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65 lines
2.5 KiB
C++
65 lines
2.5 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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#pragma once
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#include <Atom/Feature/SkinnedMesh/SkinnedMeshShaderOptions.h>
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#include <Atom/RPI.Reflect/Shader/ShaderOptionGroup.h>
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#include <AtomCore/Instance/Instance.h>
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#include <AzCore/EBus/Event.h>
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namespace AZ
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{
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namespace RPI
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{
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class Shader;
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}
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namespace Render
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{
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class CachedSkinnedMeshShaderOptions;
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//! Notifies listeners that the skinned mesh shader has reloaded and the shader options need to be updated
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class SkinnedMeshShaderOptionNotifications
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: public AZ::EBusTraits
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{
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public:
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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using BusIdType = CachedSkinnedMeshShaderOptions*;
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using MutexType = AZStd::mutex;
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virtual void OnShaderReinitialized(const CachedSkinnedMeshShaderOptions* cachedShaderOptions) = 0;
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};
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using SkinnedMeshShaderOptionNotificationBus = AZ::EBus<SkinnedMeshShaderOptionNotifications>;
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//! This class caches the indices of the skinned mesh shader options and uses them to more optimally create a ShaderOptionGroup
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class CachedSkinnedMeshShaderOptions
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{
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public:
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void SetShader(Data::Instance<RPI::Shader> shader);
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void ConnectToShaderReinitializedEvent(SkinnedMeshShaderOptionNotificationBus::Handler& shaderReinitializedEventHandler);
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RPI::ShaderOptionGroup CreateShaderOptionGroup(const SkinnedMeshShaderOptions& shaderOptions) const;
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private:
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Data::Instance<RPI::Shader> m_shader;
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RPI::ShaderOptionIndex m_skinningMethodOptionIndex;
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RPI::ShaderOptionValue m_skinningMethodLinearSkinningValue;
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RPI::ShaderOptionValue m_skinningMethodDualQuaternionValue;
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RPI::ShaderOptionIndex m_applyMorphTargetOptionIndex;
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RPI::ShaderOptionValue m_applyMorphTargetFalseValue;
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RPI::ShaderOptionValue m_applyMorphTargetTrueValue;
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RPI::ShaderOptionIndex m_applyColorMorphTargetOptionIndex;
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RPI::ShaderOptionValue m_applyColorMorphTargetFalseValue;
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RPI::ShaderOptionValue m_applyColorMorphTargetTrueValue;
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};
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} // namespace Render
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} // namespace AZ
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