| // Copyright 2021 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/spirv/reader/ast_lower/decompose_strided_matrix.h" |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "src/tint/lang/wgsl/ast/disable_validation_attribute.h" |
| #include "src/tint/lang/wgsl/ast/transform/helper_test.h" |
| #include "src/tint/lang/wgsl/ast/transform/simplify_pointers.h" |
| #include "src/tint/lang/wgsl/ast/transform/unshadow.h" |
| #include "src/tint/lang/wgsl/program/clone_context.h" |
| #include "src/tint/lang/wgsl/program/program_builder.h" |
| #include "src/tint/lang/wgsl/resolver/resolve.h" |
| |
| namespace tint::spirv::reader { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using DecomposeStridedMatrixTest = ast::transform::TransformTest; |
| using Unshadow = ast::transform::Unshadow; |
| using SimplifyPointers = ast::transform::SimplifyPointers; |
| |
| TEST_F(DecomposeStridedMatrixTest, ShouldRunEmptyModule) { |
| auto* src = R"()"; |
| |
| EXPECT_FALSE(ShouldRun<DecomposeStridedMatrix>(src)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ShouldRunNonStridedMatrox) { |
| auto* src = R"( |
| var<private> m : mat3x2<f32>; |
| )"; |
| |
| EXPECT_FALSE(ShouldRun<DecomposeStridedMatrix>(src)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, Empty) { |
| auto* src = R"()"; |
| auto* expect = src; |
| |
| auto got = Run<DecomposeStridedMatrix>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix) { |
| // struct S { |
| // @offset(16) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<uniform> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : mat2x2<f32> = s.m; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(16_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a)); |
| b.Func("f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(16) |
| padding_0 : u32, |
| /* @offset(16) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<uniform> s : S; |
| |
| fn arr_to_mat2x2_stride_32(arr : @stride(32) array<vec2<f32>, 2u>) -> mat2x2<f32> { |
| return mat2x2<f32>(arr[0u], arr[1u]); |
| } |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : mat2x2<f32> = arr_to_mat2x2_stride_32(s.m); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadUniformColumn) { |
| // struct S { |
| // @offset(16) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<uniform> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : vec2<f32> = s.m[1]; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(16_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a)); |
| b.Func( |
| "f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.vec2<f32>(), b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(16) |
| padding_0 : u32, |
| /* @offset(16) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<uniform> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : vec2<f32> = s.m[1i]; |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix_DefaultStride) { |
| // struct S { |
| // @offset(16) @stride(8) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<uniform> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : mat2x2<f32> = s.m; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(16_u), |
| b.create<ast::StrideAttribute>(8u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a)); |
| b.Func("f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(16) |
| padding_0 : u32, |
| /* @offset(16u) */ |
| @stride(8) @internal(disable_validation__ignore_stride) |
| m : mat2x2<f32>, |
| } |
| |
| @group(0) @binding(0) var<uniform> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : mat2x2<f32> = s.m; |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadStorageMatrix) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : mat2x2<f32> = s.m; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kStorage, core::Access::kReadWrite, |
| b.Group(0_a), b.Binding(0_a)); |
| b.Func("f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<storage, read_write> s : S; |
| |
| fn arr_to_mat2x2_stride_32(arr : @stride(32) array<vec2<f32>, 2u>) -> mat2x2<f32> { |
| return mat2x2<f32>(arr[0u], arr[1u]); |
| } |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : mat2x2<f32> = arr_to_mat2x2_stride_32(s.m); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadStorageColumn) { |
| // struct S { |
| // @offset(16) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : vec2<f32> = s.m[1]; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(16_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kStorage, core::Access::kReadWrite, |
| b.Group(0_a), b.Binding(0_a)); |
| b.Func( |
| "f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.vec2<f32>(), b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(16) |
| padding_0 : u32, |
| /* @offset(16) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<storage, read_write> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : vec2<f32> = s.m[1i]; |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, WriteStorageMatrix) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // s.m = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0)); |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kStorage, core::Access::kReadWrite, |
| b.Group(0_a), b.Binding(0_a)); |
| b.Func( |
| "f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Assign(b.MemberAccessor("s", "m"), |
| b.Call<mat2x2<f32>>(b.Call<vec2<f32>>(1_f, 2_f), b.Call<vec2<f32>>(3_f, 4_f))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<storage, read_write> s : S; |
| |
| fn mat2x2_stride_32_to_arr(m : mat2x2<f32>) -> @stride(32) array<vec2<f32>, 2u> { |
| return @stride(32) array<vec2<f32>, 2u>(m[0u], m[1u]); |
| } |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| s.m = mat2x2_stride_32_to_arr(mat2x2<f32>(vec2<f32>(1.0f, 2.0f), vec2<f32>(3.0f, 4.0f))); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, WriteStorageColumn) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // s.m[1] = vec2<f32>(1.0, 2.0); |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kStorage, core::Access::kReadWrite, |
| b.Group(0_a), b.Binding(0_a)); |
| b.Func( |
| "f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Assign(b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i), b.Call<vec2<f32>>(1_f, 2_f)), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<storage, read_write> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| s.m[1i] = vec2<f32>(1.0f, 2.0f); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadWriteViaPointerLets) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let a = &s.m; |
| // let b = &*&*(a); |
| // let x = *b; |
| // let y = (*b)[1]; |
| // let z = x[1]; |
| // (*b) = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0)); |
| // (*b)[1] = vec2<f32>(5.0, 6.0); |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kStorage, core::Access::kReadWrite, |
| b.Group(0_a), b.Binding(0_a)); |
| b.Func("f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("a", b.AddressOf(b.MemberAccessor("s", "m")))), |
| b.Decl(b.Let("b", b.AddressOf(b.Deref(b.AddressOf(b.Deref("a")))))), |
| b.Decl(b.Let("x", b.Deref("b"))), |
| b.Decl(b.Let("y", b.IndexAccessor(b.Deref("b"), 1_i))), |
| b.Decl(b.Let("z", b.IndexAccessor("x", 1_i))), |
| b.Assign(b.Deref("b"), b.Call<mat2x2<f32>>(b.Call<vec2<f32>>(1_f, 2_f), |
| b.Call<vec2<f32>>(3_f, 4_f))), |
| b.Assign(b.IndexAccessor(b.Deref("b"), 1_i), b.Call<vec2<f32>>(5_f, 6_f)), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8) */ |
| m : @stride(32) array<vec2<f32>, 2u>, |
| } |
| |
| @group(0) @binding(0) var<storage, read_write> s : S; |
| |
| fn arr_to_mat2x2_stride_32(arr : @stride(32) array<vec2<f32>, 2u>) -> mat2x2<f32> { |
| return mat2x2<f32>(arr[0u], arr[1u]); |
| } |
| |
| fn mat2x2_stride_32_to_arr(m : mat2x2<f32>) -> @stride(32) array<vec2<f32>, 2u> { |
| return @stride(32) array<vec2<f32>, 2u>(m[0u], m[1u]); |
| } |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x = arr_to_mat2x2_stride_32(s.m); |
| let y = s.m[1i]; |
| let z = x[1i]; |
| s.m = mat2x2_stride_32_to_arr(mat2x2<f32>(vec2<f32>(1.0f, 2.0f), vec2<f32>(3.0f, 4.0f))); |
| s.m[1i] = vec2<f32>(5.0f, 6.0f); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, ReadPrivateMatrix) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // var<private> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // let x : mat2x2<f32> = s.m; |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kPrivate); |
| b.Func("f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8u) */ |
| @stride(32) @internal(disable_validation__ignore_stride) |
| m : mat2x2<f32>, |
| } |
| |
| var<private> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| let x : mat2x2<f32> = s.m; |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(DecomposeStridedMatrixTest, WritePrivateMatrix) { |
| // struct S { |
| // @offset(8) @stride(32) |
| // @internal(ignore_stride_attribute) |
| // m : mat2x2<f32>, |
| // }; |
| // var<private> s : S; |
| // |
| // @compute @workgroup_size(1) |
| // fn f() { |
| // s.m = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0)); |
| // } |
| ProgramBuilder b; |
| auto* S = b.Structure( |
| "S", Vector{ |
| b.Member("m", b.ty.mat2x2<f32>(), |
| Vector{ |
| b.MemberOffset(8_u), |
| b.create<ast::StrideAttribute>(32u), |
| b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute), |
| }), |
| }); |
| b.GlobalVar("s", b.ty.Of(S), core::AddressSpace::kPrivate); |
| b.Func( |
| "f", tint::Empty, b.ty.void_(), |
| Vector{ |
| b.Assign(b.MemberAccessor("s", "m"), |
| b.Call<mat2x2<f32>>(b.Call<vec2<f32>>(1_f, 2_f), b.Call<vec2<f32>>(3_f, 4_f))), |
| }, |
| Vector{ |
| b.Stage(ast::PipelineStage::kCompute), |
| b.WorkgroupSize(1_i), |
| }); |
| |
| auto* expect = R"( |
| struct S { |
| @size(8) |
| padding_0 : u32, |
| /* @offset(8u) */ |
| @stride(32) @internal(disable_validation__ignore_stride) |
| m : mat2x2<f32>, |
| } |
| |
| var<private> s : S; |
| |
| @compute @workgroup_size(1i) |
| fn f() { |
| s.m = mat2x2<f32>(vec2<f32>(1.0f, 2.0f), vec2<f32>(3.0f, 4.0f)); |
| } |
| )"; |
| |
| auto got = Run<Unshadow, SimplifyPointers, DecomposeStridedMatrix>(resolver::Resolve(b)); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| } // namespace |
| } // namespace tint::spirv::reader |
