diff options
Diffstat (limited to 'dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/textureSampleCompare.spec.ts')
-rw-r--r-- | dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/textureSampleCompare.spec.ts | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/textureSampleCompare.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/textureSampleCompare.spec.ts new file mode 100644 index 0000000000..9f723fac2e --- /dev/null +++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/textureSampleCompare.spec.ts @@ -0,0 +1,145 @@ +export const description = ` +Samples a depth texture and compares the sampled depth values against a reference value. + +Must only be used in a fragment shader stage. +Must only be invoked in uniform control flow. +`; + +import { makeTestGroup } from '../../../../../../common/framework/test_group.js'; +import { GPUTest } from '../../../../../gpu_test.js'; + +import { generateCoordBoundaries, generateOffsets } from './utils.js'; + +export const g = makeTestGroup(GPUTest); + +g.test('stage') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +Tests that 'textureSampleCompare' can only be called in 'fragment' shaders. +` + ) + .params(u => u.combine('stage', ['fragment', 'vertex', 'compute'] as const)) + .unimplemented(); + +g.test('control_flow') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +Tests that 'textureSampleCompare' can only be called in uniform control flow. +` + ) + .params(u => u.combine('stage', ['fragment', 'vertex', 'compute'] as const)) + .unimplemented(); + +g.test('2d_coords') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +fn textureSampleCompare(t: texture_depth_2d, s: sampler_comparison, coords: vec2<f32>, depth_ref: f32) -> f32 +fn textureSampleCompare(t: texture_depth_2d, s: sampler_comparison, coords: vec2<f32>, depth_ref: f32, offset: vec2<i32>) -> f32 + +Parameters: + * t The depth texture to sample. + * s The sampler_comparision type. + * coords The texture coordinates used for sampling. + * depth_ref The reference value to compare the sampled depth value against. + * offset + * The optional texel offset applied to the unnormalized texture coordinate before sampling the texture. + * This offset is applied before applying any texture wrapping modes. + * The offset expression must be a creation-time expression (e.g. vec2<i32>(1, 2)). + * Each offset component must be at least -8 and at most 7. + Values outside of this range will result in a shader-creation error. +` + ) + .paramsSubcasesOnly(u => + u + .combine('S', ['clamp-to-edge', 'repeat', 'mirror-repeat']) + .combine('coords', generateCoordBoundaries(2)) + .combine('depth_ref', [-1 /* smaller ref */, 0 /* equal ref */, 1 /* larger ref */] as const) + .combine('offset', generateOffsets(2)) + ) + .unimplemented(); + +g.test('3d_coords') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +fn textureSampleCompare(t: texture_depth_cube, s: sampler_comparison, coords: vec3<f32>, depth_ref: f32) -> f32 + +Parameters: + * t The depth texture to sample. + * s The sampler_comparision type. + * coords The texture coordinates used for sampling. + * depth_ref The reference value to compare the sampled depth value against. +` + ) + .paramsSubcasesOnly(u => + u + .combine('S', ['clamp-to-edge', 'repeat', 'mirror-repeat']) + .combine('coords', generateCoordBoundaries(3)) + .combine('depth_ref', [-1 /* smaller ref */, 0 /* equal ref */, 1 /* larger ref */] as const) + ) + .unimplemented(); + +g.test('arrayed_2d_coords') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +C is i32 or u32 + +fn textureSampleCompare(t: texture_depth_2d_array, s: sampler_comparison, coords: vec2<f32>, array_index: C, depth_ref: f32) -> f32 +fn textureSampleCompare(t: texture_depth_2d_array, s: sampler_comparison, coords: vec2<f32>, array_index: C, depth_ref: f32, offset: vec2<i32>) -> f32 + +Parameters: + * t The depth texture to sample. + * s The sampler_comparision type. + * coords The texture coordinates used for sampling. + * array_index: The 0-based texture array index to sample. + * depth_ref The reference value to compare the sampled depth value against. + * offset + * The optional texel offset applied to the unnormalized texture coordinate before sampling the texture. + * This offset is applied before applying any texture wrapping modes. + * The offset expression must be a creation-time expression (e.g. vec2<i32>(1, 2)). + * Each offset component must be at least -8 and at most 7. + Values outside of this range will result in a shader-creation error. +` + ) + .paramsSubcasesOnly(u => + u + .combine('S', ['clamp-to-edge', 'repeat', 'mirror-repeat']) + .combine('coords', generateCoordBoundaries(2)) + .combine('C', ['i32', 'u32'] as const) + .combine('C_value', [-1, 0, 1, 2, 3, 4] as const) + /* array_index not param'd as out-of-bounds is implementation specific */ + .combine('depth_ref', [-1 /* smaller ref */, 0 /* equal ref */, 1 /* larger ref */] as const) + .combine('offset', generateOffsets(2)) + ) + .unimplemented(); + +g.test('arrayed_3d_coords') + .specURL('https://www.w3.org/TR/WGSL/#texturesamplecompare') + .desc( + ` +C is i32 or u32 + +fn textureSampleCompare(t: texture_depth_cube_array, s: sampler_comparison, coords: vec3<f32>, array_index: C, depth_ref: f32) -> f32 + +Parameters: + * t The depth texture to sample. + * s The sampler_comparision type. + * coords The texture coordinates used for sampling. + * array_index: The 0-based texture array index to sample. + * depth_ref The reference value to compare the sampled depth value against. +` + ) + .paramsSubcasesOnly(u => + u + .combine('S', ['clamp-to-edge', 'repeat', 'mirror-repeat']) + .combine('coords', generateCoordBoundaries(3)) + .combine('C', ['i32', 'u32'] as const) + .combine('C_value', [-1, 0, 1, 2, 3, 4] as const) + /* array_index not param'd as out-of-bounds is implementation specific */ + .combine('depth_ref', [-1 /* smaller ref */, 0 /* equal ref */, 1 /* larger ref */] as const) + ) + .unimplemented(); |