OLD | NEW |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <windows.h> | 5 #include <windows.h> |
6 #include <psapi.h> | 6 #include <psapi.h> |
7 | 7 |
8 #include "skia/ext/bitmap_platform_device_win.h" | 8 #include "skia/ext/bitmap_platform_device_win.h" |
9 | 9 |
10 #include "base/logging.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/process_util.h" | |
13 #include "skia/ext/bitmap_platform_device_data.h" | 10 #include "skia/ext/bitmap_platform_device_data.h" |
14 #include "third_party/skia/include/core/SkMatrix.h" | 11 #include "third_party/skia/include/core/SkMatrix.h" |
15 #include "third_party/skia/include/core/SkRefCnt.h" | 12 #include "third_party/skia/include/core/SkRefCnt.h" |
16 #include "third_party/skia/include/core/SkRegion.h" | 13 #include "third_party/skia/include/core/SkRegion.h" |
17 #include "third_party/skia/include/core/SkUtils.h" | 14 #include "third_party/skia/include/core/SkUtils.h" |
18 | 15 |
19 namespace { | |
20 // Crashes the process. This is called when a bitmap allocation fails, and this | |
21 // function tries to determine why it might have failed, and crash on different | |
22 // lines. This allows us to see in crash dumps the most likely reason for the | |
23 // failure. It takes the size of the bitmap we were trying to allocate as its | |
24 // arguments so we can check that as well. | |
25 // Bitmap allocation failures are occuring under conditions outside of GDI and | |
26 // address space pressure, so we only crash when resources are not low. | |
27 void CrashForBitmapAllocationFailure(int w, int h) { | |
28 | |
29 DWORD last_error = GetLastError(); | |
30 | |
31 // The maximum number of GDI objects per process is 10K. If we're very close | |
32 // to that, it's probably the problem. | |
33 const int kLotsOfGDIObjs = 9990; | |
34 if (GetGuiResources(GetCurrentProcess(), GR_GDIOBJECTS) > kLotsOfGDIObjs) | |
35 return; | |
36 | |
37 // If the bitmap is ginormous, then we probably can't allocate it. | |
38 // We use 64M pixels. | |
39 const int64 kGinormousBitmapPxl = 64000000; | |
40 if (static_cast<int64>(w) * static_cast<int64>(h) > kGinormousBitmapPxl) | |
41 return; | |
42 | |
43 // If we're using a crazy amount of virtual address space, then maybe there | |
44 // isn't enough for our bitmap. | |
45 const int64 kLotsOfMem = 1500000000; // 1.5GB. | |
46 scoped_ptr<base::ProcessMetrics> process_metrics( | |
47 base::ProcessMetrics::CreateProcessMetrics(GetCurrentProcess())); | |
48 if (process_metrics->GetPagefileUsage() > kLotsOfMem) | |
49 return; | |
50 | |
51 LPVOID lpMsgBuf = NULL; | |
52 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | | |
53 FORMAT_MESSAGE_FROM_SYSTEM | | |
54 FORMAT_MESSAGE_IGNORE_INSERTS, | |
55 NULL, | |
56 last_error, | |
57 0, | |
58 reinterpret_cast<LPTSTR>(&lpMsgBuf), | |
59 0, | |
60 NULL); | |
61 | |
62 CHECK(NO_ERROR == last_error); | |
63 LocalFree(lpMsgBuf); | |
64 } | |
65 | |
66 } | |
67 | |
68 namespace skia { | 16 namespace skia { |
69 | 17 |
70 BitmapPlatformDevice::BitmapPlatformDeviceData::BitmapPlatformDeviceData( | 18 BitmapPlatformDevice::BitmapPlatformDeviceData::BitmapPlatformDeviceData( |
71 HBITMAP hbitmap) | 19 HBITMAP hbitmap) |
72 : bitmap_context_(hbitmap), | 20 : bitmap_context_(hbitmap), |
73 hdc_(NULL), | 21 hdc_(NULL), |
74 config_dirty_(true) { // Want to load the config next time. | 22 config_dirty_(true) { // Want to load the config next time. |
75 // Initialize the clip region to the entire bitmap. | 23 // Initialize the clip region to the entire bitmap. |
76 BITMAP bitmap_data; | 24 BITMAP bitmap_data; |
77 if (GetObject(bitmap_context_, sizeof(BITMAP), &bitmap_data)) { | 25 if (GetObject(bitmap_context_, sizeof(BITMAP), &bitmap_data)) { |
(...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
162 hdr.biPlanes = 1; | 110 hdr.biPlanes = 1; |
163 hdr.biBitCount = 32; | 111 hdr.biBitCount = 32; |
164 hdr.biCompression = BI_RGB; // no compression | 112 hdr.biCompression = BI_RGB; // no compression |
165 hdr.biSizeImage = 0; | 113 hdr.biSizeImage = 0; |
166 hdr.biXPelsPerMeter = 1; | 114 hdr.biXPelsPerMeter = 1; |
167 hdr.biYPelsPerMeter = 1; | 115 hdr.biYPelsPerMeter = 1; |
168 hdr.biClrUsed = 0; | 116 hdr.biClrUsed = 0; |
169 hdr.biClrImportant = 0; | 117 hdr.biClrImportant = 0; |
170 | 118 |
171 void* data = NULL; | 119 void* data = NULL; |
172 | |
173 // Force the last error to success so that we can accurately track failures | |
174 // in CrashForBitmapAllocationFailure. | |
175 SetLastError(ERROR_SUCCESS); | |
176 HBITMAP hbitmap = CreateDIBSection(screen_dc, | 120 HBITMAP hbitmap = CreateDIBSection(screen_dc, |
177 reinterpret_cast<BITMAPINFO*>(&hdr), 0, | 121 reinterpret_cast<BITMAPINFO*>(&hdr), 0, |
178 &data, | 122 &data, |
179 shared_section, 0); | 123 shared_section, 0); |
180 if (!hbitmap) { | 124 if (!hbitmap) { |
181 CrashForBitmapAllocationFailure(width, height); | |
182 return NULL; | 125 return NULL; |
183 } | 126 } |
184 | 127 |
185 bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); | 128 bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); |
186 bitmap.setPixels(data); | 129 bitmap.setPixels(data); |
187 bitmap.setIsOpaque(is_opaque); | 130 bitmap.setIsOpaque(is_opaque); |
188 | 131 |
189 // If we were given data, then don't clobber it! | 132 // If we were given data, then don't clobber it! |
190 if (!shared_section) { | 133 if (!shared_section) { |
191 if (is_opaque) { | 134 if (is_opaque) { |
(...skipping 121 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
313 } | 256 } |
314 | 257 |
315 SkDevice* BitmapPlatformDevice::onCreateCompatibleDevice( | 258 SkDevice* BitmapPlatformDevice::onCreateCompatibleDevice( |
316 SkBitmap::Config config, int width, int height, bool isOpaque, | 259 SkBitmap::Config config, int width, int height, bool isOpaque, |
317 Usage /*usage*/) { | 260 Usage /*usage*/) { |
318 SkASSERT(config == SkBitmap::kARGB_8888_Config); | 261 SkASSERT(config == SkBitmap::kARGB_8888_Config); |
319 return BitmapPlatformDevice::create(width, height, isOpaque, NULL); | 262 return BitmapPlatformDevice::create(width, height, isOpaque, NULL); |
320 } | 263 } |
321 | 264 |
322 } // namespace skia | 265 } // namespace skia |
OLD | NEW |