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Use Fused-Multiply-Add (#246)

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This reverts commit 598cf6c1ba.
This commit is contained in:
Jay Oster 2021-12-31 15:40:12 -08:00 committed by GitHub
parent c1962ae35c
commit d3dbc8b4f2
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 2 additions and 2 deletions
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2
examples/custom-shader/shaders/noise.wgsl
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@ -10,7 +10,7 @@ fn vs_main(
[[location(0)]] position: vec2<f32>, [[location(0)]] position: vec2<f32>,
) -> VertexOutput { ) -> VertexOutput {
var out: VertexOutput; var out: VertexOutput;
out.tex_coord = position * vec2<f32>(0.5, -0.5) + 0.5; out.tex_coord = fma(position, vec2<f32>(0.5, -0.5), vec2<f32>(0.5, 0.5));
out.position = vec4<f32>(position, 0.0, 1.0); out.position = vec4<f32>(position, 0.0, 1.0);
return out; return out;
} }

2
shaders/scale.wgsl
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@ -15,7 +15,7 @@ fn vs_main(
[[location(0)]] position: vec2<f32>, [[location(0)]] position: vec2<f32>,
) -> VertexOutput { ) -> VertexOutput {
var out: VertexOutput; var out: VertexOutput;
out.tex_coord = position * vec2<f32>(0.5, -0.5) + 0.5; out.tex_coord = fma(position, vec2<f32>(0.5, -0.5), vec2<f32>(0.5, 0.5));
out.position = r_locals.transform * vec4<f32>(position, 0.0, 1.0); out.position = r_locals.transform * vec4<f32>(position, 0.0, 1.0);
return out; return out;
} }