1 /*
2  * Copyright 2015 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 "GrVkIndexBuffer.h"
9 #include "GrVkGpu.h"
10 
11 GrVkIndexBuffer::GrVkIndexBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc,
12                                  const GrVkBuffer::Resource* bufferResource)
13     : INHERITED(gpu, desc.fSizeInBytes, kIndex_GrBufferType,
14                 desc.fDynamic ? kDynamic_GrAccessPattern : kStatic_GrAccessPattern)
15     , GrVkBuffer(desc, bufferResource) {
16     this->registerWithCache(SkBudgeted::kYes);
17 }
18 
19 GrVkIndexBuffer* GrVkIndexBuffer::Create(GrVkGpu* gpu, size_t size, bool dynamic) {
20     GrVkBuffer::Desc desc;
21     desc.fDynamic = dynamic;
22     desc.fType = GrVkBuffer::kIndex_Type;
23     desc.fSizeInBytes = size;
24 
25     const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
26     if (!bufferResource) {
27         return nullptr;
28     }
29 
30 
31     GrVkIndexBuffer* buffer = new GrVkIndexBuffer(gpu, desc, bufferResource);
32     if (!buffer) {
33         bufferResource->unref(gpu);
34     }
35     return buffer;
36 }
37 
38 void GrVkIndexBuffer::onRelease() {
39     if (!this->wasDestroyed()) {
40         this->vkRelease(this->getVkGpu());
41     }
42 
43     INHERITED::onRelease();
44 }
45 
46 void GrVkIndexBuffer::onAbandon() {
47     this->vkAbandon();
48     INHERITED::onAbandon();
49 }
50 
51 void GrVkIndexBuffer::onMap() {
52     if (!this->wasDestroyed()) {
53         this->GrBuffer::fMapPtr = this->vkMap(this->getVkGpu());
54     }
55 }
56 
57 void GrVkIndexBuffer::onUnmap() {
58     if (!this->wasDestroyed()) {
59         this->vkUnmap(this->getVkGpu());
60     }
61 }
62 
63 bool GrVkIndexBuffer::onUpdateData(const void* src, size_t srcSizeInBytes) {
64     if (!this->wasDestroyed()) {
65         return this->vkUpdateData(this->getVkGpu(), src, srcSizeInBytes);
66     } else {
67         return false;
68     }
69 }
70 
71 GrVkGpu* GrVkIndexBuffer::getVkGpu() const {
72     SkASSERT(!this->wasDestroyed());
73     return static_cast<GrVkGpu*>(this->getGpu());
74 }
75