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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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22
Data/Sys/Shaders/sketchy.glsl Normal file
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@ -0,0 +1,22 @@
uniform sampler2D samp9;
out vec4 ocol0;
in vec2 uv0;
uniform vec4 resolution;
void main()
{
float4 c0 = texture(samp9, uv0).rgba;
float4 tmp = float4(0, 0, 0, 0);
tmp += c0 - texture(samp9, uv0 + float2(2, 2)*resolution.zw).rgba;
tmp += c0 - texture(samp9, uv0 - float2(2, 2)*resolution.zw).rgba;
tmp += c0 - texture(samp9, uv0 + float2(2, -2)*resolution.zw).rgba;
tmp += c0 - texture(samp9, uv0 - float2(2, -2)*resolution.zw).rgba;
float grey = ((0.222 * tmp.r) + (0.707 * tmp.g) + (0.071 * tmp.b));
// get rid of the bottom line, as it is incorrect.
if (uv0.y*resolution.y < 163)
tmp = float4(1.0, 1.0, 1.0, 1.0);
c0 = c0+1-grey*7.0;
ocol0 = float4(c0.r, c0.g, c0.b, 1);
}