You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
30ea8aca4f
#preflight 62559eb569015afc27ac1833 #jira UE-148598 #rb eric.mcdaniel [CL 19784660 by benjamin rouveyrol in ue5-main branch]
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "PostProcess/PostProcessEyeAdaptation.h"
|
|
#include "PostProcess/PostProcessBloomSetup.h"
|
|
#include "ScreenPass.h"
|
|
#include "OverridePassSequence.h"
|
|
#include "Math/Halton.h"
|
|
|
|
|
|
bool SupportsFilmGrain(EShaderPlatform Platform);
|
|
|
|
BEGIN_SHADER_PARAMETER_STRUCT(FTonemapperOutputDeviceParameters, )
|
|
SHADER_PARAMETER(FVector3f, InverseGamma)
|
|
SHADER_PARAMETER(uint32, OutputDevice)
|
|
SHADER_PARAMETER(uint32, OutputGamut)
|
|
END_SHADER_PARAMETER_STRUCT()
|
|
|
|
RENDERER_API FTonemapperOutputDeviceParameters GetTonemapperOutputDeviceParameters(const FSceneViewFamily& Family);
|
|
|
|
static void GrainRandomFromFrame(FVector3f* RESTRICT const Constant, uint32 FrameNumber)
|
|
{
|
|
Constant->X = Halton(FrameNumber & 1023, 2);
|
|
Constant->Y = Halton(FrameNumber & 1023, 3);
|
|
}
|
|
|
|
struct FTonemapInputs
|
|
{
|
|
// [Optional] Render to the specified output. If invalid, a new texture is created and returned.
|
|
FScreenPassRenderTarget OverrideOutput;
|
|
|
|
// [Required] HDR scene color to tonemap.
|
|
FScreenPassTexture SceneColor;
|
|
|
|
// [Required] Filtered bloom texture to composite with tonemapped scene color. This should be transparent black for no bloom.
|
|
FScreenPassTexture Bloom;
|
|
|
|
// [Optional] structured buffer of multiply parameters to apply to the scene color.
|
|
FRDGBufferRef SceneColorApplyParamaters = nullptr;
|
|
|
|
// [Optional] Luminance bilateral grid. If this is null, local exposure is disabled.
|
|
FRDGTextureRef LocalExposureTexture = nullptr;
|
|
|
|
// [Optional] Blurred luminance texture used to calculate local exposure.
|
|
FRDGTextureRef BlurredLogLuminanceTexture = nullptr;
|
|
|
|
// [Required] Eye adaptation parameters.
|
|
const FEyeAdaptationParameters* EyeAdaptationParameters = nullptr;
|
|
|
|
// [Required] Color grading texture used to remap colors.
|
|
FRDGTextureRef ColorGradingTexture = nullptr;
|
|
|
|
// [Optional, SM5+] Eye adaptation texture used to compute exposure. If this is null, a default exposure value is used instead.
|
|
FRDGTextureRef EyeAdaptationTexture = nullptr;
|
|
|
|
// [Optional, ES31] Eye adaptation buffer used to compute exposure.
|
|
FRDGBufferRef EyeAdaptationBuffer = nullptr;
|
|
|
|
// [Raster Only, Mobile] Flips the image vertically on output.
|
|
bool bFlipYAxis = false;
|
|
|
|
// [Raster Only] Controls whether the alpha channel of the scene texture should be written to the output texture.
|
|
bool bWriteAlphaChannel = false;
|
|
|
|
// Configures the tonemapper to only perform gamma correction.
|
|
bool bGammaOnly = false;
|
|
|
|
// Whether to leave the final output in HDR.
|
|
bool bOutputInHDR = false;
|
|
|
|
bool bMetalMSAAHDRDecode = false;
|
|
|
|
// Returns whether ApplyParameters is supported by the tonemapper.
|
|
static bool SupportsSceneColorApplyParametersBuffer(EShaderPlatform Platform);
|
|
};
|
|
|
|
FScreenPassTexture AddTonemapPass(FRDGBuilder& GraphBuilder, const FViewInfo& View, const FTonemapInputs& Inputs);
|