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| 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 #ifndef UI_OZONE_PLATFORM_DRI_DRI_CONSOLE_BUFFER_H_ | |
| 6 #define UI_OZONE_PLATFORM_DRI_DRI_CONSOLE_BUFFER_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 #include "skia/ext/refptr.h" | |
| 10 #include "third_party/skia/include/core/SkSurface.h" | |
| 11 | |
| 12 class SkCanvas; | |
| 13 | |
| 14 namespace ui { | |
| 15 | |
| 16 class DriWrapper; | |
| 17 | |
| 18 // Wrapper for the console buffer. This is the buffer that is allocated by | |
| 19 // default by the system and is used when no application is controlling the | |
| 20 // CRTC. Keeps track of the native properties of the buffer and wraps the pixel | |
| 21 // memory into a SkSurface which can be used to draw into using Skia. | |
| 22 class DriConsoleBuffer { | |
| 23 public: | |
| 24 DriConsoleBuffer(DriWrapper* dri, uint32_t framebuffer); | |
| 25 ~DriConsoleBuffer(); | |
| 26 | |
| 27 SkCanvas* canvas() { return surface_->getCanvas(); } | |
| 28 | |
| 29 // Memory map the backing pixels and wrap them in |surface_|. | |
| 30 bool Initialize(); | |
| 31 | |
| 32 protected: | |
| 33 DriWrapper* dri_; // Not owned. | |
| 34 | |
| 35 // Wrapper around the native pixel memory. | |
| 36 skia::RefPtr<SkSurface> surface_; | |
| 37 | |
| 38 // Length of a row of pixels. | |
| 39 uint32_t stride_; | |
| 40 | |
| 41 // Buffer handle used by the DRM allocator. | |
| 42 uint32_t handle_; | |
| 43 | |
| 44 // Buffer ID used by the DRM modesettings API. | |
| 45 uint32_t framebuffer_; | |
| 46 | |
| 47 // Memory map base address. | |
| 48 void* mmap_base_; | |
| 49 | |
| 50 // Memory map size. | |
| 51 size_t mmap_size_; | |
| 52 | |
| 53 DISALLOW_COPY_AND_ASSIGN(DriConsoleBuffer); | |
| 54 }; | |
| 55 | |
| 56 } // namespace ui | |
| 57 | |
| 58 #endif // UI_OZONE_PLATFORM_DRI_DRI_CONSOLE_BUFFER_H_ | |
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