/*
	menbprepassinternals.fx : MariENB prepass internal variables.
	(C)2013-2016 Marisa Kirisame, UnSX Team.
	Part of MariENB, the personal ENB of Marisa.
	Released under the GNU GPLv3 (or later).
*/
/* mathematical constants */
static const float pi = 3.1415926535898;
/* edge detect factors */
static const float3x3 GX =
{
	-1, 0, 1,
	-2, 0, 2,
	-1, 0, 1
};
static const float3x3 GY =
{
	 1, 2, 1,
	 0, 0, 0,
	-1,-2,-1
};
/* radius: 8, std dev: 6 */
static const float gauss8[8] =
{
	0.084247, 0.083085, 0.079694, 0.074348,
	0.067460, 0.059533, 0.051099, 0.042657
};
/* radius: 16, std dev: 13 */
static const float gauss16[16] =
{
	0.040012, 0.039893, 0.039541, 0.038960,
	0.038162, 0.037159, 0.035969, 0.034612,
	0.033109, 0.031485, 0.029764, 0.027971,
	0.026131, 0.024268, 0.022405, 0.020563
};
/* SSAO samples */
static const float3 ssao_samples[16] = 
{
	float3( 0.0000,-0.0002, 0.0000),float3(-0.0004, 0.0013, 0.0014),
	float3(-0.0030, 0.0048,-0.0034),float3( 0.0147, 0.0046,-0.0026),
	float3(-0.0097, 0.0275,-0.0092),float3(-0.0178,-0.0072, 0.0491),
	float3( 0.0227,-0.0431,-0.0681),float3( 0.1052, 0.0332,-0.0588),
	float3( 0.0997, 0.0056, 0.1473),float3(-0.1252, 0.2019, 0.0564),
	float3(-0.1054,-0.2072, 0.2271),float3(-0.0542, 0.3096, 0.2814),
	float3( 0.0072,-0.3534, 0.4035),float3(-0.0024,-0.2385, 0.6260),
	float3(-0.1940, 0.5722,-0.5602),float3(-0.0910,-0.7548,-0.6497)
};
/* For high quality DOF */
static const float2 poisson32[32] =
{
	float2( 0.7284430,-0.1927130),float2( 0.4051600,-0.2312710),
	float2( 0.9535280, 0.0669683),float2( 0.6544140,-0.4439470),
	float2( 0.6029910, 0.1058970),float2( 0.2637500,-0.7163810),
	float2( 0.9105380,-0.3889810),float2( 0.5942730,-0.7400740),
	float2( 0.8215680, 0.3162520),float2( 0.3577550, 0.4884250),
	float2( 0.6935990, 0.7070140),float2( 0.0470570, 0.1961800),
	float2(-0.0977021, 0.6241300),float2( 0.2110300, 0.8778350),
	float2(-0.3743440, 0.2494580),float2( 0.0144776,-0.0766484),
	float2(-0.3377660,-0.1255100),float2( 0.3136420, 0.1077710),
	float2(-0.5204340, 0.8369860),float2(-0.1182680, 0.9801750),
	float2(-0.6969480,-0.3869330),float2(-0.6156080, 0.0307209),
	float2(-0.3806790,-0.6055360),float2(-0.1909570,-0.3861330),
	float2(-0.2449080,-0.8655030),float2( 0.0822108,-0.4975580),
	float2(-0.5649250, 0.5756740),float2(-0.8741830,-0.1685750),
	float2( 0.0761715,-0.9631760),float2(-0.9218270, 0.2121210),
	float2(-0.6378530, 0.3053550),float2(-0.8425180, 0.4753000)
};
/* standard stuff */
float4 ScreenSize;
float ENightDayFactor;
float EInteriorFactor;
float FadeFactor;
float4 Timer;
float FieldOfView;
float4 WeatherAndTime;
/* this still doesn't do anything */
extern float fWaterLevel;
/* samplers and textures */
texture2D texColor;
texture2D texDepth;
texture2D texNoise3
<
	string ResourceName = "menbnoise2.png";
>;
texture2D texHeat
<
#ifdef HEAT_DDS
	string ResourceName = "menbheat.dds";
#else
	string ResourceName = "menbheat.png";
#endif
>;
texture2D texFrost
<
#ifdef FROST_DDS
	string ResourceName = "menbfrost.dds";
#else
	string ResourceName = "menbfrost.png";
#endif
>;
texture2D texFrostBump
<
#ifdef FROSTBUMP_DDS
	string ResourceName = "menbfrostbump.dds";
#else
	string ResourceName = "menbfrostbump.png";
#endif
>;
texture2D texFocus;
texture2D texCurr;
texture2D texPrev;
sampler2D SamplerColor = sampler_state
{
	Texture = <texColor>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Clamp;
	AddressV = Clamp;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerDepth = sampler_state
{
	Texture = <texDepth>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Clamp;
	AddressV = Clamp;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerNoise3 = sampler_state
{
	Texture = <texNoise3>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Wrap;
	AddressV = Wrap;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerHeat = sampler_state
{
	Texture = <texHeat>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Wrap;
	AddressV = Wrap;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerFrost = sampler_state
{
	Texture = <texFrost>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Wrap;
	AddressV = Wrap;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerFrostBump = sampler_state
{
	Texture = <texFrostBump>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Wrap;
	AddressV = Wrap;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerFocus = sampler_state
{
	Texture = <texFocus>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Clamp;
	AddressV = Clamp;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerCurr = sampler_state
{
	Texture = <texCurr>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Clamp;
	AddressV = Clamp;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
sampler2D SamplerPrev = sampler_state
{
	Texture = <texPrev>;
	MinFilter = LINEAR;
	MagFilter = LINEAR;
	MipFilter = NONE;
	AddressU = Clamp;
	AddressV = Clamp;
	SRGBTexture = FALSE;
	MaxMipLevel = 0;
	MipMapLodBias = 0;
};
/* whatever */
struct VS_OUTPUT_POST
{
	float4 vpos : POSITION;
	float2 txcoord : TEXCOORD0;
};
struct VS_INPUT_POST
{
	float3 pos : POSITION;
	float2 txcoord : TEXCOORD0;
};