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o3de/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridRenderPass.h

54 lines
1.9 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.Reflect/Size.h>
#include <Atom/RPI.Public/Pass/RasterPass.h>
namespace AZ
{
namespace Render
{
class DiffuseProbeGrid;
//! This pass renders the diffuse global illumination in the area covered by
//! each DiffuseProbeGrid.
class DiffuseProbeGridRenderPass final
: public RPI::RasterPass
{
using Base = RPI::RasterPass;
AZ_RPI_PASS(DiffuseProbeGridRenderPass);
public:
AZ_RTTI(DiffuseProbeGridRenderPass, "{33F79A39-2DB3-46FC-8BA1-9E43E222C322}", Base);
AZ_CLASS_ALLOCATOR(DiffuseProbeGridRenderPass, SystemAllocator, 0);
~DiffuseProbeGridRenderPass() = default;
static RPI::Ptr<DiffuseProbeGridRenderPass> Create(const RPI::PassDescriptor& descriptor);
private:
DiffuseProbeGridRenderPass() = delete;
explicit DiffuseProbeGridRenderPass(const RPI::PassDescriptor& descriptor);
// Pass behavior overrides...
bool IsEnabled() const override;
void FrameBeginInternal(FramePrepareParams params) override;
// Scope producer functions...
void SetupFrameGraphDependencies(RHI::FrameGraphInterface frameGraph) override;
void CompileResources(const RHI::FrameGraphCompileContext& context) override;
// helper function to determine if a DiffuseProbeGrid should be rendered based on its state
bool ShouldRender(const AZStd::shared_ptr<DiffuseProbeGrid>& diffuseProbeGrid);
Data::Instance<RPI::Shader> m_shader;
RHI::Ptr<RHI::ShaderResourceGroupLayout> m_srgLayout;
};
} // namespace Render
} // namespace AZ