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[test] Add external texture GPU tests

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These tests cover the external texture binding resource. They ensure
the WGSL functions `textureDimensions()`, `textureLoad()`, and
`textureSampleBaseClampToEdge()` work as expected for both
`TextureView`s and `ExternalTexture`s bound to external texture
resource bindings.

For external textures, they ensure multiplanar YUV formats work as
expected including handling color space transformation. And that the
provided sample and load transforms correctly handle cropping,
flipping, and rotation.
This commit is contained in:
Jamie Nicol 2025-06-19 17:22:24 +01:00 committed by Teodor Tanasoaia
parent bd85c9a99a
commit 1bf1671ed8
5 changed files with 1159 additions and 0 deletions
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10
tests/tests/wgpu-gpu/external_texture/dimensions.wgsl Normal file
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@ -0,0 +1,10 @@
@group(0) @binding(0)
var tex: texture_external;
@group(0) @binding(1)
var<storage, read_write> output: vec2<u32>;
@compute @workgroup_size(1)
fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
output = textureDimensions(tex);
}

12
tests/tests/wgpu-gpu/external_texture/load.wgsl Normal file
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@ -0,0 +1,12 @@
@group(0) @binding(0)
var tex: texture_external;
@group(0) @binding(1)
var<storage, read> coords: array<vec2<u32>>;
@group(0) @binding(2)
var<storage, read_write> output: array<vec4<f32>>;
@compute @workgroup_size(1)
fn main(@builtin(global_invocation_id) id: vec3<u32>) {
output[id.x] = textureLoad(tex, coords[id.x]);
}

1121
tests/tests/wgpu-gpu/external_texture/mod.rs Normal file
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File diff suppressed because it is too large Load Diff

14
tests/tests/wgpu-gpu/external_texture/sample.wgsl Normal file
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@ -0,0 +1,14 @@
@group(0) @binding(0)
var tex: texture_external;
@group(0) @binding(1)
var samp: sampler;
@group(0) @binding(2)
var<storage, read> coords: array<vec2<f32>>;
@group(0) @binding(3)
var<storage, read_write> output: array<vec4<f32>>;
@compute @workgroup_size(1)
fn main(@builtin(global_invocation_id) id: vec3<u32>) {
output[id.x] = textureSampleBaseClampToEdge(tex, samp, coords[id.x]);
}

2
tests/tests/wgpu-gpu/main.rs
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@ -29,6 +29,7 @@ mod draw_indirect;
mod dual_source_blending;
mod encoder;
mod external_image_copy;
mod external_texture;
mod float32_filterable;
mod image_atomics;
mod instance;
@ -88,6 +89,7 @@ fn all_tests() -> Vec<wgpu_test::GpuTestInitializer> {
draw_indirect::all_tests(&mut tests);
dual_source_blending::all_tests(&mut tests);
encoder::all_tests(&mut tests);
external_texture::all_tests(&mut tests);
float32_filterable::all_tests(&mut tests);
image_atomics::all_tests(&mut tests);
instance::all_tests(&mut tests);