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 #include "ui/gfx/ozone/impl/file_surface_factory.h"
6
7 #include "base/bind.h"
8 #include "base/file_util.h"
9 #include "base/location.h"
10 #include "base/stl_util.h"
11 #include "base/threading/worker_pool.h"
12 #include "third_party/skia/include/core/SkBitmapDevice.h"
13 #include "third_party/skia/include/core/SkDevice.h"
14 #include "ui/gfx/codec/png_codec.h"
15
16 namespace {
17
WriteDataToFile(const base::FilePath & location,const SkBitmap & bitmap)18 void WriteDataToFile(const base::FilePath& location,
19 const SkBitmap& bitmap) {
20 std::vector<unsigned char> png_data;
21 gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
22 file_util::WriteFile(location,
23 (char*)vector_as_array(&png_data),
24 png_data.size());
25 }
26
27 }
28
29 namespace gfx {
30
FileSurfaceFactory(const base::FilePath & dump_location)31 FileSurfaceFactory::FileSurfaceFactory(
32 const base::FilePath& dump_location)
33 : location_(dump_location) {
34 CHECK(!base::DirectoryExists(location_))
35 << "Location cannot be a directory (" << location_.value() << ")";
36 CHECK(!base::PathExists(location_) || base::PathIsWritable(location_));
37 }
38
~FileSurfaceFactory()39 FileSurfaceFactory::~FileSurfaceFactory() {}
40
41 SurfaceFactoryOzone::HardwareState
InitializeHardware()42 FileSurfaceFactory::InitializeHardware() {
43 return INITIALIZED;
44 }
45
ShutdownHardware()46 void FileSurfaceFactory::ShutdownHardware() {
47 }
48
GetAcceleratedWidget()49 AcceleratedWidget FileSurfaceFactory::GetAcceleratedWidget() {
50 return 1;
51 }
52
RealizeAcceleratedWidget(AcceleratedWidget widget)53 AcceleratedWidget FileSurfaceFactory::RealizeAcceleratedWidget(
54 AcceleratedWidget widget) {
55 return 1;
56 }
57
LoadEGLGLES2Bindings(AddGLLibraryCallback add_gl_library,SetGLGetProcAddressProcCallback set_gl_get_proc_address)58 bool FileSurfaceFactory::LoadEGLGLES2Bindings(
59 AddGLLibraryCallback add_gl_library,
60 SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
61 return false;
62 }
63
AttemptToResizeAcceleratedWidget(AcceleratedWidget widget,const Rect & bounds)64 bool FileSurfaceFactory::AttemptToResizeAcceleratedWidget(
65 AcceleratedWidget widget,
66 const Rect& bounds) {
67 device_ = skia::AdoptRef(new SkBitmapDevice(SkBitmap::kARGB_8888_Config,
68 bounds.width(),
69 bounds.height()));
70 canvas_ = skia::AdoptRef(new SkCanvas(device_.get()));
71 return true;
72 }
73
SchedulePageFlip(AcceleratedWidget widget)74 bool FileSurfaceFactory::SchedulePageFlip(AcceleratedWidget widget) {
75 SkBitmap bitmap;
76 bitmap.setConfig(SkBitmap::kARGB_8888_Config,
77 device_->width(),
78 device_->height());
79
80 if (canvas_->readPixels(&bitmap, 0, 0)) {
81 base::WorkerPool::PostTask(FROM_HERE,
82 base::Bind(&WriteDataToFile, location_, bitmap),
83 true);
84 }
85 return true;
86 }
87
GetCanvasForWidget(AcceleratedWidget w)88 SkCanvas* FileSurfaceFactory::GetCanvasForWidget(AcceleratedWidget w) {
89 return canvas_.get();
90 }
91
GetVSyncProvider(AcceleratedWidget w)92 VSyncProvider* FileSurfaceFactory::GetVSyncProvider(AcceleratedWidget w) {
93 return NULL;
94 }
95
96 } // namespace gfx
97