1 /*
2 * Copyright 2011 Google Inc.
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/SkTraceMemoryDump.h"
9 #include "include/gpu/GrDirectContext.h"
10 #include "src/gpu/GrDirectContextPriv.h"
11 #include "src/gpu/GrGpu.h"
12 #include "src/gpu/GrGpuResource.h"
13 #include "src/gpu/GrGpuResourcePriv.h"
14 #include "src/gpu/GrResourceCache.h"
15 #include <atomic>
16
get_resource_cache(GrGpu * gpu)17 static inline GrResourceCache* get_resource_cache(GrGpu* gpu) {
18 SkASSERT(gpu);
19 SkASSERT(gpu->getContext());
20 SkASSERT(gpu->getContext()->priv().getResourceCache());
21 return gpu->getContext()->priv().getResourceCache();
22 }
23
GrGpuResource(GrGpu * gpu)24 GrGpuResource::GrGpuResource(GrGpu* gpu) : fGpu(gpu), fUniqueID(CreateUniqueID()) {
25 SkDEBUGCODE(fCacheArrayIndex = -1);
26 auto cache = get_resource_cache(fGpu);
27 if (cache) {
28 fGrResourceTag = cache->resourceAccess().getCurrentGrResourceTag();
29 }
30 }
31
registerWithCache(SkBudgeted budgeted)32 void GrGpuResource::registerWithCache(SkBudgeted budgeted) {
33 SkASSERT(fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable);
34 fBudgetedType = budgeted == SkBudgeted::kYes ? GrBudgetedType::kBudgeted
35 : GrBudgetedType::kUnbudgetedUncacheable;
36 this->computeScratchKey(&fScratchKey);
37 get_resource_cache(fGpu)->resourceAccess().insertResource(this);
38 }
39
registerWithCacheWrapped(GrWrapCacheable wrapType)40 void GrGpuResource::registerWithCacheWrapped(GrWrapCacheable wrapType) {
41 SkASSERT(fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable);
42 // Resources referencing wrapped objects are never budgeted. They may be cached or uncached.
43 fBudgetedType = wrapType == GrWrapCacheable::kNo ? GrBudgetedType::kUnbudgetedUncacheable
44 : GrBudgetedType::kUnbudgetedCacheable;
45 fRefsWrappedObjects = true;
46 get_resource_cache(fGpu)->resourceAccess().insertResource(this);
47 }
48
~GrGpuResource()49 GrGpuResource::~GrGpuResource() {
50 // The cache should have released or destroyed this resource.
51 SkASSERT(this->wasDestroyed());
52 }
53
release()54 void GrGpuResource::release() {
55 SkASSERT(fGpu);
56 std::lock_guard<std::mutex> lock(mutex_);
57 if (!fGpu) {
58 SkDebugf("OHOS GrGpuResource::release(), fGpu == nullptr");
59 return;
60 }
61 this->onRelease();
62 get_resource_cache(fGpu)->resourceAccess().removeResource(this);
63 fGpu = nullptr;
64 fGpuMemorySize = 0;
65 }
66
abandon()67 void GrGpuResource::abandon() {
68 if (this->wasDestroyed()) {
69 return;
70 }
71 SkASSERT(fGpu);
72 this->onAbandon();
73 get_resource_cache(fGpu)->resourceAccess().removeResource(this);
74 fGpu = nullptr;
75 fGpuMemorySize = 0;
76 }
77
dumpMemoryStatistics(SkTraceMemoryDump * traceMemoryDump) const78 void GrGpuResource::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
79 if (this->fRefsWrappedObjects && !traceMemoryDump->shouldDumpWrappedObjects()) {
80 return;
81 }
82
83 this->dumpMemoryStatisticsPriv(traceMemoryDump, this->getResourceName(),
84 this->getResourceType(), this->gpuMemorySize());
85 }
86
dumpMemoryStatisticsPriv(SkTraceMemoryDump * traceMemoryDump,const SkString & resourceName,const char * type,size_t size) const87 void GrGpuResource::dumpMemoryStatisticsPriv(SkTraceMemoryDump* traceMemoryDump,
88 const SkString& resourceName,
89 const char* type, size_t size) const {
90 const char* tag = "Scratch";
91 if (fUniqueKey.isValid()) {
92 tag = (fUniqueKey.tag() != nullptr) ? fUniqueKey.tag() : "Other";
93 }
94
95 traceMemoryDump->dumpNumericValue(resourceName.c_str(), "size", "bytes", size);
96 traceMemoryDump->dumpStringValue(resourceName.c_str(), "type", type);
97 traceMemoryDump->dumpStringValue(resourceName.c_str(), "category", tag);
98 if (this->isPurgeable()) {
99 traceMemoryDump->dumpNumericValue(resourceName.c_str(), "purgeable_size", "bytes", size);
100 }
101 if (traceMemoryDump->shouldDumpWrappedObjects()) {
102 traceMemoryDump->dumpWrappedState(resourceName.c_str(), fRefsWrappedObjects);
103 }
104
105 this->setMemoryBacking(traceMemoryDump, resourceName);
106 }
107
isPurgeable() const108 bool GrGpuResource::isPurgeable() const {
109 // Resources in the kUnbudgetedCacheable state are never purgeable when they have a unique
110 // key. The key must be removed/invalidated to make them purgeable.
111 return !this->hasRef() &&
112 this->hasNoCommandBufferUsages() &&
113 !(fBudgetedType == GrBudgetedType::kUnbudgetedCacheable && fUniqueKey.isValid());
114 }
115
hasRef() const116 bool GrGpuResource::hasRef() const { return this->internalHasRef(); }
117
hasNoCommandBufferUsages() const118 bool GrGpuResource::hasNoCommandBufferUsages() const {
119 return this->internalHasNoCommandBufferUsages();
120 }
121
getResourceName() const122 SkString GrGpuResource::getResourceName() const {
123 // Dump resource as "skia/gpu_resources/resource_#".
124 SkString resourceName("skia/gpu_resources/resource_");
125 resourceName.appendU32(this->uniqueID().asUInt());
126 return resourceName;
127 }
128
getContext() const129 const GrDirectContext* GrGpuResource::getContext() const {
130 if (fGpu) {
131 return fGpu->getContext();
132 } else {
133 return nullptr;
134 }
135 }
136
getContext()137 GrDirectContext* GrGpuResource::getContext() {
138 if (fGpu) {
139 return fGpu->getContext();
140 } else {
141 return nullptr;
142 }
143 }
144
removeUniqueKey()145 void GrGpuResource::removeUniqueKey() {
146 if (this->wasDestroyed()) {
147 return;
148 }
149 SkASSERT(fUniqueKey.isValid());
150 get_resource_cache(fGpu)->resourceAccess().removeUniqueKey(this);
151 }
152
setUniqueKey(const GrUniqueKey & key)153 void GrGpuResource::setUniqueKey(const GrUniqueKey& key) {
154 SkASSERT(this->internalHasRef());
155 SkASSERT(key.isValid());
156
157 // Uncached resources can never have a unique key, unless they're wrapped resources. Wrapped
158 // resources are a special case: the unique keys give us a weak ref so that we can reuse the
159 // same resource (rather than re-wrapping). When a wrapped resource is no longer referenced,
160 // it will always be released - it is never converted to a scratch resource.
161 if (this->resourcePriv().budgetedType() != GrBudgetedType::kBudgeted &&
162 !this->fRefsWrappedObjects) {
163 return;
164 }
165
166 if (this->wasDestroyed()) {
167 return;
168 }
169
170 get_resource_cache(fGpu)->resourceAccess().changeUniqueKey(this, key);
171 }
172
notifyARefCntIsZero(LastRemovedRef removedRef) const173 void GrGpuResource::notifyARefCntIsZero(LastRemovedRef removedRef) const {
174 if (this->wasDestroyed()) {
175 if (this->hasNoCommandBufferUsages() && !this->hasRef()) {
176 // We've already been removed from the cache. Goodbye cruel world!
177 delete this;
178 }
179 return;
180 }
181
182 GrGpuResource* mutableThis = const_cast<GrGpuResource*>(this);
183
184 get_resource_cache(fGpu)->resourceAccess().notifyARefCntReachedZero(mutableThis, removedRef);
185 }
186
removeScratchKey()187 void GrGpuResource::removeScratchKey() {
188 if (!this->wasDestroyed() && fScratchKey.isValid()) {
189 get_resource_cache(fGpu)->resourceAccess().willRemoveScratchKey(this);
190 fScratchKey.reset();
191 }
192 }
193
makeBudgeted()194 void GrGpuResource::makeBudgeted() {
195 // We should never make a wrapped resource budgeted.
196 SkASSERT(!fRefsWrappedObjects);
197 // Only wrapped resources can be in the kUnbudgetedCacheable state.
198 SkASSERT(fBudgetedType != GrBudgetedType::kUnbudgetedCacheable);
199 if (!this->wasDestroyed() && fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable) {
200 // Currently resources referencing wrapped objects are not budgeted.
201 fBudgetedType = GrBudgetedType::kBudgeted;
202 get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
203 }
204 }
205
makeUnbudgeted()206 void GrGpuResource::makeUnbudgeted() {
207 if (!this->wasDestroyed() && fBudgetedType == GrBudgetedType::kBudgeted &&
208 !fUniqueKey.isValid()) {
209 fBudgetedType = GrBudgetedType::kUnbudgetedUncacheable;
210 get_resource_cache(fGpu)->resourceAccess().didChangeBudgetStatus(this);
211 }
212 }
213
userRegisterResource()214 void GrGpuResource::userRegisterResource()
215 {
216 if (this->wasDestroyed()) {
217 return;
218 }
219 SkASSERT(!fScratchKey.isValid());
220 SkASSERT(!fUniqueKey.isValid());
221 if (fCacheArrayIndex >= 0 && fBudgetedType == GrBudgetedType::kUnbudgetedUncacheable) {
222 this->computeScratchKey(&fScratchKey);
223 makeBudgeted();
224 }
225 }
226
CreateUniqueID()227 uint32_t GrGpuResource::CreateUniqueID() {
228 static std::atomic<uint32_t> nextID{1};
229 uint32_t id;
230 do {
231 id = nextID.fetch_add(1, std::memory_order_relaxed);
232 } while (id == SK_InvalidUniqueID);
233 return id;
234 }
235
236 //////////////////////////////////////////////////////////////////////////////
237
ref(GrResourceCache * cache)238 void GrGpuResource::ProxyAccess::ref(GrResourceCache* cache) {
239 SkASSERT(cache == fResource->getContext()->priv().getResourceCache());
240 cache->resourceAccess().refResource(fResource);
241 }
242