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.
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*
|
|
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
|
|
* its licensors.
|
|
*
|
|
* For complete copyright and license terms please see the LICENSE at the root of this
|
|
* distribution (the "License"). All use of this software is governed by the License,
|
|
* or, if provided, by the license below or the license accompanying this file. Do not
|
|
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <AzCore/Memory/SystemAllocator.h>
|
|
#include <Atom/RPI.Public/Pass/ParentPass.h>
|
|
#include <Atom/RPI.Public/Buffer/Buffer.h>
|
|
#include <PostProcessing/DepthOfFieldWriteFocusDepthFromGpuPass.h>
|
|
#include <PostProcessing/DepthOfFieldCopyFocusDepthToCpuPass.h>
|
|
|
|
namespace AZ
|
|
{
|
|
namespace Render
|
|
{
|
|
class DepthOfFieldSettings;
|
|
|
|
//! This pass is used to get the depth value for the specified screen coordinates.
|
|
class DepthOfFieldReadBackFocusDepthPass final
|
|
: public RPI::ParentPass
|
|
{
|
|
public:
|
|
AZ_RTTI(AZ::Render::DepthOfFieldReadBackFocusDepthPass, "{8738691C-1D8C-4F96-8B4F-2152A4550470}", AZ::RPI::ParentPass);
|
|
AZ_CLASS_ALLOCATOR(DepthOfFieldReadBackFocusDepthPass, SystemAllocator, 0);
|
|
|
|
static RPI::Ptr<DepthOfFieldReadBackFocusDepthPass> Create(const RPI::PassDescriptor& descriptor);
|
|
|
|
DepthOfFieldReadBackFocusDepthPass(const RPI::PassDescriptor& descriptor);
|
|
~DepthOfFieldReadBackFocusDepthPass();
|
|
|
|
// Set pass parameter interfaces...
|
|
void SetScreenPosition(const AZ::Vector2& screenPosition);
|
|
float GetFocusDepth();
|
|
float GetNormalizedFocusDistanceForAutoFocus() const;
|
|
|
|
protected:
|
|
// Pass behavior overrides...
|
|
void CreateChildPassesInternal() override;
|
|
void FrameBeginInternal(FramePrepareParams params) override;
|
|
|
|
private:
|
|
void UpdateAutoFocus(DepthOfFieldSettings& dofSettings);
|
|
|
|
// Used to avoid buffer name conflicts when creating multiple DepthOfFieldReadBackFocusDepthPass
|
|
static uint32_t s_bufferInstance;
|
|
AZ::Data::Instance<RPI::Buffer> m_buffer;
|
|
|
|
RPI::Ptr<DepthOfFieldWriteFocusDepthFromGpuPass> m_getDepthPass;
|
|
RPI::Ptr<DepthOfFieldCopyFocusDepthToCpuPass> m_readbackPass;
|
|
|
|
float m_normalizedFocusDistanceForAutoFocus = 0.0f;
|
|
float m_delayTimer = 0.0f;
|
|
bool m_isMovingFocus = false;
|
|
};
|
|
} // namespace Render
|
|
} // namespace AZ
|