ui/ozone/platform/drm/gpu/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/drm/gpu/gbm_buffer_base.h"
   6
   7 #include <gbm.h>
   8
   9 #include "base/logging.h"
  10 #include "ui/ozone/platform/drm/gpu/drm_device.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(const scoped_refptr<DrmDevice>& drm,
  25                              gbm_bo* bo,
  26                              bool scanout)
  27     : drm_(drm), bo_(bo), framebuffer_(0) {
  28   if (scanout &&
  29       !drm_->AddFramebuffer(gbm_bo_get_width(bo), gbm_bo_get_height(bo),
  30                             kColorDepth, kPixelDepth, gbm_bo_get_stride(bo),
  31                             gbm_bo_get_handle(bo).u32, &framebuffer_))
  32     PLOG(ERROR) << "Failed to register buffer";
  33 }
  34
  35 GbmBufferBase::~GbmBufferBase() {
  36   if (framebuffer_)
  37     drm_->RemoveFramebuffer(framebuffer_);
  38 }
  39
  40 uint32_t GbmBufferBase::GetFramebufferId() const {
  41   return framebuffer_;
  42 }
  43
  44 uint32_t GbmBufferBase::GetHandle() const {
  45   return gbm_bo_get_handle(bo_).u32;
  46 }
  47
  48 gfx::Size GbmBufferBase::GetSize() const {
  49   return gfx::Size(gbm_bo_get_width(bo_), gbm_bo_get_height(bo_));
  50 }
  51
  52 }  // namespace ui