xref: /aosp_15_r20/external/skia/src/gpu/ganesh/gl/GrGLFinishCallbacks.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2020 Google LLC.
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/ganesh/gl/GrGLFinishCallbacks.h"
9 
10 #include "include/gpu/GpuTypes.h"
11 #include "include/private/base/SkAssert.h"
12 #include "src/gpu/ganesh/gl/GrGLGpu.h"
13 
14 #include <utility>
15 
GrGLFinishCallbacks(GrGLGpu * gpu)16 GrGLFinishCallbacks::GrGLFinishCallbacks(GrGLGpu* gpu) : fGpu(gpu) {}
17 
~GrGLFinishCallbacks()18 GrGLFinishCallbacks::~GrGLFinishCallbacks() {
19     this->callAll(true);
20 }
21 
add(skgpu::AutoCallback callback,GrGLint timerQuery)22 void GrGLFinishCallbacks::add(skgpu::AutoCallback callback, GrGLint timerQuery) {
23     SkASSERT(callback);
24     FinishCallback finishCallback;
25     finishCallback.fCallback   = std::move(callback);
26     finishCallback.fSync       = fGpu->insertSync();
27     finishCallback.fTimerQuery = timerQuery;
28     fCallbacks.push_back(std::move(finishCallback));
29 }
30 
check()31 void GrGLFinishCallbacks::check() {
32     // Bail after the first unfinished sync since we expect they signal in the order inserted.
33     while (!fCallbacks.empty() && fGpu->testSync(fCallbacks.front().fSync)) {
34         // While we are processing a proc we need to make sure to remove it from the callback list
35         // before calling it. This is because the client could trigger a call (e.g. calling
36         // flushAndSubmit(/*sync=*/true)) that has us process the finished callbacks. We also must
37         // process deleting the sync before a client may abandon the context.
38         auto& finishCallback = fCallbacks.front();
39         if (finishCallback.fSync) {
40             fGpu->deleteSync(finishCallback.fSync);
41         }
42         skgpu::GpuStats stats;
43         if (auto timerQuery = finishCallback.fTimerQuery) {
44             stats.elapsedTime = fGpu->getTimerQueryResult(timerQuery);
45             if (finishCallback.fCallback.receivesGpuStats()) {
46                 finishCallback.fCallback.setStats(stats);
47             }
48         }
49         fCallbacks.pop_front();
50     }
51 }
52 
callAll(bool doDelete)53 void GrGLFinishCallbacks::callAll(bool doDelete) {
54     while (!fCallbacks.empty()) {
55         // While we are processing a proc we need to make sure to remove it from the callback list
56         // before calling it. This is because the client could trigger a call (e.g. calling
57         // flushAndSubmit(/*sync=*/true)) that has us process the finished callbacks. We also must
58         // process deleting the sync before a client may abandon the context.
59         auto& finishCallback = fCallbacks.front();
60         skgpu::GpuStats stats;
61         if (doDelete && finishCallback.fSync) {
62             fGpu->deleteSync(finishCallback.fSync);
63             if (finishCallback.fTimerQuery) {
64                 stats.elapsedTime = fGpu->getTimerQueryResult(finishCallback.fTimerQuery);
65                 if (finishCallback.fCallback.receivesGpuStats()) {
66                     finishCallback.fCallback.setStats(stats);
67                 }
68             }
69         }
70         fCallbacks.pop_front();
71     }
72 }
73