| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/transform/spirv.h" |
| |
| #include "src/transform/test_helper.h" |
| |
| namespace tint { |
| namespace transform { |
| namespace { |
| |
| using SpirvTest = TransformTest; |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_Parameters) { |
| auto* src = R"( |
| [[stage(fragment)]] |
| fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>, |
| [[location(1)]] loc1 : f32) -> void { |
| var col : f32 = (coord.x * loc1); |
| } |
| |
| [[stage(compute)]] |
| fn compute_main([[builtin(local_invocation_id)]] local_id : vec3<u32>, |
| [[builtin(local_invocation_index)]] local_index : u32) -> void { |
| var id_x : u32 = local_id.x; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(frag_coord)]] var<in> tint_symbol_1 : vec4<f32>; |
| |
| [[location(1)]] var<in> tint_symbol_2 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| var col : f32 = (tint_symbol_1.x * tint_symbol_2); |
| } |
| |
| [[builtin(local_invocation_id)]] var<in> tint_symbol_6 : vec3<u32>; |
| |
| [[builtin(local_invocation_index)]] var<in> tint_symbol_7 : u32; |
| |
| [[stage(compute)]] |
| fn compute_main() -> void { |
| var id_x : u32 = tint_symbol_6.x; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_Parameter_TypeAlias) { |
| auto* src = R"( |
| type myf32 = f32; |
| |
| [[stage(fragment)]] |
| fn frag_main([[location(1)]] loc1 : myf32) -> void { |
| } |
| )"; |
| |
| auto* expect = R"( |
| type myf32 = f32; |
| |
| [[location(1)]] var<in> tint_symbol_1 : myf32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_ReturnBuiltin) { |
| auto* src = R"( |
| [[stage(vertex)]] |
| fn vert_main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(1.0, 2.0, 3.0, 0.0); |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(position)]] var<out> tint_symbol_2 : vec4<f32>; |
| |
| fn tint_symbol_3(tint_symbol_1 : vec4<f32>) -> void { |
| tint_symbol_2 = tint_symbol_1; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| tint_symbol_3(vec4<f32>(1.0, 2.0, 3.0, 0.0)); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_ReturnLocation) { |
| auto* src = R"( |
| [[stage(fragment)]] |
| fn frag_main([[location(0)]] loc_in : u32) -> [[location(0)]] f32 { |
| if (loc_in > 10u) { |
| return 0.5; |
| } |
| return 1.0; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[location(0)]] var<in> tint_symbol_1 : u32; |
| |
| [[location(0)]] var<out> tint_symbol_3 : f32; |
| |
| fn tint_symbol_4(tint_symbol_2 : f32) -> void { |
| tint_symbol_3 = tint_symbol_2; |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| if ((tint_symbol_1 > 10u)) { |
| tint_symbol_4(0.5); |
| return; |
| } |
| tint_symbol_4(1.0); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_ReturnLocation_TypeAlias) { |
| auto* src = R"( |
| type myf32 = f32; |
| |
| [[stage(fragment)]] |
| fn frag_main([[location(0)]] loc_in : u32) -> [[location(0)]] myf32 { |
| if (loc_in > 10u) { |
| return 0.5; |
| } |
| return 1.0; |
| } |
| )"; |
| |
| auto* expect = R"( |
| type myf32 = f32; |
| |
| [[location(0)]] var<in> tint_symbol_1 : u32; |
| |
| [[location(0)]] var<out> tint_symbol_3 : myf32; |
| |
| fn tint_symbol_5(tint_symbol_2 : myf32) -> void { |
| tint_symbol_3 = tint_symbol_2; |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| if ((tint_symbol_1 > 10u)) { |
| tint_symbol_5(0.5); |
| return; |
| } |
| tint_symbol_5(1.0); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_StructParameters) { |
| auto* src = R"( |
| struct FragmentInput { |
| [[builtin(frag_coord)]] coord : vec4<f32>; |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : FragmentInput) -> void { |
| var col : f32 = inputs.coord.x * inputs.value; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct FragmentInput { |
| coord : vec4<f32>; |
| value : f32; |
| }; |
| |
| [[builtin(frag_coord)]] var<in> tint_symbol_4 : vec4<f32>; |
| |
| [[location(1)]] var<in> tint_symbol_5 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| const tint_symbol_6 : FragmentInput = FragmentInput(tint_symbol_4, tint_symbol_5); |
| var col : f32 = (tint_symbol_6.coord.x * tint_symbol_6.value); |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_StructParameters_Nested) { |
| auto* src = R"( |
| struct Builtins { |
| [[builtin(frag_coord)]] coord : vec4<f32>; |
| }; |
| |
| struct Locations { |
| [[location(2)]] l2 : f32; |
| [[location(3)]] l3 : f32; |
| }; |
| |
| struct Other { |
| l : Locations; |
| }; |
| |
| struct FragmentInput { |
| b : Builtins; |
| o : Other; |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : FragmentInput) -> void { |
| var col : f32 = inputs.b.coord.x * inputs.value; |
| var l : f32 = inputs.o.l.l2 + inputs.o.l.l3; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Builtins { |
| coord : vec4<f32>; |
| }; |
| |
| struct Locations { |
| l2 : f32; |
| l3 : f32; |
| }; |
| |
| struct Other { |
| l : Locations; |
| }; |
| |
| struct FragmentInput { |
| b : Builtins; |
| o : Other; |
| value : f32; |
| }; |
| |
| [[builtin(frag_coord)]] var<in> tint_symbol_12 : vec4<f32>; |
| |
| [[location(2)]] var<in> tint_symbol_14 : f32; |
| |
| [[location(3)]] var<in> tint_symbol_15 : f32; |
| |
| [[location(1)]] var<in> tint_symbol_18 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| const tint_symbol_13 : Builtins = Builtins(tint_symbol_12); |
| const tint_symbol_16 : Locations = Locations(tint_symbol_14, tint_symbol_15); |
| const tint_symbol_17 : Other = Other(tint_symbol_16); |
| const tint_symbol_19 : FragmentInput = FragmentInput(tint_symbol_13, tint_symbol_17, tint_symbol_18); |
| var col : f32 = (tint_symbol_19.b.coord.x * tint_symbol_19.value); |
| var l : f32 = (tint_symbol_19.o.l.l2 + tint_symbol_19.o.l.l3); |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_StructParameters_EmptyBody) { |
| auto* src = R"( |
| struct Locations { |
| [[location(1)]] value : f32; |
| }; |
| |
| struct FragmentInput { |
| locations : Locations; |
| }; |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : FragmentInput) -> void { |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Locations { |
| value : f32; |
| }; |
| |
| struct FragmentInput { |
| locations : Locations; |
| }; |
| |
| [[location(1)]] var<in> tint_symbol_5 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_ReturnStruct) { |
| auto* src = R"( |
| struct VertexOutput { |
| [[builtin(position)]] pos : vec4<f32>; |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(vertex)]] |
| fn vert_main() -> VertexOutput { |
| if (false) { |
| return VertexOutput(); |
| } |
| var pos : vec4<f32> = vec4<f32>(1.0, 2.0, 3.0, 0.0); |
| return VertexOutput(pos, 2.0); |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct VertexOutput { |
| pos : vec4<f32>; |
| value : f32; |
| }; |
| |
| [[builtin(position)]] var<out> tint_symbol_5 : vec4<f32>; |
| |
| [[location(1)]] var<out> tint_symbol_6 : f32; |
| |
| fn tint_symbol_7(tint_symbol_4 : VertexOutput) -> void { |
| tint_symbol_5 = tint_symbol_4.pos; |
| tint_symbol_6 = tint_symbol_4.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| if (false) { |
| tint_symbol_7(VertexOutput()); |
| return; |
| } |
| var pos : vec4<f32> = vec4<f32>(1.0, 2.0, 3.0, 0.0); |
| tint_symbol_7(VertexOutput(pos, 2.0)); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_ReturnStruct_Nested) { |
| auto* src = R"( |
| struct Builtins { |
| [[builtin(position)]] pos : vec4<f32>; |
| }; |
| |
| struct Locations { |
| [[location(2)]] l2 : f32; |
| [[location(3)]] l3 : f32; |
| }; |
| |
| struct Other { |
| l : Locations; |
| }; |
| |
| struct VertexOutput { |
| b : Builtins; |
| o : Other; |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(vertex)]] |
| fn vert_main() -> VertexOutput { |
| if (false) { |
| return VertexOutput(); |
| } |
| var output : VertexOutput = VertexOutput(); |
| output.b.pos = vec4<f32>(1.0, 2.0, 3.0, 0.0); |
| output.o.l.l2 = 4.0; |
| output.o.l.l3 = 5.0; |
| output.value = 6.0; |
| return output; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Builtins { |
| pos : vec4<f32>; |
| }; |
| |
| struct Locations { |
| l2 : f32; |
| l3 : f32; |
| }; |
| |
| struct Other { |
| l : Locations; |
| }; |
| |
| struct VertexOutput { |
| b : Builtins; |
| o : Other; |
| value : f32; |
| }; |
| |
| [[builtin(position)]] var<out> tint_symbol_13 : vec4<f32>; |
| |
| [[location(2)]] var<out> tint_symbol_14 : f32; |
| |
| [[location(3)]] var<out> tint_symbol_15 : f32; |
| |
| [[location(1)]] var<out> tint_symbol_16 : f32; |
| |
| fn tint_symbol_17(tint_symbol_12 : VertexOutput) -> void { |
| tint_symbol_13 = tint_symbol_12.b.pos; |
| tint_symbol_14 = tint_symbol_12.o.l.l2; |
| tint_symbol_15 = tint_symbol_12.o.l.l3; |
| tint_symbol_16 = tint_symbol_12.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| if (false) { |
| tint_symbol_17(VertexOutput()); |
| return; |
| } |
| var output : VertexOutput = VertexOutput(); |
| output.b.pos = vec4<f32>(1.0, 2.0, 3.0, 0.0); |
| output.o.l.l2 = 4.0; |
| output.o.l.l3 = 5.0; |
| output.value = 6.0; |
| tint_symbol_17(output); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_SharedStruct_SameShader) { |
| auto* src = R"( |
| struct Interface { |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(vertex)]] |
| fn vert_main(inputs : Interface) -> Interface { |
| return inputs; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Interface { |
| value : f32; |
| }; |
| |
| [[location(1)]] var<in> tint_symbol_3 : f32; |
| |
| [[location(1)]] var<out> tint_symbol_6 : f32; |
| |
| fn tint_symbol_7(tint_symbol_5 : Interface) -> void { |
| tint_symbol_6 = tint_symbol_5.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| const tint_symbol_4 : Interface = Interface(tint_symbol_3); |
| tint_symbol_7(tint_symbol_4); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_SharedStruct_DifferentShaders) { |
| auto* src = R"( |
| struct Interface { |
| [[location(1)]] value : f32; |
| }; |
| |
| [[stage(vertex)]] |
| fn vert_main() -> Interface { |
| return Interface(42.0); |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : Interface) -> void { |
| var x : f32 = inputs.value; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Interface { |
| value : f32; |
| }; |
| |
| [[location(1)]] var<out> tint_symbol_4 : f32; |
| |
| fn tint_symbol_5(tint_symbol_3 : Interface) -> void { |
| tint_symbol_4 = tint_symbol_3.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| tint_symbol_5(Interface(42.0)); |
| return; |
| } |
| |
| [[location(1)]] var<in> tint_symbol_7 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| const tint_symbol_8 : Interface = Interface(tint_symbol_7); |
| var x : f32 = tint_symbol_8.value; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_SharedSubStruct) { |
| auto* src = R"( |
| struct Interface { |
| [[location(1)]] value : f32; |
| }; |
| |
| struct VertexOutput { |
| [[builtin(position)]] pos : vec4<f32>; |
| interface : Interface; |
| }; |
| |
| struct FragmentInput { |
| [[builtin(sample_index)]] index : u32; |
| interface : Interface; |
| }; |
| |
| [[stage(vertex)]] |
| fn vert_main() -> VertexOutput { |
| return VertexOutput(vec4<f32>(), Interface(42.0)); |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : FragmentInput) -> void { |
| var x : f32 = inputs.interface.value; |
| } |
| )"; |
| |
| auto* expect = R"( |
| struct Interface { |
| value : f32; |
| }; |
| |
| struct VertexOutput { |
| pos : vec4<f32>; |
| interface : Interface; |
| }; |
| |
| struct FragmentInput { |
| index : u32; |
| interface : Interface; |
| }; |
| |
| [[builtin(position)]] var<out> tint_symbol_9 : vec4<f32>; |
| |
| [[location(1)]] var<out> tint_symbol_10 : f32; |
| |
| fn tint_symbol_11(tint_symbol_8 : VertexOutput) -> void { |
| tint_symbol_9 = tint_symbol_8.pos; |
| tint_symbol_10 = tint_symbol_8.interface.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| tint_symbol_11(VertexOutput(vec4<f32>(), Interface(42.0))); |
| return; |
| } |
| |
| [[builtin(sample_index)]] var<in> tint_symbol_13 : u32; |
| |
| [[location(1)]] var<in> tint_symbol_14 : f32; |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| const tint_symbol_15 : Interface = Interface(tint_symbol_14); |
| const tint_symbol_16 : FragmentInput = FragmentInput(tint_symbol_13, tint_symbol_15); |
| var x : f32 = tint_symbol_16.interface.value; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_NestedStruct_TypeAlias) { |
| auto* src = R"( |
| type myf32 = f32; |
| |
| struct Location { |
| [[location(2)]] l2 : myf32; |
| }; |
| |
| type MyLocation = Location; |
| |
| struct VertexIO { |
| l : MyLocation; |
| [[location(1)]] value : myf32; |
| }; |
| |
| type MyVertexInput = VertexIO; |
| |
| type MyVertexOutput = VertexIO; |
| |
| [[stage(vertex)]] |
| fn vert_main(inputs : MyVertexInput) -> MyVertexOutput { |
| return inputs; |
| } |
| )"; |
| |
| auto* expect = R"( |
| type myf32 = f32; |
| |
| struct Location { |
| l2 : myf32; |
| }; |
| |
| type MyLocation = Location; |
| |
| struct VertexIO { |
| l : MyLocation; |
| value : myf32; |
| }; |
| |
| type MyVertexInput = VertexIO; |
| |
| type MyVertexOutput = VertexIO; |
| |
| [[location(2)]] var<in> tint_symbol_8 : myf32; |
| |
| [[location(1)]] var<in> tint_symbol_10 : myf32; |
| |
| [[location(2)]] var<out> tint_symbol_14 : myf32; |
| |
| [[location(1)]] var<out> tint_symbol_15 : myf32; |
| |
| fn tint_symbol_17(tint_symbol_13 : MyVertexOutput) -> void { |
| tint_symbol_14 = tint_symbol_13.l.l2; |
| tint_symbol_15 = tint_symbol_13.value; |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() -> void { |
| const tint_symbol_9 : MyLocation = MyLocation(tint_symbol_8); |
| const tint_symbol_11 : MyVertexInput = MyVertexInput(tint_symbol_9, tint_symbol_10); |
| tint_symbol_17(tint_symbol_11); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleEntryPointIOTypes_StructLayoutDecorations) { |
| auto* src = R"( |
| [[block]] |
| struct FragmentInput { |
| [[size(16), location(1)]] value : f32; |
| [[builtin(frag_coord)]] [[align(32)]] coord : vec4<f32>; |
| }; |
| |
| struct FragmentOutput { |
| [[size(16), location(1)]] value : f32; |
| }; |
| |
| [[stage(fragment)]] |
| fn frag_main(inputs : FragmentInput) -> FragmentOutput { |
| return FragmentOutput(inputs.coord.x * inputs.value); |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[block]] |
| struct FragmentInput { |
| [[size(16)]] |
| value : f32; |
| [[align(32)]] |
| coord : vec4<f32>; |
| }; |
| |
| struct FragmentOutput { |
| [[size(16)]] |
| value : f32; |
| }; |
| |
| [[location(1)]] var<in> tint_symbol_5 : f32; |
| |
| [[builtin(frag_coord)]] var<in> tint_symbol_6 : vec4<f32>; |
| |
| [[location(1)]] var<out> tint_symbol_9 : f32; |
| |
| fn tint_symbol_10(tint_symbol_8 : FragmentOutput) -> void { |
| tint_symbol_9 = tint_symbol_8.value; |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main() -> void { |
| const tint_symbol_7 : FragmentInput = FragmentInput(tint_symbol_5, tint_symbol_6); |
| tint_symbol_10(FragmentOutput((tint_symbol_7.coord.x * tint_symbol_7.value))); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleSampleMaskBuiltins_Basic) { |
| auto* src = R"( |
| [[builtin(sample_index)]] var<in> sample_index : u32; |
| |
| [[builtin(sample_mask_in)]] var<in> mask_in : u32; |
| |
| [[builtin(sample_mask_out)]] var<out> mask_out : u32; |
| |
| [[stage(fragment)]] |
| fn main() -> void { |
| mask_out = mask_in; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(sample_index)]] var<in> sample_index : u32; |
| |
| [[builtin(sample_mask_in)]] var<in> mask_in : array<u32, 1>; |
| |
| [[builtin(sample_mask_out)]] var<out> mask_out : array<u32, 1>; |
| |
| [[stage(fragment)]] |
| fn main() -> void { |
| mask_out[0] = mask_in[0]; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleSampleMaskBuiltins_FunctionArg) { |
| auto* src = R"( |
| [[builtin(sample_mask_in)]] var<in> mask_in : u32; |
| |
| [[builtin(sample_mask_out)]] var<out> mask_out : u32; |
| |
| fn filter(mask: u32) -> u32 { |
| return (mask & 3u); |
| } |
| |
| fn set_mask(input : u32) -> void { |
| mask_out = input; |
| } |
| |
| [[stage(fragment)]] |
| fn main() -> void { |
| set_mask(filter(mask_in)); |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(sample_mask_in)]] var<in> mask_in : array<u32, 1>; |
| |
| [[builtin(sample_mask_out)]] var<out> mask_out : array<u32, 1>; |
| |
| fn filter(mask : u32) -> u32 { |
| return (mask & 3u); |
| } |
| |
| fn set_mask(input : u32) -> void { |
| mask_out[0] = input; |
| } |
| |
| [[stage(fragment)]] |
| fn main() -> void { |
| set_mask(filter(mask_in[0])); |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| // Test that different transforms within the sanitizer interact correctly. |
| TEST_F(SpirvTest, MultipleTransforms) { |
| auto* src = R"( |
| [[stage(fragment)]] |
| fn main([[builtin(sample_index)]] sample_index : u32, |
| [[builtin(sample_mask_in)]] mask_in : u32) |
| -> [[builtin(sample_mask_out)]] u32 { |
| return mask_in; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(sample_index)]] var<in> tint_symbol_1 : u32; |
| |
| [[builtin(sample_mask_in)]] var<in> tint_symbol_2 : array<u32, 1>; |
| |
| [[builtin(sample_mask_out)]] var<out> tint_symbol_4 : array<u32, 1>; |
| |
| fn tint_symbol_5(tint_symbol_3 : u32) -> void { |
| tint_symbol_4[0] = tint_symbol_3; |
| } |
| |
| [[stage(fragment)]] |
| fn main() -> void { |
| tint_symbol_5(tint_symbol_2[0]); |
| return; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| } // namespace |
| } // namespace transform |
| } // namespace tint |