Chris Burel
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <Atom/RHI.Reflect/Scissor.h>
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#include <AzCore/Serialization/SerializeContext.h>
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#include <AzCore/Math/MathUtils.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 Scissor::Reflect(AZ::ReflectContext* context)
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{
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if (SerializeContext* serializeContext = azrtti_cast<SerializeContext*>(context))
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{
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serializeContext->Class<Scissor>()
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->Version(1)
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->Field("m_minX", &Scissor::m_minX)
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->Field("m_minY", &Scissor::m_minY)
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->Field("m_maxX", &Scissor::m_maxX)
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->Field("m_maxY", &Scissor::m_maxY);
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}
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}
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Scissor::Scissor(
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int32_t minX,
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int32_t minY,
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int32_t maxX,
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int32_t maxY)
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: m_minX(minX)
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, m_minY(minY)
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, m_maxX(maxX)
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, m_maxY(maxY)
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{}
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Scissor Scissor::GetScaled(
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float normalizedMinX,
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float normalizedMinY,
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float normalizedMaxX,
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float normalizedMaxY) const
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{
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Scissor scissor;
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scissor.m_minX = static_cast<int32_t>(Lerp(static_cast<float>(m_minX), static_cast<float>(m_maxX), normalizedMinX));
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scissor.m_maxX = static_cast<int32_t>(Lerp(static_cast<float>(m_minX), static_cast<float>(m_maxX), normalizedMaxX));
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scissor.m_minY = static_cast<int32_t>(Lerp(static_cast<float>(m_minY), static_cast<float>(m_maxY), normalizedMinY));
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scissor.m_maxY = static_cast<int32_t>(Lerp(static_cast<float>(m_minY), static_cast<float>(m_maxY), normalizedMaxY));
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return scissor;
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}
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Scissor Scissor::CreateNull()
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{
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return Scissor{0, 0, -1, -1};
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}
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bool Scissor::IsNull() const
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{
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return ((m_minX > m_maxX) || (m_minY > m_maxY));
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}
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} // namespace RHI
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} // namespace AZ
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