wgpu/naga/tests/in/bounds-check-restrict.wgsl
Jim Blandy 7283185305 [naga] Extend snapshot tests for bounds checks.
Extend the snapshot tests for bounds checking to cover the case where
a runtime-sized array is indexed by a constant.
2024-10-08 11:53:15 -07:00

81 lines
1.4 KiB
WebGPU Shading Language

// Tests for `naga::back::BoundsCheckPolicy::Restrict`.
struct Globals {
a: array<f32, 10>,
v: vec4<f32>,
m: mat3x4<f32>,
d: array<f32>,
}
@group(0) @binding(0) var<storage, read_write> globals: Globals;
fn index_array(i: i32) -> f32 {
return globals.a[i];
}
fn index_dynamic_array(i: i32) -> f32 {
return globals.d[i];
}
fn index_vector(i: i32) -> f32 {
return globals.v[i];
}
fn index_vector_by_value(v: vec4<f32>, i: i32) -> f32 {
return v[i];
}
fn index_matrix(i: i32) -> vec4<f32> {
return globals.m[i];
}
fn index_twice(i: i32, j: i32) -> f32 {
return globals.m[i][j];
}
fn index_expensive(i: i32) -> f32 {
return globals.a[i32(sin(f32(i) / 100.0) * 100.0)];
}
fn index_in_bounds() -> f32 {
return globals.a[9] + globals.v[3] + globals.m[2][3];
}
fn set_array(i: i32, v: f32) {
globals.a[i] = v;
}
fn set_dynamic_array(i: i32, v: f32) {
globals.d[i] = v;
}
fn set_vector(i: i32, v: f32) {
globals.v[i] = v;
}
fn set_matrix(i: i32, v: vec4<f32>) {
globals.m[i] = v;
}
fn set_index_twice(i: i32, j: i32, v: f32) {
globals.m[i][j] = v;
}
fn set_expensive(i: i32, v: f32) {
globals.a[i32(sin(f32(i) / 100.0) * 100.0)] = v;
}
fn set_in_bounds(v: f32) {
globals.a[9] = v;
globals.v[3] = v;
globals.m[2][3] = v;
}
fn index_dynamic_array_constant_index() -> f32 {
return globals.d[1000];
}
fn set_dynamic_array_constant_index(v: f32) {
globals.d[1000] = v;
}