mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-23 00:01:31 +11:00
Grade - Update + Cosmetics (#451)
* Grade - Update + Cosmetics - P3-D65 now uses 1886 EOTF - Mask for GamutCompression is now CRT Gamma adjusted instead of 2.4 constant - Fix uninitialized 'm_in' variable - Cosmetics * Update grade-no-LUT.slang * Update grade.slang
This commit is contained in:
Dogway
GitHub
parent
91a5ff8445
commit
5f64d80b7f
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@ -82,7 +82,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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} global;
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/*
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Grade (03-06-2023)
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Grade (16-06-2023)
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> See settings decriptions at: https://forums.libretro.com/t/dogways-grading-shader-slang/27148/442
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> Ubershader grouping some monolithic color related shaders:
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@ -94,7 +94,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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**Syh, Nesguy, hunterk, and the libretro forum members.
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######################################...PRESETS...#######################################
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#####################################...STANDARDS...######################################
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##########################################################################################
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### ###
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### PAL ###
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@ -177,7 +177,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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#define V_SHIFT params.g_V_SHIFT
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#define U_MUL params.g_U_MUL
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#define V_MUL params.g_V_MUL
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#define g_CRT_l -(100000.*log((72981.-500000./(3.*max(2.3,params.g_CRT_l)))/9058.))/945461.
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#define CRT_l -(100000.*log((72981.-500000./(3.*max(2.3,params.g_CRT_l)))/9058.))/945461.
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#define lum_fix params.g_lum_fix
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#define vignette global.g_vignette
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#define GCompress global.g_GCompress
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@ -256,7 +256,6 @@ vec3 XYZ_to_RGB(vec3 XYZ, mat3 primaries) {
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}
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vec3 XYZtoYxy(vec3 XYZ) {
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float XYZrgb = XYZ.r+XYZ.g+XYZ.b;
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@ -277,7 +276,7 @@ vec3 YxytoXYZ(vec3 Yxy) {
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///////////////////////// White Point Mapping /////////////////////////
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//
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//
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// PAL: D65 NTSC-U: D65 NTSC-J: CCT NTSC-J
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// PAL: D65 NTSC-U: D65 NTSC-J: CCT 9300K+27MPCD
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// PAL: 6503.512K NTSC-U: 6503.512K NTSC-J: ~8945.436K
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// [x:0.31266142 y:0.3289589] [x:0.281 y:0.311]
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@ -366,8 +365,8 @@ vec3 EOTF_1886a_f3( vec3 color, float BlackLevel, float brightness, float contra
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//----------------------------------------------------------------------
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float moncurve_f( float color, float gamma, float offs)
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{
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float moncurve_f( float color, float gamma, float offs) {
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// Forward monitor curve
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color = clamp(color, 0.0, 1.0);
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float fs = (( gamma - 1.0) / offs) * pow( offs * gamma / ( ( gamma - 1.0) * ( 1.0 + offs)), gamma);
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@ -378,8 +377,8 @@ float moncurve_f( float color, float gamma, float offs)
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}
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vec3 moncurve_f_f3( vec3 color, float gamma, float offs)
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{
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vec3 moncurve_f_f3( vec3 color, float gamma, float offs) {
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color.r = moncurve_f( color.r, gamma, offs);
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color.g = moncurve_f( color.g, gamma, offs);
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color.b = moncurve_f( color.b, gamma, offs);
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@ -387,8 +386,8 @@ vec3 moncurve_f_f3( vec3 color, float gamma, float offs)
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}
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float moncurve_r( float color, float gamma, float offs)
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{
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float moncurve_r( float color, float gamma, float offs) {
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// Reverse monitor curve
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color = clamp(color, 0.0, 1.0);
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float yb = pow( offs * gamma / ( ( gamma - 1.0) * ( 1.0 + offs)), gamma);
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@ -399,8 +398,8 @@ float moncurve_r( float color, float gamma, float offs)
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}
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vec3 moncurve_r_f3( vec3 color, float gamma, float offs)
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{
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vec3 moncurve_r_f3( vec3 color, float gamma, float offs) {
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color.r = moncurve_r( color.r, gamma, offs);
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color.g = moncurve_r( color.g, gamma, offs);
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color.b = moncurve_r( color.b, gamma, offs);
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@ -459,8 +458,8 @@ vec3 rolled_gain_v3(vec3 color, float gain){
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}
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float SatMask(float color_r, float color_g, float color_b)
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{
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float SatMask(float color_r, float color_g, float color_b) {
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float max_rgb = max(color_r, max(color_g, color_b));
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float min_rgb = min(color_r, min(color_g, color_b));
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float msk = clamp((max_rgb - min_rgb) / (max_rgb + min_rgb), 0.0, 1.0);
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@ -482,8 +481,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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vec3 WPD = global.wp_temperature < 7000 ? vec3(1,temp,(temp-1)/2+1) : vec3((temp-1)/2+1,temp,1);
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sat = max(0.0,g_sat+1)*(sat*beam) * WPD;
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mat2x3 LimThres = \
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mat2x3( 0.100000,0.100000,0.100000,
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mat2x3 LimThres = mat2x3( 0.100000,0.100000,0.100000,
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0.125000,0.125000,0.125000);
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if (SPC < 1.0) {
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@ -541,7 +539,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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// Inverse RGB Ratios to RGB
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// and Mask with "luma"
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return mix(rgb, ac-cd.xyz*abs(ac), pow(grey,1/2.4));
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return mix(rgb, ac-cd.xyz*abs(ac), pow(grey,1/params.g_CRT_l));
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}
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@ -550,7 +548,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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// Matrices in OpenGL column-major
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// Matrices in column-major
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//----------------------- Y'UV color model -----------------------
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@ -670,7 +668,7 @@ const mat3 SMPTE470BG_ph =
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// NTSC-J P22
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// Mix between averaging KV-20M20, KDS VS19, Dell D93, 4-TR-B09v1_0.pdf and Phosphor Handbook 'P22'
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// ILLUMINANT: D93->[0.281000,0.311000] (CCT of 8945.436K)
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// ILLUMINANT: D97->[0.285000,0.285000] (CCT of 9696K) for Nanao MS-2930s series (in practice prolly more like ~9177.98K)
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// ILLUMINANT: D97->[0.285000,0.285000] (CCT of 9696K) for Nanao MS-2930s series (around 10000.0K for wp_adjust() daylight fit)
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const mat3 P22_J_ph =
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mat3(
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0.625, 0.280, 0.152,
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@ -696,8 +694,8 @@ const mat3 P22_90s_ph =
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0.3329, 0.6310, 0.0642,
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0.0010, 0.0556, 0.7886);
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// CRT for Projection Tubes for NTSC-U late 90s, early 00s
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const mat3 CRT_95s_ph =
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// RPTV (Rear Projection TV) for NTSC-U late 90s, early 00s
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const mat3 RPTV_95s_ph =
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mat3(
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0.640, 0.341, 0.150,
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0.335, 0.586, 0.070,
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@ -777,7 +775,7 @@ void main()
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col = signal > 0.0 ? max(Quantize8_f3(YUV_r601(col.xyz, NTSC_U ? 1.0 : 0.0))/255.0, 0.0) : src;
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// CRT EOTF. To Display Referred Linear: Undo developer baked CRT gamma (from 2.40 at default 0.1 CRT black level, to 2.60 at 0.0 CRT black level)
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col = EOTF_1886a_f3(col, g_CRT_l, params.g_CRT_b, params.g_CRT_c);
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col = EOTF_1886a_f3(col, CRT_l, params.g_CRT_b, params.g_CRT_c);
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//_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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@ -797,16 +795,16 @@ void main()
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screen *= transpose(color);
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// CRT Phosphor Gamut (0.0 is noop)
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// CRT Phosphor Gamut (0.0 is sRGB/noop)
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mat3 m_in;
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if (crtgamut == -3.0) { m_in = SMPTE170M_ph; } else
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if (crtgamut == -2.0) { m_in = CRT_95s_ph; } else
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if (crtgamut == -2.0) { m_in = RPTV_95s_ph; } else
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if (crtgamut == -1.0) { m_in = P22_80s_ph; } else
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if (crtgamut == 0.0) { m_in = sRGB_prims; } else
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if (crtgamut == 1.0) { m_in = P22_90s_ph; } else
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if (crtgamut == 2.0) { m_in = P22_J_ph; } else
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if (crtgamut == 3.0) { m_in = SMPTE470BG_ph; }
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if (crtgamut == 3.0) { m_in = SMPTE470BG_ph; } else
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{ m_in = sRGB_prims; }
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// Display color space
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@ -897,15 +895,13 @@ void main()
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src_h *= (vignette == 1.0) ? vig : 1.0;
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// Dark to Dim adaptation OOTF; only for 709 and 2020
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vec3 src_D = global.g_Dark_to_Dim > 0.0 ? pow(src_h,vec3(0.9811)) : src_h;
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// Dark to Dim adaptation OOTF; for 709, P3-D65 and 2020
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float DtD = global.g_Dark_to_Dim > 0.0 ? 1/0.9811 : 1.0;
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// EOTF^-1 - Inverted Electro-Optical Transfer Function
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vec3 TRC = (SPC == 3.0) ? clamp(pow(src_h, vec3(1./ (563./256.))), 0., 1.) : \
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(SPC == 2.0) ? moncurve_r_f3(src_D, 2.20 + 0.022222, 0.0993) : \
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(SPC == 1.0) ? clamp(pow(src_h, vec3(1./(2.20 + 0.40))), 0., 1.) : \
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(SPC == 0.0) ? moncurve_r_f3(src_h, 2.20 + 0.20, 0.0550) : \
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clamp(pow( src_D, vec3(1./(2.20 + 0.20))), 0., 1.) ;
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clamp(pow( src_h, vec3(1./((2.20 + 0.20)*DtD))), 0., 1.) ;
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// External Flare for Surround Illuminant 2700K (Soft White) at F0 (Lambertian reflectance); defines offset thus also black lift
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@ -86,7 +86,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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} global;
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/*
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Grade (03-06-2023)
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Grade (16-06-2023)
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> See settings decriptions at: https://forums.libretro.com/t/dogways-grading-shader-slang/27148/442
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> Ubershader grouping some monolithic color related shaders:
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@ -98,7 +98,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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**Syh, Nesguy, hunterk, and the libretro forum members.
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######################################...PRESETS...#######################################
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#####################################...STANDARDS...######################################
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##########################################################################################
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### ###
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### PAL ###
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@ -185,7 +185,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
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#define V_SHIFT params.g_V_SHIFT
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#define U_MUL params.g_U_MUL
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#define V_MUL params.g_V_MUL
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#define g_CRT_l -(100000.*log((72981.-500000./(3.*max(2.3,params.g_CRT_l)))/9058.))/945461.
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#define CRT_l -(100000.*log((72981.-500000./(3.*max(2.3,params.g_CRT_l)))/9058.))/945461.
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#define lum_fix params.g_lum_fix
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#define vignette global.g_vignette
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#define GCompress global.g_GCompress
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@ -266,7 +266,6 @@ vec3 XYZ_to_RGB(vec3 XYZ, mat3 primaries) {
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}
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vec3 XYZtoYxy(vec3 XYZ) {
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float XYZrgb = XYZ.r+XYZ.g+XYZ.b;
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@ -287,7 +286,7 @@ vec3 YxytoXYZ(vec3 Yxy) {
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///////////////////////// White Point Mapping /////////////////////////
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//
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//
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// PAL: D65 NTSC-U: D65 NTSC-J: CCT NTSC-J
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// PAL: D65 NTSC-U: D65 NTSC-J: CCT 9300K+27MPCD
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// PAL: 6503.512K NTSC-U: 6503.512K NTSC-J: ~8945.436K
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// [x:0.31266142 y:0.3289589] [x:0.281 y:0.311]
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@ -376,8 +375,8 @@ vec3 EOTF_1886a_f3( vec3 color, float BlackLevel, float brightness, float contra
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//----------------------------------------------------------------------
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float moncurve_f( float color, float gamma, float offs)
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{
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float moncurve_f( float color, float gamma, float offs) {
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// Forward monitor curve
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color = clamp(color, 0.0, 1.0);
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float fs = (( gamma - 1.0) / offs) * pow( offs * gamma / ( ( gamma - 1.0) * ( 1.0 + offs)), gamma);
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@ -388,8 +387,8 @@ float moncurve_f( float color, float gamma, float offs)
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}
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vec3 moncurve_f_f3( vec3 color, float gamma, float offs)
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{
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vec3 moncurve_f_f3( vec3 color, float gamma, float offs) {
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color.r = moncurve_f( color.r, gamma, offs);
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color.g = moncurve_f( color.g, gamma, offs);
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color.b = moncurve_f( color.b, gamma, offs);
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@ -397,8 +396,8 @@ vec3 moncurve_f_f3( vec3 color, float gamma, float offs)
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}
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float moncurve_r( float color, float gamma, float offs)
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{
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float moncurve_r( float color, float gamma, float offs) {
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// Reverse monitor curve
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color = clamp(color, 0.0, 1.0);
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float yb = pow( offs * gamma / ( ( gamma - 1.0) * ( 1.0 + offs)), gamma);
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@ -409,8 +408,8 @@ float moncurve_r( float color, float gamma, float offs)
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}
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vec3 moncurve_r_f3( vec3 color, float gamma, float offs)
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{
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vec3 moncurve_r_f3( vec3 color, float gamma, float offs) {
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color.r = moncurve_r( color.r, gamma, offs);
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color.g = moncurve_r( color.g, gamma, offs);
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color.b = moncurve_r( color.b, gamma, offs);
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@ -469,8 +468,8 @@ vec3 rolled_gain_v3(vec3 color, float gain){
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}
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float SatMask(float color_r, float color_g, float color_b)
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{
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float SatMask(float color_r, float color_g, float color_b) {
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float max_rgb = max(color_r, max(color_g, color_b));
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float min_rgb = min(color_r, min(color_g, color_b));
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float msk = clamp((max_rgb - min_rgb) / (max_rgb + min_rgb), 0.0, 1.0);
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@ -481,14 +480,12 @@ float SatMask(float color_r, float color_g, float color_b)
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// This shouldn't be necessary but it seems some undefined values can
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// creep in and each GPU vendor handles that differently. This keeps
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// all values within a safe range
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vec3 mixfix(vec3 a, vec3 b, float c)
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{
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vec3 mixfix(vec3 a, vec3 b, float c) {
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return (a.z < 1.0) ? mix(a, b, c) : a;
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}
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vec4 mixfix_v4(vec4 a, vec4 b, float c)
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{
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vec4 mixfix_v4(vec4 a, vec4 b, float c) {
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return (a.z < 1.0) ? mix(a, b, c) : a;
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}
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@ -507,8 +504,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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vec3 WPD = global.wp_temperature < 7000 ? vec3(1,temp,(temp-1)/2+1) : vec3((temp-1)/2+1,temp,1);
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sat = max(0.0,g_sat+1)*(sat*beam) * WPD;
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mat2x3 LimThres = \
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mat2x3( 0.100000,0.100000,0.100000,
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mat2x3 LimThres = mat2x3( 0.100000,0.100000,0.100000,
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0.125000,0.125000,0.125000);
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if (SPC < 1.0) {
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@ -566,7 +562,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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// Inverse RGB Ratios to RGB
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// and Mask with "luma"
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return mix(rgb, ac-cd.xyz*abs(ac), pow(grey,1/2.4));
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return mix(rgb, ac-cd.xyz*abs(ac), pow(grey,1/params.g_CRT_l));
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}
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@ -575,7 +571,7 @@ vec3 GamutCompression (vec3 rgb, float grey) {
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// Matrices in OpenGL column-major
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// Matrices in column-major
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//----------------------- Y'UV color model -----------------------
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@ -695,7 +691,7 @@ const mat3 SMPTE470BG_ph =
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// NTSC-J P22
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// Mix between averaging KV-20M20, KDS VS19, Dell D93, 4-TR-B09v1_0.pdf and Phosphor Handbook 'P22'
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// ILLUMINANT: D93->[0.281000,0.311000] (CCT of 8945.436K)
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// ILLUMINANT: D97->[0.285000,0.285000] (CCT of 9696K) for Nanao MS-2930s series (in practice prolly more like ~9177.98K)
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// ILLUMINANT: D97->[0.285000,0.285000] (CCT of 9696K) for Nanao MS-2930s series (around 10000.0K for wp_adjust() daylight fit)
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const mat3 P22_J_ph =
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mat3(
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0.625, 0.280, 0.152,
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@ -721,8 +717,8 @@ const mat3 P22_90s_ph =
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0.3329, 0.6310, 0.0642,
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0.0010, 0.0556, 0.7886);
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// CRT for Projection Tubes for NTSC-U late 90s, early 00s
|
||||
const mat3 CRT_95s_ph =
|
||||
// RPTV (Rear Projection TV) for NTSC-U late 90s, early 00s
|
||||
const mat3 RPTV_95s_ph =
|
||||
mat3(
|
||||
0.640, 0.341, 0.150,
|
||||
0.335, 0.586, 0.070,
|
||||
|
|
@ -813,7 +809,7 @@ void main()
|
|||
|
||||
|
||||
// CRT EOTF. To Display Referred Linear: Undo developer baked CRT gamma (from 2.40 at default 0.1 CRT black level, to 2.60 at 0.0 CRT black level)
|
||||
col = EOTF_1886a_f3(vcolor, g_CRT_l, params.g_CRT_b, params.g_CRT_c);
|
||||
col = EOTF_1886a_f3(vcolor, CRT_l, params.g_CRT_b, params.g_CRT_c);
|
||||
|
||||
|
||||
//_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
|
||||
|
|
@ -833,16 +829,16 @@ void main()
|
|||
screen *= transpose(color);
|
||||
|
||||
|
||||
// CRT Phosphor Gamut (0.0 is noop)
|
||||
// CRT Phosphor Gamut (0.0 is sRGB/noop)
|
||||
mat3 m_in;
|
||||
|
||||
if (crtgamut == -3.0) { m_in = SMPTE170M_ph; } else
|
||||
if (crtgamut == -2.0) { m_in = CRT_95s_ph; } else
|
||||
if (crtgamut == -2.0) { m_in = RPTV_95s_ph; } else
|
||||
if (crtgamut == -1.0) { m_in = P22_80s_ph; } else
|
||||
if (crtgamut == 0.0) { m_in = sRGB_prims; } else
|
||||
if (crtgamut == 1.0) { m_in = P22_90s_ph; } else
|
||||
if (crtgamut == 2.0) { m_in = P22_J_ph; } else
|
||||
if (crtgamut == 3.0) { m_in = SMPTE470BG_ph; }
|
||||
if (crtgamut == 3.0) { m_in = SMPTE470BG_ph; } else
|
||||
{ m_in = sRGB_prims; }
|
||||
|
||||
m_in = (global.LUT1_toggle == 0.0) ? m_in : sRGB_prims;
|
||||
|
||||
|
|
@ -934,15 +930,13 @@ void main()
|
|||
src_h *= (vignette == 1.0) ? vig : 1.0;
|
||||
|
||||
|
||||
// Dark to Dim adaptation OOTF; only for 709 and 2020
|
||||
vec3 src_D = global.g_Dark_to_Dim > 0.0 ? pow(src_h,vec3(0.9811)) : src_h;
|
||||
// Dark to Dim adaptation OOTF; for 709, P3-D65 and 2020
|
||||
float DtD = global.g_Dark_to_Dim > 0.0 ? 1/0.9811 : 1.0;
|
||||
|
||||
// EOTF^-1 - Inverted Electro-Optical Transfer Function
|
||||
vec3 TRC = (SPC == 3.0) ? clamp(pow(src_h, vec3(1./ (563./256.))), 0., 1.) : \
|
||||
(SPC == 2.0) ? moncurve_r_f3(src_D, 2.20 + 0.022222, 0.0993) : \
|
||||
(SPC == 1.0) ? clamp(pow(src_h, vec3(1./(2.20 + 0.40))), 0., 1.) : \
|
||||
(SPC == 0.0) ? moncurve_r_f3(src_h, 2.20 + 0.20, 0.0550) : \
|
||||
clamp(pow( src_D, vec3(1./(2.20 + 0.20))), 0., 1.) ;
|
||||
clamp(pow( src_h, vec3(1./((2.20 + 0.20)*DtD))), 0., 1.) ;
|
||||
|
||||
|
||||
// External Flare for Surround Illuminant 2700K (Soft White) at F0 (Lambertian reflectance); defines offset thus also black lift
|
||||
|
|
|
|||
Loading…
Reference in a new issue