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Code Releases Wiki Activity

Use MSDF instead of MTSDF for font rendering.

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Co-authored-by: K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>
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Pāvels Nadtočajevs
2025-08-08 20:56:15 +03:00
parent 80a219a58a
commit 86e61a311f
5 changed files with 42 additions and 25 deletions
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11
servers/rendering/renderer_rd/shaders/canvas.glsl
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@@ -462,8 +462,8 @@ void light_blend_compute(uint light_base, vec4 light_color, inout vec3 color) {
}
}
float msdf_median(float r, float g, float b, float a) {
return min(max(min(r, g), min(max(r, g), b)), a);
float msdf_median(float r, float g, float b) {
return max(min(r, g), min(max(r, g), b));
}
void main() {
@@ -513,14 +513,15 @@ void main() {
vec2 msdf_size = vec2(textureSize(sampler2D(color_texture, texture_sampler), 0));
vec2 dest_size = vec2(1.0) / fwidth(uv);
float px_size = max(0.5 * dot((vec2(px_range) / msdf_size), dest_size), 1.0);
float d = msdf_median(msdf_sample.r, msdf_sample.g, msdf_sample.b, msdf_sample.a) - 0.5;
float d = msdf_median(msdf_sample.r, msdf_sample.g, msdf_sample.b);
if (outline_thickness > 0) {
float cr = clamp(outline_thickness, 0.0, px_range / 2) / px_range;
float a = clamp((d + cr) * px_size, 0.0, 1.0);
d = min(d, msdf_sample.a);
float a = clamp((d - 0.5 + cr) * px_size + 0.5, 0.0, 1.0);
color.a = a * color.a;
} else {
float a = clamp(d * px_size + 0.5, 0.0, 1.0);
float a = clamp((d - 0.5) * px_size + 0.5, 0.0, 1.0);
color.a = a * color.a;
}
} else if (bool(draw_data.flags & INSTANCE_FLAGS_USE_LCD)) {