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

ui/ozone/platform/drm/gpu/gbm_buffer_base.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/gbm_buffer_base.h"
 
 #include <gbm.h>
 
 #include "base/logging.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
 
 namespace ui {
 
 namespace {
 
 // Pixel configuration for the current buffer format.
 // TODO(dnicoara) These will need to change once we query the hardware for
 // supported configurations.
 const uint8_t kColorDepth = 24;
 const uint8_t kPixelDepth = 32;
 
 }  // namespace
 
-GbmBufferBase::GbmBufferBase(const scoped_refptr<DrmDevice>& drm,
-                             gbm_bo* bo,
-                             bool scanout)
+GbmBufferBase::GbmBufferBase(const scoped_refptr<DrmDevice>& drm, gbm_bo* bo)
     : drm_(drm), bo_(bo), framebuffer_(0) {
-  if (scanout &&
-      !drm_->AddFramebuffer(gbm_bo_get_width(bo), gbm_bo_get_height(bo),
+  if (!drm_->AddFramebuffer(gbm_bo_get_width(bo), gbm_bo_get_height(bo),
                             kColorDepth, kPixelDepth, gbm_bo_get_stride(bo),
                             gbm_bo_get_handle(bo).u32, &framebuffer_))
     PLOG(ERROR) << "Failed to register buffer";
 }
 
 GbmBufferBase::~GbmBufferBase() {
   if (framebuffer_)
     drm_->RemoveFramebuffer(framebuffer_);
 }
 
 uint32_t GbmBufferBase::GetFramebufferId() const {
   return framebuffer_;
 }
 
 uint32_t GbmBufferBase::GetHandle() const {
   return gbm_bo_get_handle(bo_).u32;
 }
 
 gfx::Size GbmBufferBase::GetSize() const {
   return gfx::Size(gbm_bo_get_width(bo_), gbm_bo_get_height(bo_));
 }
 
 }  // namespace ui