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1115 lines
58 KiB
1115 lines
58 KiB
/**
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* @author alteredq / http://alteredqualia.com/
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* @author davidedc / http://www.sketchpatch.net/
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*
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* NVIDIA FXAA by Timothy Lottes
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* http://timothylottes.blogspot.com/2011/06/fxaa3-source-released.html
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* - WebGL port by @supereggbert
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* http://www.glge.org/demos/fxaa/
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*/
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THREE.FXAAShader = {
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uniforms: {
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"tDiffuse": { value: null },
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"resolution": { value: new THREE.Vector2( 1 / 1024, 1 / 512 ) }
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},
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vertexShader: [
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"varying vec2 vUv;",
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"void main() {",
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"vUv = uv;",
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"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
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"}"
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].join( "\n" ),
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fragmentShader: [
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"precision highp float;",
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"",
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"uniform sampler2D tDiffuse;",
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"",
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"uniform vec2 resolution;",
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"",
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"varying vec2 vUv;",
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"",
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"// FXAA 3.11 implementation by NVIDIA, ported to WebGL by Agost Biro (biro@archilogic.com)",
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"",
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"//----------------------------------------------------------------------------------",
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"// File: es3-kepler\FXAA\assets\shaders/FXAA_DefaultES.frag",
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"// SDK Version: v3.00",
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"// Email: gameworks@nvidia.com",
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"// Site: http://developer.nvidia.com/",
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"//",
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"// Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.",
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"//",
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"// Redistribution and use in source and binary forms, with or without",
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"// modification, are permitted provided that the following conditions",
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"// are met:",
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"// * Redistributions of source code must retain the above copyright",
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"// notice, this list of conditions and the following disclaimer.",
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"// * Redistributions in binary form must reproduce the above copyright",
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"// notice, this list of conditions and the following disclaimer in the",
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"// documentation and/or other materials provided with the distribution.",
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"// * Neither the name of NVIDIA CORPORATION nor the names of its",
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"// contributors may be used to endorse or promote products derived",
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"// from this software without specific prior written permission.",
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"//",
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"// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY",
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"// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE",
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"// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR",
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"// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR",
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"// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,",
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"// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,",
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"// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR",
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"// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY",
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"// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT",
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"// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE",
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"// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.",
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"//",
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"//----------------------------------------------------------------------------------",
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"",
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"#define FXAA_PC 1",
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"#define FXAA_GLSL_100 1",
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"#define FXAA_QUALITY_PRESET 12",
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"",
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"#define FXAA_GREEN_AS_LUMA 1",
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"",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_PC_CONSOLE",
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" //",
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" // The console algorithm for PC is included",
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" // for developers targeting really low spec machines.",
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" // Likely better to just run FXAA_PC, and use a really low preset.",
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" //",
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" #define FXAA_PC_CONSOLE 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_GLSL_120",
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" #define FXAA_GLSL_120 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_GLSL_130",
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" #define FXAA_GLSL_130 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_HLSL_3",
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" #define FXAA_HLSL_3 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_HLSL_4",
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" #define FXAA_HLSL_4 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_HLSL_5",
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" #define FXAA_HLSL_5 0",
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"#endif",
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"/*==========================================================================*/",
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"#ifndef FXAA_GREEN_AS_LUMA",
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" //",
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" // For those using non-linear color,",
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" // and either not able to get luma in alpha, or not wanting to,",
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" // this enables FXAA to run using green as a proxy for luma.",
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" // So with this enabled, no need to pack luma in alpha.",
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" //",
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" // This will turn off AA on anything which lacks some amount of green.",
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" // Pure red and blue or combination of only R and B, will get no AA.",
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" //",
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" // Might want to lower the settings for both,",
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" // fxaaConsoleEdgeThresholdMin",
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" // fxaaQualityEdgeThresholdMin",
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" // In order to insure AA does not get turned off on colors",
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" // which contain a minor amount of green.",
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" //",
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" // 1 = On.",
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" // 0 = Off.",
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" //",
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" #define FXAA_GREEN_AS_LUMA 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_EARLY_EXIT",
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" //",
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" // Controls algorithm's early exit path.",
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" // On PS3 turning this ON adds 2 cycles to the shader.",
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" // On 360 turning this OFF adds 10ths of a millisecond to the shader.",
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" // Turning this off on console will result in a more blurry image.",
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" // So this defaults to on.",
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" //",
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" // 1 = On.",
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" // 0 = Off.",
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" //",
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" #define FXAA_EARLY_EXIT 1",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_DISCARD",
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" //",
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" // Only valid for PC OpenGL currently.",
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" // Probably will not work when FXAA_GREEN_AS_LUMA = 1.",
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" //",
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" // 1 = Use discard on pixels which don't need AA.",
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" // For APIs which enable concurrent TEX+ROP from same surface.",
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" // 0 = Return unchanged color on pixels which don't need AA.",
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" //",
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" #define FXAA_DISCARD 0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_FAST_PIXEL_OFFSET",
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" //",
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" // Used for GLSL 120 only.",
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" //",
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" // 1 = GL API supports fast pixel offsets",
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" // 0 = do not use fast pixel offsets",
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" //",
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" #ifdef GL_EXT_gpu_shader4",
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" #define FXAA_FAST_PIXEL_OFFSET 1",
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" #endif",
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" #ifdef GL_NV_gpu_shader5",
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" #define FXAA_FAST_PIXEL_OFFSET 1",
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" #endif",
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" #ifdef GL_ARB_gpu_shader5",
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" #define FXAA_FAST_PIXEL_OFFSET 1",
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" #endif",
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" #ifndef FXAA_FAST_PIXEL_OFFSET",
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" #define FXAA_FAST_PIXEL_OFFSET 0",
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" #endif",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#ifndef FXAA_GATHER4_ALPHA",
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" //",
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" // 1 = API supports gather4 on alpha channel.",
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" // 0 = API does not support gather4 on alpha channel.",
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" //",
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" #if (FXAA_HLSL_5 == 1)",
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" #define FXAA_GATHER4_ALPHA 1",
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" #endif",
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" #ifdef GL_ARB_gpu_shader5",
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" #define FXAA_GATHER4_ALPHA 1",
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" #endif",
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" #ifdef GL_NV_gpu_shader5",
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" #define FXAA_GATHER4_ALPHA 1",
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" #endif",
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" #ifndef FXAA_GATHER4_ALPHA",
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" #define FXAA_GATHER4_ALPHA 0",
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" #endif",
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"#endif",
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"",
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"",
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"/*============================================================================",
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" FXAA QUALITY - TUNING KNOBS",
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"------------------------------------------------------------------------------",
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"NOTE the other tuning knobs are now in the shader function inputs!",
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"============================================================================*/",
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"#ifndef FXAA_QUALITY_PRESET",
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" //",
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" // Choose the quality preset.",
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" // This needs to be compiled into the shader as it effects code.",
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" // Best option to include multiple presets is to",
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" // in each shader define the preset, then include this file.",
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" //",
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" // OPTIONS",
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" // -----------------------------------------------------------------------",
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" // 10 to 15 - default medium dither (10=fastest, 15=highest quality)",
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" // 20 to 29 - less dither, more expensive (20=fastest, 29=highest quality)",
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" // 39 - no dither, very expensive",
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" //",
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" // NOTES",
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" // -----------------------------------------------------------------------",
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" // 12 = slightly faster then FXAA 3.9 and higher edge quality (default)",
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" // 13 = about same speed as FXAA 3.9 and better than 12",
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" // 23 = closest to FXAA 3.9 visually and performance wise",
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" // _ = the lowest digit is directly related to performance",
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" // _ = the highest digit is directly related to style",
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" //",
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" #define FXAA_QUALITY_PRESET 12",
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"#endif",
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"",
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"",
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"/*============================================================================",
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"",
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" FXAA QUALITY - PRESETS",
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"",
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"============================================================================*/",
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"",
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"/*============================================================================",
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" FXAA QUALITY - MEDIUM DITHER PRESETS",
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"============================================================================*/",
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"#if (FXAA_QUALITY_PRESET == 10)",
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" #define FXAA_QUALITY_PS 3",
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" #define FXAA_QUALITY_P0 1.5",
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" #define FXAA_QUALITY_P1 3.0",
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" #define FXAA_QUALITY_P2 12.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 11)",
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" #define FXAA_QUALITY_PS 4",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 3.0",
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" #define FXAA_QUALITY_P3 12.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 12)",
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" #define FXAA_QUALITY_PS 5",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 4.0",
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" #define FXAA_QUALITY_P4 12.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 13)",
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" #define FXAA_QUALITY_PS 6",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 4.0",
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" #define FXAA_QUALITY_P5 12.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 14)",
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" #define FXAA_QUALITY_PS 7",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 4.0",
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" #define FXAA_QUALITY_P6 12.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 15)",
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" #define FXAA_QUALITY_PS 8",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 2.0",
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" #define FXAA_QUALITY_P6 4.0",
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" #define FXAA_QUALITY_P7 12.0",
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"#endif",
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"",
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"/*============================================================================",
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" FXAA QUALITY - LOW DITHER PRESETS",
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"============================================================================*/",
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"#if (FXAA_QUALITY_PRESET == 20)",
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" #define FXAA_QUALITY_PS 3",
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" #define FXAA_QUALITY_P0 1.5",
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" #define FXAA_QUALITY_P1 2.0",
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" #define FXAA_QUALITY_P2 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 21)",
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" #define FXAA_QUALITY_PS 4",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 22)",
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" #define FXAA_QUALITY_PS 5",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 23)",
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" #define FXAA_QUALITY_PS 6",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 24)",
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" #define FXAA_QUALITY_PS 7",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 3.0",
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" #define FXAA_QUALITY_P6 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 25)",
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" #define FXAA_QUALITY_PS 8",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 2.0",
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" #define FXAA_QUALITY_P6 4.0",
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" #define FXAA_QUALITY_P7 8.0",
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"#endif",
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 26)",
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" #define FXAA_QUALITY_PS 9",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 2.0",
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" #define FXAA_QUALITY_P6 2.0",
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" #define FXAA_QUALITY_P7 4.0",
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" #define FXAA_QUALITY_P8 8.0",
|
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"#endif",
|
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 27)",
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" #define FXAA_QUALITY_PS 10",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
|
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" #define FXAA_QUALITY_P3 2.0",
|
|
" #define FXAA_QUALITY_P4 2.0",
|
|
" #define FXAA_QUALITY_P5 2.0",
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|
" #define FXAA_QUALITY_P6 2.0",
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" #define FXAA_QUALITY_P7 2.0",
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" #define FXAA_QUALITY_P8 4.0",
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" #define FXAA_QUALITY_P9 8.0",
|
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"#endif",
|
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"/*--------------------------------------------------------------------------*/",
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"#if (FXAA_QUALITY_PRESET == 28)",
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" #define FXAA_QUALITY_PS 11",
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" #define FXAA_QUALITY_P0 1.0",
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" #define FXAA_QUALITY_P1 1.5",
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" #define FXAA_QUALITY_P2 2.0",
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|
" #define FXAA_QUALITY_P3 2.0",
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" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 2.0",
|
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" #define FXAA_QUALITY_P6 2.0",
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" #define FXAA_QUALITY_P7 2.0",
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|
" #define FXAA_QUALITY_P8 2.0",
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" #define FXAA_QUALITY_P9 4.0",
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" #define FXAA_QUALITY_P10 8.0",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_QUALITY_PRESET == 29)",
|
|
" #define FXAA_QUALITY_PS 12",
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|
" #define FXAA_QUALITY_P0 1.0",
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|
" #define FXAA_QUALITY_P1 1.5",
|
|
" #define FXAA_QUALITY_P2 2.0",
|
|
" #define FXAA_QUALITY_P3 2.0",
|
|
" #define FXAA_QUALITY_P4 2.0",
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" #define FXAA_QUALITY_P5 2.0",
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" #define FXAA_QUALITY_P6 2.0",
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" #define FXAA_QUALITY_P7 2.0",
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" #define FXAA_QUALITY_P8 2.0",
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" #define FXAA_QUALITY_P9 2.0",
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" #define FXAA_QUALITY_P10 4.0",
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" #define FXAA_QUALITY_P11 8.0",
|
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"#endif",
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"",
|
|
"/*============================================================================",
|
|
" FXAA QUALITY - EXTREME QUALITY",
|
|
"============================================================================*/",
|
|
"#if (FXAA_QUALITY_PRESET == 39)",
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|
" #define FXAA_QUALITY_PS 12",
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|
" #define FXAA_QUALITY_P0 1.0",
|
|
" #define FXAA_QUALITY_P1 1.0",
|
|
" #define FXAA_QUALITY_P2 1.0",
|
|
" #define FXAA_QUALITY_P3 1.0",
|
|
" #define FXAA_QUALITY_P4 1.0",
|
|
" #define FXAA_QUALITY_P5 1.5",
|
|
" #define FXAA_QUALITY_P6 2.0",
|
|
" #define FXAA_QUALITY_P7 2.0",
|
|
" #define FXAA_QUALITY_P8 2.0",
|
|
" #define FXAA_QUALITY_P9 2.0",
|
|
" #define FXAA_QUALITY_P10 4.0",
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|
" #define FXAA_QUALITY_P11 8.0",
|
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"#endif",
|
|
"",
|
|
"",
|
|
"",
|
|
"/*============================================================================",
|
|
"",
|
|
" API PORTING",
|
|
"",
|
|
"============================================================================*/",
|
|
"#if (FXAA_GLSL_100 == 1) || (FXAA_GLSL_120 == 1) || (FXAA_GLSL_130 == 1)",
|
|
" #define FxaaBool bool",
|
|
" #define FxaaDiscard discard",
|
|
" #define FxaaFloat float",
|
|
" #define FxaaFloat2 vec2",
|
|
" #define FxaaFloat3 vec3",
|
|
" #define FxaaFloat4 vec4",
|
|
" #define FxaaHalf float",
|
|
" #define FxaaHalf2 vec2",
|
|
" #define FxaaHalf3 vec3",
|
|
" #define FxaaHalf4 vec4",
|
|
" #define FxaaInt2 ivec2",
|
|
" #define FxaaSat(x) clamp(x, 0.0, 1.0)",
|
|
" #define FxaaTex sampler2D",
|
|
"#else",
|
|
" #define FxaaBool bool",
|
|
" #define FxaaDiscard clip(-1)",
|
|
" #define FxaaFloat float",
|
|
" #define FxaaFloat2 float2",
|
|
" #define FxaaFloat3 float3",
|
|
" #define FxaaFloat4 float4",
|
|
" #define FxaaHalf half",
|
|
" #define FxaaHalf2 half2",
|
|
" #define FxaaHalf3 half3",
|
|
" #define FxaaHalf4 half4",
|
|
" #define FxaaSat(x) saturate(x)",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_GLSL_100 == 1)",
|
|
" #define FxaaTexTop(t, p) texture2D(t, p, 0.0)",
|
|
" #define FxaaTexOff(t, p, o, r) texture2D(t, p + (o * r), 0.0)",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_GLSL_120 == 1)",
|
|
" // Requires,",
|
|
" // #version 120",
|
|
" // And at least,",
|
|
" // #extension GL_EXT_gpu_shader4 : enable",
|
|
" // (or set FXAA_FAST_PIXEL_OFFSET 1 to work like DX9)",
|
|
" #define FxaaTexTop(t, p) texture2DLod(t, p, 0.0)",
|
|
" #if (FXAA_FAST_PIXEL_OFFSET == 1)",
|
|
" #define FxaaTexOff(t, p, o, r) texture2DLodOffset(t, p, 0.0, o)",
|
|
" #else",
|
|
" #define FxaaTexOff(t, p, o, r) texture2DLod(t, p + (o * r), 0.0)",
|
|
" #endif",
|
|
" #if (FXAA_GATHER4_ALPHA == 1)",
|
|
" // use #extension GL_ARB_gpu_shader5 : enable",
|
|
" #define FxaaTexAlpha4(t, p) textureGather(t, p, 3)",
|
|
" #define FxaaTexOffAlpha4(t, p, o) textureGatherOffset(t, p, o, 3)",
|
|
" #define FxaaTexGreen4(t, p) textureGather(t, p, 1)",
|
|
" #define FxaaTexOffGreen4(t, p, o) textureGatherOffset(t, p, o, 1)",
|
|
" #endif",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_GLSL_130 == 1)",
|
|
" // Requires \"#version 130\" or better",
|
|
" #define FxaaTexTop(t, p) textureLod(t, p, 0.0)",
|
|
" #define FxaaTexOff(t, p, o, r) textureLodOffset(t, p, 0.0, o)",
|
|
" #if (FXAA_GATHER4_ALPHA == 1)",
|
|
" // use #extension GL_ARB_gpu_shader5 : enable",
|
|
" #define FxaaTexAlpha4(t, p) textureGather(t, p, 3)",
|
|
" #define FxaaTexOffAlpha4(t, p, o) textureGatherOffset(t, p, o, 3)",
|
|
" #define FxaaTexGreen4(t, p) textureGather(t, p, 1)",
|
|
" #define FxaaTexOffGreen4(t, p, o) textureGatherOffset(t, p, o, 1)",
|
|
" #endif",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_HLSL_3 == 1)",
|
|
" #define FxaaInt2 float2",
|
|
" #define FxaaTex sampler2D",
|
|
" #define FxaaTexTop(t, p) tex2Dlod(t, float4(p, 0.0, 0.0))",
|
|
" #define FxaaTexOff(t, p, o, r) tex2Dlod(t, float4(p + (o * r), 0, 0))",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_HLSL_4 == 1)",
|
|
" #define FxaaInt2 int2",
|
|
" struct FxaaTex { SamplerState smpl; Texture2D tex; };",
|
|
" #define FxaaTexTop(t, p) t.tex.SampleLevel(t.smpl, p, 0.0)",
|
|
" #define FxaaTexOff(t, p, o, r) t.tex.SampleLevel(t.smpl, p, 0.0, o)",
|
|
"#endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"#if (FXAA_HLSL_5 == 1)",
|
|
" #define FxaaInt2 int2",
|
|
" struct FxaaTex { SamplerState smpl; Texture2D tex; };",
|
|
" #define FxaaTexTop(t, p) t.tex.SampleLevel(t.smpl, p, 0.0)",
|
|
" #define FxaaTexOff(t, p, o, r) t.tex.SampleLevel(t.smpl, p, 0.0, o)",
|
|
" #define FxaaTexAlpha4(t, p) t.tex.GatherAlpha(t.smpl, p)",
|
|
" #define FxaaTexOffAlpha4(t, p, o) t.tex.GatherAlpha(t.smpl, p, o)",
|
|
" #define FxaaTexGreen4(t, p) t.tex.GatherGreen(t.smpl, p)",
|
|
" #define FxaaTexOffGreen4(t, p, o) t.tex.GatherGreen(t.smpl, p, o)",
|
|
"#endif",
|
|
"",
|
|
"",
|
|
"/*============================================================================",
|
|
" GREEN AS LUMA OPTION SUPPORT FUNCTION",
|
|
"============================================================================*/",
|
|
"#if (FXAA_GREEN_AS_LUMA == 0)",
|
|
" FxaaFloat FxaaLuma(FxaaFloat4 rgba) { return rgba.w; }",
|
|
"#else",
|
|
" FxaaFloat FxaaLuma(FxaaFloat4 rgba) { return rgba.y; }",
|
|
"#endif",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"/*============================================================================",
|
|
"",
|
|
" FXAA3 QUALITY - PC",
|
|
"",
|
|
"============================================================================*/",
|
|
"#if (FXAA_PC == 1)",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
"FxaaFloat4 FxaaPixelShader(",
|
|
" //",
|
|
" // Use noperspective interpolation here (turn off perspective interpolation).",
|
|
" // {xy} = center of pixel",
|
|
" FxaaFloat2 pos,",
|
|
" //",
|
|
" // Used only for FXAA Console, and not used on the 360 version.",
|
|
" // Use noperspective interpolation here (turn off perspective interpolation).",
|
|
" // {xy_} = upper left of pixel",
|
|
" // {_zw} = lower right of pixel",
|
|
" FxaaFloat4 fxaaConsolePosPos,",
|
|
" //",
|
|
" // Input color texture.",
|
|
" // {rgb_} = color in linear or perceptual color space",
|
|
" // if (FXAA_GREEN_AS_LUMA == 0)",
|
|
" // {__a} = luma in perceptual color space (not linear)",
|
|
" FxaaTex tex,",
|
|
" //",
|
|
" // Only used on the optimized 360 version of FXAA Console.",
|
|
" // For everything but 360, just use the same input here as for \"tex\".",
|
|
" // For 360, same texture, just alias with a 2nd sampler.",
|
|
" // This sampler needs to have an exponent bias of -1.",
|
|
" FxaaTex fxaaConsole360TexExpBiasNegOne,",
|
|
" //",
|
|
" // Only used on the optimized 360 version of FXAA Console.",
|
|
" // For everything but 360, just use the same input here as for \"tex\".",
|
|
" // For 360, same texture, just alias with a 3nd sampler.",
|
|
" // This sampler needs to have an exponent bias of -2.",
|
|
" FxaaTex fxaaConsole360TexExpBiasNegTwo,",
|
|
" //",
|
|
" // Only used on FXAA Quality.",
|
|
" // This must be from a constant/uniform.",
|
|
" // {x_} = 1.0/screenWidthInPixels",
|
|
" // {_y} = 1.0/screenHeightInPixels",
|
|
" FxaaFloat2 fxaaQualityRcpFrame,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // This must be from a constant/uniform.",
|
|
" // This effects sub-pixel AA quality and inversely sharpness.",
|
|
" // Where N ranges between,",
|
|
" // N = 0.50 (default)",
|
|
" // N = 0.33 (sharper)",
|
|
" // {x__} = -N/screenWidthInPixels",
|
|
" // {_y_} = -N/screenHeightInPixels",
|
|
" // {_z_} = N/screenWidthInPixels",
|
|
" // {__w} = N/screenHeightInPixels",
|
|
" FxaaFloat4 fxaaConsoleRcpFrameOpt,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // Not used on 360, but used on PS3 and PC.",
|
|
" // This must be from a constant/uniform.",
|
|
" // {x__} = -2.0/screenWidthInPixels",
|
|
" // {_y_} = -2.0/screenHeightInPixels",
|
|
" // {_z_} = 2.0/screenWidthInPixels",
|
|
" // {__w} = 2.0/screenHeightInPixels",
|
|
" FxaaFloat4 fxaaConsoleRcpFrameOpt2,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // Only used on 360 in place of fxaaConsoleRcpFrameOpt2.",
|
|
" // This must be from a constant/uniform.",
|
|
" // {x__} = 8.0/screenWidthInPixels",
|
|
" // {_y_} = 8.0/screenHeightInPixels",
|
|
" // {_z_} = -4.0/screenWidthInPixels",
|
|
" // {__w} = -4.0/screenHeightInPixels",
|
|
" FxaaFloat4 fxaaConsole360RcpFrameOpt2,",
|
|
" //",
|
|
" // Only used on FXAA Quality.",
|
|
" // This used to be the FXAA_QUALITY_SUBPIX define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // Choose the amount of sub-pixel aliasing removal.",
|
|
" // This can effect sharpness.",
|
|
" // 1.00 - upper limit (softer)",
|
|
" // 0.75 - default amount of filtering",
|
|
" // 0.50 - lower limit (sharper, less sub-pixel aliasing removal)",
|
|
" // 0.25 - almost off",
|
|
" // 0.00 - completely off",
|
|
" FxaaFloat fxaaQualitySubpix,",
|
|
" //",
|
|
" // Only used on FXAA Quality.",
|
|
" // This used to be the FXAA_QUALITY_EDGE_THRESHOLD define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // The minimum amount of local contrast required to apply algorithm.",
|
|
" // 0.333 - too little (faster)",
|
|
" // 0.250 - low quality",
|
|
" // 0.166 - default",
|
|
" // 0.125 - high quality",
|
|
" // 0.063 - overkill (slower)",
|
|
" FxaaFloat fxaaQualityEdgeThreshold,",
|
|
" //",
|
|
" // Only used on FXAA Quality.",
|
|
" // This used to be the FXAA_QUALITY_EDGE_THRESHOLD_MIN define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // Trims the algorithm from processing darks.",
|
|
" // 0.0833 - upper limit (default, the start of visible unfiltered edges)",
|
|
" // 0.0625 - high quality (faster)",
|
|
" // 0.0312 - visible limit (slower)",
|
|
" // Special notes when using FXAA_GREEN_AS_LUMA,",
|
|
" // Likely want to set this to zero.",
|
|
" // As colors that are mostly not-green",
|
|
" // will appear very dark in the green channel!",
|
|
" // Tune by looking at mostly non-green content,",
|
|
" // then start at zero and increase until aliasing is a problem.",
|
|
" FxaaFloat fxaaQualityEdgeThresholdMin,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // This used to be the FXAA_CONSOLE_EDGE_SHARPNESS define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // This does not effect PS3, as this needs to be compiled in.",
|
|
" // Use FXAA_CONSOLE_PS3_EDGE_SHARPNESS for PS3.",
|
|
" // Due to the PS3 being ALU bound,",
|
|
" // there are only three safe values here: 2 and 4 and 8.",
|
|
" // These options use the shaders ability to a free *|/ by 2|4|8.",
|
|
" // For all other platforms can be a non-power of two.",
|
|
" // 8.0 is sharper (default!!!)",
|
|
" // 4.0 is softer",
|
|
" // 2.0 is really soft (good only for vector graphics inputs)",
|
|
" FxaaFloat fxaaConsoleEdgeSharpness,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // This used to be the FXAA_CONSOLE_EDGE_THRESHOLD define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // This does not effect PS3, as this needs to be compiled in.",
|
|
" // Use FXAA_CONSOLE_PS3_EDGE_THRESHOLD for PS3.",
|
|
" // Due to the PS3 being ALU bound,",
|
|
" // there are only two safe values here: 1/4 and 1/8.",
|
|
" // These options use the shaders ability to a free *|/ by 2|4|8.",
|
|
" // The console setting has a different mapping than the quality setting.",
|
|
" // Other platforms can use other values.",
|
|
" // 0.125 leaves less aliasing, but is softer (default!!!)",
|
|
" // 0.25 leaves more aliasing, and is sharper",
|
|
" FxaaFloat fxaaConsoleEdgeThreshold,",
|
|
" //",
|
|
" // Only used on FXAA Console.",
|
|
" // This used to be the FXAA_CONSOLE_EDGE_THRESHOLD_MIN define.",
|
|
" // It is here now to allow easier tuning.",
|
|
" // Trims the algorithm from processing darks.",
|
|
" // The console setting has a different mapping than the quality setting.",
|
|
" // This only applies when FXAA_EARLY_EXIT is 1.",
|
|
" // This does not apply to PS3,",
|
|
" // PS3 was simplified to avoid more shader instructions.",
|
|
" // 0.06 - faster but more aliasing in darks",
|
|
" // 0.05 - default",
|
|
" // 0.04 - slower and less aliasing in darks",
|
|
" // Special notes when using FXAA_GREEN_AS_LUMA,",
|
|
" // Likely want to set this to zero.",
|
|
" // As colors that are mostly not-green",
|
|
" // will appear very dark in the green channel!",
|
|
" // Tune by looking at mostly non-green content,",
|
|
" // then start at zero and increase until aliasing is a problem.",
|
|
" FxaaFloat fxaaConsoleEdgeThresholdMin,",
|
|
" //",
|
|
" // Extra constants for 360 FXAA Console only.",
|
|
" // Use zeros or anything else for other platforms.",
|
|
" // These must be in physical constant registers and NOT immedates.",
|
|
" // Immedates will result in compiler un-optimizing.",
|
|
" // {xyzw} = float4(1.0, -1.0, 0.25, -0.25)",
|
|
" FxaaFloat4 fxaaConsole360ConstDir",
|
|
") {",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat2 posM;",
|
|
" posM.x = pos.x;",
|
|
" posM.y = pos.y;",
|
|
" #if (FXAA_GATHER4_ALPHA == 1)",
|
|
" #if (FXAA_DISCARD == 0)",
|
|
" FxaaFloat4 rgbyM = FxaaTexTop(tex, posM);",
|
|
" #if (FXAA_GREEN_AS_LUMA == 0)",
|
|
" #define lumaM rgbyM.w",
|
|
" #else",
|
|
" #define lumaM rgbyM.y",
|
|
" #endif",
|
|
" #endif",
|
|
" #if (FXAA_GREEN_AS_LUMA == 0)",
|
|
" FxaaFloat4 luma4A = FxaaTexAlpha4(tex, posM);",
|
|
" FxaaFloat4 luma4B = FxaaTexOffAlpha4(tex, posM, FxaaInt2(-1, -1));",
|
|
" #else",
|
|
" FxaaFloat4 luma4A = FxaaTexGreen4(tex, posM);",
|
|
" FxaaFloat4 luma4B = FxaaTexOffGreen4(tex, posM, FxaaInt2(-1, -1));",
|
|
" #endif",
|
|
" #if (FXAA_DISCARD == 1)",
|
|
" #define lumaM luma4A.w",
|
|
" #endif",
|
|
" #define lumaE luma4A.z",
|
|
" #define lumaS luma4A.x",
|
|
" #define lumaSE luma4A.y",
|
|
" #define lumaNW luma4B.w",
|
|
" #define lumaN luma4B.z",
|
|
" #define lumaW luma4B.x",
|
|
" #else",
|
|
" FxaaFloat4 rgbyM = FxaaTexTop(tex, posM);",
|
|
" #if (FXAA_GREEN_AS_LUMA == 0)",
|
|
" #define lumaM rgbyM.w",
|
|
" #else",
|
|
" #define lumaM rgbyM.y",
|
|
" #endif",
|
|
" #if (FXAA_GLSL_100 == 1)",
|
|
" FxaaFloat lumaS = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2( 0.0, 1.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaE = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2( 1.0, 0.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaN = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2( 0.0,-1.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaW = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2(-1.0, 0.0), fxaaQualityRcpFrame.xy));",
|
|
" #else",
|
|
" FxaaFloat lumaS = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2( 0, 1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaE = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2( 1, 0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaN = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2( 0,-1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaW = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2(-1, 0), fxaaQualityRcpFrame.xy));",
|
|
" #endif",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat maxSM = max(lumaS, lumaM);",
|
|
" FxaaFloat minSM = min(lumaS, lumaM);",
|
|
" FxaaFloat maxESM = max(lumaE, maxSM);",
|
|
" FxaaFloat minESM = min(lumaE, minSM);",
|
|
" FxaaFloat maxWN = max(lumaN, lumaW);",
|
|
" FxaaFloat minWN = min(lumaN, lumaW);",
|
|
" FxaaFloat rangeMax = max(maxWN, maxESM);",
|
|
" FxaaFloat rangeMin = min(minWN, minESM);",
|
|
" FxaaFloat rangeMaxScaled = rangeMax * fxaaQualityEdgeThreshold;",
|
|
" FxaaFloat range = rangeMax - rangeMin;",
|
|
" FxaaFloat rangeMaxClamped = max(fxaaQualityEdgeThresholdMin, rangeMaxScaled);",
|
|
" FxaaBool earlyExit = range < rangeMaxClamped;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" if(earlyExit)",
|
|
" #if (FXAA_DISCARD == 1)",
|
|
" FxaaDiscard;",
|
|
" #else",
|
|
" return rgbyM;",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_GATHER4_ALPHA == 0)",
|
|
" #if (FXAA_GLSL_100 == 1)",
|
|
" FxaaFloat lumaNW = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2(-1.0,-1.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaSE = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2( 1.0, 1.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaNE = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2( 1.0,-1.0), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaSW = FxaaLuma(FxaaTexOff(tex, posM, FxaaFloat2(-1.0, 1.0), fxaaQualityRcpFrame.xy));",
|
|
" #else",
|
|
" FxaaFloat lumaNW = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2(-1,-1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaSE = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2( 1, 1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaNE = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2( 1,-1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaSW = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2(-1, 1), fxaaQualityRcpFrame.xy));",
|
|
" #endif",
|
|
" #else",
|
|
" FxaaFloat lumaNE = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2(1, -1), fxaaQualityRcpFrame.xy));",
|
|
" FxaaFloat lumaSW = FxaaLuma(FxaaTexOff(tex, posM, FxaaInt2(-1, 1), fxaaQualityRcpFrame.xy));",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat lumaNS = lumaN + lumaS;",
|
|
" FxaaFloat lumaWE = lumaW + lumaE;",
|
|
" FxaaFloat subpixRcpRange = 1.0/range;",
|
|
" FxaaFloat subpixNSWE = lumaNS + lumaWE;",
|
|
" FxaaFloat edgeHorz1 = (-2.0 * lumaM) + lumaNS;",
|
|
" FxaaFloat edgeVert1 = (-2.0 * lumaM) + lumaWE;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat lumaNESE = lumaNE + lumaSE;",
|
|
" FxaaFloat lumaNWNE = lumaNW + lumaNE;",
|
|
" FxaaFloat edgeHorz2 = (-2.0 * lumaE) + lumaNESE;",
|
|
" FxaaFloat edgeVert2 = (-2.0 * lumaN) + lumaNWNE;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat lumaNWSW = lumaNW + lumaSW;",
|
|
" FxaaFloat lumaSWSE = lumaSW + lumaSE;",
|
|
" FxaaFloat edgeHorz4 = (abs(edgeHorz1) * 2.0) + abs(edgeHorz2);",
|
|
" FxaaFloat edgeVert4 = (abs(edgeVert1) * 2.0) + abs(edgeVert2);",
|
|
" FxaaFloat edgeHorz3 = (-2.0 * lumaW) + lumaNWSW;",
|
|
" FxaaFloat edgeVert3 = (-2.0 * lumaS) + lumaSWSE;",
|
|
" FxaaFloat edgeHorz = abs(edgeHorz3) + edgeHorz4;",
|
|
" FxaaFloat edgeVert = abs(edgeVert3) + edgeVert4;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat subpixNWSWNESE = lumaNWSW + lumaNESE;",
|
|
" FxaaFloat lengthSign = fxaaQualityRcpFrame.x;",
|
|
" FxaaBool horzSpan = edgeHorz >= edgeVert;",
|
|
" FxaaFloat subpixA = subpixNSWE * 2.0 + subpixNWSWNESE;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" if(!horzSpan) lumaN = lumaW;",
|
|
" if(!horzSpan) lumaS = lumaE;",
|
|
" if(horzSpan) lengthSign = fxaaQualityRcpFrame.y;",
|
|
" FxaaFloat subpixB = (subpixA * (1.0/12.0)) - lumaM;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat gradientN = lumaN - lumaM;",
|
|
" FxaaFloat gradientS = lumaS - lumaM;",
|
|
" FxaaFloat lumaNN = lumaN + lumaM;",
|
|
" FxaaFloat lumaSS = lumaS + lumaM;",
|
|
" FxaaBool pairN = abs(gradientN) >= abs(gradientS);",
|
|
" FxaaFloat gradient = max(abs(gradientN), abs(gradientS));",
|
|
" if(pairN) lengthSign = -lengthSign;",
|
|
" FxaaFloat subpixC = FxaaSat(abs(subpixB) * subpixRcpRange);",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat2 posB;",
|
|
" posB.x = posM.x;",
|
|
" posB.y = posM.y;",
|
|
" FxaaFloat2 offNP;",
|
|
" offNP.x = (!horzSpan) ? 0.0 : fxaaQualityRcpFrame.x;",
|
|
" offNP.y = ( horzSpan) ? 0.0 : fxaaQualityRcpFrame.y;",
|
|
" if(!horzSpan) posB.x += lengthSign * 0.5;",
|
|
" if( horzSpan) posB.y += lengthSign * 0.5;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat2 posN;",
|
|
" posN.x = posB.x - offNP.x * FXAA_QUALITY_P0;",
|
|
" posN.y = posB.y - offNP.y * FXAA_QUALITY_P0;",
|
|
" FxaaFloat2 posP;",
|
|
" posP.x = posB.x + offNP.x * FXAA_QUALITY_P0;",
|
|
" posP.y = posB.y + offNP.y * FXAA_QUALITY_P0;",
|
|
" FxaaFloat subpixD = ((-2.0)*subpixC) + 3.0;",
|
|
" FxaaFloat lumaEndN = FxaaLuma(FxaaTexTop(tex, posN));",
|
|
" FxaaFloat subpixE = subpixC * subpixC;",
|
|
" FxaaFloat lumaEndP = FxaaLuma(FxaaTexTop(tex, posP));",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" if(!pairN) lumaNN = lumaSS;",
|
|
" FxaaFloat gradientScaled = gradient * 1.0/4.0;",
|
|
" FxaaFloat lumaMM = lumaM - lumaNN * 0.5;",
|
|
" FxaaFloat subpixF = subpixD * subpixE;",
|
|
" FxaaBool lumaMLTZero = lumaMM < 0.0;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" lumaEndN -= lumaNN * 0.5;",
|
|
" lumaEndP -= lumaNN * 0.5;",
|
|
" FxaaBool doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" FxaaBool doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P1;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P1;",
|
|
" FxaaBool doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P1;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P1;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P2;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P2;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P2;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P2;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 3)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P3;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P3;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P3;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P3;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 4)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P4;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P4;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P4;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P4;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 5)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P5;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P5;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P5;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P5;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 6)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P6;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P6;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P6;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P6;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 7)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P7;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P7;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P7;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P7;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 8)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P8;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P8;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P8;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P8;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 9)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P9;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P9;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P9;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P9;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 10)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P10;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P10;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P10;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P10;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 11)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P11;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P11;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P11;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P11;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" #if (FXAA_QUALITY_PS > 12)",
|
|
" if(doneNP) {",
|
|
" if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));",
|
|
" if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));",
|
|
" if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;",
|
|
" if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;",
|
|
" doneN = abs(lumaEndN) >= gradientScaled;",
|
|
" doneP = abs(lumaEndP) >= gradientScaled;",
|
|
" if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P12;",
|
|
" if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P12;",
|
|
" doneNP = (!doneN) || (!doneP);",
|
|
" if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P12;",
|
|
" if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P12;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
" #endif",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" }",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat dstN = posM.x - posN.x;",
|
|
" FxaaFloat dstP = posP.x - posM.x;",
|
|
" if(!horzSpan) dstN = posM.y - posN.y;",
|
|
" if(!horzSpan) dstP = posP.y - posM.y;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaBool goodSpanN = (lumaEndN < 0.0) != lumaMLTZero;",
|
|
" FxaaFloat spanLength = (dstP + dstN);",
|
|
" FxaaBool goodSpanP = (lumaEndP < 0.0) != lumaMLTZero;",
|
|
" FxaaFloat spanLengthRcp = 1.0/spanLength;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaBool directionN = dstN < dstP;",
|
|
" FxaaFloat dst = min(dstN, dstP);",
|
|
" FxaaBool goodSpan = directionN ? goodSpanN : goodSpanP;",
|
|
" FxaaFloat subpixG = subpixF * subpixF;",
|
|
" FxaaFloat pixelOffset = (dst * (-spanLengthRcp)) + 0.5;",
|
|
" FxaaFloat subpixH = subpixG * fxaaQualitySubpix;",
|
|
"/*--------------------------------------------------------------------------*/",
|
|
" FxaaFloat pixelOffsetGood = goodSpan ? pixelOffset : 0.0;",
|
|
" FxaaFloat pixelOffsetSubpix = max(pixelOffsetGood, subpixH);",
|
|
" if(!horzSpan) posM.x += pixelOffsetSubpix * lengthSign;",
|
|
" if( horzSpan) posM.y += pixelOffsetSubpix * lengthSign;",
|
|
" #if (FXAA_DISCARD == 1)",
|
|
" return FxaaTexTop(tex, posM);",
|
|
" #else",
|
|
" return FxaaFloat4(FxaaTexTop(tex, posM).xyz, lumaM);",
|
|
" #endif",
|
|
"}",
|
|
"/*==========================================================================*/",
|
|
"#endif",
|
|
"",
|
|
"void main() {",
|
|
" gl_FragColor = FxaaPixelShader(",
|
|
" vUv,",
|
|
" vec4(0.0),",
|
|
" tDiffuse,",
|
|
" tDiffuse,",
|
|
" tDiffuse,",
|
|
" resolution,",
|
|
" vec4(0.0),",
|
|
" vec4(0.0),",
|
|
" vec4(0.0),",
|
|
" 0.75,",
|
|
" 0.166,",
|
|
" 0.0833,",
|
|
" 0.0,",
|
|
" 0.0,",
|
|
" 0.0,",
|
|
" vec4(0.0)",
|
|
" );",
|
|
"",
|
|
" // TODO avoid querying texture twice for same texel",
|
|
" gl_FragColor.a = texture2D(tDiffuse, vUv).a;",
|
|
"}"
|
|
].join("\n")
|
|
|
|
};
|
|
|