1 // Copyright 2013 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 #ifndef UI_GFX_OZONE_DRI_DRI_SKBITMAP_H_ 6 #define UI_GFX_OZONE_DRI_DRI_SKBITMAP_H_ 7 8 #include "base/basictypes.h" 9 #include "third_party/skia/include/core/SkBitmap.h" 10 #include "ui/gfx/gfx_export.h" 11 12 namespace gfx { 13 14 // Extend the SkBitmap interface to keep track of additional parameters used by 15 // the DRM stack when allocating buffers. 16 class GFX_EXPORT DriSkBitmap : public SkBitmap { 17 public: 18 DriSkBitmap(int fd); 19 virtual ~DriSkBitmap(); 20 21 // Allocates the backing pixels using DRI. 22 // Return true on success, false otherwise. 23 virtual bool Initialize(); 24 get_handle()25 uint32_t get_handle() const { return handle_; }; 26 get_framebuffer()27 uint32_t get_framebuffer() const { return framebuffer_; }; 28 get_fd()29 int get_fd() const { return fd_; }; 30 31 // Return the color depth of a pixel in this buffer. 32 uint8_t GetColorDepth() const; 33 34 private: 35 friend class DriAllocator; 36 friend class HardwareDisplayController; 37 set_handle(uint32_t handle)38 void set_handle(uint32_t handle) { handle_ = handle; }; set_framebuffer(uint32_t framebuffer)39 void set_framebuffer(uint32_t framebuffer) { framebuffer_ = framebuffer; }; 40 41 // File descriptor used by the DRI allocator to request buffers from the DRI 42 // stack. 43 int fd_; 44 45 // Buffer handle used by the DRI allocator. 46 uint32_t handle_; 47 48 // Buffer ID used by the DRI modesettings API. This is set when the buffer is 49 // registered with the CRTC. 50 uint32_t framebuffer_; 51 52 DISALLOW_COPY_AND_ASSIGN(DriSkBitmap); 53 }; 54 55 } // namespace gfx 56 57 #endif // UI_GFX_OZONE_DRI_DRI_SKBITMAP_H_ 58