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GP: Improve z-depth for Blur FX

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Instead to get an average value, use the lower value.

Still some issues when render.
This commit is contained in:
Antonioya
2018-12-18 22:54:53 +01:00
parent 5b277d7a18
commit 0d7fe55d0e
1 changed files with 10 additions and 14 deletions
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24
source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_blur_frag.glsl
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@@ -45,20 +45,16 @@ void main()
/* apply blurring, using a 9-tap filter with predefined gaussian weights */
/* depth (get the value of the surrounding pixels) */
float outdepth = 0.0;
outdepth += get_zdepth(ivec2(uv.x - 1.0 * dx, uv.y + 1.0 * dy)) * 0.0947416;
outdepth += get_zdepth(ivec2(uv.x - 0.0 * dx, uv.y + 1.0 * dy)) * 0.118318;
outdepth += get_zdepth(ivec2(uv.x + 1.0 * dx, uv.y + 1.0 * dy)) * 0.0947416;
outdepth += get_zdepth(ivec2(uv.x - 1.0 * dx, uv.y + 0.0 * dy)) * 0.118318;
outdepth += get_zdepth(ivec2(uv.x, uv.y)) * 0.147761;
outdepth += get_zdepth(ivec2(uv.x + 1.0 * dx, uv.y + 0.0 * dy)) * 0.118318;
outdepth += get_zdepth(ivec2(uv.x - 1.0 * dx, uv.y - 1.0 * dy)) * 0.0947416;
outdepth += get_zdepth(ivec2(uv.x + 0.0 * dx, uv.y - 1.0 * dy)) * 0.118318;
outdepth += get_zdepth(ivec2(uv.x + 1.0 * dx, uv.y - 1.0 * dy)) * 0.0947416;
float outdepth = get_zdepth(ivec2(uv.x, uv.y));
for (int x = -1; x < 2; x++) {
for (int y = -1; y < 2; y++) {
float depth = get_zdepth(ivec2(uv.x + x * dx, uv.y + y * dy));
if (depth < outdepth) {
outdepth = depth;
break;
}
}
}
gl_FragDepth = outdepth;
/* color */