89 lines
3.1 KiB
INI
89 lines
3.1 KiB
INI
////////////////////////////////////////////////
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//
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// anti-aliasing
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//
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////////////////////////////////////////////////
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lazyshader 0 "tqaaresolve" [
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attribute vec4 vvertex;
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@(screentexcoord 0)
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varying vec2 texcoord0;
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@(? $tqaaresolvegather [
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varying vec2 texcoord1;
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])
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void main(void)
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{
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gl_Position = vvertex;
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texcoord0 = vtexcoord0;
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@(? $tqaaresolvegather [
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texcoord1 = vtexcoord0 - 0.5;
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])
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}
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] [
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@(gfetchdefs tex2)
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uniform vec4 quincunx;
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uniform sampler2DRect tex0, tex1;
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uniform mat4 reprojectmatrix;
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uniform vec2 maxvelocity;
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uniform vec2 colorweight;
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varying vec2 texcoord0;
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@(? $tqaaresolvegather [
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varying vec2 texcoord1;
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])
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fragdata(0) vec4 fragcolor;
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void main(void)
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{
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@(gdepthunpack depth [gfetch(tex2, texcoord0)] [
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vec4 prevtc = reprojectmatrix * vec4(depth*texcoord0, depth, 1.0);
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] [
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vec4 prevtc = reprojectmatrix * vec4(texcoord0, depth, 1.0);
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])
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vec2 vel = prevtc.xy/prevtc.w - texcoord0;
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float scale = clamp(maxvelocity.x*inversesqrt(dot(vel, vel) + 1e-6), 0.0, 1.0);
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float mask = 1.0 - texture2DRect(tex0, texcoord0 + quincunx.xy).a;
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vec4 color = texture2DRect(tex0, texcoord0 + mask*quincunx.xy);
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vec4 prevcolor = texture2DRect(tex1, texcoord0 + mask*(quincunx.zw + vel*scale));
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@(? $tqaaresolvegather [
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vec4 l0 = textureGather(tex0, texcoord1, 1);
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vec4 l1 = textureGatherOffset(tex0, texcoord1, ivec2(1, 1), 1);
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float l2 = texture2DRectOffset(tex0, texcoord0, ivec2(1, -1)).g;
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float l3 = texture2DRectOffset(tex0, texcoord0, ivec2(-1, 1)).g;
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vec4 l01min = min(l0, l1), l01max = max(l0, l1);
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l01min.xy = min(l01min.xy, l01min.zw);
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l01max.xy = max(l01max.xy, l01max.zw);
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float lmin = min(min(l01min.x, l01min.y), min(l2, l3));
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float lmax = max(max(l01max.x, l01max.y), max(l2, l3));
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] [
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float l0 = texture2DRect(tex0, texcoord0 + vec2(-1.0, -0.5)).g;
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float l1 = texture2DRect(tex0, texcoord0 + vec2( 0.5, -1.0)).g;
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float l2 = texture2DRect(tex0, texcoord0 + vec2( 1.0, 0.5)).g;
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float l3 = texture2DRect(tex0, texcoord0 + vec2(-0.5, 1.0)).g;
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float lmin = min(color.g, min(min(l0, l1), min(l2, l3)));
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float lmax = max(color.g, max(max(l0, l1), max(l2, l3)));
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])
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float weight = 0.5 - 0.5*clamp((colorweight.x*max(prevcolor.g - lmax, lmin - prevcolor.g) + colorweight.y) / (lmax - lmin + 1e-4), 0.0, 1.0);
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weight *= clamp(1.0 - 2.0*(prevcolor.a - color.a), 0.0, 1.0);
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fragcolor.rgb = mix(color.rgb, prevcolor.rgb, weight);
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fragcolor.a = color.a;
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}
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]
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smaaopt = [ >= (strstr $smaaopts $arg1) 0 ]
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smaashaders = [
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smaapreset = $arg1
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smaaopts = $arg2
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exec "config/glsl/smaa.cfg"
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]
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fxaaopt = [ >= (strstr $fxaaopts $arg1) 0 ]
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fxaashaders = [
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fxaapreset = $arg1
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fxaaopts = $arg2
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exec "config/glsl/fxaa.cfg"
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]
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