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optimize sabr-hybrid-deposterize for 25 percent better performance

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hunterk 2017-03-29 10:12:05 -05:00
parent 8d169b3c19
commit 8f07c63b0c
1 changed files with 12 additions and 7 deletions
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17
sabr/shaders/sabr-hybrid-deposterize.slang
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@ -227,8 +227,7 @@ layout(location = 7) in vec4 xyp_21_22_23;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
void main()
{
vec4 Sharp(sampler2D tex, vec2 tc, vec4 xyp_1_2_3, vec4 xyp_5_10_15, vec4 xyp_6_7_8, vec4 xyp_9_14_9, vec4 xyp_11_12_13, vec4 xyp_16_17_18, vec4 xyp_21_22_23){
/*
Mask for algorhithm
+-----+-----+-----+-----+-----+
@ -353,9 +352,10 @@ color
res2 = mix(res2, mix(P7, P13, px.y), mac.y);
res2 = mix(res2, mix(P13, P17, px.x), mac.x);
vec4 Sharp = vec4(mix(res1, res2, step(c_df(P12, res1), c_df(P12, res2))), 1.0);
return vec4(mix(res1, res2, step(c_df(P12, res1), c_df(P12, res2))), 1.0);
}
vec4 Smooth(sampler2D tex, vec2 tc){
// single-pass gaussian blur from mrharicot https://www.shadertoy.com/view/XdfGDH
//declare stuff
const int mSize = 7;
@ -387,9 +387,14 @@ color
}
}
vec4 Smooth = vec4(final_colour/(Z*Z), 1.0);
return vec4(final_colour/(Z*Z), 1.0);
}
void main()
{
float test = IsEdge(Source, tc);
vec4 hybrid = mix(Smooth, Sharp, test);
vec4 hybrid = vec4(0.0);
hybrid = (test < 0.5) ? Smooth(Source, tc) : Sharp(Source, tc, xyp_1_2_3, xyp_5_10_15, xyp_6_7_8, xyp_9_14_9, xyp_11_12_13, xyp_16_17_18, xyp_21_22_23);
// vec4 hybrid = mix(Smooth, Sharp, test);
FragColor = hybrid;
}