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1 /*
2  * Copyright 2021 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/graphite/Buffer.h"
9 #include "src/gpu/graphite/Caps.h"
10 #include "src/gpu/graphite/SharedContext.h"
11 
12 namespace skgpu::graphite {
13 
map()14 void* Buffer::map() {
15     SkASSERT(this->isUnmappable() || !this->sharedContext()->caps()->bufferMapsAreAsync());
16     if (!this->isMapped()) {
17         this->onMap();
18     }
19     return fMapPtr;
20 }
21 
asyncMap(GpuFinishedProc proc,GpuFinishedContext ctx)22 void Buffer::asyncMap(GpuFinishedProc proc, GpuFinishedContext ctx) {
23     SkASSERT(this->sharedContext()->caps()->bufferMapsAreAsync());
24     this->onAsyncMap(proc, ctx);
25 }
26 
unmap()27 void Buffer::unmap() {
28     SkASSERT(this->isUnmappable());
29     this->onUnmap();
30     fMapPtr = nullptr;
31 }
32 
isUnmappable() const33 bool Buffer::isUnmappable() const { return isMapped(); }
34 
onAsyncMap(skgpu::graphite::GpuFinishedProc,skgpu::graphite::GpuFinishedContext)35 void Buffer::onAsyncMap(skgpu::graphite::GpuFinishedProc, skgpu::graphite::GpuFinishedContext) {
36     SkASSERT(!this->sharedContext()->caps()->bufferMapsAreAsync());
37     SK_ABORT("Async buffer mapping not supported");
38 }
39 
40 } // namespace skgpu::graphite
41 
42