+                                    out_fence_id);
+  CheckGLError();
+}
+
 void GLES2Implementation::DiscardFramebufferEXT(GLenum target,
                                                 GLsizei count,
                                                 const GLenum* attachments) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDiscardFramebufferEXT("
                      << GLES2Util::GetStringEnum(target) << ", " << count
                      << ", " << static_cast<const void*>(attachments) << ")");
   GPU_CLIENT_LOG_CODE_BLOCK({
     for (GLsizei i = 0; i < count; ++i) {
       GPU_CLIENT_LOG("  " << i << ": " << attachments[0 + i * 1]);
@@ skipping 271 matching lines @@
                      << ", " << static_cast<const void*>(transform) << ")");
   size_t count = 16;
   for (size_t ii = 0; ii < count; ++ii)
     GPU_CLIENT_LOG("value[" << ii << "]: " << transform[ii]);
   helper_->UniformMatrix4fvStreamTextureMatrixCHROMIUMImmediate(
       location, transpose, transform);
   CheckGLError();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_