xref: /aosp_15_r20/external/skia/src/core/SkGraphics.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
1 /*
2  * Copyright 2006 The Android Open Source Project
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "include/core/SkGraphics.h"
9 
10 #include "src/core/SkBitmapProcState.h"
11 #include "src/core/SkBlitMask.h"
12 #include "src/core/SkBlitRow.h"
13 #include "src/core/SkCpu.h"
14 #include "src/core/SkImageFilter_Base.h"
15 #include "src/core/SkMemset.h"
16 #include "src/core/SkOpts.h"
17 #include "src/core/SkResourceCache.h"
18 #include "src/core/SkStrikeCache.h"
19 #include "src/core/SkSwizzlePriv.h"
20 #include "src/core/SkTypefaceCache.h"
21 
Init()22 void SkGraphics::Init() {
23     // SkGraphics::Init() must be thread-safe and idempotent.
24     SkCpu::CacheRuntimeFeatures();
25     SkOpts::Init();
26     SkOpts::Init_BitmapProcState();
27     SkOpts::Init_BlitMask();
28     SkOpts::Init_BlitRow();
29     SkOpts::Init_Memset();
30     SkOpts::Init_Swizzler();
31 }
32 
33 ///////////////////////////////////////////////////////////////////////////////
34 
DumpMemoryStatistics(SkTraceMemoryDump * dump)35 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
36   SkResourceCache::DumpMemoryStatistics(dump);
37   SkStrikeCache::DumpMemoryStatistics(dump);
38 }
39 
PurgeAllCaches()40 void SkGraphics::PurgeAllCaches() {
41     SkGraphics::PurgeFontCache();
42     SkGraphics::PurgeResourceCache();
43     SkImageFilter_Base::PurgeCache();
44 }
45 
46 ///////////////////////////////////////////////////////////////////////////////
47 
GetFontCacheLimit()48 size_t SkGraphics::GetFontCacheLimit() {
49     return SkStrikeCache::GlobalStrikeCache()->getCacheSizeLimit();
50 }
51 
SetFontCacheLimit(size_t bytes)52 size_t SkGraphics::SetFontCacheLimit(size_t bytes) {
53     return SkStrikeCache::GlobalStrikeCache()->setCacheSizeLimit(bytes);
54 }
55 
GetFontCacheUsed()56 size_t SkGraphics::GetFontCacheUsed() {
57     return SkStrikeCache::GlobalStrikeCache()->getTotalMemoryUsed();
58 }
59 
GetFontCacheCountLimit()60 int SkGraphics::GetFontCacheCountLimit() {
61     return SkStrikeCache::GlobalStrikeCache()->getCacheCountLimit();
62 }
63 
SetFontCacheCountLimit(int count)64 int SkGraphics::SetFontCacheCountLimit(int count) {
65     return SkStrikeCache::GlobalStrikeCache()->setCacheCountLimit(count);
66 }
67 
GetFontCacheCountUsed()68 int SkGraphics::GetFontCacheCountUsed() {
69     return SkStrikeCache::GlobalStrikeCache()->getCacheCountUsed();
70 }
71 
PurgeFontCache()72 void SkGraphics::PurgeFontCache() {
73     SkStrikeCache::GlobalStrikeCache()->purgeAll();
74     SkTypefaceCache::PurgeAll();
75 }
76 
PurgePinnedFontCache()77 void SkGraphics::PurgePinnedFontCache() {
78     SkStrikeCache::GlobalStrikeCache()->purgePinned();
79 }
80 
81 static int gTypefaceCacheCountLimit = 1024; // historical default value
82 
GetTypefaceCacheCountLimit()83 int SkGraphics::GetTypefaceCacheCountLimit() {
84     return gTypefaceCacheCountLimit;
85 }
86 
SetTypefaceCacheCountLimit(int count)87 int SkGraphics::SetTypefaceCacheCountLimit(int count) {
88     const int prev = gTypefaceCacheCountLimit;
89     gTypefaceCacheCountLimit = count;
90     return prev;
91 }
92 
93 static SkGraphics::OpenTypeSVGDecoderFactory gSVGDecoderFactory = nullptr;
94 
95 SkGraphics::OpenTypeSVGDecoderFactory
SetOpenTypeSVGDecoderFactory(OpenTypeSVGDecoderFactory svgDecoderFactory)96 SkGraphics::SetOpenTypeSVGDecoderFactory(OpenTypeSVGDecoderFactory svgDecoderFactory) {
97     OpenTypeSVGDecoderFactory old(gSVGDecoderFactory);
98     gSVGDecoderFactory = svgDecoderFactory;
99     return old;
100 }
101 
GetOpenTypeSVGDecoderFactory()102 SkGraphics::OpenTypeSVGDecoderFactory SkGraphics::GetOpenTypeSVGDecoderFactory() {
103     return gSVGDecoderFactory;
104 }
105