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o3de/Gems/Atom/RHI/Code/Source/RHI.Reflect/Size.cpp

70 lines
2.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Atom/RHI.Reflect/Size.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <AzCore/std/algorithm.h>
#include <AzCore/std/hash.h>
namespace AZ
{
namespace RHI
{
void Size::Reflect(AZ::ReflectContext* context)
{
if (auto* serializeContext = azrtti_cast<SerializeContext*>(context))
{
serializeContext->Class<Size>()
->Version(1)
->Field("Width", &Size::m_width)
->Field("Height", &Size::m_height)
->Field("Depth", &Size::m_depth)
;
}
}
Size::Size(uint32_t width, uint32_t height, uint32_t depth)
: m_width{width}
, m_height{height}
, m_depth{depth}
{}
Size Size::GetReducedMip(uint32_t mipLevel) const
{
Size size;
size.m_width = AZStd::max(m_width >> mipLevel, 1u);
size.m_height = AZStd::max(m_height >> mipLevel, 1u);
size.m_depth = AZStd::max(m_depth >> mipLevel, 1u);
return size;
}
bool Size::operator == (const Size& rhs) const
{
return m_width == rhs.m_width && m_height == rhs.m_height && m_depth == rhs.m_depth;
}
bool Size::operator != (const Size& rhs) const
{
return m_width != rhs.m_width || m_height != rhs.m_height || m_depth != rhs.m_depth;
}
uint32_t& Size::operator [] (uint32_t idx)
{
uint32_t* ptr = &m_width;
return *(ptr + idx);
}
uint32_t Size::operator [] (uint32_t idx) const
{
const uint32_t* ptr = &m_width;
return *(ptr + idx);
}
}
}