Force CUBE_MAP_POSITIVE_X texture allocation before CopyTexImage2D on Intel Mac

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2012 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 13272 matching lines @@
       glCopyTexImage2D(dest_texture_target, level, final_internal_format, 0, 0,
                        copyWidth, copyHeight, 0);
 
       // Rebind source texture.
       glFramebufferTexture2DEXT(framebuffer_target, GL_COLOR_ATTACHMENT0,
                                 source_texture_target,
                                 source_texture_service_id, 0);
 
       glDeleteTextures(1, &temp_texture);
     } else {
+      if (workarounds().do_teximage_before_copyteximage_to_cube_map &&
+          texture->target() == GL_TEXTURE_CUBE_MAP) {
+        TextureManager::DoTexImageArguments args = {
+          target, level, final_internal_format, width, height, 1, border,
+          format, type, nullptr, pixels_size, 0,
+          TextureManager::DoTexImageArguments::kTexImage2D };
+        texture_manager()->WorkaroundCopyTexImageCubeMap(&texture_state_,
+            &state_, &framebuffer_state_, texture_ref, func_name, args);
+      }
       glCopyTexImage2D(target, level, final_internal_format, copyX, copyY,
                        copyWidth, copyHeight, border);
     }
   }
   GLenum error = LOCAL_PEEK_GL_ERROR(func_name);
   if (error == GL_NO_ERROR) {
     texture_manager()->SetLevelInfo(texture_ref, target, level, internal_format,
                                     width, height, 1, border, format,
                                     type, gfx::Rect(width, height));
     texture->ApplyFormatWorkarounds(feature_info_.get());
@@ skipping 4691 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu