ozone: Allocate scanout buffer according to KMS modifiers

ui/ozone/platform/drm/gpu/drm_buffer.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/gpu/drm_buffer.h"
 
 #include <drm_fourcc.h>
 
 #include "base/logging.h"
 #include "third_party/skia/include/core/SkSurface.h"
@@ skipping 53 matching lines @@
   }
 
   if (should_register_framebuffer) {
     uint32_t handles[4] = {0};
     handles[0] = handle_;
     uint32_t strides[4] = {0};
     strides[0] = stride_;
     uint32_t offsets[4] = {0};
     fb_pixel_format_ = GetFourCCCodeForSkColorType(info.colorType());
     if (!drm_->AddFramebuffer2(info.width(), info.height(), fb_pixel_format_,
-                               handles, strides, offsets, &framebuffer_, 0)) {
+                               handles, strides, offsets, NULL, &framebuffer_, 0)) {

[Daniele Castagna, 2016/12/16 00:27:41]

nit: nullptr

[hoegsberg1, 2016/12/17 01:10:49]

Acknowledged.

       PLOG(ERROR) << "DrmBuffer: AddFramebuffer2: handle " << handle_;
       return false;
     }
   }
 
   surface_ = SkSurface::MakeRasterDirect(info, mmap_base_, stride_);
   if (!surface_) {
     LOG(ERROR) << "DrmBuffer: Failed to create SkSurface: handle " << handle_;
     return false;
   }
@@ skipping 23 matching lines @@
 
 const DrmDevice* DrmBuffer::GetDrmDevice() const {
   return drm_.get();
 }
 
 bool DrmBuffer::RequiresGlFinish() const {
   return false;
 }
 
 }  // namespace ui