gpu: Extend CopyTextureCHROMIUM with support for copying part of source texture.

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 3190 matching lines @@
                      << GLES2Util::GetStringPixelType(dest_type) << ")");
   helper_->CopyTextureCHROMIUM(target, source_id, dest_id, internalformat,
                                dest_type);
   CheckGLError();
 }
 
 void GLES2Implementation::CopySubTextureCHROMIUM(GLenum target,
                                                  GLenum source_id,
                                                  GLenum dest_id,
                                                  GLint xoffset,
-                                                 GLint yoffset) {
+                                                 GLint yoffset,
+                                                 GLint x,
+                                                 GLint y,
+                                                 GLsizei width,
+                                                 GLsizei height) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopySubTextureCHROMIUM("
                      << GLES2Util::GetStringEnum(target) << ", "
                      << GLES2Util::GetStringEnum(source_id) << ", "
                      << GLES2Util::GetStringEnum(dest_id) << ", " << xoffset
-                     << ", " << yoffset << ")");
-  helper_->CopySubTextureCHROMIUM(target, source_id, dest_id, xoffset, yoffset);
+                     << ", " << yoffset << ", " << x << ", " << y << ", "
+                     << width << ", " << height << ")");
+  if (width < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopySubTextureCHROMIUM", "width < 0");
+    return;
+  }
+  if (height < 0) {
+    SetGLError(GL_INVALID_VALUE, "glCopySubTextureCHROMIUM", "height < 0");
+    return;
+  }
+  helper_->CopySubTextureCHROMIUM(target, source_id, dest_id, xoffset, yoffset,
+                                  x, y, width, height);
   CheckGLError();
 }
 
 void GLES2Implementation::GenValuebuffersCHROMIUM(GLsizei n, GLuint* buffers) {
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenValuebuffersCHROMIUM(" << n
                      << ", " << static_cast<const void*>(buffers) << ")");
   if (n < 0) {
     SetGLError(GL_INVALID_VALUE, "glGenValuebuffersCHROMIUM", "n < 0");
     return;
   }
@@ skipping 231 matching lines @@
 
 void GLES2Implementation::BlendBarrierKHR() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendBarrierKHR("
                      << ")");
   helper_->BlendBarrierKHR();
   CheckGLError();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_