1// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "VkBufferView.hpp"
16#include "VkBuffer.hpp"
17#include "VkFormat.h"
18
19namespace vk
20{
21
22BufferView::BufferView(const VkBufferViewCreateInfo* pCreateInfo, void* mem) :
23 buffer(vk::Cast(pCreateInfo->buffer)), format(pCreateInfo->format), offset(pCreateInfo->offset)
24{
25 if (pCreateInfo->range == VK_WHOLE_SIZE)
26 {
27 range = buffer->getSize() - offset;
28 }
29 else
30 {
31 range = pCreateInfo->range;
32 }
33}
34
35void * BufferView::getPointer() const
36{
37 return buffer->getOffsetPointer(offset);
38}
39
40}