You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
1491943760
Next would be to have the fully simplified mode disable anisotropy to have an even lower payload size. #rb charles.derousiers #preflight https://horde.devtools.epicgames.com/job/6422ad44973e609670e855c8 [CL 24815921 by Sebastien Hillaire in ue5-main branch]
78 lines
3.3 KiB
C
78 lines
3.3 KiB
C
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
/*================================================================================================
|
|
StrataDefinitions.ush: used in ray tracing shaders and C++ code to define common constants
|
|
!!! Changing this file requires recompilation of the engine !!!
|
|
=================================================================================================*/
|
|
|
|
#pragma once
|
|
|
|
// Change this to force recompilation of all strata dependent shaders (use https://www.random.org/cgi-bin/randbyte?nbytes=4&format=h)
|
|
#define STRATA_SHADER_VERSION 0xbd4a70e7
|
|
|
|
|
|
|
|
#define STRATA_MAX_BSDF_COUNT 15
|
|
#define STRATA_MAX_OPERATOR_COUNT 15
|
|
|
|
// It this is changed, STATE_BIT_COUNT_SHAREDLOCALBASESID and HEADER_BIT_COUNT_SHAREDLOCALBASES_COUNT also needs to be updated
|
|
#define STRATA_MAX_SHAREDLOCALBASES_REGISTERS 4
|
|
|
|
#define STRATA_PACKED_SHAREDLOCALBASIS_STRIDE_BYTES 4
|
|
|
|
// As of today, a fully simplified material is a slab with all features allowed. It can thus be complex if anisotropy is enabled and in this case eats up to 32bytes.
|
|
// STRATA_TODO: fully simplified should remove all features but fuzz maybe.
|
|
#define STRATA_FULLY_SIMPLIFIED_NUM_UINTS (32/4)
|
|
|
|
#define STRATA_BSDF_TYPE_SLAB 0
|
|
#define STRATA_BSDF_TYPE_VOLUMETRICFOGCLOUD 1
|
|
#define STRATA_BSDF_TYPE_UNLIT 2
|
|
#define STRATA_BSDF_TYPE_HAIR 3
|
|
#define STRATA_BSDF_TYPE_SINGLELAYERWATER 4
|
|
#define STRATA_BSDF_TYPE_EYE 5
|
|
// When more than 7 BSDF must exists, please update STATE_BIT_COUNT_BSDF and FStrataClassification.ShadingModels packing in Strata.ush
|
|
|
|
// The size of strata material classification tiles on screen
|
|
#define STRATA_TILE_SIZE 8
|
|
#define STRATA_TILE_SIZE_DIV_AS_SHIFT 3
|
|
|
|
// The default thickness of a layer is considered to be 0.01 centimeter = 0.1 millimeter
|
|
#define STRATA_LAYER_DEFAULT_THICKNESS_CM 0.01f
|
|
|
|
// Min Fuzz Roughness to avoid numerical issue
|
|
#define STRATA_MIN_FUZZ_ROUGHNESS 0.02f
|
|
|
|
#define STRATA_BASE_PASS_MRT_OUTPUT_COUNT 3
|
|
|
|
#define STRATA_SSS_DATA_UINT_COUNT 2
|
|
|
|
#define STRATA_OPERATOR_WEIGHT 0
|
|
#define STRATA_OPERATOR_VERTICAL 1
|
|
#define STRATA_OPERATOR_HORIZONTAL 2
|
|
#define STRATA_OPERATOR_ADD 3
|
|
#define STRATA_OPERATOR_BSDF 4
|
|
#define STRATA_OPERATOR_BSDF_LEGACY 5
|
|
|
|
// This must map directly to EStrataTileMaterialType
|
|
#define STRATA_TILE_TYPE_SIMPLE 0
|
|
#define STRATA_TILE_TYPE_SINGLE 1
|
|
#define STRATA_TILE_TYPE_COMPLEX 2
|
|
#define STRATA_TILE_TYPE_ROUGH_REFRACT 3
|
|
#define STRATA_TILE_TYPE_ROUGH_REFRACT_SSS_WITHOUT 4
|
|
#define STRATA_TILE_TYPE_DECAL_SIMPLE 5
|
|
#define STRATA_TILE_TYPE_DECAL_SINGLE 6
|
|
#define STRATA_TILE_TYPE_DECAL_COMPLEX 7
|
|
#define STRATA_TILE_TYPE_COUNT 8
|
|
|
|
// sizeof(FRHIDrawIndirectParameters) = 4 uints = 16 bytes
|
|
#define GetStrataTileTypeDrawIndirectArgOffset_Byte(x) (x * 16)
|
|
#define GetStrataTileTypeDrawIndirectArgOffset_DWord(x) (x * 4)
|
|
|
|
// sizeof(FRHIDispatchIndirectParameters) can vary per-platform
|
|
#ifdef __cplusplus
|
|
#define GetStrataTileTypeDispatchIndirectArgOffset_Byte(x) (x * sizeof(FRHIDispatchIndirectParameters))
|
|
#define GetStrataTileTypeDispatchIndirectArgOffset_DWord(x) (x * sizeof(FRHIDispatchIndirectParameters) / sizeof(uint32))
|
|
#else
|
|
#define GetStrataTileTypeDispatchIndirectArgOffset_Byte(x) (x * DISPATCH_INDIRECT_UINT_COUNT * 4)
|
|
#define GetStrataTileTypeDispatchIndirectArgOffset_DWord(x) (x * DISPATCH_INDIRECT_UINT_COUNT)
|
|
#endif |