Files
FlaxEngine/Source/Engine/Renderer/MotionBlurPass.h
2020-12-07 23:40:54 +01:00

112 lines
3.2 KiB
C++

// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
#pragma once
#include "RendererPass.h"
/// <summary>
/// Anti aliasing rendering service
/// </summary>
class MotionBlurPass : public RendererPass<MotionBlurPass>
{
private:
PACK_STRUCT(struct Data {
GBufferData GBuffer;
Matrix CurrentVP;
Matrix PreviousVP;
Vector4 TemporalAAJitter;
Vector2 TileMaxOffs;
float VelocityScale;
int32 TileMaxLoop;
float MaxBlurRadius;
float RcpMaxBlurRadius;
Vector2 TexelSize1;
Vector2 TexelSize2;
Vector2 TexelSize4;
Vector2 TexelSizeV;
Vector2 TexelSizeNM;
float LoopCount;
float Dummy0;
Vector2 MotionVectorsTexelSize;
float DebugBlend;
float DebugAmplitude;
int32 DebugColumnCount;
int32 DebugRowCount;
});
PixelFormat _motionVectorsFormat;
PixelFormat _velocityFormat;
AssetReference<Shader> _shader;
GPUPipelineState* _psCameraMotionVectors;
GPUPipelineState* _psMotionVectorsDebug;
GPUPipelineState* _psMotionVectorsDebugArrow;
GPUPipelineState* _psVelocitySetup;
GPUPipelineState* _psTileMax1;
GPUPipelineState* _psTileMax2;
GPUPipelineState* _psTileMax4;
GPUPipelineState* _psTileMaxV;
GPUPipelineState* _psNeighborMax;
GPUPipelineState* _psReconstruction;
public:
/// <summary>
/// Init
/// </summary>
MotionBlurPass();
public:
/// <summary>
/// Renders the motion vectors texture for the current task. Skips if motion blur is disabled or no need to render motion vectors.
/// </summary>
/// <param name="renderContext">The rendering context.</param>
void RenderMotionVectors(RenderContext& renderContext);
/// <summary>
/// Renders the motion vectors debug view.
/// </summary>
/// <param name="renderContext">The rendering context.</param>
/// <param name="frame">The source frame.</param>
void RenderDebug(RenderContext& renderContext, GPUTextureView* frame);
/// <summary>
/// Renders the motion blur. Swaps the input with output if rendering is performed. Does nothing if rendering is not performed.
/// </summary>
/// <param name="renderContext">The rendering context.</param>
/// <param name="input">The input frame.</param>
/// <param name="output">The output frame.</param>
void Render(RenderContext& renderContext, GPUTexture*& input, GPUTexture*& output);
private:
#if COMPILE_WITH_DEV_ENV
void OnShaderReloading(Asset* obj)
{
_psCameraMotionVectors->ReleaseGPU();
_psMotionVectorsDebug->ReleaseGPU();
_psMotionVectorsDebugArrow->ReleaseGPU();
_psVelocitySetup->ReleaseGPU();
_psTileMax1->ReleaseGPU();
_psTileMax2->ReleaseGPU();
_psTileMax4->ReleaseGPU();
_psTileMaxV->ReleaseGPU();
_psNeighborMax->ReleaseGPU();
_psReconstruction->ReleaseGPU();
invalidateResources();
}
#endif
public:
// [RendererPass]
String ToString() const override;
bool Init() override;
void Dispose() override;
protected:
// [RendererPass]
bool setupResources() override;
};