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56 lines
1.9 KiB
C++
56 lines
1.9 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 "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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bool ReflectionScreenSpaceCompositePass::IsEnabled() const
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{
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// delay for a few frames to ensure that the previous frame texture is populated
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static const uint32_t FrameDelay = 10;
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if (m_frameDelayCount < FrameDelay)
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{
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m_frameDelayCount++;
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return false;
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}
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return true;
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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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auto constantIndex = m_shaderResourceGroup->FindShaderInputConstantIndex(Name("m_maxMipLevel"));
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m_shaderResourceGroup->SetConstant(constantIndex, ReflectionScreenSpaceBlurPass::NumMipLevels - 1);
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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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