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 "GrTextureContext.h"
9 
10 #include "GrContextPriv.h"
11 #include "GrDrawingManager.h"
12 #include "GrTextureOpList.h"
13 
14 #include "../private/GrAuditTrail.h"
15 
16 #define ASSERT_SINGLE_OWNER \
17     SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(this->singleOwner());)
18 #define RETURN_FALSE_IF_ABANDONED  if (this->drawingManager()->wasAbandoned()) { return false; }
19 
20 GrTextureContext::GrTextureContext(GrContext* context,
21                                    GrDrawingManager* drawingMgr,
22                                    sk_sp<GrTextureProxy> textureProxy,
23                                    sk_sp<SkColorSpace> colorSpace,
24                                    GrAuditTrail* auditTrail,
25                                    GrSingleOwner* singleOwner)
26         : GrSurfaceContext(context, drawingMgr, textureProxy->config(), std::move(colorSpace),
27                            auditTrail, singleOwner)
28         , fTextureProxy(std::move(textureProxy))
29         , fOpList(sk_ref_sp(fTextureProxy->getLastTextureOpList())) {
30     SkDEBUGCODE(this->validate();)
31 }
32 
33 #ifdef SK_DEBUG
34 void GrTextureContext::validate() const {
35     SkASSERT(fTextureProxy);
36     fTextureProxy->validate(fContext);
37 
38     if (fOpList && !fOpList->isClosed()) {
39         SkASSERT(fTextureProxy->getLastOpList() == fOpList.get());
40     }
41 }
42 #endif
43 
44 GrTextureContext::~GrTextureContext() {
45     ASSERT_SINGLE_OWNER
46 }
47 
48 GrRenderTargetProxy* GrTextureContext::asRenderTargetProxy() {
49     // If the proxy can return an RTProxy it should've been wrapped in a RTContext
50     SkASSERT(!fTextureProxy->asRenderTargetProxy());
51     return nullptr;
52 }
53 
54 sk_sp<GrRenderTargetProxy> GrTextureContext::asRenderTargetProxyRef() {
55     // If the proxy can return an RTProxy it should've been wrapped in a RTContext
56     SkASSERT(!fTextureProxy->asRenderTargetProxy());
57     return nullptr;
58 }
59 
60 GrOpList* GrTextureContext::getOpList() {
61     ASSERT_SINGLE_OWNER
62     SkDEBUGCODE(this->validate();)
63 
64     if (!fOpList || fOpList->isClosed()) {
65         fOpList = this->drawingManager()->newTextureOpList(fTextureProxy.get());
66     }
67 
68     return fOpList.get();
69 }
70