diff options
Diffstat (limited to 'source/blender/draw/intern/shaders/common_fxaa_lib.glsl')
| -rw-r--r-- | source/blender/draw/intern/shaders/common_fxaa_lib.glsl | 194 |
1 files changed, 97 insertions, 97 deletions
diff --git a/source/blender/draw/intern/shaders/common_fxaa_lib.glsl b/source/blender/draw/intern/shaders/common_fxaa_lib.glsl index 9eaba00988d..a87b4558227 100644 --- a/source/blender/draw/intern/shaders/common_fxaa_lib.glsl +++ b/source/blender/draw/intern/shaders/common_fxaa_lib.glsl @@ -1,36 +1,36 @@ -//---------------------------------------------------------------------------------- -// File: es3-kepler\FXAA/FXAA3_11.h -// SDK Version: v3.00 -// Email: gameworks@nvidia.com -// Site: http://developer.nvidia.com/ -// -// Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions -// are met: -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. -// * Neither the name of NVIDIA CORPORATION nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY -// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -//---------------------------------------------------------------------------------- +/* --------------------------------------------------------------------------------- + * File: es3-kepler\FXAA/FXAA3_11.h + * SDK Version: v3.00 + * Email: gameworks@nvidia.com + * Site: http://developer.nvidia.com/ + * + * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of NVIDIA CORPORATION nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * --------------------------------------------------------------------------------- */ /* BLENDER MODIFICATIONS: * @@ -54,26 +54,26 @@ NOTE the other tuning knobs are now in the shader function inputs! ============================================================================*/ #ifndef FXAA_QUALITY__PRESET -// -// Choose the quality preset. -// This needs to be compiled into the shader as it effects code. -// Best option to include multiple presets is to -// in each shader define the preset, then include this file. -// -// OPTIONS -// ----------------------------------------------------------------------- -// 10 to 15 - default medium dither (10=fastest, 15=highest quality) -// 20 to 29 - less dither, more expensive (20=fastest, 29=highest quality) -// 39 - no dither, very expensive -// -// NOTES -// ----------------------------------------------------------------------- -// 12 = slightly faster then FXAA 3.9 and higher edge quality (default) -// 13 = about same speed as FXAA 3.9 and better than 12 -// 23 = closest to FXAA 3.9 visually and performance wise -// _ = the lowest digit is directly related to performance -// _ = the highest digit is directly related to style -// +/* + * Choose the quality preset. + * This needs to be compiled into the shader as it effects code. + * Best option to include multiple presets is to + * in each shader define the preset, then include this file. + * + * OPTIONS + * ----------------------------------------------------------------------- + * 10 to 15 - default medium dither (10=fastest, 15=highest quality) + * 20 to 29 - less dither, more expensive (20=fastest, 29=highest quality) + * 39 - no dither, very expensive + * + * NOTES + * ----------------------------------------------------------------------- + * 12 = slightly faster than FXAA 3.9 and higher edge quality (default) + * 13 = about same speed as FXAA 3.9 and better than 12 + * 23 = closest to FXAA 3.9 visually and performance wise + * _ = the lowest digit is directly related to performance + * _ = the highest digit is directly related to style + */ # define FXAA_QUALITY__PRESET 12 #endif @@ -296,9 +296,9 @@ NOTE the other tuning knobs are now in the shader function inputs! /* (#B1#) */ float FxaaLuma(vec4 rgba) { - // note: sqrt because the sampled colors are in a linear colorspace! - // this approximates a perceptual conversion, which is good enough for the - // algorithm + /* note: sqrt because the sampled colors are in a linear colorspace! + * this approximates a perceptual conversion, which is good enough for the + * algorithm */ return sqrt(dot(rgba.rgb, vec3(0.2126, 0.7152, 0.0722))); } @@ -311,51 +311,51 @@ float FxaaLuma(vec4 rgba) ============================================================================*/ /*--------------------------------------------------------------------------*/ vec4 FxaaPixelShader( - // - // Use noperspective interpolation here (turn off perspective interpolation). - // {xy} = center of pixel + /* + * Use noperspective interpolation here (turn off perspective interpolation). + * {xy} = center of pixel */ vec2 pos, - // - // Input color texture. - // {rgb_} = color in linear or perceptual color space + /* + * Input color texture. + * {rgb_} = color in linear or perceptual color space */ sampler2D tex, - // - // Only used on FXAA Quality. - // This must be from a constant/uniform. - // {x_} = 1.0/screenWidthInPixels - // {_y} = 1.0/screenHeightInPixels + /* + * Only used on FXAA Quality. + * This must be from a constant/uniform. + * {x_} = 1.0/screenWidthInPixels + * {_y} = 1.0/screenHeightInPixels */ vec2 fxaaQualityRcpFrame, - // - // 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 + /* + * 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 */ float 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) + /* + * 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) */ float 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) + /* + * 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) */ float fxaaQualityEdgeThresholdMin) { /*--------------------------------------------------------------------------*/ @@ -363,7 +363,7 @@ vec4 FxaaPixelShader( posM.x = pos.x; posM.y = pos.y; vec4 rgbyM = FxaaTexTop(tex, posM); - float lumaM = FxaaLuma(rgbyM); // (#B4#) + float lumaM = FxaaLuma(rgbyM); /* (#B4#) */ float lumaS = FxaaLuma(FxaaTexOff(tex, posM, ivec2(0, 1), fxaaQualityRcpFrame.xy)); float lumaE = FxaaLuma(FxaaTexOff(tex, posM, ivec2(1, 0), fxaaQualityRcpFrame.xy)); float lumaN = FxaaLuma(FxaaTexOff(tex, posM, ivec2(0, -1), fxaaQualityRcpFrame.xy)); |