You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
2.7 KiB
C++
59 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) Contributors to the Open 3D Engine Project.
|
|
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 OR MIT
|
|
*
|
|
*/
|
|
|
|
#include "ReflectionScreenSpaceTracePass.h"
|
|
#include <Atom/RPI.Public/Pass/PassSystemInterface.h>
|
|
#include <Atom/RPI.Public/Pass/PassFilter.h>
|
|
#include <Atom/RPI.Public/RenderPipeline.h>
|
|
#include <Atom/RPI.Public/Image/ImageSystemInterface.h>
|
|
#include <Atom/RPI.Public/Image/AttachmentImagePool.h>
|
|
|
|
namespace AZ
|
|
{
|
|
namespace Render
|
|
{
|
|
RPI::Ptr<ReflectionScreenSpaceTracePass> ReflectionScreenSpaceTracePass::Create(const RPI::PassDescriptor& descriptor)
|
|
{
|
|
RPI::Ptr<ReflectionScreenSpaceTracePass> pass = aznew ReflectionScreenSpaceTracePass(descriptor);
|
|
return AZStd::move(pass);
|
|
}
|
|
|
|
ReflectionScreenSpaceTracePass::ReflectionScreenSpaceTracePass(const RPI::PassDescriptor& descriptor)
|
|
: RPI::FullscreenTrianglePass(descriptor)
|
|
{
|
|
}
|
|
|
|
void ReflectionScreenSpaceTracePass::BuildInternal()
|
|
{
|
|
Data::Instance<RPI::AttachmentImagePool> pool = RPI::ImageSystemInterface::Get()->GetSystemAttachmentPool();
|
|
|
|
// retrieve the previous frame image attachment from the pass
|
|
AZ_Assert(m_ownedAttachments.size() == 3, "ReflectionScreenSpaceTracePass must have the following attachment images defined: ReflectionImage, DownSampledDepthImage, and PreviousFrameImage");
|
|
RPI::Ptr<RPI::PassAttachment> previousFrameImageAttachment = m_ownedAttachments[2];
|
|
|
|
// update the image attachment descriptor to sync up size and format
|
|
previousFrameImageAttachment->Update();
|
|
|
|
// change the lifetime since we want it to live between frames
|
|
previousFrameImageAttachment->m_lifetime = RHI::AttachmentLifetimeType::Imported;
|
|
|
|
// set the bind flags
|
|
RHI::ImageDescriptor& imageDesc = previousFrameImageAttachment->m_descriptor.m_image;
|
|
imageDesc.m_bindFlags |= RHI::ImageBindFlags::Color | RHI::ImageBindFlags::ShaderReadWrite;
|
|
|
|
// create the image attachment
|
|
RHI::ClearValue clearValue = RHI::ClearValue::CreateVector4Float(0, 0, 0, 0);
|
|
m_previousFrameImageAttachment = RPI::AttachmentImage::Create(*pool.get(), imageDesc, Name(previousFrameImageAttachment->m_path.GetCStr()), &clearValue, nullptr);
|
|
|
|
previousFrameImageAttachment->m_path = m_previousFrameImageAttachment->GetAttachmentId();
|
|
previousFrameImageAttachment->m_importedResource = m_previousFrameImageAttachment;
|
|
}
|
|
|
|
} // namespace RPI
|
|
} // namespace AZ
|