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1 /*
2  * Copyright 2018 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/SkDeferredDisplayList.h"
9 
10 #include "include/core/SkRefCnt.h"
11 #include "include/core/SkTypes.h"
12 #include "src/core/SkArenaAlloc.h"
13 #include <utility>
14 class SkSurfaceCharacterization;
15 
16 #if SK_SUPPORT_GPU
17 #include "src/gpu/GrDirectContextPriv.h"
18 #include "src/gpu/GrRenderTask.h"
19 #endif
20 
SkDeferredDisplayList(const SkSurfaceCharacterization & characterization,sk_sp<GrRenderTargetProxy> targetProxy,sk_sp<LazyProxyData> lazyProxyData)21 SkDeferredDisplayList::SkDeferredDisplayList(const SkSurfaceCharacterization& characterization,
22                                              sk_sp<GrRenderTargetProxy> targetProxy,
23                                              sk_sp<LazyProxyData> lazyProxyData)
24         : fCharacterization(characterization)
25 #if SK_SUPPORT_GPU
26         , fArenas(true)
27         , fTargetProxy(std::move(targetProxy))
28         , fLazyProxyData(std::move(lazyProxyData))
29 #endif
30 {
31 #if SK_SUPPORT_GPU
32     SkASSERT(fTargetProxy->isDDLTarget());
33 #endif
34 }
35 
~SkDeferredDisplayList()36 SkDeferredDisplayList::~SkDeferredDisplayList() {
37 #if SK_SUPPORT_GPU && defined(SK_DEBUG)
38     for (auto& renderTask : fRenderTasks) {
39         SkASSERT(renderTask->unique());
40     }
41 #endif
42 }
43 
44 //-------------------------------------------------------------------------------------------------
45 #if SK_SUPPORT_GPU
46 
ProgramIterator(GrDirectContext * dContext,SkDeferredDisplayList * ddl)47 SkDeferredDisplayList::ProgramIterator::ProgramIterator(GrDirectContext* dContext,
48                                                         SkDeferredDisplayList* ddl)
49     : fDContext(dContext)
50     , fProgramData(ddl->programData())
51     , fIndex(0) {
52 }
53 
~ProgramIterator()54 SkDeferredDisplayList::ProgramIterator::~ProgramIterator() {}
55 
compile()56 bool SkDeferredDisplayList::ProgramIterator::compile() {
57     if (!fDContext || fIndex < 0 || fIndex >= (int) fProgramData.size()) {
58         return false;
59     }
60 
61     return fDContext->priv().compile(fProgramData[fIndex].desc(), fProgramData[fIndex].info());
62 }
63 
done() const64 bool SkDeferredDisplayList::ProgramIterator::done() const {
65     return fIndex >= (int) fProgramData.size();
66 }
67 
next()68 void SkDeferredDisplayList::ProgramIterator::next() {
69     ++fIndex;
70 }
71 
72 #endif
73