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 "GrVkTexelBuffer.h"
9 
10 #include "GrVkGpu.h"
11 
12 GrVkTexelBuffer::GrVkTexelBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc,
13                                    const GrVkBuffer::Resource* bufferResource)
14     : INHERITED(gpu, desc.fSizeInBytes, kTexel_GrBufferType,
15                 kDynamic_GrAccessPattern)
16     , GrVkBuffer(desc, bufferResource) {
17     this->registerWithCache(SkBudgeted::kYes);
18 }
19 
20 GrVkTexelBuffer* GrVkTexelBuffer::Create(GrVkGpu* gpu, size_t size, bool dynamic) {
21     GrVkBuffer::Desc desc;
22     desc.fDynamic = dynamic;
23     desc.fType = GrVkBuffer::kTexel_Type;
24     desc.fSizeInBytes = size;
25 
26     const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
27     if (!bufferResource) {
28         return nullptr;
29     }
30     GrVkTexelBuffer* buffer = new GrVkTexelBuffer(gpu, desc, bufferResource);
31     if (!buffer) {
32         bufferResource->unref(gpu);
33     }
34     return buffer;
35 }
36 
37 void GrVkTexelBuffer::onRelease() {
38     if (!this->wasDestroyed()) {
39         this->vkRelease(this->getVkGpu());
40     }
41 
42     INHERITED::onRelease();
43 }
44 
45 void GrVkTexelBuffer::onAbandon() {
46     this->vkAbandon();
47     INHERITED::onAbandon();
48 }
49 
50 void GrVkTexelBuffer::onMap() {
51     if (!this->wasDestroyed()) {
52         this->GrBuffer::fMapPtr = this->vkMap(this->getVkGpu());
53     }
54 }
55 
56 void GrVkTexelBuffer::onUnmap() {
57     if (!this->wasDestroyed()) {
58         this->vkUnmap(this->getVkGpu());
59     }
60 }
61 
62 bool GrVkTexelBuffer::onUpdateData(const void* src, size_t srcSizeInBytes) {
63     if (!this->wasDestroyed()) {
64         return this->vkUpdateData(this->getVkGpu(), src, srcSizeInBytes);
65     } else {
66         return false;
67     }
68 }
69 
70 GrVkGpu* GrVkTexelBuffer::getVkGpu() const {
71     SkASSERT(!this->wasDestroyed());
72     return static_cast<GrVkGpu*>(this->getGpu());
73 }
74