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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef VK_BUFFER_VIEW_HPP_
#define VK_BUFFER_VIEW_HPP_
#include "VkFormat.h"
#include "VkImageView.hpp"
#include "VkObject.hpp"
namespace vk {
class Buffer;
class BufferView : public Object<BufferView, VkBufferView>
{
public:
BufferView(const VkBufferViewCreateInfo *pCreateInfo, void *mem);
static size_t ComputeRequiredAllocationSize(const VkBufferViewCreateInfo *pCreateInfo)
{
return 0;
}
void *getPointer() const;
uint32_t getElementCount() const { return static_cast<uint32_t>(range / Format(format).bytes()); }
uint32_t getRangeInBytes() const { return static_cast<uint32_t>(range); }
VkFormat getFormat() const { return format; }
const uint32_t id = ImageView::nextID++; // ID space for sampling function cache, shared with imageviews
private:
Buffer *buffer;
VkFormat format;
VkDeviceSize offset;
VkDeviceSize range;
};
static inline BufferView *Cast(VkBufferView object)
{
return BufferView::Cast(object);
}
} // namespace vk
#endif // VK_BUFFER_VIEW_HPP_