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Side by Side Diff: skia/ext/platform_canvas_win.cc

Issue 10093006: Fix win32 error checking in platform_canvas_skia.cc by moving code into ... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 "base/debug/trace_event.h" 8 #include "base/debug/trace_event.h"
9 #include "skia/ext/bitmap_platform_device_win.h" 9 #include "skia/ext/bitmap_platform_device_win.h"
10 #include "skia/ext/platform_canvas.h" 10 #include "skia/ext/platform_canvas.h"
11 11
12 namespace skia { 12 namespace skia {
13 13
14 // Disable optimizations during crash analysis.
15 #pragma optimize("", off)
16
17 // Crash On Failure. |address| should be a number less than 4000.
18 #define COF(address, condition) if (!(condition)) *((int*) address) = 0
19
20 // This is called when a bitmap allocation fails, and this function tries to
21 // 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 //
26 // Note that in a sandboxed renderer this function crashes when trying to
27 // call GetProcessMemoryInfo() because it tries to load psapi.dll, which
28 // is fine but gives you a very hard to read crash dump.
29 void CrashForBitmapAllocationFailure(int w, int h, unsigned int error) {
30 // Store the extended error info in a place easy to find at debug time.
31 unsigned int diag_error = 0;
32 // If the bitmap is ginormous, then we probably can't allocate it.
33 // We use 32M pixels = 128MB @ 4 bytes per pixel.
34 const LONG_PTR kGinormousBitmapPxl = 32000000;
35 COF(1, LONG_PTR(w) * LONG_PTR(h) < kGinormousBitmapPxl);
36
37 // The maximum number of GDI objects per process is 10K. If we're very close
38 // to that, it's probably the problem.
39 const unsigned int kLotsOfGDIObjects = 9990;
40 unsigned int num_gdi_objects = GetGuiResources(GetCurrentProcess(),
41 GR_GDIOBJECTS);
42 if (num_gdi_objects == 0) {
43 diag_error = GetLastError();
44 COF(2, false);
45 }
46 COF(3, num_gdi_objects < kLotsOfGDIObjects);
47
48 // If we're using a crazy amount of virtual address space, then maybe there
49 // isn't enough for our bitmap.
50 const SIZE_T kLotsOfMem = 1500000000; // 1.5GB.
51 PROCESS_MEMORY_COUNTERS_EX pmc;
52 pmc.cb = sizeof(pmc);
53 if (!GetProcessMemoryInfo(GetCurrentProcess(),
54 reinterpret_cast<PROCESS_MEMORY_COUNTERS*>(&pmc),
55 sizeof(pmc))) {
56 diag_error = GetLastError();
57 COF(4, false);
58 }
59 COF(5, pmc.PagefileUsage < kLotsOfMem);
60 COF(6, pmc.PrivateUsage < kLotsOfMem);
61 // Ok but we are somehow out of memory?
62 COF(7, error != ERROR_NOT_ENOUGH_MEMORY);
63 }
64
65 // Crashes the process. This is called when a bitmap allocation fails but
66 // unlike its cousin CrashForBitmapAllocationFailure() it tries to detect if
67 // the issue was a non-valid shared bitmap handle.
68 void CrashIfInvalidSection(HANDLE shared_section) {
69 DWORD handle_info = 0;
70 COF(8, ::GetHandleInformation(shared_section, &handle_info) == TRUE);
71 }
72
73 // Restore the optimization options.
74 #pragma optimize("", on)
75
76 PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) { 14 PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) {
77 TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas", 15 TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
78 "width", width, "height", height); 16 "width", width, "height", height);
79 initialize(width, height, is_opaque, NULL); 17 initialize(width, height, is_opaque, NULL);
80 } 18 }
81 19
82 PlatformCanvas::PlatformCanvas(int width, 20 PlatformCanvas::PlatformCanvas(int width,
83 int height, 21 int height,
84 bool is_opaque, 22 bool is_opaque,
85 HANDLE shared_section) { 23 HANDLE shared_section) {
86 TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas", 24 TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
87 "width", width, "height", height); 25 "width", width, "height", height);
88 initialize(width, height, is_opaque, shared_section); 26 initialize(width, height, is_opaque, shared_section);
89 } 27 }
90 28
91 PlatformCanvas::~PlatformCanvas() { 29 PlatformCanvas::~PlatformCanvas() {
92 } 30 }
93 31
94 bool PlatformCanvas::initialize(int width, 32 bool PlatformCanvas::initialize(int width,
95 int height, 33 int height,
96 bool is_opaque, 34 bool is_opaque,
97 HANDLE shared_section) { 35 HANDLE shared_section) {
98 if (initializeWithDevice(BitmapPlatformDevice::Create(width, 36 if (initializeWithDevice(BitmapPlatformDevice::Create(width,
99 height, 37 height,
100 is_opaque, 38 is_opaque,
101 shared_section))) 39 shared_section)))
102 return true; 40 return true;
103 // Investigate we failed. If we know the reason, crash in a specific place. 41
104 unsigned int error = GetLastError();
105 if (shared_section)
106 CrashIfInvalidSection(shared_section);
107 CrashForBitmapAllocationFailure(width, height, error);
108 return false; 42 return false;
109 } 43 }
110 44
111 } // namespace skia 45 } // namespace skia
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