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90 lines
3.1 KiB
C++
90 lines
3.1 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/RPI.Public/Pass/MSAAResolvePass.h>
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#include <Atom/RPI.Public/RenderPipeline.h>
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#include <Atom/RPI.Reflect/Pass/PassTemplate.h>
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#include <Atom/RPI.Reflect/Shader/ShaderAsset.h>
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#include <Atom/RHI/DrawItem.h>
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#include <Atom/RHI/Factory.h>
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#include <Atom/RHI/FrameScheduler.h>
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#include <Atom/RHI/PipelineState.h>
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#include <AzCore/Asset/AssetCommon.h>
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#include <AzCore/Asset/AssetManagerBus.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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Ptr<MSAAResolvePass> MSAAResolvePass::Create(const PassDescriptor& descriptor)
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{
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Ptr<MSAAResolvePass> pass = aznew MSAAResolvePass(descriptor);
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return pass;
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}
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MSAAResolvePass::MSAAResolvePass(const PassDescriptor& descriptor)
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: RenderPass(descriptor)
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{
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}
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void MSAAResolvePass::BuildInternal()
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{
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AZ_Assert(GetOutputCount() != 0, "MSAAResolvePass %s has no outputs to render to.", GetPathName().GetCStr());
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}
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void MSAAResolvePass::FrameBeginInternal(FramePrepareParams params)
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{
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RenderPass::FrameBeginInternal(params);
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}
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void MSAAResolvePass::SetupFrameGraphDependencies(RHI::FrameGraphInterface frameGraph)
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{
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// Manually declare attachments since the resolve attachment is not supported by RenderPass
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AZ_Assert(GetInputCount() == 1, "MSAAResolvePass only supports a single Input");
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AZ_Assert(GetOutputCount() == 1, "MSAAResolvePass only supports a single Output");
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const AZ::RPI::PassAttachmentBinding& copySource = GetInputBinding(0);
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const AZ::RPI::PassAttachmentBinding& copyDest = GetOutputBinding(0);
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frameGraph.UseColorAttachment(copySource.m_unifiedScopeDesc.GetAsImage());
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RHI::ResolveScopeAttachmentDescriptor descriptor;
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descriptor.m_attachmentId = copyDest.m_attachment->GetAttachmentId();
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descriptor.m_loadStoreAction.m_loadAction = RHI::AttachmentLoadAction::DontCare;
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descriptor.m_resolveAttachmentId = copySource.m_attachment->GetAttachmentId();
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frameGraph.UseResolveAttachment(descriptor);
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RenderPass::AddScopeQueryToFrameGraph(frameGraph);
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}
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void MSAAResolvePass::CompileResources([[maybe_unused]] const RHI::FrameGraphCompileContext& context)
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{
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}
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void MSAAResolvePass::BuildCommandListInternal([[maybe_unused]] const RHI::FrameGraphExecuteContext& context)
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{
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}
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bool MSAAResolvePass::IsEnabled() const
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{
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// check Pass base class first to see if the Pass is explicitly disabled
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if (!Pass::IsEnabled())
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{
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return false;
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}
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// check render pipeline MSAA sample count
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return (m_pipeline->GetRenderSettings().m_multisampleState.m_samples > 1);
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}
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} // namespace RPI
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} // namespace AZ
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