NotForReview: Implement zero/one-copy texture for ozone freon using Intel DRM

ui/ozone/platform/drm/ozone_platform_gbm.cc

 // 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.
 
 #include "ui/ozone/platform/drm/ozone_platform_gbm.h"
 
 #include <dlfcn.h>
 #include <gbm.h>
 #include <stdlib.h>
 
@@ skipping 61 matching lines @@
 
 class GbmBufferGenerator : public ScanoutBufferGenerator {
  public:
   GbmBufferGenerator() {}
   ~GbmBufferGenerator() override {}
 
   // ScanoutBufferGenerator:
   scoped_refptr<ScanoutBuffer> Create(const scoped_refptr<DrmDevice>& drm,
                                       const gfx::Size& size) override {
     scoped_refptr<GbmDevice> gbm(static_cast<GbmDevice*>(drm.get()));
-    return GbmBuffer::CreateBuffer(gbm, SurfaceFactoryOzone::RGBA_8888, size,
-                                   true);
+    return GbmBuffer::CreateBuffer(gbm, SurfaceFactoryOzone::BGRA_8888, size);
   }
 
  protected:
   DISALLOW_COPY_AND_ASSIGN(GbmBufferGenerator);
 };
 
 class GbmDeviceGenerator : public DrmDeviceGenerator {
  public:
   GbmDeviceGenerator() {}
   ~GbmDeviceGenerator() override {}
@@ skipping 141 matching lines @@
 OzonePlatform* CreateOzonePlatformGbm() {
   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
 #if defined(USE_MESA_PLATFORM_NULL)
   // Only works with surfaceless.
   cmd->AppendSwitch(switches::kOzoneUseSurfaceless);
 #endif
   return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
 }
 
 }  // namespace ui