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examples: add instanced-cube example (#246)

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add example based on webgpu-samples' instancedCube sample.

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
Co-authored-by: Stephen Gutekanst <stephen@hexops.com>
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Johan Forsberg 2022-04-21 08:00:02 +02:00 • committed by GitHub
parent 8f7a20d2e6
commit 3b86aa08cc
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18
examples/instanced-cube/vert.wgsl Normal file
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@binding(0) @group(0) var<uniform> ubos : array<mat4x4<f32>, 16>;
struct VertexOutput {
@builtin(position) position_clip : vec4<f32>;
@location(0) fragUV : vec2<f32>;
@location(1) fragPosition: vec4<f32>;
};
@stage(vertex)
fn main(@builtin(instance_index) instanceIdx : u32,
@location(0) position : vec4<f32>,
@location(1) uv : vec2<f32>) -> VertexOutput {
var output : VertexOutput;
output.position_clip = ubos[instanceIdx] * position;
output.fragUV = uv;
output.fragPosition = 0.5 * (position + vec4<f32>(1.0, 1.0, 1.0, 1.0));
return output;
}