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Add font LCD sub-pixel anti-aliasing support.

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This commit is contained in:
bruvzg
2022-08-12 14:03:28 +03:00
parent 230225d360
commit bcc3643989
49 changed files with 933 additions and 303 deletions
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8
servers/rendering/renderer_rd/shaders/canvas.glsl
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@@ -509,7 +509,13 @@ void main() {
float a = clamp(d * px_size + 0.5, 0.0, 1.0);
color.a = a * color.a;
}
} else if (bool(draw_data.flags & FLAGS_USE_LCD)) {
vec4 lcd_sample = texture(sampler2D(color_texture, texture_sampler), uv);
if (lcd_sample.a == 1.0) {
color.rgb = lcd_sample.rgb * color.a;
} else {
color = vec4(0.0, 0.0, 0.0, 0.0);
}
} else {
#else
{

1
servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
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@@ -25,6 +25,7 @@
#define FLAGS_DEFAULT_SPECULAR_MAP_USED (1 << 27)
#define FLAGS_USE_MSDF (1 << 28)
#define FLAGS_USE_LCD (1 << 29)
#define SAMPLER_NEAREST_CLAMP 0
#define SAMPLER_LINEAR_CLAMP 1