1 /*
2  * Copyright 2017 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 "SkPromiseImageTexture.h"
9 #include "SkMessageBus.h"
10 
11 #if SK_SUPPORT_GPU
12 
13 std::atomic<uint32_t> SkPromiseImageTexture::gUniqueID{1};
14 
SkPromiseImageTexture(const GrBackendTexture & backendTexture)15 SkPromiseImageTexture::SkPromiseImageTexture(const GrBackendTexture& backendTexture) {
16     SkASSERT(backendTexture.isValid());
17     fBackendTexture = backendTexture;
18     fUniqueID = gUniqueID++;
19 }
20 
~SkPromiseImageTexture()21 SkPromiseImageTexture::~SkPromiseImageTexture() {
22     for (const auto& msg : fMessages) {
23         SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(msg);
24     }
25 }
26 
addKeyToInvalidate(uint32_t contextID,const GrUniqueKey & key)27 void SkPromiseImageTexture::addKeyToInvalidate(uint32_t contextID, const GrUniqueKey& key) {
28     SkASSERT(contextID != SK_InvalidUniqueID);
29     SkASSERT(key.isValid());
30     for (const auto& msg : fMessages) {
31         if (msg.contextID() == contextID && msg.key() == key) {
32             return;
33         }
34     }
35     fMessages.emplace_back(key, contextID);
36 }
37 
38 #if GR_TEST_UTILS
testingOnly_uniqueKeysToInvalidate() const39 SkTArray<GrUniqueKey> SkPromiseImageTexture::testingOnly_uniqueKeysToInvalidate() const {
40     SkTArray<GrUniqueKey> results;
41     for (const auto& msg : fMessages) {
42         results.push_back(msg.key());
43     }
44     return results;
45 }
46 #endif
47 
48 #endif
49