ui/ozone/platform/dri/gbm_buffer_base.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/dri/gbm_buffer_base.h"
   6
   7 #include <gbm.h>
   8
   9 #include "base/logging.h"
  10 #include "ui/ozone/platform/dri/dri_wrapper.h"
  11
  12 namespace ui {
  13
  14 namespace {
  15
  16 // Pixel configuration for the current buffer format.
  17 // TODO(dnicoara) These will need to change once we query the hardware for
  18 // supported configurations.
  19 const uint8_t kColorDepth = 24;
  20 const uint8_t kPixelDepth = 32;
  21
  22 }  // namespace
  23
  24 GbmBufferBase::GbmBufferBase(DriWrapper* dri, gbm_bo* bo, bool scanout)
  25     : dri_(dri), bo_(bo), framebuffer_(0) {
  26   if (scanout && !dri_->AddFramebuffer(gbm_bo_get_width(bo),
  27                                        gbm_bo_get_height(bo),
  28                                        kColorDepth,
  29                                        kPixelDepth,
  30                                        gbm_bo_get_stride(bo),
  31                                        gbm_bo_get_handle(bo).u32,
  32                                        &framebuffer_))
  33     LOG(ERROR) << "Failed to register buffer";
  34 }
  35
  36 GbmBufferBase::~GbmBufferBase() {
  37   if (framebuffer_)
  38     dri_->RemoveFramebuffer(framebuffer_);
  39 }
  40
  41 uint32_t GbmBufferBase::GetFramebufferId() const {
  42   return framebuffer_;
  43 }
  44
  45 uint32_t GbmBufferBase::GetHandle() const {
  46   return gbm_bo_get_handle(bo_).u32;
  47 }
  48
  49 gfx::Size GbmBufferBase::GetSize() const {
  50   return gfx::Size(gbm_bo_get_width(bo_), gbm_bo_get_height(bo_));
  51 }
  52
  53 }  // namespace ui