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couple of cleanups on reverse-aa

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hunterk 2018-04-05 15:27:44 -05:00
parent ab353d099a
commit 148477b18a
1 changed files with 4 additions and 12 deletions
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16
anti-aliasing/shaders/reverse-aa.slang
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@ -39,21 +39,15 @@
* *
*/ */
#pragma parameter REVERSEAA_SHARPNESS "ReverseAA Sharpness" 2.0 0.0 10.0 0.01
#ifdef PARAMETER_UNIFORM
uniform float REVERSEAA_SHARPNESS;
#else
#define REVERSEAA_SHARPNESS 2.0
#endif
layout(push_constant) uniform Push layout(push_constant) uniform Push
{ {
vec4 SourceSize; vec4 SourceSize;
vec4 OutputSize; vec4 OutputSize;
float REVERSEAA_SHARPNESS;
} params; } params;
#pragma parameter REVERSEAA_SHARPNESS "ReverseAA Sharpness" 2.0 0.0 10.0 0.01
layout(std140, set = 0, binding = 0) uniform UBO layout(std140, set = 0, binding = 0) uniform UBO
{ {
mat4 MVP; mat4 MVP;
@ -85,15 +79,13 @@ vec3 res2x(vec3 pre2, vec3 pre1, vec3 px, vec3 pos1, vec3 pos2)
mat4x3 df = pos - pre; mat4x3 df = pos - pre;
m = 0.5 - abs(px - 0.5); m = 0.5 - abs(px - 0.5);
m = REVERSEAA_SHARPNESS * min(m, min(abs(df[1]), abs(df[2]))); m = params.REVERSEAA_SHARPNESS * min(m, min(abs(df[1]), abs(df[2])));
t = (7 * (df[1] + df[2]) - 3 * (df[0] + df[3])) / 16; t = (7 * (df[1] + df[2]) - 3 * (df[0] + df[3])) / 16;
t = clamp(t, -m, m); t = clamp(t, -m, m);
return t; return t;
} }
#define P(x,y) texture(Source, coord + params.SourceSize.zw * vec2(x, y)).rgb
void main() void main()
{ {
vec2 pos = fract(vTexCoord * params.SourceSize.xy) - vec2(0.5, 0.5); vec2 pos = fract(vTexCoord * params.SourceSize.xy) - vec2(0.5, 0.5);