Engine/Shaders/CompilingShader-Definitions.usf

/*=============================================================================
	Definitions.usf: Defines undefined defines to 0 as Cg can't handle them.
	Copyright 1998-2008 Epic Games, Inc. All Rights Reserved.
=============================================================================*/

#define GEMINI_TODO										0

#ifndef MATERIAL_TWOSIDED
#define	MATERIAL_TWOSIDED								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_LIGHTINGMODEL_CUSTOM
#define	MATERIAL_LIGHTINGMODEL_CUSTOM					0
#endif

#ifndef MATERIAL_LIGHTINGMODEL_NONDIRECTIONAL
#define MATERIAL_LIGHTINGMODEL_NONDIRECTIONAL			0
#endif

#ifndef MATERIAL_LIGHTINGMODEL_PHONG
#define MATERIAL_LIGHTINGMODEL_PHONG					0
#endif

#ifndef MATERIAL_LIGHTINGMODEL_CUSTOM
#define	MATERIAL_LIGHTINGMODEL_CUSTOM					0
#endif

#ifndef MATERIAL_LIGHTINGMODEL_UNLIT
#define	MATERIAL_LIGHTINGMODEL_UNLIT					0
#endif

#ifndef WORLD_COORDS
#define WORLD_COORDS									0
#endif

#ifndef WORLD_POS
#define WORLD_POS									0
#endif

#ifndef STATICLIGHTING_TEXTUREMASK
#define STATICLIGHTING_TEXTUREMASK						0
#endif

#ifndef STATICLIGHTING_VERTEXMASK
#define STATICLIGHTING_VERTEXMASK						0
#endif

#ifndef VERTEX_LIGHTMAP
#define VERTEX_LIGHTMAP									0
#endif

#ifndef TEXTURE_LIGHTMAP
#define TEXTURE_LIGHTMAP								0
#endif

#ifndef COMPILER_CG
#define COMPILER_CG										0
#endif

#ifndef COMPILER_HLSL
#define COMPILER_HLSL									0
#endif

#ifndef COMPILER_SUPPORTS_ATTRIBUTES
#define COMPILER_SUPPORTS_ATTRIBUTES					0
#endif

#ifndef SM2_PROFILE
#define SM2_PROFILE										0
#endif

#ifndef SM4_PROFILE
#define SM4_PROFILE										0
#endif

#ifndef PS3
#define PS3												0
#endif

#ifndef XBOX
#define XBOX											0
#endif

#ifndef NEEDS_LIGHTMAP_COORDINATE
#define NEEDS_LIGHTMAP_COORDINATE						0
#endif

#ifndef SUPPORTS_DEPTH_TEXTURES
#define SUPPORTS_DEPTH_TEXTURES							0
#endif

#ifndef USE_LENSFLARE
#define USE_LENSFLARE									0
#endif	

#ifndef MATERIAL_USE_GAMMA_CORRECTION
#define MATERIAL_USE_GAMMA_CORRECTION					0
#endif

/** 
* Right now (6/2008) only the Xbox compiler supports empty structs, but only as out parameters. 
* We need to be able to use them as return values as well.
*/
#define COMPILER_SUPPORTS_EMPTY_STRUCTS					0

#if XBOX || SM4_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]
/** Executes the conditional part of an if statement when the condition is true for all threads on which the current shader is running. */
#define IFALL											[ifAll]
/** Executes the conditional part of an if statement when the condition is true for any thread on which the current shader is running. */
#define IFANY											[ifAny]
#else
#define UNROLL
#define LOOP
#define BRANCH
#define FLATTEN
#define IFALL
#define IFANY
#endif

#if XBOX
/** Optimizes the specified HLSL code independently of the surrounding code. */
#define ISOLATE											[isolate]
#else
/** Not supported on other platforms */
#define ISOLATE
#endif