| // 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, HandleSampleMaskBuiltins_Basic) { |
| auto* src = R"( |
| [[stage(fragment)]] |
| fn main([[builtin(sample_index)]] sample_index : u32, |
| [[builtin(sample_mask)]] mask_in : u32 |
| ) -> [[builtin(sample_mask)]] u32 { |
| return mask_in; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(sample_index), internal(disable_validation__ignore_storage_class)]] var<in> sample_index_1 : u32; |
| |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<in> mask_in_1 : array<u32, 1>; |
| |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<out> value : array<u32, 1>; |
| |
| fn main_inner(sample_index : u32, mask_in : u32) -> u32 { |
| return mask_in; |
| } |
| |
| [[stage(fragment)]] |
| fn main() { |
| let inner_result = main_inner(sample_index_1, mask_in_1[0]); |
| value[0] = inner_result; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, HandleSampleMaskBuiltins_FunctionArg) { |
| auto* src = R"( |
| fn filter(mask: u32) -> u32 { |
| return (mask & 3u); |
| } |
| |
| fn set_mask(input : u32) -> u32 { |
| return input; |
| } |
| |
| [[stage(fragment)]] |
| fn main([[builtin(sample_mask)]] mask_in : u32 |
| ) -> [[builtin(sample_mask)]] u32 { |
| return set_mask(filter(mask_in)); |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<in> mask_in_1 : array<u32, 1>; |
| |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<out> value : array<u32, 1>; |
| |
| fn filter(mask : u32) -> u32 { |
| return (mask & 3u); |
| } |
| |
| fn set_mask(input : u32) -> u32 { |
| return input; |
| } |
| |
| fn main_inner(mask_in : u32) -> u32 { |
| return set_mask(filter(mask_in)); |
| } |
| |
| [[stage(fragment)]] |
| fn main() { |
| let inner_result = main_inner(mask_in_1[0]); |
| value[0] = inner_result; |
| } |
| )"; |
| |
| auto got = Run<Spirv>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(SpirvTest, AddEmptyEntryPoint) { |
| auto* src = R"()"; |
| |
| auto* expect = R"( |
| [[stage(compute), workgroup_size(1)]] |
| fn unused_entry_point() { |
| } |
| )"; |
| |
| 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(vertex)]] |
| fn vert_main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(); |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main([[builtin(sample_index)]] sample_index : u32, |
| [[builtin(sample_mask)]] mask_in : u32) |
| -> [[builtin(sample_mask)]] u32 { |
| return mask_in; |
| } |
| )"; |
| |
| auto* expect = R"( |
| [[builtin(position), internal(disable_validation__ignore_storage_class)]] var<out> value : vec4<f32>; |
| |
| [[builtin(pointsize), internal(disable_validation__ignore_storage_class)]] var<out> vertex_point_size : f32; |
| |
| [[builtin(sample_index), internal(disable_validation__ignore_storage_class)]] var<in> sample_index_1 : u32; |
| |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<in> mask_in_1 : array<u32, 1>; |
| |
| [[builtin(sample_mask), internal(disable_validation__ignore_storage_class)]] var<out> value_1 : array<u32, 1>; |
| |
| fn vert_main_inner() -> vec4<f32> { |
| return vec4<f32>(); |
| } |
| |
| [[stage(vertex)]] |
| fn vert_main() { |
| let inner_result = vert_main_inner(); |
| value = inner_result; |
| vertex_point_size = 1.0; |
| } |
| |
| fn frag_main_inner(sample_index : u32, mask_in : u32) -> u32 { |
| return mask_in; |
| } |
| |
| [[stage(fragment)]] |
| fn frag_main() { |
| let inner_result_1 = frag_main_inner(sample_index_1, mask_in_1[0]); |
| value_1[0] = inner_result_1; |
| } |
| )"; |
| |
| DataMap data; |
| data.Add<Spirv::Config>(true); |
| auto got = Run<Spirv>(src, data); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| } // namespace |
| } // namespace transform |
| } // namespace tint |