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