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examples/gkurve: moved vertex uniform data to vertex buffer and added view (#277)

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PiergiorgioZagaria 2022-05-15 19:34:09 +02:00 • committed by GitHub
parent 34e019a212
commit 2df0bc2786
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3 changed files with 42 additions and 32 deletions
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8
examples/gkurve/frag.wgsl
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@ -2,12 +2,12 @@ struct FragUniform {
type_: u32,
padding: vec3<f32>,
}
@binding(1) @group(0) var<uniform> ubos: array<FragUniform, 3>;
@binding(1) @group(0) var<storage> ubos: array<FragUniform>;
@stage(fragment) fn main(
@location(0) uv: vec2<f32>,
@location(1) bary: vec3<f32>,
@interpolate(flat) @location(2) instance_index: u32,
@interpolate(flat) @location(2) triangle_index: u32,
) -> @location(0) vec4<f32> {
// Example 1: Visualize barycentric coordinates:
// return vec4<f32>(bary.x, bary.y, bary.z, 1.0);
@ -17,10 +17,10 @@ struct FragUniform {
// Example 2: Render gkurves
var inversion = -1.0;
if(ubos[instance_index].type_ == 1u) {
if(ubos[triangle_index].type_ == 1u) {
// Solid triangle
return vec4<f32>(0.0, 1.0, 0.0, 1.0);
} else if(ubos[instance_index].type_ == 2u) {
} else if(ubos[triangle_index].type_ == 2u) {
// Concave (inverted quadratic bezier curve)
inversion = -1.0;
} else {