Doug McDiarmid
886601ad94
Changed the ReflectionScreenSpaceBlurPass to auto-generate the mip chain, which will compute the appropriate number of mips.
56 lines
2.3 KiB
C++
56 lines
2.3 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 "ReflectionScreenSpaceCompositePass.h"
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#include "ReflectionScreenSpaceBlurPass.h"
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#include <Atom/RPI.Public/Pass/PassSystemInterface.h>
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#include <Atom/RPI.Public/Pass/PassFilter.h>
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namespace AZ
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{
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namespace Render
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{
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RPI::Ptr<ReflectionScreenSpaceCompositePass> ReflectionScreenSpaceCompositePass::Create(const RPI::PassDescriptor& descriptor)
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{
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RPI::Ptr<ReflectionScreenSpaceCompositePass> pass = aznew ReflectionScreenSpaceCompositePass(descriptor);
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return AZStd::move(pass);
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}
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ReflectionScreenSpaceCompositePass::ReflectionScreenSpaceCompositePass(const RPI::PassDescriptor& descriptor)
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: RPI::FullscreenTrianglePass(descriptor)
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{
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}
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void ReflectionScreenSpaceCompositePass::CompileResources([[maybe_unused]] const RHI::FrameGraphCompileContext& context)
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{
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if (!m_shaderResourceGroup)
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{
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return;
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}
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RPI::PassHierarchyFilter passFilter(AZ::Name("ReflectionScreenSpaceBlurPass"));
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const AZStd::vector<RPI::Pass*>& passes = RPI::PassSystemInterface::Get()->FindPasses(passFilter);
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if (!passes.empty())
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{
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Render::ReflectionScreenSpaceBlurPass* blurPass = azrtti_cast<ReflectionScreenSpaceBlurPass*>(passes.front());
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const uint32_t MaxNumRoughnessMips = 8;
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uint32_t maxMipLevel = AZStd::min(MaxNumRoughnessMips, blurPass->GetNumBlurMips()) - 1;
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auto constantIndex = m_shaderResourceGroup->FindShaderInputConstantIndex(Name("m_maxMipLevel"));
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m_shaderResourceGroup->SetConstant(constantIndex, maxMipLevel);
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}
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FullscreenTrianglePass::CompileResources(context);
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}
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} // namespace RPI
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} // namespace AZ
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