blob: 2c432930e27b4ce175c6cbf15eb7b51a58824285 [file] [log] [blame]
// 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 <stddef.h>
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkSurface.h"
class SkCanvas;
namespace ui {
class DrmDevice;
// Wrapper for the console buffer. This is the buffer that is allocated by
// default by the system and is used when no application is controlling the
// CRTC. Keeps track of the native properties of the buffer and wraps the pixel
// memory into a SkSurface which can be used to draw into using Skia.
class DrmConsoleBuffer {
DrmConsoleBuffer(const scoped_refptr<DrmDevice>& drm, uint32_t framebuffer);
SkCanvas* canvas() { return surface_->getCanvas(); }
sk_sp<SkImage> image() { return surface_->makeImageSnapshot(); }
// Memory map the backing pixels and wrap them in |surface_|.
bool Initialize();
scoped_refptr<DrmDevice> drm_;
// Wrapper around the native pixel memory.
sk_sp<SkSurface> surface_;
// Length of a row of pixels.
uint32_t stride_ = 0;
// Buffer handle used by the DRM allocator.
uint32_t handle_ = 0;
// Buffer ID used by the DRM modesettings API.
uint32_t framebuffer_ = 0;
// Memory map base address.
void* mmap_base_ = nullptr;
// Memory map size.
size_t mmap_size_ = 0;
} // namespace ui