scanout_buffer.h revision 5f1c94371a64b3196d4be9466099bb892df9b88e
15f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// found in the LICENSE file. 45f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 55f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#ifndef UI_OZONE_PLATFORM_DRI_SCANOUT_BUFFER_H_ 65f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#define UI_OZONE_PLATFORM_DRI_SCANOUT_BUFFER_H_ 75f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 85f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include <stdint.h> 95f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/memory/ref_counted.h" 115f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "ui/gfx/geometry/size.h" 125f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 135f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)namespace ui { 145f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 155f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Abstraction for a DRM buffer that can be scanned-out of. 165f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)class ScanoutBuffer : public base::RefCounted<ScanoutBuffer> { 175f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) public: 185f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // ID allocated by the KMS API when the buffer is registered (via the handle). 195f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual uint32_t GetFramebufferId() const = 0; 205f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 215f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Handle for the buffer. This is received when allocating the buffer. 225f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual uint32_t GetHandle() const = 0; 235f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 245f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Size of the buffer. 255f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual gfx::Size GetSize() const = 0; 265f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 275f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) protected: 285f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual ~ScanoutBuffer() {} 295f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 305f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) friend class base::RefCounted<ScanoutBuffer>; 315f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)}; 325f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 335f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)class ScanoutBufferGenerator { 345f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) public: 355f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual ~ScanoutBufferGenerator() {} 365f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 375f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) virtual scoped_refptr<ScanoutBuffer> Create(const gfx::Size& size) = 0; 385f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)}; 395f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 405f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} // namespace ui 415f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 425f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#endif // UI_OZONE_PLATFORM_DRI_SCANOUT_BUFFER_H_ 43