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.
72 lines
2.9 KiB
C++
72 lines
2.9 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/RPI.Public/Pass/FullscreenTrianglePass.h>
|
|
#include <PostProcessing/PostProcessingShaderOptionBase.h>
|
|
|
|
namespace AZ
|
|
{
|
|
namespace Render
|
|
{
|
|
//! Pass used to apply Bokeh Depth of Field blur onto a lighting buffer.
|
|
class DepthOfFieldBokehBlurPass final
|
|
: public RPI::FullscreenTrianglePass
|
|
, public PostProcessingShaderOptionBase
|
|
{
|
|
AZ_RPI_PASS(DepthOfFieldBokehBlurPass);
|
|
|
|
public:
|
|
AZ_RTTI(AZ::Render::DepthOfFieldBokehBlurPass, "{B6C292B1-0360-4472-9955-E74CBD5EFC25}", AZ::RPI::FullscreenTrianglePass);
|
|
AZ_CLASS_ALLOCATOR(DepthOfFieldBokehBlurPass, SystemAllocator, 0);
|
|
virtual ~DepthOfFieldBokehBlurPass() = default;
|
|
|
|
//! Creates a DepthOfFieldBokehBlurPass
|
|
static RPI::Ptr<DepthOfFieldBokehBlurPass> Create(const RPI::PassDescriptor& descriptor);
|
|
|
|
// Set pass parameter interfaces...
|
|
void SetRadiusMinMax(float min, float max);
|
|
void UpdateSampleTexcoords(uint32_t divisionNumber, float viewAspectRatio);
|
|
|
|
protected:
|
|
// Behaviour functions override...
|
|
void InitializeInternal() override;
|
|
void FrameBeginInternal(FramePrepareParams params) override;
|
|
|
|
private:
|
|
DepthOfFieldBokehBlurPass(const RPI::PassDescriptor& descriptor);
|
|
void InitializeShaderVariant();
|
|
void UpdateCurrentShaderVariant();
|
|
|
|
// SRG binding indices...
|
|
RHI::ShaderInputNameIndex m_sampleNumberIndex = "m_sampleNumber";
|
|
RHI::ShaderInputNameIndex m_radiusMinIndex = "m_radiusMin";
|
|
RHI::ShaderInputNameIndex m_radiusMaxIndex = "m_radiusMax";
|
|
RHI::ShaderInputNameIndex m_sampleTexcoordsRadiusIndex = "m_sampleTexcoordsRadius";
|
|
|
|
// maximum number of samples.
|
|
// Sampled in the order of 6, 12, 18, 24 from the center to the periphery.
|
|
// The maximum number od samplingd at this time is 6 + 12 + 18 + 24.
|
|
static constexpr int SampleMax = 60;
|
|
uint32_t m_sampleNumber = 6;
|
|
float m_radiusMin = 0.0f;
|
|
float m_radiusMax = 0.0f;
|
|
AZStd::array<AZStd::array<float, 4>, SampleMax> m_sampleTexcoords;
|
|
|
|
// Scope producer functions...
|
|
void CompileResources(const RHI::FrameGraphCompileContext& context) override;
|
|
void BuildCommandListInternal(const RHI::FrameGraphExecuteContext& context) override;
|
|
|
|
bool m_needToUpdateShaderVariant = true;
|
|
|
|
const AZ::Name m_optionName;
|
|
const AZStd::vector<AZ::Name> m_optionValues;
|
|
};
|
|
} // namespace Render
|
|
} // namespace AZ
|