smaa: use textureSampleLevel for WebGPU support (#20505)

supdrewin · web-flow · commit f5363c65f6d2 · 2025-08-12T20:03:30.000Z
# Objective - Fixes #14578 ## Solution - Use `textureSampleLevel` instead of `textureSample` (#11893)
diff --git a/crates/bevy_anti_aliasing/src/smaa/smaa.wgsl b/crates/bevy_anti_aliasing/src/smaa/smaa.wgsl
@@ -894,7 +894,7 @@ fn area(dist: vec2<f32>, e1: f32, e2: f32, offset: f32) -> vec2<f32> {
     tex_coord.y += SMAA_AREATEX_SUBTEX_SIZE * offset;
 
     // Do it!
-    return textureSample(area_texture, edges_sampler, tex_coord).rg;
+    return textureSampleLevel(area_texture, edges_sampler, tex_coord, 0.0).rg;
 }
 
 //-----------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -894,7 +894,7 @@ fn area(dist: vec2<f32>, e1: f32, e2: f32, offset: f32) -> vec2<f32> {`
`894`	`894`	`tex_coord.y += SMAA_AREATEX_SUBTEX_SIZE * offset;`
`895`	`895`
`896`	`896`	`// Do it!`
`897`		`- return textureSample(area_texture, edges_sampler, tex_coord).rg;`
	`897`	`+ return textureSampleLevel(area_texture, edges_sampler, tex_coord, 0.0).rg;`
`898`	`898`	`}`
`899`	`899`
`900`	`900`	`//-----------------------------------------------------------------------------`