mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-29 10:51:30 +11:00
add lcd-cgwg and dot shaders to handheld
This commit is contained in:
hunterk
parent
2a48c2148c
commit
762dfe1cb5
98
handheld/dot.slang
Normal file
98
handheld/dot.slang
Normal file
|
|
@ -0,0 +1,98 @@
|
|||
#version 450
|
||||
|
||||
layout(std140, set = 0, binding = 0) uniform UBO
|
||||
{
|
||||
mat4 MVP;
|
||||
vec4 OutputSize;
|
||||
vec4 OriginalSize;
|
||||
vec4 SourceSize;
|
||||
} global;
|
||||
|
||||
#define gamma 2.4
|
||||
#define shine 0.05
|
||||
#define blend 0.65
|
||||
|
||||
/*
|
||||
Author: Themaister
|
||||
License: Public domain
|
||||
*/
|
||||
|
||||
#define TEX(coord) texture(Source, vTexCoord).rgb
|
||||
|
||||
float dist(vec2 coord, vec2 source)
|
||||
{
|
||||
vec2 delta = coord - source;
|
||||
return sqrt(dot(delta, delta));
|
||||
}
|
||||
|
||||
float color_bloom(vec3 color)
|
||||
{
|
||||
const vec3 gray_coeff = vec3(0.30, 0.59, 0.11);
|
||||
float bright = dot(color, gray_coeff);
|
||||
return mix(1.0 + shine, 1.0 - shine, bright);
|
||||
}
|
||||
|
||||
vec3 lookup(vec2 pixel_no, float offset_x, float offset_y, vec3 color)
|
||||
{
|
||||
vec2 offset = vec2(offset_x, offset_y);
|
||||
float delta = dist(fract(pixel_no), offset + vec2(0.5, 0.5));
|
||||
return color * exp(-gamma * delta * color_bloom(color));
|
||||
}
|
||||
|
||||
#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 vec4 c00_10;
|
||||
layout(location = 2) out vec4 c00_01;
|
||||
layout(location = 3) out vec4 c20_01;
|
||||
layout(location = 4) out vec4 c21_02;
|
||||
layout(location = 5) out vec4 c12_22;
|
||||
layout(location = 6) out vec2 c11;
|
||||
layout(location = 7) out vec2 pixel_no;
|
||||
|
||||
void main()
|
||||
{
|
||||
gl_Position = global.MVP * Position;
|
||||
vTexCoord = TexCoord;
|
||||
|
||||
float dx = global.SourceSize.z;
|
||||
float dy = global.SourceSize.w;
|
||||
|
||||
c00_10 = vec4(vTexCoord + vec2(-dx, -dy), vTexCoord + vec2(0, -dy));
|
||||
c20_01 = vec4(vTexCoord + vec2(dx, -dy), vTexCoord + vec2(-dx, 0));
|
||||
c21_02 = vec4(vTexCoord + vec2(dx, 0), vTexCoord + vec2(-dx, dy));
|
||||
c12_22 = vec4(vTexCoord + vec2(0, dy), vTexCoord + vec2(dx, dy));
|
||||
c11 = vTexCoord;
|
||||
pixel_no = vTexCoord * global.SourceSize.xy;
|
||||
}
|
||||
|
||||
#pragma stage fragment
|
||||
layout(location = 0) in vec2 vTexCoord;
|
||||
layout(location = 1) in vec4 c00_10;
|
||||
layout(location = 2) in vec4 c00_01;
|
||||
layout(location = 3) in vec4 c20_01;
|
||||
layout(location = 4) in vec4 c21_02;
|
||||
layout(location = 5) in vec4 c12_22;
|
||||
layout(location = 6) in vec2 c11;
|
||||
layout(location = 7) in vec2 pixel_no;
|
||||
layout(location = 0) out vec4 FragColor;
|
||||
layout(set = 0, binding = 2) uniform sampler2D Source;
|
||||
|
||||
void main()
|
||||
{
|
||||
vec3 mid_color = lookup(pixel_no, 0.0, 0.0, TEX(c11));
|
||||
vec3 color = vec3(0.0, 0.0, 0.0);
|
||||
color += lookup(pixel_no, -1.0, -1.0, TEX(c00_10.xy));
|
||||
color += lookup(pixel_no, 0.0, -1.0, TEX(c00_10.zw));
|
||||
color += lookup(pixel_no, 1.0, -1.0, TEX(c20_01.xy));
|
||||
color += lookup(pixel_no, -1.0, 0.0, TEX(c20_01.zw));
|
||||
color += mid_color;
|
||||
color += lookup(pixel_no, 1.0, 0.0, TEX(c21_02.xy));
|
||||
color += lookup(pixel_no, -1.0, 1.0, TEX(c21_02.zw));
|
||||
color += lookup(pixel_no, 0.0, 1.0, TEX(c12_22.xy));
|
||||
color += lookup(pixel_no, 1.0, 1.0, TEX(c12_22.zw));
|
||||
vec3 out_color = mix(1.2 * mid_color, color, blend);
|
||||
|
||||
FragColor = vec4(out_color, 1.0);
|
||||
}
|
||||
114
handheld/lcd-cgwg/lcd-grid-v2.slang
Normal file
114
handheld/lcd-cgwg/lcd-grid-v2.slang
Normal file
|
|
@ -0,0 +1,114 @@
|
|||
#version 450
|
||||
|
||||
layout(std140, set = 0, binding = 0) uniform UBO
|
||||
{
|
||||
mat4 MVP;
|
||||
vec4 OutputSize;
|
||||
vec4 OriginalSize;
|
||||
vec4 SourceSize;
|
||||
} global;
|
||||
|
||||
#define RSUBPIX_R 1.0
|
||||
#define RSUBPIX_G 0.0
|
||||
#define RSUBPIX_B 0.0
|
||||
#define GSUBPIX_R 0.0
|
||||
#define GSUBPIX_G 1.0
|
||||
#define GSUBPIX_B 0.0
|
||||
#define BSUBPIX_R 0.0
|
||||
#define BSUBPIX_G 0.0
|
||||
#define BSUBPIX_B 1.0
|
||||
#define gain 1.0
|
||||
#define gamma 3.0
|
||||
#define blacklevel 0.05
|
||||
#define ambient 0.0
|
||||
#define BGR 0.0
|
||||
|
||||
#define outgamma 2.2
|
||||
|
||||
#define fetch_offset(coord,offset) (pow(vec3(gain) * texelFetchOffset(Source, (coord), 0, (offset)).rgb + vec3(blacklevel), vec3(gamma)) + vec3(ambient))
|
||||
|
||||
#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;
|
||||
}
|
||||
|
||||
#pragma stage fragment
|
||||
layout(location = 0) in vec2 vTexCoord;
|
||||
layout(location = 0) out vec4 FragColor;
|
||||
layout(set = 0, binding = 2) uniform sampler2D Source;
|
||||
|
||||
// integral of (1 - x^2 - x^4 + x^6)^2
|
||||
float coeffs_x[] = float[](1.0, -2.0/3.0, -1.0/5.0, 4.0/7.0, -1.0/9.0, -2.0/11.0, 1.0/13.0);
|
||||
// integral of (1 - 2x^4 + x^6)^2
|
||||
float coeffs_y[] = float[](1.0, 0.0, -4.0/5.0, 2.0/7.0, 4.0/9.0, -4.0/11.0, 1.0/13.0);
|
||||
|
||||
float intsmear_func(float z, float coeffs[7])
|
||||
{
|
||||
float z2 = z*z;
|
||||
float zn = z;
|
||||
float ret = 0.0;
|
||||
for (int i = 0; i < 7; i++) {
|
||||
ret += zn*coeffs[i];
|
||||
zn *= z2;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
float intsmear(float x, float dx, float d, float coeffs[7])
|
||||
{
|
||||
float zl = clamp((x-dx*0.5)/d,-1.0,1.0);
|
||||
float zh = clamp((x+dx*0.5)/d,-1.0,1.0);
|
||||
return d * ( intsmear_func(zh,coeffs) - intsmear_func(zl,coeffs) )/dx;
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
vec2 texelSize = global.SourceSize.zw;
|
||||
vec2 range;
|
||||
range = global.SourceSize.xy / (global.OutputSize.xy * global.SourceSize.xy);
|
||||
|
||||
vec3 cred = pow(vec3(RSUBPIX_R, RSUBPIX_G, RSUBPIX_B), vec3(outgamma));
|
||||
vec3 cgreen = pow(vec3(GSUBPIX_R, GSUBPIX_G, GSUBPIX_B), vec3(outgamma));
|
||||
vec3 cblue = pow(vec3(BSUBPIX_R, BSUBPIX_G, BSUBPIX_B), vec3(outgamma));
|
||||
|
||||
ivec2 tli = ivec2(floor(vTexCoord/texelSize-vec2(0.4999)));
|
||||
|
||||
vec3 lcol, rcol;
|
||||
float subpix = (vTexCoord.x/texelSize.x - 0.4999 - float(tli.x))*3.0;
|
||||
float rsubpix = range.x/texelSize.x * 3.0;
|
||||
|
||||
lcol = vec3(intsmear(subpix+1.0,rsubpix, 1.5, coeffs_x),
|
||||
intsmear(subpix ,rsubpix, 1.5, coeffs_x),
|
||||
intsmear(subpix-1.0,rsubpix, 1.5, coeffs_x));
|
||||
rcol = vec3(intsmear(subpix-2.0,rsubpix, 1.5, coeffs_x),
|
||||
intsmear(subpix-3.0,rsubpix, 1.5, coeffs_x),
|
||||
intsmear(subpix-4.0,rsubpix, 1.5, coeffs_x));
|
||||
|
||||
if (BGR > 0.5) {
|
||||
lcol.rgb = lcol.bgr;
|
||||
rcol.rgb = rcol.bgr;
|
||||
}
|
||||
|
||||
float tcol, bcol;
|
||||
subpix = vTexCoord.y/texelSize.y - 0.4999 - float(tli.y);
|
||||
rsubpix = range.y/texelSize.y;
|
||||
tcol = intsmear(subpix ,rsubpix, 0.63, coeffs_y);
|
||||
bcol = intsmear(subpix-1.0,rsubpix, 0.63, coeffs_y);
|
||||
|
||||
vec3 topLeftColor = fetch_offset(tli, ivec2(0,0)) * lcol * vec3(tcol);
|
||||
vec3 bottomRightColor = fetch_offset(tli, ivec2(1,1)) * rcol * vec3(bcol);
|
||||
vec3 bottomLeftColor = fetch_offset(tli, ivec2(0,1)) * lcol * vec3(bcol);
|
||||
vec3 topRightColor = fetch_offset(tli, ivec2(1,0)) * rcol * vec3(tcol);
|
||||
|
||||
vec3 averageColor = topLeftColor + bottomRightColor + bottomLeftColor + topRightColor;
|
||||
|
||||
averageColor = averageColor * mat3(cred, cgreen, cblue);
|
||||
|
||||
FragColor = vec4(pow(averageColor,vec3(1.0/outgamma)),0.0);
|
||||
}
|
||||
91
handheld/lcd-cgwg/lcd-grid.slang
Normal file
91
handheld/lcd-cgwg/lcd-grid.slang
Normal file
|
|
@ -0,0 +1,91 @@
|
|||
#version 450
|
||||
|
||||
layout(std140, set = 0, binding = 0) uniform UBO
|
||||
{
|
||||
mat4 MVP;
|
||||
vec4 OutputSize;
|
||||
vec4 OriginalSize;
|
||||
vec4 SourceSize;
|
||||
} global;
|
||||
|
||||
#define GRID_STRENGTH 0.05
|
||||
|
||||
#define outgamma 2.2
|
||||
|
||||
#define round(x) floor( (x) + 0.5 )
|
||||
#define gamma 2.2
|
||||
#define TEX2D(c) pow(texture(Source, (c)), vec4(gamma))
|
||||
|
||||
#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;
|
||||
}
|
||||
|
||||
#pragma stage fragment
|
||||
layout(location = 0) in vec2 vTexCoord;
|
||||
layout(location = 0) out vec4 FragColor;
|
||||
layout(set = 0, binding = 2) uniform sampler2D Source;
|
||||
|
||||
float intsmear_func(float z)
|
||||
{
|
||||
float z2 = z*z;
|
||||
float z4 = z2*z2;
|
||||
float z8 = z4*z4;
|
||||
return z - 2.0/3.0*z*z2 - 1.0/5.0*z*z4 + 4.0/7.0*z*z2*z4 - 1.0/9.0*z*z8
|
||||
- 2.0/11.0*z*z2*z8 + 1.0/13.0*z*z4*z8;
|
||||
}
|
||||
|
||||
float intsmear(float x, float dx)
|
||||
{
|
||||
const float d = 1.5;
|
||||
float zl = clamp((x-dx)/d,-1.0,1.0);
|
||||
float zh = clamp((x+dx)/d,-1.0,1.0);
|
||||
return d * ( intsmear_func(zh) - intsmear_func(zl) )/(2.0*dx);
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
vec2 texelSize = global.SourceSize.zw;
|
||||
vec2 subtexelSize = texelSize / vec2(3.0,1.0);
|
||||
vec2 range;
|
||||
range = global.SourceSize.xy / (global.OutputSize.xy * global.SourceSize.xy);
|
||||
|
||||
float left = vTexCoord.x - texelSize.x*0.5;
|
||||
float top = vTexCoord.y + range.y;
|
||||
float right = vTexCoord.x + texelSize.x*0.5;
|
||||
float bottom = vTexCoord.y - range.y;
|
||||
|
||||
vec4 lcol, rcol;
|
||||
float subpix = mod(vTexCoord.x/subtexelSize.x+1.5,3.0);
|
||||
float rsubpix = range.x/subtexelSize.x;
|
||||
lcol = vec4(intsmear(subpix+1.0,rsubpix),intsmear(subpix ,rsubpix),
|
||||
intsmear(subpix-1.0,rsubpix),0.0);
|
||||
rcol = vec4(intsmear(subpix-2.0,rsubpix),intsmear(subpix-3.0,rsubpix),
|
||||
intsmear(subpix-4.0,rsubpix),0.0);
|
||||
|
||||
vec4 topLeftColor = TEX2D((floor(vec2(left, top) / texelSize) + 0.5) * texelSize) * lcol;
|
||||
vec4 bottomRightColor = TEX2D((floor(vec2(right, bottom) / texelSize) + 0.5) * texelSize) * rcol;
|
||||
vec4 bottomLeftColor = TEX2D((floor(vec2(left, bottom) / texelSize) + 0.5) * texelSize) * lcol;
|
||||
vec4 topRightColor = TEX2D((floor(vec2(right, top) / texelSize) + 0.5) * texelSize) * rcol;
|
||||
|
||||
vec2 border = round(vTexCoord.st/subtexelSize);
|
||||
vec2 bordert = clamp((border+vec2(0.0,+GRID_STRENGTH)) * subtexelSize,
|
||||
vec2(left, bottom), vec2(right, top));
|
||||
vec2 borderb = clamp((border+vec2(0.0,-GRID_STRENGTH)) * subtexelSize,
|
||||
vec2(left, bottom), vec2(right, top));
|
||||
float totalArea = 2.0 * range.y;
|
||||
|
||||
vec4 averageColor;
|
||||
averageColor = ((top - bordert.y) / totalArea) * topLeftColor;
|
||||
averageColor += ((borderb.y - bottom) / totalArea) * bottomRightColor;
|
||||
averageColor += ((borderb.y - bottom) / totalArea) * bottomLeftColor;
|
||||
averageColor += ((top - bordert.y) / totalArea) * topRightColor;
|
||||
|
||||
FragColor = pow(averageColor,vec4(1.0/gamma));
|
||||
}
|
||||
Loading…
Reference in a new issue