mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-22 15:51:30 +11:00
add median filtering shaders and presets
This commit is contained in:
hunterk
parent
4a30ee25db
commit
a9852e51cd
6
denoisers/median_3x3.slangp
Normal file
6
denoisers/median_3x3.slangp
Normal file
|
|
@ -0,0 +1,6 @@
|
||||||
|
shaders = 1
|
||||||
|
|
||||||
|
shader0 = shaders/median_3x3.slang
|
||||||
|
filter_linear0 = false
|
||||||
|
scale_type0 = source
|
||||||
|
scale0 = 1.0
|
||||||
6
denoisers/median_5x5.slangp
Normal file
6
denoisers/median_5x5.slangp
Normal file
|
|
@ -0,0 +1,6 @@
|
||||||
|
shaders = 1
|
||||||
|
|
||||||
|
shader0 = shaders/median_5x5.slang
|
||||||
|
filter_linear0 = false
|
||||||
|
scale_type0 = source
|
||||||
|
scale0 = 1.0
|
||||||
107
denoisers/shaders/median_3x3.slang
Normal file
107
denoisers/shaders/median_3x3.slang
Normal file
|
|
@ -0,0 +1,107 @@
|
||||||
|
#version 450
|
||||||
|
|
||||||
|
/*
|
||||||
|
3x3 Median optimized for GeForce 8800
|
||||||
|
|
||||||
|
Morgan McGuire and Kyle Whitson
|
||||||
|
Williams College
|
||||||
|
|
||||||
|
Register allocation tips by Victor Huang Xiaohuang
|
||||||
|
University of Illinois at Urbana-Champaign
|
||||||
|
|
||||||
|
http://graphics.cs.williams.edu
|
||||||
|
|
||||||
|
|
||||||
|
Copyright (c) Morgan McGuire and Williams College, 2006
|
||||||
|
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.
|
||||||
|
|
||||||
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
"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
|
||||||
|
HOLDER 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
layout(push_constant) uniform Push
|
||||||
|
{
|
||||||
|
vec4 SourceSize;
|
||||||
|
vec4 OriginalSize;
|
||||||
|
vec4 OutputSize;
|
||||||
|
uint FrameCount;
|
||||||
|
} params;
|
||||||
|
|
||||||
|
layout(std140, set = 0, binding = 0) uniform UBO
|
||||||
|
{
|
||||||
|
mat4 MVP;
|
||||||
|
} global;
|
||||||
|
|
||||||
|
#define s2(a, b) temp = a; a = min(a, b); b = max(temp, b);
|
||||||
|
#define mn3(a, b, c) s2(a, b); s2(a, c);
|
||||||
|
#define mx3(a, b, c) s2(b, c); s2(a, c);
|
||||||
|
|
||||||
|
#define mnmx3(a, b, c) mx3(a, b, c); s2(a, b); // 3 exchanges
|
||||||
|
#define mnmx4(a, b, c, d) s2(a, b); s2(c, d); s2(a, c); s2(b, d); // 4 exchanges
|
||||||
|
#define mnmx5(a, b, c, d, e) s2(a, b); s2(c, d); mn3(a, c, e); mx3(b, d, e); // 6 exchanges
|
||||||
|
#define mnmx6(a, b, c, d, e, f) s2(a, d); s2(b, e); s2(c, f); mn3(a, b, c); mx3(d, e, f); // 7 exchanges
|
||||||
|
|
||||||
|
#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;
|
||||||
|
|
||||||
|
void main()
|
||||||
|
{
|
||||||
|
vec3 v[6];
|
||||||
|
|
||||||
|
v[0] = texture(Source, vTexCoord.xy + vec2(-1.0, -1.0) * params.SourceSize.zw).rgb;
|
||||||
|
v[1] = texture(Source, vTexCoord.xy + vec2( 0.0, -1.0) * params.SourceSize.zw).rgb;
|
||||||
|
v[2] = texture(Source, vTexCoord.xy + vec2(+1.0, -1.0) * params.SourceSize.zw).rgb;
|
||||||
|
v[3] = texture(Source, vTexCoord.xy + vec2(-1.0, 0.0) * params.SourceSize.zw).rgb;
|
||||||
|
v[4] = texture(Source, vTexCoord.xy + vec2( 0.0, 0.0) * params.SourceSize.zw).rgb;
|
||||||
|
v[5] = texture(Source, vTexCoord.xy + vec2(+1.0, 0.0) * params.SourceSize.zw).rgb;
|
||||||
|
|
||||||
|
// Starting with a subset of size 6, remove the min and max each time
|
||||||
|
vec3 temp;
|
||||||
|
mnmx6(v[0], v[1], v[2], v[3], v[4], v[5]);
|
||||||
|
|
||||||
|
v[5] = texture(Source, vTexCoord.xy + vec2(-1.0, +1.0) * params.SourceSize.zw).rgb;
|
||||||
|
|
||||||
|
mnmx5(v[1], v[2], v[3], v[4], v[5]);
|
||||||
|
|
||||||
|
v[5] = texture(Source, vTexCoord.xy + vec2( 0.0, +1.0) * params.SourceSize.zw).rgb;
|
||||||
|
|
||||||
|
mnmx4(v[2], v[3], v[4], v[5]);
|
||||||
|
|
||||||
|
v[5] = texture(Source, vTexCoord.xy + vec2(+1.0, +1.0) * params.SourceSize.zw).rgb;
|
||||||
|
|
||||||
|
mnmx3(v[3], v[4], v[5]);
|
||||||
|
FragColor = vec4(v[4], 1.0);
|
||||||
|
}
|
||||||
111
denoisers/shaders/median_5x5.slang
Normal file
111
denoisers/shaders/median_5x5.slang
Normal file
|
|
@ -0,0 +1,111 @@
|
||||||
|
#version 450
|
||||||
|
|
||||||
|
/*
|
||||||
|
5x5 Median
|
||||||
|
|
||||||
|
GLSL 1.0
|
||||||
|
Morgan McGuire and Kyle Whitson, 2006
|
||||||
|
Williams College
|
||||||
|
http://graphics.cs.williams.edu
|
||||||
|
|
||||||
|
Copyright (c) Morgan McGuire and Williams College, 2006
|
||||||
|
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.
|
||||||
|
|
||||||
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
"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
|
||||||
|
HOLDER 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
layout(push_constant) uniform Push
|
||||||
|
{
|
||||||
|
vec4 SourceSize;
|
||||||
|
vec4 OriginalSize;
|
||||||
|
vec4 OutputSize;
|
||||||
|
uint FrameCount;
|
||||||
|
} params;
|
||||||
|
|
||||||
|
layout(std140, set = 0, binding = 0) uniform UBO
|
||||||
|
{
|
||||||
|
mat4 MVP;
|
||||||
|
} global;
|
||||||
|
|
||||||
|
#define s2(a, b) temp = a; a = min(a, b); b = max(temp, b);
|
||||||
|
#define t2(a, b) s2(v[a], v[b]);
|
||||||
|
#define t24(a, b, c, d, e, f, g, h) t2(a, b); t2(c, d); t2(e, f); t2(g, h);
|
||||||
|
#define t25(a, b, c, d, e, f, g, h, i, j) t24(a, b, c, d, e, f, g, h); t2(i, j);
|
||||||
|
|
||||||
|
#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;
|
||||||
|
|
||||||
|
void main()
|
||||||
|
{
|
||||||
|
vec3 v[25];
|
||||||
|
|
||||||
|
// Add the pixels which make up our window to the pixel array.
|
||||||
|
for(int dX = -2; dX <= 2; ++dX) {
|
||||||
|
for(int dY = -2; dY <= 2; ++dY) {
|
||||||
|
vec2 offset = vec2(float(dX), float(dY));
|
||||||
|
|
||||||
|
// If a pixel in the window is located at (x+dX, y+dY), put it at index (dX + R)(2R + 1) + (dY + R) of the
|
||||||
|
// pixel array. This will fill the pixel array, with the top left pixel of the window at pixel[0] and the
|
||||||
|
// bottom right pixel of the window at pixel[N-1].
|
||||||
|
v[(dX + 2) * 5 + (dY + 2)] = texture(Source, vTexCoord.xy + offset * params.SourceSize.zw).rgb;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
vec3 temp;
|
||||||
|
|
||||||
|
t25(0, 1, 3, 4, 2, 4, 2, 3, 6, 7);
|
||||||
|
t25(5, 7, 5, 6, 9, 7, 1, 7, 1, 4);
|
||||||
|
t25(12, 13, 11, 13, 11, 12, 15, 16, 14, 16);
|
||||||
|
t25(14, 15, 18, 19, 17, 19, 17, 18, 21, 22);
|
||||||
|
t25(20, 22, 20, 21, 23, 24, 2, 5, 3, 6);
|
||||||
|
t25(0, 6, 0, 3, 4, 7, 1, 7, 1, 4);
|
||||||
|
t25(11, 14, 8, 14, 8, 11, 12, 15, 9, 15);
|
||||||
|
t25(9, 12, 13, 16, 10, 16, 10, 13, 20, 23);
|
||||||
|
t25(17, 23, 17, 20, 21, 24, 18, 24, 18, 21);
|
||||||
|
t25(19, 22, 8, 17, 9, 18, 0, 18, 0, 9);
|
||||||
|
t25(10, 19, 1, 19, 1, 10, 11, 20, 2, 20);
|
||||||
|
t25(2, 11, 12, 21, 3, 21, 3, 12, 13, 22);
|
||||||
|
t25(4, 22, 4, 13, 14, 23, 5, 23, 5, 14);
|
||||||
|
t25(15, 24, 6, 24, 6, 15, 7, 16, 7, 19);
|
||||||
|
t25(3, 11, 5, 17, 11, 17, 9, 17, 4, 10);
|
||||||
|
t25(6, 12, 7, 14, 4, 6, 4, 7, 12, 14);
|
||||||
|
t25(10, 14, 6, 7, 10, 12, 6, 10, 6, 17);
|
||||||
|
t25(12, 17, 7, 17, 7, 10, 12, 18, 7, 12);
|
||||||
|
t24(10, 18, 12, 20, 10, 20, 10, 12);
|
||||||
|
|
||||||
|
FragColor = vec4(v[12], 1.0);
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue