alex/vello
1
0
Fork 0
mirror of https://github.com/italicsjenga/vello.git synced 2025-01-23 18:06:34 +11:00
Code Issues Projects Releases Packages Wiki Activity

predicate image loads on non-zero mask

Browse source
This commit is contained in:
Chad Brokaw 2023-03-15 08:37:00 -04:00
parent 923c949e95
commit a6307a2520
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
shader/fine.wgsl
View file

@ -294,7 +294,7 @@ fn main(
let my_xy = vec2(xy.x + f32(i), xy.y); let my_xy = vec2(xy.x + f32(i), xy.y);
let atlas_uv = image.matrx.xy * my_xy.x + image.matrx.zw * my_xy.y + image.xlat + image.atlas_offset; let atlas_uv = image.matrx.xy * my_xy.x + image.matrx.zw * my_xy.y + image.xlat + image.atlas_offset;
// This currently clips to the image bounds. TODO: extend modes // This currently clips to the image bounds. TODO: extend modes
if all(atlas_uv < atlas_extents) { if all(atlas_uv < atlas_extents) && area[i] != 0.0 {
let uv_quad = vec4(max(floor(atlas_uv), image.atlas_offset), min(ceil(atlas_uv), atlas_extents)); let uv_quad = vec4(max(floor(atlas_uv), image.atlas_offset), min(ceil(atlas_uv), atlas_extents));
let uv_frac = fract(atlas_uv); let uv_frac = fract(atlas_uv);
let a = premul_alpha(textureLoad(image_atlas, vec2<i32>(uv_quad.xy), 0)); let a = premul_alpha(textureLoad(image_atlas, vec2<i32>(uv_quad.xy), 0));