146 lines
4.9 KiB
Text
146 lines
4.9 KiB
Text
#version 450
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/* 4xSoft Smart deBlur shader
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Copyright (C) 2016 guest(r) - guest.r@gmail.com
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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layout(push_constant) uniform Push
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{
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vec4 SourceSize;
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vec4 OriginalSize;
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vec4 OutputSize;
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uint FrameCount;
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float RESOLUTION_X;
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float RESOLUTION_Y;
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float CONTRAST;
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} params;
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#pragma parameter RESOLUTION_X "4xSoft Input Resolution X" 0.0 0.0 1920.0 1.0
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#define RESOLUTION_X params.RESOLUTION_X
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#pragma parameter RESOLUTION_Y "4xSoft Input Resolution Y" 0.0 0.0 1920.0 1.0
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#define RESOLUTION_Y params.RESOLUTION_Y
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#pragma parameter CONTRAST "4xSoft Contrast" 3.0 0.0 10.0 0.1
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#define CONTRAST params.CONTRAST
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layout(std140, set = 0, binding = 0) uniform UBO
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{
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mat4 MVP;
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} global;
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const vec3 dt = vec3(1.0, 1.0, 1.0);
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const vec3 dtt = vec3(0.001,0.001,0.001);
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#define RESOLUTION_X_DEF params.SourceSize.x
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#define RESOLUTION_Y_DEF params.SourceSize.y
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#pragma stage vertex
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layout(location = 0) in vec4 Position;
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layout(location = 1) in vec2 TexCoord;
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layout(location = 0) out vec2 vTexCoord;
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layout(location = 1) out vec4 t1;
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layout(location = 2) out vec4 t2;
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layout(location = 3) out vec4 t3;
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layout(location = 4) out vec4 t4;
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layout(location = 5) out vec4 t5;
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layout(location = 6) out vec4 t6;
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void main()
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{
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/* messy I know but we need to make it possible to have it default to input resolution x/y in case RESOLUTION_X is 0.0 */
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vec2 ps = vec2(1.0/((RESOLUTION_X == 0) ? RESOLUTION_X_DEF : RESOLUTION_X), 1.0/((RESOLUTION_Y == 0) ? RESOLUTION_Y_DEF : RESOLUTION_Y));
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float dx = ps.x;
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float dy = ps.y;
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float sx = ps.x * 0.5;
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float sy = ps.y * 0.5;
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gl_Position = global.MVP * Position;
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vTexCoord = TexCoord;
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t1 = vec4(vTexCoord,vTexCoord) + vec4(-dx, -dy, dx, -dy); // outer diag. texels
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t2 = vec4(vTexCoord,vTexCoord) + vec4(dx, dy, -dx, dy);
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t3 = vec4(vTexCoord,vTexCoord) + vec4(-sx, -sy, sx, -sy); // inner diag. texels
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t4 = vec4(vTexCoord,vTexCoord) + vec4(sx, sy, -sx, sy);
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t5 = vec4(vTexCoord,vTexCoord) + vec4(-dx, 0, dx, 0); // inner hor/vert texels
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t6 = vec4(vTexCoord,vTexCoord) + vec4(0, -dy, 0, dy);
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}
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#pragma stage fragment
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layout(location = 0) in vec2 vTexCoord;
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layout(location = 1) in vec4 t1;
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layout(location = 2) in vec4 t2;
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layout(location = 3) in vec4 t3;
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layout(location = 4) in vec4 t4;
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layout(location = 5) in vec4 t5;
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layout(location = 6) in vec4 t6;
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layout(location = 0) out vec4 FragColor;
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layout(set = 0, binding = 2) uniform sampler2D Source;
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void main()
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{
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vec3 c11 = texture(Source, vTexCoord).xyz;
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vec3 c00 = texture(Source, t1.xy).xyz;
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vec3 c20 = texture(Source, t1.zw).xyz;
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vec3 c22 = texture(Source, t2.xy).xyz;
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vec3 c02 = texture(Source, t2.zw).xyz;
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vec3 s00 = texture(Source, t3.xy).xyz;
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vec3 s20 = texture(Source, t3.zw).xyz;
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vec3 s22 = texture(Source, t4.xy).xyz;
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vec3 s02 = texture(Source, t4.zw).xyz;
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vec3 c01 = texture(Source, t5.xy).xyz;
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vec3 c21 = texture(Source, t5.zw).xyz;
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vec3 c10 = texture(Source, t6.xy).xyz;
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vec3 c12 = texture(Source, t6.zw).xyz;
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float d1=dot(abs(c00-c22),dt)+0.0001;
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float d2=dot(abs(c20-c02),dt)+0.0001;
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float hl=dot(abs(c01-c21),dt)+0.0001;
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float vl=dot(abs(c10-c12),dt)+0.0001;
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float m1=dot(abs(s00-s22),dt)+0.0001;
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float m2=dot(abs(s02-s20),dt)+0.0001;
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vec3 mn1 = min (min (c00,c01),c02);
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vec3 mn2 = min (min (c10,c11),c12);
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vec3 mn3 = min (min (c20,c21),c22);
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vec3 mx1 = max (max (c00,c01),c02);
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vec3 mx2 = max (max (c10,c11),c12);
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vec3 mx3 = max (max (c20,c21),c22);
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mn1 = min(min(mn1,mn2),mn3);
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mx1 = max(max(mx1,mx2),mx3);
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vec3 t1=(hl*(c10+c12)+vl*(c01+c21)+(hl+vl)*c11)/(3.0*(hl+vl));
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vec3 t2=(d1*(c20+c02)+d2*(c00+c22)+(d1+d2)*c11)/(3.0*(d1+d2));
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c11 = 0.25*(t1+t2+(m2*(s00+s22)+m1*(s02+s20))/(m1+m2));
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vec3 dif1 = abs(c11-mn1) + dtt;
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vec3 dif2 = abs(c11-mx1) + dtt;
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// float filterparam = 2.0;
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float dif = max(length(dif1),length(dif2));
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float filterparam = clamp(2.25*dif,1.0,2.0);
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dif1=vec3(pow(dif1.x,filterparam),pow(dif1.y,filterparam),pow(dif1.z,filterparam));
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dif2=vec3(pow(dif2.x,filterparam),pow(dif2.y,filterparam),pow(dif2.z,filterparam));
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c11 = vec3((dif1.x*mx1.x + dif2.x*mn1.x)/(dif1.x + dif2.x),
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(dif1.y*mx1.y + dif2.y*mn1.y)/(dif1.y + dif2.y),
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(dif1.z*mx1.z + dif2.z*mn1.z)/(dif1.z + dif2.z));
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FragColor = vec4(c11,1.0);
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} |