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.
64 lines
2.4 KiB
C++
64 lines
2.4 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
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <Atom/RHI/ScopeProducer.h>
|
|
#include <Atom/RPI.Public/Pass/AttachmentReadback.h>
|
|
#include <Atom/RPI.Public/Pass/Pass.h>
|
|
#include <Atom/Feature/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessorInterface.h>
|
|
|
|
namespace AZ
|
|
{
|
|
namespace Render
|
|
{
|
|
class DiffuseProbeGrid;
|
|
|
|
enum class DiffuseProbeGridReadbackState
|
|
{
|
|
Idle,
|
|
Initializing,
|
|
Irradiance,
|
|
Distance,
|
|
Relocation,
|
|
Classification,
|
|
Complete
|
|
};
|
|
|
|
//! This class contains functionality necessary to read back the DiffuseProbeGrid textures, which
|
|
//! allows them to be saved as assets to run the DiffuseProbeGrid in non-realtime mode.
|
|
class DiffuseProbeGridTextureReadback final
|
|
{
|
|
public:
|
|
DiffuseProbeGridTextureReadback(DiffuseProbeGrid* diffuseProbeGrid);
|
|
~DiffuseProbeGridTextureReadback() = default;
|
|
|
|
void BeginTextureReadback(DiffuseProbeGridBakeTexturesCallback callback);
|
|
void Update(const AZ::Name& passName);
|
|
void FrameBegin(AZ::RPI::Pass::FramePrepareParams& params);
|
|
|
|
bool IsIdle() const { return m_readbackState == DiffuseProbeGridReadbackState::Idle; }
|
|
|
|
private:
|
|
|
|
DiffuseProbeGrid* m_diffuseProbeGrid = nullptr;
|
|
DiffuseProbeGridReadbackState m_readbackState = DiffuseProbeGridReadbackState::Idle;
|
|
AZStd::shared_ptr<AZ::RPI::AttachmentReadback> m_attachmentReadback;
|
|
DiffuseProbeGridBakeTexturesCallback m_callback;
|
|
|
|
AZ::RPI::AttachmentReadback::ReadbackResult m_irradianceReadbackResult;
|
|
AZ::RPI::AttachmentReadback::ReadbackResult m_distanceReadbackResult;
|
|
AZ::RPI::AttachmentReadback::ReadbackResult m_relocationReadbackResult;
|
|
AZ::RPI::AttachmentReadback::ReadbackResult m_classificationReadbackResult;
|
|
|
|
// number of frames to delay before starting the texture readbacks, this allows the textures to settle
|
|
static constexpr int32_t DefaultNumInitializationFrames = 50;
|
|
int32_t m_remainingInitializationFrames = DefaultNumInitializationFrames;
|
|
};
|
|
} // namespace Render
|
|
} // namespace AZ
|