UnrealEngineUWP/Engine/Shaders/Definitions.usf

// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.

/*=============================================================================
	Definitions.usf: Defines undefined defines to 0 as Cg can't handle them.
=============================================================================*/

#pragma once

#ifndef MATERIAL_TWOSIDED
#define	MATERIAL_TWOSIDED								0
#endif

#ifndef MATERIAL_TANGENTSPACENORMAL
#define	MATERIAL_TANGENTSPACENORMAL						0
#endif

#ifndef MATERIAL_TWOSIDED_SEPARATE_PASS
#define	MATERIAL_TWOSIDED_SEPARATE_PASS					0
#endif

#ifndef MATERIALBLENDING_MASKED
#define MATERIALBLENDING_MASKED							0
#endif

#ifndef MATERIALBLENDING_TRANSLUCENT
#define MATERIALBLENDING_TRANSLUCENT					0
#endif

#ifndef MATERIALBLENDING_ADDITIVE
#define MATERIALBLENDING_ADDITIVE						0
#endif

#ifndef MATERIALBLENDING_MODULATE
#define MATERIALBLENDING_MODULATE						0
#endif

#ifndef MATERIAL_SHADINGMODEL_DEFAULT_LIT
#define MATERIAL_SHADINGMODEL_DEFAULT_LIT				0
#endif

#ifndef MATERIAL_SHADINGMODEL_SUBSURFACE
#define MATERIAL_SHADINGMODEL_SUBSURFACE				0
#endif

#ifndef MATERIAL_SHADINGMODEL_PREINTEGRATED_SKIN
#define MATERIAL_SHADINGMODEL_PREINTEGRATED_SKIN		0
#endif

#ifndef MATERIAL_SHADINGMODEL_UNLIT
#define	MATERIAL_SHADINGMODEL_UNLIT						0
#endif

#ifndef HAS_PRIMITIVE_UNIFORM_BUFFER
#define	HAS_PRIMITIVE_UNIFORM_BUFFER					0
#endif

#ifndef OUTPUT_DEPTH_TO_ALPHA
#define OUTPUT_DEPTH_TO_ALPHA							0
#endif

#ifndef COMPILER_HLSLCC
#define COMPILER_HLSLCC									0
#endif

#ifndef COMPILER_HLSL
#define COMPILER_HLSL									0
#endif

#ifndef COMPILER_GLSL
#define COMPILER_GLSL									0
#endif

#ifndef COMPILER_GLSL_ES2
#define COMPILER_GLSL_ES2									0
#endif

#ifndef COMPILER_METAL
#define COMPILER_METAL									0
#endif

#ifndef COMPILER_SUPPORTS_ATTRIBUTES
#define COMPILER_SUPPORTS_ATTRIBUTES					0
#endif

#ifndef SM5_PROFILE
#define SM5_PROFILE										0
#endif

#ifndef SM4_PROFILE
#define SM4_PROFILE										0
#endif

#ifndef ES2_PROFILE
#define ES2_PROFILE										0
#endif

#ifndef ES3_1_PROFILE
#define ES3_1_PROFILE									0
#endif

#ifndef METAL_PROFILE
#define METAL_PROFILE									0
#endif

#ifndef METAL_MRT_PROFILE
#define METAL_MRT_PROFILE								0
#endif

#ifndef METAL_SM4_PROFILE
#define METAL_SM4_PROFILE								0
#endif

#ifndef METAL_SM5_PROFILE
#define METAL_SM5_PROFILE								0
#endif

#ifndef VULKAN_PROFILE
#define	VULKAN_PROFILE									0
#endif

#ifndef IOS
#define IOS												0
#endif

#ifndef MAC
#define MAC												0
#endif

#ifndef USING_TESSELLATION
#define USING_TESSELLATION								0
#endif

#ifndef OUTPUT_GBUFFER_VELOCITY
#define OUTPUT_GBUFFER_VELOCITY									0
#endif

#define PC_D3D											SM5_PROFILE

#ifndef NEEDS_LIGHTMAP_COORDINATE
#define NEEDS_LIGHTMAP_COORDINATE						0
#endif

#ifndef TESSELLATION_TYPE_FLAT
#define TESSELLATION_TYPE_FLAT							0
#endif

#ifndef TESSELLATION_TYPE_PNTRIANGLES
#define TESSELLATION_TYPE_PNTRIANGLES					0
#endif

#ifndef USE_ADAPTIVE_TESSELLATION_FACTOR
#define USE_ADAPTIVE_TESSELLATION_FACTOR				1
#endif

#ifndef LANDSCAPE_XYOFFSET
#define LANDSCAPE_XYOFFSET								0
#endif

#ifndef MATERIAL_ATMOSPHERIC_FOG
#define	MATERIAL_ATMOSPHERIC_FOG						0
#endif

#ifndef BASEPASS_ATMOSPHERIC_FOG
#define	BASEPASS_ATMOSPHERIC_FOG						0
#endif

#ifndef NUM_VF_PACKED_INTERPOLANTS
#define NUM_VF_PACKED_INTERPOLANTS						0
#endif

#ifndef INVARIANT
#define INVARIANT										
#endif

#ifndef ENABLE_RE_Z
#define ENABLE_RE_Z
#endif

#ifndef USE_CLEARCOAT
#define USE_CLEARCOAT									0
#endif

#if SM5_PROFILE || COMPILER_SUPPORTS_ATTRIBUTES
/** Avoids flow control constructs. */
#define UNROLL											[unroll]
/** Gives preference to flow control constructs. */
#define LOOP											[loop]
/** Performs branching by using control flow instructions like jmp and label. */
#define BRANCH											[branch]
/** Performs branching by using the cnd instructions. */
#define FLATTEN											[flatten]
/** Allows a compute shader loop termination condition to be based off of a UAV read. The loop must not contain synchronization intrinsics. */
#define ALLOW_UAV_CONDITION								[allow_uav_condition]
#else
#ifndef UNROLL
#define UNROLL
#endif
#ifndef LOOP
#define LOOP
#endif
#ifndef BRANCH
#define BRANCH
#endif
#ifndef FLATTEN
#define FLATTEN
#endif
#endif

#define ISOLATE
#define NOEXPRESSIONOPTIMIZATIONS						

#if SM5_PROFILE
#define EARLYDEPTHSTENCIL [earlydepthstencil]
#else
#define EARLYDEPTHSTENCIL
#endif

#ifndef HAS_INVERTED_Z_BUFFER
#define HAS_INVERTED_Z_BUFFER	1
#endif

/** When defined sets the layer index for volumetric rendering in the vertex shader, rather than using a geometry shader */
#ifndef USING_VERTEX_SHADER_LAYER
#define USING_VERTEX_SHADER_LAYER	0
#endif

// 'static' asserts
#if COMPILER_GLSL || COMPILER_GLSL_ES2 || VULKAN_PROFILE || METAL_PROFILE || METAL_MRT_PROFILE || METAL_SM4_PROFILE || METAL_SM5_PROFILE
#if !COMPILER_HLSLCC
#error "Missing COMPILER_HLSLCC define!"
#endif
#endif