108 lines
2.2 KiB
C++
108 lines
2.2 KiB
C++
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// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/transform/spirv.h"
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#include <memory>
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#include <utility>
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#include <vector>
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#include "src/transform/test_helper.h"
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namespace tint {
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namespace transform {
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namespace {
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using SpirvTest = TransformTest;
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TEST_F(SpirvTest, HandleSampleMaskBuiltins_Basic) {
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auto* src = R"(
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[[builtin(sample_index)]] var<in> sample_index : u32;
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[[builtin(sample_mask_in)]] var<in> mask_in : u32;
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[[builtin(sample_mask_out)]] var<out> mask_out : u32;
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[[stage(fragment)]]
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fn main() -> void {
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mask_out = mask_in;
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}
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)";
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auto* expect = R"(
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[[builtin(sample_index)]] var<in> sample_index : u32;
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[[builtin(sample_mask_in)]] var<in> mask_in : array<u32, 1>;
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[[builtin(sample_mask_out)]] var<out> mask_out : array<u32, 1>;
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[[stage(fragment)]]
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fn main() -> void {
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mask_out[0] = mask_in[0];
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}
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)";
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auto got = Transform<Spirv>(src);
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EXPECT_EQ(expect, got);
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}
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TEST_F(SpirvTest, HandleSampleMaskBuiltins_FunctionArg) {
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auto* src = R"(
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[[builtin(sample_mask_in)]] var<in> mask_in : u32;
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[[builtin(sample_mask_out)]] var<out> mask_out : u32;
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fn filter(mask: u32) -> u32 {
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return (mask & 3u);
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}
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fn set_mask(input : u32) -> void {
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mask_out = input;
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}
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[[stage(fragment)]]
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fn main() -> void {
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set_mask(filter(mask_in));
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}
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)";
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auto* expect = R"(
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[[builtin(sample_mask_in)]] var<in> mask_in : array<u32, 1>;
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[[builtin(sample_mask_out)]] var<out> mask_out : array<u32, 1>;
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fn filter(mask : u32) -> u32 {
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return (mask & 3u);
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}
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fn set_mask(input : u32) -> void {
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mask_out[0] = input;
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}
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[[stage(fragment)]]
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fn main() -> void {
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set_mask(filter(mask_in[0]));
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}
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)";
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auto got = Transform<Spirv>(src);
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EXPECT_EQ(expect, got);
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}
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} // namespace
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} // namespace transform
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} // namespace tint
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