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Overlay the user Shaders/ over the shared one to avoid copying files

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Pierre Bourdon
2013-09-12 02:40:17 +02:00
parent 6bdb6585d6
commit e7213ca4b1
46 changed files with 41 additions and 23 deletions
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56
Data/Sys/Shaders/nightvision2.glsl Normal file
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@ -0,0 +1,56 @@
uniform sampler2D samp9;
out vec4 ocol0;
in vec2 uv0;
uniform vec4 resolution;
void main()
{
//variables
int internalresolution = 1278;
float4 c0 = texture(samp9, uv0).rgba;
//blur
float4 blurtotal = float4(0, 0, 0, 0);
float blursize = 1.5;
blurtotal += texture(samp9, uv0 + float2(-blursize, -blursize)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2(-blursize, blursize)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2( blursize, -blursize)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2( blursize, blursize)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2(-blursize, 0)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2( blursize, 0)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2( 0, -blursize)*resolution.zw);
blurtotal += texture(samp9, uv0 + float2( 0, blursize)*resolution.zw);
blurtotal *= 0.125;
c0 = blurtotal;
//greyscale
float grey = ((0.3 * c0.r) + (0.4 * c0.g) + (0.3 * c0.b));
// brighten
grey = grey * 0.5 + 0.7;
// darken edges
float x = uv0.x * resolution.x;
float y = uv0.y * resolution.y;
if (x > internalresolution/2) x = internalresolution-x;
if (y > internalresolution/2) y = internalresolution-y;
if (x > internalresolution/2*0.95) x = internalresolution/2*0.95;
if (y > internalresolution/2*0.95) y = internalresolution/2*0.95;
x = -x+641;
y = -y+641;
/*****inline square root routines*****/
// bit of a performance bottleneck.
// neccessary to make the darkened area rounded
// instead of rhombus-shaped.
float sqrt=x/10;
while((sqrt*sqrt) < x) sqrt+=0.1;
x = sqrt;
sqrt=y/10;
while((sqrt*sqrt) < y) sqrt+=0.1;
y = sqrt;
/*****end of inline square root routines*****/
x *= 2;
y *= 2;
grey -= x/200;
grey -= y/200;
// output
ocol0 = float4(0, grey, 0, 1.0);
}