libretro/slang-shaders
1
0
Fork 0
mirror of https://github.com/libretro/slang-shaders.git synced 2024-11-23 00:10:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added a couple of NTSC simulation presets offered by GDPD1 and Azurfel based on work done by Guest.r. Tweaked my version too.

Browse Source
This commit is contained in:
MajorPainTheCactus 2023-09-16 22:15:51 +01:00
parent e83780fb52
commit 0a082bde59
4 changed files with 439 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hdr/crt-sony-megatron-aeg-CTV-4800-VT-hdr.slangp
View File

@ -37,12 +37,12 @@ mipmap_input4 = "false"
alias4 = ""
float_framebuffer4 = "false"
srgb_framebuffer4 = "false"
scale_type4 = viewport
hcrt_hdr = "1.000000"
hcrt_crt_screen_type = "2.000000"
hcrt_crt_resolution = "0.000000"
hcrt_expand_gamut = "0.000000"
hcrt_saturation = "0.450000"
hcrt_red_vertical_convergence = "0.000000"
hcrt_green_vertical_convergence = "0.000000"

121
hdr/crt-sony-megatron-default-hdr-NTSC.slangp Normal file
View File

@ -0,0 +1,121 @@
shaders = "9"
shader0 = "../crt/shaders/guest/advanced/stock.slang"
filter_linear0 = "false"
wrap_mode0 = "clamp_to_border"
mipmap_input0 = "false"
alias0 = "PrePass0"
float_framebuffer0 = "false"
srgb_framebuffer0 = "false"
scale_type_x0 = "source"
scale_x0 = "1.000000"
scale_type_y0 = "source"
scale_y0 = "1.000000"
shader1 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass1.slang"
filter_linear1 = "false"
wrap_mode1 = "clamp_to_border"
mipmap_input1 = "false"
alias1 = "NPass1"
float_framebuffer1 = "true"
srgb_framebuffer1 = "false"
scale_type_x1 = "source"
scale_x1 = "4.000000"
scale_type_y1 = "source"
scale_y1 = "1.000000"
shader2 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass2.slang"
filter_linear2 = "true"
wrap_mode2 = "clamp_to_border"
mipmap_input2 = "false"
alias2 = ""
float_framebuffer2 = "true"
srgb_framebuffer2 = "false"
scale_type_x2 = "source"
scale_x2 = "0.500000"
scale_type_y2 = "source"
scale_y2 = "1.000000"
shader3 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass3.slang"
filter_linear3 = "true"
wrap_mode3 = "clamp_to_border"
mipmap_input3 = "false"
alias3 = ""
float_framebuffer3 = "false"
srgb_framebuffer3 = "false"
scale_type_x3 = "source"
scale_x3 = "1.000000"
scale_type_y3 = "source"
scale_y3 = "1.000000"
shader4 = "../crt/shaders/guest/advanced/custom-fast-sharpen.slang"
filter_linear4 = "true"
wrap_mode4 = "clamp_to_border"
mipmap_input4 = "false"
alias4 = "NtscPass"
float_framebuffer4 = "false"
srgb_framebuffer4 = "false"
scale_type_x4 = "source"
scale_x4 = "1.000000"
scale_type_y4 = "source"
scale_y4 = "1.000000"
shader5 = "shaders/crt-guest-advanced-ntsc-pass1a.slang"
filter_linear5 = "true"
wrap_mode5 = "clamp_to_border"
mipmap_input5 = "false"
alias5 = "Pass1"
float_framebuffer5 = "false"
srgb_framebuffer5 = "false"
scale_type_x5 = "viewport"
scale_x5 = "1.000000"
scale_type_y5 = "source"
scale_y5 = "1.000000"
shader6 = "shaders/crt-sony-megatron-source-pass.slang"
filter_linear6 = "false"
scale_type6 = "source"
scale6 = "1.0"
wrap_mode6 = "clamp_to_border"
mipmap_input6 = "false"
alias6 = "SourceSDR"
shader7 = "shaders/crt-sony-megatron-hdr-pass.slang"
filter_linear7 = "false"
scale_type7 = "source"
scale7 = "1.0"
wrap_mode7 = "clamp_to_border"
mipmap_input7 = "false"
alias7 = "SourceHDR"
shader8 = "shaders/crt-sony-megatron.slang"
filter_linear8 = "false"
wrap_mode8 = "clamp_to_border"
mipmap_input8 = "false"
alias8 = ""
float_framebuffer8 = "false"
srgb_framebuffer8 = "false"
hcrt_crt_screen_type = "0.000000"
hcrt_colour_system = "3.000000"
hcrt_contrast = "0.000000"
hcrt_brightness = "0.000000"
hcrt_saturation = "0.450000"
hcrt_gamma_in = "2.220000"
hcrt_expand_gamut = "1.000000"
hcrt_red_scanline_min = "0.8900000"
hcrt_red_scanline_max = "1.000000"
hcrt_red_scanline_attack = "0.300000"
hcrt_green_scanline_min = "0.600000"
hcrt_green_scanline_max = "0.800000"
hcrt_green_scanline_attack = "0.300000"
hcrt_blue_scanline_min = "0.600000"
hcrt_blue_scanline_max = "0.800000"
hcrt_blue_scanline_attack = "0.300000"
hcrt_red_beam_sharpness = "1.300000"
hcrt_red_beam_attack = "1.000000"
hcrt_green_beam_sharpness = "1.300000"
hcrt_green_beam_attack = "1.000000"
hcrt_blue_beam_sharpness = "1.300000"
hcrt_blue_beam_attack = "1.000000"

155
hdr/crt-sony-megatron-sony-pvm-2730-hdr-NTSC.slangp Normal file
View File

@ -0,0 +1,155 @@
shaders = "12"
shader0 = "../crt/shaders/guest/advanced/stock.slang"
filter_linear0 = "false"
wrap_mode0 = "clamp_to_border"
mipmap_input0 = "false"
alias0 = "PrePass0"
float_framebuffer0 = "false"
srgb_framebuffer0 = "false"
scale_type_x0 = "source"
scale_x0 = "1.000000"
scale_type_y0 = "source"
scale_y0 = "1.000000"
shader1 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass1.slang"
filter_linear1 = "false"
wrap_mode1 = "clamp_to_border"
mipmap_input1 = "false"
alias1 = "NPass1"
float_framebuffer1 = "true"
srgb_framebuffer1 = "false"
scale_type_x1 = "source"
scale_x1 = "4.000000"
scale_type_y1 = "source"
scale_y1 = "1.000000"
shader2 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass2.slang"
filter_linear2 = "true"
wrap_mode2 = "clamp_to_border"
mipmap_input2 = "false"
alias2 = ""
float_framebuffer2 = "true"
srgb_framebuffer2 = "false"
scale_type_x2 = "source"
scale_x2 = "0.500000"
scale_type_y2 = "source"
scale_y2 = "1.000000"
shader3 = "../crt/shaders/guest/advanced/ntsc/ntsc-pass3.slang"
filter_linear3 = "true"
wrap_mode3 = "clamp_to_border"
mipmap_input3 = "false"
alias3 = ""
float_framebuffer3 = "false"
srgb_framebuffer3 = "false"
scale_type_x3 = "source"
scale_x3 = "1.000000"
scale_type_y3 = "source"
scale_y3 = "1.000000"
shader4 = "../crt/shaders/guest/advanced/custom-fast-sharpen.slang"
filter_linear4 = "true"
wrap_mode4 = "clamp_to_border"
mipmap_input4 = "false"
alias4 = "NtscPass"
float_framebuffer4 = "false"
srgb_framebuffer4 = "false"
scale_type_x4 = "source"
scale_x4 = "1.000000"
scale_type_y4 = "source"
scale_y4 = "1.000000"
shader5 = "../crt/shaders/guest/advanced/stock.slang"
filter_linear5 = "true"
wrap_mode5 = "clamp_to_border"
mipmap_input5 = "true"
alias5 = "PrePass"
float_framebuffer5 = "false"
srgb_framebuffer5 = "false"
scale_type_x5 = "source"
scale_x5 = "1.000000"
scale_type_y5 = "source"
scale_y5 = "1.000000"
shader6 = "../crt/shaders/guest/advanced/stock.slang"
filter_linear6 = "true"
wrap_mode6 = "clamp_to_border"
mipmap_input6 = "true"
alias6 = "AvgLumPass"
float_framebuffer6 = "false"
srgb_framebuffer6 = "false"
scale_type_x6 = "source"
scale_x6 = "1.000000"
scale_type_y6 = "source"
scale_y6 = "1.000000"
shader7 = "../crt/shaders/guest/advanced/stock.slang"
filter_linear7 = "true"
wrap_mode7 = "clamp_to_border"
mipmap_input7 = "false"
alias7 = "LinearizePass"
float_framebuffer7 = "true"
srgb_framebuffer7 = "false"
scale_type_x7 = "source"
scale_x7 = "1.000000"
scale_type_y7 = "source"
scale_y7 = "1.000000"
shader8 = "../crt/shaders/guest/advanced/crt-guest-advanced-ntsc-pass1.slang"
filter_linear8 = "true"
wrap_mode8 = "clamp_to_border"
mipmap_input8 = "false"
alias8 = "Pass1"
float_framebuffer8 = "true"
srgb_framebuffer8 = "false"
scale_type_x8 = "viewport"
scale_x8 = "1.000000"
scale_type_y8 = "source"
scale_y8 = "1.000000"
shader9 = "shaders/crt-sony-megatron-source-pass.slang"
filter_linear9 = "false"
scale_type9 = "source"
scale9 = "1.0"
wrap_mode9 = "clamp_to_border"
mipmap_input9 = "false"
alias9 = "SourceSDR"
shader10 = "shaders/crt-sony-megatron-hdr-pass.slang"
filter_linear10 = "false"
scale_type10 = "source"
scale10 = "1.0"
wrap_mode10 = "clamp_to_border"
mipmap_input10 = "false"
alias10 = "SourceHDR"
shader11 = "shaders/crt-sony-megatron.slang"
filter_linear11 = "false"
wrap_mode11 = "clamp_to_border"
mipmap_input11 = "false"
alias11 = ""
float_framebuffer11 = "false"
srgb_framebuffer11 = "false"
hcrt_brightness = "0.150000"
hcrt_colour_system = "3.000000"
hcrt_expand_gamut = "1.000000"
hcrt_red_vertical_convergence = "-0.140000"
hcrt_green_vertical_convergence = "0.000000"
hcrt_blue_vertical_convergence = "0.000000"
hcrt_red_scanline_min = "0.550000"
hcrt_red_scanline_max = "0.820000"
hcrt_red_scanline_attack = "0.650000"
hcrt_green_scanline_min = "0.550000"
hcrt_green_scanline_max = "0.900000"
hcrt_green_scanline_attack = "0.130000"
hcrt_blue_scanline_min = "0.720000"
hcrt_blue_scanline_max = "1.000000"
hcrt_blue_scanline_attack = "0.650000"
hcrt_red_beam_sharpness = "1.750000"
hcrt_red_beam_attack = "0.7200000"
hcrt_green_beam_sharpness = "1.600000"
hcrt_green_beam_attack = "0.800000"
hcrt_blue_beam_sharpness = "1.900000"
hcrt_blue_beam_attack = "0.450000"

162
hdr/shaders/crt-guest-advanced-ntsc-pass1a.slang Normal file
View File

@ -0,0 +1,162 @@
#version 450
/*
CRT - Guest - NTSC - Pass1 (Decoupled)
Copyright (C) 2018-2022 guest(r) - guest.r@gmail.com
Incorporates many good ideas and suggestions from Dr. Venom.
I would also like give thanks to many Libretro forums members for continuous feedback, suggestions and caring about the shader.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
layout(push_constant) uniform Push
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float SIGMA_HOR;
float HSHARPNESS;
float S_SHARP;
float HARNG;
float HSHARP;
float spike;
float internal_res;
} params;
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
} global;
#pragma parameter bogus_filtering "[ FILTERING OPTIONS ]: " 0.0 0.0 1.0 1.0
#pragma parameter HSHARPNESS " Horizontal Filter Range" 1.5 1.0 8.0 0.05
#define HSHARPNESS params.HSHARPNESS
#pragma parameter SIGMA_HOR " Horizontal Blur Sigma" 0.90 0.1 7.0 0.05
#define SIGMA_HOR params.SIGMA_HOR
#pragma parameter S_SHARP " Substractive Sharpness" 0.9 0.0 2.0 0.10
#define S_SHARP params.S_SHARP
#pragma parameter HSHARP " Sharpness Definition" 1.2 0.0 2.0 0.10
#define HSHARP params.HSHARP
#pragma parameter HARNG " Substractive Sharpness Ringing" 0.4 0.0 4.0 0.10
#define HARNG params.HARNG
#pragma parameter spike " Scanline Spike Removal" 1.0 0.0 2.0 0.10
#define spike params.spike
#define COMPAT_TEXTURE(c,d) texture(c,d)
#define TEX0 vTexCoord
#define OutputSize params.OutputSize
#define gl_FragCoord (vTexCoord * OutputSize.xy)
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord * 1.00001;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D NtscPass;
float invsqrsigma = 1.0/(2.0*SIGMA_HOR*SIGMA_HOR);
float gaussian(float x)
{
return exp(-x*x*invsqrsigma);
}
void main()
{
vec2 prescalex = vec2(textureSize(NtscPass, 0)) / params.OriginalSize.xy;
vec4 SourceSize = params.OriginalSize * vec4(2.0*prescalex.x, prescalex.y, 0.5/prescalex.x, 1.0/prescalex.y);
float f = fract(SourceSize.x * vTexCoord.x);
f = 0.5 - f;
vec2 tex = floor(SourceSize.xy * vTexCoord)*SourceSize.zw + 0.5*SourceSize.zw;
vec3 color = 0.0.xxx;
float scolor = 0.0;
vec2 dx = vec2(SourceSize.z, 0.0);
float w = 0.0;
float swsum = 0.0;
float wsum = 0.0;
vec3 pixel;
float hsharpness = HSHARPNESS;
vec3 cmax = 0.0.xxx;
vec3 cmin = 1.0.xxx;
float sharp = gaussian(hsharpness) * S_SHARP;
float maxsharp = 0.20;
float FPR = hsharpness;
float fpx = 0.0;
float sp = 0.0;
float sw = 0.0;
float ts = 0.025;
vec3 luma = vec3(0.2126, 0.7152, 0.0722);
float LOOPSIZE = ceil(2.0*FPR);
float CLAMPSIZE = round(2.0*LOOPSIZE/3.0);
float n = -LOOPSIZE;
do
{
pixel = COMPAT_TEXTURE(NtscPass, tex + n*dx).rgb;
sp = max(max(pixel.r,pixel.g),pixel.b);
w = gaussian(n+f) - sharp;
fpx = abs(n+f-sign(n)*FPR)/FPR;
if (abs(n) <= CLAMPSIZE) { cmax = max(cmax, pixel); cmin = min(cmin, pixel); }
if (w < 0.0) w = clamp(w, mix(-maxsharp, 0.0, pow(clamp(fpx,0.0,1.0), HSHARP)), 0.0);
color = color + w * pixel;
wsum = wsum + w;
sw = max(w, 0.0) * (dot(pixel,luma) + ts);
scolor = scolor + sw * sp;
swsum = swsum + sw;
n = n + 1.0;
} while (n <= LOOPSIZE);
color = color / wsum;
scolor = scolor / swsum;
color = clamp(mix(clamp(color, cmin, cmax), color, HARNG), 0.0, 1.0);
scolor = clamp(mix(max(max(color.r, color.g),color.b), scolor, spike), 0.0, 1.0);
FragColor = vec4(color, scolor);
}