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1 /*
2  * Copyright 2016 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 "src/gpu/GrTextureProxy.h"
9 #include "src/gpu/GrTextureProxyPriv.h"
10 
11 #include "include/gpu/GrContext.h"
12 #include "src/gpu/GrContextPriv.h"
13 #include "src/gpu/GrDeferredProxyUploader.h"
14 #include "src/gpu/GrProxyProvider.h"
15 #include "src/gpu/GrSurfacePriv.h"
16 #include "src/gpu/GrTexturePriv.h"
17 
18 // Deferred version - no data
GrTextureProxy(const GrBackendFormat & format,SkISize dimensions,GrMipMapped mipMapped,GrMipMapsStatus mipMapsStatus,const GrSwizzle & textureSwizzle,SkBackingFit fit,SkBudgeted budgeted,GrProtected isProtected,GrInternalSurfaceFlags surfaceFlags,UseAllocator useAllocator)19 GrTextureProxy::GrTextureProxy(const GrBackendFormat& format,
20                                SkISize dimensions,
21                                GrMipMapped mipMapped,
22                                GrMipMapsStatus mipMapsStatus,
23                                const GrSwizzle& textureSwizzle,
24                                SkBackingFit fit,
25                                SkBudgeted budgeted,
26                                GrProtected isProtected,
27                                GrInternalSurfaceFlags surfaceFlags,
28                                UseAllocator useAllocator)
29         : INHERITED(format, dimensions, GrRenderable::kNo, textureSwizzle, fit, budgeted,
30                     isProtected, surfaceFlags, useAllocator)
31         , fMipMapped(mipMapped)
32         , fMipMapsStatus(mipMapsStatus) SkDEBUGCODE(, fInitialMipMapsStatus(fMipMapsStatus))
33         , fProxyProvider(nullptr)
34         , fDeferredUploader(nullptr) {
35     SkASSERT(!(fSurfaceFlags & GrInternalSurfaceFlags::kFramebufferOnly));
36 }
37 
38 // Lazy-callback version
GrTextureProxy(LazyInstantiateCallback && callback,const GrBackendFormat & format,SkISize dimensions,GrMipMapped mipMapped,GrMipMapsStatus mipMapsStatus,const GrSwizzle & texSwizzle,SkBackingFit fit,SkBudgeted budgeted,GrProtected isProtected,GrInternalSurfaceFlags surfaceFlags,UseAllocator useAllocator)39 GrTextureProxy::GrTextureProxy(LazyInstantiateCallback&& callback,
40                                const GrBackendFormat& format,
41                                SkISize dimensions,
42                                GrMipMapped mipMapped,
43                                GrMipMapsStatus mipMapsStatus,
44                                const GrSwizzle& texSwizzle,
45                                SkBackingFit fit,
46                                SkBudgeted budgeted,
47                                GrProtected isProtected,
48                                GrInternalSurfaceFlags surfaceFlags,
49                                UseAllocator useAllocator)
50         : INHERITED(std::move(callback), format, dimensions, GrRenderable::kNo, texSwizzle, fit,
51                     budgeted, isProtected, surfaceFlags, useAllocator)
52         , fMipMapped(mipMapped)
53         , fMipMapsStatus(mipMapsStatus) SkDEBUGCODE(, fInitialMipMapsStatus(fMipMapsStatus))
54         , fProxyProvider(nullptr)
55         , fDeferredUploader(nullptr) {
56     SkASSERT(!(fSurfaceFlags & GrInternalSurfaceFlags::kFramebufferOnly));
57 }
58 
59 // Wrapped version
GrTextureProxy(sk_sp<GrSurface> surf,const GrSwizzle & textureSwizzle,UseAllocator useAllocator)60 GrTextureProxy::GrTextureProxy(sk_sp<GrSurface> surf,
61                                const GrSwizzle& textureSwizzle,
62                                UseAllocator useAllocator)
63         : INHERITED(std::move(surf), textureSwizzle, SkBackingFit::kExact, useAllocator)
64         , fMipMapped(fTarget->asTexture()->texturePriv().mipMapped())
65         , fMipMapsStatus(fTarget->asTexture()->texturePriv().mipMapsStatus())
66                   SkDEBUGCODE(, fInitialMipMapsStatus(fMipMapsStatus))
67         , fProxyProvider(nullptr)
68         , fDeferredUploader(nullptr) {
69     if (fTarget->getUniqueKey().isValid()) {
70         fProxyProvider = fTarget->asTexture()->getContext()->priv().proxyProvider();
71         fProxyProvider->adoptUniqueKeyFromSurface(this, fTarget.get());
72     }
73 }
74 
~GrTextureProxy()75 GrTextureProxy::~GrTextureProxy() {
76     // Due to the order of cleanup the GrSurface this proxy may have wrapped may have gone away
77     // at this point. Zero out the pointer so the cache invalidation code doesn't try to use it.
78     fTarget = nullptr;
79 
80     // In DDL-mode, uniquely keyed proxies keep their key even after their originating
81     // proxy provider has gone away. In that case there is noone to send the invalid key
82     // message to (Note: in this case we don't want to remove its cached resource).
83     if (fUniqueKey.isValid() && fProxyProvider) {
84         fProxyProvider->processInvalidUniqueKey(fUniqueKey, this,
85                                                 GrProxyProvider::InvalidateGPUResource::kNo);
86     } else {
87         SkASSERT(!fProxyProvider);
88     }
89 }
90 
instantiate(GrResourceProvider * resourceProvider)91 bool GrTextureProxy::instantiate(GrResourceProvider* resourceProvider) {
92     if (this->isLazy()) {
93         return false;
94     }
95     if (!this->instantiateImpl(resourceProvider, 1, GrRenderable::kNo, fMipMapped,
96                                fUniqueKey.isValid() ? &fUniqueKey : nullptr)) {
97         return false;
98     }
99 
100     SkASSERT(!this->peekRenderTarget());
101     SkASSERT(this->peekTexture());
102     return true;
103 }
104 
createSurface(GrResourceProvider * resourceProvider) const105 sk_sp<GrSurface> GrTextureProxy::createSurface(GrResourceProvider* resourceProvider) const {
106     sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, 1, GrRenderable::kNo,
107                                                        fMipMapped);
108     if (!surface) {
109         return nullptr;
110     }
111 
112     SkASSERT(!surface->asRenderTarget());
113     SkASSERT(surface->asTexture());
114     return surface;
115 }
116 
setDeferredUploader(std::unique_ptr<GrDeferredProxyUploader> uploader)117 void GrTextureProxyPriv::setDeferredUploader(std::unique_ptr<GrDeferredProxyUploader> uploader) {
118     SkASSERT(!fTextureProxy->fDeferredUploader);
119     fTextureProxy->fDeferredUploader = std::move(uploader);
120 }
121 
scheduleUpload(GrOpFlushState * flushState)122 void GrTextureProxyPriv::scheduleUpload(GrOpFlushState* flushState) {
123     // The texture proxy's contents may already have been uploaded or instantiation may have failed
124     if (fTextureProxy->fDeferredUploader && fTextureProxy->isInstantiated()) {
125         fTextureProxy->fDeferredUploader->scheduleUpload(flushState, fTextureProxy);
126     }
127 }
128 
resetDeferredUploader()129 void GrTextureProxyPriv::resetDeferredUploader() {
130     SkASSERT(fTextureProxy->fDeferredUploader);
131     fTextureProxy->fDeferredUploader.reset();
132 }
133 
mipMapped() const134 GrMipMapped GrTextureProxy::mipMapped() const {
135     if (this->isInstantiated()) {
136         return this->peekTexture()->texturePriv().mipMapped();
137     }
138     return fMipMapped;
139 }
140 
onUninstantiatedGpuMemorySize(const GrCaps & caps) const141 size_t GrTextureProxy::onUninstantiatedGpuMemorySize(const GrCaps& caps) const {
142     return GrSurface::ComputeSize(caps, this->backendFormat(), this->dimensions(), 1,
143                                   this->proxyMipMapped(), !this->priv().isExact());
144 }
145 
HighestFilterMode(GrTextureType textureType)146 GrSamplerState::Filter GrTextureProxy::HighestFilterMode(GrTextureType textureType) {
147     return GrTextureTypeHasRestrictedSampling(textureType) ? GrSamplerState::Filter::kBilerp
148                                                            : GrSamplerState::Filter::kMipMap;
149 }
150 
ProxiesAreCompatibleAsDynamicState(const GrSurfaceProxy * first,const GrSurfaceProxy * second)151 bool GrTextureProxy::ProxiesAreCompatibleAsDynamicState(const GrSurfaceProxy* first,
152                                                         const GrSurfaceProxy* second) {
153     // In order to be compatible, the proxies should also have the same texture type. This is
154     // checked explicitly since the GrBackendFormat == operator does not compare texture type
155     return first->backendFormat().textureType() == second->backendFormat().textureType() &&
156            first->backendFormat() == second->backendFormat();
157 }
158 
setUniqueKey(GrProxyProvider * proxyProvider,const GrUniqueKey & key)159 void GrTextureProxy::setUniqueKey(GrProxyProvider* proxyProvider, const GrUniqueKey& key) {
160     SkASSERT(key.isValid());
161     SkASSERT(!fUniqueKey.isValid()); // proxies can only ever get one uniqueKey
162 
163     if (fTarget && fSyncTargetKey) {
164         if (!fTarget->getUniqueKey().isValid()) {
165             fTarget->resourcePriv().setUniqueKey(key);
166         }
167         SkASSERT(fTarget->getUniqueKey() == key);
168     }
169 
170     fUniqueKey = key;
171     fProxyProvider = proxyProvider;
172 }
173 
clearUniqueKey()174 void GrTextureProxy::clearUniqueKey() {
175     fUniqueKey.reset();
176     fProxyProvider = nullptr;
177 }
178 
179 #ifdef SK_DEBUG
onValidateSurface(const GrSurface * surface)180 void GrTextureProxy::onValidateSurface(const GrSurface* surface) {
181     SkASSERT(!surface->asRenderTarget());
182 
183     // Anything that is checked here should be duplicated in GrTextureRenderTargetProxy's version
184     SkASSERT(surface->asTexture());
185     // It is possible to fulfill a non-mipmapped proxy with a mipmapped texture.
186     SkASSERT(GrMipMapped::kNo == this->proxyMipMapped() ||
187              GrMipMapped::kYes == surface->asTexture()->texturePriv().mipMapped());
188 
189     SkASSERT(surface->asTexture()->texturePriv().textureType() == this->textureType());
190 
191     GrInternalSurfaceFlags proxyFlags = fSurfaceFlags;
192     GrInternalSurfaceFlags surfaceFlags = surface->surfacePriv().flags();
193     SkASSERT(((int)proxyFlags & kGrInternalTextureFlagsMask) ==
194              ((int)surfaceFlags & kGrInternalTextureFlagsMask));
195 }
196 
197 #endif
198 
199