mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-10-17 23:31:31 +11:00
115 lines
3.4 KiB
Plaintext
115 lines
3.4 KiB
Plaintext
#version 450
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CC0 1.0 Universal (CC0 1.0)
|
|
// Public Domain Dedication
|
|
//
|
|
// To the extent possible under law, J. Kyle Pittman has waived all
|
|
// copyright and related or neighboring rights to this implementation
|
|
// of CRT simulation. This work is published from the United States.
|
|
//
|
|
// For more information, please visit
|
|
// https://creativecommons.org/publicdomain/zero/1.0/
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
#define half4 vec4
|
|
#define half3 vec3
|
|
#define half2 vec2
|
|
#define half float
|
|
#define lerp(a, b, c) mix(a, b, c)
|
|
#define tex2D(a, b) texture(a, b)
|
|
#define mul(a, b) (b * a)
|
|
#define saturate(c) clamp(c, 0.0, 1.0)
|
|
|
|
layout(std140, set = 0, binding = 0) uniform UBO
|
|
{
|
|
mat4 MVP;
|
|
vec4 SourceSize;
|
|
vec4 OriginalSize;
|
|
vec4 OutputSize;
|
|
uint FrameCount;
|
|
float FrameColor_R;
|
|
float FrameColor_G;
|
|
float FrameColor_B;
|
|
} global;
|
|
|
|
#pragma parameter FrameColor_R "Frame Color R" 1.0 0.0 1.0 0.05
|
|
#pragma parameter FrameColor_G "Frame Color G" 1.0 0.0 1.0 0.05
|
|
#pragma parameter FrameColor_B "Frame Color B" 1.0 0.0 1.0 0.05
|
|
|
|
#include "crtbase.h"
|
|
|
|
#pragma stage vertex
|
|
layout(location = 0) in vec4 Position;
|
|
layout(location = 1) in vec2 TexCoord;
|
|
layout(location = 0) out vec2 vTexCoord;
|
|
//layout(location = 1) out vec3 norm;
|
|
//layout(location = 2) out vec3 camDir;
|
|
//layout(location = 3) out vec3 lightDir;
|
|
//layout(location = 4) out float blend;
|
|
|
|
//mat4x4 wvpMat = global.MVP;
|
|
//mat4x4 worldMat = global.MVP;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = global.MVP * Position;
|
|
vTexCoord = TexCoord;
|
|
/*
|
|
// This is really unnecessary since it SHOULD always be identity, but whatever...
|
|
half3 worldPos = mul(half4(Position.xyz, 1.0), worldMat).xyz;
|
|
|
|
// Don't normalize this pre-pixel shader
|
|
camDir = camPos - worldPos;
|
|
lightDir = params.Tuning_LightPos - worldPos;
|
|
*/
|
|
}
|
|
|
|
#pragma stage fragment
|
|
layout(location = 0) in vec2 vTexCoord;
|
|
//layout(location = 1) in vec3 norm;
|
|
//layout(location = 2) in vec3 camDir;
|
|
//layout(location = 3) in vec3 lightDir;
|
|
//layout(location = 4) in float blend;
|
|
layout(location = 0) out vec4 FragColor;
|
|
layout(set = 0, binding = 2) uniform sampler2D Source;
|
|
layout(set = 0, binding = 3) uniform sampler2D shadowMaskSampler;
|
|
|
|
void main()
|
|
{
|
|
/*
|
|
half3 norm = normalize(norm);
|
|
|
|
half3 camDir = normalize(camDir);
|
|
half3 lightDir = normalize(lightDir);
|
|
|
|
half diffuse = saturate(dot(norm, lightDir));
|
|
|
|
half3 worldUp = half3(0.,0.,1.);
|
|
half hemi = dot(norm, worldUp) * 0.5 + 0.5;
|
|
hemi = hemi * 0.4 + 0.3; // [0.3,0.7] range
|
|
|
|
vec4 Tuning_FrameColor = vec4(global.FrameColor_R, global.FrameColor_G, global.FrameColor_B, 1.0);
|
|
half4 colordiff = Tuning_FrameColor * (diffuse + hemi) * params.Tuning_Diff_Brightness;
|
|
|
|
half3 halfVec = normalize(lightDir + camDir);
|
|
half spec = saturate(dot(norm, halfVec));
|
|
spec = pow(spec, Tuning_Spec_Power);
|
|
half4 colorspec = half4(0.25, 0.25, 0.25, 1.) * spec * params.Tuning_Spec_Brightness;
|
|
|
|
half4 emissive = SampleCRT(shadowMaskSampler, Source, vTexCoord);
|
|
|
|
colorspec += (emissive * blend * Tuning_ReflScalar);
|
|
|
|
half fres = 1.0 - dot(camDir, norm);
|
|
fres = (fres*fres) * Tuning_Fres_Brightness;
|
|
half4 colorfres = half4(0.15, 0.15, 0.15, 1.) * fres;
|
|
|
|
half4 nearfinal = (colorfres + colordiff + colorspec);
|
|
|
|
FragColor = (nearfinal * lerp(ivec4(1,1,1,1), color, Tuning_Dimming));
|
|
*/
|
|
FragColor = vec4(SampleCRT(shadowMaskSampler, Source, vTexCoord));
|
|
} |