#version 300 es out lowp vec4 _fragData; vec4 xll_tex2Dlod(sampler2D s, vec4 coord) { return textureLod( s, coord.xy, coord.w); } uniform sampler2D _MainTex; uniform vec4 _MainTex_TexelSize; vec4 FxaaTexOff( in sampler2D tex, in vec2 pos, in vec2 off, in vec2 rcpFrame ); vec4 FxaaTexLod0( in sampler2D tex, in vec2 pos ); float FxaaLuma( in vec3 rgb ); vec3 FxaaLerp3( in vec3 a, in vec3 b, in float amountOfA ); vec3 FxaaFilterReturn( in vec3 rgb ); vec3 FxaaPixelShader( in vec2 pos, in sampler2D tex, in vec2 rcpFrame ); vec4 xlat_main( in vec2 uv ); vec4 FxaaTexOff( in sampler2D tex, in vec2 pos, in vec2 off, in vec2 rcpFrame ) { return xll_tex2Dlod( tex, vec4( (pos.xy + (off * rcpFrame)), 0.0, 0.0)); } vec4 FxaaTexLod0( in sampler2D tex, in vec2 pos ) { return xll_tex2Dlod( tex, vec4( pos.xy, 0.0, 0.0)); } float FxaaLuma( in vec3 rgb ) { return ((rgb.y * (0.587 / 0.299)) + rgb.x); } vec3 FxaaLerp3( in vec3 a, in vec3 b, in float amountOfA ) { return ((vec3( (-amountOfA), (-amountOfA), (-amountOfA)) * b) + ((a * vec3( amountOfA, amountOfA, amountOfA)) + b)); } vec3 FxaaFilterReturn( in vec3 rgb ) { return rgb; } vec3 FxaaPixelShader( in vec2 pos, in sampler2D tex, in vec2 rcpFrame ) { vec3 rgbN = FxaaTexOff( tex, pos.xy, vec2( 0.0, -1.0), rcpFrame).xyz; vec3 rgbW = FxaaTexOff( tex, pos.xy, vec2( -1.0, 0.0), rcpFrame).xyz; vec3 rgbM = FxaaTexOff( tex, pos.xy, vec2( 0.0, 0.0), rcpFrame).xyz; vec3 rgbE = FxaaTexOff( tex, pos.xy, vec2( 1.0, 0.0), rcpFrame).xyz; vec3 rgbS = FxaaTexOff( tex, pos.xy, vec2( 0.0, 1.0), rcpFrame).xyz; float lumaN = FxaaLuma( rgbN); float lumaW = FxaaLuma( rgbW); float lumaM = FxaaLuma( rgbM); float lumaE = FxaaLuma( rgbE); float lumaS = FxaaLuma( rgbS); float rangeMin = min( lumaM, min( min( lumaN, lumaW), min( lumaS, lumaE))); float rangeMax = max( lumaM, max( max( lumaN, lumaW), max( lumaS, lumaE))); float range = (rangeMax - rangeMin); if ((range < max( (1.0 / 24.0), (rangeMax * (1.0 / 8.0))))){ return FxaaFilterReturn( rgbM); } vec3 rgbL = ((((rgbN + rgbW) + rgbM) + rgbE) + rgbS); float lumaL = ((((lumaN + lumaW) + lumaE) + lumaS) * 0.25); float rangeL = abs((lumaL - lumaM)); float blendL = (max( 0.0, ((rangeL / range) - (1.0 / 4.0))) * (1.0 / (1.0 - (1.0 / 4.0)))); blendL = min( (3.0 / 4.0), blendL); vec3 rgbNW = FxaaTexOff( tex, pos.xy, vec2( -1.0, -1.0), rcpFrame).xyz; vec3 rgbNE = FxaaTexOff( tex, pos.xy, vec2( 1.0, -1.0), rcpFrame).xyz; vec3 rgbSW = FxaaTexOff( tex, pos.xy, vec2( -1.0, 1.0), rcpFrame).xyz; vec3 rgbSE = FxaaTexOff( tex, pos.xy, vec2( 1.0, 1.0), rcpFrame).xyz; rgbL += (((rgbNW + rgbNE) + rgbSW) + rgbSE); rgbL *= vec3( (1.0 / 9.0), (1.0 / 9.0), (1.0 / 9.0)); float lumaNW = FxaaLuma( rgbNW); float lumaNE = FxaaLuma( rgbNE); float lumaSW = FxaaLuma( rgbSW); float lumaSE = FxaaLuma( rgbSE); float edgeVert = ((abs((((0.25 * lumaNW) + ((-0.5) * lumaN)) + (0.25 * lumaNE))) + abs((((0.5 * lumaW) + ((-1.0) * lumaM)) + (0.5 * lumaE)))) + abs((((0.25 * lumaSW) + ((-0.5) * lumaS)) + (0.25 * lumaSE)))); float edgeHorz = ((abs((((0.25 * lumaNW) + ((-0.5) * lumaW)) + (0.25 * lumaSW))) + abs((((0.5 * lumaN) + ((-1.0) * lumaM)) + (0.5 * lumaS)))) + abs((((0.25 * lumaNE) + ((-0.5) * lumaE)) + (0.25 * lumaSE)))); bool horzSpan = (edgeHorz >= edgeVert); float lengthSign = (( horzSpan ) ? ( (-rcpFrame.y) ) : ( (-rcpFrame.x) )); if ((!horzSpan)){ lumaN = lumaW; } if ((!horzSpan)){ lumaS = lumaE; } float gradientN = abs((lumaN - lumaM)); float gradientS = abs((lumaS - lumaM)); lumaN = ((lumaN + lumaM) * 0.5); lumaS = ((lumaS + lumaM) * 0.5); bool pairN = (gradientN >= gradientS); if ((!pairN)){ lumaN = lumaS; } if ((!pairN)){ gradientN = gradientS; } if ((!pairN)){ lengthSign *= (-1.0); } vec2 posN; posN.x = (pos.x + (( horzSpan ) ? ( 0.0 ) : ( (lengthSign * 0.5) ))); posN.y = (pos.y + (( horzSpan ) ? ( (lengthSign * 0.5) ) : ( 0.0 ))); gradientN *= (1.0 / 4.0); vec2 posP = posN; vec2 offNP = (( horzSpan ) ? ( vec2( rcpFrame.x, 0.0) ) : ( vec2( 0.0, rcpFrame.y) )); float lumaEndN = lumaN; float lumaEndP = lumaN; bool doneN = false; bool doneP = false; posN += (offNP * vec2( (-1.0), (-1.0))); posP += (offNP * vec2( 1.0, 1.0)); int i = 0; for ( ; (i < 16); (i++)) { if ((!doneN)){ lumaEndN = FxaaLuma( FxaaTexLod0( tex, posN.xy).xyz); } if ((!doneP)){ lumaEndP = FxaaLuma( FxaaTexLod0( tex, posP.xy).xyz); } doneN = (doneN || (abs((lumaEndN - lumaN)) >= gradientN)); doneP = (doneP || (abs((lumaEndP - lumaN)) >= gradientN)); if ((doneN && doneP)){ break; } if ((!doneN)){ posN -= offNP; } if ((!doneP)){ posP += offNP; } } float dstN = (( horzSpan ) ? ( (pos.x - posN.x) ) : ( (pos.y - posN.y) )); float dstP = (( horzSpan ) ? ( (posP.x - pos.x) ) : ( (posP.y - pos.y) )); bool directionN = (dstN < dstP); lumaEndN = (( directionN ) ? ( lumaEndN ) : ( lumaEndP )); if ((((lumaM - lumaN) < 0.0) == ((lumaEndN - lumaN) < 0.0))){ lengthSign = 0.0; } float spanLength = (dstP + dstN); dstN = (( directionN ) ? ( dstN ) : ( dstP )); float subPixelOffset = ((0.5 + (dstN * ((-1.0) / spanLength))) * lengthSign); vec3 rgbF = FxaaTexLod0( tex, vec2( (pos.x + (( horzSpan ) ? ( 0.0 ) : ( subPixelOffset ))), (pos.y + (( horzSpan ) ? ( subPixelOffset ) : ( 0.0 ))))).xyz; return FxaaFilterReturn( FxaaLerp3( rgbL, rgbF, blendL)); } vec4 xlat_main( in vec2 uv ) { return vec4( FxaaPixelShader( uv.xy, _MainTex, _MainTex_TexelSize.xy).xyz, 0.0); } in vec2 xlv_TEXCOORD0; void main() { vec4 xl_retval; xl_retval = xlat_main( vec2(xlv_TEXCOORD0)); _fragData = vec4(xl_retval); }